diff --git a/dist/epub.js b/dist/epub.js
index 6d0285f..e289282 100644
--- a/dist/epub.js
+++ b/dist/epub.js
@@ -5253,11 +5253,12 @@ function EpubCFI(cfiFrom, base, options){
     this.fromNode(cfiFrom);
   } else if (type === 'EpubCFI') {
     return cfiFrom;
+  } else if (!cfiFrom) {
+    return this;
   } else {
     throw new TypeError('not a valid argument for EpubCFI');
   }
 
-  return this;
 };
 
 EpubCFI.prototype.checkType = function(cfi) {
@@ -5267,9 +5268,9 @@ EpubCFI.prototype.checkType = function(cfi) {
       cfi[cfi.length-1] === ")") {
     return 'string';
   // Is a range object
-  } else if (typeof cfi === 'object' && cfi.startContainer && cfi.startOffset){
+} else if (typeof cfi === 'object' && cfi instanceof window.Range){
     return 'range';
-  } else if (typeof cfi === 'object' && cfi.nodeType){ // || typeof cfi === 'function'
+  } else if (typeof cfi === 'object' && cfi instanceof window.Node ){ // || typeof cfi === 'function'
     return 'node';
   } else if (typeof cfi === 'object' && cfi instanceof EpubCFI){
     return 'EpubCFI';
@@ -5499,6 +5500,55 @@ EpubCFI.prototype.toString = function() {
   return cfiString;
 };
 
+EpubCFI.prototype.compare = function(cfiOne, cfiTwo) {
+  if(typeof cfiOne === 'string') {
+    cfiOne = new EpubCFI(cfiOne);
+  }
+  if(typeof cfiTwo === 'string') {
+    cfiTwo = new EpubCFI(cfiTwo);
+  }
+  // Compare Spine Positions
+  if(cfiOne.spinePos > cfiTwo.spinePos) {
+    return 1;
+  }
+  if(cfiOne.spinePos < cfiTwo.spinePos) {
+    return -1;
+  }
+
+
+  // Compare Each Step in the First item
+  for (var i = 0; i < cfiOne.path.steps.length; i++) {
+    if(!cfiTwo.path.steps[i]) {
+      return 1;
+    }
+    if(cfiOne.path.steps[i].index > cfiTwo.path.steps[i].index) {
+      return 1;
+    }
+    if(cfiOne.path.steps[i].index < cfiTwo.path.steps[i].index) {
+      return -1;
+    }
+    // Otherwise continue checking
+  }
+
+  // All steps in First present in Second
+  if(cfiOne.path.steps.length < cfiTwo.path.steps.length) {
+    return -1;
+  }
+
+  // Compare the charecter offset of the text node
+  if(cfiOne.path.terminal.offset > cfiTwo.path.terminal.offset) {
+    return 1;
+  }
+  if(cfiOne.path.terminal.offset < cfiTwo.path.terminal.offset) {
+    return -1;
+  }
+
+  // TODO: compare ranges
+
+  // CFI's are equal
+  return 0;
+};
+
 module.exports = EpubCFI;
 
 },{"./core":8,"urijs":5}],10:[function(require,module,exports){
diff --git a/dist/epub.js.map b/dist/epub.js.map
index c587993..1b19cc1 100644
--- a/dist/epub.js.map
+++ b/dist/epub.js.map
@@ -1 +1 @@
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\"viv\",\n\t\t\"webm\" : \"webm\",\n\t\t\"x-f4v\" : \"f4v\",\n\t\t\"x-m4v\" : \"m4v\",\n\t\t\"x-ms-vob\" : \"vob\",\n\t\t\"x-smv\" : \"smv\"\n\t}\n};\n\nvar mimeTypes = (function() {\n\tvar type, subtype, val, index, mimeTypes = {};\n\tfor (type in table) {\n\t\tif (table.hasOwnProperty(type)) {\n\t\t\tfor (subtype in table[type]) {\n\t\t\t\tif (table[type].hasOwnProperty(subtype)) {\n\t\t\t\t\tval = table[type][subtype];\n\t\t\t\t\tif (typeof val == \"string\") {\n\t\t\t\t\t\tmimeTypes[val] = type + \"/\" + subtype;\n\t\t\t\t\t} else {\n\t\t\t\t\t\tfor (index = 0; index < val.length; index++) {\n\t\t\t\t\t\t\tmimeTypes[val[index]] = type + \"/\" + subtype;\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\treturn mimeTypes;\n})();\n\nvar defaultValue = \"text/plain\";//\"application/octet-stream\";\n\nfunction lookup(filename) {\n\treturn filename && mimeTypes[filename.split(\".\").pop().toLowerCase()] || defaultValue;\n};\n\nmodule.exports = {\n\t'lookup': lookup\n}\n","","// shim for using process in browser\n\nvar process = module.exports = {};\nvar queue = [];\nvar draining = false;\nvar currentQueue;\nvar queueIndex = -1;\n\nfunction cleanUpNextTick() {\n    draining = false;\n    if (currentQueue.length) {\n        queue = currentQueue.concat(queue);\n    } else {\n        queueIndex = -1;\n    }\n    if (queue.length) {\n        drainQueue();\n    }\n}\n\nfunction drainQueue() {\n    if (draining) {\n        return;\n    }\n    var timeout = setTimeout(cleanUpNextTick);\n    draining = true;\n\n    var len = queue.length;\n    while(len) {\n        currentQueue = queue;\n        queue = [];\n        while (++queueIndex < len) {\n            if (currentQueue) {\n                currentQueue[queueIndex].run();\n            }\n        }\n        queueIndex = -1;\n        len = queue.length;\n    }\n    currentQueue = null;\n    draining = false;\n    clearTimeout(timeout);\n}\n\nprocess.nextTick = function (fun) {\n    var args = new Array(arguments.length - 1);\n    if (arguments.length > 1) {\n        for (var i = 1; i < arguments.length; i++) {\n            args[i - 1] = arguments[i];\n        }\n    }\n    queue.push(new Item(fun, args));\n    if (queue.length === 1 && !draining) {\n        setTimeout(drainQueue, 0);\n    }\n};\n\n// v8 likes predictible objects\nfunction Item(fun, array) {\n    this.fun = fun;\n    this.array = array;\n}\nItem.prototype.run = function () {\n    this.fun.apply(null, this.array);\n};\nprocess.title = 'browser';\nprocess.browser = true;\nprocess.env = {};\nprocess.argv = [];\nprocess.version = ''; // empty string to avoid regexp issues\nprocess.versions = {};\n\nfunction noop() {}\n\nprocess.on = noop;\nprocess.addListener = noop;\nprocess.once = noop;\nprocess.off = noop;\nprocess.removeListener = noop;\nprocess.removeAllListeners = noop;\nprocess.emit = noop;\n\nprocess.binding = function (name) {\n    throw new Error('process.binding is not supported');\n};\n\nprocess.cwd = function () { return '/' };\nprocess.chdir = function (dir) {\n    throw new Error('process.chdir is not supported');\n};\nprocess.umask = function() { return 0; };\n","/*!\n * @overview RSVP - a tiny implementation of Promises/A+.\n * @copyright Copyright (c) 2014 Yehuda Katz, Tom Dale, Stefan Penner and contributors\n * @license   Licensed under MIT license\n *            See https://raw.githubusercontent.com/tildeio/rsvp.js/master/LICENSE\n * @version   3.1.0\n */\n\n(function() {\n    \"use strict\";\n    function lib$rsvp$utils$$objectOrFunction(x) {\n      return typeof x === 'function' || (typeof x === 'object' && x !== null);\n    }\n\n    function lib$rsvp$utils$$isFunction(x) {\n      return typeof x === 'function';\n    }\n\n    function lib$rsvp$utils$$isMaybeThenable(x) {\n      return typeof x === 'object' && x !== null;\n    }\n\n    var lib$rsvp$utils$$_isArray;\n    if (!Array.isArray) {\n      lib$rsvp$utils$$_isArray = function (x) {\n        return Object.prototype.toString.call(x) === '[object Array]';\n      };\n    } else {\n      lib$rsvp$utils$$_isArray = Array.isArray;\n    }\n\n    var lib$rsvp$utils$$isArray = lib$rsvp$utils$$_isArray;\n\n    var lib$rsvp$utils$$now = Date.now || function() { return new Date().getTime(); };\n\n    function lib$rsvp$utils$$F() { }\n\n    var lib$rsvp$utils$$o_create = (Object.create || function (o) {\n      if (arguments.length > 1) {\n        throw new Error('Second argument not supported');\n      }\n      if (typeof o !== 'object') {\n        throw new TypeError('Argument must be an object');\n      }\n      lib$rsvp$utils$$F.prototype = o;\n      return new lib$rsvp$utils$$F();\n    });\n    function lib$rsvp$events$$indexOf(callbacks, callback) {\n      for (var i=0, l=callbacks.length; i<l; i++) {\n        if (callbacks[i] === callback) { return i; }\n      }\n\n      return -1;\n    }\n\n    function lib$rsvp$events$$callbacksFor(object) {\n      var callbacks = object._promiseCallbacks;\n\n      if (!callbacks) {\n        callbacks = object._promiseCallbacks = {};\n      }\n\n      return callbacks;\n    }\n\n    var lib$rsvp$events$$default = {\n\n      /**\n        `RSVP.EventTarget.mixin` extends an object with EventTarget methods. For\n        Example:\n\n        ```javascript\n        var object = {};\n\n        RSVP.EventTarget.mixin(object);\n\n        object.on('finished', function(event) {\n          // handle event\n        });\n\n        object.trigger('finished', { detail: value });\n        ```\n\n        `EventTarget.mixin` also works with prototypes:\n\n        ```javascript\n        var Person = function() {};\n        RSVP.EventTarget.mixin(Person.prototype);\n\n        var yehuda = new Person();\n        var tom = new Person();\n\n        yehuda.on('poke', function(event) {\n          console.log('Yehuda says OW');\n        });\n\n        tom.on('poke', function(event) {\n          console.log('Tom says OW');\n        });\n\n        yehuda.trigger('poke');\n        tom.trigger('poke');\n        ```\n\n        @method mixin\n        @for RSVP.EventTarget\n        @private\n        @param {Object} object object to extend with EventTarget methods\n      */\n      'mixin': function(object) {\n        object['on']      = this['on'];\n        object['off']     = this['off'];\n        object['trigger'] = this['trigger'];\n        object._promiseCallbacks = undefined;\n        return object;\n      },\n\n      /**\n        Registers a callback to be executed when `eventName` is triggered\n\n        ```javascript\n        object.on('event', function(eventInfo){\n          // handle the event\n        });\n\n        object.trigger('event');\n        ```\n\n        @method on\n        @for RSVP.EventTarget\n        @private\n        @param {String} eventName name of the event to listen for\n        @param {Function} callback function to be called when the event is triggered.\n      */\n      'on': function(eventName, callback) {\n        if (typeof callback !== 'function') {\n          throw new TypeError('Callback must be a function');\n        }\n\n        var allCallbacks = lib$rsvp$events$$callbacksFor(this), callbacks;\n\n        callbacks = allCallbacks[eventName];\n\n        if (!callbacks) {\n          callbacks = allCallbacks[eventName] = [];\n        }\n\n        if (lib$rsvp$events$$indexOf(callbacks, callback) === -1) {\n          callbacks.push(callback);\n        }\n      },\n\n      /**\n        You can use `off` to stop firing a particular callback for an event:\n\n        ```javascript\n        function doStuff() { // do stuff! }\n        object.on('stuff', doStuff);\n\n        object.trigger('stuff'); // doStuff will be called\n\n        // Unregister ONLY the doStuff callback\n        object.off('stuff', doStuff);\n        object.trigger('stuff'); // doStuff will NOT be called\n        ```\n\n        If you don't pass a `callback` argument to `off`, ALL callbacks for the\n        event will not be executed when the event fires. For example:\n\n        ```javascript\n        var callback1 = function(){};\n        var callback2 = function(){};\n\n        object.on('stuff', callback1);\n        object.on('stuff', callback2);\n\n        object.trigger('stuff'); // callback1 and callback2 will be executed.\n\n        object.off('stuff');\n        object.trigger('stuff'); // callback1 and callback2 will not be executed!\n        ```\n\n        @method off\n        @for RSVP.EventTarget\n        @private\n        @param {String} eventName event to stop listening to\n        @param {Function} callback optional argument. If given, only the function\n        given will be removed from the event's callback queue. If no `callback`\n        argument is given, all callbacks will be removed from the event's callback\n        queue.\n      */\n      'off': function(eventName, callback) {\n        var allCallbacks = lib$rsvp$events$$callbacksFor(this), callbacks, index;\n\n        if (!callback) {\n          allCallbacks[eventName] = [];\n          return;\n        }\n\n        callbacks = allCallbacks[eventName];\n\n        index = lib$rsvp$events$$indexOf(callbacks, callback);\n\n        if (index !== -1) { callbacks.splice(index, 1); }\n      },\n\n      /**\n        Use `trigger` to fire custom events. For example:\n\n        ```javascript\n        object.on('foo', function(){\n          console.log('foo event happened!');\n        });\n        object.trigger('foo');\n        // 'foo event happened!' logged to the console\n        ```\n\n        You can also pass a value as a second argument to `trigger` that will be\n        passed as an argument to all event listeners for the event:\n\n        ```javascript\n        object.on('foo', function(value){\n          console.log(value.name);\n        });\n\n        object.trigger('foo', { name: 'bar' });\n        // 'bar' logged to the console\n        ```\n\n        @method trigger\n        @for RSVP.EventTarget\n        @private\n        @param {String} eventName name of the event to be triggered\n        @param {*} options optional value to be passed to any event handlers for\n        the given `eventName`\n      */\n      'trigger': function(eventName, options, label) {\n        var allCallbacks = lib$rsvp$events$$callbacksFor(this), callbacks, callback;\n\n        if (callbacks = allCallbacks[eventName]) {\n          // Don't cache the callbacks.length since it may grow\n          for (var i=0; i<callbacks.length; i++) {\n            callback = callbacks[i];\n\n            callback(options, label);\n          }\n        }\n      }\n    };\n\n    var lib$rsvp$config$$config = {\n      instrument: false\n    };\n\n    lib$rsvp$events$$default['mixin'](lib$rsvp$config$$config);\n\n    function lib$rsvp$config$$configure(name, value) {\n      if (name === 'onerror') {\n        // handle for legacy users that expect the actual\n        // error to be passed to their function added via\n        // `RSVP.configure('onerror', someFunctionHere);`\n        lib$rsvp$config$$config['on']('error', value);\n        return;\n      }\n\n      if (arguments.length === 2) {\n        lib$rsvp$config$$config[name] = value;\n      } else {\n        return lib$rsvp$config$$config[name];\n      }\n    }\n\n    var lib$rsvp$instrument$$queue = [];\n\n    function lib$rsvp$instrument$$scheduleFlush() {\n      setTimeout(function() {\n        var entry;\n        for (var i = 0; i < lib$rsvp$instrument$$queue.length; i++) {\n          entry = lib$rsvp$instrument$$queue[i];\n\n          var payload = entry.payload;\n\n          payload.guid = payload.key + payload.id;\n          payload.childGuid = payload.key + payload.childId;\n          if (payload.error) {\n            payload.stack = payload.error.stack;\n          }\n\n          lib$rsvp$config$$config['trigger'](entry.name, entry.payload);\n        }\n        lib$rsvp$instrument$$queue.length = 0;\n      }, 50);\n    }\n\n    function lib$rsvp$instrument$$instrument(eventName, promise, child) {\n      if (1 === lib$rsvp$instrument$$queue.push({\n        name: eventName,\n        payload: {\n          key: promise._guidKey,\n          id:  promise._id,\n          eventName: eventName,\n          detail: promise._result,\n          childId: child && child._id,\n          label: promise._label,\n          timeStamp: lib$rsvp$utils$$now(),\n          error: lib$rsvp$config$$config[\"instrument-with-stack\"] ? new Error(promise._label) : null\n        }})) {\n          lib$rsvp$instrument$$scheduleFlush();\n        }\n      }\n    var lib$rsvp$instrument$$default = lib$rsvp$instrument$$instrument;\n\n    function  lib$rsvp$$internal$$withOwnPromise() {\n      return new TypeError('A promises callback cannot return that same promise.');\n    }\n\n    function lib$rsvp$$internal$$noop() {}\n\n    var lib$rsvp$$internal$$PENDING   = void 0;\n    var lib$rsvp$$internal$$FULFILLED = 1;\n    var lib$rsvp$$internal$$REJECTED  = 2;\n\n    var lib$rsvp$$internal$$GET_THEN_ERROR = new lib$rsvp$$internal$$ErrorObject();\n\n    function lib$rsvp$$internal$$getThen(promise) {\n      try {\n        return promise.then;\n      } catch(error) {\n        lib$rsvp$$internal$$GET_THEN_ERROR.error = error;\n        return lib$rsvp$$internal$$GET_THEN_ERROR;\n      }\n    }\n\n    function lib$rsvp$$internal$$tryThen(then, value, fulfillmentHandler, rejectionHandler) {\n      try {\n        then.call(value, fulfillmentHandler, rejectionHandler);\n      } catch(e) {\n        return e;\n      }\n    }\n\n    function lib$rsvp$$internal$$handleForeignThenable(promise, thenable, then) {\n      lib$rsvp$config$$config.async(function(promise) {\n        var sealed = false;\n        var error = lib$rsvp$$internal$$tryThen(then, thenable, function(value) {\n          if (sealed) { return; }\n          sealed = true;\n          if (thenable !== value) {\n            lib$rsvp$$internal$$resolve(promise, value);\n          } else {\n            lib$rsvp$$internal$$fulfill(promise, value);\n          }\n        }, function(reason) {\n          if (sealed) { return; }\n          sealed = true;\n\n          lib$rsvp$$internal$$reject(promise, reason);\n        }, 'Settle: ' + (promise._label || ' unknown promise'));\n\n        if (!sealed && error) {\n          sealed = true;\n          lib$rsvp$$internal$$reject(promise, error);\n        }\n      }, promise);\n    }\n\n    function lib$rsvp$$internal$$handleOwnThenable(promise, thenable) {\n      if (thenable._state === lib$rsvp$$internal$$FULFILLED) {\n        lib$rsvp$$internal$$fulfill(promise, thenable._result);\n      } else if (thenable._state === lib$rsvp$$internal$$REJECTED) {\n        thenable._onError = null;\n        lib$rsvp$$internal$$reject(promise, thenable._result);\n      } else {\n        lib$rsvp$$internal$$subscribe(thenable, undefined, function(value) {\n          if (thenable !== value) {\n            lib$rsvp$$internal$$resolve(promise, value);\n          } else {\n            lib$rsvp$$internal$$fulfill(promise, value);\n          }\n        }, function(reason) {\n          lib$rsvp$$internal$$reject(promise, reason);\n        });\n      }\n    }\n\n    function lib$rsvp$$internal$$handleMaybeThenable(promise, maybeThenable) {\n      if (maybeThenable.constructor === promise.constructor) {\n        lib$rsvp$$internal$$handleOwnThenable(promise, maybeThenable);\n      } else {\n        var then = lib$rsvp$$internal$$getThen(maybeThenable);\n\n        if (then === lib$rsvp$$internal$$GET_THEN_ERROR) {\n          lib$rsvp$$internal$$reject(promise, lib$rsvp$$internal$$GET_THEN_ERROR.error);\n        } else if (then === undefined) {\n          lib$rsvp$$internal$$fulfill(promise, maybeThenable);\n        } else if (lib$rsvp$utils$$isFunction(then)) {\n          lib$rsvp$$internal$$handleForeignThenable(promise, maybeThenable, then);\n        } else {\n          lib$rsvp$$internal$$fulfill(promise, maybeThenable);\n        }\n      }\n    }\n\n    function lib$rsvp$$internal$$resolve(promise, value) {\n      if (promise === value) {\n        lib$rsvp$$internal$$fulfill(promise, value);\n      } else if (lib$rsvp$utils$$objectOrFunction(value)) {\n        lib$rsvp$$internal$$handleMaybeThenable(promise, value);\n      } else {\n        lib$rsvp$$internal$$fulfill(promise, value);\n      }\n    }\n\n    function lib$rsvp$$internal$$publishRejection(promise) {\n      if (promise._onError) {\n        promise._onError(promise._result);\n      }\n\n      lib$rsvp$$internal$$publish(promise);\n    }\n\n    function lib$rsvp$$internal$$fulfill(promise, value) {\n      if (promise._state !== lib$rsvp$$internal$$PENDING) { return; }\n\n      promise._result = value;\n      promise._state = lib$rsvp$$internal$$FULFILLED;\n\n      if (promise._subscribers.length === 0) {\n        if (lib$rsvp$config$$config.instrument) {\n          lib$rsvp$instrument$$default('fulfilled', promise);\n        }\n      } else {\n        lib$rsvp$config$$config.async(lib$rsvp$$internal$$publish, promise);\n      }\n    }\n\n    function lib$rsvp$$internal$$reject(promise, reason) {\n      if (promise._state !== lib$rsvp$$internal$$PENDING) { return; }\n      promise._state = lib$rsvp$$internal$$REJECTED;\n      promise._result = reason;\n      lib$rsvp$config$$config.async(lib$rsvp$$internal$$publishRejection, promise);\n    }\n\n    function lib$rsvp$$internal$$subscribe(parent, child, onFulfillment, onRejection) {\n      var subscribers = parent._subscribers;\n      var length = subscribers.length;\n\n      parent._onError = null;\n\n      subscribers[length] = child;\n      subscribers[length + lib$rsvp$$internal$$FULFILLED] = onFulfillment;\n      subscribers[length + lib$rsvp$$internal$$REJECTED]  = onRejection;\n\n      if (length === 0 && parent._state) {\n        lib$rsvp$config$$config.async(lib$rsvp$$internal$$publish, parent);\n      }\n    }\n\n    function lib$rsvp$$internal$$publish(promise) {\n      var subscribers = promise._subscribers;\n      var settled = promise._state;\n\n      if (lib$rsvp$config$$config.instrument) {\n        lib$rsvp$instrument$$default(settled === lib$rsvp$$internal$$FULFILLED ? 'fulfilled' : 'rejected', promise);\n      }\n\n      if (subscribers.length === 0) { return; }\n\n      var child, callback, detail = promise._result;\n\n      for (var i = 0; i < subscribers.length; i += 3) {\n        child = subscribers[i];\n        callback = subscribers[i + settled];\n\n        if (child) {\n          lib$rsvp$$internal$$invokeCallback(settled, child, callback, detail);\n        } else {\n          callback(detail);\n        }\n      }\n\n      promise._subscribers.length = 0;\n    }\n\n    function lib$rsvp$$internal$$ErrorObject() {\n      this.error = null;\n    }\n\n    var lib$rsvp$$internal$$TRY_CATCH_ERROR = new lib$rsvp$$internal$$ErrorObject();\n\n    function lib$rsvp$$internal$$tryCatch(callback, detail) {\n      try {\n        return callback(detail);\n      } catch(e) {\n        lib$rsvp$$internal$$TRY_CATCH_ERROR.error = e;\n        return lib$rsvp$$internal$$TRY_CATCH_ERROR;\n      }\n    }\n\n    function lib$rsvp$$internal$$invokeCallback(settled, promise, callback, detail) {\n      var hasCallback = lib$rsvp$utils$$isFunction(callback),\n          value, error, succeeded, failed;\n\n      if (hasCallback) {\n        value = lib$rsvp$$internal$$tryCatch(callback, detail);\n\n        if (value === lib$rsvp$$internal$$TRY_CATCH_ERROR) {\n          failed = true;\n          error = value.error;\n          value = null;\n        } else {\n          succeeded = true;\n        }\n\n        if (promise === value) {\n          lib$rsvp$$internal$$reject(promise, lib$rsvp$$internal$$withOwnPromise());\n          return;\n        }\n\n      } else {\n        value = detail;\n        succeeded = true;\n      }\n\n      if (promise._state !== lib$rsvp$$internal$$PENDING) {\n        // noop\n      } else if (hasCallback && succeeded) {\n        lib$rsvp$$internal$$resolve(promise, value);\n      } else if (failed) {\n        lib$rsvp$$internal$$reject(promise, error);\n      } else if (settled === lib$rsvp$$internal$$FULFILLED) {\n        lib$rsvp$$internal$$fulfill(promise, value);\n      } else if (settled === lib$rsvp$$internal$$REJECTED) {\n        lib$rsvp$$internal$$reject(promise, value);\n      }\n    }\n\n    function lib$rsvp$$internal$$initializePromise(promise, resolver) {\n      var resolved = false;\n      try {\n        resolver(function resolvePromise(value){\n          if (resolved) { return; }\n          resolved = true;\n          lib$rsvp$$internal$$resolve(promise, value);\n        }, function rejectPromise(reason) {\n          if (resolved) { return; }\n          resolved = true;\n          lib$rsvp$$internal$$reject(promise, reason);\n        });\n      } catch(e) {\n        lib$rsvp$$internal$$reject(promise, e);\n      }\n    }\n\n    function lib$rsvp$enumerator$$makeSettledResult(state, position, value) {\n      if (state === lib$rsvp$$internal$$FULFILLED) {\n        return {\n          state: 'fulfilled',\n          value: value\n        };\n      } else {\n         return {\n          state: 'rejected',\n          reason: value\n        };\n      }\n    }\n\n    function lib$rsvp$enumerator$$Enumerator(Constructor, input, abortOnReject, label) {\n      var enumerator = this;\n\n      enumerator._instanceConstructor = Constructor;\n      enumerator.promise = new Constructor(lib$rsvp$$internal$$noop, label);\n      enumerator._abortOnReject = abortOnReject;\n\n      if (enumerator._validateInput(input)) {\n        enumerator._input     = input;\n        enumerator.length     = input.length;\n        enumerator._remaining = input.length;\n\n        enumerator._init();\n\n        if (enumerator.length === 0) {\n          lib$rsvp$$internal$$fulfill(enumerator.promise, enumerator._result);\n        } else {\n          enumerator.length = enumerator.length || 0;\n          enumerator._enumerate();\n          if (enumerator._remaining === 0) {\n            lib$rsvp$$internal$$fulfill(enumerator.promise, enumerator._result);\n          }\n        }\n      } else {\n        lib$rsvp$$internal$$reject(enumerator.promise, enumerator._validationError());\n      }\n    }\n\n    var lib$rsvp$enumerator$$default = lib$rsvp$enumerator$$Enumerator;\n\n    lib$rsvp$enumerator$$Enumerator.prototype._validateInput = function(input) {\n      return lib$rsvp$utils$$isArray(input);\n    };\n\n    lib$rsvp$enumerator$$Enumerator.prototype._validationError = function() {\n      return new Error('Array Methods must be provided an Array');\n    };\n\n    lib$rsvp$enumerator$$Enumerator.prototype._init = function() {\n      this._result = new Array(this.length);\n    };\n\n    lib$rsvp$enumerator$$Enumerator.prototype._enumerate = function() {\n      var enumerator = this;\n      var length     = enumerator.length;\n      var promise    = enumerator.promise;\n      var input      = enumerator._input;\n\n      for (var i = 0; promise._state === lib$rsvp$$internal$$PENDING && i < length; i++) {\n        enumerator._eachEntry(input[i], i);\n      }\n    };\n\n    lib$rsvp$enumerator$$Enumerator.prototype._eachEntry = function(entry, i) {\n      var enumerator = this;\n      var c = enumerator._instanceConstructor;\n      if (lib$rsvp$utils$$isMaybeThenable(entry)) {\n        if (entry.constructor === c && entry._state !== lib$rsvp$$internal$$PENDING) {\n          entry._onError = null;\n          enumerator._settledAt(entry._state, i, entry._result);\n        } else {\n          enumerator._willSettleAt(c.resolve(entry), i);\n        }\n      } else {\n        enumerator._remaining--;\n        enumerator._result[i] = enumerator._makeResult(lib$rsvp$$internal$$FULFILLED, i, entry);\n      }\n    };\n\n    lib$rsvp$enumerator$$Enumerator.prototype._settledAt = function(state, i, value) {\n      var enumerator = this;\n      var promise = enumerator.promise;\n\n      if (promise._state === lib$rsvp$$internal$$PENDING) {\n        enumerator._remaining--;\n\n        if (enumerator._abortOnReject && state === lib$rsvp$$internal$$REJECTED) {\n          lib$rsvp$$internal$$reject(promise, value);\n        } else {\n          enumerator._result[i] = enumerator._makeResult(state, i, value);\n        }\n      }\n\n      if (enumerator._remaining === 0) {\n        lib$rsvp$$internal$$fulfill(promise, enumerator._result);\n      }\n    };\n\n    lib$rsvp$enumerator$$Enumerator.prototype._makeResult = function(state, i, value) {\n      return value;\n    };\n\n    lib$rsvp$enumerator$$Enumerator.prototype._willSettleAt = function(promise, i) {\n      var enumerator = this;\n\n      lib$rsvp$$internal$$subscribe(promise, undefined, function(value) {\n        enumerator._settledAt(lib$rsvp$$internal$$FULFILLED, i, value);\n      }, function(reason) {\n        enumerator._settledAt(lib$rsvp$$internal$$REJECTED, i, reason);\n      });\n    };\n    function lib$rsvp$promise$all$$all(entries, label) {\n      return new lib$rsvp$enumerator$$default(this, entries, true /* abort on reject */, label).promise;\n    }\n    var lib$rsvp$promise$all$$default = lib$rsvp$promise$all$$all;\n    function lib$rsvp$promise$race$$race(entries, label) {\n      /*jshint validthis:true */\n      var Constructor = this;\n\n      var promise = new Constructor(lib$rsvp$$internal$$noop, label);\n\n      if (!lib$rsvp$utils$$isArray(entries)) {\n        lib$rsvp$$internal$$reject(promise, new TypeError('You must pass an array to race.'));\n        return promise;\n      }\n\n      var length = entries.length;\n\n      function onFulfillment(value) {\n        lib$rsvp$$internal$$resolve(promise, value);\n      }\n\n      function onRejection(reason) {\n        lib$rsvp$$internal$$reject(promise, reason);\n      }\n\n      for (var i = 0; promise._state === lib$rsvp$$internal$$PENDING && i < length; i++) {\n        lib$rsvp$$internal$$subscribe(Constructor.resolve(entries[i]), undefined, onFulfillment, onRejection);\n      }\n\n      return promise;\n    }\n    var lib$rsvp$promise$race$$default = lib$rsvp$promise$race$$race;\n    function lib$rsvp$promise$resolve$$resolve(object, label) {\n      /*jshint validthis:true */\n      var Constructor = this;\n\n      if (object && typeof object === 'object' && object.constructor === Constructor) {\n        return object;\n      }\n\n      var promise = new Constructor(lib$rsvp$$internal$$noop, label);\n      lib$rsvp$$internal$$resolve(promise, object);\n      return promise;\n    }\n    var lib$rsvp$promise$resolve$$default = lib$rsvp$promise$resolve$$resolve;\n    function lib$rsvp$promise$reject$$reject(reason, label) {\n      /*jshint validthis:true */\n      var Constructor = this;\n      var promise = new Constructor(lib$rsvp$$internal$$noop, label);\n      lib$rsvp$$internal$$reject(promise, reason);\n      return promise;\n    }\n    var lib$rsvp$promise$reject$$default = lib$rsvp$promise$reject$$reject;\n\n    var lib$rsvp$promise$$guidKey = 'rsvp_' + lib$rsvp$utils$$now() + '-';\n    var lib$rsvp$promise$$counter = 0;\n\n    function lib$rsvp$promise$$needsResolver() {\n      throw new TypeError('You must pass a resolver function as the first argument to the promise constructor');\n    }\n\n    function lib$rsvp$promise$$needsNew() {\n      throw new TypeError(\"Failed to construct 'Promise': Please use the 'new' operator, this object constructor cannot be called as a function.\");\n    }\n\n    function lib$rsvp$promise$$Promise(resolver, label) {\n      var promise = this;\n\n      promise._id = lib$rsvp$promise$$counter++;\n      promise._label = label;\n      promise._state = undefined;\n      promise._result = undefined;\n      promise._subscribers = [];\n\n      if (lib$rsvp$config$$config.instrument) {\n        lib$rsvp$instrument$$default('created', promise);\n      }\n\n      if (lib$rsvp$$internal$$noop !== resolver) {\n        if (!lib$rsvp$utils$$isFunction(resolver)) {\n          lib$rsvp$promise$$needsResolver();\n        }\n\n        if (!(promise instanceof lib$rsvp$promise$$Promise)) {\n          lib$rsvp$promise$$needsNew();\n        }\n\n        lib$rsvp$$internal$$initializePromise(promise, resolver);\n      }\n    }\n\n    var lib$rsvp$promise$$default = lib$rsvp$promise$$Promise;\n\n    // deprecated\n    lib$rsvp$promise$$Promise.cast = lib$rsvp$promise$resolve$$default;\n    lib$rsvp$promise$$Promise.all = lib$rsvp$promise$all$$default;\n    lib$rsvp$promise$$Promise.race = lib$rsvp$promise$race$$default;\n    lib$rsvp$promise$$Promise.resolve = lib$rsvp$promise$resolve$$default;\n    lib$rsvp$promise$$Promise.reject = lib$rsvp$promise$reject$$default;\n\n    lib$rsvp$promise$$Promise.prototype = {\n      constructor: lib$rsvp$promise$$Promise,\n\n      _guidKey: lib$rsvp$promise$$guidKey,\n\n      _onError: function (reason) {\n        var promise = this;\n        lib$rsvp$config$$config.after(function() {\n          if (promise._onError) {\n            lib$rsvp$config$$config['trigger']('error', reason, promise._label);\n          }\n        });\n      },\n\n    /**\n      The primary way of interacting with a promise is through its `then` method,\n      which registers callbacks to receive either a promise's eventual value or the\n      reason why the promise cannot be fulfilled.\n\n      ```js\n      findUser().then(function(user){\n        // user is available\n      }, function(reason){\n        // user is unavailable, and you are given the reason why\n      });\n      ```\n\n      Chaining\n      --------\n\n      The return value of `then` is itself a promise.  This second, 'downstream'\n      promise is resolved with the return value of the first promise's fulfillment\n      or rejection handler, or rejected if the handler throws an exception.\n\n      ```js\n      findUser().then(function (user) {\n        return user.name;\n      }, function (reason) {\n        return 'default name';\n      }).then(function (userName) {\n        // If `findUser` fulfilled, `userName` will be the user's name, otherwise it\n        // will be `'default name'`\n      });\n\n      findUser().then(function (user) {\n        throw new Error('Found user, but still unhappy');\n      }, function (reason) {\n        throw new Error('`findUser` rejected and we're unhappy');\n      }).then(function (value) {\n        // never reached\n      }, function (reason) {\n        // if `findUser` fulfilled, `reason` will be 'Found user, but still unhappy'.\n        // If `findUser` rejected, `reason` will be '`findUser` rejected and we're unhappy'.\n      });\n      ```\n      If the downstream promise does not specify a rejection handler, rejection reasons will be propagated further downstream.\n\n      ```js\n      findUser().then(function (user) {\n        throw new PedagogicalException('Upstream error');\n      }).then(function (value) {\n        // never reached\n      }).then(function (value) {\n        // never reached\n      }, function (reason) {\n        // The `PedgagocialException` is propagated all the way down to here\n      });\n      ```\n\n      Assimilation\n      ------------\n\n      Sometimes the value you want to propagate to a downstream promise can only be\n      retrieved asynchronously. This can be achieved by returning a promise in the\n      fulfillment or rejection handler. The downstream promise will then be pending\n      until the returned promise is settled. This is called *assimilation*.\n\n      ```js\n      findUser().then(function (user) {\n        return findCommentsByAuthor(user);\n      }).then(function (comments) {\n        // The user's comments are now available\n      });\n      ```\n\n      If the assimliated promise rejects, then the downstream promise will also reject.\n\n      ```js\n      findUser().then(function (user) {\n        return findCommentsByAuthor(user);\n      }).then(function (comments) {\n        // If `findCommentsByAuthor` fulfills, we'll have the value here\n      }, function (reason) {\n        // If `findCommentsByAuthor` rejects, we'll have the reason here\n      });\n      ```\n\n      Simple Example\n      --------------\n\n      Synchronous Example\n\n      ```javascript\n      var result;\n\n      try {\n        result = findResult();\n        // success\n      } catch(reason) {\n        // failure\n      }\n      ```\n\n      Errback Example\n\n      ```js\n      findResult(function(result, err){\n        if (err) {\n          // failure\n        } else {\n          // success\n        }\n      });\n      ```\n\n      Promise Example;\n\n      ```javascript\n      findResult().then(function(result){\n        // success\n      }, function(reason){\n        // failure\n      });\n      ```\n\n      Advanced Example\n      --------------\n\n      Synchronous Example\n\n      ```javascript\n      var author, books;\n\n      try {\n        author = findAuthor();\n        books  = findBooksByAuthor(author);\n        // success\n      } catch(reason) {\n        // failure\n      }\n      ```\n\n      Errback Example\n\n      ```js\n\n      function foundBooks(books) {\n\n      }\n\n      function failure(reason) {\n\n      }\n\n      findAuthor(function(author, err){\n        if (err) {\n          failure(err);\n          // failure\n        } else {\n          try {\n            findBoooksByAuthor(author, function(books, err) {\n              if (err) {\n                failure(err);\n              } else {\n                try {\n                  foundBooks(books);\n                } catch(reason) {\n                  failure(reason);\n                }\n              }\n            });\n          } catch(error) {\n            failure(err);\n          }\n          // success\n        }\n      });\n      ```\n\n      Promise Example;\n\n      ```javascript\n      findAuthor().\n        then(findBooksByAuthor).\n        then(function(books){\n          // found books\n      }).catch(function(reason){\n        // something went wrong\n      });\n      ```\n\n      @method then\n      @param {Function} onFulfillment\n      @param {Function} onRejection\n      @param {String} label optional string for labeling the promise.\n      Useful for tooling.\n      @return {Promise}\n    */\n      then: function(onFulfillment, onRejection, label) {\n        var parent = this;\n        var state = parent._state;\n\n        if (state === lib$rsvp$$internal$$FULFILLED && !onFulfillment || state === lib$rsvp$$internal$$REJECTED && !onRejection) {\n          if (lib$rsvp$config$$config.instrument) {\n            lib$rsvp$instrument$$default('chained', parent, parent);\n          }\n          return parent;\n        }\n\n        parent._onError = null;\n\n        var child = new parent.constructor(lib$rsvp$$internal$$noop, label);\n        var result = parent._result;\n\n        if (lib$rsvp$config$$config.instrument) {\n          lib$rsvp$instrument$$default('chained', parent, child);\n        }\n\n        if (state) {\n          var callback = arguments[state - 1];\n          lib$rsvp$config$$config.async(function(){\n            lib$rsvp$$internal$$invokeCallback(state, child, callback, result);\n          });\n        } else {\n          lib$rsvp$$internal$$subscribe(parent, child, onFulfillment, onRejection);\n        }\n\n        return child;\n      },\n\n    /**\n      `catch` is simply sugar for `then(undefined, onRejection)` which makes it the same\n      as the catch block of a try/catch statement.\n\n      ```js\n      function findAuthor(){\n        throw new Error('couldn't find that author');\n      }\n\n      // synchronous\n      try {\n        findAuthor();\n      } catch(reason) {\n        // something went wrong\n      }\n\n      // async with promises\n      findAuthor().catch(function(reason){\n        // something went wrong\n      });\n      ```\n\n      @method catch\n      @param {Function} onRejection\n      @param {String} label optional string for labeling the promise.\n      Useful for tooling.\n      @return {Promise}\n    */\n      'catch': function(onRejection, label) {\n        return this.then(undefined, onRejection, label);\n      },\n\n    /**\n      `finally` will be invoked regardless of the promise's fate just as native\n      try/catch/finally behaves\n\n      Synchronous example:\n\n      ```js\n      findAuthor() {\n        if (Math.random() > 0.5) {\n          throw new Error();\n        }\n        return new Author();\n      }\n\n      try {\n        return findAuthor(); // succeed or fail\n      } catch(error) {\n        return findOtherAuther();\n      } finally {\n        // always runs\n        // doesn't affect the return value\n      }\n      ```\n\n      Asynchronous example:\n\n      ```js\n      findAuthor().catch(function(reason){\n        return findOtherAuther();\n      }).finally(function(){\n        // author was either found, or not\n      });\n      ```\n\n      @method finally\n      @param {Function} callback\n      @param {String} label optional string for labeling the promise.\n      Useful for tooling.\n      @return {Promise}\n    */\n      'finally': function(callback, label) {\n        var promise = this;\n        var constructor = promise.constructor;\n\n        return promise.then(function(value) {\n          return constructor.resolve(callback()).then(function(){\n            return value;\n          });\n        }, function(reason) {\n          return constructor.resolve(callback()).then(function(){\n            throw reason;\n          });\n        }, label);\n      }\n    };\n\n    function lib$rsvp$all$settled$$AllSettled(Constructor, entries, label) {\n      this._superConstructor(Constructor, entries, false /* don't abort on reject */, label);\n    }\n\n    lib$rsvp$all$settled$$AllSettled.prototype = lib$rsvp$utils$$o_create(lib$rsvp$enumerator$$default.prototype);\n    lib$rsvp$all$settled$$AllSettled.prototype._superConstructor = lib$rsvp$enumerator$$default;\n    lib$rsvp$all$settled$$AllSettled.prototype._makeResult = lib$rsvp$enumerator$$makeSettledResult;\n    lib$rsvp$all$settled$$AllSettled.prototype._validationError = function() {\n      return new Error('allSettled must be called with an array');\n    };\n\n    function lib$rsvp$all$settled$$allSettled(entries, label) {\n      return new lib$rsvp$all$settled$$AllSettled(lib$rsvp$promise$$default, entries, label).promise;\n    }\n    var lib$rsvp$all$settled$$default = lib$rsvp$all$settled$$allSettled;\n    function lib$rsvp$all$$all(array, label) {\n      return lib$rsvp$promise$$default.all(array, label);\n    }\n    var lib$rsvp$all$$default = lib$rsvp$all$$all;\n    var lib$rsvp$asap$$len = 0;\n    var lib$rsvp$asap$$toString = {}.toString;\n    var lib$rsvp$asap$$vertxNext;\n    function lib$rsvp$asap$$asap(callback, arg) {\n      lib$rsvp$asap$$queue[lib$rsvp$asap$$len] = callback;\n      lib$rsvp$asap$$queue[lib$rsvp$asap$$len + 1] = arg;\n      lib$rsvp$asap$$len += 2;\n      if (lib$rsvp$asap$$len === 2) {\n        // If len is 1, that means that we need to schedule an async flush.\n        // If additional callbacks are queued before the queue is flushed, they\n        // will be processed by this flush that we are scheduling.\n        lib$rsvp$asap$$scheduleFlush();\n      }\n    }\n\n    var lib$rsvp$asap$$default = lib$rsvp$asap$$asap;\n\n    var lib$rsvp$asap$$browserWindow = (typeof window !== 'undefined') ? window : undefined;\n    var lib$rsvp$asap$$browserGlobal = lib$rsvp$asap$$browserWindow || {};\n    var lib$rsvp$asap$$BrowserMutationObserver = lib$rsvp$asap$$browserGlobal.MutationObserver || lib$rsvp$asap$$browserGlobal.WebKitMutationObserver;\n    var lib$rsvp$asap$$isNode = typeof self === 'undefined' &&\n      typeof process !== 'undefined' && {}.toString.call(process) === '[object process]';\n\n    // test for web worker but not in IE10\n    var lib$rsvp$asap$$isWorker = typeof Uint8ClampedArray !== 'undefined' &&\n      typeof importScripts !== 'undefined' &&\n      typeof MessageChannel !== 'undefined';\n\n    // node\n    function lib$rsvp$asap$$useNextTick() {\n      var nextTick = process.nextTick;\n      // node version 0.10.x displays a deprecation warning when nextTick is used recursively\n      // setImmediate should be used instead instead\n      var version = process.versions.node.match(/^(?:(\\d+)\\.)?(?:(\\d+)\\.)?(\\*|\\d+)$/);\n      if (Array.isArray(version) && version[1] === '0' && version[2] === '10') {\n        nextTick = setImmediate;\n      }\n      return function() {\n        nextTick(lib$rsvp$asap$$flush);\n      };\n    }\n\n    // vertx\n    function lib$rsvp$asap$$useVertxTimer() {\n      return function() {\n        lib$rsvp$asap$$vertxNext(lib$rsvp$asap$$flush);\n      };\n    }\n\n    function lib$rsvp$asap$$useMutationObserver() {\n      var iterations = 0;\n      var observer = new lib$rsvp$asap$$BrowserMutationObserver(lib$rsvp$asap$$flush);\n      var node = document.createTextNode('');\n      observer.observe(node, { characterData: true });\n\n      return function() {\n        node.data = (iterations = ++iterations % 2);\n      };\n    }\n\n    // web worker\n    function lib$rsvp$asap$$useMessageChannel() {\n      var channel = new MessageChannel();\n      channel.port1.onmessage = lib$rsvp$asap$$flush;\n      return function () {\n        channel.port2.postMessage(0);\n      };\n    }\n\n    function lib$rsvp$asap$$useSetTimeout() {\n      return function() {\n        setTimeout(lib$rsvp$asap$$flush, 1);\n      };\n    }\n\n    var lib$rsvp$asap$$queue = new Array(1000);\n    function lib$rsvp$asap$$flush() {\n      for (var i = 0; i < lib$rsvp$asap$$len; i+=2) {\n        var callback = lib$rsvp$asap$$queue[i];\n        var arg = lib$rsvp$asap$$queue[i+1];\n\n        callback(arg);\n\n        lib$rsvp$asap$$queue[i] = undefined;\n        lib$rsvp$asap$$queue[i+1] = undefined;\n      }\n\n      lib$rsvp$asap$$len = 0;\n    }\n\n    function lib$rsvp$asap$$attemptVertex() {\n      try {\n        var r = require;\n        var vertx = r('vertx');\n        lib$rsvp$asap$$vertxNext = vertx.runOnLoop || vertx.runOnContext;\n        return lib$rsvp$asap$$useVertxTimer();\n      } catch(e) {\n        return lib$rsvp$asap$$useSetTimeout();\n      }\n    }\n\n    var lib$rsvp$asap$$scheduleFlush;\n    // Decide what async method to use to triggering processing of queued callbacks:\n    if (lib$rsvp$asap$$isNode) {\n      lib$rsvp$asap$$scheduleFlush = lib$rsvp$asap$$useNextTick();\n    } else if (lib$rsvp$asap$$BrowserMutationObserver) {\n      lib$rsvp$asap$$scheduleFlush = lib$rsvp$asap$$useMutationObserver();\n    } else if (lib$rsvp$asap$$isWorker) {\n      lib$rsvp$asap$$scheduleFlush = lib$rsvp$asap$$useMessageChannel();\n    } else if (lib$rsvp$asap$$browserWindow === undefined && typeof require === 'function') {\n      lib$rsvp$asap$$scheduleFlush = lib$rsvp$asap$$attemptVertex();\n    } else {\n      lib$rsvp$asap$$scheduleFlush = lib$rsvp$asap$$useSetTimeout();\n    }\n    function lib$rsvp$defer$$defer(label) {\n      var deferred = {};\n\n      deferred['promise'] = new lib$rsvp$promise$$default(function(resolve, reject) {\n        deferred['resolve'] = resolve;\n        deferred['reject'] = reject;\n      }, label);\n\n      return deferred;\n    }\n    var lib$rsvp$defer$$default = lib$rsvp$defer$$defer;\n    function lib$rsvp$filter$$filter(promises, filterFn, label) {\n      return lib$rsvp$promise$$default.all(promises, label).then(function(values) {\n        if (!lib$rsvp$utils$$isFunction(filterFn)) {\n          throw new TypeError(\"You must pass a function as filter's second argument.\");\n        }\n\n        var length = values.length;\n        var filtered = new Array(length);\n\n        for (var i = 0; i < length; i++) {\n          filtered[i] = filterFn(values[i]);\n        }\n\n        return lib$rsvp$promise$$default.all(filtered, label).then(function(filtered) {\n          var results = new Array(length);\n          var newLength = 0;\n\n          for (var i = 0; i < length; i++) {\n            if (filtered[i]) {\n              results[newLength] = values[i];\n              newLength++;\n            }\n          }\n\n          results.length = newLength;\n\n          return results;\n        });\n      });\n    }\n    var lib$rsvp$filter$$default = lib$rsvp$filter$$filter;\n\n    function lib$rsvp$promise$hash$$PromiseHash(Constructor, object, label) {\n      this._superConstructor(Constructor, object, true, label);\n    }\n\n    var lib$rsvp$promise$hash$$default = lib$rsvp$promise$hash$$PromiseHash;\n\n    lib$rsvp$promise$hash$$PromiseHash.prototype = lib$rsvp$utils$$o_create(lib$rsvp$enumerator$$default.prototype);\n    lib$rsvp$promise$hash$$PromiseHash.prototype._superConstructor = lib$rsvp$enumerator$$default;\n    lib$rsvp$promise$hash$$PromiseHash.prototype._init = function() {\n      this._result = {};\n    };\n\n    lib$rsvp$promise$hash$$PromiseHash.prototype._validateInput = function(input) {\n      return input && typeof input === 'object';\n    };\n\n    lib$rsvp$promise$hash$$PromiseHash.prototype._validationError = function() {\n      return new Error('Promise.hash must be called with an object');\n    };\n\n    lib$rsvp$promise$hash$$PromiseHash.prototype._enumerate = function() {\n      var enumerator = this;\n      var promise    = enumerator.promise;\n      var input      = enumerator._input;\n      var results    = [];\n\n      for (var key in input) {\n        if (promise._state === lib$rsvp$$internal$$PENDING && Object.prototype.hasOwnProperty.call(input, key)) {\n          results.push({\n            position: key,\n            entry: input[key]\n          });\n        }\n      }\n\n      var length = results.length;\n      enumerator._remaining = length;\n      var result;\n\n      for (var i = 0; promise._state === lib$rsvp$$internal$$PENDING && i < length; i++) {\n        result = results[i];\n        enumerator._eachEntry(result.entry, result.position);\n      }\n    };\n\n    function lib$rsvp$hash$settled$$HashSettled(Constructor, object, label) {\n      this._superConstructor(Constructor, object, false, label);\n    }\n\n    lib$rsvp$hash$settled$$HashSettled.prototype = lib$rsvp$utils$$o_create(lib$rsvp$promise$hash$$default.prototype);\n    lib$rsvp$hash$settled$$HashSettled.prototype._superConstructor = lib$rsvp$enumerator$$default;\n    lib$rsvp$hash$settled$$HashSettled.prototype._makeResult = lib$rsvp$enumerator$$makeSettledResult;\n\n    lib$rsvp$hash$settled$$HashSettled.prototype._validationError = function() {\n      return new Error('hashSettled must be called with an object');\n    };\n\n    function lib$rsvp$hash$settled$$hashSettled(object, label) {\n      return new lib$rsvp$hash$settled$$HashSettled(lib$rsvp$promise$$default, object, label).promise;\n    }\n    var lib$rsvp$hash$settled$$default = lib$rsvp$hash$settled$$hashSettled;\n    function lib$rsvp$hash$$hash(object, label) {\n      return new lib$rsvp$promise$hash$$default(lib$rsvp$promise$$default, object, label).promise;\n    }\n    var lib$rsvp$hash$$default = lib$rsvp$hash$$hash;\n    function lib$rsvp$map$$map(promises, mapFn, label) {\n      return lib$rsvp$promise$$default.all(promises, label).then(function(values) {\n        if (!lib$rsvp$utils$$isFunction(mapFn)) {\n          throw new TypeError(\"You must pass a function as map's second argument.\");\n        }\n\n        var length = values.length;\n        var results = new Array(length);\n\n        for (var i = 0; i < length; i++) {\n          results[i] = mapFn(values[i]);\n        }\n\n        return lib$rsvp$promise$$default.all(results, label);\n      });\n    }\n    var lib$rsvp$map$$default = lib$rsvp$map$$map;\n\n    function lib$rsvp$node$$Result() {\n      this.value = undefined;\n    }\n\n    var lib$rsvp$node$$ERROR = new lib$rsvp$node$$Result();\n    var lib$rsvp$node$$GET_THEN_ERROR = new lib$rsvp$node$$Result();\n\n    function lib$rsvp$node$$getThen(obj) {\n      try {\n       return obj.then;\n      } catch(error) {\n        lib$rsvp$node$$ERROR.value= error;\n        return lib$rsvp$node$$ERROR;\n      }\n    }\n\n\n    function lib$rsvp$node$$tryApply(f, s, a) {\n      try {\n        f.apply(s, a);\n      } catch(error) {\n        lib$rsvp$node$$ERROR.value = error;\n        return lib$rsvp$node$$ERROR;\n      }\n    }\n\n    function lib$rsvp$node$$makeObject(_, argumentNames) {\n      var obj = {};\n      var name;\n      var i;\n      var length = _.length;\n      var args = new Array(length);\n\n      for (var x = 0; x < length; x++) {\n        args[x] = _[x];\n      }\n\n      for (i = 0; i < argumentNames.length; i++) {\n        name = argumentNames[i];\n        obj[name] = args[i + 1];\n      }\n\n      return obj;\n    }\n\n    function lib$rsvp$node$$arrayResult(_) {\n      var length = _.length;\n      var args = new Array(length - 1);\n\n      for (var i = 1; i < length; i++) {\n        args[i - 1] = _[i];\n      }\n\n      return args;\n    }\n\n    function lib$rsvp$node$$wrapThenable(then, promise) {\n      return {\n        then: function(onFulFillment, onRejection) {\n          return then.call(promise, onFulFillment, onRejection);\n        }\n      };\n    }\n\n    function lib$rsvp$node$$denodeify(nodeFunc, options) {\n      var fn = function() {\n        var self = this;\n        var l = arguments.length;\n        var args = new Array(l + 1);\n        var arg;\n        var promiseInput = false;\n\n        for (var i = 0; i < l; ++i) {\n          arg = arguments[i];\n\n          if (!promiseInput) {\n            // TODO: clean this up\n            promiseInput = lib$rsvp$node$$needsPromiseInput(arg);\n            if (promiseInput === lib$rsvp$node$$GET_THEN_ERROR) {\n              var p = new lib$rsvp$promise$$default(lib$rsvp$$internal$$noop);\n              lib$rsvp$$internal$$reject(p, lib$rsvp$node$$GET_THEN_ERROR.value);\n              return p;\n            } else if (promiseInput && promiseInput !== true) {\n              arg = lib$rsvp$node$$wrapThenable(promiseInput, arg);\n            }\n          }\n          args[i] = arg;\n        }\n\n        var promise = new lib$rsvp$promise$$default(lib$rsvp$$internal$$noop);\n\n        args[l] = function(err, val) {\n          if (err)\n            lib$rsvp$$internal$$reject(promise, err);\n          else if (options === undefined)\n            lib$rsvp$$internal$$resolve(promise, val);\n          else if (options === true)\n            lib$rsvp$$internal$$resolve(promise, lib$rsvp$node$$arrayResult(arguments));\n          else if (lib$rsvp$utils$$isArray(options))\n            lib$rsvp$$internal$$resolve(promise, lib$rsvp$node$$makeObject(arguments, options));\n          else\n            lib$rsvp$$internal$$resolve(promise, val);\n        };\n\n        if (promiseInput) {\n          return lib$rsvp$node$$handlePromiseInput(promise, args, nodeFunc, self);\n        } else {\n          return lib$rsvp$node$$handleValueInput(promise, args, nodeFunc, self);\n        }\n      };\n\n      fn.__proto__ = nodeFunc;\n\n      return fn;\n    }\n\n    var lib$rsvp$node$$default = lib$rsvp$node$$denodeify;\n\n    function lib$rsvp$node$$handleValueInput(promise, args, nodeFunc, self) {\n      var result = lib$rsvp$node$$tryApply(nodeFunc, self, args);\n      if (result === lib$rsvp$node$$ERROR) {\n        lib$rsvp$$internal$$reject(promise, result.value);\n      }\n      return promise;\n    }\n\n    function lib$rsvp$node$$handlePromiseInput(promise, args, nodeFunc, self){\n      return lib$rsvp$promise$$default.all(args).then(function(args){\n        var result = lib$rsvp$node$$tryApply(nodeFunc, self, args);\n        if (result === lib$rsvp$node$$ERROR) {\n          lib$rsvp$$internal$$reject(promise, result.value);\n        }\n        return promise;\n      });\n    }\n\n    function lib$rsvp$node$$needsPromiseInput(arg) {\n      if (arg && typeof arg === 'object') {\n        if (arg.constructor === lib$rsvp$promise$$default) {\n          return true;\n        } else {\n          return lib$rsvp$node$$getThen(arg);\n        }\n      } else {\n        return false;\n      }\n    }\n    var lib$rsvp$platform$$platform;\n\n    /* global self */\n    if (typeof self === 'object') {\n      lib$rsvp$platform$$platform = self;\n\n    /* global global */\n    } else if (typeof global === 'object') {\n      lib$rsvp$platform$$platform = global;\n    } else {\n      throw new Error('no global: `self` or `global` found');\n    }\n\n    var lib$rsvp$platform$$default = lib$rsvp$platform$$platform;\n    function lib$rsvp$race$$race(array, label) {\n      return lib$rsvp$promise$$default.race(array, label);\n    }\n    var lib$rsvp$race$$default = lib$rsvp$race$$race;\n    function lib$rsvp$reject$$reject(reason, label) {\n      return lib$rsvp$promise$$default.reject(reason, label);\n    }\n    var lib$rsvp$reject$$default = lib$rsvp$reject$$reject;\n    function lib$rsvp$resolve$$resolve(value, label) {\n      return lib$rsvp$promise$$default.resolve(value, label);\n    }\n    var lib$rsvp$resolve$$default = lib$rsvp$resolve$$resolve;\n    function lib$rsvp$rethrow$$rethrow(reason) {\n      setTimeout(function() {\n        throw reason;\n      });\n      throw reason;\n    }\n    var lib$rsvp$rethrow$$default = lib$rsvp$rethrow$$rethrow;\n\n    // defaults\n    lib$rsvp$config$$config.async = lib$rsvp$asap$$default;\n    lib$rsvp$config$$config.after = function(cb) {\n      setTimeout(cb, 0);\n    };\n    var lib$rsvp$$cast = lib$rsvp$resolve$$default;\n    function lib$rsvp$$async(callback, arg) {\n      lib$rsvp$config$$config.async(callback, arg);\n    }\n\n    function lib$rsvp$$on() {\n      lib$rsvp$config$$config['on'].apply(lib$rsvp$config$$config, arguments);\n    }\n\n    function lib$rsvp$$off() {\n      lib$rsvp$config$$config['off'].apply(lib$rsvp$config$$config, arguments);\n    }\n\n    // Set up instrumentation through `window.__PROMISE_INTRUMENTATION__`\n    if (typeof window !== 'undefined' && typeof window['__PROMISE_INSTRUMENTATION__'] === 'object') {\n      var lib$rsvp$$callbacks = window['__PROMISE_INSTRUMENTATION__'];\n      lib$rsvp$config$$configure('instrument', true);\n      for (var lib$rsvp$$eventName in lib$rsvp$$callbacks) {\n        if (lib$rsvp$$callbacks.hasOwnProperty(lib$rsvp$$eventName)) {\n          lib$rsvp$$on(lib$rsvp$$eventName, lib$rsvp$$callbacks[lib$rsvp$$eventName]);\n        }\n      }\n    }\n\n    var lib$rsvp$umd$$RSVP = {\n      'race': lib$rsvp$race$$default,\n      'Promise': lib$rsvp$promise$$default,\n      'allSettled': lib$rsvp$all$settled$$default,\n      'hash': lib$rsvp$hash$$default,\n      'hashSettled': lib$rsvp$hash$settled$$default,\n      'denodeify': lib$rsvp$node$$default,\n      'on': lib$rsvp$$on,\n      'off': lib$rsvp$$off,\n      'map': lib$rsvp$map$$default,\n      'filter': lib$rsvp$filter$$default,\n      'resolve': lib$rsvp$resolve$$default,\n      'reject': lib$rsvp$reject$$default,\n      'all': lib$rsvp$all$$default,\n      'rethrow': lib$rsvp$rethrow$$default,\n      'defer': lib$rsvp$defer$$default,\n      'EventTarget': lib$rsvp$events$$default,\n      'configure': lib$rsvp$config$$configure,\n      'async': lib$rsvp$$async\n    };\n\n    /* global define:true module:true window: true */\n    if (typeof define === 'function' && define['amd']) {\n      define(function() { return lib$rsvp$umd$$RSVP; });\n    } else if (typeof module !== 'undefined' && module['exports']) {\n      module['exports'] = lib$rsvp$umd$$RSVP;\n    } else if (typeof lib$rsvp$platform$$default !== 'undefined') {\n      lib$rsvp$platform$$default['RSVP'] = lib$rsvp$umd$$RSVP;\n    }\n}).call(this);\n\n","/*!\n * URI.js - Mutating URLs\n *\n * Version: 1.17.0\n *\n * Author: Rodney Rehm\n * Web: http://medialize.github.io/URI.js/\n *\n * Licensed under\n *   MIT License http://www.opensource.org/licenses/mit-license\n *   GPL v3 http://opensource.org/licenses/GPL-3.0\n *\n */\n(function (root, factory) {\n  'use strict';\n  // https://github.com/umdjs/umd/blob/master/returnExports.js\n  if (typeof exports === 'object') {\n    // Node\n    module.exports = factory(require('./punycode'), require('./IPv6'), require('./SecondLevelDomains'));\n  } else if (typeof define === 'function' && define.amd) {\n    // AMD. Register as an anonymous module.\n    define(['./punycode', './IPv6', './SecondLevelDomains'], factory);\n  } else {\n    // Browser globals (root is window)\n    root.URI = factory(root.punycode, root.IPv6, root.SecondLevelDomains, root);\n  }\n}(this, function (punycode, IPv6, SLD, root) {\n  'use strict';\n  /*global location, escape, unescape */\n  // FIXME: v2.0.0 renamce non-camelCase properties to uppercase\n  /*jshint camelcase: false */\n\n  // save current URI variable, if any\n  var _URI = root && root.URI;\n\n  function URI(url, base) {\n    var _urlSupplied = arguments.length >= 1;\n    var _baseSupplied = arguments.length >= 2;\n\n    // Allow instantiation without the 'new' keyword\n    if (!(this instanceof URI)) {\n      if (_urlSupplied) {\n        if (_baseSupplied) {\n          return new URI(url, base);\n        }\n\n        return new URI(url);\n      }\n\n      return new URI();\n    }\n\n    if (url === undefined) {\n      if (_urlSupplied) {\n        throw new TypeError('undefined is not a valid argument for URI');\n      }\n\n      if (typeof location !== 'undefined') {\n        url = location.href + '';\n      } else {\n        url = '';\n      }\n    }\n\n    this.href(url);\n\n    // resolve to base according to http://dvcs.w3.org/hg/url/raw-file/tip/Overview.html#constructor\n    if (base !== undefined) {\n      return this.absoluteTo(base);\n    }\n\n    return this;\n  }\n\n  URI.version = '1.17.0';\n\n  var p = URI.prototype;\n  var hasOwn = Object.prototype.hasOwnProperty;\n\n  function escapeRegEx(string) {\n    // https://github.com/medialize/URI.js/commit/85ac21783c11f8ccab06106dba9735a31a86924d#commitcomment-821963\n    return string.replace(/([.*+?^=!:${}()|[\\]\\/\\\\])/g, '\\\\$1');\n  }\n\n  function getType(value) {\n    // IE8 doesn't return [Object Undefined] but [Object Object] for undefined value\n    if (value === undefined) {\n      return 'Undefined';\n    }\n\n    return String(Object.prototype.toString.call(value)).slice(8, -1);\n  }\n\n  function isArray(obj) {\n    return getType(obj) === 'Array';\n  }\n\n  function filterArrayValues(data, value) {\n    var lookup = {};\n    var i, length;\n\n    if (getType(value) === 'RegExp') {\n      lookup = null;\n    } else if (isArray(value)) {\n      for (i = 0, length = value.length; i < length; i++) {\n        lookup[value[i]] = true;\n      }\n    } else {\n      lookup[value] = true;\n    }\n\n    for (i = 0, length = data.length; i < length; i++) {\n      /*jshint laxbreak: true */\n      var _match = lookup && lookup[data[i]] !== undefined\n        || !lookup && value.test(data[i]);\n      /*jshint laxbreak: false */\n      if (_match) {\n        data.splice(i, 1);\n        length--;\n        i--;\n      }\n    }\n\n    return data;\n  }\n\n  function arrayContains(list, value) {\n    var i, length;\n\n    // value may be string, number, array, regexp\n    if (isArray(value)) {\n      // Note: this can be optimized to O(n) (instead of current O(m * n))\n      for (i = 0, length = value.length; i < length; i++) {\n        if (!arrayContains(list, value[i])) {\n          return false;\n        }\n      }\n\n      return true;\n    }\n\n    var _type = getType(value);\n    for (i = 0, length = list.length; i < length; i++) {\n      if (_type === 'RegExp') {\n        if (typeof list[i] === 'string' && list[i].match(value)) {\n          return true;\n        }\n      } else if (list[i] === value) {\n        return true;\n      }\n    }\n\n    return false;\n  }\n\n  function arraysEqual(one, two) {\n    if (!isArray(one) || !isArray(two)) {\n      return false;\n    }\n\n    // arrays can't be equal if they have different amount of content\n    if (one.length !== two.length) {\n      return false;\n    }\n\n    one.sort();\n    two.sort();\n\n    for (var i = 0, l = one.length; i < l; i++) {\n      if (one[i] !== two[i]) {\n        return false;\n      }\n    }\n\n    return true;\n  }\n\n  function trimSlashes(text) {\n    var trim_expression = /^\\/+|\\/+$/g;\n    return text.replace(trim_expression, '');\n  }\n\n  URI._parts = function() {\n    return {\n      protocol: null,\n      username: null,\n      password: null,\n      hostname: null,\n      urn: null,\n      port: null,\n      path: null,\n      query: null,\n      fragment: null,\n      // state\n      duplicateQueryParameters: URI.duplicateQueryParameters,\n      escapeQuerySpace: URI.escapeQuerySpace\n    };\n  };\n  // state: allow duplicate query parameters (a=1&a=1)\n  URI.duplicateQueryParameters = false;\n  // state: replaces + with %20 (space in query strings)\n  URI.escapeQuerySpace = true;\n  // static properties\n  URI.protocol_expression = /^[a-z][a-z0-9.+-]*$/i;\n  URI.idn_expression = /[^a-z0-9\\.-]/i;\n  URI.punycode_expression = /(xn--)/i;\n  // well, 333.444.555.666 matches, but it sure ain't no IPv4 - do we care?\n  URI.ip4_expression = /^\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}$/;\n  // credits to Rich Brown\n  // source: http://forums.intermapper.com/viewtopic.php?p=1096#1096\n  // specification: http://www.ietf.org/rfc/rfc4291.txt\n  URI.ip6_expression = /^\\s*((([0-9A-Fa-f]{1,4}:){7}([0-9A-Fa-f]{1,4}|:))|(([0-9A-Fa-f]{1,4}:){6}(:[0-9A-Fa-f]{1,4}|((25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)(\\.(25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){5}(((:[0-9A-Fa-f]{1,4}){1,2})|:((25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)(\\.(25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){4}(((:[0-9A-Fa-f]{1,4}){1,3})|((:[0-9A-Fa-f]{1,4})?:((25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)(\\.(25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){3}(((:[0-9A-Fa-f]{1,4}){1,4})|((:[0-9A-Fa-f]{1,4}){0,2}:((25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)(\\.(25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){2}(((:[0-9A-Fa-f]{1,4}){1,5})|((:[0-9A-Fa-f]{1,4}){0,3}:((25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)(\\.(25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){1}(((:[0-9A-Fa-f]{1,4}){1,6})|((:[0-9A-Fa-f]{1,4}){0,4}:((25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)(\\.(25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)){3}))|:))|(:(((:[0-9A-Fa-f]{1,4}){1,7})|((:[0-9A-Fa-f]{1,4}){0,5}:((25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)(\\.(25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)){3}))|:)))(%.+)?\\s*$/;\n  // expression used is \"gruber revised\" (@gruber v2) determined to be the\n  // best solution in a regex-golf we did a couple of ages ago at\n  // * http://mathiasbynens.be/demo/url-regex\n  // * http://rodneyrehm.de/t/url-regex.html\n  URI.find_uri_expression = /\\b((?:[a-z][\\w-]+:(?:\\/{1,3}|[a-z0-9%])|www\\d{0,3}[.]|[a-z0-9.\\-]+[.][a-z]{2,4}\\/)(?:[^\\s()<>]+|\\(([^\\s()<>]+|(\\([^\\s()<>]+\\)))*\\))+(?:\\(([^\\s()<>]+|(\\([^\\s()<>]+\\)))*\\)|[^\\s`!()\\[\\]{};:'\".,<>?«»“”‘’]))/ig;\n  URI.findUri = {\n    // valid \"scheme://\" or \"www.\"\n    start: /\\b(?:([a-z][a-z0-9.+-]*:\\/\\/)|www\\.)/gi,\n    // everything up to the next whitespace\n    end: /[\\s\\r\\n]|$/,\n    // trim trailing punctuation captured by end RegExp\n    trim: /[`!()\\[\\]{};:'\".,<>?«»“”„‘’]+$/\n  };\n  // http://www.iana.org/assignments/uri-schemes.html\n  // http://en.wikipedia.org/wiki/List_of_TCP_and_UDP_port_numbers#Well-known_ports\n  URI.defaultPorts = {\n    http: '80',\n    https: '443',\n    ftp: '21',\n    gopher: '70',\n    ws: '80',\n    wss: '443'\n  };\n  // allowed hostname characters according to RFC 3986\n  // ALPHA DIGIT \"-\" \".\" \"_\" \"~\" \"!\" \"$\" \"&\" \"'\" \"(\" \")\" \"*\" \"+\" \",\" \";\" \"=\" %encoded\n  // I've never seen a (non-IDN) hostname other than: ALPHA DIGIT . -\n  URI.invalid_hostname_characters = /[^a-zA-Z0-9\\.-]/;\n  // map DOM Elements to their URI attribute\n  URI.domAttributes = {\n    'a': 'href',\n    'blockquote': 'cite',\n    'link': 'href',\n    'base': 'href',\n    'script': 'src',\n    'form': 'action',\n    'img': 'src',\n    'area': 'href',\n    'iframe': 'src',\n    'embed': 'src',\n    'source': 'src',\n    'track': 'src',\n    'input': 'src', // but only if type=\"image\"\n    'audio': 'src',\n    'video': 'src'\n  };\n  URI.getDomAttribute = function(node) {\n    if (!node || !node.nodeName) {\n      return undefined;\n    }\n\n    var nodeName = node.nodeName.toLowerCase();\n    // <input> should only expose src for type=\"image\"\n    if (nodeName === 'input' && node.type !== 'image') {\n      return undefined;\n    }\n\n    return URI.domAttributes[nodeName];\n  };\n\n  function escapeForDumbFirefox36(value) {\n    // https://github.com/medialize/URI.js/issues/91\n    return escape(value);\n  }\n\n  // encoding / decoding according to RFC3986\n  function strictEncodeURIComponent(string) {\n    // see https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Objects/encodeURIComponent\n    return encodeURIComponent(string)\n      .replace(/[!'()*]/g, escapeForDumbFirefox36)\n      .replace(/\\*/g, '%2A');\n  }\n  URI.encode = strictEncodeURIComponent;\n  URI.decode = decodeURIComponent;\n  URI.iso8859 = function() {\n    URI.encode = escape;\n    URI.decode = unescape;\n  };\n  URI.unicode = function() {\n    URI.encode = strictEncodeURIComponent;\n    URI.decode = decodeURIComponent;\n  };\n  URI.characters = {\n    pathname: {\n      encode: {\n        // RFC3986 2.1: For consistency, URI producers and normalizers should\n        // use uppercase hexadecimal digits for all percent-encodings.\n        expression: /%(24|26|2B|2C|3B|3D|3A|40)/ig,\n        map: {\n          // -._~!'()*\n          '%24': '$',\n          '%26': '&',\n          '%2B': '+',\n          '%2C': ',',\n          '%3B': ';',\n          '%3D': '=',\n          '%3A': ':',\n          '%40': '@'\n        }\n      },\n      decode: {\n        expression: /[\\/\\?#]/g,\n        map: {\n          '/': '%2F',\n          '?': '%3F',\n          '#': '%23'\n        }\n      }\n    },\n    reserved: {\n      encode: {\n        // RFC3986 2.1: For consistency, URI producers and normalizers should\n        // use uppercase hexadecimal digits for all percent-encodings.\n        expression: /%(21|23|24|26|27|28|29|2A|2B|2C|2F|3A|3B|3D|3F|40|5B|5D)/ig,\n        map: {\n          // gen-delims\n          '%3A': ':',\n          '%2F': '/',\n          '%3F': '?',\n          '%23': '#',\n          '%5B': '[',\n          '%5D': ']',\n          '%40': '@',\n          // sub-delims\n          '%21': '!',\n          '%24': '$',\n          '%26': '&',\n          '%27': '\\'',\n          '%28': '(',\n          '%29': ')',\n          '%2A': '*',\n          '%2B': '+',\n          '%2C': ',',\n          '%3B': ';',\n          '%3D': '='\n        }\n      }\n    },\n    urnpath: {\n      // The characters under `encode` are the characters called out by RFC 2141 as being acceptable\n      // for usage in a URN. RFC2141 also calls out \"-\", \".\", and \"_\" as acceptable characters, but\n      // these aren't encoded by encodeURIComponent, so we don't have to call them out here. Also\n      // note that the colon character is not featured in the encoding map; this is because URI.js\n      // gives the colons in URNs semantic meaning as the delimiters of path segements, and so it\n      // should not appear unencoded in a segment itself.\n      // See also the note above about RFC3986 and capitalalized hex digits.\n      encode: {\n        expression: /%(21|24|27|28|29|2A|2B|2C|3B|3D|40)/ig,\n        map: {\n          '%21': '!',\n          '%24': '$',\n          '%27': '\\'',\n          '%28': '(',\n          '%29': ')',\n          '%2A': '*',\n          '%2B': '+',\n          '%2C': ',',\n          '%3B': ';',\n          '%3D': '=',\n          '%40': '@'\n        }\n      },\n      // These characters are the characters called out by RFC2141 as \"reserved\" characters that\n      // should never appear in a URN, plus the colon character (see note above).\n      decode: {\n        expression: /[\\/\\?#:]/g,\n        map: {\n          '/': '%2F',\n          '?': '%3F',\n          '#': '%23',\n          ':': '%3A'\n        }\n      }\n    }\n  };\n  URI.encodeQuery = function(string, escapeQuerySpace) {\n    var escaped = URI.encode(string + '');\n    if (escapeQuerySpace === undefined) {\n      escapeQuerySpace = URI.escapeQuerySpace;\n    }\n\n    return escapeQuerySpace ? escaped.replace(/%20/g, '+') : escaped;\n  };\n  URI.decodeQuery = function(string, escapeQuerySpace) {\n    string += '';\n    if (escapeQuerySpace === undefined) {\n      escapeQuerySpace = URI.escapeQuerySpace;\n    }\n\n    try {\n      return URI.decode(escapeQuerySpace ? string.replace(/\\+/g, '%20') : string);\n    } catch(e) {\n      // we're not going to mess with weird encodings,\n      // give up and return the undecoded original string\n      // see https://github.com/medialize/URI.js/issues/87\n      // see https://github.com/medialize/URI.js/issues/92\n      return string;\n    }\n  };\n  // generate encode/decode path functions\n  var _parts = {'encode':'encode', 'decode':'decode'};\n  var _part;\n  var generateAccessor = function(_group, _part) {\n    return function(string) {\n      try {\n        return URI[_part](string + '').replace(URI.characters[_group][_part].expression, function(c) {\n          return URI.characters[_group][_part].map[c];\n        });\n      } catch (e) {\n        // we're not going to mess with weird encodings,\n        // give up and return the undecoded original string\n        // see https://github.com/medialize/URI.js/issues/87\n        // see https://github.com/medialize/URI.js/issues/92\n        return string;\n      }\n    };\n  };\n\n  for (_part in _parts) {\n    URI[_part + 'PathSegment'] = generateAccessor('pathname', _parts[_part]);\n    URI[_part + 'UrnPathSegment'] = generateAccessor('urnpath', _parts[_part]);\n  }\n\n  var generateSegmentedPathFunction = function(_sep, _codingFuncName, _innerCodingFuncName) {\n    return function(string) {\n      // Why pass in names of functions, rather than the function objects themselves? The\n      // definitions of some functions (but in particular, URI.decode) will occasionally change due\n      // to URI.js having ISO8859 and Unicode modes. Passing in the name and getting it will ensure\n      // that the functions we use here are \"fresh\".\n      var actualCodingFunc;\n      if (!_innerCodingFuncName) {\n        actualCodingFunc = URI[_codingFuncName];\n      } else {\n        actualCodingFunc = function(string) {\n          return URI[_codingFuncName](URI[_innerCodingFuncName](string));\n        };\n      }\n\n      var segments = (string + '').split(_sep);\n\n      for (var i = 0, length = segments.length; i < length; i++) {\n        segments[i] = actualCodingFunc(segments[i]);\n      }\n\n      return segments.join(_sep);\n    };\n  };\n\n  // This takes place outside the above loop because we don't want, e.g., encodeUrnPath functions.\n  URI.decodePath = generateSegmentedPathFunction('/', 'decodePathSegment');\n  URI.decodeUrnPath = generateSegmentedPathFunction(':', 'decodeUrnPathSegment');\n  URI.recodePath = generateSegmentedPathFunction('/', 'encodePathSegment', 'decode');\n  URI.recodeUrnPath = generateSegmentedPathFunction(':', 'encodeUrnPathSegment', 'decode');\n\n  URI.encodeReserved = generateAccessor('reserved', 'encode');\n\n  URI.parse = function(string, parts) {\n    var pos;\n    if (!parts) {\n      parts = {};\n    }\n    // [protocol\"://\"[username[\":\"password]\"@\"]hostname[\":\"port]\"/\"?][path][\"?\"querystring][\"#\"fragment]\n\n    // extract fragment\n    pos = string.indexOf('#');\n    if (pos > -1) {\n      // escaping?\n      parts.fragment = string.substring(pos + 1) || null;\n      string = string.substring(0, pos);\n    }\n\n    // extract query\n    pos = string.indexOf('?');\n    if (pos > -1) {\n      // escaping?\n      parts.query = string.substring(pos + 1) || null;\n      string = string.substring(0, pos);\n    }\n\n    // extract protocol\n    if (string.substring(0, 2) === '//') {\n      // relative-scheme\n      parts.protocol = null;\n      string = string.substring(2);\n      // extract \"user:pass@host:port\"\n      string = URI.parseAuthority(string, parts);\n    } else {\n      pos = string.indexOf(':');\n      if (pos > -1) {\n        parts.protocol = string.substring(0, pos) || null;\n        if (parts.protocol && !parts.protocol.match(URI.protocol_expression)) {\n          // : may be within the path\n          parts.protocol = undefined;\n        } else if (string.substring(pos + 1, pos + 3) === '//') {\n          string = string.substring(pos + 3);\n\n          // extract \"user:pass@host:port\"\n          string = URI.parseAuthority(string, parts);\n        } else {\n          string = string.substring(pos + 1);\n          parts.urn = true;\n        }\n      }\n    }\n\n    // what's left must be the path\n    parts.path = string;\n\n    // and we're done\n    return parts;\n  };\n  URI.parseHost = function(string, parts) {\n    // Copy chrome, IE, opera backslash-handling behavior.\n    // Back slashes before the query string get converted to forward slashes\n    // See: https://github.com/joyent/node/blob/386fd24f49b0e9d1a8a076592a404168faeecc34/lib/url.js#L115-L124\n    // See: https://code.google.com/p/chromium/issues/detail?id=25916\n    // https://github.com/medialize/URI.js/pull/233\n    string = string.replace(/\\\\/g, '/');\n\n    // extract host:port\n    var pos = string.indexOf('/');\n    var bracketPos;\n    var t;\n\n    if (pos === -1) {\n      pos = string.length;\n    }\n\n    if (string.charAt(0) === '[') {\n      // IPv6 host - http://tools.ietf.org/html/draft-ietf-6man-text-addr-representation-04#section-6\n      // I claim most client software breaks on IPv6 anyways. To simplify things, URI only accepts\n      // IPv6+port in the format [2001:db8::1]:80 (for the time being)\n      bracketPos = string.indexOf(']');\n      parts.hostname = string.substring(1, bracketPos) || null;\n      parts.port = string.substring(bracketPos + 2, pos) || null;\n      if (parts.port === '/') {\n        parts.port = null;\n      }\n    } else {\n      var firstColon = string.indexOf(':');\n      var firstSlash = string.indexOf('/');\n      var nextColon = string.indexOf(':', firstColon + 1);\n      if (nextColon !== -1 && (firstSlash === -1 || nextColon < firstSlash)) {\n        // IPv6 host contains multiple colons - but no port\n        // this notation is actually not allowed by RFC 3986, but we're a liberal parser\n        parts.hostname = string.substring(0, pos) || null;\n        parts.port = null;\n      } else {\n        t = string.substring(0, pos).split(':');\n        parts.hostname = t[0] || null;\n        parts.port = t[1] || null;\n      }\n    }\n\n    if (parts.hostname && string.substring(pos).charAt(0) !== '/') {\n      pos++;\n      string = '/' + string;\n    }\n\n    return string.substring(pos) || '/';\n  };\n  URI.parseAuthority = function(string, parts) {\n    string = URI.parseUserinfo(string, parts);\n    return URI.parseHost(string, parts);\n  };\n  URI.parseUserinfo = function(string, parts) {\n    // extract username:password\n    var firstSlash = string.indexOf('/');\n    var pos = string.lastIndexOf('@', firstSlash > -1 ? firstSlash : string.length - 1);\n    var t;\n\n    // authority@ must come before /path\n    if (pos > -1 && (firstSlash === -1 || pos < firstSlash)) {\n      t = string.substring(0, pos).split(':');\n      parts.username = t[0] ? URI.decode(t[0]) : null;\n      t.shift();\n      parts.password = t[0] ? URI.decode(t.join(':')) : null;\n      string = string.substring(pos + 1);\n    } else {\n      parts.username = null;\n      parts.password = null;\n    }\n\n    return string;\n  };\n  URI.parseQuery = function(string, escapeQuerySpace) {\n    if (!string) {\n      return {};\n    }\n\n    // throw out the funky business - \"?\"[name\"=\"value\"&\"]+\n    string = string.replace(/&+/g, '&').replace(/^\\?*&*|&+$/g, '');\n\n    if (!string) {\n      return {};\n    }\n\n    var items = {};\n    var splits = string.split('&');\n    var length = splits.length;\n    var v, name, value;\n\n    for (var i = 0; i < length; i++) {\n      v = splits[i].split('=');\n      name = URI.decodeQuery(v.shift(), escapeQuerySpace);\n      // no \"=\" is null according to http://dvcs.w3.org/hg/url/raw-file/tip/Overview.html#collect-url-parameters\n      value = v.length ? URI.decodeQuery(v.join('='), escapeQuerySpace) : null;\n\n      if (hasOwn.call(items, name)) {\n        if (typeof items[name] === 'string' || items[name] === null) {\n          items[name] = [items[name]];\n        }\n\n        items[name].push(value);\n      } else {\n        items[name] = value;\n      }\n    }\n\n    return items;\n  };\n\n  URI.build = function(parts) {\n    var t = '';\n\n    if (parts.protocol) {\n      t += parts.protocol + ':';\n    }\n\n    if (!parts.urn && (t || parts.hostname)) {\n      t += '//';\n    }\n\n    t += (URI.buildAuthority(parts) || '');\n\n    if (typeof parts.path === 'string') {\n      if (parts.path.charAt(0) !== '/' && typeof parts.hostname === 'string') {\n        t += '/';\n      }\n\n      t += parts.path;\n    }\n\n    if (typeof parts.query === 'string' && parts.query) {\n      t += '?' + parts.query;\n    }\n\n    if (typeof parts.fragment === 'string' && parts.fragment) {\n      t += '#' + parts.fragment;\n    }\n    return t;\n  };\n  URI.buildHost = function(parts) {\n    var t = '';\n\n    if (!parts.hostname) {\n      return '';\n    } else if (URI.ip6_expression.test(parts.hostname)) {\n      t += '[' + parts.hostname + ']';\n    } else {\n      t += parts.hostname;\n    }\n\n    if (parts.port) {\n      t += ':' + parts.port;\n    }\n\n    return t;\n  };\n  URI.buildAuthority = function(parts) {\n    return URI.buildUserinfo(parts) + URI.buildHost(parts);\n  };\n  URI.buildUserinfo = function(parts) {\n    var t = '';\n\n    if (parts.username) {\n      t += URI.encode(parts.username);\n\n      if (parts.password) {\n        t += ':' + URI.encode(parts.password);\n      }\n\n      t += '@';\n    }\n\n    return t;\n  };\n  URI.buildQuery = function(data, duplicateQueryParameters, escapeQuerySpace) {\n    // according to http://tools.ietf.org/html/rfc3986 or http://labs.apache.org/webarch/uri/rfc/rfc3986.html\n    // being »-._~!$&'()*+,;=:@/?« %HEX and alnum are allowed\n    // the RFC explicitly states ?/foo being a valid use case, no mention of parameter syntax!\n    // URI.js treats the query string as being application/x-www-form-urlencoded\n    // see http://www.w3.org/TR/REC-html40/interact/forms.html#form-content-type\n\n    var t = '';\n    var unique, key, i, length;\n    for (key in data) {\n      if (hasOwn.call(data, key) && key) {\n        if (isArray(data[key])) {\n          unique = {};\n          for (i = 0, length = data[key].length; i < length; i++) {\n            if (data[key][i] !== undefined && unique[data[key][i] + ''] === undefined) {\n              t += '&' + URI.buildQueryParameter(key, data[key][i], escapeQuerySpace);\n              if (duplicateQueryParameters !== true) {\n                unique[data[key][i] + ''] = true;\n              }\n            }\n          }\n        } else if (data[key] !== undefined) {\n          t += '&' + URI.buildQueryParameter(key, data[key], escapeQuerySpace);\n        }\n      }\n    }\n\n    return t.substring(1);\n  };\n  URI.buildQueryParameter = function(name, value, escapeQuerySpace) {\n    // http://www.w3.org/TR/REC-html40/interact/forms.html#form-content-type -- application/x-www-form-urlencoded\n    // don't append \"=\" for null values, according to http://dvcs.w3.org/hg/url/raw-file/tip/Overview.html#url-parameter-serialization\n    return URI.encodeQuery(name, escapeQuerySpace) + (value !== null ? '=' + URI.encodeQuery(value, escapeQuerySpace) : '');\n  };\n\n  URI.addQuery = function(data, name, value) {\n    if (typeof name === 'object') {\n      for (var key in name) {\n        if (hasOwn.call(name, key)) {\n          URI.addQuery(data, key, name[key]);\n        }\n      }\n    } else if (typeof name === 'string') {\n      if (data[name] === undefined) {\n        data[name] = value;\n        return;\n      } else if (typeof data[name] === 'string') {\n        data[name] = [data[name]];\n      }\n\n      if (!isArray(value)) {\n        value = [value];\n      }\n\n      data[name] = (data[name] || []).concat(value);\n    } else {\n      throw new TypeError('URI.addQuery() accepts an object, string as the name parameter');\n    }\n  };\n  URI.removeQuery = function(data, name, value) {\n    var i, length, key;\n\n    if (isArray(name)) {\n      for (i = 0, length = name.length; i < length; i++) {\n        data[name[i]] = undefined;\n      }\n    } else if (getType(name) === 'RegExp') {\n      for (key in data) {\n        if (name.test(key)) {\n          data[key] = undefined;\n        }\n      }\n    } else if (typeof name === 'object') {\n      for (key in name) {\n        if (hasOwn.call(name, key)) {\n          URI.removeQuery(data, key, name[key]);\n        }\n      }\n    } else if (typeof name === 'string') {\n      if (value !== undefined) {\n        if (getType(value) === 'RegExp') {\n          if (!isArray(data[name]) && value.test(data[name])) {\n            data[name] = undefined;\n          } else {\n            data[name] = filterArrayValues(data[name], value);\n          }\n        } else if (data[name] === String(value) && (!isArray(value) || value.length === 1)) {\n          data[name] = undefined;\n        } else if (isArray(data[name])) {\n          data[name] = filterArrayValues(data[name], value);\n        }\n      } else {\n        data[name] = undefined;\n      }\n    } else {\n      throw new TypeError('URI.removeQuery() accepts an object, string, RegExp as the first parameter');\n    }\n  };\n  URI.hasQuery = function(data, name, value, withinArray) {\n    if (typeof name === 'object') {\n      for (var key in name) {\n        if (hasOwn.call(name, key)) {\n          if (!URI.hasQuery(data, key, name[key])) {\n            return false;\n          }\n        }\n      }\n\n      return true;\n    } else if (typeof name !== 'string') {\n      throw new TypeError('URI.hasQuery() accepts an object, string as the name parameter');\n    }\n\n    switch (getType(value)) {\n      case 'Undefined':\n        // true if exists (but may be empty)\n        return name in data; // data[name] !== undefined;\n\n      case 'Boolean':\n        // true if exists and non-empty\n        var _booly = Boolean(isArray(data[name]) ? data[name].length : data[name]);\n        return value === _booly;\n\n      case 'Function':\n        // allow complex comparison\n        return !!value(data[name], name, data);\n\n      case 'Array':\n        if (!isArray(data[name])) {\n          return false;\n        }\n\n        var op = withinArray ? arrayContains : arraysEqual;\n        return op(data[name], value);\n\n      case 'RegExp':\n        if (!isArray(data[name])) {\n          return Boolean(data[name] && data[name].match(value));\n        }\n\n        if (!withinArray) {\n          return false;\n        }\n\n        return arrayContains(data[name], value);\n\n      case 'Number':\n        value = String(value);\n        /* falls through */\n      case 'String':\n        if (!isArray(data[name])) {\n          return data[name] === value;\n        }\n\n        if (!withinArray) {\n          return false;\n        }\n\n        return arrayContains(data[name], value);\n\n      default:\n        throw new TypeError('URI.hasQuery() accepts undefined, boolean, string, number, RegExp, Function as the value parameter');\n    }\n  };\n\n\n  URI.commonPath = function(one, two) {\n    var length = Math.min(one.length, two.length);\n    var pos;\n\n    // find first non-matching character\n    for (pos = 0; pos < length; pos++) {\n      if (one.charAt(pos) !== two.charAt(pos)) {\n        pos--;\n        break;\n      }\n    }\n\n    if (pos < 1) {\n      return one.charAt(0) === two.charAt(0) && one.charAt(0) === '/' ? '/' : '';\n    }\n\n    // revert to last /\n    if (one.charAt(pos) !== '/' || two.charAt(pos) !== '/') {\n      pos = one.substring(0, pos).lastIndexOf('/');\n    }\n\n    return one.substring(0, pos + 1);\n  };\n\n  URI.withinString = function(string, callback, options) {\n    options || (options = {});\n    var _start = options.start || URI.findUri.start;\n    var _end = options.end || URI.findUri.end;\n    var _trim = options.trim || URI.findUri.trim;\n    var _attributeOpen = /[a-z0-9-]=[\"']?$/i;\n\n    _start.lastIndex = 0;\n    while (true) {\n      var match = _start.exec(string);\n      if (!match) {\n        break;\n      }\n\n      var start = match.index;\n      if (options.ignoreHtml) {\n        // attribut(e=[\"']?$)\n        var attributeOpen = string.slice(Math.max(start - 3, 0), start);\n        if (attributeOpen && _attributeOpen.test(attributeOpen)) {\n          continue;\n        }\n      }\n\n      var end = start + string.slice(start).search(_end);\n      var slice = string.slice(start, end).replace(_trim, '');\n      if (options.ignore && options.ignore.test(slice)) {\n        continue;\n      }\n\n      end = start + slice.length;\n      var result = callback(slice, start, end, string);\n      string = string.slice(0, start) + result + string.slice(end);\n      _start.lastIndex = start + result.length;\n    }\n\n    _start.lastIndex = 0;\n    return string;\n  };\n\n  URI.ensureValidHostname = function(v) {\n    // Theoretically URIs allow percent-encoding in Hostnames (according to RFC 3986)\n    // they are not part of DNS and therefore ignored by URI.js\n\n    if (v.match(URI.invalid_hostname_characters)) {\n      // test punycode\n      if (!punycode) {\n        throw new TypeError('Hostname \"' + v + '\" contains characters other than [A-Z0-9.-] and Punycode.js is not available');\n      }\n\n      if (punycode.toASCII(v).match(URI.invalid_hostname_characters)) {\n        throw new TypeError('Hostname \"' + v + '\" contains characters other than [A-Z0-9.-]');\n      }\n    }\n  };\n\n  // noConflict\n  URI.noConflict = function(removeAll) {\n    if (removeAll) {\n      var unconflicted = {\n        URI: this.noConflict()\n      };\n\n      if (root.URITemplate && typeof root.URITemplate.noConflict === 'function') {\n        unconflicted.URITemplate = root.URITemplate.noConflict();\n      }\n\n      if (root.IPv6 && typeof root.IPv6.noConflict === 'function') {\n        unconflicted.IPv6 = root.IPv6.noConflict();\n      }\n\n      if (root.SecondLevelDomains && typeof root.SecondLevelDomains.noConflict === 'function') {\n        unconflicted.SecondLevelDomains = root.SecondLevelDomains.noConflict();\n      }\n\n      return unconflicted;\n    } else if (root.URI === this) {\n      root.URI = _URI;\n    }\n\n    return this;\n  };\n\n  p.build = function(deferBuild) {\n    if (deferBuild === true) {\n      this._deferred_build = true;\n    } else if (deferBuild === undefined || this._deferred_build) {\n      this._string = URI.build(this._parts);\n      this._deferred_build = false;\n    }\n\n    return this;\n  };\n\n  p.clone = function() {\n    return new URI(this);\n  };\n\n  p.valueOf = p.toString = function() {\n    return this.build(false)._string;\n  };\n\n\n  function generateSimpleAccessor(_part){\n    return function(v, build) {\n      if (v === undefined) {\n        return this._parts[_part] || '';\n      } else {\n        this._parts[_part] = v || null;\n        this.build(!build);\n        return this;\n      }\n    };\n  }\n\n  function generatePrefixAccessor(_part, _key){\n    return function(v, build) {\n      if (v === undefined) {\n        return this._parts[_part] || '';\n      } else {\n        if (v !== null) {\n          v = v + '';\n          if (v.charAt(0) === _key) {\n            v = v.substring(1);\n          }\n        }\n\n        this._parts[_part] = v;\n        this.build(!build);\n        return this;\n      }\n    };\n  }\n\n  p.protocol = generateSimpleAccessor('protocol');\n  p.username = generateSimpleAccessor('username');\n  p.password = generateSimpleAccessor('password');\n  p.hostname = generateSimpleAccessor('hostname');\n  p.port = generateSimpleAccessor('port');\n  p.query = generatePrefixAccessor('query', '?');\n  p.fragment = generatePrefixAccessor('fragment', '#');\n\n  p.search = function(v, build) {\n    var t = this.query(v, build);\n    return typeof t === 'string' && t.length ? ('?' + t) : t;\n  };\n  p.hash = function(v, build) {\n    var t = this.fragment(v, build);\n    return typeof t === 'string' && t.length ? ('#' + t) : t;\n  };\n\n  p.pathname = function(v, build) {\n    if (v === undefined || v === true) {\n      var res = this._parts.path || (this._parts.hostname ? '/' : '');\n      return v ? (this._parts.urn ? URI.decodeUrnPath : URI.decodePath)(res) : res;\n    } else {\n      if (this._parts.urn) {\n        this._parts.path = v ? URI.recodeUrnPath(v) : '';\n      } else {\n        this._parts.path = v ? URI.recodePath(v) : '/';\n      }\n      this.build(!build);\n      return this;\n    }\n  };\n  p.path = p.pathname;\n  p.href = function(href, build) {\n    var key;\n\n    if (href === undefined) {\n      return this.toString();\n    }\n\n    this._string = '';\n    this._parts = URI._parts();\n\n    var _URI = href instanceof URI;\n    var _object = typeof href === 'object' && (href.hostname || href.path || href.pathname);\n    if (href.nodeName) {\n      var attribute = URI.getDomAttribute(href);\n      href = href[attribute] || '';\n      _object = false;\n    }\n\n    // window.location is reported to be an object, but it's not the sort\n    // of object we're looking for:\n    // * location.protocol ends with a colon\n    // * location.query != object.search\n    // * location.hash != object.fragment\n    // simply serializing the unknown object should do the trick\n    // (for location, not for everything...)\n    if (!_URI && _object && href.pathname !== undefined) {\n      href = href.toString();\n    }\n\n    if (typeof href === 'string' || href instanceof String) {\n      this._parts = URI.parse(String(href), this._parts);\n    } else if (_URI || _object) {\n      var src = _URI ? href._parts : href;\n      for (key in src) {\n        if (hasOwn.call(this._parts, key)) {\n          this._parts[key] = src[key];\n        }\n      }\n    } else {\n      throw new TypeError('invalid input');\n    }\n\n    this.build(!build);\n    return this;\n  };\n\n  // identification accessors\n  p.is = function(what) {\n    var ip = false;\n    var ip4 = false;\n    var ip6 = false;\n    var name = false;\n    var sld = false;\n    var idn = false;\n    var punycode = false;\n    var relative = !this._parts.urn;\n\n    if (this._parts.hostname) {\n      relative = false;\n      ip4 = URI.ip4_expression.test(this._parts.hostname);\n      ip6 = URI.ip6_expression.test(this._parts.hostname);\n      ip = ip4 || ip6;\n      name = !ip;\n      sld = name && SLD && SLD.has(this._parts.hostname);\n      idn = name && URI.idn_expression.test(this._parts.hostname);\n      punycode = name && URI.punycode_expression.test(this._parts.hostname);\n    }\n\n    switch (what.toLowerCase()) {\n      case 'relative':\n        return relative;\n\n      case 'absolute':\n        return !relative;\n\n      // hostname identification\n      case 'domain':\n      case 'name':\n        return name;\n\n      case 'sld':\n        return sld;\n\n      case 'ip':\n        return ip;\n\n      case 'ip4':\n      case 'ipv4':\n      case 'inet4':\n        return ip4;\n\n      case 'ip6':\n      case 'ipv6':\n      case 'inet6':\n        return ip6;\n\n      case 'idn':\n        return idn;\n\n      case 'url':\n        return !this._parts.urn;\n\n      case 'urn':\n        return !!this._parts.urn;\n\n      case 'punycode':\n        return punycode;\n    }\n\n    return null;\n  };\n\n  // component specific input validation\n  var _protocol = p.protocol;\n  var _port = p.port;\n  var _hostname = p.hostname;\n\n  p.protocol = function(v, build) {\n    if (v !== undefined) {\n      if (v) {\n        // accept trailing ://\n        v = v.replace(/:(\\/\\/)?$/, '');\n\n        if (!v.match(URI.protocol_expression)) {\n          throw new TypeError('Protocol \"' + v + '\" contains characters other than [A-Z0-9.+-] or doesn\\'t start with [A-Z]');\n        }\n      }\n    }\n    return _protocol.call(this, v, build);\n  };\n  p.scheme = p.protocol;\n  p.port = function(v, build) {\n    if (this._parts.urn) {\n      return v === undefined ? '' : this;\n    }\n\n    if (v !== undefined) {\n      if (v === 0) {\n        v = null;\n      }\n\n      if (v) {\n        v += '';\n        if (v.charAt(0) === ':') {\n          v = v.substring(1);\n        }\n\n        if (v.match(/[^0-9]/)) {\n          throw new TypeError('Port \"' + v + '\" contains characters other than [0-9]');\n        }\n      }\n    }\n    return _port.call(this, v, build);\n  };\n  p.hostname = function(v, build) {\n    if (this._parts.urn) {\n      return v === undefined ? '' : this;\n    }\n\n    if (v !== undefined) {\n      var x = {};\n      var res = URI.parseHost(v, x);\n      if (res !== '/') {\n        throw new TypeError('Hostname \"' + v + '\" contains characters other than [A-Z0-9.-]');\n      }\n\n      v = x.hostname;\n    }\n    return _hostname.call(this, v, build);\n  };\n\n  // compound accessors\n  p.origin = function(v, build) {\n    var parts;\n\n    if (this._parts.urn) {\n      return v === undefined ? '' : this;\n    }\n\n    if (v === undefined) {\n      var protocol = this.protocol();\n      var authority = this.authority();\n      if (!authority) return '';\n      return (protocol ? protocol + '://' : '') + this.authority();\n    } else {\n      var origin = URI(v);\n      this\n        .protocol(origin.protocol())\n        .authority(origin.authority())\n        .build(!build);\n      return this;\n    }\n  };\n  p.host = function(v, build) {\n    if (this._parts.urn) {\n      return v === undefined ? '' : this;\n    }\n\n    if (v === undefined) {\n      return this._parts.hostname ? URI.buildHost(this._parts) : '';\n    } else {\n      var res = URI.parseHost(v, this._parts);\n      if (res !== '/') {\n        throw new TypeError('Hostname \"' + v + '\" contains characters other than [A-Z0-9.-]');\n      }\n\n      this.build(!build);\n      return this;\n    }\n  };\n  p.authority = function(v, build) {\n    if (this._parts.urn) {\n      return v === undefined ? '' : this;\n    }\n\n    if (v === undefined) {\n      return this._parts.hostname ? URI.buildAuthority(this._parts) : '';\n    } else {\n      var res = URI.parseAuthority(v, this._parts);\n      if (res !== '/') {\n        throw new TypeError('Hostname \"' + v + '\" contains characters other than [A-Z0-9.-]');\n      }\n\n      this.build(!build);\n      return this;\n    }\n  };\n  p.userinfo = function(v, build) {\n    if (this._parts.urn) {\n      return v === undefined ? '' : this;\n    }\n\n    if (v === undefined) {\n      if (!this._parts.username) {\n        return '';\n      }\n\n      var t = URI.buildUserinfo(this._parts);\n      return t.substring(0, t.length -1);\n    } else {\n      if (v[v.length-1] !== '@') {\n        v += '@';\n      }\n\n      URI.parseUserinfo(v, this._parts);\n      this.build(!build);\n      return this;\n    }\n  };\n  p.resource = function(v, build) {\n    var parts;\n\n    if (v === undefined) {\n      return this.path() + this.search() + this.hash();\n    }\n\n    parts = URI.parse(v);\n    this._parts.path = parts.path;\n    this._parts.query = parts.query;\n    this._parts.fragment = parts.fragment;\n    this.build(!build);\n    return this;\n  };\n\n  // fraction accessors\n  p.subdomain = function(v, build) {\n    if (this._parts.urn) {\n      return v === undefined ? '' : this;\n    }\n\n    // convenience, return \"www\" from \"www.example.org\"\n    if (v === undefined) {\n      if (!this._parts.hostname || this.is('IP')) {\n        return '';\n      }\n\n      // grab domain and add another segment\n      var end = this._parts.hostname.length - this.domain().length - 1;\n      return this._parts.hostname.substring(0, end) || '';\n    } else {\n      var e = this._parts.hostname.length - this.domain().length;\n      var sub = this._parts.hostname.substring(0, e);\n      var replace = new RegExp('^' + escapeRegEx(sub));\n\n      if (v && v.charAt(v.length - 1) !== '.') {\n        v += '.';\n      }\n\n      if (v) {\n        URI.ensureValidHostname(v);\n      }\n\n      this._parts.hostname = this._parts.hostname.replace(replace, v);\n      this.build(!build);\n      return this;\n    }\n  };\n  p.domain = function(v, build) {\n    if (this._parts.urn) {\n      return v === undefined ? '' : this;\n    }\n\n    if (typeof v === 'boolean') {\n      build = v;\n      v = undefined;\n    }\n\n    // convenience, return \"example.org\" from \"www.example.org\"\n    if (v === undefined) {\n      if (!this._parts.hostname || this.is('IP')) {\n        return '';\n      }\n\n      // if hostname consists of 1 or 2 segments, it must be the domain\n      var t = this._parts.hostname.match(/\\./g);\n      if (t && t.length < 2) {\n        return this._parts.hostname;\n      }\n\n      // grab tld and add another segment\n      var end = this._parts.hostname.length - this.tld(build).length - 1;\n      end = this._parts.hostname.lastIndexOf('.', end -1) + 1;\n      return this._parts.hostname.substring(end) || '';\n    } else {\n      if (!v) {\n        throw new TypeError('cannot set domain empty');\n      }\n\n      URI.ensureValidHostname(v);\n\n      if (!this._parts.hostname || this.is('IP')) {\n        this._parts.hostname = v;\n      } else {\n        var replace = new RegExp(escapeRegEx(this.domain()) + '$');\n        this._parts.hostname = this._parts.hostname.replace(replace, v);\n      }\n\n      this.build(!build);\n      return this;\n    }\n  };\n  p.tld = function(v, build) {\n    if (this._parts.urn) {\n      return v === undefined ? '' : this;\n    }\n\n    if (typeof v === 'boolean') {\n      build = v;\n      v = undefined;\n    }\n\n    // return \"org\" from \"www.example.org\"\n    if (v === undefined) {\n      if (!this._parts.hostname || this.is('IP')) {\n        return '';\n      }\n\n      var pos = this._parts.hostname.lastIndexOf('.');\n      var tld = this._parts.hostname.substring(pos + 1);\n\n      if (build !== true && SLD && SLD.list[tld.toLowerCase()]) {\n        return SLD.get(this._parts.hostname) || tld;\n      }\n\n      return tld;\n    } else {\n      var replace;\n\n      if (!v) {\n        throw new TypeError('cannot set TLD empty');\n      } else if (v.match(/[^a-zA-Z0-9-]/)) {\n        if (SLD && SLD.is(v)) {\n          replace = new RegExp(escapeRegEx(this.tld()) + '$');\n          this._parts.hostname = this._parts.hostname.replace(replace, v);\n        } else {\n          throw new TypeError('TLD \"' + v + '\" contains characters other than [A-Z0-9]');\n        }\n      } else if (!this._parts.hostname || this.is('IP')) {\n        throw new ReferenceError('cannot set TLD on non-domain host');\n      } else {\n        replace = new RegExp(escapeRegEx(this.tld()) + '$');\n        this._parts.hostname = this._parts.hostname.replace(replace, v);\n      }\n\n      this.build(!build);\n      return this;\n    }\n  };\n  p.directory = function(v, build) {\n    if (this._parts.urn) {\n      return v === undefined ? '' : this;\n    }\n\n    if (v === undefined || v === true) {\n      if (!this._parts.path && !this._parts.hostname) {\n        return '';\n      }\n\n      if (this._parts.path === '/') {\n        return '/';\n      }\n\n      var end = this._parts.path.length - this.filename().length - 1;\n      var res = this._parts.path.substring(0, end) || (this._parts.hostname ? '/' : '');\n\n      return v ? URI.decodePath(res) : res;\n\n    } else {\n      var e = this._parts.path.length - this.filename().length;\n      var directory = this._parts.path.substring(0, e);\n      var replace = new RegExp('^' + escapeRegEx(directory));\n\n      // fully qualifier directories begin with a slash\n      if (!this.is('relative')) {\n        if (!v) {\n          v = '/';\n        }\n\n        if (v.charAt(0) !== '/') {\n          v = '/' + v;\n        }\n      }\n\n      // directories always end with a slash\n      if (v && v.charAt(v.length - 1) !== '/') {\n        v += '/';\n      }\n\n      v = URI.recodePath(v);\n      this._parts.path = this._parts.path.replace(replace, v);\n      this.build(!build);\n      return this;\n    }\n  };\n  p.filename = function(v, build) {\n    if (this._parts.urn) {\n      return v === undefined ? '' : this;\n    }\n\n    if (v === undefined || v === true) {\n      if (!this._parts.path || this._parts.path === '/') {\n        return '';\n      }\n\n      var pos = this._parts.path.lastIndexOf('/');\n      var res = this._parts.path.substring(pos+1);\n\n      return v ? URI.decodePathSegment(res) : res;\n    } else {\n      var mutatedDirectory = false;\n\n      if (v.charAt(0) === '/') {\n        v = v.substring(1);\n      }\n\n      if (v.match(/\\.?\\//)) {\n        mutatedDirectory = true;\n      }\n\n      var replace = new RegExp(escapeRegEx(this.filename()) + '$');\n      v = URI.recodePath(v);\n      this._parts.path = this._parts.path.replace(replace, v);\n\n      if (mutatedDirectory) {\n        this.normalizePath(build);\n      } else {\n        this.build(!build);\n      }\n\n      return this;\n    }\n  };\n  p.suffix = function(v, build) {\n    if (this._parts.urn) {\n      return v === undefined ? '' : this;\n    }\n\n    if (v === undefined || v === true) {\n      if (!this._parts.path || this._parts.path === '/') {\n        return '';\n      }\n\n      var filename = this.filename();\n      var pos = filename.lastIndexOf('.');\n      var s, res;\n\n      if (pos === -1) {\n        return '';\n      }\n\n      // suffix may only contain alnum characters (yup, I made this up.)\n      s = filename.substring(pos+1);\n      res = (/^[a-z0-9%]+$/i).test(s) ? s : '';\n      return v ? URI.decodePathSegment(res) : res;\n    } else {\n      if (v.charAt(0) === '.') {\n        v = v.substring(1);\n      }\n\n      var suffix = this.suffix();\n      var replace;\n\n      if (!suffix) {\n        if (!v) {\n          return this;\n        }\n\n        this._parts.path += '.' + URI.recodePath(v);\n      } else if (!v) {\n        replace = new RegExp(escapeRegEx('.' + suffix) + '$');\n      } else {\n        replace = new RegExp(escapeRegEx(suffix) + '$');\n      }\n\n      if (replace) {\n        v = URI.recodePath(v);\n        this._parts.path = this._parts.path.replace(replace, v);\n      }\n\n      this.build(!build);\n      return this;\n    }\n  };\n  p.segment = function(segment, v, build) {\n    var separator = this._parts.urn ? ':' : '/';\n    var path = this.path();\n    var absolute = path.substring(0, 1) === '/';\n    var segments = path.split(separator);\n\n    if (segment !== undefined && typeof segment !== 'number') {\n      build = v;\n      v = segment;\n      segment = undefined;\n    }\n\n    if (segment !== undefined && typeof segment !== 'number') {\n      throw new Error('Bad segment \"' + segment + '\", must be 0-based integer');\n    }\n\n    if (absolute) {\n      segments.shift();\n    }\n\n    if (segment < 0) {\n      // allow negative indexes to address from the end\n      segment = Math.max(segments.length + segment, 0);\n    }\n\n    if (v === undefined) {\n      /*jshint laxbreak: true */\n      return segment === undefined\n        ? segments\n        : segments[segment];\n      /*jshint laxbreak: false */\n    } else if (segment === null || segments[segment] === undefined) {\n      if (isArray(v)) {\n        segments = [];\n        // collapse empty elements within array\n        for (var i=0, l=v.length; i < l; i++) {\n          if (!v[i].length && (!segments.length || !segments[segments.length -1].length)) {\n            continue;\n          }\n\n          if (segments.length && !segments[segments.length -1].length) {\n            segments.pop();\n          }\n\n          segments.push(trimSlashes(v[i]));\n        }\n      } else if (v || typeof v === 'string') {\n        v = trimSlashes(v);\n        if (segments[segments.length -1] === '') {\n          // empty trailing elements have to be overwritten\n          // to prevent results such as /foo//bar\n          segments[segments.length -1] = v;\n        } else {\n          segments.push(v);\n        }\n      }\n    } else {\n      if (v) {\n        segments[segment] = trimSlashes(v);\n      } else {\n        segments.splice(segment, 1);\n      }\n    }\n\n    if (absolute) {\n      segments.unshift('');\n    }\n\n    return this.path(segments.join(separator), build);\n  };\n  p.segmentCoded = function(segment, v, build) {\n    var segments, i, l;\n\n    if (typeof segment !== 'number') {\n      build = v;\n      v = segment;\n      segment = undefined;\n    }\n\n    if (v === undefined) {\n      segments = this.segment(segment, v, build);\n      if (!isArray(segments)) {\n        segments = segments !== undefined ? URI.decode(segments) : undefined;\n      } else {\n        for (i = 0, l = segments.length; i < l; i++) {\n          segments[i] = URI.decode(segments[i]);\n        }\n      }\n\n      return segments;\n    }\n\n    if (!isArray(v)) {\n      v = (typeof v === 'string' || v instanceof String) ? URI.encode(v) : v;\n    } else {\n      for (i = 0, l = v.length; i < l; i++) {\n        v[i] = URI.encode(v[i]);\n      }\n    }\n\n    return this.segment(segment, v, build);\n  };\n\n  // mutating query string\n  var q = p.query;\n  p.query = function(v, build) {\n    if (v === true) {\n      return URI.parseQuery(this._parts.query, this._parts.escapeQuerySpace);\n    } else if (typeof v === 'function') {\n      var data = URI.parseQuery(this._parts.query, this._parts.escapeQuerySpace);\n      var result = v.call(this, data);\n      this._parts.query = URI.buildQuery(result || data, this._parts.duplicateQueryParameters, this._parts.escapeQuerySpace);\n      this.build(!build);\n      return this;\n    } else if (v !== undefined && typeof v !== 'string') {\n      this._parts.query = URI.buildQuery(v, this._parts.duplicateQueryParameters, this._parts.escapeQuerySpace);\n      this.build(!build);\n      return this;\n    } else {\n      return q.call(this, v, build);\n    }\n  };\n  p.setQuery = function(name, value, build) {\n    var data = URI.parseQuery(this._parts.query, this._parts.escapeQuerySpace);\n\n    if (typeof name === 'string' || name instanceof String) {\n      data[name] = value !== undefined ? value : null;\n    } else if (typeof name === 'object') {\n      for (var key in name) {\n        if (hasOwn.call(name, key)) {\n          data[key] = name[key];\n        }\n      }\n    } else {\n      throw new TypeError('URI.addQuery() accepts an object, string as the name parameter');\n    }\n\n    this._parts.query = URI.buildQuery(data, this._parts.duplicateQueryParameters, this._parts.escapeQuerySpace);\n    if (typeof name !== 'string') {\n      build = value;\n    }\n\n    this.build(!build);\n    return this;\n  };\n  p.addQuery = function(name, value, build) {\n    var data = URI.parseQuery(this._parts.query, this._parts.escapeQuerySpace);\n    URI.addQuery(data, name, value === undefined ? null : value);\n    this._parts.query = URI.buildQuery(data, this._parts.duplicateQueryParameters, this._parts.escapeQuerySpace);\n    if (typeof name !== 'string') {\n      build = value;\n    }\n\n    this.build(!build);\n    return this;\n  };\n  p.removeQuery = function(name, value, build) {\n    var data = URI.parseQuery(this._parts.query, this._parts.escapeQuerySpace);\n    URI.removeQuery(data, name, value);\n    this._parts.query = URI.buildQuery(data, this._parts.duplicateQueryParameters, this._parts.escapeQuerySpace);\n    if (typeof name !== 'string') {\n      build = value;\n    }\n\n    this.build(!build);\n    return this;\n  };\n  p.hasQuery = function(name, value, withinArray) {\n    var data = URI.parseQuery(this._parts.query, this._parts.escapeQuerySpace);\n    return URI.hasQuery(data, name, value, withinArray);\n  };\n  p.setSearch = p.setQuery;\n  p.addSearch = p.addQuery;\n  p.removeSearch = p.removeQuery;\n  p.hasSearch = p.hasQuery;\n\n  // sanitizing URLs\n  p.normalize = function() {\n    if (this._parts.urn) {\n      return this\n        .normalizeProtocol(false)\n        .normalizePath(false)\n        .normalizeQuery(false)\n        .normalizeFragment(false)\n        .build();\n    }\n\n    return this\n      .normalizeProtocol(false)\n      .normalizeHostname(false)\n      .normalizePort(false)\n      .normalizePath(false)\n      .normalizeQuery(false)\n      .normalizeFragment(false)\n      .build();\n  };\n  p.normalizeProtocol = function(build) {\n    if (typeof this._parts.protocol === 'string') {\n      this._parts.protocol = this._parts.protocol.toLowerCase();\n      this.build(!build);\n    }\n\n    return this;\n  };\n  p.normalizeHostname = function(build) {\n    if (this._parts.hostname) {\n      if (this.is('IDN') && punycode) {\n        this._parts.hostname = punycode.toASCII(this._parts.hostname);\n      } else if (this.is('IPv6') && IPv6) {\n        this._parts.hostname = IPv6.best(this._parts.hostname);\n      }\n\n      this._parts.hostname = this._parts.hostname.toLowerCase();\n      this.build(!build);\n    }\n\n    return this;\n  };\n  p.normalizePort = function(build) {\n    // remove port of it's the protocol's default\n    if (typeof this._parts.protocol === 'string' && this._parts.port === URI.defaultPorts[this._parts.protocol]) {\n      this._parts.port = null;\n      this.build(!build);\n    }\n\n    return this;\n  };\n  p.normalizePath = function(build) {\n    var _path = this._parts.path;\n    if (!_path) {\n      return this;\n    }\n\n    if (this._parts.urn) {\n      this._parts.path = URI.recodeUrnPath(this._parts.path);\n      this.build(!build);\n      return this;\n    }\n\n    if (this._parts.path === '/') {\n      return this;\n    }\n\n    var _was_relative;\n    var _leadingParents = '';\n    var _parent, _pos;\n\n    // handle relative paths\n    if (_path.charAt(0) !== '/') {\n      _was_relative = true;\n      _path = '/' + _path;\n    }\n\n    // handle relative files (as opposed to directories)\n    if (_path.slice(-3) === '/..' || _path.slice(-2) === '/.') {\n      _path += '/';\n    }\n\n    // resolve simples\n    _path = _path\n      .replace(/(\\/(\\.\\/)+)|(\\/\\.$)/g, '/')\n      .replace(/\\/{2,}/g, '/');\n\n    // remember leading parents\n    if (_was_relative) {\n      _leadingParents = _path.substring(1).match(/^(\\.\\.\\/)+/) || '';\n      if (_leadingParents) {\n        _leadingParents = _leadingParents[0];\n      }\n    }\n\n    // resolve parents\n    while (true) {\n      _parent = _path.indexOf('/..');\n      if (_parent === -1) {\n        // no more ../ to resolve\n        break;\n      } else if (_parent === 0) {\n        // top level cannot be relative, skip it\n        _path = _path.substring(3);\n        continue;\n      }\n\n      _pos = _path.substring(0, _parent).lastIndexOf('/');\n      if (_pos === -1) {\n        _pos = _parent;\n      }\n      _path = _path.substring(0, _pos) + _path.substring(_parent + 3);\n    }\n\n    // revert to relative\n    if (_was_relative && this.is('relative')) {\n      _path = _leadingParents + _path.substring(1);\n    }\n\n    _path = URI.recodePath(_path);\n    this._parts.path = _path;\n    this.build(!build);\n    return this;\n  };\n  p.normalizePathname = p.normalizePath;\n  p.normalizeQuery = function(build) {\n    if (typeof this._parts.query === 'string') {\n      if (!this._parts.query.length) {\n        this._parts.query = null;\n      } else {\n        this.query(URI.parseQuery(this._parts.query, this._parts.escapeQuerySpace));\n      }\n\n      this.build(!build);\n    }\n\n    return this;\n  };\n  p.normalizeFragment = function(build) {\n    if (!this._parts.fragment) {\n      this._parts.fragment = null;\n      this.build(!build);\n    }\n\n    return this;\n  };\n  p.normalizeSearch = p.normalizeQuery;\n  p.normalizeHash = p.normalizeFragment;\n\n  p.iso8859 = function() {\n    // expect unicode input, iso8859 output\n    var e = URI.encode;\n    var d = URI.decode;\n\n    URI.encode = escape;\n    URI.decode = decodeURIComponent;\n    try {\n      this.normalize();\n    } finally {\n      URI.encode = e;\n      URI.decode = d;\n    }\n    return this;\n  };\n\n  p.unicode = function() {\n    // expect iso8859 input, unicode output\n    var e = URI.encode;\n    var d = URI.decode;\n\n    URI.encode = strictEncodeURIComponent;\n    URI.decode = unescape;\n    try {\n      this.normalize();\n    } finally {\n      URI.encode = e;\n      URI.decode = d;\n    }\n    return this;\n  };\n\n  p.readable = function() {\n    var uri = this.clone();\n    // removing username, password, because they shouldn't be displayed according to RFC 3986\n    uri.username('').password('').normalize();\n    var t = '';\n    if (uri._parts.protocol) {\n      t += uri._parts.protocol + '://';\n    }\n\n    if (uri._parts.hostname) {\n      if (uri.is('punycode') && punycode) {\n        t += punycode.toUnicode(uri._parts.hostname);\n        if (uri._parts.port) {\n          t += ':' + uri._parts.port;\n        }\n      } else {\n        t += uri.host();\n      }\n    }\n\n    if (uri._parts.hostname && uri._parts.path && uri._parts.path.charAt(0) !== '/') {\n      t += '/';\n    }\n\n    t += uri.path(true);\n    if (uri._parts.query) {\n      var q = '';\n      for (var i = 0, qp = uri._parts.query.split('&'), l = qp.length; i < l; i++) {\n        var kv = (qp[i] || '').split('=');\n        q += '&' + URI.decodeQuery(kv[0], this._parts.escapeQuerySpace)\n          .replace(/&/g, '%26');\n\n        if (kv[1] !== undefined) {\n          q += '=' + URI.decodeQuery(kv[1], this._parts.escapeQuerySpace)\n            .replace(/&/g, '%26');\n        }\n      }\n      t += '?' + q.substring(1);\n    }\n\n    t += URI.decodeQuery(uri.hash(), true);\n    return t;\n  };\n\n  // resolving relative and absolute URLs\n  p.absoluteTo = function(base) {\n    var resolved = this.clone();\n    var properties = ['protocol', 'username', 'password', 'hostname', 'port'];\n    var basedir, i, p;\n\n    if (this._parts.urn) {\n      throw new Error('URNs do not have any generally defined hierarchical components');\n    }\n\n    if (!(base instanceof URI)) {\n      base = new URI(base);\n    }\n\n    if (!resolved._parts.protocol) {\n      resolved._parts.protocol = base._parts.protocol;\n    }\n\n    if (this._parts.hostname) {\n      return resolved;\n    }\n\n    for (i = 0; (p = properties[i]); i++) {\n      resolved._parts[p] = base._parts[p];\n    }\n\n    if (!resolved._parts.path) {\n      resolved._parts.path = base._parts.path;\n      if (!resolved._parts.query) {\n        resolved._parts.query = base._parts.query;\n      }\n    } else if (resolved._parts.path.substring(-2) === '..') {\n      resolved._parts.path += '/';\n    }\n\n    if (resolved.path().charAt(0) !== '/') {\n      basedir = base.directory();\n      basedir = basedir ? basedir : base.path().indexOf('/') === 0 ? '/' : '';\n      resolved._parts.path = (basedir ? (basedir + '/') : '') + resolved._parts.path;\n      resolved.normalizePath();\n    }\n\n    resolved.build();\n    return resolved;\n  };\n  p.relativeTo = function(base) {\n    var relative = this.clone().normalize();\n    var relativeParts, baseParts, common, relativePath, basePath;\n\n    if (relative._parts.urn) {\n      throw new Error('URNs do not have any generally defined hierarchical components');\n    }\n\n    base = new URI(base).normalize();\n    relativeParts = relative._parts;\n    baseParts = base._parts;\n    relativePath = relative.path();\n    basePath = base.path();\n\n    if (relativePath.charAt(0) !== '/') {\n      throw new Error('URI is already relative');\n    }\n\n    if (basePath.charAt(0) !== '/') {\n      throw new Error('Cannot calculate a URI relative to another relative URI');\n    }\n\n    if (relativeParts.protocol === baseParts.protocol) {\n      relativeParts.protocol = null;\n    }\n\n    if (relativeParts.username !== baseParts.username || relativeParts.password !== baseParts.password) {\n      return relative.build();\n    }\n\n    if (relativeParts.protocol !== null || relativeParts.username !== null || relativeParts.password !== null) {\n      return relative.build();\n    }\n\n    if (relativeParts.hostname === baseParts.hostname && relativeParts.port === baseParts.port) {\n      relativeParts.hostname = null;\n      relativeParts.port = null;\n    } else {\n      return relative.build();\n    }\n\n    if (relativePath === basePath) {\n      relativeParts.path = '';\n      return relative.build();\n    }\n\n    // determine common sub path\n    common = URI.commonPath(relativePath, basePath);\n\n    // If the paths have nothing in common, return a relative URL with the absolute path.\n    if (!common) {\n      return relative.build();\n    }\n\n    var parents = baseParts.path\n      .substring(common.length)\n      .replace(/[^\\/]*$/, '')\n      .replace(/.*?\\//g, '../');\n\n    relativeParts.path = (parents + relativeParts.path.substring(common.length)) || './';\n\n    return relative.build();\n  };\n\n  // comparing URIs\n  p.equals = function(uri) {\n    var one = this.clone();\n    var two = new URI(uri);\n    var one_map = {};\n    var two_map = {};\n    var checked = {};\n    var one_query, two_query, key;\n\n    one.normalize();\n    two.normalize();\n\n    // exact match\n    if (one.toString() === two.toString()) {\n      return true;\n    }\n\n    // extract query string\n    one_query = one.query();\n    two_query = two.query();\n    one.query('');\n    two.query('');\n\n    // definitely not equal if not even non-query parts match\n    if (one.toString() !== two.toString()) {\n      return false;\n    }\n\n    // query parameters have the same length, even if they're permuted\n    if (one_query.length !== two_query.length) {\n      return false;\n    }\n\n    one_map = URI.parseQuery(one_query, this._parts.escapeQuerySpace);\n    two_map = URI.parseQuery(two_query, this._parts.escapeQuerySpace);\n\n    for (key in one_map) {\n      if (hasOwn.call(one_map, key)) {\n        if (!isArray(one_map[key])) {\n          if (one_map[key] !== two_map[key]) {\n            return false;\n          }\n        } else if (!arraysEqual(one_map[key], two_map[key])) {\n          return false;\n        }\n\n        checked[key] = true;\n      }\n    }\n\n    for (key in two_map) {\n      if (hasOwn.call(two_map, key)) {\n        if (!checked[key]) {\n          // two contains a parameter not present in one\n          return false;\n        }\n      }\n    }\n\n    return true;\n  };\n\n  // state\n  p.duplicateQueryParameters = function(v) {\n    this._parts.duplicateQueryParameters = !!v;\n    return this;\n  };\n\n  p.escapeQuerySpace = function(v) {\n    this._parts.escapeQuerySpace = !!v;\n    return this;\n  };\n\n  return URI;\n}));\n","var RSVP = require('rsvp');\nvar URI = require('urijs');\nvar core = require('./core');\nvar Spine = require('./spine');\nvar Locations = require('./locations');\nvar Parser = require('./parser');\nvar Navigation = require('./navigation');\nvar Rendition = require('./rendition');\nvar Continuous = require('./continuous');\nvar Paginate = require('./paginate');\nvar Unarchive = require('./unarchive');\nvar request = require('./request');\n\nfunction Book(_url, options){\n  // Promises\n  this.opening = new RSVP.defer();\n  this.opened = this.opening.promise;\n  this.isOpen = false;\n\n  this.url = undefined;\n\n  this.loading = {\n    manifest: new RSVP.defer(),\n    spine: new RSVP.defer(),\n    metadata: new RSVP.defer(),\n    cover: new RSVP.defer(),\n    navigation: new RSVP.defer(),\n    pageList: new RSVP.defer()\n  };\n\n  this.loaded = {\n    manifest: this.loading.manifest.promise,\n    spine: this.loading.spine.promise,\n    metadata: this.loading.metadata.promise,\n    cover: this.loading.cover.promise,\n    navigation: this.loading.navigation.promise,\n    pageList: this.loading.pageList.promise\n  };\n\n  this.ready = RSVP.hash(this.loaded);\n\n  // Queue for methods used before opening\n  this.isRendered = false;\n  // this._q = core.queue(this);\n\n  this.request = this.requestMethod.bind(this);\n\n  this.spine = new Spine(this.request);\n  this.locations = new Locations(this.spine, this.request);\n\n  if(_url) {\n    this.open(_url);\n  }\n};\n\nBook.prototype.open = function(_url){\n  var uri;\n  var parse = new Parser();\n  var epubPackage;\n  var epubContainer;\n  var book = this;\n  var containerPath = \"META-INF/container.xml\";\n  var location;\n\n  if(!_url) {\n    this.opening.resolve(this);\n    return this.opened;\n  }\n\n  // Reuse parsed url or create a new uri object\n  // if(typeof(_url) === \"object\") {\n  //   uri = _url;\n  // } else {\n  //   uri = core.uri(_url);\n  // }\n  uri = URI(_url);\n  this.url = _url;\n\n  // Find path to the Container\n  if(uri.suffix() === \"opf\") {\n    // Direct link to package, no container\n    this.packageUrl = _url;\n    this.containerUrl = '';\n\n    if(uri.origin()) {\n      this.baseUrl = uri.origin() + \"/\" + uri.directory() + \"/\";\n    } else if(window){\n      this.baseUrl = uri.absoluteTo(window.location.href).directory() + \"/\";\n    } else {\n      this.baseUrl = uri.directory() + \"/\";\n    }\n\n    epubPackage = this.request(this.packageUrl);\n\n  } else if(this.isArchivedUrl(uri)) {\n    // Book is archived\n    this.url = '/';\n    this.containerUrl = URI(containerPath).absoluteTo(this.url).toString();\n\n    epubContainer = this.unarchive(_url).\n      then(function() {\n        return this.request(this.containerUrl);\n      }.bind(this));\n\n  }\n  // Find the path to the Package from the container\n  else if (!uri.suffix()) {\n\n    this.containerUrl = this.url + containerPath;\n\n    epubContainer = this.request(this.containerUrl);\n  }\n\n  if (epubContainer) {\n    epubPackage = epubContainer.\n      then(function(containerXml){\n        return parse.container(containerXml); // Container has path to content\n      }).\n      then(function(paths){\n        var packageUri = URI(paths.packagePath);\n        var absPackageUri = packageUri.absoluteTo(book.url);\n        book.packageUrl = absPackageUri.toString();\n        book.encoding = paths.encoding;\n\n        // Set Url relative to the content\n        if(packageUri.origin()) {\n          book.baseUrl = packageUri.origin() + \"/\" + packageUri.directory() + \"/\";\n        } else if(window && !book.isArchivedUrl(uri)){\n          book.baseUrl = absPackageUri.absoluteTo(window.location.href).directory() + \"/\";\n        } else {\n          book.baseUrl = \"/\" + packageUri.directory() + \"/\";\n        }\n\n        return book.request(book.packageUrl);\n      }).catch(function(error) {\n        // handle errors in either of the two requests\n        console.error(\"Could not load book at: \" + (this.packageUrl || this.containerPath));\n        book.trigger(\"book:loadFailed\", (this.packageUrl || this.containerPath));\n        book.opening.reject(error);\n      });\n  }\n\n\n  epubPackage.then(function(packageXml) {\n    // Get package information from epub opf\n    book.unpack(packageXml);\n\n    // Resolve promises\n    book.loading.manifest.resolve(book.package.manifest);\n    book.loading.metadata.resolve(book.package.metadata);\n    book.loading.spine.resolve(book.spine);\n    book.loading.cover.resolve(book.cover);\n\n    book.isOpen = true;\n\n    // Clear queue of any waiting book request\n\n    // Resolve book opened promise\n    book.opening.resolve(book);\n\n  }).catch(function(error) {\n    // handle errors in parsing the book\n    console.error(error.message, error.stack);\n    book.opening.reject(error);\n  });\n\n  return this.opened;\n};\n\nBook.prototype.unpack = function(packageXml){\n  var book = this,\n      parse = new Parser();\n\n  book.package = parse.packageContents(packageXml); // Extract info from contents\n  book.package.baseUrl = book.baseUrl; // Provides a url base for resolving paths\n\n  this.spine.load(book.package);\n\n  book.navigation = new Navigation(book.package, this.request);\n  book.navigation.load().then(function(toc){\n    book.toc = toc;\n    book.loading.navigation.resolve(book.toc);\n  });\n\n  // //-- Set Global Layout setting based on metadata\n  // MOVE TO RENDER\n  // book.globalLayoutProperties = book.parseLayoutProperties(book.package.metadata);\n\n  book.cover = URI(book.package.coverPath).absoluteTo(book.baseUrl).toString();\n};\n\n// Alias for book.spine.get\nBook.prototype.section = function(target) {\n  return this.spine.get(target);\n};\n\n// Sugar to render a book\nBook.prototype.renderTo = function(element, options) {\n  var renderMethod = (options && options.method) ?\n      options.method :\n      \"rendition\";\n  var Renderer = require('./'+renderMethod);\n\n  this.rendition = new Renderer(this, options);\n  this.rendition.attachTo(element);\n\n  return this.rendition;\n};\n\nBook.prototype.requestMethod = function(_url) {\n  // Switch request methods\n  if(this.archive) {\n    return this.archive.request(_url);\n  } else {\n    return request(_url, null, this.requestCredentials, this.requestHeaders);\n  }\n\n};\n\nBook.prototype.setRequestCredentials = function(_credentials) {\n  this.requestCredentials = _credentials;\n};\n\nBook.prototype.setRequestHeaders = function(_headers) {\n  this.requestHeaders = _headers;\n};\n\nBook.prototype.unarchive = function(bookUrl){\n\tthis.archive = new Unarchive();\n\treturn this.archive.open(bookUrl);\n};\n\n//-- Checks if url has a .epub or .zip extension, or is ArrayBuffer (of zip/epub)\nBook.prototype.isArchivedUrl = function(bookUrl){\n  var uri;\n  var extension;\n\n  if (bookUrl instanceof ArrayBuffer) {\n\t\treturn true;\n\t}\n\n  // Reuse parsed url or create a new uri object\n  // if(typeof(bookUrl) === \"object\") {\n  //   uri = bookUrl;\n  // } else {\n  //   uri = core.uri(bookUrl);\n  // }\n  uri = URI(bookUrl);\n  extension = uri.suffix();\n\n\tif(extension && (extension == \"epub\" || extension == \"zip\")){\n\t\treturn true;\n\t}\n\n\treturn false;\n};\n\n//-- Returns the cover\nBook.prototype.coverUrl = function(){\n\tvar retrieved = this.loaded.cover.\n\t\tthen(function(url) {\n\t\t\tif(this.archive) {\n\t\t\t\treturn this.archive.createUrl(this.cover);\n\t\t\t}else{\n\t\t\t\treturn this.cover;\n\t\t\t}\n\t\t}.bind(this));\n\n\n\n\treturn retrieved;\n};\n\nmodule.exports = Book;\n\n//-- Enable binding events to book\nRSVP.EventTarget.mixin(Book.prototype);\n\n//-- Handle RSVP Errors\nRSVP.on('error', function(event) {\n  console.error(event);\n});\n\nRSVP.configure('instrument', true); //-- true | will logging out all RSVP rejections\n// RSVP.on('created', listener);\n// RSVP.on('chained', listener);\n// RSVP.on('fulfilled', listener);\nRSVP.on('rejected', function(event){\n  console.error(event.detail.message, event.detail.stack);\n});\n","var RSVP = require('rsvp');\nvar core = require('./core');\nvar Rendition = require('./rendition');\nvar View = require('./view');\n\nfunction Continuous(book, options) {\n\n\tRendition.apply(this, arguments); // call super constructor.\n\n\tthis.settings = core.extend(this.settings || {}, {\n\t\tinfinite: true,\n\t\toverflow: \"auto\",\n\t\taxis: \"vertical\",\n\t\toffset: 500,\n\t\toffsetDelta: 250\n\t});\n\n\tcore.extend(this.settings, options);\n\n\tif(this.settings.hidden) {\n\t\tthis.wrapper = this.wrap(this.container);\n\t}\n\n\n};\n\n// subclass extends superclass\nContinuous.prototype = Object.create(Rendition.prototype);\nContinuous.prototype.constructor = Continuous;\n\nContinuous.prototype.attachListeners = function(){\n\n\t// Listen to window for resize event if width or height is set to a percent\n\tif(!core.isNumber(this.settings.width) ||\n\t\t !core.isNumber(this.settings.height) ) {\n\t\twindow.addEventListener(\"resize\", this.onResized.bind(this), false);\n\t}\n\n\n\tif(this.settings.infinite) {\n\t\tthis.start();\n\t}\n\n\n};\n\nContinuous.prototype.parseTarget = function(target){\n\tif(this.epubcfi.isCfiString(target)) {\n    cfi = this.epubcfi.parse(target);\n    spinePos = cfi.spinePos;\n    section = this.book.spine.get(spinePos);\n  } else {\n    section = this.book.spine.get(target);\n  }\n};\n\nContinuous.prototype.moveTo = function(offset){\n  // var bounds = this.bounds();\n  // var dist = Math.floor(offset.top / bounds.height) * bounds.height;\n  return this.check(\n\t\toffset.left+this.settings.offset,\n\t\toffset.top+this.settings.offset)\n\t\t.then(function(){\n\n\t    if(this.settings.axis === \"vertical\") {\n\t      this.scrollBy(0, offset.top);\n\t    } else {\n\t      this.scrollBy(offset.left, 0);\n\t    }\n\n\t  }.bind(this));\n};\n\nContinuous.prototype.afterDisplayed = function(currView){\n\tvar next = currView.section.next();\n\tvar prev = currView.section.prev();\n\tvar index = this.views.indexOf(currView);\n\tvar prevView, nextView;\n\n\tif(index + 1 === this.views.length && next) {\n\t\tnextView = this.createView(next);\n\t\tthis.q.enqueue(this.append, nextView);\n\t}\n\n\tif(index === 0 && prev) {\n\t\tprevView = this.createView(prev, this.viewSettings);\n\t\tthis.q.enqueue(this.prepend, prevView);\n\t}\n\n\t// this.removeShownListeners(currView);\n\t// currView.onShown = this.afterDisplayed.bind(this);\n\tthis.trigger(\"added\", currView.section);\n\n};\n\n\n// Remove Previous Listeners if present\nContinuous.prototype.removeShownListeners = function(view){\n\n\t// view.off(\"shown\", this.afterDisplayed);\n\t// view.off(\"shown\", this.afterDisplayedAbove);\n\tview.onDisplayed = function(){};\n\n};\n\nContinuous.prototype.append = function(view){\n\n\t// view.on(\"shown\", this.afterDisplayed.bind(this));\n\tview.onDisplayed = this.afterDisplayed.bind(this);\n\n\tthis.views.append(view);\n\n  //this.q.enqueue(this.check);\n  return this.check();\n};\n\nContinuous.prototype.prepend = function(view){\n\t// view.on(\"shown\", this.afterDisplayedAbove.bind(this));\n\tview.onDisplayed = this.afterDisplayed.bind(this);\n\n\tview.on(\"resized\", this.counter.bind(this));\n\n\tthis.views.prepend(view);\n\n  // this.q.enqueue(this.check);\n  return this.check();\n};\n\nContinuous.prototype.counter = function(bounds){\n\n\tif(this.settings.axis === \"vertical\") {\n\t\tthis.scrollBy(0, bounds.heightDelta, true);\n\t} else {\n\t\tthis.scrollBy(bounds.widthDelta, 0, true);\n\t}\n\n};\n\nContinuous.prototype.check = function(_offset){\n\tvar checking = new RSVP.defer();\n\tvar container = this.bounds();\n  var promises = [];\n  var offset = _offset || this.settings.offset;\n\n\tthis.views.each(function(view){\n\t\tvar visible = this.isVisible(view, offset, offset, container);\n\n\t\tif(visible) {\n\n\t\t\tif(!view.displayed && !view.rendering) {\n          // console.log(\"render\",view.section.index)\n\t\t\t\t\tpromises.push(this.render(view));\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tif(view.displayed) {\n        // console.log(\"destroy\", view.section.index)\n        this.q.enqueue(view.destroy.bind(view));\n        // view.destroy();\n        // this.q.enqueue(this.trim);\n        clearTimeout(this.trimTimeout);\n        this.trimTimeout = setTimeout(function(){\n          this.q.enqueue(this.trim);\n        }.bind(this), 250);\n\t\t\t}\n\n\t\t}\n\n\t}.bind(this));\n\n\n  if(promises.length){\n\n    return RSVP.all(promises)\n      .then(function(posts) {\n        // Check to see if anything new is on screen after rendering\n        this.q.enqueue(this.check);\n\n      }.bind(this));\n\n  } else {\n    checking.resolve();\n\n    return checking.promise;\n  }\n\n};\n\nContinuous.prototype.trim = function(){\n  var task = new RSVP.defer();\n  var displayed = this.views.displayed();\n  var first = displayed[0];\n  var last = displayed[displayed.length-1];\n  var firstIndex = this.views.indexOf(first);\n  var lastIndex = this.views.indexOf(last);\n  var above = this.views.slice(0, firstIndex);\n  var below = this.views.slice(lastIndex+1);\n\n  // Erase all but last above\n  for (var i = 0; i < above.length-1; i++) {\n    this.erase(above[i], above);\n  }\n\n  // Erase all except first below\n  for (var j = 1; j < below.length; j++) {\n    this.erase(below[j]);\n  }\n\n  task.resolve();\n  return task.promise;\n};\n\nContinuous.prototype.erase = function(view, above){ //Trim\n\n\tvar prevTop;\n\tvar prevLeft;\n\n\tif(this.settings.height) {\n  \tprevTop = this.container.scrollTop;\n\t\tprevLeft = this.container.scrollLeft;\n  } else {\n  \tprevTop = window.scrollY;\n\t\tprevLeft = window.scrollX;\n  }\n\n\tvar bounds = view.bounds();\n\n\tthis.views.remove(view);\n\n\tif(above) {\n\n\t\tif(this.settings.axis === \"vertical\") {\n\t\t\tthis.scrollTo(0, prevTop - bounds.height, true);\n\t\t} else {\n\t\t\tthis.scrollTo(prevLeft - bounds.width, 0, true);\n\t\t}\n\t}\n\n};\n\nContinuous.prototype.start = function() {\n  var scroller;\n\n  this.tick = core.requestAnimationFrame;\n\n  if(this.settings.height) {\n  \tthis.prevScrollTop = this.container.scrollTop;\n  \tthis.prevScrollLeft = this.container.scrollLeft;\n  } else {\n  \tthis.prevScrollTop = window.scrollY;\n\t\tthis.prevScrollLeft = window.scrollX;\n  }\n\n  this.scrollDeltaVert = 0;\n  this.scrollDeltaHorz = 0;\n\n  if(this.settings.height) {\n  \tscroller = this.container;\n  } else {\n  \tscroller = window;\n  }\n\n  window.addEventListener(\"scroll\", function(e){\n    if(!this.ignore) {\n      this.scrolled = true;\n    } else {\n      this.ignore = false;\n    }\n  }.bind(this));\n\n  window.addEventListener('unload', function(e){\n    this.ignore = true;\n    this.destroy();\n  }.bind(this));\n\n  this.tick.call(window, this.onScroll.bind(this));\n\n  this.scrolled = false;\n\n};\n\nContinuous.prototype.onScroll = function(){\n\n  if(this.scrolled) {\n\n    if(this.settings.height) {\n\t  \tscrollTop = this.container.scrollTop;\n\t  \tscrollLeft = this.container.scrollLeft;\n\t  } else {\n\t  \tscrollTop = window.scrollY;\n\t\t\tscrollLeft = window.scrollX;\n\t  }\n\n    if(!this.ignore) {\n\n\t    if((this.scrollDeltaVert === 0 &&\n\t    \t this.scrollDeltaHorz === 0) ||\n\t    \t this.scrollDeltaVert > this.settings.offsetDelta ||\n\t    \t this.scrollDeltaHorz > this.settings.offsetDelta) {\n\n\t\t\t\tthis.q.enqueue(this.check);\n\n\t\t\t\tthis.scrollDeltaVert = 0;\n\t    \tthis.scrollDeltaHorz = 0;\n\n\t\t\t\tthis.trigger(\"scroll\", {\n\t\t      top: scrollTop,\n\t\t      left: scrollLeft\n\t\t    });\n\n\t\t\t}\n\n\t\t} else {\n\t    this.ignore = false;\n\t\t}\n\n    this.scrollDeltaVert += Math.abs(scrollTop-this.prevScrollTop);\n    this.scrollDeltaHorz += Math.abs(scrollLeft-this.prevScrollLeft);\n\n\t\tthis.prevScrollTop = scrollTop;\n\t\tthis.prevScrollLeft = scrollLeft;\n\n  \tclearTimeout(this.scrollTimeout);\n\t\tthis.scrollTimeout = setTimeout(function(){\n\t\t\tthis.scrollDeltaVert = 0;\n\t    this.scrollDeltaHorz = 0;\n\t\t}.bind(this), 150);\n\n\n    this.scrolled = false;\n  }\n\n  this.tick.call(window, this.onScroll.bind(this));\n\n};\n\n\n Continuous.prototype.resizeView = function(view) {\n\n\tif(this.settings.axis === \"horizontal\") {\n\t\tview.lock(\"height\", this.stage.width, this.stage.height);\n\t} else {\n\t\tview.lock(\"width\", this.stage.width, this.stage.height);\n\t}\n\n};\n\nContinuous.prototype.currentLocation = function(){\n  var visible = this.visible();\n  var startPage, endPage;\n\n  var container = this.container.getBoundingClientRect();\n\n  if(visible.length === 1) {\n    return this.map.page(visible[0]);\n  }\n\n  if(visible.length > 1) {\n\n    startPage = this.map.page(visible[0]);\n    endPage = this.map.page(visible[visible.length-1]);\n\n    return {\n      start: startPage.start,\n      end: endPage.end\n    };\n  }\n\n};\n\n/*\nContinuous.prototype.current = function(what){\n  var view, top;\n  var container = this.container.getBoundingClientRect();\n  var length = this.views.length - 1;\n\n  if(this.settings.axis === \"horizontal\") {\n\n    for (var i = length; i >= 0; i--) {\n      view = this.views[i];\n      left = view.position().left;\n\n      if(left < container.right) {\n\n        if(this._current == view) {\n          break;\n        }\n\n        this._current = view;\n        break;\n      }\n    }\n\n  } else {\n\n    for (var i = length; i >= 0; i--) {\n      view = this.views[i];\n      top = view.bounds().top;\n      if(top < container.bottom) {\n\n        if(this._current == view) {\n          break;\n        }\n\n        this._current = view;\n\n        break;\n      }\n    }\n\n  }\n\n  return this._current;\n};\n*/\n\nmodule.exports = Continuous;\n","var RSVP = require('rsvp');\n\nvar requestAnimationFrame = (typeof window != 'undefined') ? (window.requestAnimationFrame || window.mozRequestAnimationFrame || window.webkitRequestAnimationFrame || window.msRequestAnimationFrame) : false;\n/*\n//-- Parse the different parts of a url, returning a object\nfunction uri(url){\n  var uri = {\n        protocol : '',\n        host : '',\n        path : '',\n        origin : '',\n        directory : '',\n        base : '',\n        filename : '',\n        extension : '',\n        fragment : '',\n        href : url\n      },\n      doubleSlash = url.indexOf('://'),\n      search = url.indexOf('?'),\n      fragment = url.indexOf(\"#\"),\n      withoutProtocol,\n      dot,\n      firstSlash;\n\n  if(fragment != -1) {\n    uri.fragment = url.slice(fragment + 1);\n    url = url.slice(0, fragment);\n  }\n\n  if(search != -1) {\n    uri.search = url.slice(search + 1);\n    url = url.slice(0, search);\n    href = url;\n  }\n\n  if(doubleSlash != -1) {\n    uri.protocol = url.slice(0, doubleSlash);\n    withoutProtocol = url.slice(doubleSlash+3);\n    firstSlash = withoutProtocol.indexOf('/');\n\n    if(firstSlash === -1) {\n      uri.host = uri.path;\n      uri.path = \"\";\n    } else {\n      uri.host = withoutProtocol.slice(0, firstSlash);\n      uri.path = withoutProtocol.slice(firstSlash);\n    }\n\n\n    uri.origin = uri.protocol + \"://\" + uri.host;\n\n    uri.directory = folder(uri.path);\n\n    uri.base = uri.origin + uri.directory;\n    // return origin;\n  } else {\n    uri.path = url;\n    uri.directory = folder(url);\n    uri.base = uri.directory;\n  }\n\n  //-- Filename\n  uri.filename = url.replace(uri.base, '');\n  dot = uri.filename.lastIndexOf('.');\n  if(dot != -1) {\n    uri.extension = uri.filename.slice(dot+1);\n  }\n  return uri;\n};\n\n//-- Parse out the folder, will return everything before the last slash\nfunction folder(url){\n\n  var lastSlash = url.lastIndexOf('/');\n\n  if(lastSlash == -1) var folder = '';\n\n  folder = url.slice(0, lastSlash + 1);\n\n  return folder;\n\n};\n*/\nfunction isElement(obj) {\n    return !!(obj && obj.nodeType == 1);\n};\n\n// http://stackoverflow.com/questions/105034/how-to-create-a-guid-uuid-in-javascript\nfunction uuid() {\n  var d = new Date().getTime();\n  var uuid = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {\n      var r = (d + Math.random()*16)%16 | 0;\n      d = Math.floor(d/16);\n      return (c=='x' ? r : (r&0x7|0x8)).toString(16);\n  });\n  return uuid;\n};\n\n// From Lodash\nfunction values(object) {\n  var index = -1,\n      props = Object.keys(object),\n      length = props.length,\n      result = Array(length);\n\n  while (++index < length) {\n    result[index] = object[props[index]];\n  }\n  return result;\n};\n\nfunction resolveUrl(base, path) {\n  var url = [],\n    segments = [],\n    baseUri = uri(base),\n    pathUri = uri(path),\n    baseDirectory = baseUri.directory,\n    pathDirectory = pathUri.directory,\n    directories = [],\n    // folders = base.split(\"/\"),\n    paths;\n\n  // if(uri.host) {\n  //   return path;\n  // }\n\n  if(baseDirectory[0] === \"/\") {\n    baseDirectory = baseDirectory.substring(1);\n  }\n\n  if(pathDirectory[pathDirectory.length-1] === \"/\") {\n    baseDirectory = baseDirectory.substring(0, baseDirectory.length-1);\n  }\n\n  if(pathDirectory[0] === \"/\") {\n    pathDirectory = pathDirectory.substring(1);\n  }\n\n  if(pathDirectory[pathDirectory.length-1] === \"/\") {\n    pathDirectory = pathDirectory.substring(0, pathDirectory.length-1);\n  }\n\n  if(baseDirectory) {\n    directories = baseDirectory.split(\"/\");\n  }\n\n  paths = pathDirectory.split(\"/\");\n\n  paths.reverse().forEach(function(part, index){\n    if(part === \"..\"){\n      directories.pop();\n    } else if(part === directories[directories.length-1]) {\n      directories.pop();\n      segments.unshift(part);\n    } else {\n      segments.unshift(part);\n    }\n  });\n\n  url = [baseUri.origin];\n\n  if(directories.length) {\n    url = url.concat(directories);\n  }\n\n  if(segments) {\n    url = url.concat(segments);\n  }\n\n  url = url.concat(pathUri.filename);\n\n  return url.join(\"/\");\n};\n\nfunction documentHeight() {\n  return Math.max(\n      document.documentElement.clientHeight,\n      document.body.scrollHeight,\n      document.documentElement.scrollHeight,\n      document.body.offsetHeight,\n      document.documentElement.offsetHeight\n  );\n};\n\nfunction isNumber(n) {\n  return !isNaN(parseFloat(n)) && isFinite(n);\n};\n\nfunction prefixed(unprefixed) {\n  var vendors = [\"Webkit\", \"Moz\", \"O\", \"ms\" ],\n    prefixes = ['-Webkit-', '-moz-', '-o-', '-ms-'],\n    upper = unprefixed[0].toUpperCase() + unprefixed.slice(1),\n    length = vendors.length;\n\n  if (typeof(document.body.style[unprefixed]) != 'undefined') {\n    return unprefixed;\n  }\n\n  for ( var i=0; i < length; i++ ) {\n    if (typeof(document.body.style[vendors[i] + upper]) != 'undefined') {\n      return vendors[i] + upper;\n    }\n  }\n\n  return unprefixed;\n};\n\nfunction defaults(obj) {\n  for (var i = 1, length = arguments.length; i < length; i++) {\n    var source = arguments[i];\n    for (var prop in source) {\n      if (obj[prop] === void 0) obj[prop] = source[prop];\n    }\n  }\n  return obj;\n};\n\nfunction extend(target) {\n    var sources = [].slice.call(arguments, 1);\n    sources.forEach(function (source) {\n      if(!source) return;\n      Object.getOwnPropertyNames(source).forEach(function(propName) {\n        Object.defineProperty(target, propName, Object.getOwnPropertyDescriptor(source, propName));\n      });\n    });\n    return target;\n};\n\n// Fast quicksort insert for sorted array -- based on:\n// http://stackoverflow.com/questions/1344500/efficient-way-to-insert-a-number-into-a-sorted-array-of-numbers\nfunction insert(item, array, compareFunction) {\n  var location = locationOf(item, array, compareFunction);\n  array.splice(location, 0, item);\n\n  return location;\n};\n// Returns where something would fit in\nfunction locationOf(item, array, compareFunction, _start, _end) {\n  var start = _start || 0;\n  var end = _end || array.length;\n  var pivot = parseInt(start + (end - start) / 2);\n  var compared;\n  if(!compareFunction){\n    compareFunction = function(a, b) {\n      if(a > b) return 1;\n      if(a < b) return -1;\n      if(a = b) return 0;\n    };\n  }\n  if(end-start <= 0) {\n    return pivot;\n  }\n\n  compared = compareFunction(array[pivot], item);\n  if(end-start === 1) {\n    return compared > 0 ? pivot : pivot + 1;\n  }\n\n  if(compared === 0) {\n    return pivot;\n  }\n  if(compared === -1) {\n    return locationOf(item, array, compareFunction, pivot, end);\n  } else{\n    return locationOf(item, array, compareFunction, start, pivot);\n  }\n};\n// Returns -1 of mpt found\nfunction indexOfSorted(item, array, compareFunction, _start, _end) {\n  var start = _start || 0;\n  var end = _end || array.length;\n  var pivot = parseInt(start + (end - start) / 2);\n  var compared;\n  if(!compareFunction){\n    compareFunction = function(a, b) {\n      if(a > b) return 1;\n      if(a < b) return -1;\n      if(a = b) return 0;\n    };\n  }\n  if(end-start <= 0) {\n    return -1; // Not found\n  }\n\n  compared = compareFunction(array[pivot], item);\n  if(end-start === 1) {\n    return compared === 0 ? pivot : -1;\n  }\n  if(compared === 0) {\n    return pivot; // Found\n  }\n  if(compared === -1) {\n    return indexOfSorted(item, array, compareFunction, pivot, end);\n  } else{\n    return indexOfSorted(item, array, compareFunction, start, pivot);\n  }\n};\n\nfunction bounds(el) {\n\n  var style = window.getComputedStyle(el);\n  var widthProps = [\"width\", \"paddingRight\", \"paddingLeft\", \"marginRight\", \"marginLeft\", \"borderRightWidth\", \"borderLeftWidth\"];\n  var heightProps = [\"height\", \"paddingTop\", \"paddingBottom\", \"marginTop\", \"marginBottom\", \"borderTopWidth\", \"borderBottomWidth\"];\n\n  var width = 0;\n  var height = 0;\n\n  widthProps.forEach(function(prop){\n    width += parseFloat(style[prop]) || 0;\n  });\n\n  heightProps.forEach(function(prop){\n    height += parseFloat(style[prop]) || 0;\n  });\n\n  return {\n    height: height,\n    width: width\n  };\n\n};\n\nfunction borders(el) {\n\n  var style = window.getComputedStyle(el);\n  var widthProps = [\"paddingRight\", \"paddingLeft\", \"marginRight\", \"marginLeft\", \"borderRightWidth\", \"borderLeftWidth\"];\n  var heightProps = [\"paddingTop\", \"paddingBottom\", \"marginTop\", \"marginBottom\", \"borderTopWidth\", \"borderBottomWidth\"];\n\n  var width = 0;\n  var height = 0;\n\n  widthProps.forEach(function(prop){\n    width += parseFloat(style[prop]) || 0;\n  });\n\n  heightProps.forEach(function(prop){\n    height += parseFloat(style[prop]) || 0;\n  });\n\n  return {\n    height: height,\n    width: width\n  };\n\n};\n\nfunction windowBounds() {\n\n  var width = window.innerWidth;\n  var height = window.innerHeight;\n\n  return {\n    top: 0,\n    left: 0,\n    right: width,\n    bottom: height,\n    width: width,\n    height: height\n  };\n\n};\n\n//https://stackoverflow.com/questions/13482352/xquery-looking-for-text-with-single-quote/13483496#13483496\nfunction cleanStringForXpath(str)  {\n    var parts = str.match(/[^'\"]+|['\"]/g);\n    parts = parts.map(function(part){\n        if (part === \"'\")  {\n            return '\\\"\\'\\\"'; // output \"'\"\n        }\n\n        if (part === '\"') {\n            return \"\\'\\\"\\'\"; // output '\"'\n        }\n        return \"\\'\" + part + \"\\'\";\n    });\n    return \"concat(\\'\\',\" + parts.join(\",\") + \")\";\n};\n\nfunction indexOfTextNode(textNode){\n  var parent = textNode.parentNode;\n  var children = parent.childNodes;\n  var sib;\n  var index = -1;\n  for (var i = 0; i < children.length; i++) {\n    sib = children[i];\n    if(sib.nodeType === Node.TEXT_NODE){\n      index++;\n    }\n    if(sib == textNode) break;\n  }\n\n  return index;\n};\n\nfunction isXml(ext) {\n  return ['xml', 'opf', 'ncx'].indexOf(ext) > -1;\n}\n\nfunction createBlobUrl(content, mime){\n\tvar _URL = window.URL || window.webkitURL || window.mozURL;\n\tvar tempUrl;\n\tvar blob = new Blob([content], {type : mime });\n\n  tempUrl = _URL.createObjectURL(blob);\n\n  return tempUrl;\n};\n\nmodule.exports = {\n  // 'uri': uri,\n  // 'folder': folder,\n  'isElement': isElement,\n  'uuid': uuid,\n  'values': values,\n  'resolveUrl': resolveUrl,\n  'indexOfSorted': indexOfSorted,\n  'documentHeight': documentHeight,\n  'isNumber': isNumber,\n  'prefixed': prefixed,\n  'defaults': defaults,\n  'extend': extend,\n  'insert': insert,\n  'locationOf': locationOf,\n  'indexOfSorted': indexOfSorted,\n  'requestAnimationFrame': requestAnimationFrame,\n  'bounds': bounds,\n  'borders': borders,\n  'windowBounds': windowBounds,\n  'cleanStringForXpath': cleanStringForXpath,\n  'indexOfTextNode': indexOfTextNode,\n  'isXml': isXml,\n  'createBlobUrl': createBlobUrl\n};\n","var URI = require('urijs');\nvar core = require('./core');\n\n/**\n  EPUB CFI spec: http://www.idpf.org/epub/linking/cfi/epub-cfi.html\n\n  Implements:\n  - Character Offset: epubcfi(/6/4[chap01ref]!/4[body01]/10[para05]/2/1:3)\n  - Simple Ranges : epubcfi(/6/4[chap01ref]!/4[body01]/10[para05],/2/1:1,/3:4)\n\n  Does Not Implement:\n  - Temporal Offset (~)\n  - Spatial Offset (@)\n  - Temporal-Spatial Offset (~ + @)\n  - Text Location Assertion ([)\n*/\n\nfunction EpubCFI(cfiFrom, base, options){\n  var type;\n  this.options = {\n    ignoreClass: 'annotator-hl'\n  };\n\n  this.str = '';\n\n  this.base = {};\n  this.spinePos = 0; // For compatibility\n\n  this.range = false; // true || false;\n\n  this.path = {};\n  this.start = null;\n  this.end = null;\n\n  // Allow instantiation without the 'new' keyword\n  if (!(this instanceof EpubCFI)) {\n    return new EpubCFI(cfiFrom, base, options);\n  }\n\n  // Find options\n  for (var i = 1, length = arguments.length; i < length; i++) {\n    if(typeof arguments[i] === 'object' && (arguments[i].ignoreClass)) {\n      core.extend(this.options, arguments[i]);\n    }\n  }\n\n\n  /* TODO: maybe accept object that includes:\n    {\n      spineNodeIndex: <int>\n      index: <int>\n      idref: <string:optional>\n    }\n  }\n  */\n  if(typeof base === 'string') {\n    this.base = this.parseComponent(base);\n  } else if(typeof base === 'object' && base.steps) {\n    this.base = base;\n  }\n\n  type = this.checkType(cfiFrom);\n\n\n  if(type === 'string') {\n    this.str = cfiFrom;\n    return core.extend(this, this.parse(cfiFrom));\n  } else if (type === 'range') {\n    this.fromRange(cfiFrom);\n  } else if (type === 'node') {\n    this.fromNode(cfiFrom);\n  } else if (type === 'EpubCFI') {\n    return cfiFrom;\n  } else {\n    throw new TypeError('not a valid argument for EpubCFI');\n  }\n\n  return this;\n};\n\nEpubCFI.prototype.checkType = function(cfi) {\n  // is a cfi string, should be wrapped with \"epubcfi()\"\n  if (typeof cfi === 'string' &&\n      cfi.indexOf(\"epubcfi(\") === 0 &&\n      cfi[cfi.length-1] === \")\") {\n    return 'string';\n  // Is a range object\n  } else if (typeof cfi === 'object' && cfi.startContainer && cfi.startOffset){\n    return 'range';\n  } else if (typeof cfi === 'object' && cfi.nodeType){ // || typeof cfi === 'function'\n    return 'node';\n  } else if (typeof cfi === 'object' && cfi instanceof EpubCFI){\n    return 'EpubCFI';\n  } else {\n    return false;\n  }\n};\n\nEpubCFI.prototype.parse = function(cfiStr) {\n  var cfi = {\n      spinePos: -1,\n      range: false,\n      base: {},\n      path: {},\n      start: null,\n      end: null\n    };\n  var baseComponent, pathComponent, range;\n\n  if(typeof cfiStr !== \"string\") {\n    return {spinePos: -1};\n  }\n\n  if(cfiStr.indexOf(\"epubcfi(\") === 0 && cfiStr[cfiStr.length-1] === \")\") {\n    // Remove intial epubcfi( and ending )\n    cfiStr = cfiStr.slice(8, cfiStr.length-1);\n  }\n\n  baseComponent = this.getChapterComponent(cfiStr);\n\n  // Make sure this is a valid cfi or return\n  if(!baseComponent) {\n    return {spinePos: -1};\n  }\n\n  cfi.base = this.parseComponent(baseComponent);\n\n  pathComponent = this.getPathComponent(cfiStr);\n  cfi.path = this.parseComponent(pathComponent);\n\n  range = this.getRange(cfiStr);\n\n  if(range) {\n    cfi.range = true;\n    cfi.start = this.parseComponent(range[0]);\n    cfi.end = this.parseComponent(range[1]);\n  }\n\n  // Get spine node position\n  // cfi.spineSegment = cfi.base.steps[1];\n\n  // Chapter segment is always the second step\n  cfi.spinePos = cfi.base.steps[1].index;\n\n  return cfi;\n};\n\nEpubCFI.prototype.parseComponent = function(componentStr){\n  var component = {\n    steps: [],\n    terminal: null\n  };\n  var parts = componentStr.split(':');\n  var steps = parts[0].split('/');\n  var terminal;\n\n  if(parts.length > 1) {\n    terminal = parts[1];\n    component.terminal = this.parseTerminal(terminal);\n  }\n\n  if (steps[0] === '') {\n    steps.shift(); // Ignore the first slash\n  }\n\n  component.steps = steps.map(function(step){\n    return this.parseStep(step);\n  }.bind(this));\n\n  return component;\n};\n\nEpubCFI.prototype.parseStep = function(stepStr){\n  var type, num, index, has_brackets, id;\n\n  has_brackets = stepStr.match(/\\[(.*)\\]/);\n  if(has_brackets && has_brackets[1]){\n    id = has_brackets[1];\n  }\n\n  //-- Check if step is a text node or element\n  num = parseInt(stepStr);\n\n  if(isNaN(num)) {\n    return;\n  }\n\n  if(num % 2 === 0) { // Even = is an element\n    type = \"element\";\n    index = num / 2 - 1;\n  } else {\n    type = \"text\";\n    index = (num - 1 ) / 2;\n  }\n\n  return {\n    \"type\" : type,\n    'index' : index,\n    'id' : id || null\n  };\n};\n\nEpubCFI.prototype.parseTerminal = function(termialStr){\n  var characterOffset, textLocationAssertion;\n  var assertion = termialStr.match(/\\[(.*)\\]/);\n\n  if(assertion && assertion[1]){\n    characterOffset = parseInt(termialStr.split('[')[0]);\n    textLocationAssertion = assertion[1];\n  } else {\n    characterOffset = parseInt(termialStr);\n  }\n\n  return {\n    'offset': characterOffset,\n    'assertion': textLocationAssertion\n  };\n\n};\n\nEpubCFI.prototype.getChapterComponent = function(cfiStr) {\n\n  var indirection = cfiStr.split(\"!\");\n\n  return indirection[0];\n};\n\nEpubCFI.prototype.getPathComponent = function(cfiStr) {\n\n  var indirection = cfiStr.split(\"!\");\n\n  if(indirection[1]) {\n    ranges = indirection[1].split(',');\n    return ranges[0];\n  }\n\n};\n\nEpubCFI.prototype.getRange = function(cfiStr) {\n\n  var ranges = cfiStr.split(\",\");\n\n  if(ranges.length === 3){\n    return [\n      ranges[1],\n      ranges[2]\n    ];\n  }\n\n  return false;\n};\n\nEpubCFI.prototype.getCharecterOffsetComponent = function(cfiStr) {\n  var splitStr = cfiStr.split(\":\");\n  return splitStr[1] || '';\n};\n\nEpubCFI.prototype.joinSteps = function(steps) {\n  return steps.map(function(part){\n    var segment = '';\n\n    if(part.type === 'element') {\n      segment += (part.index + 1) * 2;\n    }\n\n    if(part.type === 'text') {\n      segment += 1 + (2 * part.index); // TODO: double check that this is odd\n    }\n\n    if(part.id) {\n      segment += \"[\" + part.id + \"]\";\n    }\n\n    return segment;\n\n  }).join('/');\n\n};\n\nEpubCFI.prototype.segmentString = function(segment) {\n  var segmentString = '/';\n\n  segmentString += this.joinSteps(segment.steps);\n\n  if(segment.terminal && segment.terminal.offset){\n    segmentString += ':' + segment.terminal.offset;\n  }\n\n  if(segment.terminal && segment.terminal.assertion){\n    segmentString += '[' + segment.terminal.assertion + ']';\n  }\n\n  return segmentString;\n};\n\nEpubCFI.prototype.toString = function() {\n  var cfiString = 'epubcfi(';\n\n  cfiString += this.segmentString(this.base);\n\n  cfiString += '!';\n  cfiString += this.segmentString(this.path);\n\n  // Add Range, if present\n  if(this.start) {\n    cfiString += ',';\n    cfiString += this.segmentString(this.start);\n  }\n\n  if(this.end) {\n    cfiString += ',';\n    cfiString += this.segmentString(this.end);\n  }\n\n  cfiString += \")\";\n\n  return cfiString;\n};\n\nmodule.exports = EpubCFI;\n","var RSVP = require('rsvp');\n\n//-- Hooks allow for injecting functions that must all complete in order before finishing\n//   They will execute in parallel but all must finish before continuing\n//   Functions may return a promise if they are asycn.\n\n// this.content = new EPUBJS.Hook();\n// this.content.register(function(){});\n// this.content.trigger(args).then(function(){});\n\nfunction Hook(context){\n  this.context = context || this;\n  this.hooks = [];\n};\n\n// Adds a function to be run before a hook completes\nHook.prototype.register = function(){\n  for(var i = 0; i < arguments.length; ++i) {\n    if (typeof arguments[i]  === \"function\") {\n      this.hooks.push(arguments[i]);\n    } else {\n      // unpack array\n      for(var j = 0; j < arguments[i].length; ++j) {\n        this.hooks.push(arguments[i][j]);\n      }\n    }\n  }\n};\n\n// Triggers a hook to run all functions\nHook.prototype.trigger = function(){\n  var args = arguments;\n  var context = this.context;\n  var promises = [];\n\n  this.hooks.forEach(function(task, i) {\n    var executing = task.apply(context, args);\n\n    if(executing && typeof executing[\"then\"] === \"function\") {\n      // Task is a function that returns a promise\n      promises.push(executing);\n    }\n    // Otherwise Task resolves immediately, continue\n  });\n\n\n  return RSVP.all(promises);\n};\n\n// Adds a function to be run before a hook completes\nHook.prototype.list = function(){\n  return this.hooks;\n};\n\nmodule.exports = Hook;\n","var core = require('./core');\n\nfunction Reflowable(){\n\n};\n\nReflowable.prototype.calculate = function(_width, _height, _gap, _devisor){\n\n  var divisor = _devisor || 1;\n\n  //-- Check the width and create even width columns\n  var fullWidth = Math.floor(_width);\n  var width = (fullWidth % 2 === 0) ? fullWidth : fullWidth - 1;\n\n  var section = Math.floor(width / 8);\n  var gap = (_gap >= 0) ? _gap : ((section % 2 === 0) ? section : section - 1);\n\n  var colWidth;\n  var spreadWidth;\n  var delta;\n\n  //-- Double Page\n  if(divisor > 1) {\n    colWidth = Math.floor((width - gap) / divisor);\n  } else {\n    colWidth = width;\n  }\n\n  spreadWidth = colWidth * divisor;\n\n  delta = (colWidth + gap) * divisor;\n\n\n\n  this.columnAxis = core.prefixed('columnAxis');\n  this.columnGap = core.prefixed('columnGap');\n  this.columnWidth = core.prefixed('columnWidth');\n  this.columnFill = core.prefixed('columnFill');\n\n  this.width = width;\n  this.height = _height;\n  this.spread = spreadWidth;\n  this.delta = delta;\n\n  this.column = colWidth;\n  this.gap = gap;\n  this.divisor = divisor;\n\n};\n\nReflowable.prototype.format = function(view){\n\n  var $doc = view.document.documentElement;\n  var $body = view.document.body;//view.document.querySelector(\"body\");\n\n  $doc.style.overflow = \"hidden\";\n\n  // Must be set to the new calculated width or the columns will be off\n  // $body.style.width = this.width + \"px\";\n  $doc.style.width = this.width + \"px\";\n\n  //-- Adjust height\n  $body.style.height = this.height + \"px\";\n\n  //-- Add columns\n  $body.style[this.columnAxis] = \"horizontal\";\n  $body.style[this.columnFill] = \"auto\";\n  $body.style[this.columnGap] = this.gap+\"px\";\n  $body.style[this.columnWidth] = this.column+\"px\";\n\n  // Add extra padding for the gap between this and the next view\n  view.iframe.style.marginRight = this.gap+\"px\";\n};\n\nReflowable.prototype.count = function(view) {\n  var totalWidth = view.root().scrollWidth;\n  var spreads = Math.ceil(totalWidth / this.spread);\n\n  return {\n    spreads : spreads,\n    pages : spreads * this.divisor\n  };\n};\n\nfunction Fixed(_width, _height){\n\n};\n\nFixed.prototype.calculate = function(_width, _height){\n\n};\n\nFixed.prototype.format = function(view){\n  var width, height;\n\n  var $doc = view.document.documentElement;\n  var $viewport = documentElement.querySelector(\"[name=viewport\");\n\n  /**\n  * check for the viewport size\n  * <meta name=\"viewport\" content=\"width=1024,height=697\" />\n  */\n  if($viewport && $viewport.hasAttribute(\"content\")) {\n    content = $viewport.getAttribute(\"content\");\n    contents = content.split(',');\n    if(contents[0]){\n      width = contents[0].replace(\"width=\", '');\n    }\n    if(contents[1]){\n      height = contents[1].replace(\"height=\", '');\n    }\n  }\n\n  //-- Adjust width and height\n  // $doc.style.width =  width + \"px\" || \"auto\";\n  // $doc.style.height =  height + \"px\" || \"auto\";\n  view.resize(width, height);\n\n  //-- Scroll\n  $doc.style.overflow = \"auto\";\n\n};\n\nFixed.prototype.count = function(){\n  return {\n    spreads : 1,\n    pages : 1\n  };\n};\n\nfunction Scroll(){\n\n};\n\nScroll.prototype.calculate = function(_width, _height){\n  this.spread = _width;\n  this.column = _width;\n  this.gap = 0;\n};\n\nScroll.prototype.format = function(view){\n\n  var $doc = view.document.documentElement;\n\n  $doc.style.width = \"auto\";\n  $doc.style.height = \"auto\";\n\n};\n\nScroll.prototype.count = function(){\n  return {\n    spreads : 1,\n    pages : 1\n  };\n};\n\nmodule.exports = {\n  'Reflowable': Reflowable,\n  'Fixed': Fixed,\n  'Scroll': Scroll\n};\n","var core = require('./core');\nvar Queue = require('./queue');\nvar EpubCFI = require('./epubcfi');\nvar RSVP = require('rsvp');\n\nfunction Locations(spine, request) {\n  this.spine = spine;\n  this.request = request;\n\n  this.q = new Queue(this);\n  this.epubcfi = new EpubCFI();\n\n  this._locations = [];\n  this.total = 0;\n\n  this.break = 150;\n\n  this._current = 0;\n\n};\n\n// Load all of sections in the book\nLocations.prototype.generate = function(chars) {\n\n  if (chars) {\n    this.break = chars;\n  }\n\n  this.q.pause();\n\n  this.spine.each(function(section) {\n\n    this.q.enqueue(this.process, section);\n\n  }.bind(this));\n\n  return this.q.run().then(function() {\n    this.total = this._locations.length-1;\n\n    if (this._currentCfi) {\n      this.currentLocation = this._currentCfi;\n    }\n\n    return this._locations;\n    // console.log(this.precentage(this.book.rendition.location.start), this.precentage(this.book.rendition.location.end));\n  }.bind(this));\n\n};\n\nLocations.prototype.process = function(section) {\n\n  return section.load(this.request)\n    .then(function(contents) {\n\n      var range;\n      var doc = contents.ownerDocument;\n      var counter = 0;\n\n      this.sprint(contents, function(node) {\n        var len = node.length;\n        var dist;\n        var pos = 0;\n\n        // Start range\n        if (counter == 0) {\n          range = doc.createRange();\n          range.setStart(node, 0);\n        }\n\n        dist = this.break - counter;\n\n        // Node is smaller than a break\n        if(dist > len){\n          counter += len;\n          pos = len;\n        }\n\n        while (pos < len) {\n          counter = this.break;\n          pos += this.break;\n\n          // Gone over\n          if(pos >= len){\n            // Continue counter for next node\n            counter = len - (pos - this.break);\n\n          // At End\n          } else {\n            // End the previous range\n            range.setEnd(node, pos);\n            cfi = section.cfiFromRange(range);\n            this._locations.push(cfi);\n            counter = 0;\n\n            // Start new range\n            pos += 1;\n            range = doc.createRange();\n            range.setStart(node, pos);\n          }\n        }\n\n\n\n      }.bind(this));\n\n      // Close remaining\n      if (range) {\n        range.setEnd(prev, prev.length);\n        cfi = section.cfiFromRange(range);\n        this._locations.push(cfi)\n        counter = 0;\n      }\n\n    }.bind(this));\n\n};\n\nLocations.prototype.sprint = function(root, func) {\n\tvar treeWalker = document.createTreeWalker(root, NodeFilter.SHOW_TEXT, null, false);\n\n\twhile ((node = treeWalker.nextNode())) {\n\t\tfunc(node);\n\t}\n\n};\n\nLocations.prototype.locationFromCfi = function(cfi){\n  // Check if the location has not been set yet\n\tif(this._locations.length === 0) {\n\t\treturn -1;\n\t}\n\n  return core.locationOf(cfi, this._locations, this.epubcfi.compare);\n};\n\nLocations.prototype.precentageFromCfi = function(cfi) {\n  // Find closest cfi\n  var loc = this.locationFromCfi(cfi);\n  // Get percentage in total\n  return this.precentageFromLocation(loc);\n};\n\nLocations.prototype.percentageFromLocation = function(loc) {\n  if (!loc || !this.total) {\n    return 0;\n  }\n  return (loc / this.total);\n};\n\nLocations.prototype.cfiFromLocation = function(loc){\n\tvar cfi = -1;\n\t// check that pg is an int\n\tif(typeof loc != \"number\"){\n\t\tloc = parseInt(pg);\n\t}\n\n\tif(loc >= 0 && loc < this._locations.length) {\n\t\tcfi = this._locations[loc];\n\t}\n\n\treturn cfi;\n};\n\nLocations.prototype.cfiFromPercentage = function(value){\n  var percentage = (value > 1) ? value / 100 : value; // Normalize value to 0-1\n\tvar loc = Math.ceil(this.total * percentage);\n\n\treturn this.cfiFromLocation(loc);\n};\n\nLocations.prototype.load = function(locations){\n\tthis._locations = JSON.parse(locations);\n  this.total = this._locations.length-1;\n  return this._locations;\n};\n\nLocations.prototype.save = function(json){\n\treturn JSON.stringify(this._locations);\n};\n\nLocations.prototype.getCurrent = function(json){\n\treturn this._current;\n};\n\nLocations.prototype.setCurrent = function(curr){\n  var loc;\n\n  if(typeof curr == \"string\"){\n    this._currentCfi = curr;\n  } else if (typeof curr == \"number\") {\n    this._current = curr;\n  } else {\n    return;\n  }\n\n  if(this._locations.length === 0) {\n    return;\n\t}\n\n  if(typeof curr == \"string\"){\n    loc = this.locationFromCfi(curr);\n    this._current = loc;\n  } else {\n    loc = curr;\n  }\n\n  this.trigger(\"changed\", {\n    percentage: this.precentageFromLocation(loc)\n  });\n};\n\nObject.defineProperty(Locations.prototype, 'currentLocation', {\n  get: function () {\n    return this._current;\n  },\n  set: function (curr) {\n    this.setCurrent(curr);\n  }\n});\n\nRSVP.EventTarget.mixin(Locations.prototype);\n\nmodule.exports = Locations;\n","function Map(layout){\n  this.layout = layout;\n};\n\nMap.prototype.section = function(view) {\n  var ranges = this.findRanges(view);\n  var map = this.rangeListToCfiList(view, ranges);\n\n  return map;\n};\n\nMap.prototype.page = function(view, start, end) {\n  var root = view.document.body;\n  return this.rangePairToCfiPair(view.section, {\n    start: this.findStart(root, start, end),\n    end: this.findEnd(root, start, end)\n  });\n};\n\nMap.prototype.walk = function(root, func) {\n  //var treeWalker = document.createTreeWalker(root, NodeFilter.SHOW_ELEMENT + NodeFilter.SHOW_TEXT, null, false);\n  var treeWalker = document.createTreeWalker(root, NodeFilter.SHOW_TEXT, {\n      acceptNode: function (node) {\n          if ( node.data.trim().length > 0 ) {\n            return NodeFilter.FILTER_ACCEPT;\n          } else {\n            return NodeFilter.FILTER_REJECT;\n          }\n      }\n  }, false);\n  var node;\n  var result;\n  while ((node = treeWalker.nextNode())) {\n    result = func(node);\n    if(result) break;\n  }\n\n  return result;\n};\n\nMap.prototype.findRanges = function(view){\n  var columns = [];\n  var count = this.layout.count(view);\n  var column = this.layout.column;\n  var gap = this.layout.gap;\n  var start, end;\n\n  for (var i = 0; i < count.pages; i++) {\n    start = (column + gap) * i;\n    end = (column * (i+1)) + (gap * i);\n    columns.push({\n      start: this.findStart(view.document.body, start, end),\n      end: this.findEnd(view.document.body, start, end)\n    });\n  }\n\n  return columns;\n};\n\nMap.prototype.findStart = function(root, start, end){\n  var stack = [root];\n  var $el;\n  var found;\n  var $prev = root;\n  while (stack.length) {\n\n    $el = stack.shift();\n\n    found = this.walk($el, function(node){\n      var left, right;\n      var elPos;\n      var elRange;\n\n\n      if(node.nodeType == Node.TEXT_NODE){\n        elRange = document.createRange();\n        elRange.selectNodeContents(node);\n        elPos = elRange.getBoundingClientRect();\n      } else {\n        elPos = node.getBoundingClientRect();\n      }\n\n      left = elPos.left;\n      right = elPos.right;\n\n      if( left >= start && left <= end ) {\n        return node;\n      } else if (right > start) {\n        return node;\n      } else {\n        $prev = node;\n        stack.push(node);\n      }\n\n    });\n\n    if(found) {\n      return this.findTextStartRange(found, start, end);\n    }\n\n  }\n\n  // Return last element\n  return this.findTextStartRange($prev, start, end);\n};\n\nMap.prototype.findEnd = function(root, start, end){\n  var stack = [root];\n  var $el;\n  var $prev = root;\n  var found;\n\n  while (stack.length) {\n\n    $el = stack.shift();\n\n    found = this.walk($el, function(node){\n\n      var left, right;\n      var elPos;\n      var elRange;\n\n\n      if(node.nodeType == Node.TEXT_NODE){\n        elRange = document.createRange();\n        elRange.selectNodeContents(node);\n        elPos = elRange.getBoundingClientRect();\n      } else {\n        elPos = node.getBoundingClientRect();\n      }\n\n      left = elPos.left;\n      right = elPos.right;\n\n      if(left > end && $prev) {\n        return $prev;\n      } else if(right > end) {\n        return node;\n      } else {\n        $prev = node;\n        stack.push(node);\n      }\n\n    });\n\n\n    if(found){\n      return this.findTextEndRange(found, start, end);\n    }\n\n  }\n\n  // end of chapter\n  return this.findTextEndRange($prev, start, end);\n};\n\n\nMap.prototype.findTextStartRange = function(node, start, end){\n  var ranges = this.splitTextNodeIntoRanges(node);\n  var prev;\n  var range;\n  var pos;\n\n  for (var i = 0; i < ranges.length; i++) {\n    range = ranges[i];\n\n    pos = range.getBoundingClientRect();\n\n    if( pos.left >= start ) {\n      return range;\n    }\n\n    prev = range;\n\n  }\n\n  return ranges[0];\n};\n\nMap.prototype.findTextEndRange = function(node, start, end){\n  var ranges = this.splitTextNodeIntoRanges(node);\n  var prev;\n  var range;\n  var pos;\n\n  for (var i = 0; i < ranges.length; i++) {\n    range = ranges[i];\n\n    pos = range.getBoundingClientRect();\n\n    if(pos.left > end && prev) {\n      return prev;\n    } else if(pos.right > end) {\n      return range;\n    }\n\n    prev = range;\n\n  }\n\n  // Ends before limit\n  return ranges[ranges.length-1];\n\n};\n\nMap.prototype.splitTextNodeIntoRanges = function(node, _splitter){\n  var ranges = [];\n  var textContent = node.textContent || \"\";\n  var text = textContent.trim();\n  var range;\n  var rect;\n  var list;\n  var doc = node.ownerDocument;\n  var splitter = _splitter || \" \";\n\n  pos = text.indexOf(splitter);\n\n  if(pos === -1 || node.nodeType != Node.TEXT_NODE) {\n    range = doc.createRange();\n    range.selectNodeContents(node);\n    return [range];\n  }\n\n  range = doc.createRange();\n  range.setStart(node, 0);\n  range.setEnd(node, pos);\n  ranges.push(range);\n  range = false;\n\n  while ( pos != -1 ) {\n\n    pos = text.indexOf(splitter, pos + 1);\n    if(pos > 0) {\n\n      if(range) {\n        range.setEnd(node, pos);\n        ranges.push(range);\n      }\n\n      range = doc.createRange();\n      range.setStart(node, pos+1);\n    }\n  }\n\n  if(range) {\n    range.setEnd(node, text.length);\n    ranges.push(range);\n  }\n\n  return ranges;\n};\n\n\n\nMap.prototype.rangePairToCfiPair = function(section, rangePair){\n\n  var startRange = rangePair.start;\n  var endRange = rangePair.end;\n\n  startRange.collapse(true);\n  endRange.collapse(true);\n\n  startCfi = section.cfiFromRange(startRange);\n  endCfi = section.cfiFromRange(endRange);\n\n  return {\n    start: startCfi,\n    end: endCfi\n  };\n\n};\n\nMap.prototype.rangeListToCfiList = function(view, columns){\n  var map = [];\n  var rangePair, cifPair;\n\n  for (var i = 0; i < columns.length; i++) {\n    cifPair = this.rangePairToCfiPair(view.section, columns[i]);\n\n    map.push(cifPair);\n\n  }\n\n  return map;\n};\n\nmodule.exports = Map;\n","var core = require('./core');\nvar Parser = require('./parser');\nvar RSVP = require('rsvp');\nvar URI = require('urijs');\n\nfunction Navigation(_package, _request){\n  var navigation = this;\n  var parse = new Parser();\n  var request = _request || require('./request');\n\n  this.package = _package;\n  this.toc = [];\n  this.tocByHref = {};\n  this.tocById = {};\n\n  if(_package.navPath) {\n    this.navUrl = URI(_package.navPath).absoluteTo(_package.baseUrl).toString();\n    this.nav = {};\n\n    this.nav.load = function(_request){\n      var loading = new RSVP.defer();\n      var loaded = loading.promise;\n\n      request(navigation.navUrl, 'xml').then(function(xml){\n        navigation.toc = parse.nav(xml);\n        navigation.loaded(navigation.toc);\n        loading.resolve(navigation.toc);\n      });\n\n      return loaded;\n    };\n\n  }\n\n  if(_package.ncxPath) {\n    this.ncxUrl = URI(_package.ncxPath).absoluteTo(_package.baseUrl).toString();\n    this.ncx = {};\n\n    this.ncx.load = function(_request){\n      var loading = new RSVP.defer();\n      var loaded = loading.promise;\n\n      request(navigation.ncxUrl, 'xml').then(function(xml){\n        navigation.toc = parse.ncx(xml);\n        navigation.loaded(navigation.toc);\n        loading.resolve(navigation.toc);\n      });\n\n      return loaded;\n    };\n\n  }\n};\n\n// Load the navigation\nNavigation.prototype.load = function(_request) {\n  var request = _request || require('./request');\n  var loading, loaded;\n\n  if(this.nav) {\n    loading = this.nav.load();\n  } else if(this.ncx) {\n    loading = this.ncx.load();\n  } else {\n    loaded = new RSVP.defer();\n    loaded.resolve([]);\n    loading = loaded.promise;\n  }\n\n  return loading;\n\n};\n\nNavigation.prototype.loaded = function(toc) {\n  var item;\n\n  for (var i = 0; i < toc.length; i++) {\n    item = toc[i];\n    this.tocByHref[item.href] = i;\n    this.tocById[item.id] = i;\n  }\n\n};\n\n// Get an item from the navigation\nNavigation.prototype.get = function(target) {\n  var index;\n\n  if(!target) {\n    return this.toc;\n  }\n\n  if(target.indexOf(\"#\") === 0) {\n    index = this.tocById[target.substring(1)];\n  } else if(target in this.tocByHref){\n    index = this.tocByHref[target];\n  }\n\n  return this.toc[index];\n};\n\nmodule.exports = Navigation;\n","var RSVP = require('rsvp');\nvar core = require('./core');\nvar Continuous = require('./continuous');\nvar Map = require('./map');\nvar Layout = require('./layout');\n\nfunction Paginate(book, options) {\n\n  Continuous.apply(this, arguments);\n\n  this.settings = core.extend(this.settings || {}, {\n    width: 600,\n    height: 400,\n    axis: \"horizontal\",\n    forceSingle: false,\n    minSpreadWidth: 800, //-- overridden by spread: none (never) / both (always)\n    gap: \"auto\", //-- \"auto\" or int\n    overflow: \"hidden\",\n    infinite: false\n  });\n\n  core.extend(this.settings, options);\n\n  this.isForcedSingle = this.settings.forceSingle;\n\n  this.viewSettings = {\n    axis: this.settings.axis\n  };\n\n  this.start();\n};\n\nPaginate.prototype = Object.create(Continuous.prototype);\nPaginate.prototype.constructor = Paginate;\n\n\nPaginate.prototype.determineSpreads = function(cutoff){\n  if(this.isForcedSingle || !cutoff || this.bounds().width < cutoff) {\n    return 1; //-- Single Page\n  }else{\n    return 2; //-- Double Page\n  }\n};\n\nPaginate.prototype.forceSingle = function(bool){\n  if(bool === false) {\n    this.isForcedSingle = false;\n    // this.spreads = false;\n  } else {\n    this.isForcedSingle = true;\n    // this.spreads = this.determineSpreads(this.minSpreadWidth);\n  }\n  this.applyLayoutMethod();\n};\n\n/**\n* Uses the settings to determine which Layout Method is needed\n* Triggers events based on the method choosen\n* Takes: Layout settings object\n* Returns: String of appropriate for EPUBJS.Layout function\n*/\n// Paginate.prototype.determineLayout = function(settings){\n//   // Default is layout: reflowable & spread: auto\n//   var spreads = this.determineSpreads(this.settings.minSpreadWidth);\n//   console.log(\"spreads\", spreads, this.settings.minSpreadWidth)\n//   var layoutMethod = spreads ? \"ReflowableSpreads\" : \"Reflowable\";\n//   var scroll = false;\n//\n//   if(settings.layout === \"pre-paginated\") {\n//     layoutMethod = \"Fixed\";\n//     scroll = true;\n//     spreads = false;\n//   }\n//\n//   if(settings.layout === \"reflowable\" && settings.spread === \"none\") {\n//     layoutMethod = \"Reflowable\";\n//     scroll = false;\n//     spreads = false;\n//   }\n//\n//   if(settings.layout === \"reflowable\" && settings.spread === \"both\") {\n//     layoutMethod = \"ReflowableSpreads\";\n//     scroll = false;\n//     spreads = true;\n//   }\n//\n//   this.spreads = spreads;\n//\n//   return layoutMethod;\n// };\n\nPaginate.prototype.start = function(){\n  // On display\n  // this.layoutSettings = this.reconcileLayoutSettings(globalLayout, chapter.properties);\n  // this.layoutMethod = this.determineLayout(this.layoutSettings);\n  // this.layout = new EPUBJS.Layout[this.layoutMethod]();\n  //this.hooks.display.register(this.registerLayoutMethod.bind(this));\n  // this.hooks.display.register(this.reportLocation);\n  this.on('displayed', this.reportLocation.bind(this));\n\n  // this.hooks.content.register(this.adjustImages.bind(this));\n\n  this.currentPage = 0;\n\n  window.addEventListener('unload', function(e){\n    this.ignore = true;\n    this.destroy();\n  }.bind(this));\n\n};\n\n// EPUBJS.Rendition.prototype.createView = function(section) {\n//   var view = new EPUBJS.View(section, this.viewSettings);\n\n\n//   return view;\n// };\n\nPaginate.prototype.applyLayoutMethod = function() {\n  //var task = new RSVP.defer();\n\n  // this.spreads = this.determineSpreads(this.settings.minSpreadWidth);\n\n  this.layout = new Layout.Reflowable();\n\n  this.updateLayout();\n\n  // Set the look ahead offset for what is visible\n\n  this.map = new Map(this.layout);\n\n  // this.hooks.layout.register(this.layout.format.bind(this));\n\n  //task.resolve();\n  //return task.promise;\n  // return layout;\n};\n\nPaginate.prototype.updateLayout = function() {\n\n  this.spreads = this.determineSpreads(this.settings.minSpreadWidth);\n\n  this.layout.calculate(\n    this.stage.width,\n    this.stage.height,\n    this.settings.gap,\n    this.spreads\n  );\n\n  this.settings.offset = this.layout.delta;\n\n};\n\nPaginate.prototype.moveTo = function(offset){\n  var dist = Math.floor(offset.left / this.layout.delta) * this.layout.delta;\n  return this.check(0, dist+this.settings.offset).then(function(){\n    this.scrollBy(dist, 0);\n  }.bind(this));\n};\n\nPaginate.prototype.page = function(pg){\n\n  // this.currentPage = pg;\n  // this.renderer.infinite.scrollTo(this.currentPage * this.formated.pageWidth, 0);\n  //-- Return false if page is greater than the total\n  // return false;\n};\n\nPaginate.prototype.next = function(){\n\n  return this.q.enqueue(function(){\n    // console.log(this.container.scrollWidth, this.container.scrollLeft + this.container.offsetWidth + this.layout.delta)\n    if(this.container.scrollLeft +\n       this.container.offsetWidth +\n       this.layout.delta < this.container.scrollWidth) {\n      this.scrollBy(this.layout.delta, 0);\n    } else {\n      this.scrollTo(this.container.scrollWidth - this.layout.delta, 0);\n    }\n    this.reportLocation();\n    return this.check();\n  });\n\n  // return this.page(this.currentPage + 1);\n};\n\nPaginate.prototype.prev = function(){\n\n  return this.q.enqueue(function(){\n    this.scrollBy(-this.layout.delta, 0);\n    this.reportLocation();\n    return this.check();\n  });\n  // return this.page(this.currentPage - 1);\n};\n\n// Paginate.prototype.reportLocation = function(){\n//   return this.q.enqueue(function(){\n//     this.location = this.currentLocation();\n//     this.trigger(\"locationChanged\", this.location);\n//   }.bind(this));\n// };\n\nPaginate.prototype.currentLocation = function(){\n  var visible = this.visible();\n  var startA, startB, endA, endB;\n  var pageLeft, pageRight;\n  var container = this.container.getBoundingClientRect();\n\n  if(visible.length === 1) {\n    startA = container.left - visible[0].position().left;\n    endA = startA + this.layout.spread;\n\n    return this.map.page(visible[0], startA, endA);\n  }\n\n  if(visible.length > 1) {\n\n    // Left Col\n    startA = container.left - visible[0].position().left;\n    endA = startA + this.layout.column;\n\n    // Right Col\n    startB = container.left + this.layout.spread - visible[visible.length-1].position().left;\n    endB = startB + this.layout.column;\n\n    pageLeft = this.map.page(visible[0], startA, endA);\n    pageRight = this.map.page(visible[visible.length-1], startB, endB);\n\n    return {\n      start: pageLeft.start,\n      end: pageRight.end\n    };\n  }\n};\n\nPaginate.prototype.resize = function(width, height){\n  // Clear the queue\n  this.q.clear();\n\n  this.stageSize(width, height);\n\n  this.updateLayout();\n\n  if(this.location) {\n    this.display(this.location.start);\n  }\n\n  this.trigger(\"resized\", {\n    width: this.stage.width,\n    height: this.stage.height\n  });\n\n};\n\nPaginate.prototype.onResized = function(e) {\n\n  this.views.clear();\n\n  clearTimeout(this.resizeTimeout);\n  this.resizeTimeout = setTimeout(function(){\n    this.resize();\n  }.bind(this), 150);\n};\n\nPaginate.prototype.adjustImages = function(view) {\n\n  view.addStylesheetRules([\n      [\"img\",\n        [\"max-width\", (this.layout.spread) + \"px\"],\n        [\"max-height\", (this.layout.height) + \"px\"]\n      ]\n  ]);\n  return new RSVP.Promise(function(resolve, reject){\n    // Wait to apply\n    setTimeout(function() {\n      resolve();\n    }, 1);\n  });\n};\n\n// Paginate.prototype.display = function(what){\n//   return this.display(what);\n// };\n\nmodule.exports = Paginate;\n","var URI = require('urijs');\nvar core = require('./core');\nvar EpubCFI = require('./epubcfi');\n\nfunction Parser(){};\n\nParser.prototype.container = function(containerXml){\n    //-- <rootfile full-path=\"OPS/package.opf\" media-type=\"application/oebps-package+xml\"/>\n    var rootfile, fullpath, folder, encoding;\n\n    if(!containerXml) {\n      console.error(\"Container File Not Found\");\n      return;\n    }\n\n    rootfile = containerXml.querySelector(\"rootfile\");\n\n    if(!rootfile) {\n      console.error(\"No RootFile Found\");\n      return;\n    }\n\n    fullpath = rootfile.getAttribute('full-path');\n    folder = URI(fullpath).directory();\n    encoding = containerXml.xmlEncoding;\n\n    //-- Now that we have the path we can parse the contents\n    return {\n      'packagePath' : fullpath,\n      'basePath' : folder,\n      'encoding' : encoding\n    };\n};\n\nParser.prototype.identifier = function(packageXml){\n  var metadataNode;\n\n  if(!packageXml) {\n    console.error(\"Package File Not Found\");\n    return;\n  }\n\n  metadataNode = packageXml.querySelector(\"metadata\");\n\n  if(!metadataNode) {\n    console.error(\"No Metadata Found\");\n    return;\n  }\n\n  return this.getElementText(metadataNode, \"identifier\");\n};\n\nParser.prototype.packageContents = function(packageXml){\n  var parse = this;\n  var metadataNode, manifestNode, spineNode;\n  var manifest, navPath, ncxPath, coverPath;\n  var spineNodeIndex;\n  var spine;\n  var spineIndexByURL;\n  var metadata;\n\n  if(!packageXml) {\n    console.error(\"Package File Not Found\");\n    return;\n  }\n\n  metadataNode = packageXml.querySelector(\"metadata\");\n  if(!metadataNode) {\n    console.error(\"No Metadata Found\");\n    return;\n  }\n\n  manifestNode = packageXml.querySelector(\"manifest\");\n  if(!manifestNode) {\n    console.error(\"No Manifest Found\");\n    return;\n  }\n\n  spineNode = packageXml.querySelector(\"spine\");\n  if(!spineNode) {\n    console.error(\"No Spine Found\");\n    return;\n  }\n\n  manifest = parse.manifest(manifestNode);\n  navPath = parse.findNavPath(manifestNode);\n  ncxPath = parse.findNcxPath(manifestNode, spineNode);\n  coverPath = parse.findCoverPath(packageXml);\n\n  spineNodeIndex = Array.prototype.indexOf.call(spineNode.parentNode.childNodes, spineNode);\n\n  spine = parse.spine(spineNode, manifest);\n\n  metadata = parse.metadata(metadataNode);\n\n\tmetadata.direction = spineNode.getAttribute(\"page-progression-direction\");\n\n  return {\n    'metadata' : metadata,\n    'spine'    : spine,\n    'manifest' : manifest,\n    'navPath'  : navPath,\n    'ncxPath'  : ncxPath,\n    'coverPath': coverPath,\n    'spineNodeIndex' : spineNodeIndex\n  };\n};\n\n//-- Find TOC NAV\nParser.prototype.findNavPath = function(manifestNode){\n\t// Find item with property 'nav'\n\t// Should catch nav irregardless of order\n  var node = manifestNode.querySelector(\"item[properties$='nav'], item[properties^='nav '], item[properties*=' nav ']\");\n  return node ? node.getAttribute('href') : false;\n};\n\n//-- Find TOC NCX: media-type=\"application/x-dtbncx+xml\" href=\"toc.ncx\"\nParser.prototype.findNcxPath = function(manifestNode, spineNode){\n\tvar node = manifestNode.querySelector(\"item[media-type='application/x-dtbncx+xml']\");\n\tvar tocId;\n\n\t// If we can't find the toc by media-type then try to look for id of the item in the spine attributes as\n\t// according to http://www.idpf.org/epub/20/spec/OPF_2.0.1_draft.htm#Section2.4.1.2,\n\t// \"The item that describes the NCX must be referenced by the spine toc attribute.\"\n\tif (!node) {\n\t\ttocId = spineNode.getAttribute(\"toc\");\n\t\tif(tocId) {\n\t\t\tnode = manifestNode.querySelector(\"item[id='\" + tocId + \"']\");\n\t\t}\n\t}\n\n\treturn node ? node.getAttribute('href') : false;\n};\n\n//-- Expanded to match Readium web components\nParser.prototype.metadata = function(xml){\n  var metadata = {},\n      p = this;\n\n  metadata.title = p.getElementText(xml, 'title');\n  metadata.creator = p.getElementText(xml, 'creator');\n  metadata.description = p.getElementText(xml, 'description');\n\n  metadata.pubdate = p.getElementText(xml, 'date');\n\n  metadata.publisher = p.getElementText(xml, 'publisher');\n\n  metadata.identifier = p.getElementText(xml, \"identifier\");\n  metadata.language = p.getElementText(xml, \"language\");\n  metadata.rights = p.getElementText(xml, \"rights\");\n\n  metadata.modified_date = p.querySelectorText(xml, \"meta[property='dcterms:modified']\");\n  metadata.layout = p.querySelectorText(xml, \"meta[property='rendition:layout']\");\n  metadata.orientation = p.querySelectorText(xml, \"meta[property='rendition:orientation']\");\n  metadata.spread = p.querySelectorText(xml, \"meta[property='rendition:spread']\");\n  // metadata.page_prog_dir = packageXml.querySelector(\"spine\").getAttribute(\"page-progression-direction\");\n\n  return metadata;\n};\n\n//-- Find Cover: <item properties=\"cover-image\" id=\"ci\" href=\"cover.svg\" media-type=\"image/svg+xml\" />\n//-- Fallback for Epub 2.0\nParser.prototype.findCoverPath = function(packageXml){\n\n\tvar epubVersion = packageXml.querySelector('package').getAttribute('version');\n\n\tif (epubVersion === '2.0') {\n\t\tvar metaCover = packageXml.querySelector('meta[name=\"cover\"]');\n\t\tif (metaCover) {\n\t\t\tvar coverId = metaCover.getAttribute('content');\n\t\t\tvar cover = packageXml.querySelector(\"item[id='\" + coverId + \"']\");\n\t\t\treturn cover ? cover.getAttribute('href') : false;\n\t\t}\n\t\telse {\n\t\t\treturn false;\n\t\t}\n\t}\n\telse {\n\t\tvar node = packageXml.querySelector(\"item[properties='cover-image']\");\n\t\treturn node ? node.getAttribute('href') : false;\n\t}\n};\n\nParser.prototype.getElementText = function(xml, tag){\n  var found = xml.getElementsByTagNameNS(\"http://purl.org/dc/elements/1.1/\", tag),\n    el;\n\n  if(!found || found.length === 0) return '';\n\n  el = found[0];\n\n  if(el.childNodes.length){\n    return el.childNodes[0].nodeValue;\n  }\n\n  return '';\n\n};\n\nParser.prototype.querySelectorText = function(xml, q){\n  var el = xml.querySelector(q);\n\n  if(el && el.childNodes.length){\n    return el.childNodes[0].nodeValue;\n  }\n\n  return '';\n};\n\nParser.prototype.manifest = function(manifestXml){\n  var manifest = {};\n\n  //-- Turn items into an array\n  var selected = manifestXml.querySelectorAll(\"item\"),\n    items = Array.prototype.slice.call(selected);\n\n  //-- Create an object with the id as key\n  items.forEach(function(item){\n    var id = item.getAttribute('id'),\n        href = item.getAttribute('href') || '',\n        type = item.getAttribute('media-type') || '',\n        properties = item.getAttribute('properties') || '';\n\n    manifest[id] = {\n      'href' : href,\n      // 'url' : href,\n      'type' : type,\n      'properties' : properties.length ? properties.split(' ') : []\n    };\n\n  });\n\n  return manifest;\n\n};\n\nParser.prototype.spine = function(spineXml, manifest){\n  var spine = [];\n\n  var selected = spineXml.getElementsByTagName(\"itemref\"),\n      items = Array.prototype.slice.call(selected);\n\n  var epubcfi = new EpubCFI();\n\n  //-- Add to array to mantain ordering and cross reference with manifest\n  items.forEach(function(item, index){\n    var idref = item.getAttribute('idref');\n    // var cfiBase = epubcfi.generateChapterComponent(spineNodeIndex, index, Id);\n    var props = item.getAttribute('properties') || '';\n    var propArray = props.length ? props.split(' ') : [];\n    // var manifestProps = manifest[Id].properties;\n    // var manifestPropArray = manifestProps.length ? manifestProps.split(' ') : [];\n\n    var itemref = {\n      'idref' : idref,\n      'linear' : item.getAttribute('linear') || '',\n      'properties' : propArray,\n      // 'href' : manifest[Id].href,\n      // 'url' :  manifest[Id].url,\n      'index' : index\n      // 'cfiBase' : cfiBase\n    };\n    spine.push(itemref);\n  });\n\n  return spine;\n};\n\nParser.prototype.querySelectorByType = function(html, element, type){\n\tvar query = html.querySelector(element+'[*|type=\"'+type+'\"]');\n\t// Handle IE not supporting namespaced epub:type in querySelector\n\tif(query === null || query.length === 0) {\n\t\tquery = html.querySelectorAll(element);\n\t\tfor (var i = 0; i < query.length; i++) {\n\t\t\tif(query[i].getAttributeNS(\"http://www.idpf.org/2007/ops\", \"type\") === type) {\n\t\t\t\treturn query[i];\n\t\t\t}\n\t\t}\n\t} else {\n\t\treturn query;\n\t}\n};\n\nParser.prototype.nav = function(navHtml, spineIndexByURL, bookSpine){\n\tvar navElement = this.querySelectorByType(navHtml, \"nav\", \"toc\");\n\tvar navItems = navElement ? navElement.querySelectorAll(\"ol li\") : [];\n\tvar length = navItems.length;\n\tvar i;\n\tvar toc = {};\n\tvar list = [];\n\tvar item, parent;\n\n\tif(!navItems || length === 0) return list;\n\n\tfor (i = 0; i < length; ++i) {\n\t\titem = this.navItem(navItems[i], spineIndexByURL, bookSpine);\n\t\ttoc[item.id] = item;\n\t\tif(!item.parent) {\n\t\t\tlist.push(item);\n\t\t} else {\n\t\t\tparent = toc[item.parent];\n\t\t\tparent.subitems.push(item);\n\t\t}\n\t}\n\n\treturn list;\n};\n\nParser.prototype.navItem = function(item, spineIndexByURL, bookSpine){\n\tvar id = item.getAttribute('id') || false,\n\t\t\tcontent = item.querySelector(\"a, span\"),\n\t\t\tsrc = content.getAttribute('href') || '',\n\t\t\ttext = content.textContent || \"\",\n\t\t\t// split = src.split(\"#\"),\n\t\t\t// baseUrl = split[0],\n\t\t\t// spinePos = spineIndexByURL[baseUrl],\n\t\t\t// spineItem = bookSpine[spinePos],\n\t\t\tsubitems = [],\n\t\t\tparentNode = item.parentNode,\n\t\t\tparent;\n\t\t\t// cfi = spineItem ? spineItem.cfi : '';\n\n\tif(parentNode && parentNode.nodeName === \"navPoint\") {\n\t\tparent = parentNode.getAttribute('id');\n\t}\n\n  /*\n\tif(!id) {\n\t\tif(spinePos) {\n\t\t\tspineItem = bookSpine[spinePos];\n\t\t\tid = spineItem.id;\n\t\t\tcfi = spineItem.cfi;\n\t\t} else {\n\t\t\tid = 'epubjs-autogen-toc-id-' + EPUBJS.core.uuid();\n\t\t\titem.setAttribute('id', id);\n\t\t}\n\t}\n  */\n\n\treturn {\n\t\t\"id\": id,\n\t\t\"href\": src,\n\t\t\"label\": text,\n\t\t\"subitems\" : subitems,\n\t\t\"parent\" : parent\n\t};\n};\n\nParser.prototype.toc = function(tocXml, spineIndexByURL, bookSpine){\n\tvar navPoints = tocXml.querySelectorAll(\"navMap navPoint\");\n\tvar length = navPoints.length;\n\tvar i;\n\tvar toc = {};\n\tvar list = [];\n\tvar item, parent;\n\n\tif(!navPoints || length === 0) return list;\n\n\tfor (i = 0; i < length; ++i) {\n\t\titem = this.tocItem(navPoints[i], spineIndexByURL, bookSpine);\n\t\ttoc[item.id] = item;\n\t\tif(!item.parent) {\n\t\t\tlist.push(item);\n\t\t} else {\n\t\t\tparent = toc[item.parent];\n\t\t\tparent.subitems.push(item);\n\t\t}\n\t}\n\n\treturn list;\n};\n\nParser.prototype.tocItem = function(item, spineIndexByURL, bookSpine){\n\tvar id = item.getAttribute('id') || false,\n\t\t\tcontent = item.querySelector(\"content\"),\n\t\t\tsrc = content.getAttribute('src'),\n\t\t\tnavLabel = item.querySelector(\"navLabel\"),\n\t\t\ttext = navLabel.textContent ? navLabel.textContent : \"\",\n\t\t\t// split = src.split(\"#\"),\n\t\t\t// baseUrl = split[0],\n\t\t\t// spinePos = spineIndexByURL[baseUrl],\n\t\t\t// spineItem = bookSpine[spinePos],\n\t\t\tsubitems = [],\n\t\t\tparentNode = item.parentNode,\n\t\t\tparent;\n\t\t\t// cfi = spineItem ? spineItem.cfi : '';\n\n\tif(parentNode && parentNode.nodeName === \"navPoint\") {\n\t\tparent = parentNode.getAttribute('id');\n\t}\n\n  /*\n\tif(!id) {\n\t\tif(spinePos) {\n\t\t\tspineItem = bookSpine[spinePos];\n\t\t\tid = spineItem.id;\n\t\t\tcfi = spineItem.cfi;\n\t\t} else {\n\t\t\tid = 'epubjs-autogen-toc-id-' + EPUBJS.core.uuid();\n\t\t\titem.setAttribute('id', id);\n\t\t}\n\t}\n  */\n\n\treturn {\n\t\t\"id\": id,\n\t\t\"href\": src,\n\t\t\"label\": text,\n\t\t\"subitems\" : subitems,\n\t\t\"parent\" : parent\n\t};\n};\n\nParser.prototype.pageList = function(navHtml, spineIndexByURL, bookSpine){\n\tvar navElement = this.querySelectorByType(navHtml, \"nav\", \"page-list\");\n\tvar navItems = navElement ? navElement.querySelectorAll(\"ol li\") : [];\n\tvar length = navItems.length;\n\tvar i;\n\tvar toc = {};\n\tvar list = [];\n\tvar item;\n\n\tif(!navItems || length === 0) return list;\n\n\tfor (i = 0; i < length; ++i) {\n\t\titem = this.pageListItem(navItems[i], spineIndexByURL, bookSpine);\n\t\tlist.push(item);\n\t}\n\n\treturn list;\n};\n\nParser.prototype.pageListItem = function(item, spineIndexByURL, bookSpine){\n\tvar id = item.getAttribute('id') || false,\n\t\tcontent = item.querySelector(\"a\"),\n\t\thref = content.getAttribute('href') || '',\n\t\ttext = content.textContent || \"\",\n\t\tpage = parseInt(text),\n\t\tisCfi = href.indexOf(\"epubcfi\"),\n\t\tsplit,\n\t\tpackageUrl,\n\t\tcfi;\n\n\tif(isCfi != -1) {\n\t\tsplit = href.split(\"#\");\n\t\tpackageUrl = split[0];\n\t\tcfi = split.length > 1 ? split[1] : false;\n\t\treturn {\n\t\t\t\"cfi\" : cfi,\n\t\t\t\"href\" : href,\n\t\t\t\"packageUrl\" : packageUrl,\n\t\t\t\"page\" : page\n\t\t};\n\t} else {\n\t\treturn {\n\t\t\t\"href\" : href,\n\t\t\t\"page\" : page\n\t\t};\n\t}\n};\n\nmodule.exports = Parser;\n","var RSVP = require('rsvp');\nvar core = require('./core');\n\nfunction Queue(_context){\n  this._q = [];\n  this.context = _context;\n  this.tick = core.requestAnimationFrame;\n  this.running = false;\n  this.paused = false;\n};\n\n// Add an item to the queue\nQueue.prototype.enqueue = function() {\n  var deferred, promise;\n  var queued;\n  var task = [].shift.call(arguments);\n  var args = arguments;\n\n  // Handle single args without context\n  // if(args && !Array.isArray(args)) {\n  //   args = [args];\n  // }\n  if(!task) {\n    return console.error(\"No Task Provided\");\n  }\n\n  if(typeof task === \"function\"){\n\n    deferred = new RSVP.defer();\n    promise = deferred.promise;\n\n    queued = {\n      \"task\" : task,\n      \"args\"     : args,\n      //\"context\"  : context,\n      \"deferred\" : deferred,\n      \"promise\" : promise\n    };\n\n  } else {\n    // Task is a promise\n    queued = {\n      \"promise\" : task\n    };\n\n  }\n\n  this._q.push(queued);\n\n  // Wait to start queue flush\n  if (this.paused == false && !this.running) {\n    // setTimeout(this.flush.bind(this), 0);\n    // this.tick.call(window, this.run.bind(this));\n    this.run();\n  }\n\n  return queued.promise;\n};\n\n// Run one item\nQueue.prototype.dequeue = function(){\n  var inwait, task, result;\n\n  if(this._q.length) {\n    inwait = this._q.shift();\n    task = inwait.task;\n    if(task){\n      // console.log(task)\n\n      result = task.apply(this.context, inwait.args);\n\n      if(result && typeof result[\"then\"] === \"function\") {\n        // Task is a function that returns a promise\n        return result.then(function(){\n          inwait.deferred.resolve.apply(this.context, arguments);\n        }.bind(this));\n      } else {\n        // Task resolves immediately\n        inwait.deferred.resolve.apply(this.context, result);\n        return inwait.promise;\n      }\n\n\n\n    } else if(inwait.promise) {\n      // Task is a promise\n      return inwait.promise;\n    }\n\n  } else {\n    inwait = new RSVP.defer();\n    inwait.deferred.resolve();\n    return inwait.promise;\n  }\n\n};\n\n// Run All Immediately\nQueue.prototype.dump = function(){\n  while(this._q.length) {\n    this.dequeue();\n  }\n};\n\n// Run all sequentially, at convince\n\nQueue.prototype.run = function(){\n\n  if(!this.running){\n    this.running = true;\n    this.defered = new RSVP.defer();\n  }\n\n  this.tick.call(window, function() {\n\n    if(this._q.length) {\n\n      this.dequeue()\n        .then(function(){\n          this.run();\n        }.bind(this));\n\n    } else {\n      this.defered.resolve();\n      this.running = undefined;\n    }\n\n  }.bind(this));\n\n  // Unpause\n  if(this.paused == true) {\n    this.paused = false;\n  }\n\n  return this.defered.promise;\n};\n\n// Flush all, as quickly as possible\nQueue.prototype.flush = function(){\n\n  if(this.running){\n    return this.running;\n  }\n\n  if(this._q.length) {\n    this.running = this.dequeue()\n      .then(function(){\n        this.running = undefined;\n        return this.flush();\n      }.bind(this));\n\n    return this.running;\n  }\n\n};\n\n// Clear all items in wait\nQueue.prototype.clear = function(){\n  this._q = [];\n  this.running = false;\n};\n\nQueue.prototype.length = function(){\n  return this._q.length;\n};\n\nQueue.prototype.pause = function(){\n  this.paused = true;\n};\n\n// Create a new task from a callback\nfunction Task(task, args, context){\n\n  return function(){\n    var toApply = arguments || [];\n\n    return new RSVP.Promise(function(resolve, reject) {\n      var callback = function(value){\n        resolve(value);\n      };\n      // Add the callback to the arguments list\n      toApply.push(callback);\n\n      // Apply all arguments to the functions\n      task.apply(this, toApply);\n\n  }.bind(this));\n\n  };\n\n};\n\nmodule.exports = Queue;\n","var RSVP = require('rsvp');\nvar URI = require('urijs');\nvar core = require('./core');\nvar replace = require('./replacements');\nvar Hook = require('./hook');\nvar EpubCFI = require('./epubcfi');\nvar Queue = require('./queue');\nvar View = require('./view');\nvar Views = require('./views');\nvar Layout = require('./layout');\nvar Map = require('./map');\n\nfunction Rendition(book, options) {\n\n\tthis.settings = core.extend(this.settings || {}, {\n\t\tinfinite: true,\n\t\thidden: false,\n\t\twidth: false,\n\t\theight: null,\n\t\tlayoutOveride : null, // Default: { spread: 'reflowable', layout: 'auto', orientation: 'auto'},\n\t\taxis: \"vertical\"\n\t});\n\n\tcore.extend(this.settings, options);\n\n\tthis.viewSettings = {};\n\n\tthis.book = book;\n\n\tthis.views = null;\n\n\t//-- Adds Hook methods to the Rendition prototype\n\tthis.hooks = {};\n\tthis.hooks.display = new Hook(this);\n\tthis.hooks.serialize = new Hook(this);\n\tthis.hooks.content = new Hook(this);\n\tthis.hooks.layout = new Hook(this);\n\tthis.hooks.render = new Hook(this);\n\tthis.hooks.show = new Hook(this);\n\n\tthis.hooks.content.register(replace.links.bind(this));\n\tthis.hooks.content.register(this.passViewEvents.bind(this));\n\n\t// this.hooks.display.register(this.afterDisplay.bind(this));\n\n  this.epubcfi = new EpubCFI();\n\n\tthis.q = new Queue(this);\n\n\tthis.q.enqueue(this.book.opened);\n\n\tthis.q.enqueue(this.parseLayoutProperties);\n\n\tif(this.book.archive) {\n\t\tthis.replacements();\n\t}\n};\n\n/**\n* Creates an element to render to.\n* Resizes to passed width and height or to the elements size\n*/\nRendition.prototype.initialize = function(_options){\n\tvar options = _options || {};\n\tvar height  = options.height;// !== false ? options.height : \"100%\";\n\tvar width   = options.width;// !== false ? options.width : \"100%\";\n\tvar hidden  = options.hidden || false;\n\tvar container;\n\tvar wrapper;\n\n\tif(options.height && core.isNumber(options.height)) {\n\t\theight = options.height + \"px\";\n\t}\n\n\tif(options.width && core.isNumber(options.width)) {\n\t\twidth = options.width + \"px\";\n\t}\n\n\t// Create new container element\n\tcontainer = document.createElement(\"div\");\n\n\tcontainer.id = \"epubjs-container:\" + core.uuid();\n\tcontainer.classList.add(\"epub-container\");\n\n\t// Style Element\n\tcontainer.style.fontSize = \"0\";\n\tcontainer.style.wordSpacing = \"0\";\n\tcontainer.style.lineHeight = \"0\";\n\tcontainer.style.verticalAlign = \"top\";\n\n\tif(this.settings.axis === \"horizontal\") {\n\t\tcontainer.style.whiteSpace = \"nowrap\";\n\t}\n\n\tif(width){\n\t\tcontainer.style.width = width;\n\t}\n\n\tif(height){\n\t\tcontainer.style.height = height;\n\t}\n\n\tcontainer.style.overflow = this.settings.overflow;\n\n\treturn container;\n};\n\nRendition.wrap = function(container) {\n\tvar wrapper = document.createElement(\"div\");\n\n\twrapper.style.visibility = \"hidden\";\n\twrapper.style.overflow = \"hidden\";\n\twrapper.style.width = \"0\";\n\twrapper.style.height = \"0\";\n\n\twrapper.appendChild(container);\n\treturn wrapper;\n};\n\n// Call to attach the container to an element in the dom\n// Container must be attached before rendering can begin\nRendition.prototype.attachTo = function(_element){\n\tvar bounds;\n\n\tthis.container = this.initialize({\n\t\t\"width\"  : this.settings.width,\n\t\t\"height\" : this.settings.height\n\t});\n\n\tif(core.isElement(_element)) {\n\t\tthis.element = _element;\n\t} else if (typeof _element === \"string\") {\n\t\tthis.element = document.getElementById(_element);\n\t}\n\n\tif(!this.element){\n\t\tconsole.error(\"Not an Element\");\n\t\treturn;\n\t}\n\n\tif(this.settings.hidden) {\n\t\tthis.wrapper = this.wrap(this.container);\n\t\tthis.element.appendChild(this.wrapper);\n\t} else {\n\t\tthis.element.appendChild(this.container);\n\t}\n\n\tthis.views = new Views(this.container);\n\n\t// Attach Listeners\n\tthis.attachListeners();\n\n\t// Calculate Stage Size\n\tthis.stageSize();\n\n\t// Add Layout method\n\tthis.applyLayoutMethod();\n\n\t// Trigger Attached\n\tthis.trigger(\"attached\");\n\n\t// Start processing queue\n\t// this.q.run();\n\n};\n\nRendition.prototype.attachListeners = function(){\n\n\t// Listen to window for resize event if width or height is set to 100%\n\tif(!core.isNumber(this.settings.width) ||\n\t\t !core.isNumber(this.settings.height) ) {\n\t\twindow.addEventListener(\"resize\", this.onResized.bind(this), false);\n\t}\n\n};\n\nRendition.prototype.bounds = function() {\n\treturn this.container.getBoundingClientRect();\n};\n\nRendition.prototype.display = function(target){\n\n\treturn this.q.enqueue(this._display, target);\n\n};\n\nRendition.prototype._display = function(target){\n\n\tvar displaying = new RSVP.defer();\n\tvar displayed = displaying.promise;\n\n\tvar section;\n  var view;\n  var offset;\n\tvar fragment;\n\tvar cfi = this.epubcfi.isCfiString(target);\n\n\tvar visible;\n\n\tsection = this.book.spine.get(target);\n\n\tif(!section){\n\t\tdisplaying.reject(new Error(\"No Section Found\"));\n\t\treturn displayed;\n\t}\n\n\t// Check to make sure the section we want isn't already shown\n\tvisible = this.views.find(section);\n\n\tif(visible) {\n\t\toffset = view.locationOf(target);\n\t\tdisplayed = this.moveTo(offset)\n\t\t\t.then(function(){\n\t\t\t\treturn this.check();\n\t\t\t});\n\t} else {\n\n\t\t// Hide all current views\n\t\tthis.views.hide();\n\n\t\t// Create a new view\n\t\t// view = new View(section, this.viewSettings);\n\t\tview = this.createView(section);\n\n\t\t// This will clear all previous views\n\t\tdisplayed = this.fill(view)\n\t\t\t.then(function(){\n\n\t\t\t\t// Parse the target fragment\n\t\t\t\tif(typeof target === \"string\" &&\n\t\t\t\t\ttarget.indexOf(\"#\") > -1) {\n\t\t\t\t\t\tfragment = target.substring(target.indexOf(\"#\")+1);\n\t\t\t\t}\n\n\t\t\t\t// Move to correct place within the section, if needed\n\t\t\t\tif(cfi || fragment) {\n\t\t\t\t\toffset = view.locationOf(target);\n\t\t\t\t\treturn this.moveTo(offset);\n\t\t\t\t}\n\n\t\t\t\tif(typeof this.check === 'function') {\n\t\t\t\t\treturn this.check();\n\t\t\t\t}\n\t\t\t}.bind(this))\n\t\t\t.then(function(){\n\t\t\t\treturn this.hooks.display.trigger(view);\n\t\t\t}.bind(this))\n\t\t\t.then(function(){\n\t\t\t\tthis.views.show();\n\t\t\t}.bind(this));\n\t}\n\n\tdisplayed.then(function(){\n\n\t\tthis.trigger(\"displayed\", section);\n\n\t}.bind(this));\n\n\n\treturn displayed;\n};\n\n// Takes a cfi, fragment or page?\nRendition.prototype.moveTo = function(offset){\n\tthis.scrollBy(offset.left, offset.top);\n};\n\nRendition.prototype.render = function(view, show) {\n\n\tview.create();\n\n\tview.onLayout = this.layout.format.bind(this.layout);\n\n\t// Fit to size of the container, apply padding\n\tthis.resizeView(view);\n\n\t// Render Chain\n\treturn view.render(this.book.request)\n\t\t.then(function(){\n\t\t\treturn this.hooks.content.trigger(view, this);\n\t\t}.bind(this))\n\t\t.then(function(){\n\t\t\treturn this.hooks.layout.trigger(view, this);\n\t\t}.bind(this))\n\t\t.then(function(){\n\t\t\treturn view.display();\n\t\t}.bind(this))\n\t\t.then(function(){\n\t\t\treturn this.hooks.render.trigger(view, this);\n\t\t}.bind(this))\n\t\t.then(function(){\n\t\t\tif(show !== false && this.views.hidden === false) {\n\t\t\t\tthis.q.enqueue(function(view){\n\t\t\t\t\tview.show();\n\t\t\t\t}, view);\n\t\t\t}\n\n\n\t\t\t// this.map = new Map(view, this.layout);\n\t\t\tthis.hooks.show.trigger(view, this);\n\t\t\tthis.trigger(\"rendered\", view.section);\n\n\t\t}.bind(this))\n\t\t.catch(function(e){\n\t\t\tthis.trigger(\"loaderror\", e);\n\t\t}.bind(this));\n\n};\n\n\nRendition.prototype.afterDisplayed = function(view){\n\tthis.trigger(\"added\", view.section);\n};\n\nRendition.prototype.fill = function(view){\n\n\tthis.views.clear();\n\n\tthis.views.append(view);\n\n\t// view.on(\"shown\", this.afterDisplayed.bind(this));\n\tview.onDisplayed = this.afterDisplayed.bind(this);\n\n\treturn this.render(view);\n};\n\nRendition.prototype.resizeView = function(view) {\n\n\tif(this.globalLayoutProperties.layout === \"pre-paginated\") {\n\t\tview.lock(\"both\", this.stage.width, this.stage.height);\n\t} else {\n\t\tview.lock(\"width\", this.stage.width, this.stage.height);\n\t}\n\n};\n\nRendition.prototype.stageSize = function(_width, _height){\n\tvar bounds;\n\tvar width = _width || this.settings.width;\n\tvar height = _height || this.settings.height;\n\n\t// If width or height are set to false, inherit them from containing element\n\tif(width === false) {\n\t\tbounds = this.element.getBoundingClientRect();\n\n\t\tif(bounds.width) {\n\t\t\twidth = bounds.width;\n\t\t\tthis.container.style.width = bounds.width + \"px\";\n\t\t}\n\t}\n\n\tif(height === false) {\n\t\tbounds = bounds || this.element.getBoundingClientRect();\n\n\t\tif(bounds.height) {\n\t\t\theight = bounds.height;\n\t\t\tthis.container.style.height = bounds.height + \"px\";\n\t\t}\n\n\t}\n\n\tif(width && !core.isNumber(width)) {\n\t\tbounds = this.container.getBoundingClientRect();\n\t\twidth = bounds.width;\n\t\t//height = bounds.height;\n\t}\n\n\tif(height && !core.isNumber(height)) {\n\t\tbounds = bounds || this.container.getBoundingClientRect();\n\t\t//width = bounds.width;\n\t\theight = bounds.height;\n\t}\n\n\n\tthis.containerStyles = window.getComputedStyle(this.container);\n\tthis.containerPadding = {\n\t\tleft: parseFloat(this.containerStyles[\"padding-left\"]) || 0,\n\t\tright: parseFloat(this.containerStyles[\"padding-right\"]) || 0,\n\t\ttop: parseFloat(this.containerStyles[\"padding-top\"]) || 0,\n\t\tbottom: parseFloat(this.containerStyles[\"padding-bottom\"]) || 0\n\t};\n\n\tthis.stage = {\n\t\twidth: width -\n\t\t\t\t\t\tthis.containerPadding.left -\n\t\t\t\t\t\tthis.containerPadding.right,\n\t\theight: height -\n\t\t\t\t\t\tthis.containerPadding.top -\n\t\t\t\t\t\tthis.containerPadding.bottom\n\t};\n\n\treturn this.stage;\n\n};\n\nRendition.prototype.applyLayoutMethod = function() {\n\n\tthis.layout = new Layout.Scroll();\n\tthis.updateLayout();\n\n\tthis.map = new Map(this.layout);\n};\n\nRendition.prototype.updateLayout = function() {\n\n\tthis.layout.calculate(this.stage.width, this.stage.height);\n\n};\n\nRendition.prototype.resize = function(width, height){\n\n\tthis.stageSize(width, height);\n\n\tthis.updateLayout();\n\n\tthis.views.each(this.resizeView.bind(this));\n\n\tthis.trigger(\"resized\", {\n\t\twidth: this.stage.width,\n\t\theight: this.stage.height\n\t});\n\n};\n\nRendition.prototype.onResized = function(e) {\n\tthis.resize();\n};\n\nRendition.prototype.createView = function(section) {\n\t// Transfer the existing hooks\n\tsection.hooks.serialize.register(this.hooks.serialize.list());\n\n\treturn new View(section, this.viewSettings);\n};\n\nRendition.prototype.next = function(){\n\n\treturn this.q.enqueue(function(){\n\n\t\tvar next;\n\t\tvar view;\n\n\t\tif(!this.views.length) return;\n\n\t\tnext = this.views.last().section.next();\n\n\t\tif(next) {\n\t\t\tview = this.createView(next);\n\t\t\treturn this.fill(view);\n\t\t}\n\n\t});\n\n};\n\nRendition.prototype.prev = function(){\n\n\treturn this.q.enqueue(function(){\n\n\t\tvar prev;\n\t\tvar view;\n\n\t\tif(!this.views.length) return;\n\n\t\tprev = this.views.first().section.prev();\n\t\tif(prev) {\n\t\t\tview = this.createView(prev);\n\t\t\treturn this.fill(view);\n\t\t}\n\n\t});\n\n};\n\n//-- http://www.idpf.org/epub/fxl/\nRendition.prototype.parseLayoutProperties = function(_metadata){\n\tvar metadata = _metadata || this.book.package.metadata;\n\tvar layout = (this.layoutOveride && this.layoutOveride.layout) || metadata.layout || \"reflowable\";\n\tvar spread = (this.layoutOveride && this.layoutOveride.spread) || metadata.spread || \"auto\";\n\tvar orientation = (this.layoutOveride && this.layoutOveride.orientation) || metadata.orientation || \"auto\";\n\tthis.globalLayoutProperties = {\n\t\tlayout : layout,\n\t\tspread : spread,\n\t\torientation : orientation\n\t};\n\treturn this.globalLayoutProperties;\n};\n\n\nRendition.prototype.current = function(){\n\tvar visible = this.visible();\n\tif(visible.length){\n\t\t// Current is the last visible view\n\t\treturn visible[visible.length-1];\n\t}\n  return null;\n};\n\nRendition.prototype.isVisible = function(view, offsetPrev, offsetNext, _container){\n\tvar position = view.position();\n\tvar container = _container || this.container.getBoundingClientRect();\n\n\tif(this.settings.axis === \"horizontal\" &&\n\t\tposition.right > container.left - offsetPrev &&\n\t\tposition.left < container.right + offsetNext) {\n\n\t\treturn true;\n\n  } else if(this.settings.axis === \"vertical\" &&\n  \tposition.bottom > container.top - offsetPrev &&\n\t\tposition.top < container.bottom + offsetNext) {\n\n\t\treturn true;\n  }\n\n\treturn false;\n\n};\n\nRendition.prototype.visible = function(){\n\tvar container = this.bounds();\n\tvar displayedViews = this.views.displayed();\n  var visible = [];\n  var isVisible;\n  var view;\n\n  for (var i = 0; i < displayedViews.length; i++) {\n    view = displayedViews[i];\n    isVisible = this.isVisible(view, 0, 0, container);\n\n    if(isVisible === true) {\n      visible.push(view);\n    }\n\n  }\n  return visible;\n\n};\n\nRendition.prototype.bounds = function(func) {\n  var bounds;\n\n  if(!this.settings.height) {\n    bounds = core.windowBounds();\n  } else {\n    bounds = this.container.getBoundingClientRect();\n  }\n\n  return bounds;\n};\n\nRendition.prototype.destroy = function(){\n  // Clear the queue\n\tthis.q.clear();\n\n\tthis.views.clear();\n\n\tclearTimeout(this.trimTimeout);\n\tif(this.settings.hidden) {\n\t\tthis.element.removeChild(this.wrapper);\n\t} else {\n\t\tthis.element.removeChild(this.container);\n\t}\n\n};\n\nRendition.prototype.reportLocation = function(){\n  return this.q.enqueue(function(){\n    this.location = this.currentLocation();\n    this.trigger(\"locationChanged\", this.location);\n  }.bind(this));\n};\n\nRendition.prototype.currentLocation = function(){\n  var view;\n  var start, end;\n\n  if(this.views.length) {\n  \tview = this.views.first();\n    // start = container.left - view.position().left;\n    // end = start + this.layout.spread;\n\n    return this.map.page(view);\n  }\n\n};\n\nRendition.prototype.scrollBy = function(x, y, silent){\n  if(silent) {\n    this.ignore = true;\n  }\n\n  if(this.settings.height) {\n\n    if(x) this.container.scrollLeft += x;\n  \tif(y) this.container.scrollTop += y;\n\n  } else {\n  \twindow.scrollBy(x,y);\n  }\n  // console.log(\"scrollBy\", x, y);\n  this.scrolled = true;\n};\n\nRendition.prototype.scrollTo = function(x, y, silent){\n  if(silent) {\n    this.ignore = true;\n  }\n\n  if(this.settings.height) {\n  \tthis.container.scrollLeft = x;\n  \tthis.container.scrollTop = y;\n  } else {\n  \twindow.scrollTo(x,y);\n  }\n  // console.log(\"scrollTo\", x, y);\n  this.scrolled = true;\n  // if(this.container.scrollLeft != x){\n  //   setTimeout(function() {\n  //     this.scrollTo(x, y, silent);\n  //   }.bind(this), 10);\n  //   return;\n  // };\n };\n\nRendition.prototype.passViewEvents = function(view){\n  view.listenedEvents.forEach(function(e){\n\t\tview.on(e, this.triggerViewEvent.bind(this));\n\t}.bind(this));\n\n\tview.on(\"selected\", this.triggerSelectedEvent.bind(this));\n};\n\nRendition.prototype.triggerViewEvent = function(e){\n  this.trigger(e.type, e);\n};\n\nRendition.prototype.triggerSelectedEvent = function(cfirange){\n\tconsole.log(cfirange);\n  this.trigger(\"selected\", cfirange);\n};\n\nRendition.prototype.replacements = function(){\n\t// Wait for loading\n\treturn this.q.enqueue(function () {\n\t\t// Get thes books manifest\n\t\tvar manifest = this.book.package.manifest;\n\t  var manifestArray = Object.keys(manifest).\n\t    map(function (key){\n\t      return manifest[key];\n\t    });\n\n\t  // Exclude HTML\n\t  var items = manifestArray.\n\t    filter(function (item){\n\t      if (item.type != \"application/xhtml+xml\" &&\n\t          item.type != \"text/html\") {\n\t        return true;\n\t      }\n\t    });\n\n\t  // Only CSS\n\t  var css = items.\n\t    filter(function (item){\n\t      if (item.type === \"text/css\") {\n\t        return true;\n\t      }\n\t    });\n\n\t\t// Css Urls\n\t\tvar cssUrls = css.map(function(item) {\n\t\t\treturn item.href;\n\t\t});\n\n\t\t// All Assets Urls\n\t  var urls = items.\n\t    map(function(item) {\n\t      return item.href;\n\t    }.bind(this));\n\n\t\t// Create blob urls for all the assets\n\t  var processing = urls.\n\t    map(function(url) {\n\t\t\t\tvar absolute = URI(url).absoluteTo(this.book.baseUrl).toString();\n\t\t\t\t// Full url from archive base\n\t      return this.book.archive.createUrl(absolute);\n\t    }.bind(this));\n\n\t\t// After all the urls are created\n\t  return RSVP.all(processing).\n\t    then(function(replacementUrls) {\n\n\t\t\t\t// Replace Asset Urls in the text of all css files\n\t\t\t\tcssUrls.forEach(function(href) {\n\t\t\t\t\tthis.replaceCss(href, urls, replacementUrls);\n\t\t    }.bind(this));\n\n\t\t\t\t// Replace Asset Urls in chapters\n\t\t\t\t// by registering a hook after the sections contents has been serialized\n\t      this.hooks.serialize.register(function(output, section) {\n\t\t\t\t\tthis.replaceAssets(section, urls, replacementUrls);\n\t      }.bind(this));\n\n\t    }.bind(this)).catch(function(reason){\n\t      console.error(reason);\n\t    });\n\t}.bind(this));\n};\n\nRendition.prototype.replaceCss = function(href, urls, replacementUrls){\n\t\tvar newUrl;\n\t\tvar indexInUrls;\n\n\t\t// Find the absolute url of the css file\n\t\tvar fileUri = URI(href);\n\t\tvar absolute = fileUri.absoluteTo(this.book.baseUrl).toString();\n\t\t// Get the text of the css file from the archive\n\t\tvar text = this.book.archive.getText(absolute);\n\t\t// Get asset links relative to css file\n\t\tvar relUrls = urls.\n\t\t\tmap(function(assetHref) {\n\t\t\t\tvar assetUri = URI(assetHref).absoluteTo(this.book.baseUrl);\n\t\t\t\tvar relative = assetUri.relativeTo(absolute).toString();\n\t\t\t\treturn relative;\n\t\t\t}.bind(this));\n\n\t\t// Replacements in the css text\n\t\ttext = replace.substitute(text, relUrls, replacementUrls);\n\n\t\t// Get the new url\n\t\tnewUrl = core.createBlobUrl(text, 'text/css');\n\n\t\t// switch the url in the replacementUrls\n\t\tindexInUrls = urls.indexOf(href);\n\t\tif (indexInUrls > -1) {\n\t\t\treplacementUrls[indexInUrls] = newUrl;\n\t\t}\n};\n\nRendition.prototype.replaceAssets = function(section, urls, replacementUrls){\n\tvar fileUri = URI(section.url);\n\t// Get Urls relative to current sections\n\tvar relUrls = urls.\n\t\tmap(function(href) {\n\t\t\tvar assetUri = URI(href).absoluteTo(this.book.baseUrl);\n\t\t\tvar relative = assetUri.relativeTo(fileUri).toString();\n\t\t\treturn relative;\n\t\t}.bind(this));\n\n\n\tsection.output = replace.substitute(section.output, relUrls, replacementUrls);\n};\n//-- Enable binding events to Renderer\nRSVP.EventTarget.mixin(Rendition.prototype);\n\nmodule.exports = Rendition;\n","var URI = require('urijs');\nvar core = require('./core');\n\nfunction base(doc, section){\n  var base;\n  var head;\n\n  if(!doc){\n    return;\n  }\n\n  head = doc.querySelector(\"head\");\n  base = head.querySelector(\"base\");\n\n  if(!base) {\n    base = doc.createElement(\"base\");\n  }\n\n  base.setAttribute(\"href\", section.url);\n  head.insertBefore(base, head.firstChild);\n\n}\n\nfunction links(view, renderer) {\n\n  var links = view.document.querySelectorAll(\"a[href]\");\n  var replaceLinks = function(link){\n    var href = link.getAttribute(\"href\");\n    var linkUri = URI(href);\n    var absolute = linkUri.absoluteTo(view.section.url);\n    var relative = absolute.relativeTo(this.book.baseUrl).toString();\n\n    if(linkUri.protocol()){\n\n      link.setAttribute(\"target\", \"_blank\");\n\n    }else{\n      /*\n      if(baseDirectory) {\n\t\t\t\t// We must ensure that the file:// protocol is preserved for\n\t\t\t\t// local file links, as in certain contexts (such as under\n\t\t\t\t// Titanium), file links without the file:// protocol will not\n\t\t\t\t// work\n\t\t\t\tif (baseUri.protocol === \"file\") {\n\t\t\t\t\trelative = core.resolveUrl(baseUri.base, href);\n\t\t\t\t} else {\n\t\t\t\t\trelative = core.resolveUrl(baseDirectory, href);\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\trelative = href;\n\t\t\t}\n      */\n\n      if(linkUri.fragment()) {\n        // do nothing with fragment yet\n      } else {\n        link.onclick = function(){\n          renderer.display(relative);\n          return false;\n        };\n      }\n\n    }\n  };\n\n  for (var i = 0; i < links.length; i++) {\n    replaceLinks(links[i]);\n  }\n\n\n};\n\nfunction substitute(content, urls, replacements) {\n  urls.forEach(function(url, i){\n    if (url && replacements[i]) {\n      content = content.replace(new RegExp(url, 'g'), replacements[i]);\n    }\n  });\n  return content;\n}\nmodule.exports = {\n  'base': base,\n  'links': links,\n  'substitute': substitute\n};\n","var RSVP = require('rsvp');\nvar URI = require('urijs');\nvar core = require('./core');\n\nfunction request(url, type, withCredentials, headers) {\n  var supportsURL = window.URL;\n  var BLOB_RESPONSE = supportsURL ? \"blob\" : \"arraybuffer\";\n  var uri;\n\n  var deferred = new RSVP.defer();\n\n  var xhr = new XMLHttpRequest();\n\n  //-- Check from PDF.js:\n  //   https://github.com/mozilla/pdf.js/blob/master/web/compatibility.js\n  var xhrPrototype = XMLHttpRequest.prototype;\n\n  var header;\n\n  if (!('overrideMimeType' in xhrPrototype)) {\n    // IE10 might have response, but not overrideMimeType\n    Object.defineProperty(xhrPrototype, 'overrideMimeType', {\n      value: function xmlHttpRequestOverrideMimeType(mimeType) {}\n    });\n  }\n  if(withCredentials) {\n    xhr.withCredentials = true;\n  }\n\n  xhr.open(\"GET\", url, true);\n\n  for(header in headers) {\n    xhr.setRequestHeader(header, headers[header]);\n  }\n\n  xhr.onreadystatechange = handler;\n\n  // If type isn't set, determine it from the file extension\n\tif(!type) {\n\t\turi = URI(url);\n\t\ttype = uri.suffix();\n\t}\n\n  if(type == 'blob'){\n    xhr.responseType = BLOB_RESPONSE;\n  }\n\n  if(type == \"json\") {\n    xhr.setRequestHeader(\"Accept\", \"application/json\");\n  }\n\n  if(core.isXml(type)) {\n\t\txhr.responseType = \"document\";\n\t\txhr.overrideMimeType('text/xml'); // for OPF parsing\n\t}\n\n\tif(type == 'xhtml') {\n\t\txhr.responseType = \"document\";\n\t}\n\n\tif(type == 'html' || type == 'htm') {\n\t\txhr.responseType = \"document\";\n \t}\n\n  if(type == \"binary\") {\n    xhr.responseType = \"arraybuffer\";\n  }\n\n  xhr.send();\n\n  function handler() {\n    if (this.readyState === this.DONE) {\n      if (this.status === 200 || this.responseXML ) { //-- Firefox is reporting 0 for blob urls\n        var r;\n\n        if((this.responseType == '' || this.responseType == 'document')\n            && this.responseXML){\n          r = this.responseXML;\n        } else\n        if(core.isXml(type)){\n          // If this.responseXML wasn't set, try to parse using a DOMParser from text\n          r = new DOMParser().parseFromString(this.response, \"text/xml\");\n        }else\n        if(type == 'xhtml'){\n          r = new DOMParser().parseFromString(this.response, \"application/xhtml+xml\");\n        }else\n        if(type == 'html' || type == 'htm'){\n          r = new DOMParser().parseFromString(this.response, \"text/html\");\n        }else\n        if(type == 'json'){\n          r = JSON.parse(this.response);\n        }else\n        if(type == 'blob'){\n\n          if(supportsURL) {\n            r = this.response;\n          } else {\n            //-- Safari doesn't support responseType blob, so create a blob from arraybuffer\n            r = new Blob([this.response]);\n          }\n\n        }else{\n          r = this.response;\n        }\n\n        deferred.resolve(r);\n      } else {\n        deferred.reject({\n          status: this.status,\n          message : this.response,\n          stack : new Error().stack\n        });\n      }\n    }\n  }\n\n  return deferred.promise;\n};\n\nmodule.exports = request;\n","var RSVP = require('rsvp');\nvar URI = require('urijs');\nvar core = require('./core');\nvar EpubCFI = require('./epubcfi');\nvar Hook = require('./hook');\nvar replacements = require('./replacements');\n\nfunction Section(item, hooks){\n    this.idref = item.idref;\n    this.linear = item.linear;\n    this.properties = item.properties;\n    this.index = item.index;\n    this.href = item.href;\n    this.url = item.url;\n    this.next = item.next;\n    this.prev = item.prev;\n\n    this.epubcfi = new EpubCFI();\n    this.cfiBase = item.cfiBase;\n\n    this.hooks = {};\n    this.hooks.serialize = new Hook(this);\n    this.hooks.content = new Hook(this);\n\n    // Register replacements\n    this.hooks.content.register(replacements.base);\n};\n\n\nSection.prototype.load = function(_request){\n  var request = _request || this.request || require('./request');\n  var loading = new RSVP.defer();\n  var loaded = loading.promise;\n\n  if(this.contents) {\n    loading.resolve(this.contents);\n  } else {\n    request(this.url)\n      .then(function(xml){\n        var base;\n        var directory = URI(this.url).directory();\n\n        this.document = xml;\n        this.contents = xml.documentElement;\n\n        return this.hooks.content.trigger(this.document, this);\n      }.bind(this))\n      .then(function(){\n        loading.resolve(this.contents);\n      }.bind(this))\n      .catch(function(error){\n        loading.reject(error);\n      });\n  }\n\n  return loaded;\n};\n\nSection.prototype.base = function(_document){\n    var task = new RSVP.defer();\n    var base = _document.createElement(\"base\"); // TODO: check if exists\n    var head;\n\n    base.setAttribute(\"href\", this.url);\n\n    if(_document) {\n      head = _document.querySelector(\"head\");\n    }\n    if(head) {\n      head.insertBefore(base, head.firstChild);\n      task.resolve();\n    } else {\n      task.reject(new Error(\"No head to insert into\"));\n    }\n\n\n    return task.promise;\n};\n\nSection.prototype.beforeSectionLoad = function(){\n  // Stub for a hook - replace me for now\n};\n\nSection.prototype.render = function(_request){\n  var rendering = new RSVP.defer();\n  var rendered = rendering.promise;\n  this.output; // TODO: better way to return this from hooks?\n\n  this.load(_request).\n    then(function(contents){\n      var serializer = new XMLSerializer();\n      this.output = serializer.serializeToString(contents);\n      return this.output;\n    }.bind(this)).\n    then(function(){\n      return this.hooks.serialize.trigger(this.output, this);\n    }.bind(this)).\n    then(function(){\n      rendering.resolve(this.output);\n    }.bind(this))\n    .catch(function(error){\n      rendering.reject(error);\n    });\n\n  return rendered;\n};\n\nSection.prototype.find = function(_query){\n\n};\n\n/**\n* Reconciles the current chapters layout properies with\n* the global layout properities.\n* Takes: global layout settings object, chapter properties string\n* Returns: Object with layout properties\n*/\nSection.prototype.reconcileLayoutSettings = function(global){\n  //-- Get the global defaults\n  var settings = {\n    layout : global.layout,\n    spread : global.spread,\n    orientation : global.orientation\n  };\n\n  //-- Get the chapter's display type\n  this.properties.forEach(function(prop){\n    var rendition = prop.replace(\"rendition:\", '');\n    var split = rendition.indexOf(\"-\");\n    var property, value;\n\n    if(split != -1){\n      property = rendition.slice(0, split);\n      value = rendition.slice(split+1);\n\n      settings[property] = value;\n    }\n  });\n return settings;\n};\n\nSection.prototype.cfiFromRange = function(_range) {\n  return this.epubcfi.generateCfiFromRange(_range, this.cfiBase);\n};\n\nSection.prototype.cfiFromElement = function(el) {\n  return this.epubcfi.generateCfiFromElement(el, this.cfiBase);\n};\n\nmodule.exports = Section;\n","var RSVP = require('rsvp');\nvar core = require('./core');\nvar EpubCFI = require('./epubcfi');\nvar Section = require('./section');\n\nfunction Spine(_request){\n  this.request = _request;\n  this.spineItems = [];\n  this.spineByHref = {};\n  this.spineById = {};\n\n};\n\nSpine.prototype.load = function(_package) {\n\n  this.items = _package.spine;\n  this.manifest = _package.manifest;\n  this.spineNodeIndex = _package.spineNodeIndex;\n  this.baseUrl = _package.baseUrl || '';\n  this.length = this.items.length;\n  this.epubcfi = new EpubCFI();\n\n  this.items.forEach(function(item, index){\n    var href, url;\n    var manifestItem = this.manifest[item.idref];\n    var spineItem;\n    item.cfiBase = this.epubcfi.generateChapterComponent(this.spineNodeIndex, item.index, item.idref);\n\n    if(manifestItem) {\n      item.href = manifestItem.href;\n      item.url = this.baseUrl + item.href;\n\n      if(manifestItem.properties.length){\n        item.properties.push.apply(item.properties, manifestItem.properties);\n      }\n    }\n\n    // if(index > 0) {\n      item.prev = function(){ return this.get(index-1); }.bind(this);\n    // }\n\n    // if(index+1 < this.items.length) {\n      item.next = function(){ return this.get(index+1); }.bind(this);\n    // }\n\n    spineItem = new Section(item);\n    this.append(spineItem);\n\n\n  }.bind(this));\n\n};\n\n// book.spine.get();\n// book.spine.get(1);\n// book.spine.get(\"chap1.html\");\n// book.spine.get(\"#id1234\");\nSpine.prototype.get = function(target) {\n  var index = 0;\n\n  if(this.epubcfi.isCfiString(target)) {\n    cfi = this.epubcfi.parse(target);\n    index = cfi.spinePos;\n  } else if(target && (typeof target === \"number\" || isNaN(target) === false)){\n    index = target;\n  } else if(target && target.indexOf(\"#\") === 0) {\n    index = this.spineById[target.substring(1)];\n  } else if(target) {\n    // Remove fragments\n    target = target.split(\"#\")[0];\n    index = this.spineByHref[target];\n  }\n\n  return this.spineItems[index] || null;\n};\n\nSpine.prototype.append = function(section) {\n  var index = this.spineItems.length;\n  section.index = index;\n\n  this.spineItems.push(section);\n\n  this.spineByHref[section.href] = index;\n  this.spineById[section.idref] = index;\n\n  return index;\n};\n\nSpine.prototype.prepend = function(section) {\n  var index = this.spineItems.unshift(section);\n  this.spineByHref[section.href] = 0;\n  this.spineById[section.idref] = 0;\n\n  // Re-index\n  this.spineItems.forEach(function(item, index){\n    item.index = index;\n  });\n\n  return 0;\n};\n\nSpine.prototype.insert = function(section, index) {\n\n};\n\nSpine.prototype.remove = function(section) {\n  var index = this.spineItems.indexOf(section);\n\n  if(index > -1) {\n    delete this.spineByHref[section.href];\n    delete this.spineById[section.idref];\n\n    return this.spineItems.splice(index, 1);\n  }\n};\n\nSpine.prototype.each = function() {\n\treturn this.spineItems.forEach.apply(this.spineItems, arguments);\n};\n\nmodule.exports = Spine;\n","var RSVP = require('rsvp');\nvar URI = require('urijs');\nvar core = require('./core');\nvar request = require('./request');\nvar mime = require('../libs/mime/mime');\n\nfunction Unarchive() {\n\n  this.checkRequirements();\n  this.urlCache = {};\n\n}\n\nUnarchive.prototype.checkRequirements = function(callback){\n  try {\n    if (typeof JSZip !== 'undefined') {\n      this.zip = new JSZip();\n    } else {\n      JSZip = require('jszip');\n      this.zip = new JSZip();\n    }\n  } catch (e) {\n    console.error(\"JSZip lib not loaded\");\n  }\n};\n\nUnarchive.prototype.open = function(zipUrl){\n\tif (zipUrl instanceof ArrayBuffer) {\n    return new RSVP.Promise(function(resolve, reject) {\n      this.zip = new JSZip(zipUrl);\n      resolve(this.zip);\n    });\n\t} else {\n\t\treturn request(zipUrl, \"binary\")\n      .then(function(data){\n\t\t\t  this.zip = new JSZip(data);\n        return this.zip;\n\t\t  }.bind(this));\n\t}\n};\n\nUnarchive.prototype.request = function(url, type){\n  var deferred = new RSVP.defer();\n  var response;\n  var r;\n\n  // If type isn't set, determine it from the file extension\n\tif(!type) {\n\t\turi = URI(url);\n\t\ttype = uri.suffix();\n\t}\n\n  if(type == 'blob'){\n    response = this.getBlob(url);\n  } else {\n    response = this.getText(url);\n  }\n\n  if (response) {\n    r = this.handleResponse(response, type);\n    deferred.resolve(r);\n  } else {\n    deferred.reject({\n      message : \"File not found in the epub: \" + url,\n      stack : new Error().stack\n    });\n  }\n  return deferred.promise;\n};\n\nUnarchive.prototype.handleResponse = function(response, type){\n  var r;\n\n  if(type == \"json\") {\n    r = JSON.parse(response);\n  }\n  else\n  if(core.isXml(type)) {\n    r = new DOMParser().parseFromString(response, \"text/xml\");\n\t}\n  else\n\tif(type == 'xhtml') {\n    r = new DOMParser().parseFromString(response, \"application/xhtml+xml\");\n\t}\n  else\n\tif(type == 'html' || type == 'htm') {\n    r = new DOMParser().parseFromString(response, \"text/html\");\n \t} else {\n \t  r = response;\n \t}\n\n  return r;\n};\n\nUnarchive.prototype.getBlob = function(url, _mimeType){\n\tvar decodededUrl = window.decodeURIComponent(url.substr(1)); // Remove first slash\n\tvar entry = this.zip.file(decodededUrl);\n  var mimeType;\n\n\tif(entry) {\n    mimeType = _mimeType || mime.lookup(entry.name);\n    return new Blob([entry.asUint8Array()], {type : mimeType});\n\t}\n};\n\nUnarchive.prototype.getText = function(url, encoding){\n\tvar decodededUrl = window.decodeURIComponent(url.substr(1)); // Remove first slash\n\tvar entry = this.zip.file(decodededUrl);\n\n\tif(entry) {\n    return entry.asText();\n\t}\n};\n\nUnarchive.prototype.createUrl = function(url, mime){\n\tvar deferred = new RSVP.defer();\n\tvar _URL = window.URL || window.webkitURL || window.mozURL;\n\tvar tempUrl;\n\tvar blob;\n\n\tif(url in this.urlCache) {\n\t\tdeferred.resolve(this.urlCache[url]);\n\t\treturn deferred.promise;\n\t}\n\n\tblob = this.getBlob(url);\n\n  if (blob) {\n    tempUrl = _URL.createObjectURL(blob);\n    deferred.resolve(tempUrl);\n    this.urlCache[url] = tempUrl;\n  } else {\n    deferred.reject({\n      message : \"File not found in the epub: \" + url,\n      stack : new Error().stack\n    });\n  }\n\n\treturn deferred.promise;\n};\n\nUnarchive.prototype.revokeUrl = function(url){\n\tvar _URL = window.URL || window.webkitURL || window.mozURL;\n\tvar fromCache = this.urlCache[url];\n\tif(fromCache) _URL.revokeObjectURL(fromCache);\n};\n\nmodule.exports = Unarchive;\n","var RSVP = require('rsvp');\nvar core = require('./core');\nvar EpubCFI = require('./epubcfi');\n\nfunction View(section, options) {\n  this.settings = options || {};\n\n  this.id = \"epubjs-view:\" + core.uuid();\n  this.section = section;\n  this.index = section.index;\n\n  this.element = document.createElement('div');\n  this.element.classList.add(\"epub-view\");\n\n\n  // this.element.style.minHeight = \"100px\";\n  this.element.style.height = \"0px\";\n  this.element.style.width = \"0px\";\n  this.element.style.overflow = \"hidden\";\n\n  this.added = false;\n  this.displayed = false;\n  this.rendered = false;\n\n  //this.width  = 0;\n  //this.height = 0;\n\n  // Blank Cfi for Parsing\n  this.epubcfi = new EpubCFI();\n\n  if(this.settings.axis && this.settings.axis == \"horizontal\"){\n    this.element.style.display = \"inline-block\";\n  } else {\n    this.element.style.display = \"block\";\n  }\n\n  // Dom events to listen for\n  this.listenedEvents = [\"keydown\", \"keyup\", \"keypressed\", \"mouseup\", \"mousedown\", \"click\", \"touchend\", \"touchstart\"];\n\n};\n\nView.prototype.create = function() {\n\n  if(this.iframe) {\n    return this.iframe;\n  }\n\n  this.iframe = document.createElement('iframe');\n  this.iframe.id = this.id;\n  this.iframe.scrolling = \"no\"; // Might need to be removed: breaks ios width calculations\n  this.iframe.style.overflow = \"hidden\";\n  this.iframe.seamless = \"seamless\";\n  // Back up if seamless isn't supported\n  this.iframe.style.border = \"none\";\n\n  this.resizing = true;\n\n  // this.iframe.style.display = \"none\";\n  this.element.style.visibility = \"hidden\";\n  this.iframe.style.visibility = \"hidden\";\n\n  this.iframe.style.width = \"0\";\n  this.iframe.style.height = \"0\";\n  this._width = 0;\n  this._height = 0;\n\n  this.element.appendChild(this.iframe);\n  this.added = true;\n\n  this.elementBounds = core.bounds(this.element);\n\n  // if(width || height){\n  //   this.resize(width, height);\n  // } else if(this.width && this.height){\n  //   this.resize(this.width, this.height);\n  // } else {\n  //   this.iframeBounds = core.bounds(this.iframe);\n  // }\n\n  // Firefox has trouble with baseURI and srcdoc\n  // Disabled for now\n  /*\n  if(!!(\"srcdoc\" in this.iframe)) {\n    this.supportsSrcdoc = true;\n  } else {\n    this.supportsSrcdoc = false;\n  }\n  */\n  this.supportsSrcdoc = false;\n\n  return this.iframe;\n};\n\n\nView.prototype.lock = function(what, width, height) {\n\n  var elBorders = core.borders(this.element);\n  var iframeBorders;\n\n  if(this.iframe) {\n    iframeBorders = core.borders(this.iframe);\n  } else {\n    iframeBorders = {width: 0, height: 0};\n  }\n\n  if(what == \"width\" && core.isNumber(width)){\n    this.lockedWidth = width - elBorders.width - iframeBorders.width;\n    this.resize(this.lockedWidth, width); //  width keeps ratio correct\n  }\n\n  if(what == \"height\" && core.isNumber(height)){\n    this.lockedHeight = height - elBorders.height - iframeBorders.height;\n    this.resize(width, this.lockedHeight);\n  }\n\n  if(what === \"both\" &&\n     core.isNumber(width) &&\n     core.isNumber(height)){\n\n    this.lockedWidth = width - elBorders.width - iframeBorders.width;\n    this.lockedHeight = height - elBorders.height - iframeBorders.height;\n\n    this.resize(this.lockedWidth, this.lockedHeight);\n  }\n\n  if(this.displayed && this.iframe) {\n\n      this.layout();\n      this.expand();\n\n  }\n\n\n\n};\n\nView.prototype.expand = function(force) {\n  var width = this.lockedWidth;\n  var height = this.lockedHeight;\n\n  var textWidth, textHeight;\n  // console.log(\"expanding a\")\n  if(!this.iframe || this._expanding) return;\n\n  this._expanding = true;\n\n  // Expand Horizontally\n  if(height && !width) {\n    // Get the width of the text\n    textWidth = this.textWidth();\n    // Check if the textWidth has changed\n    if(textWidth != this._textWidth){\n      // Get the contentWidth by resizing the iframe\n      // Check with a min reset of the textWidth\n      width = this.contentWidth(textWidth);\n      // Save the textWdith\n      this._textWidth = textWidth;\n      // Save the contentWidth\n      this._contentWidth = width;\n    } else {\n      // Otherwise assume content height hasn't changed\n      width = this._contentWidth;\n    }\n  }\n\n  // Expand Vertically\n  if(width && !height) {\n    textHeight = this.textHeight();\n    if(textHeight != this._textHeight){\n      height = this.contentHeight(textHeight);\n      this._textHeight = textHeight;\n      this._contentHeight = height;\n    } else {\n      height = this._contentHeight;\n    }\n  }\n\n  // Only Resize if dimensions have changed or\n  // if Frame is still hidden, so needs reframing\n  if(this._needsReframe || width != this._width || height != this._height){\n    this.resize(width, height);\n  }\n\n  this._expanding = false;\n};\n\nView.prototype.contentWidth = function(min) {\n  var prev;\n  var width;\n\n  // Save previous width\n  prev = this.iframe.style.width;\n  // Set the iframe size to min, width will only ever be greater\n  // Will preserve the aspect ratio\n  this.iframe.style.width = (min || 0) + \"px\";\n  // Get the scroll overflow width\n  width = this.document.body.scrollWidth;\n  // Reset iframe size back\n  this.iframe.style.width = prev;\n  return width;\n};\n\nView.prototype.contentHeight = function(min) {\n  var prev;\n  var height;\n\n  prev = this.iframe.style.height;\n  this.iframe.style.height = (min || 0) + \"px\";\n  height = this.document.body.scrollHeight;\n  this.iframe.style.height = prev;\n  return height;\n};\n\nView.prototype.textWidth = function() {\n  var width;\n  var range = this.document.createRange();\n\n  // Select the contents of frame\n  range.selectNodeContents(this.document.body);\n\n  // get the width of the text content\n  width = range.getBoundingClientRect().width;\n  return width;\n\n};\n\nView.prototype.textHeight = function() {\n  var height;\n  var range = this.document.createRange();\n\n  range.selectNodeContents(this.document.body);\n\n  height = range.getBoundingClientRect().height;\n  return height;\n};\n\nView.prototype.resize = function(width, height) {\n\n  if(!this.iframe) return;\n\n  if(core.isNumber(width)){\n    this.iframe.style.width = width + \"px\";\n    this._width = width;\n  }\n\n  if(core.isNumber(height)){\n    this.iframe.style.height = height + \"px\";\n    this._height = height;\n  }\n\n  this.iframeBounds = core.bounds(this.iframe);\n\n  this.reframe(this.iframeBounds.width, this.iframeBounds.height);\n\n};\n\nView.prototype.reframe = function(width, height) {\n  //var prevBounds;\n\n  if(!this.displayed) {\n    this._needsReframe = true;\n    return;\n  }\n\n  if(core.isNumber(width)){\n    this.element.style.width = width + \"px\";\n  }\n\n  if(core.isNumber(height)){\n    this.element.style.height = height + \"px\";\n  }\n\n  this.prevBounds = this.elementBounds;\n\n  this.elementBounds = core.bounds(this.element);\n\n  this.trigger(\"resized\", {\n    width: this.elementBounds.width,\n    height: this.elementBounds.height,\n    widthDelta: this.elementBounds.width - this.prevBounds.width,\n    heightDelta: this.elementBounds.height - this.prevBounds.height,\n  });\n\n};\n\nView.prototype.resized = function(e) {\n  /*\n  if (!this.resizing) {\n    if(this.iframe) {\n      // this.expand();\n    }\n  } else {\n    this.resizing = false;\n  }*/\n\n};\n\nView.prototype.render = function(_request) {\n\n  // if(this.rendering){\n  //   return this.displayed;\n  // }\n\n  this.rendering = true;\n  // this.displayingDefer = new RSVP.defer();\n  // this.displayedPromise = this.displaying.promise;\n\n  return this.section.render(_request)\n    .then(function(contents){\n      return this.load(contents);\n    }.bind(this));\n};\n\nView.prototype.load = function(contents) {\n  var loading = new RSVP.defer();\n  var loaded = loading.promise;\n\n  if(!this.iframe) {\n    loading.reject(new Error(\"No Iframe Available\"));\n    return loaded;\n  }\n\n  this.iframe.onload = function(event) {\n\n    this.window = this.iframe.contentWindow;\n    this.document = this.iframe.contentDocument;\n    this.rendering = false;\n    loading.resolve(this);\n\n  }.bind(this);\n\n  if(this.supportsSrcdoc){\n    this.iframe.srcdoc = contents;\n  } else {\n\n    this.document = this.iframe.contentDocument;\n\n    if(!this.document) {\n      loading.reject(new Error(\"No Document Available\"));\n      return loaded;\n    }\n\n    this.document.open();\n    this.document.write(contents);\n    this.document.close();\n\n  }\n\n  return loaded;\n};\n\n\nView.prototype.layout = function(layoutFunc) {\n\n  this.iframe.style.display = \"inline-block\";\n\n  // Reset Body Styles\n  this.document.body.style.margin = \"0\";\n  //this.document.body.style.display = \"inline-block\";\n  //this.document.documentElement.style.width = \"auto\";\n\n  if(layoutFunc){\n    layoutFunc(this);\n  }\n\n  this.onLayout(this);\n\n};\n\nView.prototype.onLayout = function(view) {\n  // stub\n};\n\nView.prototype.listeners = function() {\n  /*\n  setTimeout(function(){\n    this.window.addEventListener(\"resize\", this.resized.bind(this), false);\n  }.bind(this), 10); // Wait to listen for resize events\n  */\n\n  // Wait for fonts to load to finish\n  // http://dev.w3.org/csswg/css-font-loading/\n  // Not implemented fully except in chrome\n\n  if(this.document.fonts && this.document.fonts.status === \"loading\") {\n    // console.log(\"fonts unloaded\");\n    this.document.fonts.onloadingdone = function(){\n      // console.log(\"loaded fonts\");\n      this.expand();\n    }.bind(this);\n  }\n\n  if(this.section.properties.indexOf(\"scripted\") > -1){\n    this.observer = this.observe(this.document.body);\n  }\n\n  this.imageLoadListeners();\n\n  this.mediaQueryListeners();\n\n  // this.resizeListenters();\n\n  this.addEventListeners();\n\n  this.addSelectionListeners();\n};\n\nView.prototype.removeListeners = function() {\n\n  this.removeEventListeners();\n\n  this.removeSelectionListeners();\n};\n\nView.prototype.resizeListenters = function() {\n  // Test size again\n  clearTimeout(this.expanding);\n  this.expanding = setTimeout(this.expand.bind(this), 350);\n};\n\n//https://github.com/tylergaw/media-query-events/blob/master/js/mq-events.js\nView.prototype.mediaQueryListeners = function() {\n    var sheets = this.document.styleSheets;\n    var mediaChangeHandler = function(m){\n      if(m.matches && !this._expanding) {\n        setTimeout(this.expand.bind(this), 1);\n        // this.expand();\n      }\n    }.bind(this);\n\n    for (var i = 0; i < sheets.length; i += 1) {\n        var rules = sheets[i].cssRules;\n        if(!rules) return; // Stylesheets changed\n        for (var j = 0; j < rules.length; j += 1) {\n            //if (rules[j].constructor === CSSMediaRule) {\n            if(rules[j].media){\n                var mql = this.window.matchMedia(rules[j].media.mediaText);\n                mql.addListener(mediaChangeHandler);\n                //mql.onchange = mediaChangeHandler;\n            }\n        }\n    }\n};\n\nView.prototype.observe = function(target) {\n  var renderer = this;\n\n  // create an observer instance\n  var observer = new MutationObserver(function(mutations) {\n    if(renderer._expanding) {\n      renderer.expand();\n    }\n    // mutations.forEach(function(mutation) {\n    //   console.log(mutation);\n    // });\n  });\n\n  // configuration of the observer:\n  var config = { attributes: true, childList: true, characterData: true, subtree: true };\n\n  // pass in the target node, as well as the observer options\n  observer.observe(target, config);\n\n  return observer;\n};\n\n// View.prototype.appendTo = function(element) {\n//   this.element = element;\n//   this.element.appendChild(this.iframe);\n// };\n//\n// View.prototype.prependTo = function(element) {\n//   this.element = element;\n//   element.insertBefore(this.iframe, element.firstChild);\n// };\n\nView.prototype.imageLoadListeners = function(target) {\n  var images = this.document.body.querySelectorAll(\"img\");\n  var img;\n  for (var i = 0; i < images.length; i++) {\n    img = images[i];\n\n    if (typeof img.naturalWidth !== \"undefined\" &&\n        img.naturalWidth === 0) {\n      img.onload = this.expand.bind(this);\n    }\n  }\n};\n\nView.prototype.display = function() {\n  var displayed = new RSVP.defer();\n\n  this.displayed = true;\n\n  this.layout();\n\n  this.listeners();\n\n  this.expand();\n\n  this.trigger(\"displayed\", this);\n  this.onDisplayed(this);\n\n  displayed.resolve(this);\n\n  return displayed.promise;\n};\n\nView.prototype.show = function() {\n\n  this.element.style.visibility = \"visible\";\n\n  if(this.iframe){\n    this.iframe.style.visibility = \"visible\";\n  }\n\n  this.trigger(\"shown\", this);\n};\n\nView.prototype.hide = function() {\n  // this.iframe.style.display = \"none\";\n  this.element.style.visibility = \"hidden\";\n  this.iframe.style.visibility = \"hidden\";\n\n  this.stopExpanding = true;\n  this.trigger(\"hidden\", this);\n};\n\nView.prototype.position = function() {\n  return this.element.getBoundingClientRect();\n};\n\nView.prototype.onDisplayed = function(view) {\n  // Stub, override with a custom functions\n};\n\nView.prototype.bounds = function() {\n  if(!this.elementBounds) {\n    this.elementBounds = core.bounds(this.element);\n  }\n  return this.elementBounds;\n};\n\nView.prototype.destroy = function() {\n  // Stop observing\n  if(this.observer) {\n    this.observer.disconnect();\n  }\n\n  if(this.displayed){\n    this.removeListeners();\n\n    this.stopExpanding = true;\n    this.element.removeChild(this.iframe);\n    this.displayed = false;\n    this.iframe = null;\n\n    this._textWidth = null;\n    this._textHeight = null;\n    this._width = null;\n    this._height = null;\n  }\n  // this.element.style.height = \"0px\";\n  // this.element.style.width = \"0px\";\n};\n\nView.prototype.root = function() {\n  if(!this.document) return null;\n  return this.document.documentElement;\n};\n\nView.prototype.locationOf = function(target) {\n  var parentPos = this.iframe.getBoundingClientRect();\n  var targetPos = {\"left\": 0, \"top\": 0};\n\n  if(!this.document) return;\n\n  if(this.epubcfi.isCfiString(target)) {\n    cfi = this.epubcfi.parse(target);\n\n    if(typeof document.evaluate === 'undefined') {\n      marker = this.epubcfi.addMarker(cfi, this.document);\n      if(marker) {\n        // Must Clean up Marker before going to page\n        this.epubcfi.removeMarker(marker, this.document);\n\n        targetPos = marker.getBoundingClientRect();\n      }\n    } else {\n      range = this.epubcfi.generateRangeFromCfi(cfi, this.document);\n      if(range) {\n        targetPos = range.getBoundingClientRect();\n      }\n    }\n  } else if(typeof target === \"string\" &&\n    target.indexOf(\"#\") > -1) {\n\n    id = target.substring(target.indexOf(\"#\")+1);\n    el = this.document.getElementById(id);\n\n    if(el) {\n      targetPos = el.getBoundingClientRect();\n    }\n  }\n\n  return {\n    \"left\": window.scrollX + parentPos.left + targetPos.left,\n    \"top\": window.scrollY + parentPos.top + targetPos.top\n  };\n};\n\nView.prototype.addCss = function(src) {\n  return new RSVP.Promise(function(resolve, reject){\n    var $stylesheet;\n    var ready = false;\n\n    if(!this.document) {\n      resolve(false);\n      return;\n    }\n\n    $stylesheet = this.document.createElement('link');\n    $stylesheet.type = 'text/css';\n    $stylesheet.rel = \"stylesheet\";\n    $stylesheet.href = src;\n    $stylesheet.onload = $stylesheet.onreadystatechange = function() {\n      if ( !ready && (!this.readyState || this.readyState == 'complete') ) {\n        ready = true;\n        // Let apply\n        setTimeout(function(){\n          resolve(true);\n        }, 1);\n      }\n    };\n\n    this.document.head.appendChild($stylesheet);\n\n  }.bind(this));\n};\n\n// https://developer.mozilla.org/en-US/docs/Web/API/CSSStyleSheet/insertRule\nView.prototype.addStylesheetRules = function(rules) {\n  var styleEl;\n  var styleSheet;\n\n  if(!this.document) return;\n\n  styleEl = this.document.createElement('style');\n\n  // Append style element to head\n  this.document.head.appendChild(styleEl);\n\n  // Grab style sheet\n  styleSheet = styleEl.sheet;\n\n  for (var i = 0, rl = rules.length; i < rl; i++) {\n    var j = 1, rule = rules[i], selector = rules[i][0], propStr = '';\n    // If the second argument of a rule is an array of arrays, correct our variables.\n    if (Object.prototype.toString.call(rule[1][0]) === '[object Array]') {\n      rule = rule[1];\n      j = 0;\n    }\n\n    for (var pl = rule.length; j < pl; j++) {\n      var prop = rule[j];\n      propStr += prop[0] + ':' + prop[1] + (prop[2] ? ' !important' : '') + ';\\n';\n    }\n\n    // Insert CSS Rule\n    styleSheet.insertRule(selector + '{' + propStr + '}', styleSheet.cssRules.length);\n  }\n};\n\nView.prototype.addScript = function(src) {\n\n  return new RSVP.Promise(function(resolve, reject){\n    var $script;\n    var ready = false;\n\n    if(!this.document) {\n      resolve(false);\n      return;\n    }\n\n    $script = this.document.createElement('script');\n    $script.type = 'text/javascript';\n    $script.async = true;\n    $script.src = src;\n    $script.onload = $script.onreadystatechange = function() {\n      if ( !ready && (!this.readyState || this.readyState == 'complete') ) {\n        ready = true;\n        setTimeout(function(){\n          resolve(true);\n        }, 1);\n      }\n    };\n\n    this.document.head.appendChild($script);\n\n  }.bind(this));\n};\n\nView.prototype.addEventListeners = function(){\n  if(!this.document) {\n    return;\n  }\n  this.listenedEvents.forEach(function(eventName){\n    this.document.addEventListener(eventName, this.triggerEvent.bind(this), false);\n  }, this);\n\n};\n\nView.prototype.removeEventListeners = function(){\n  if(!this.document) {\n    return;\n  }\n  this.listenedEvents.forEach(function(eventName){\n    this.document.removeEventListener(eventName, this.triggerEvent, false);\n  }, this);\n\n};\n\n// Pass browser events\nView.prototype.triggerEvent = function(e){\n  this.trigger(e.type, e);\n};\n\nView.prototype.addSelectionListeners = function(){\n  if(!this.document) {\n    return;\n  }\n  this.document.addEventListener(\"selectionchange\", this.onSelectionChange.bind(this), false);\n};\n\nView.prototype.removeSelectionListeners = function(){\n  if(!this.document) {\n    return;\n  }\n  this.document.removeEventListener(\"selectionchange\", this.onSelectionChange, false);\n};\n\nView.prototype.onSelectionChange = function(e){\n  if (this.selectionEndTimeout) {\n    clearTimeout(this.selectionEndTimeout);\n  }\n  this.selectionEndTimeout = setTimeout(function() {\n    var selection = this.window.getSelection();\n    this.triggerSelectedEvent(selection);\n  }.bind(this), 500);\n};\n\nView.prototype.triggerSelectedEvent = function(selection){\n\tvar range = selection.getRangeAt(0);\n\tconsole.log(range);\n\tvar cfirange = this.section.cfiFromRange(range);\n  this.trigger(\"selected\", cfirange);\n};\n\nRSVP.EventTarget.mixin(View.prototype);\n\nmodule.exports = View;\n","function Views(container) {\n  this.container = container;\n  this._views = [];\n  this.length = 0;\n  this.hidden = false;\n};\n\nViews.prototype.first = function() {\n\treturn this._views[0];\n};\n\nViews.prototype.last = function() {\n\treturn this._views[this._views.length-1];\n};\n\nViews.prototype.each = function() {\n\treturn this._views.forEach.apply(this._views, arguments);\n};\n\nViews.prototype.indexOf = function(view) {\n\treturn this._views.indexOf(view);\n};\n\nViews.prototype.slice = function() {\n\treturn this._views.slice.apply(this._views, arguments);\n};\n\nViews.prototype.get = function(i) {\n\treturn this._views[i];\n};\n\nViews.prototype.append = function(view){\n\tthis._views.push(view);\n\tthis.container.appendChild(view.element);\n  this.length++;\n  return view;\n};\n\nViews.prototype.prepend = function(view){\n\tthis._views.unshift(view);\n\tthis.container.insertBefore(view.element, this.container.firstChild);\n  this.length++;\n  return view;\n};\n\nViews.prototype.insert = function(view, index) {\n\tthis._views.splice(index, 0, view);\n\n\tif(index < this.container.children.length){\n\t\tthis.container.insertBefore(view.element, this.container.children[index]);\n\t} else {\n\t\tthis.container.appendChild(view.element);\n\t}\n  this.length++;\n  return view;\n};\n\nViews.prototype.remove = function(view) {\n\tvar index = this._views.indexOf(view);\n\n\tif(index > -1) {\n\t\tthis._views.splice(index, 1);\n\t}\n\n\n\tthis.destroy(view);\n\n  this.length--;\n};\n\nViews.prototype.destroy = function(view) {\n\tview.off(\"resized\");\n\n\tif(view.displayed){\n\t\tview.destroy();\n\t}\n\n\tthis.container.removeChild(view.element);\n\tview = null;\n};\n\n// Iterators\n\nViews.prototype.clear = function(){\n\t// Remove all views\n  var view;\n  var len = this.length;\n\n  if(!this.length) return;\n\n  for (var i = 0; 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\"viv\",\n\t\t\"webm\" : \"webm\",\n\t\t\"x-f4v\" : \"f4v\",\n\t\t\"x-m4v\" : \"m4v\",\n\t\t\"x-ms-vob\" : \"vob\",\n\t\t\"x-smv\" : \"smv\"\n\t}\n};\n\nvar mimeTypes = (function() {\n\tvar type, subtype, val, index, mimeTypes = {};\n\tfor (type in table) {\n\t\tif (table.hasOwnProperty(type)) {\n\t\t\tfor (subtype in table[type]) {\n\t\t\t\tif (table[type].hasOwnProperty(subtype)) {\n\t\t\t\t\tval = table[type][subtype];\n\t\t\t\t\tif (typeof val == \"string\") {\n\t\t\t\t\t\tmimeTypes[val] = type + \"/\" + subtype;\n\t\t\t\t\t} else {\n\t\t\t\t\t\tfor (index = 0; index < val.length; index++) {\n\t\t\t\t\t\t\tmimeTypes[val[index]] = type + \"/\" + subtype;\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\treturn mimeTypes;\n})();\n\nvar defaultValue = \"text/plain\";//\"application/octet-stream\";\n\nfunction lookup(filename) {\n\treturn filename && mimeTypes[filename.split(\".\").pop().toLowerCase()] || defaultValue;\n};\n\nmodule.exports = {\n\t'lookup': lookup\n}\n","","// shim for using process in browser\n\nvar process = module.exports = {};\nvar queue = [];\nvar draining = false;\nvar currentQueue;\nvar queueIndex = -1;\n\nfunction cleanUpNextTick() {\n    draining = false;\n    if (currentQueue.length) {\n        queue = currentQueue.concat(queue);\n    } else {\n        queueIndex = -1;\n    }\n    if (queue.length) {\n        drainQueue();\n    }\n}\n\nfunction drainQueue() {\n    if (draining) {\n        return;\n    }\n    var timeout = setTimeout(cleanUpNextTick);\n    draining = true;\n\n    var len = queue.length;\n    while(len) {\n        currentQueue = queue;\n        queue = [];\n        while (++queueIndex < len) {\n            if (currentQueue) {\n                currentQueue[queueIndex].run();\n            }\n        }\n        queueIndex = -1;\n        len = queue.length;\n    }\n    currentQueue = null;\n    draining = false;\n    clearTimeout(timeout);\n}\n\nprocess.nextTick = function (fun) {\n    var args = new Array(arguments.length - 1);\n    if (arguments.length > 1) {\n        for (var i = 1; i < arguments.length; i++) {\n            args[i - 1] = arguments[i];\n        }\n    }\n    queue.push(new Item(fun, args));\n    if (queue.length === 1 && !draining) {\n        setTimeout(drainQueue, 0);\n    }\n};\n\n// v8 likes predictible objects\nfunction Item(fun, array) {\n    this.fun = fun;\n    this.array = array;\n}\nItem.prototype.run = function () {\n    this.fun.apply(null, this.array);\n};\nprocess.title = 'browser';\nprocess.browser = true;\nprocess.env = {};\nprocess.argv = [];\nprocess.version = ''; // empty string to avoid regexp issues\nprocess.versions = {};\n\nfunction noop() {}\n\nprocess.on = noop;\nprocess.addListener = noop;\nprocess.once = noop;\nprocess.off = noop;\nprocess.removeListener = noop;\nprocess.removeAllListeners = noop;\nprocess.emit = noop;\n\nprocess.binding = function (name) {\n    throw new Error('process.binding is not supported');\n};\n\nprocess.cwd = function () { return '/' };\nprocess.chdir = function (dir) {\n    throw new Error('process.chdir is not supported');\n};\nprocess.umask = function() { return 0; };\n","/*!\n * @overview RSVP - a tiny implementation of Promises/A+.\n * @copyright Copyright (c) 2014 Yehuda Katz, Tom Dale, Stefan Penner and contributors\n * @license   Licensed under MIT license\n *            See https://raw.githubusercontent.com/tildeio/rsvp.js/master/LICENSE\n * @version   3.1.0\n */\n\n(function() {\n    \"use strict\";\n    function lib$rsvp$utils$$objectOrFunction(x) {\n      return typeof x === 'function' || (typeof x === 'object' && x !== null);\n    }\n\n    function lib$rsvp$utils$$isFunction(x) {\n      return typeof x === 'function';\n    }\n\n    function lib$rsvp$utils$$isMaybeThenable(x) {\n      return typeof x === 'object' && x !== null;\n    }\n\n    var lib$rsvp$utils$$_isArray;\n    if (!Array.isArray) {\n      lib$rsvp$utils$$_isArray = function (x) {\n        return Object.prototype.toString.call(x) === '[object Array]';\n      };\n    } else {\n      lib$rsvp$utils$$_isArray = Array.isArray;\n    }\n\n    var lib$rsvp$utils$$isArray = lib$rsvp$utils$$_isArray;\n\n    var lib$rsvp$utils$$now = Date.now || function() { return new Date().getTime(); };\n\n    function lib$rsvp$utils$$F() { }\n\n    var lib$rsvp$utils$$o_create = (Object.create || function (o) {\n      if (arguments.length > 1) {\n        throw new Error('Second argument not supported');\n      }\n      if (typeof o !== 'object') {\n        throw new TypeError('Argument must be an object');\n      }\n      lib$rsvp$utils$$F.prototype = o;\n      return new lib$rsvp$utils$$F();\n    });\n    function lib$rsvp$events$$indexOf(callbacks, callback) {\n      for (var i=0, l=callbacks.length; i<l; i++) {\n        if (callbacks[i] === callback) { return i; }\n      }\n\n      return -1;\n    }\n\n    function lib$rsvp$events$$callbacksFor(object) {\n      var callbacks = object._promiseCallbacks;\n\n      if (!callbacks) {\n        callbacks = object._promiseCallbacks = {};\n      }\n\n      return callbacks;\n    }\n\n    var lib$rsvp$events$$default = {\n\n      /**\n        `RSVP.EventTarget.mixin` extends an object with EventTarget methods. For\n        Example:\n\n        ```javascript\n        var object = {};\n\n        RSVP.EventTarget.mixin(object);\n\n        object.on('finished', function(event) {\n          // handle event\n        });\n\n        object.trigger('finished', { detail: value });\n        ```\n\n        `EventTarget.mixin` also works with prototypes:\n\n        ```javascript\n        var Person = function() {};\n        RSVP.EventTarget.mixin(Person.prototype);\n\n        var yehuda = new Person();\n        var tom = new Person();\n\n        yehuda.on('poke', function(event) {\n          console.log('Yehuda says OW');\n        });\n\n        tom.on('poke', function(event) {\n          console.log('Tom says OW');\n        });\n\n        yehuda.trigger('poke');\n        tom.trigger('poke');\n        ```\n\n        @method mixin\n        @for RSVP.EventTarget\n        @private\n        @param {Object} object object to extend with EventTarget methods\n      */\n      'mixin': function(object) {\n        object['on']      = this['on'];\n        object['off']     = this['off'];\n        object['trigger'] = this['trigger'];\n        object._promiseCallbacks = undefined;\n        return object;\n      },\n\n      /**\n        Registers a callback to be executed when `eventName` is triggered\n\n        ```javascript\n        object.on('event', function(eventInfo){\n          // handle the event\n        });\n\n        object.trigger('event');\n        ```\n\n        @method on\n        @for RSVP.EventTarget\n        @private\n        @param {String} eventName name of the event to listen for\n        @param {Function} callback function to be called when the event is triggered.\n      */\n      'on': function(eventName, callback) {\n        if (typeof callback !== 'function') {\n          throw new TypeError('Callback must be a function');\n        }\n\n        var allCallbacks = lib$rsvp$events$$callbacksFor(this), callbacks;\n\n        callbacks = allCallbacks[eventName];\n\n        if (!callbacks) {\n          callbacks = allCallbacks[eventName] = [];\n        }\n\n        if (lib$rsvp$events$$indexOf(callbacks, callback) === -1) {\n          callbacks.push(callback);\n        }\n      },\n\n      /**\n        You can use `off` to stop firing a particular callback for an event:\n\n        ```javascript\n        function doStuff() { // do stuff! }\n        object.on('stuff', doStuff);\n\n        object.trigger('stuff'); // doStuff will be called\n\n        // Unregister ONLY the doStuff callback\n        object.off('stuff', doStuff);\n        object.trigger('stuff'); // doStuff will NOT be called\n        ```\n\n        If you don't pass a `callback` argument to `off`, ALL callbacks for the\n        event will not be executed when the event fires. For example:\n\n        ```javascript\n        var callback1 = function(){};\n        var callback2 = function(){};\n\n        object.on('stuff', callback1);\n        object.on('stuff', callback2);\n\n        object.trigger('stuff'); // callback1 and callback2 will be executed.\n\n        object.off('stuff');\n        object.trigger('stuff'); // callback1 and callback2 will not be executed!\n        ```\n\n        @method off\n        @for RSVP.EventTarget\n        @private\n        @param {String} eventName event to stop listening to\n        @param {Function} callback optional argument. If given, only the function\n        given will be removed from the event's callback queue. If no `callback`\n        argument is given, all callbacks will be removed from the event's callback\n        queue.\n      */\n      'off': function(eventName, callback) {\n        var allCallbacks = lib$rsvp$events$$callbacksFor(this), callbacks, index;\n\n        if (!callback) {\n          allCallbacks[eventName] = [];\n          return;\n        }\n\n        callbacks = allCallbacks[eventName];\n\n        index = lib$rsvp$events$$indexOf(callbacks, callback);\n\n        if (index !== -1) { callbacks.splice(index, 1); }\n      },\n\n      /**\n        Use `trigger` to fire custom events. For example:\n\n        ```javascript\n        object.on('foo', function(){\n          console.log('foo event happened!');\n        });\n        object.trigger('foo');\n        // 'foo event happened!' logged to the console\n        ```\n\n        You can also pass a value as a second argument to `trigger` that will be\n        passed as an argument to all event listeners for the event:\n\n        ```javascript\n        object.on('foo', function(value){\n          console.log(value.name);\n        });\n\n        object.trigger('foo', { name: 'bar' });\n        // 'bar' logged to the console\n        ```\n\n        @method trigger\n        @for RSVP.EventTarget\n        @private\n        @param {String} eventName name of the event to be triggered\n        @param {*} options optional value to be passed to any event handlers for\n        the given `eventName`\n      */\n      'trigger': function(eventName, options, label) {\n        var allCallbacks = lib$rsvp$events$$callbacksFor(this), callbacks, callback;\n\n        if (callbacks = allCallbacks[eventName]) {\n          // Don't cache the callbacks.length since it may grow\n          for (var i=0; i<callbacks.length; i++) {\n            callback = callbacks[i];\n\n            callback(options, label);\n          }\n        }\n      }\n    };\n\n    var lib$rsvp$config$$config = {\n      instrument: false\n    };\n\n    lib$rsvp$events$$default['mixin'](lib$rsvp$config$$config);\n\n    function lib$rsvp$config$$configure(name, value) {\n      if (name === 'onerror') {\n        // handle for legacy users that expect the actual\n        // error to be passed to their function added via\n        // `RSVP.configure('onerror', someFunctionHere);`\n        lib$rsvp$config$$config['on']('error', value);\n        return;\n      }\n\n      if (arguments.length === 2) {\n        lib$rsvp$config$$config[name] = value;\n      } else {\n        return lib$rsvp$config$$config[name];\n      }\n    }\n\n    var lib$rsvp$instrument$$queue = [];\n\n    function lib$rsvp$instrument$$scheduleFlush() {\n      setTimeout(function() {\n        var entry;\n        for (var i = 0; i < lib$rsvp$instrument$$queue.length; i++) {\n          entry = lib$rsvp$instrument$$queue[i];\n\n          var payload = entry.payload;\n\n          payload.guid = payload.key + payload.id;\n          payload.childGuid = payload.key + payload.childId;\n          if (payload.error) {\n            payload.stack = payload.error.stack;\n          }\n\n          lib$rsvp$config$$config['trigger'](entry.name, entry.payload);\n        }\n        lib$rsvp$instrument$$queue.length = 0;\n      }, 50);\n    }\n\n    function lib$rsvp$instrument$$instrument(eventName, promise, child) {\n      if (1 === lib$rsvp$instrument$$queue.push({\n        name: eventName,\n        payload: {\n          key: promise._guidKey,\n          id:  promise._id,\n          eventName: eventName,\n          detail: promise._result,\n          childId: child && child._id,\n          label: promise._label,\n          timeStamp: lib$rsvp$utils$$now(),\n          error: lib$rsvp$config$$config[\"instrument-with-stack\"] ? new Error(promise._label) : null\n        }})) {\n          lib$rsvp$instrument$$scheduleFlush();\n        }\n      }\n    var lib$rsvp$instrument$$default = lib$rsvp$instrument$$instrument;\n\n    function  lib$rsvp$$internal$$withOwnPromise() {\n      return new TypeError('A promises callback cannot return that same promise.');\n    }\n\n    function lib$rsvp$$internal$$noop() {}\n\n    var lib$rsvp$$internal$$PENDING   = void 0;\n    var lib$rsvp$$internal$$FULFILLED = 1;\n    var lib$rsvp$$internal$$REJECTED  = 2;\n\n    var lib$rsvp$$internal$$GET_THEN_ERROR = new lib$rsvp$$internal$$ErrorObject();\n\n    function lib$rsvp$$internal$$getThen(promise) {\n      try {\n        return promise.then;\n      } catch(error) {\n        lib$rsvp$$internal$$GET_THEN_ERROR.error = error;\n        return lib$rsvp$$internal$$GET_THEN_ERROR;\n      }\n    }\n\n    function lib$rsvp$$internal$$tryThen(then, value, fulfillmentHandler, rejectionHandler) {\n      try {\n        then.call(value, fulfillmentHandler, rejectionHandler);\n      } catch(e) {\n        return e;\n      }\n    }\n\n    function lib$rsvp$$internal$$handleForeignThenable(promise, thenable, then) {\n      lib$rsvp$config$$config.async(function(promise) {\n        var sealed = false;\n        var error = lib$rsvp$$internal$$tryThen(then, thenable, function(value) {\n          if (sealed) { return; }\n          sealed = true;\n          if (thenable !== value) {\n            lib$rsvp$$internal$$resolve(promise, value);\n          } else {\n            lib$rsvp$$internal$$fulfill(promise, value);\n          }\n        }, function(reason) {\n          if (sealed) { return; }\n          sealed = true;\n\n          lib$rsvp$$internal$$reject(promise, reason);\n        }, 'Settle: ' + (promise._label || ' unknown promise'));\n\n        if (!sealed && error) {\n          sealed = true;\n          lib$rsvp$$internal$$reject(promise, error);\n        }\n      }, promise);\n    }\n\n    function lib$rsvp$$internal$$handleOwnThenable(promise, thenable) {\n      if (thenable._state === lib$rsvp$$internal$$FULFILLED) {\n        lib$rsvp$$internal$$fulfill(promise, thenable._result);\n      } else if (thenable._state === lib$rsvp$$internal$$REJECTED) {\n        thenable._onError = null;\n        lib$rsvp$$internal$$reject(promise, thenable._result);\n      } else {\n        lib$rsvp$$internal$$subscribe(thenable, undefined, function(value) {\n          if (thenable !== value) {\n            lib$rsvp$$internal$$resolve(promise, value);\n          } else {\n            lib$rsvp$$internal$$fulfill(promise, value);\n          }\n        }, function(reason) {\n          lib$rsvp$$internal$$reject(promise, reason);\n        });\n      }\n    }\n\n    function lib$rsvp$$internal$$handleMaybeThenable(promise, maybeThenable) {\n      if (maybeThenable.constructor === promise.constructor) {\n        lib$rsvp$$internal$$handleOwnThenable(promise, maybeThenable);\n      } else {\n        var then = lib$rsvp$$internal$$getThen(maybeThenable);\n\n        if (then === lib$rsvp$$internal$$GET_THEN_ERROR) {\n          lib$rsvp$$internal$$reject(promise, lib$rsvp$$internal$$GET_THEN_ERROR.error);\n        } else if (then === undefined) {\n          lib$rsvp$$internal$$fulfill(promise, maybeThenable);\n        } else if (lib$rsvp$utils$$isFunction(then)) {\n          lib$rsvp$$internal$$handleForeignThenable(promise, maybeThenable, then);\n        } else {\n          lib$rsvp$$internal$$fulfill(promise, maybeThenable);\n        }\n      }\n    }\n\n    function lib$rsvp$$internal$$resolve(promise, value) {\n      if (promise === value) {\n        lib$rsvp$$internal$$fulfill(promise, value);\n      } else if (lib$rsvp$utils$$objectOrFunction(value)) {\n        lib$rsvp$$internal$$handleMaybeThenable(promise, value);\n      } else {\n        lib$rsvp$$internal$$fulfill(promise, value);\n      }\n    }\n\n    function lib$rsvp$$internal$$publishRejection(promise) {\n      if (promise._onError) {\n        promise._onError(promise._result);\n      }\n\n      lib$rsvp$$internal$$publish(promise);\n    }\n\n    function lib$rsvp$$internal$$fulfill(promise, value) {\n      if (promise._state !== lib$rsvp$$internal$$PENDING) { return; }\n\n      promise._result = value;\n      promise._state = lib$rsvp$$internal$$FULFILLED;\n\n      if (promise._subscribers.length === 0) {\n        if (lib$rsvp$config$$config.instrument) {\n          lib$rsvp$instrument$$default('fulfilled', promise);\n        }\n      } else {\n        lib$rsvp$config$$config.async(lib$rsvp$$internal$$publish, promise);\n      }\n    }\n\n    function lib$rsvp$$internal$$reject(promise, reason) {\n      if (promise._state !== lib$rsvp$$internal$$PENDING) { return; }\n      promise._state = lib$rsvp$$internal$$REJECTED;\n      promise._result = reason;\n      lib$rsvp$config$$config.async(lib$rsvp$$internal$$publishRejection, promise);\n    }\n\n    function lib$rsvp$$internal$$subscribe(parent, child, onFulfillment, onRejection) {\n      var subscribers = parent._subscribers;\n      var length = subscribers.length;\n\n      parent._onError = null;\n\n      subscribers[length] = child;\n      subscribers[length + lib$rsvp$$internal$$FULFILLED] = onFulfillment;\n      subscribers[length + lib$rsvp$$internal$$REJECTED]  = onRejection;\n\n      if (length === 0 && parent._state) {\n        lib$rsvp$config$$config.async(lib$rsvp$$internal$$publish, parent);\n      }\n    }\n\n    function lib$rsvp$$internal$$publish(promise) {\n      var subscribers = promise._subscribers;\n      var settled = promise._state;\n\n      if (lib$rsvp$config$$config.instrument) {\n        lib$rsvp$instrument$$default(settled === lib$rsvp$$internal$$FULFILLED ? 'fulfilled' : 'rejected', promise);\n      }\n\n      if (subscribers.length === 0) { return; }\n\n      var child, callback, detail = promise._result;\n\n      for (var i = 0; i < subscribers.length; i += 3) {\n        child = subscribers[i];\n        callback = subscribers[i + settled];\n\n        if (child) {\n          lib$rsvp$$internal$$invokeCallback(settled, child, callback, detail);\n        } else {\n          callback(detail);\n        }\n      }\n\n      promise._subscribers.length = 0;\n    }\n\n    function lib$rsvp$$internal$$ErrorObject() {\n      this.error = null;\n    }\n\n    var lib$rsvp$$internal$$TRY_CATCH_ERROR = new lib$rsvp$$internal$$ErrorObject();\n\n    function lib$rsvp$$internal$$tryCatch(callback, detail) {\n      try {\n        return callback(detail);\n      } catch(e) {\n        lib$rsvp$$internal$$TRY_CATCH_ERROR.error = e;\n        return lib$rsvp$$internal$$TRY_CATCH_ERROR;\n      }\n    }\n\n    function lib$rsvp$$internal$$invokeCallback(settled, promise, callback, detail) {\n      var hasCallback = lib$rsvp$utils$$isFunction(callback),\n          value, error, succeeded, failed;\n\n      if (hasCallback) {\n        value = lib$rsvp$$internal$$tryCatch(callback, detail);\n\n        if (value === lib$rsvp$$internal$$TRY_CATCH_ERROR) {\n          failed = true;\n          error = value.error;\n          value = null;\n        } else {\n          succeeded = true;\n        }\n\n        if (promise === value) {\n          lib$rsvp$$internal$$reject(promise, lib$rsvp$$internal$$withOwnPromise());\n          return;\n        }\n\n      } else {\n        value = detail;\n        succeeded = true;\n      }\n\n      if (promise._state !== lib$rsvp$$internal$$PENDING) {\n        // noop\n      } else if (hasCallback && succeeded) {\n        lib$rsvp$$internal$$resolve(promise, value);\n      } else if (failed) {\n        lib$rsvp$$internal$$reject(promise, error);\n      } else if (settled === lib$rsvp$$internal$$FULFILLED) {\n        lib$rsvp$$internal$$fulfill(promise, value);\n      } else if (settled === lib$rsvp$$internal$$REJECTED) {\n        lib$rsvp$$internal$$reject(promise, value);\n      }\n    }\n\n    function lib$rsvp$$internal$$initializePromise(promise, resolver) {\n      var resolved = false;\n      try {\n        resolver(function resolvePromise(value){\n          if (resolved) { return; }\n          resolved = true;\n          lib$rsvp$$internal$$resolve(promise, value);\n        }, function rejectPromise(reason) {\n          if (resolved) { return; }\n          resolved = true;\n          lib$rsvp$$internal$$reject(promise, reason);\n        });\n      } catch(e) {\n        lib$rsvp$$internal$$reject(promise, e);\n      }\n    }\n\n    function lib$rsvp$enumerator$$makeSettledResult(state, position, value) {\n      if (state === lib$rsvp$$internal$$FULFILLED) {\n        return {\n          state: 'fulfilled',\n          value: value\n        };\n      } else {\n         return {\n          state: 'rejected',\n          reason: value\n        };\n      }\n    }\n\n    function lib$rsvp$enumerator$$Enumerator(Constructor, input, abortOnReject, label) {\n      var enumerator = this;\n\n      enumerator._instanceConstructor = Constructor;\n      enumerator.promise = new Constructor(lib$rsvp$$internal$$noop, label);\n      enumerator._abortOnReject = abortOnReject;\n\n      if (enumerator._validateInput(input)) {\n        enumerator._input     = input;\n        enumerator.length     = input.length;\n        enumerator._remaining = input.length;\n\n        enumerator._init();\n\n        if (enumerator.length === 0) {\n          lib$rsvp$$internal$$fulfill(enumerator.promise, enumerator._result);\n        } else {\n          enumerator.length = enumerator.length || 0;\n          enumerator._enumerate();\n          if (enumerator._remaining === 0) {\n            lib$rsvp$$internal$$fulfill(enumerator.promise, enumerator._result);\n          }\n        }\n      } else {\n        lib$rsvp$$internal$$reject(enumerator.promise, enumerator._validationError());\n      }\n    }\n\n    var lib$rsvp$enumerator$$default = lib$rsvp$enumerator$$Enumerator;\n\n    lib$rsvp$enumerator$$Enumerator.prototype._validateInput = function(input) {\n      return lib$rsvp$utils$$isArray(input);\n    };\n\n    lib$rsvp$enumerator$$Enumerator.prototype._validationError = function() {\n      return new Error('Array Methods must be provided an Array');\n    };\n\n    lib$rsvp$enumerator$$Enumerator.prototype._init = function() {\n      this._result = new Array(this.length);\n    };\n\n    lib$rsvp$enumerator$$Enumerator.prototype._enumerate = function() {\n      var enumerator = this;\n      var length     = enumerator.length;\n      var promise    = enumerator.promise;\n      var input      = enumerator._input;\n\n      for (var i = 0; promise._state === lib$rsvp$$internal$$PENDING && i < length; i++) {\n        enumerator._eachEntry(input[i], i);\n      }\n    };\n\n    lib$rsvp$enumerator$$Enumerator.prototype._eachEntry = function(entry, i) {\n      var enumerator = this;\n      var c = enumerator._instanceConstructor;\n      if (lib$rsvp$utils$$isMaybeThenable(entry)) {\n        if (entry.constructor === c && entry._state !== lib$rsvp$$internal$$PENDING) {\n          entry._onError = null;\n          enumerator._settledAt(entry._state, i, entry._result);\n        } else {\n          enumerator._willSettleAt(c.resolve(entry), i);\n        }\n      } else {\n        enumerator._remaining--;\n        enumerator._result[i] = enumerator._makeResult(lib$rsvp$$internal$$FULFILLED, i, entry);\n      }\n    };\n\n    lib$rsvp$enumerator$$Enumerator.prototype._settledAt = function(state, i, value) {\n      var enumerator = this;\n      var promise = enumerator.promise;\n\n      if (promise._state === lib$rsvp$$internal$$PENDING) {\n        enumerator._remaining--;\n\n        if (enumerator._abortOnReject && state === lib$rsvp$$internal$$REJECTED) {\n          lib$rsvp$$internal$$reject(promise, value);\n        } else {\n          enumerator._result[i] = enumerator._makeResult(state, i, value);\n        }\n      }\n\n      if (enumerator._remaining === 0) {\n        lib$rsvp$$internal$$fulfill(promise, enumerator._result);\n      }\n    };\n\n    lib$rsvp$enumerator$$Enumerator.prototype._makeResult = function(state, i, value) {\n      return value;\n    };\n\n    lib$rsvp$enumerator$$Enumerator.prototype._willSettleAt = function(promise, i) {\n      var enumerator = this;\n\n      lib$rsvp$$internal$$subscribe(promise, undefined, function(value) {\n        enumerator._settledAt(lib$rsvp$$internal$$FULFILLED, i, value);\n      }, function(reason) {\n        enumerator._settledAt(lib$rsvp$$internal$$REJECTED, i, reason);\n      });\n    };\n    function lib$rsvp$promise$all$$all(entries, label) {\n      return new lib$rsvp$enumerator$$default(this, entries, true /* abort on reject */, label).promise;\n    }\n    var lib$rsvp$promise$all$$default = lib$rsvp$promise$all$$all;\n    function lib$rsvp$promise$race$$race(entries, label) {\n      /*jshint validthis:true */\n      var Constructor = this;\n\n      var promise = new Constructor(lib$rsvp$$internal$$noop, label);\n\n      if (!lib$rsvp$utils$$isArray(entries)) {\n        lib$rsvp$$internal$$reject(promise, new TypeError('You must pass an array to race.'));\n        return promise;\n      }\n\n      var length = entries.length;\n\n      function onFulfillment(value) {\n        lib$rsvp$$internal$$resolve(promise, value);\n      }\n\n      function onRejection(reason) {\n        lib$rsvp$$internal$$reject(promise, reason);\n      }\n\n      for (var i = 0; promise._state === lib$rsvp$$internal$$PENDING && i < length; i++) {\n        lib$rsvp$$internal$$subscribe(Constructor.resolve(entries[i]), undefined, onFulfillment, onRejection);\n      }\n\n      return promise;\n    }\n    var lib$rsvp$promise$race$$default = lib$rsvp$promise$race$$race;\n    function lib$rsvp$promise$resolve$$resolve(object, label) {\n      /*jshint validthis:true */\n      var Constructor = this;\n\n      if (object && typeof object === 'object' && object.constructor === Constructor) {\n        return object;\n      }\n\n      var promise = new Constructor(lib$rsvp$$internal$$noop, label);\n      lib$rsvp$$internal$$resolve(promise, object);\n      return promise;\n    }\n    var lib$rsvp$promise$resolve$$default = lib$rsvp$promise$resolve$$resolve;\n    function lib$rsvp$promise$reject$$reject(reason, label) {\n      /*jshint validthis:true */\n      var Constructor = this;\n      var promise = new Constructor(lib$rsvp$$internal$$noop, label);\n      lib$rsvp$$internal$$reject(promise, reason);\n      return promise;\n    }\n    var lib$rsvp$promise$reject$$default = lib$rsvp$promise$reject$$reject;\n\n    var lib$rsvp$promise$$guidKey = 'rsvp_' + lib$rsvp$utils$$now() + '-';\n    var lib$rsvp$promise$$counter = 0;\n\n    function lib$rsvp$promise$$needsResolver() {\n      throw new TypeError('You must pass a resolver function as the first argument to the promise constructor');\n    }\n\n    function lib$rsvp$promise$$needsNew() {\n      throw new TypeError(\"Failed to construct 'Promise': Please use the 'new' operator, this object constructor cannot be called as a function.\");\n    }\n\n    function lib$rsvp$promise$$Promise(resolver, label) {\n      var promise = this;\n\n      promise._id = lib$rsvp$promise$$counter++;\n      promise._label = label;\n      promise._state = undefined;\n      promise._result = undefined;\n      promise._subscribers = [];\n\n      if (lib$rsvp$config$$config.instrument) {\n        lib$rsvp$instrument$$default('created', promise);\n      }\n\n      if (lib$rsvp$$internal$$noop !== resolver) {\n        if (!lib$rsvp$utils$$isFunction(resolver)) {\n          lib$rsvp$promise$$needsResolver();\n        }\n\n        if (!(promise instanceof lib$rsvp$promise$$Promise)) {\n          lib$rsvp$promise$$needsNew();\n        }\n\n        lib$rsvp$$internal$$initializePromise(promise, resolver);\n      }\n    }\n\n    var lib$rsvp$promise$$default = lib$rsvp$promise$$Promise;\n\n    // deprecated\n    lib$rsvp$promise$$Promise.cast = lib$rsvp$promise$resolve$$default;\n    lib$rsvp$promise$$Promise.all = lib$rsvp$promise$all$$default;\n    lib$rsvp$promise$$Promise.race = lib$rsvp$promise$race$$default;\n    lib$rsvp$promise$$Promise.resolve = lib$rsvp$promise$resolve$$default;\n    lib$rsvp$promise$$Promise.reject = lib$rsvp$promise$reject$$default;\n\n    lib$rsvp$promise$$Promise.prototype = {\n      constructor: lib$rsvp$promise$$Promise,\n\n      _guidKey: lib$rsvp$promise$$guidKey,\n\n      _onError: function (reason) {\n        var promise = this;\n        lib$rsvp$config$$config.after(function() {\n          if (promise._onError) {\n            lib$rsvp$config$$config['trigger']('error', reason, promise._label);\n          }\n        });\n      },\n\n    /**\n      The primary way of interacting with a promise is through its `then` method,\n      which registers callbacks to receive either a promise's eventual value or the\n      reason why the promise cannot be fulfilled.\n\n      ```js\n      findUser().then(function(user){\n        // user is available\n      }, function(reason){\n        // user is unavailable, and you are given the reason why\n      });\n      ```\n\n      Chaining\n      --------\n\n      The return value of `then` is itself a promise.  This second, 'downstream'\n      promise is resolved with the return value of the first promise's fulfillment\n      or rejection handler, or rejected if the handler throws an exception.\n\n      ```js\n      findUser().then(function (user) {\n        return user.name;\n      }, function (reason) {\n        return 'default name';\n      }).then(function (userName) {\n        // If `findUser` fulfilled, `userName` will be the user's name, otherwise it\n        // will be `'default name'`\n      });\n\n      findUser().then(function (user) {\n        throw new Error('Found user, but still unhappy');\n      }, function (reason) {\n        throw new Error('`findUser` rejected and we're unhappy');\n      }).then(function (value) {\n        // never reached\n      }, function (reason) {\n        // if `findUser` fulfilled, `reason` will be 'Found user, but still unhappy'.\n        // If `findUser` rejected, `reason` will be '`findUser` rejected and we're unhappy'.\n      });\n      ```\n      If the downstream promise does not specify a rejection handler, rejection reasons will be propagated further downstream.\n\n      ```js\n      findUser().then(function (user) {\n        throw new PedagogicalException('Upstream error');\n      }).then(function (value) {\n        // never reached\n      }).then(function (value) {\n        // never reached\n      }, function (reason) {\n        // The `PedgagocialException` is propagated all the way down to here\n      });\n      ```\n\n      Assimilation\n      ------------\n\n      Sometimes the value you want to propagate to a downstream promise can only be\n      retrieved asynchronously. This can be achieved by returning a promise in the\n      fulfillment or rejection handler. The downstream promise will then be pending\n      until the returned promise is settled. This is called *assimilation*.\n\n      ```js\n      findUser().then(function (user) {\n        return findCommentsByAuthor(user);\n      }).then(function (comments) {\n        // The user's comments are now available\n      });\n      ```\n\n      If the assimliated promise rejects, then the downstream promise will also reject.\n\n      ```js\n      findUser().then(function (user) {\n        return findCommentsByAuthor(user);\n      }).then(function (comments) {\n        // If `findCommentsByAuthor` fulfills, we'll have the value here\n      }, function (reason) {\n        // If `findCommentsByAuthor` rejects, we'll have the reason here\n      });\n      ```\n\n      Simple Example\n      --------------\n\n      Synchronous Example\n\n      ```javascript\n      var result;\n\n      try {\n        result = findResult();\n        // success\n      } catch(reason) {\n        // failure\n      }\n      ```\n\n      Errback Example\n\n      ```js\n      findResult(function(result, err){\n        if (err) {\n          // failure\n        } else {\n          // success\n        }\n      });\n      ```\n\n      Promise Example;\n\n      ```javascript\n      findResult().then(function(result){\n        // success\n      }, function(reason){\n        // failure\n      });\n      ```\n\n      Advanced Example\n      --------------\n\n      Synchronous Example\n\n      ```javascript\n      var author, books;\n\n      try {\n        author = findAuthor();\n        books  = findBooksByAuthor(author);\n        // success\n      } catch(reason) {\n        // failure\n      }\n      ```\n\n      Errback Example\n\n      ```js\n\n      function foundBooks(books) {\n\n      }\n\n      function failure(reason) {\n\n      }\n\n      findAuthor(function(author, err){\n        if (err) {\n          failure(err);\n          // failure\n        } else {\n          try {\n            findBoooksByAuthor(author, function(books, err) {\n              if (err) {\n                failure(err);\n              } else {\n                try {\n                  foundBooks(books);\n                } catch(reason) {\n                  failure(reason);\n                }\n              }\n            });\n          } catch(error) {\n            failure(err);\n          }\n          // success\n        }\n      });\n      ```\n\n      Promise Example;\n\n      ```javascript\n      findAuthor().\n        then(findBooksByAuthor).\n        then(function(books){\n          // found books\n      }).catch(function(reason){\n        // something went wrong\n      });\n      ```\n\n      @method then\n      @param {Function} onFulfillment\n      @param {Function} onRejection\n      @param {String} label optional string for labeling the promise.\n      Useful for tooling.\n      @return {Promise}\n    */\n      then: function(onFulfillment, onRejection, label) {\n        var parent = this;\n        var state = parent._state;\n\n        if (state === lib$rsvp$$internal$$FULFILLED && !onFulfillment || state === lib$rsvp$$internal$$REJECTED && !onRejection) {\n          if (lib$rsvp$config$$config.instrument) {\n            lib$rsvp$instrument$$default('chained', parent, parent);\n          }\n          return parent;\n        }\n\n        parent._onError = null;\n\n        var child = new parent.constructor(lib$rsvp$$internal$$noop, label);\n        var result = parent._result;\n\n        if (lib$rsvp$config$$config.instrument) {\n          lib$rsvp$instrument$$default('chained', parent, child);\n        }\n\n        if (state) {\n          var callback = arguments[state - 1];\n          lib$rsvp$config$$config.async(function(){\n            lib$rsvp$$internal$$invokeCallback(state, child, callback, result);\n          });\n        } else {\n          lib$rsvp$$internal$$subscribe(parent, child, onFulfillment, onRejection);\n        }\n\n        return child;\n      },\n\n    /**\n      `catch` is simply sugar for `then(undefined, onRejection)` which makes it the same\n      as the catch block of a try/catch statement.\n\n      ```js\n      function findAuthor(){\n        throw new Error('couldn't find that author');\n      }\n\n      // synchronous\n      try {\n        findAuthor();\n      } catch(reason) {\n        // something went wrong\n      }\n\n      // async with promises\n      findAuthor().catch(function(reason){\n        // something went wrong\n      });\n      ```\n\n      @method catch\n      @param {Function} onRejection\n      @param {String} label optional string for labeling the promise.\n      Useful for tooling.\n      @return {Promise}\n    */\n      'catch': function(onRejection, label) {\n        return this.then(undefined, onRejection, label);\n      },\n\n    /**\n      `finally` will be invoked regardless of the promise's fate just as native\n      try/catch/finally behaves\n\n      Synchronous example:\n\n      ```js\n      findAuthor() {\n        if (Math.random() > 0.5) {\n          throw new Error();\n        }\n        return new Author();\n      }\n\n      try {\n        return findAuthor(); // succeed or fail\n      } catch(error) {\n        return findOtherAuther();\n      } finally {\n        // always runs\n        // doesn't affect the return value\n      }\n      ```\n\n      Asynchronous example:\n\n      ```js\n      findAuthor().catch(function(reason){\n        return findOtherAuther();\n      }).finally(function(){\n        // author was either found, or not\n      });\n      ```\n\n      @method finally\n      @param {Function} callback\n      @param {String} label optional string for labeling the promise.\n      Useful for tooling.\n      @return {Promise}\n    */\n      'finally': function(callback, label) {\n        var promise = this;\n        var constructor = promise.constructor;\n\n        return promise.then(function(value) {\n          return constructor.resolve(callback()).then(function(){\n            return value;\n          });\n        }, function(reason) {\n          return constructor.resolve(callback()).then(function(){\n            throw reason;\n          });\n        }, label);\n      }\n    };\n\n    function lib$rsvp$all$settled$$AllSettled(Constructor, entries, label) {\n      this._superConstructor(Constructor, entries, false /* don't abort on reject */, label);\n    }\n\n    lib$rsvp$all$settled$$AllSettled.prototype = lib$rsvp$utils$$o_create(lib$rsvp$enumerator$$default.prototype);\n    lib$rsvp$all$settled$$AllSettled.prototype._superConstructor = lib$rsvp$enumerator$$default;\n    lib$rsvp$all$settled$$AllSettled.prototype._makeResult = lib$rsvp$enumerator$$makeSettledResult;\n    lib$rsvp$all$settled$$AllSettled.prototype._validationError = function() {\n      return new Error('allSettled must be called with an array');\n    };\n\n    function lib$rsvp$all$settled$$allSettled(entries, label) {\n      return new lib$rsvp$all$settled$$AllSettled(lib$rsvp$promise$$default, entries, label).promise;\n    }\n    var lib$rsvp$all$settled$$default = lib$rsvp$all$settled$$allSettled;\n    function lib$rsvp$all$$all(array, label) {\n      return lib$rsvp$promise$$default.all(array, label);\n    }\n    var lib$rsvp$all$$default = lib$rsvp$all$$all;\n    var lib$rsvp$asap$$len = 0;\n    var lib$rsvp$asap$$toString = {}.toString;\n    var lib$rsvp$asap$$vertxNext;\n    function lib$rsvp$asap$$asap(callback, arg) {\n      lib$rsvp$asap$$queue[lib$rsvp$asap$$len] = callback;\n      lib$rsvp$asap$$queue[lib$rsvp$asap$$len + 1] = arg;\n      lib$rsvp$asap$$len += 2;\n      if (lib$rsvp$asap$$len === 2) {\n        // If len is 1, that means that we need to schedule an async flush.\n        // If additional callbacks are queued before the queue is flushed, they\n        // will be processed by this flush that we are scheduling.\n        lib$rsvp$asap$$scheduleFlush();\n      }\n    }\n\n    var lib$rsvp$asap$$default = lib$rsvp$asap$$asap;\n\n    var lib$rsvp$asap$$browserWindow = (typeof window !== 'undefined') ? window : undefined;\n    var lib$rsvp$asap$$browserGlobal = lib$rsvp$asap$$browserWindow || {};\n    var lib$rsvp$asap$$BrowserMutationObserver = lib$rsvp$asap$$browserGlobal.MutationObserver || lib$rsvp$asap$$browserGlobal.WebKitMutationObserver;\n    var lib$rsvp$asap$$isNode = typeof self === 'undefined' &&\n      typeof process !== 'undefined' && {}.toString.call(process) === '[object process]';\n\n    // test for web worker but not in IE10\n    var lib$rsvp$asap$$isWorker = typeof Uint8ClampedArray !== 'undefined' &&\n      typeof importScripts !== 'undefined' &&\n      typeof MessageChannel !== 'undefined';\n\n    // node\n    function lib$rsvp$asap$$useNextTick() {\n      var nextTick = process.nextTick;\n      // node version 0.10.x displays a deprecation warning when nextTick is used recursively\n      // setImmediate should be used instead instead\n      var version = process.versions.node.match(/^(?:(\\d+)\\.)?(?:(\\d+)\\.)?(\\*|\\d+)$/);\n      if (Array.isArray(version) && version[1] === '0' && version[2] === '10') {\n        nextTick = setImmediate;\n      }\n      return function() {\n        nextTick(lib$rsvp$asap$$flush);\n      };\n    }\n\n    // vertx\n    function lib$rsvp$asap$$useVertxTimer() {\n      return function() {\n        lib$rsvp$asap$$vertxNext(lib$rsvp$asap$$flush);\n      };\n    }\n\n    function lib$rsvp$asap$$useMutationObserver() {\n      var iterations = 0;\n      var observer = new lib$rsvp$asap$$BrowserMutationObserver(lib$rsvp$asap$$flush);\n      var node = document.createTextNode('');\n      observer.observe(node, { characterData: true });\n\n      return function() {\n        node.data = (iterations = ++iterations % 2);\n      };\n    }\n\n    // web worker\n    function lib$rsvp$asap$$useMessageChannel() {\n      var channel = new MessageChannel();\n      channel.port1.onmessage = lib$rsvp$asap$$flush;\n      return function () {\n        channel.port2.postMessage(0);\n      };\n    }\n\n    function lib$rsvp$asap$$useSetTimeout() {\n      return function() {\n        setTimeout(lib$rsvp$asap$$flush, 1);\n      };\n    }\n\n    var lib$rsvp$asap$$queue = new Array(1000);\n    function lib$rsvp$asap$$flush() {\n      for (var i = 0; i < lib$rsvp$asap$$len; i+=2) {\n        var callback = lib$rsvp$asap$$queue[i];\n        var arg = lib$rsvp$asap$$queue[i+1];\n\n        callback(arg);\n\n        lib$rsvp$asap$$queue[i] = undefined;\n        lib$rsvp$asap$$queue[i+1] = undefined;\n      }\n\n      lib$rsvp$asap$$len = 0;\n    }\n\n    function lib$rsvp$asap$$attemptVertex() {\n      try {\n        var r = require;\n        var vertx = r('vertx');\n        lib$rsvp$asap$$vertxNext = vertx.runOnLoop || vertx.runOnContext;\n        return lib$rsvp$asap$$useVertxTimer();\n      } catch(e) {\n        return lib$rsvp$asap$$useSetTimeout();\n      }\n    }\n\n    var lib$rsvp$asap$$scheduleFlush;\n    // Decide what async method to use to triggering processing of queued callbacks:\n    if (lib$rsvp$asap$$isNode) {\n      lib$rsvp$asap$$scheduleFlush = lib$rsvp$asap$$useNextTick();\n    } else if (lib$rsvp$asap$$BrowserMutationObserver) {\n      lib$rsvp$asap$$scheduleFlush = lib$rsvp$asap$$useMutationObserver();\n    } else if (lib$rsvp$asap$$isWorker) {\n      lib$rsvp$asap$$scheduleFlush = lib$rsvp$asap$$useMessageChannel();\n    } else if (lib$rsvp$asap$$browserWindow === undefined && typeof require === 'function') {\n      lib$rsvp$asap$$scheduleFlush = lib$rsvp$asap$$attemptVertex();\n    } else {\n      lib$rsvp$asap$$scheduleFlush = lib$rsvp$asap$$useSetTimeout();\n    }\n    function lib$rsvp$defer$$defer(label) {\n      var deferred = {};\n\n      deferred['promise'] = new lib$rsvp$promise$$default(function(resolve, reject) {\n        deferred['resolve'] = resolve;\n        deferred['reject'] = reject;\n      }, label);\n\n      return deferred;\n    }\n    var lib$rsvp$defer$$default = lib$rsvp$defer$$defer;\n    function lib$rsvp$filter$$filter(promises, filterFn, label) {\n      return lib$rsvp$promise$$default.all(promises, label).then(function(values) {\n        if (!lib$rsvp$utils$$isFunction(filterFn)) {\n          throw new TypeError(\"You must pass a function as filter's second argument.\");\n        }\n\n        var length = values.length;\n        var filtered = new Array(length);\n\n        for (var i = 0; i < length; i++) {\n          filtered[i] = filterFn(values[i]);\n        }\n\n        return lib$rsvp$promise$$default.all(filtered, label).then(function(filtered) {\n          var results = new Array(length);\n          var newLength = 0;\n\n          for (var i = 0; i < length; i++) {\n            if (filtered[i]) {\n              results[newLength] = values[i];\n              newLength++;\n            }\n          }\n\n          results.length = newLength;\n\n          return results;\n        });\n      });\n    }\n    var lib$rsvp$filter$$default = lib$rsvp$filter$$filter;\n\n    function lib$rsvp$promise$hash$$PromiseHash(Constructor, object, label) {\n      this._superConstructor(Constructor, object, true, label);\n    }\n\n    var lib$rsvp$promise$hash$$default = lib$rsvp$promise$hash$$PromiseHash;\n\n    lib$rsvp$promise$hash$$PromiseHash.prototype = lib$rsvp$utils$$o_create(lib$rsvp$enumerator$$default.prototype);\n    lib$rsvp$promise$hash$$PromiseHash.prototype._superConstructor = lib$rsvp$enumerator$$default;\n    lib$rsvp$promise$hash$$PromiseHash.prototype._init = function() {\n      this._result = {};\n    };\n\n    lib$rsvp$promise$hash$$PromiseHash.prototype._validateInput = function(input) {\n      return input && typeof input === 'object';\n    };\n\n    lib$rsvp$promise$hash$$PromiseHash.prototype._validationError = function() {\n      return new Error('Promise.hash must be called with an object');\n    };\n\n    lib$rsvp$promise$hash$$PromiseHash.prototype._enumerate = function() {\n      var enumerator = this;\n      var promise    = enumerator.promise;\n      var input      = enumerator._input;\n      var results    = [];\n\n      for (var key in input) {\n        if (promise._state === lib$rsvp$$internal$$PENDING && Object.prototype.hasOwnProperty.call(input, key)) {\n          results.push({\n            position: key,\n            entry: input[key]\n          });\n        }\n      }\n\n      var length = results.length;\n      enumerator._remaining = length;\n      var result;\n\n      for (var i = 0; promise._state === lib$rsvp$$internal$$PENDING && i < length; i++) {\n        result = results[i];\n        enumerator._eachEntry(result.entry, result.position);\n      }\n    };\n\n    function lib$rsvp$hash$settled$$HashSettled(Constructor, object, label) {\n      this._superConstructor(Constructor, object, false, label);\n    }\n\n    lib$rsvp$hash$settled$$HashSettled.prototype = lib$rsvp$utils$$o_create(lib$rsvp$promise$hash$$default.prototype);\n    lib$rsvp$hash$settled$$HashSettled.prototype._superConstructor = lib$rsvp$enumerator$$default;\n    lib$rsvp$hash$settled$$HashSettled.prototype._makeResult = lib$rsvp$enumerator$$makeSettledResult;\n\n    lib$rsvp$hash$settled$$HashSettled.prototype._validationError = function() {\n      return new Error('hashSettled must be called with an object');\n    };\n\n    function lib$rsvp$hash$settled$$hashSettled(object, label) {\n      return new lib$rsvp$hash$settled$$HashSettled(lib$rsvp$promise$$default, object, label).promise;\n    }\n    var lib$rsvp$hash$settled$$default = lib$rsvp$hash$settled$$hashSettled;\n    function lib$rsvp$hash$$hash(object, label) {\n      return new lib$rsvp$promise$hash$$default(lib$rsvp$promise$$default, object, label).promise;\n    }\n    var lib$rsvp$hash$$default = lib$rsvp$hash$$hash;\n    function lib$rsvp$map$$map(promises, mapFn, label) {\n      return lib$rsvp$promise$$default.all(promises, label).then(function(values) {\n        if (!lib$rsvp$utils$$isFunction(mapFn)) {\n          throw new TypeError(\"You must pass a function as map's second argument.\");\n        }\n\n        var length = values.length;\n        var results = new Array(length);\n\n        for (var i = 0; i < length; i++) {\n          results[i] = mapFn(values[i]);\n        }\n\n        return lib$rsvp$promise$$default.all(results, label);\n      });\n    }\n    var lib$rsvp$map$$default = lib$rsvp$map$$map;\n\n    function lib$rsvp$node$$Result() {\n      this.value = undefined;\n    }\n\n    var lib$rsvp$node$$ERROR = new lib$rsvp$node$$Result();\n    var lib$rsvp$node$$GET_THEN_ERROR = new lib$rsvp$node$$Result();\n\n    function lib$rsvp$node$$getThen(obj) {\n      try {\n       return obj.then;\n      } catch(error) {\n        lib$rsvp$node$$ERROR.value= error;\n        return lib$rsvp$node$$ERROR;\n      }\n    }\n\n\n    function lib$rsvp$node$$tryApply(f, s, a) {\n      try {\n        f.apply(s, a);\n      } catch(error) {\n        lib$rsvp$node$$ERROR.value = error;\n        return lib$rsvp$node$$ERROR;\n      }\n    }\n\n    function lib$rsvp$node$$makeObject(_, argumentNames) {\n      var obj = {};\n      var name;\n      var i;\n      var length = _.length;\n      var args = new Array(length);\n\n      for (var x = 0; x < length; x++) {\n        args[x] = _[x];\n      }\n\n      for (i = 0; i < argumentNames.length; i++) {\n        name = argumentNames[i];\n        obj[name] = args[i + 1];\n      }\n\n      return obj;\n    }\n\n    function lib$rsvp$node$$arrayResult(_) {\n      var length = _.length;\n      var args = new Array(length - 1);\n\n      for (var i = 1; i < length; i++) {\n        args[i - 1] = _[i];\n      }\n\n      return args;\n    }\n\n    function lib$rsvp$node$$wrapThenable(then, promise) {\n      return {\n        then: function(onFulFillment, onRejection) {\n          return then.call(promise, onFulFillment, onRejection);\n        }\n      };\n    }\n\n    function lib$rsvp$node$$denodeify(nodeFunc, options) {\n      var fn = function() {\n        var self = this;\n        var l = arguments.length;\n        var args = new Array(l + 1);\n        var arg;\n        var promiseInput = false;\n\n        for (var i = 0; i < l; ++i) {\n          arg = arguments[i];\n\n          if (!promiseInput) {\n            // TODO: clean this up\n            promiseInput = lib$rsvp$node$$needsPromiseInput(arg);\n            if (promiseInput === lib$rsvp$node$$GET_THEN_ERROR) {\n              var p = new lib$rsvp$promise$$default(lib$rsvp$$internal$$noop);\n              lib$rsvp$$internal$$reject(p, lib$rsvp$node$$GET_THEN_ERROR.value);\n              return p;\n            } else if (promiseInput && promiseInput !== true) {\n              arg = lib$rsvp$node$$wrapThenable(promiseInput, arg);\n            }\n          }\n          args[i] = arg;\n        }\n\n        var promise = new lib$rsvp$promise$$default(lib$rsvp$$internal$$noop);\n\n        args[l] = function(err, val) {\n          if (err)\n            lib$rsvp$$internal$$reject(promise, err);\n          else if (options === undefined)\n            lib$rsvp$$internal$$resolve(promise, val);\n          else if (options === true)\n            lib$rsvp$$internal$$resolve(promise, lib$rsvp$node$$arrayResult(arguments));\n          else if (lib$rsvp$utils$$isArray(options))\n            lib$rsvp$$internal$$resolve(promise, lib$rsvp$node$$makeObject(arguments, options));\n          else\n            lib$rsvp$$internal$$resolve(promise, val);\n        };\n\n        if (promiseInput) {\n          return lib$rsvp$node$$handlePromiseInput(promise, args, nodeFunc, self);\n        } else {\n          return lib$rsvp$node$$handleValueInput(promise, args, nodeFunc, self);\n        }\n      };\n\n      fn.__proto__ = nodeFunc;\n\n      return fn;\n    }\n\n    var lib$rsvp$node$$default = lib$rsvp$node$$denodeify;\n\n    function lib$rsvp$node$$handleValueInput(promise, args, nodeFunc, self) {\n      var result = lib$rsvp$node$$tryApply(nodeFunc, self, args);\n      if (result === lib$rsvp$node$$ERROR) {\n        lib$rsvp$$internal$$reject(promise, result.value);\n      }\n      return promise;\n    }\n\n    function lib$rsvp$node$$handlePromiseInput(promise, args, nodeFunc, self){\n      return lib$rsvp$promise$$default.all(args).then(function(args){\n        var result = lib$rsvp$node$$tryApply(nodeFunc, self, args);\n        if (result === lib$rsvp$node$$ERROR) {\n          lib$rsvp$$internal$$reject(promise, result.value);\n        }\n        return promise;\n      });\n    }\n\n    function lib$rsvp$node$$needsPromiseInput(arg) {\n      if (arg && typeof arg === 'object') {\n        if (arg.constructor === lib$rsvp$promise$$default) {\n          return true;\n        } else {\n          return lib$rsvp$node$$getThen(arg);\n        }\n      } else {\n        return false;\n      }\n    }\n    var lib$rsvp$platform$$platform;\n\n    /* global self */\n    if (typeof self === 'object') {\n      lib$rsvp$platform$$platform = self;\n\n    /* global global */\n    } else if (typeof global === 'object') {\n      lib$rsvp$platform$$platform = global;\n    } else {\n      throw new Error('no global: `self` or `global` found');\n    }\n\n    var lib$rsvp$platform$$default = lib$rsvp$platform$$platform;\n    function lib$rsvp$race$$race(array, label) {\n      return lib$rsvp$promise$$default.race(array, label);\n    }\n    var lib$rsvp$race$$default = lib$rsvp$race$$race;\n    function lib$rsvp$reject$$reject(reason, label) {\n      return lib$rsvp$promise$$default.reject(reason, label);\n    }\n    var lib$rsvp$reject$$default = lib$rsvp$reject$$reject;\n    function lib$rsvp$resolve$$resolve(value, label) {\n      return lib$rsvp$promise$$default.resolve(value, label);\n    }\n    var lib$rsvp$resolve$$default = lib$rsvp$resolve$$resolve;\n    function lib$rsvp$rethrow$$rethrow(reason) {\n      setTimeout(function() {\n        throw reason;\n      });\n      throw reason;\n    }\n    var lib$rsvp$rethrow$$default = lib$rsvp$rethrow$$rethrow;\n\n    // defaults\n    lib$rsvp$config$$config.async = lib$rsvp$asap$$default;\n    lib$rsvp$config$$config.after = function(cb) {\n      setTimeout(cb, 0);\n    };\n    var lib$rsvp$$cast = lib$rsvp$resolve$$default;\n    function lib$rsvp$$async(callback, arg) {\n      lib$rsvp$config$$config.async(callback, arg);\n    }\n\n    function lib$rsvp$$on() {\n      lib$rsvp$config$$config['on'].apply(lib$rsvp$config$$config, arguments);\n    }\n\n    function lib$rsvp$$off() {\n      lib$rsvp$config$$config['off'].apply(lib$rsvp$config$$config, arguments);\n    }\n\n    // Set up instrumentation through `window.__PROMISE_INTRUMENTATION__`\n    if (typeof window !== 'undefined' && typeof window['__PROMISE_INSTRUMENTATION__'] === 'object') {\n      var lib$rsvp$$callbacks = window['__PROMISE_INSTRUMENTATION__'];\n      lib$rsvp$config$$configure('instrument', true);\n      for (var lib$rsvp$$eventName in lib$rsvp$$callbacks) {\n        if (lib$rsvp$$callbacks.hasOwnProperty(lib$rsvp$$eventName)) {\n          lib$rsvp$$on(lib$rsvp$$eventName, lib$rsvp$$callbacks[lib$rsvp$$eventName]);\n        }\n      }\n    }\n\n    var lib$rsvp$umd$$RSVP = {\n      'race': lib$rsvp$race$$default,\n      'Promise': lib$rsvp$promise$$default,\n      'allSettled': lib$rsvp$all$settled$$default,\n      'hash': lib$rsvp$hash$$default,\n      'hashSettled': lib$rsvp$hash$settled$$default,\n      'denodeify': lib$rsvp$node$$default,\n      'on': lib$rsvp$$on,\n      'off': lib$rsvp$$off,\n      'map': lib$rsvp$map$$default,\n      'filter': lib$rsvp$filter$$default,\n      'resolve': lib$rsvp$resolve$$default,\n      'reject': lib$rsvp$reject$$default,\n      'all': lib$rsvp$all$$default,\n      'rethrow': lib$rsvp$rethrow$$default,\n      'defer': lib$rsvp$defer$$default,\n      'EventTarget': lib$rsvp$events$$default,\n      'configure': lib$rsvp$config$$configure,\n      'async': lib$rsvp$$async\n    };\n\n    /* global define:true module:true window: true */\n    if (typeof define === 'function' && define['amd']) {\n      define(function() { return lib$rsvp$umd$$RSVP; });\n    } else if (typeof module !== 'undefined' && module['exports']) {\n      module['exports'] = lib$rsvp$umd$$RSVP;\n    } else if (typeof lib$rsvp$platform$$default !== 'undefined') {\n      lib$rsvp$platform$$default['RSVP'] = lib$rsvp$umd$$RSVP;\n    }\n}).call(this);\n\n","/*!\n * URI.js - Mutating URLs\n *\n * Version: 1.17.0\n *\n * Author: Rodney Rehm\n * Web: http://medialize.github.io/URI.js/\n *\n * Licensed under\n *   MIT License http://www.opensource.org/licenses/mit-license\n *   GPL v3 http://opensource.org/licenses/GPL-3.0\n *\n */\n(function (root, factory) {\n  'use strict';\n  // https://github.com/umdjs/umd/blob/master/returnExports.js\n  if (typeof exports === 'object') {\n    // Node\n    module.exports = factory(require('./punycode'), require('./IPv6'), require('./SecondLevelDomains'));\n  } else if (typeof define === 'function' && define.amd) {\n    // AMD. Register as an anonymous module.\n    define(['./punycode', './IPv6', './SecondLevelDomains'], factory);\n  } else {\n    // Browser globals (root is window)\n    root.URI = factory(root.punycode, root.IPv6, root.SecondLevelDomains, root);\n  }\n}(this, function (punycode, IPv6, SLD, root) {\n  'use strict';\n  /*global location, escape, unescape */\n  // FIXME: v2.0.0 renamce non-camelCase properties to uppercase\n  /*jshint camelcase: false */\n\n  // save current URI variable, if any\n  var _URI = root && root.URI;\n\n  function URI(url, base) {\n    var _urlSupplied = arguments.length >= 1;\n    var _baseSupplied = arguments.length >= 2;\n\n    // Allow instantiation without the 'new' keyword\n    if (!(this instanceof URI)) {\n      if (_urlSupplied) {\n        if (_baseSupplied) {\n          return new URI(url, base);\n        }\n\n        return new URI(url);\n      }\n\n      return new URI();\n    }\n\n    if (url === undefined) {\n      if (_urlSupplied) {\n        throw new TypeError('undefined is not a valid argument for URI');\n      }\n\n      if (typeof location !== 'undefined') {\n        url = location.href + '';\n      } else {\n        url = '';\n      }\n    }\n\n    this.href(url);\n\n    // resolve to base according to http://dvcs.w3.org/hg/url/raw-file/tip/Overview.html#constructor\n    if (base !== undefined) {\n      return this.absoluteTo(base);\n    }\n\n    return this;\n  }\n\n  URI.version = '1.17.0';\n\n  var p = URI.prototype;\n  var hasOwn = Object.prototype.hasOwnProperty;\n\n  function escapeRegEx(string) {\n    // https://github.com/medialize/URI.js/commit/85ac21783c11f8ccab06106dba9735a31a86924d#commitcomment-821963\n    return string.replace(/([.*+?^=!:${}()|[\\]\\/\\\\])/g, '\\\\$1');\n  }\n\n  function getType(value) {\n    // IE8 doesn't return [Object Undefined] but [Object Object] for undefined value\n    if (value === undefined) {\n      return 'Undefined';\n    }\n\n    return String(Object.prototype.toString.call(value)).slice(8, -1);\n  }\n\n  function isArray(obj) {\n    return getType(obj) === 'Array';\n  }\n\n  function filterArrayValues(data, value) {\n    var lookup = {};\n    var i, length;\n\n    if (getType(value) === 'RegExp') {\n      lookup = null;\n    } else if (isArray(value)) {\n      for (i = 0, length = value.length; i < length; i++) {\n        lookup[value[i]] = true;\n      }\n    } else {\n      lookup[value] = true;\n    }\n\n    for (i = 0, length = data.length; i < length; i++) {\n      /*jshint laxbreak: true */\n      var _match = lookup && lookup[data[i]] !== undefined\n        || !lookup && value.test(data[i]);\n      /*jshint laxbreak: false */\n      if (_match) {\n        data.splice(i, 1);\n        length--;\n        i--;\n      }\n    }\n\n    return data;\n  }\n\n  function arrayContains(list, value) {\n    var i, length;\n\n    // value may be string, number, array, regexp\n    if (isArray(value)) {\n      // Note: this can be optimized to O(n) (instead of current O(m * n))\n      for (i = 0, length = value.length; i < length; i++) {\n        if (!arrayContains(list, value[i])) {\n          return false;\n        }\n      }\n\n      return true;\n    }\n\n    var _type = getType(value);\n    for (i = 0, length = list.length; i < length; i++) {\n      if (_type === 'RegExp') {\n        if (typeof list[i] === 'string' && list[i].match(value)) {\n          return true;\n        }\n      } else if (list[i] === value) {\n        return true;\n      }\n    }\n\n    return false;\n  }\n\n  function arraysEqual(one, two) {\n    if (!isArray(one) || !isArray(two)) {\n      return false;\n    }\n\n    // arrays can't be equal if they have different amount of content\n    if (one.length !== two.length) {\n      return false;\n    }\n\n    one.sort();\n    two.sort();\n\n    for (var i = 0, l = one.length; i < l; i++) {\n      if (one[i] !== two[i]) {\n        return false;\n      }\n    }\n\n    return true;\n  }\n\n  function trimSlashes(text) {\n    var trim_expression = /^\\/+|\\/+$/g;\n    return text.replace(trim_expression, '');\n  }\n\n  URI._parts = function() {\n    return {\n      protocol: null,\n      username: null,\n      password: null,\n      hostname: null,\n      urn: null,\n      port: null,\n      path: null,\n      query: null,\n      fragment: null,\n      // state\n      duplicateQueryParameters: URI.duplicateQueryParameters,\n      escapeQuerySpace: URI.escapeQuerySpace\n    };\n  };\n  // state: allow duplicate query parameters (a=1&a=1)\n  URI.duplicateQueryParameters = false;\n  // state: replaces + with %20 (space in query strings)\n  URI.escapeQuerySpace = true;\n  // static properties\n  URI.protocol_expression = /^[a-z][a-z0-9.+-]*$/i;\n  URI.idn_expression = /[^a-z0-9\\.-]/i;\n  URI.punycode_expression = /(xn--)/i;\n  // well, 333.444.555.666 matches, but it sure ain't no IPv4 - do we care?\n  URI.ip4_expression = /^\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}$/;\n  // credits to Rich Brown\n  // source: http://forums.intermapper.com/viewtopic.php?p=1096#1096\n  // specification: http://www.ietf.org/rfc/rfc4291.txt\n  URI.ip6_expression = /^\\s*((([0-9A-Fa-f]{1,4}:){7}([0-9A-Fa-f]{1,4}|:))|(([0-9A-Fa-f]{1,4}:){6}(:[0-9A-Fa-f]{1,4}|((25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)(\\.(25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){5}(((:[0-9A-Fa-f]{1,4}){1,2})|:((25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)(\\.(25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){4}(((:[0-9A-Fa-f]{1,4}){1,3})|((:[0-9A-Fa-f]{1,4})?:((25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)(\\.(25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){3}(((:[0-9A-Fa-f]{1,4}){1,4})|((:[0-9A-Fa-f]{1,4}){0,2}:((25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)(\\.(25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){2}(((:[0-9A-Fa-f]{1,4}){1,5})|((:[0-9A-Fa-f]{1,4}){0,3}:((25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)(\\.(25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){1}(((:[0-9A-Fa-f]{1,4}){1,6})|((:[0-9A-Fa-f]{1,4}){0,4}:((25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)(\\.(25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)){3}))|:))|(:(((:[0-9A-Fa-f]{1,4}){1,7})|((:[0-9A-Fa-f]{1,4}){0,5}:((25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)(\\.(25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)){3}))|:)))(%.+)?\\s*$/;\n  // expression used is \"gruber revised\" (@gruber v2) determined to be the\n  // best solution in a regex-golf we did a couple of ages ago at\n  // * http://mathiasbynens.be/demo/url-regex\n  // * http://rodneyrehm.de/t/url-regex.html\n  URI.find_uri_expression = /\\b((?:[a-z][\\w-]+:(?:\\/{1,3}|[a-z0-9%])|www\\d{0,3}[.]|[a-z0-9.\\-]+[.][a-z]{2,4}\\/)(?:[^\\s()<>]+|\\(([^\\s()<>]+|(\\([^\\s()<>]+\\)))*\\))+(?:\\(([^\\s()<>]+|(\\([^\\s()<>]+\\)))*\\)|[^\\s`!()\\[\\]{};:'\".,<>?«»“”‘’]))/ig;\n  URI.findUri = {\n    // valid \"scheme://\" or \"www.\"\n    start: /\\b(?:([a-z][a-z0-9.+-]*:\\/\\/)|www\\.)/gi,\n    // everything up to the next whitespace\n    end: /[\\s\\r\\n]|$/,\n    // trim trailing punctuation captured by end RegExp\n    trim: /[`!()\\[\\]{};:'\".,<>?«»“”„‘’]+$/\n  };\n  // http://www.iana.org/assignments/uri-schemes.html\n  // http://en.wikipedia.org/wiki/List_of_TCP_and_UDP_port_numbers#Well-known_ports\n  URI.defaultPorts = {\n    http: '80',\n    https: '443',\n    ftp: '21',\n    gopher: '70',\n    ws: '80',\n    wss: '443'\n  };\n  // allowed hostname characters according to RFC 3986\n  // ALPHA DIGIT \"-\" \".\" \"_\" \"~\" \"!\" \"$\" \"&\" \"'\" \"(\" \")\" \"*\" \"+\" \",\" \";\" \"=\" %encoded\n  // I've never seen a (non-IDN) hostname other than: ALPHA DIGIT . -\n  URI.invalid_hostname_characters = /[^a-zA-Z0-9\\.-]/;\n  // map DOM Elements to their URI attribute\n  URI.domAttributes = {\n    'a': 'href',\n    'blockquote': 'cite',\n    'link': 'href',\n    'base': 'href',\n    'script': 'src',\n    'form': 'action',\n    'img': 'src',\n    'area': 'href',\n    'iframe': 'src',\n    'embed': 'src',\n    'source': 'src',\n    'track': 'src',\n    'input': 'src', // but only if type=\"image\"\n    'audio': 'src',\n    'video': 'src'\n  };\n  URI.getDomAttribute = function(node) {\n    if (!node || !node.nodeName) {\n      return undefined;\n    }\n\n    var nodeName = node.nodeName.toLowerCase();\n    // <input> should only expose src for type=\"image\"\n    if (nodeName === 'input' && node.type !== 'image') {\n      return undefined;\n    }\n\n    return URI.domAttributes[nodeName];\n  };\n\n  function escapeForDumbFirefox36(value) {\n    // https://github.com/medialize/URI.js/issues/91\n    return escape(value);\n  }\n\n  // encoding / decoding according to RFC3986\n  function strictEncodeURIComponent(string) {\n    // see https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Objects/encodeURIComponent\n    return encodeURIComponent(string)\n      .replace(/[!'()*]/g, escapeForDumbFirefox36)\n      .replace(/\\*/g, '%2A');\n  }\n  URI.encode = strictEncodeURIComponent;\n  URI.decode = decodeURIComponent;\n  URI.iso8859 = function() {\n    URI.encode = escape;\n    URI.decode = unescape;\n  };\n  URI.unicode = function() {\n    URI.encode = strictEncodeURIComponent;\n    URI.decode = decodeURIComponent;\n  };\n  URI.characters = {\n    pathname: {\n      encode: {\n        // RFC3986 2.1: For consistency, URI producers and normalizers should\n        // use uppercase hexadecimal digits for all percent-encodings.\n        expression: /%(24|26|2B|2C|3B|3D|3A|40)/ig,\n        map: {\n          // -._~!'()*\n          '%24': '$',\n          '%26': '&',\n          '%2B': '+',\n          '%2C': ',',\n          '%3B': ';',\n          '%3D': '=',\n          '%3A': ':',\n          '%40': '@'\n        }\n      },\n      decode: {\n        expression: /[\\/\\?#]/g,\n        map: {\n          '/': '%2F',\n          '?': '%3F',\n          '#': '%23'\n        }\n      }\n    },\n    reserved: {\n      encode: {\n        // RFC3986 2.1: For consistency, URI producers and normalizers should\n        // use uppercase hexadecimal digits for all percent-encodings.\n        expression: /%(21|23|24|26|27|28|29|2A|2B|2C|2F|3A|3B|3D|3F|40|5B|5D)/ig,\n        map: {\n          // gen-delims\n          '%3A': ':',\n          '%2F': '/',\n          '%3F': '?',\n          '%23': '#',\n          '%5B': '[',\n          '%5D': ']',\n          '%40': '@',\n          // sub-delims\n          '%21': '!',\n          '%24': '$',\n          '%26': '&',\n          '%27': '\\'',\n          '%28': '(',\n          '%29': ')',\n          '%2A': '*',\n          '%2B': '+',\n          '%2C': ',',\n          '%3B': ';',\n          '%3D': '='\n        }\n      }\n    },\n    urnpath: {\n      // The characters under `encode` are the characters called out by RFC 2141 as being acceptable\n      // for usage in a URN. RFC2141 also calls out \"-\", \".\", and \"_\" as acceptable characters, but\n      // these aren't encoded by encodeURIComponent, so we don't have to call them out here. Also\n      // note that the colon character is not featured in the encoding map; this is because URI.js\n      // gives the colons in URNs semantic meaning as the delimiters of path segements, and so it\n      // should not appear unencoded in a segment itself.\n      // See also the note above about RFC3986 and capitalalized hex digits.\n      encode: {\n        expression: /%(21|24|27|28|29|2A|2B|2C|3B|3D|40)/ig,\n        map: {\n          '%21': '!',\n          '%24': '$',\n          '%27': '\\'',\n          '%28': '(',\n          '%29': ')',\n          '%2A': '*',\n          '%2B': '+',\n          '%2C': ',',\n          '%3B': ';',\n          '%3D': '=',\n          '%40': '@'\n        }\n      },\n      // These characters are the characters called out by RFC2141 as \"reserved\" characters that\n      // should never appear in a URN, plus the colon character (see note above).\n      decode: {\n        expression: /[\\/\\?#:]/g,\n        map: {\n          '/': '%2F',\n          '?': '%3F',\n          '#': '%23',\n          ':': '%3A'\n        }\n      }\n    }\n  };\n  URI.encodeQuery = function(string, escapeQuerySpace) {\n    var escaped = URI.encode(string + '');\n    if (escapeQuerySpace === undefined) {\n      escapeQuerySpace = URI.escapeQuerySpace;\n    }\n\n    return escapeQuerySpace ? escaped.replace(/%20/g, '+') : escaped;\n  };\n  URI.decodeQuery = function(string, escapeQuerySpace) {\n    string += '';\n    if (escapeQuerySpace === undefined) {\n      escapeQuerySpace = URI.escapeQuerySpace;\n    }\n\n    try {\n      return URI.decode(escapeQuerySpace ? string.replace(/\\+/g, '%20') : string);\n    } catch(e) {\n      // we're not going to mess with weird encodings,\n      // give up and return the undecoded original string\n      // see https://github.com/medialize/URI.js/issues/87\n      // see https://github.com/medialize/URI.js/issues/92\n      return string;\n    }\n  };\n  // generate encode/decode path functions\n  var _parts = {'encode':'encode', 'decode':'decode'};\n  var _part;\n  var generateAccessor = function(_group, _part) {\n    return function(string) {\n      try {\n        return URI[_part](string + '').replace(URI.characters[_group][_part].expression, function(c) {\n          return URI.characters[_group][_part].map[c];\n        });\n      } catch (e) {\n        // we're not going to mess with weird encodings,\n        // give up and return the undecoded original string\n        // see https://github.com/medialize/URI.js/issues/87\n        // see https://github.com/medialize/URI.js/issues/92\n        return string;\n      }\n    };\n  };\n\n  for (_part in _parts) {\n    URI[_part + 'PathSegment'] = generateAccessor('pathname', _parts[_part]);\n    URI[_part + 'UrnPathSegment'] = generateAccessor('urnpath', _parts[_part]);\n  }\n\n  var generateSegmentedPathFunction = function(_sep, _codingFuncName, _innerCodingFuncName) {\n    return function(string) {\n      // Why pass in names of functions, rather than the function objects themselves? The\n      // definitions of some functions (but in particular, URI.decode) will occasionally change due\n      // to URI.js having ISO8859 and Unicode modes. Passing in the name and getting it will ensure\n      // that the functions we use here are \"fresh\".\n      var actualCodingFunc;\n      if (!_innerCodingFuncName) {\n        actualCodingFunc = URI[_codingFuncName];\n      } else {\n        actualCodingFunc = function(string) {\n          return URI[_codingFuncName](URI[_innerCodingFuncName](string));\n        };\n      }\n\n      var segments = (string + '').split(_sep);\n\n      for (var i = 0, length = segments.length; i < length; i++) {\n        segments[i] = actualCodingFunc(segments[i]);\n      }\n\n      return segments.join(_sep);\n    };\n  };\n\n  // This takes place outside the above loop because we don't want, e.g., encodeUrnPath functions.\n  URI.decodePath = generateSegmentedPathFunction('/', 'decodePathSegment');\n  URI.decodeUrnPath = generateSegmentedPathFunction(':', 'decodeUrnPathSegment');\n  URI.recodePath = generateSegmentedPathFunction('/', 'encodePathSegment', 'decode');\n  URI.recodeUrnPath = generateSegmentedPathFunction(':', 'encodeUrnPathSegment', 'decode');\n\n  URI.encodeReserved = generateAccessor('reserved', 'encode');\n\n  URI.parse = function(string, parts) {\n    var pos;\n    if (!parts) {\n      parts = {};\n    }\n    // [protocol\"://\"[username[\":\"password]\"@\"]hostname[\":\"port]\"/\"?][path][\"?\"querystring][\"#\"fragment]\n\n    // extract fragment\n    pos = string.indexOf('#');\n    if (pos > -1) {\n      // escaping?\n      parts.fragment = string.substring(pos + 1) || null;\n      string = string.substring(0, pos);\n    }\n\n    // extract query\n    pos = string.indexOf('?');\n    if (pos > -1) {\n      // escaping?\n      parts.query = string.substring(pos + 1) || null;\n      string = string.substring(0, pos);\n    }\n\n    // extract protocol\n    if (string.substring(0, 2) === '//') {\n      // relative-scheme\n      parts.protocol = null;\n      string = string.substring(2);\n      // extract \"user:pass@host:port\"\n      string = URI.parseAuthority(string, parts);\n    } else {\n      pos = string.indexOf(':');\n      if (pos > -1) {\n        parts.protocol = string.substring(0, pos) || null;\n        if (parts.protocol && !parts.protocol.match(URI.protocol_expression)) {\n          // : may be within the path\n          parts.protocol = undefined;\n        } else if (string.substring(pos + 1, pos + 3) === '//') {\n          string = string.substring(pos + 3);\n\n          // extract \"user:pass@host:port\"\n          string = URI.parseAuthority(string, parts);\n        } else {\n          string = string.substring(pos + 1);\n          parts.urn = true;\n        }\n      }\n    }\n\n    // what's left must be the path\n    parts.path = string;\n\n    // and we're done\n    return parts;\n  };\n  URI.parseHost = function(string, parts) {\n    // Copy chrome, IE, opera backslash-handling behavior.\n    // Back slashes before the query string get converted to forward slashes\n    // See: https://github.com/joyent/node/blob/386fd24f49b0e9d1a8a076592a404168faeecc34/lib/url.js#L115-L124\n    // See: https://code.google.com/p/chromium/issues/detail?id=25916\n    // https://github.com/medialize/URI.js/pull/233\n    string = string.replace(/\\\\/g, '/');\n\n    // extract host:port\n    var pos = string.indexOf('/');\n    var bracketPos;\n    var t;\n\n    if (pos === -1) {\n      pos = string.length;\n    }\n\n    if (string.charAt(0) === '[') {\n      // IPv6 host - http://tools.ietf.org/html/draft-ietf-6man-text-addr-representation-04#section-6\n      // I claim most client software breaks on IPv6 anyways. To simplify things, URI only accepts\n      // IPv6+port in the format [2001:db8::1]:80 (for the time being)\n      bracketPos = string.indexOf(']');\n      parts.hostname = string.substring(1, bracketPos) || null;\n      parts.port = string.substring(bracketPos + 2, pos) || null;\n      if (parts.port === '/') {\n        parts.port = null;\n      }\n    } else {\n      var firstColon = string.indexOf(':');\n      var firstSlash = string.indexOf('/');\n      var nextColon = string.indexOf(':', firstColon + 1);\n      if (nextColon !== -1 && (firstSlash === -1 || nextColon < firstSlash)) {\n        // IPv6 host contains multiple colons - but no port\n        // this notation is actually not allowed by RFC 3986, but we're a liberal parser\n        parts.hostname = string.substring(0, pos) || null;\n        parts.port = null;\n      } else {\n        t = string.substring(0, pos).split(':');\n        parts.hostname = t[0] || null;\n        parts.port = t[1] || null;\n      }\n    }\n\n    if (parts.hostname && string.substring(pos).charAt(0) !== '/') {\n      pos++;\n      string = '/' + string;\n    }\n\n    return string.substring(pos) || '/';\n  };\n  URI.parseAuthority = function(string, parts) {\n    string = URI.parseUserinfo(string, parts);\n    return URI.parseHost(string, parts);\n  };\n  URI.parseUserinfo = function(string, parts) {\n    // extract username:password\n    var firstSlash = string.indexOf('/');\n    var pos = string.lastIndexOf('@', firstSlash > -1 ? firstSlash : string.length - 1);\n    var t;\n\n    // authority@ must come before /path\n    if (pos > -1 && (firstSlash === -1 || pos < firstSlash)) {\n      t = string.substring(0, pos).split(':');\n      parts.username = t[0] ? URI.decode(t[0]) : null;\n      t.shift();\n      parts.password = t[0] ? URI.decode(t.join(':')) : null;\n      string = string.substring(pos + 1);\n    } else {\n      parts.username = null;\n      parts.password = null;\n    }\n\n    return string;\n  };\n  URI.parseQuery = function(string, escapeQuerySpace) {\n    if (!string) {\n      return {};\n    }\n\n    // throw out the funky business - \"?\"[name\"=\"value\"&\"]+\n    string = string.replace(/&+/g, '&').replace(/^\\?*&*|&+$/g, '');\n\n    if (!string) {\n      return {};\n    }\n\n    var items = {};\n    var splits = string.split('&');\n    var length = splits.length;\n    var v, name, value;\n\n    for (var i = 0; i < length; i++) {\n      v = splits[i].split('=');\n      name = URI.decodeQuery(v.shift(), escapeQuerySpace);\n      // no \"=\" is null according to http://dvcs.w3.org/hg/url/raw-file/tip/Overview.html#collect-url-parameters\n      value = v.length ? URI.decodeQuery(v.join('='), escapeQuerySpace) : null;\n\n      if (hasOwn.call(items, name)) {\n        if (typeof items[name] === 'string' || items[name] === null) {\n          items[name] = [items[name]];\n        }\n\n        items[name].push(value);\n      } else {\n        items[name] = value;\n      }\n    }\n\n    return items;\n  };\n\n  URI.build = function(parts) {\n    var t = '';\n\n    if (parts.protocol) {\n      t += parts.protocol + ':';\n    }\n\n    if (!parts.urn && (t || parts.hostname)) {\n      t += '//';\n    }\n\n    t += (URI.buildAuthority(parts) || '');\n\n    if (typeof parts.path === 'string') {\n      if (parts.path.charAt(0) !== '/' && typeof parts.hostname === 'string') {\n        t += '/';\n      }\n\n      t += parts.path;\n    }\n\n    if (typeof parts.query === 'string' && parts.query) {\n      t += '?' + parts.query;\n    }\n\n    if (typeof parts.fragment === 'string' && parts.fragment) {\n      t += '#' + parts.fragment;\n    }\n    return t;\n  };\n  URI.buildHost = function(parts) {\n    var t = '';\n\n    if (!parts.hostname) {\n      return '';\n    } else if (URI.ip6_expression.test(parts.hostname)) {\n      t += '[' + parts.hostname + ']';\n    } else {\n      t += parts.hostname;\n    }\n\n    if (parts.port) {\n      t += ':' + parts.port;\n    }\n\n    return t;\n  };\n  URI.buildAuthority = function(parts) {\n    return URI.buildUserinfo(parts) + URI.buildHost(parts);\n  };\n  URI.buildUserinfo = function(parts) {\n    var t = '';\n\n    if (parts.username) {\n      t += URI.encode(parts.username);\n\n      if (parts.password) {\n        t += ':' + URI.encode(parts.password);\n      }\n\n      t += '@';\n    }\n\n    return t;\n  };\n  URI.buildQuery = function(data, duplicateQueryParameters, escapeQuerySpace) {\n    // according to http://tools.ietf.org/html/rfc3986 or http://labs.apache.org/webarch/uri/rfc/rfc3986.html\n    // being »-._~!$&'()*+,;=:@/?« %HEX and alnum are allowed\n    // the RFC explicitly states ?/foo being a valid use case, no mention of parameter syntax!\n    // URI.js treats the query string as being application/x-www-form-urlencoded\n    // see http://www.w3.org/TR/REC-html40/interact/forms.html#form-content-type\n\n    var t = '';\n    var unique, key, i, length;\n    for (key in data) {\n      if (hasOwn.call(data, key) && key) {\n        if (isArray(data[key])) {\n          unique = {};\n          for (i = 0, length = data[key].length; i < length; i++) {\n            if (data[key][i] !== undefined && unique[data[key][i] + ''] === undefined) {\n              t += '&' + URI.buildQueryParameter(key, data[key][i], escapeQuerySpace);\n              if (duplicateQueryParameters !== true) {\n                unique[data[key][i] + ''] = true;\n              }\n            }\n          }\n        } else if (data[key] !== undefined) {\n          t += '&' + URI.buildQueryParameter(key, data[key], escapeQuerySpace);\n        }\n      }\n    }\n\n    return t.substring(1);\n  };\n  URI.buildQueryParameter = function(name, value, escapeQuerySpace) {\n    // http://www.w3.org/TR/REC-html40/interact/forms.html#form-content-type -- application/x-www-form-urlencoded\n    // don't append \"=\" for null values, according to http://dvcs.w3.org/hg/url/raw-file/tip/Overview.html#url-parameter-serialization\n    return URI.encodeQuery(name, escapeQuerySpace) + (value !== null ? '=' + URI.encodeQuery(value, escapeQuerySpace) : '');\n  };\n\n  URI.addQuery = function(data, name, value) {\n    if (typeof name === 'object') {\n      for (var key in name) {\n        if (hasOwn.call(name, key)) {\n          URI.addQuery(data, key, name[key]);\n        }\n      }\n    } else if (typeof name === 'string') {\n      if (data[name] === undefined) {\n        data[name] = value;\n        return;\n      } else if (typeof data[name] === 'string') {\n        data[name] = [data[name]];\n      }\n\n      if (!isArray(value)) {\n        value = [value];\n      }\n\n      data[name] = (data[name] || []).concat(value);\n    } else {\n      throw new TypeError('URI.addQuery() accepts an object, string as the name parameter');\n    }\n  };\n  URI.removeQuery = function(data, name, value) {\n    var i, length, key;\n\n    if (isArray(name)) {\n      for (i = 0, length = name.length; i < length; i++) {\n        data[name[i]] = undefined;\n      }\n    } else if (getType(name) === 'RegExp') {\n      for (key in data) {\n        if (name.test(key)) {\n          data[key] = undefined;\n        }\n      }\n    } else if (typeof name === 'object') {\n      for (key in name) {\n        if (hasOwn.call(name, key)) {\n          URI.removeQuery(data, key, name[key]);\n        }\n      }\n    } else if (typeof name === 'string') {\n      if (value !== undefined) {\n        if (getType(value) === 'RegExp') {\n          if (!isArray(data[name]) && value.test(data[name])) {\n            data[name] = undefined;\n          } else {\n            data[name] = filterArrayValues(data[name], value);\n          }\n        } else if (data[name] === String(value) && (!isArray(value) || value.length === 1)) {\n          data[name] = undefined;\n        } else if (isArray(data[name])) {\n          data[name] = filterArrayValues(data[name], value);\n        }\n      } else {\n        data[name] = undefined;\n      }\n    } else {\n      throw new TypeError('URI.removeQuery() accepts an object, string, RegExp as the first parameter');\n    }\n  };\n  URI.hasQuery = function(data, name, value, withinArray) {\n    if (typeof name === 'object') {\n      for (var key in name) {\n        if (hasOwn.call(name, key)) {\n          if (!URI.hasQuery(data, key, name[key])) {\n            return false;\n          }\n        }\n      }\n\n      return true;\n    } else if (typeof name !== 'string') {\n      throw new TypeError('URI.hasQuery() accepts an object, string as the name parameter');\n    }\n\n    switch (getType(value)) {\n      case 'Undefined':\n        // true if exists (but may be empty)\n        return name in data; // data[name] !== undefined;\n\n      case 'Boolean':\n        // true if exists and non-empty\n        var _booly = Boolean(isArray(data[name]) ? data[name].length : data[name]);\n        return value === _booly;\n\n      case 'Function':\n        // allow complex comparison\n        return !!value(data[name], name, data);\n\n      case 'Array':\n        if (!isArray(data[name])) {\n          return false;\n        }\n\n        var op = withinArray ? arrayContains : arraysEqual;\n        return op(data[name], value);\n\n      case 'RegExp':\n        if (!isArray(data[name])) {\n          return Boolean(data[name] && data[name].match(value));\n        }\n\n        if (!withinArray) {\n          return false;\n        }\n\n        return arrayContains(data[name], value);\n\n      case 'Number':\n        value = String(value);\n        /* falls through */\n      case 'String':\n        if (!isArray(data[name])) {\n          return data[name] === value;\n        }\n\n        if (!withinArray) {\n          return false;\n        }\n\n        return arrayContains(data[name], value);\n\n      default:\n        throw new TypeError('URI.hasQuery() accepts undefined, boolean, string, number, RegExp, Function as the value parameter');\n    }\n  };\n\n\n  URI.commonPath = function(one, two) {\n    var length = Math.min(one.length, two.length);\n    var pos;\n\n    // find first non-matching character\n    for (pos = 0; pos < length; pos++) {\n      if (one.charAt(pos) !== two.charAt(pos)) {\n        pos--;\n        break;\n      }\n    }\n\n    if (pos < 1) {\n      return one.charAt(0) === two.charAt(0) && one.charAt(0) === '/' ? '/' : '';\n    }\n\n    // revert to last /\n    if (one.charAt(pos) !== '/' || two.charAt(pos) !== '/') {\n      pos = one.substring(0, pos).lastIndexOf('/');\n    }\n\n    return one.substring(0, pos + 1);\n  };\n\n  URI.withinString = function(string, callback, options) {\n    options || (options = {});\n    var _start = options.start || URI.findUri.start;\n    var _end = options.end || URI.findUri.end;\n    var _trim = options.trim || URI.findUri.trim;\n    var _attributeOpen = /[a-z0-9-]=[\"']?$/i;\n\n    _start.lastIndex = 0;\n    while (true) {\n      var match = _start.exec(string);\n      if (!match) {\n        break;\n      }\n\n      var start = match.index;\n      if (options.ignoreHtml) {\n        // attribut(e=[\"']?$)\n        var attributeOpen = string.slice(Math.max(start - 3, 0), start);\n        if (attributeOpen && _attributeOpen.test(attributeOpen)) {\n          continue;\n        }\n      }\n\n      var end = start + string.slice(start).search(_end);\n      var slice = string.slice(start, end).replace(_trim, '');\n      if (options.ignore && options.ignore.test(slice)) {\n        continue;\n      }\n\n      end = start + slice.length;\n      var result = callback(slice, start, end, string);\n      string = string.slice(0, start) + result + string.slice(end);\n      _start.lastIndex = start + result.length;\n    }\n\n    _start.lastIndex = 0;\n    return string;\n  };\n\n  URI.ensureValidHostname = function(v) {\n    // Theoretically URIs allow percent-encoding in Hostnames (according to RFC 3986)\n    // they are not part of DNS and therefore ignored by URI.js\n\n    if (v.match(URI.invalid_hostname_characters)) {\n      // test punycode\n      if (!punycode) {\n        throw new TypeError('Hostname \"' + v + '\" contains characters other than [A-Z0-9.-] and Punycode.js is not available');\n      }\n\n      if (punycode.toASCII(v).match(URI.invalid_hostname_characters)) {\n        throw new TypeError('Hostname \"' + v + '\" contains characters other than [A-Z0-9.-]');\n      }\n    }\n  };\n\n  // noConflict\n  URI.noConflict = function(removeAll) {\n    if (removeAll) {\n      var unconflicted = {\n        URI: this.noConflict()\n      };\n\n      if (root.URITemplate && typeof root.URITemplate.noConflict === 'function') {\n        unconflicted.URITemplate = root.URITemplate.noConflict();\n      }\n\n      if (root.IPv6 && typeof root.IPv6.noConflict === 'function') {\n        unconflicted.IPv6 = root.IPv6.noConflict();\n      }\n\n      if (root.SecondLevelDomains && typeof root.SecondLevelDomains.noConflict === 'function') {\n        unconflicted.SecondLevelDomains = root.SecondLevelDomains.noConflict();\n      }\n\n      return unconflicted;\n    } else if (root.URI === this) {\n      root.URI = _URI;\n    }\n\n    return this;\n  };\n\n  p.build = function(deferBuild) {\n    if (deferBuild === true) {\n      this._deferred_build = true;\n    } else if (deferBuild === undefined || this._deferred_build) {\n      this._string = URI.build(this._parts);\n      this._deferred_build = false;\n    }\n\n    return this;\n  };\n\n  p.clone = function() {\n    return new URI(this);\n  };\n\n  p.valueOf = p.toString = function() {\n    return this.build(false)._string;\n  };\n\n\n  function generateSimpleAccessor(_part){\n    return function(v, build) {\n      if (v === undefined) {\n        return this._parts[_part] || '';\n      } else {\n        this._parts[_part] = v || null;\n        this.build(!build);\n        return this;\n      }\n    };\n  }\n\n  function generatePrefixAccessor(_part, _key){\n    return function(v, build) {\n      if (v === undefined) {\n        return this._parts[_part] || '';\n      } else {\n        if (v !== null) {\n          v = v + '';\n          if (v.charAt(0) === _key) {\n            v = v.substring(1);\n          }\n        }\n\n        this._parts[_part] = v;\n        this.build(!build);\n        return this;\n      }\n    };\n  }\n\n  p.protocol = generateSimpleAccessor('protocol');\n  p.username = generateSimpleAccessor('username');\n  p.password = generateSimpleAccessor('password');\n  p.hostname = generateSimpleAccessor('hostname');\n  p.port = generateSimpleAccessor('port');\n  p.query = generatePrefixAccessor('query', '?');\n  p.fragment = generatePrefixAccessor('fragment', '#');\n\n  p.search = function(v, build) {\n    var t = this.query(v, build);\n    return typeof t === 'string' && t.length ? ('?' + t) : t;\n  };\n  p.hash = function(v, build) {\n    var t = this.fragment(v, build);\n    return typeof t === 'string' && t.length ? ('#' + t) : t;\n  };\n\n  p.pathname = function(v, build) {\n    if (v === undefined || v === true) {\n      var res = this._parts.path || (this._parts.hostname ? '/' : '');\n      return v ? (this._parts.urn ? URI.decodeUrnPath : URI.decodePath)(res) : res;\n    } else {\n      if (this._parts.urn) {\n        this._parts.path = v ? URI.recodeUrnPath(v) : '';\n      } else {\n        this._parts.path = v ? URI.recodePath(v) : '/';\n      }\n      this.build(!build);\n      return this;\n    }\n  };\n  p.path = p.pathname;\n  p.href = function(href, build) {\n    var key;\n\n    if (href === undefined) {\n      return this.toString();\n    }\n\n    this._string = '';\n    this._parts = URI._parts();\n\n    var _URI = href instanceof URI;\n    var _object = typeof href === 'object' && (href.hostname || href.path || href.pathname);\n    if (href.nodeName) {\n      var attribute = URI.getDomAttribute(href);\n      href = href[attribute] || '';\n      _object = false;\n    }\n\n    // window.location is reported to be an object, but it's not the sort\n    // of object we're looking for:\n    // * location.protocol ends with a colon\n    // * location.query != object.search\n    // * location.hash != object.fragment\n    // simply serializing the unknown object should do the trick\n    // (for location, not for everything...)\n    if (!_URI && _object && href.pathname !== undefined) {\n      href = href.toString();\n    }\n\n    if (typeof href === 'string' || href instanceof String) {\n      this._parts = URI.parse(String(href), this._parts);\n    } else if (_URI || _object) {\n      var src = _URI ? href._parts : href;\n      for (key in src) {\n        if (hasOwn.call(this._parts, key)) {\n          this._parts[key] = src[key];\n        }\n      }\n    } else {\n      throw new TypeError('invalid input');\n    }\n\n    this.build(!build);\n    return this;\n  };\n\n  // identification accessors\n  p.is = function(what) {\n    var ip = false;\n    var ip4 = false;\n    var ip6 = false;\n    var name = false;\n    var sld = false;\n    var idn = false;\n    var punycode = false;\n    var relative = !this._parts.urn;\n\n    if (this._parts.hostname) {\n      relative = false;\n      ip4 = URI.ip4_expression.test(this._parts.hostname);\n      ip6 = URI.ip6_expression.test(this._parts.hostname);\n      ip = ip4 || ip6;\n      name = !ip;\n      sld = name && SLD && SLD.has(this._parts.hostname);\n      idn = name && URI.idn_expression.test(this._parts.hostname);\n      punycode = name && URI.punycode_expression.test(this._parts.hostname);\n    }\n\n    switch (what.toLowerCase()) {\n      case 'relative':\n        return relative;\n\n      case 'absolute':\n        return !relative;\n\n      // hostname identification\n      case 'domain':\n      case 'name':\n        return name;\n\n      case 'sld':\n        return sld;\n\n      case 'ip':\n        return ip;\n\n      case 'ip4':\n      case 'ipv4':\n      case 'inet4':\n        return ip4;\n\n      case 'ip6':\n      case 'ipv6':\n      case 'inet6':\n        return ip6;\n\n      case 'idn':\n        return idn;\n\n      case 'url':\n        return !this._parts.urn;\n\n      case 'urn':\n        return !!this._parts.urn;\n\n      case 'punycode':\n        return punycode;\n    }\n\n    return null;\n  };\n\n  // component specific input validation\n  var _protocol = p.protocol;\n  var _port = p.port;\n  var _hostname = p.hostname;\n\n  p.protocol = function(v, build) {\n    if (v !== undefined) {\n      if (v) {\n        // accept trailing ://\n        v = v.replace(/:(\\/\\/)?$/, '');\n\n        if (!v.match(URI.protocol_expression)) {\n          throw new TypeError('Protocol \"' + v + '\" contains characters other than [A-Z0-9.+-] or doesn\\'t start with [A-Z]');\n        }\n      }\n    }\n    return _protocol.call(this, v, build);\n  };\n  p.scheme = p.protocol;\n  p.port = function(v, build) {\n    if (this._parts.urn) {\n      return v === undefined ? '' : this;\n    }\n\n    if (v !== undefined) {\n      if (v === 0) {\n        v = null;\n      }\n\n      if (v) {\n        v += '';\n        if (v.charAt(0) === ':') {\n          v = v.substring(1);\n        }\n\n        if (v.match(/[^0-9]/)) {\n          throw new TypeError('Port \"' + v + '\" contains characters other than [0-9]');\n        }\n      }\n    }\n    return _port.call(this, v, build);\n  };\n  p.hostname = function(v, build) {\n    if (this._parts.urn) {\n      return v === undefined ? '' : this;\n    }\n\n    if (v !== undefined) {\n      var x = {};\n      var res = URI.parseHost(v, x);\n      if (res !== '/') {\n        throw new TypeError('Hostname \"' + v + '\" contains characters other than [A-Z0-9.-]');\n      }\n\n      v = x.hostname;\n    }\n    return _hostname.call(this, v, build);\n  };\n\n  // compound accessors\n  p.origin = function(v, build) {\n    var parts;\n\n    if (this._parts.urn) {\n      return v === undefined ? '' : this;\n    }\n\n    if (v === undefined) {\n      var protocol = this.protocol();\n      var authority = this.authority();\n      if (!authority) return '';\n      return (protocol ? protocol + '://' : '') + this.authority();\n    } else {\n      var origin = URI(v);\n      this\n        .protocol(origin.protocol())\n        .authority(origin.authority())\n        .build(!build);\n      return this;\n    }\n  };\n  p.host = function(v, build) {\n    if (this._parts.urn) {\n      return v === undefined ? '' : this;\n    }\n\n    if (v === undefined) {\n      return this._parts.hostname ? URI.buildHost(this._parts) : '';\n    } else {\n      var res = URI.parseHost(v, this._parts);\n      if (res !== '/') {\n        throw new TypeError('Hostname \"' + v + '\" contains characters other than [A-Z0-9.-]');\n      }\n\n      this.build(!build);\n      return this;\n    }\n  };\n  p.authority = function(v, build) {\n    if (this._parts.urn) {\n      return v === undefined ? '' : this;\n    }\n\n    if (v === undefined) {\n      return this._parts.hostname ? URI.buildAuthority(this._parts) : '';\n    } else {\n      var res = URI.parseAuthority(v, this._parts);\n      if (res !== '/') {\n        throw new TypeError('Hostname \"' + v + '\" contains characters other than [A-Z0-9.-]');\n      }\n\n      this.build(!build);\n      return this;\n    }\n  };\n  p.userinfo = function(v, build) {\n    if (this._parts.urn) {\n      return v === undefined ? '' : this;\n    }\n\n    if (v === undefined) {\n      if (!this._parts.username) {\n        return '';\n      }\n\n      var t = URI.buildUserinfo(this._parts);\n      return t.substring(0, t.length -1);\n    } else {\n      if (v[v.length-1] !== '@') {\n        v += '@';\n      }\n\n      URI.parseUserinfo(v, this._parts);\n      this.build(!build);\n      return this;\n    }\n  };\n  p.resource = function(v, build) {\n    var parts;\n\n    if (v === undefined) {\n      return this.path() + this.search() + this.hash();\n    }\n\n    parts = URI.parse(v);\n    this._parts.path = parts.path;\n    this._parts.query = parts.query;\n    this._parts.fragment = parts.fragment;\n    this.build(!build);\n    return this;\n  };\n\n  // fraction accessors\n  p.subdomain = function(v, build) {\n    if (this._parts.urn) {\n      return v === undefined ? '' : this;\n    }\n\n    // convenience, return \"www\" from \"www.example.org\"\n    if (v === undefined) {\n      if (!this._parts.hostname || this.is('IP')) {\n        return '';\n      }\n\n      // grab domain and add another segment\n      var end = this._parts.hostname.length - this.domain().length - 1;\n      return this._parts.hostname.substring(0, end) || '';\n    } else {\n      var e = this._parts.hostname.length - this.domain().length;\n      var sub = this._parts.hostname.substring(0, e);\n      var replace = new RegExp('^' + escapeRegEx(sub));\n\n      if (v && v.charAt(v.length - 1) !== '.') {\n        v += '.';\n      }\n\n      if (v) {\n        URI.ensureValidHostname(v);\n      }\n\n      this._parts.hostname = this._parts.hostname.replace(replace, v);\n      this.build(!build);\n      return this;\n    }\n  };\n  p.domain = function(v, build) {\n    if (this._parts.urn) {\n      return v === undefined ? '' : this;\n    }\n\n    if (typeof v === 'boolean') {\n      build = v;\n      v = undefined;\n    }\n\n    // convenience, return \"example.org\" from \"www.example.org\"\n    if (v === undefined) {\n      if (!this._parts.hostname || this.is('IP')) {\n        return '';\n      }\n\n      // if hostname consists of 1 or 2 segments, it must be the domain\n      var t = this._parts.hostname.match(/\\./g);\n      if (t && t.length < 2) {\n        return this._parts.hostname;\n      }\n\n      // grab tld and add another segment\n      var end = this._parts.hostname.length - this.tld(build).length - 1;\n      end = this._parts.hostname.lastIndexOf('.', end -1) + 1;\n      return this._parts.hostname.substring(end) || '';\n    } else {\n      if (!v) {\n        throw new TypeError('cannot set domain empty');\n      }\n\n      URI.ensureValidHostname(v);\n\n      if (!this._parts.hostname || this.is('IP')) {\n        this._parts.hostname = v;\n      } else {\n        var replace = new RegExp(escapeRegEx(this.domain()) + '$');\n        this._parts.hostname = this._parts.hostname.replace(replace, v);\n      }\n\n      this.build(!build);\n      return this;\n    }\n  };\n  p.tld = function(v, build) {\n    if (this._parts.urn) {\n      return v === undefined ? '' : this;\n    }\n\n    if (typeof v === 'boolean') {\n      build = v;\n      v = undefined;\n    }\n\n    // return \"org\" from \"www.example.org\"\n    if (v === undefined) {\n      if (!this._parts.hostname || this.is('IP')) {\n        return '';\n      }\n\n      var pos = this._parts.hostname.lastIndexOf('.');\n      var tld = this._parts.hostname.substring(pos + 1);\n\n      if (build !== true && SLD && SLD.list[tld.toLowerCase()]) {\n        return SLD.get(this._parts.hostname) || tld;\n      }\n\n      return tld;\n    } else {\n      var replace;\n\n      if (!v) {\n        throw new TypeError('cannot set TLD empty');\n      } else if (v.match(/[^a-zA-Z0-9-]/)) {\n        if (SLD && SLD.is(v)) {\n          replace = new RegExp(escapeRegEx(this.tld()) + '$');\n          this._parts.hostname = this._parts.hostname.replace(replace, v);\n        } else {\n          throw new TypeError('TLD \"' + v + '\" contains characters other than [A-Z0-9]');\n        }\n      } else if (!this._parts.hostname || this.is('IP')) {\n        throw new ReferenceError('cannot set TLD on non-domain host');\n      } else {\n        replace = new RegExp(escapeRegEx(this.tld()) + '$');\n        this._parts.hostname = this._parts.hostname.replace(replace, v);\n      }\n\n      this.build(!build);\n      return this;\n    }\n  };\n  p.directory = function(v, build) {\n    if (this._parts.urn) {\n      return v === undefined ? '' : this;\n    }\n\n    if (v === undefined || v === true) {\n      if (!this._parts.path && !this._parts.hostname) {\n        return '';\n      }\n\n      if (this._parts.path === '/') {\n        return '/';\n      }\n\n      var end = this._parts.path.length - this.filename().length - 1;\n      var res = this._parts.path.substring(0, end) || (this._parts.hostname ? '/' : '');\n\n      return v ? URI.decodePath(res) : res;\n\n    } else {\n      var e = this._parts.path.length - this.filename().length;\n      var directory = this._parts.path.substring(0, e);\n      var replace = new RegExp('^' + escapeRegEx(directory));\n\n      // fully qualifier directories begin with a slash\n      if (!this.is('relative')) {\n        if (!v) {\n          v = '/';\n        }\n\n        if (v.charAt(0) !== '/') {\n          v = '/' + v;\n        }\n      }\n\n      // directories always end with a slash\n      if (v && v.charAt(v.length - 1) !== '/') {\n        v += '/';\n      }\n\n      v = URI.recodePath(v);\n      this._parts.path = this._parts.path.replace(replace, v);\n      this.build(!build);\n      return this;\n    }\n  };\n  p.filename = function(v, build) {\n    if (this._parts.urn) {\n      return v === undefined ? '' : this;\n    }\n\n    if (v === undefined || v === true) {\n      if (!this._parts.path || this._parts.path === '/') {\n        return '';\n      }\n\n      var pos = this._parts.path.lastIndexOf('/');\n      var res = this._parts.path.substring(pos+1);\n\n      return v ? URI.decodePathSegment(res) : res;\n    } else {\n      var mutatedDirectory = false;\n\n      if (v.charAt(0) === '/') {\n        v = v.substring(1);\n      }\n\n      if (v.match(/\\.?\\//)) {\n        mutatedDirectory = true;\n      }\n\n      var replace = new RegExp(escapeRegEx(this.filename()) + '$');\n      v = URI.recodePath(v);\n      this._parts.path = this._parts.path.replace(replace, v);\n\n      if (mutatedDirectory) {\n        this.normalizePath(build);\n      } else {\n        this.build(!build);\n      }\n\n      return this;\n    }\n  };\n  p.suffix = function(v, build) {\n    if (this._parts.urn) {\n      return v === undefined ? '' : this;\n    }\n\n    if (v === undefined || v === true) {\n      if (!this._parts.path || this._parts.path === '/') {\n        return '';\n      }\n\n      var filename = this.filename();\n      var pos = filename.lastIndexOf('.');\n      var s, res;\n\n      if (pos === -1) {\n        return '';\n      }\n\n      // suffix may only contain alnum characters (yup, I made this up.)\n      s = filename.substring(pos+1);\n      res = (/^[a-z0-9%]+$/i).test(s) ? s : '';\n      return v ? URI.decodePathSegment(res) : res;\n    } else {\n      if (v.charAt(0) === '.') {\n        v = v.substring(1);\n      }\n\n      var suffix = this.suffix();\n      var replace;\n\n      if (!suffix) {\n        if (!v) {\n          return this;\n        }\n\n        this._parts.path += '.' + URI.recodePath(v);\n      } else if (!v) {\n        replace = new RegExp(escapeRegEx('.' + suffix) + '$');\n      } else {\n        replace = new RegExp(escapeRegEx(suffix) + '$');\n      }\n\n      if (replace) {\n        v = URI.recodePath(v);\n        this._parts.path = this._parts.path.replace(replace, v);\n      }\n\n      this.build(!build);\n      return this;\n    }\n  };\n  p.segment = function(segment, v, build) {\n    var separator = this._parts.urn ? ':' : '/';\n    var path = this.path();\n    var absolute = path.substring(0, 1) === '/';\n    var segments = path.split(separator);\n\n    if (segment !== undefined && typeof segment !== 'number') {\n      build = v;\n      v = segment;\n      segment = undefined;\n    }\n\n    if (segment !== undefined && typeof segment !== 'number') {\n      throw new Error('Bad segment \"' + segment + '\", must be 0-based integer');\n    }\n\n    if (absolute) {\n      segments.shift();\n    }\n\n    if (segment < 0) {\n      // allow negative indexes to address from the end\n      segment = Math.max(segments.length + segment, 0);\n    }\n\n    if (v === undefined) {\n      /*jshint laxbreak: true */\n      return segment === undefined\n        ? segments\n        : segments[segment];\n      /*jshint laxbreak: false */\n    } else if (segment === null || segments[segment] === undefined) {\n      if (isArray(v)) {\n        segments = [];\n        // collapse empty elements within array\n        for (var i=0, l=v.length; i < l; i++) {\n          if (!v[i].length && (!segments.length || !segments[segments.length -1].length)) {\n            continue;\n          }\n\n          if (segments.length && !segments[segments.length -1].length) {\n            segments.pop();\n          }\n\n          segments.push(trimSlashes(v[i]));\n        }\n      } else if (v || typeof v === 'string') {\n        v = trimSlashes(v);\n        if (segments[segments.length -1] === '') {\n          // empty trailing elements have to be overwritten\n          // to prevent results such as /foo//bar\n          segments[segments.length -1] = v;\n        } else {\n          segments.push(v);\n        }\n      }\n    } else {\n      if (v) {\n        segments[segment] = trimSlashes(v);\n      } else {\n        segments.splice(segment, 1);\n      }\n    }\n\n    if (absolute) {\n      segments.unshift('');\n    }\n\n    return this.path(segments.join(separator), build);\n  };\n  p.segmentCoded = function(segment, v, build) {\n    var segments, i, l;\n\n    if (typeof segment !== 'number') {\n      build = v;\n      v = segment;\n      segment = undefined;\n    }\n\n    if (v === undefined) {\n      segments = this.segment(segment, v, build);\n      if (!isArray(segments)) {\n        segments = segments !== undefined ? URI.decode(segments) : undefined;\n      } else {\n        for (i = 0, l = segments.length; i < l; i++) {\n          segments[i] = URI.decode(segments[i]);\n        }\n      }\n\n      return segments;\n    }\n\n    if (!isArray(v)) {\n      v = (typeof v === 'string' || v instanceof String) ? URI.encode(v) : v;\n    } else {\n      for (i = 0, l = v.length; i < l; i++) {\n        v[i] = URI.encode(v[i]);\n      }\n    }\n\n    return this.segment(segment, v, build);\n  };\n\n  // mutating query string\n  var q = p.query;\n  p.query = function(v, build) {\n    if (v === true) {\n      return URI.parseQuery(this._parts.query, this._parts.escapeQuerySpace);\n    } else if (typeof v === 'function') {\n      var data = URI.parseQuery(this._parts.query, this._parts.escapeQuerySpace);\n      var result = v.call(this, data);\n      this._parts.query = URI.buildQuery(result || data, this._parts.duplicateQueryParameters, this._parts.escapeQuerySpace);\n      this.build(!build);\n      return this;\n    } else if (v !== undefined && typeof v !== 'string') {\n      this._parts.query = URI.buildQuery(v, this._parts.duplicateQueryParameters, this._parts.escapeQuerySpace);\n      this.build(!build);\n      return this;\n    } else {\n      return q.call(this, v, build);\n    }\n  };\n  p.setQuery = function(name, value, build) {\n    var data = URI.parseQuery(this._parts.query, this._parts.escapeQuerySpace);\n\n    if (typeof name === 'string' || name instanceof String) {\n      data[name] = value !== undefined ? value : null;\n    } else if (typeof name === 'object') {\n      for (var key in name) {\n        if (hasOwn.call(name, key)) {\n          data[key] = name[key];\n        }\n      }\n    } else {\n      throw new TypeError('URI.addQuery() accepts an object, string as the name parameter');\n    }\n\n    this._parts.query = URI.buildQuery(data, this._parts.duplicateQueryParameters, this._parts.escapeQuerySpace);\n    if (typeof name !== 'string') {\n      build = value;\n    }\n\n    this.build(!build);\n    return this;\n  };\n  p.addQuery = function(name, value, build) {\n    var data = URI.parseQuery(this._parts.query, this._parts.escapeQuerySpace);\n    URI.addQuery(data, name, value === undefined ? null : value);\n    this._parts.query = URI.buildQuery(data, this._parts.duplicateQueryParameters, this._parts.escapeQuerySpace);\n    if (typeof name !== 'string') {\n      build = value;\n    }\n\n    this.build(!build);\n    return this;\n  };\n  p.removeQuery = function(name, value, build) {\n    var data = URI.parseQuery(this._parts.query, this._parts.escapeQuerySpace);\n    URI.removeQuery(data, name, value);\n    this._parts.query = URI.buildQuery(data, this._parts.duplicateQueryParameters, this._parts.escapeQuerySpace);\n    if (typeof name !== 'string') {\n      build = value;\n    }\n\n    this.build(!build);\n    return this;\n  };\n  p.hasQuery = function(name, value, withinArray) {\n    var data = URI.parseQuery(this._parts.query, this._parts.escapeQuerySpace);\n    return URI.hasQuery(data, name, value, withinArray);\n  };\n  p.setSearch = p.setQuery;\n  p.addSearch = p.addQuery;\n  p.removeSearch = p.removeQuery;\n  p.hasSearch = p.hasQuery;\n\n  // sanitizing URLs\n  p.normalize = function() {\n    if (this._parts.urn) {\n      return this\n        .normalizeProtocol(false)\n        .normalizePath(false)\n        .normalizeQuery(false)\n        .normalizeFragment(false)\n        .build();\n    }\n\n    return this\n      .normalizeProtocol(false)\n      .normalizeHostname(false)\n      .normalizePort(false)\n      .normalizePath(false)\n      .normalizeQuery(false)\n      .normalizeFragment(false)\n      .build();\n  };\n  p.normalizeProtocol = function(build) {\n    if (typeof this._parts.protocol === 'string') {\n      this._parts.protocol = this._parts.protocol.toLowerCase();\n      this.build(!build);\n    }\n\n    return this;\n  };\n  p.normalizeHostname = function(build) {\n    if (this._parts.hostname) {\n      if (this.is('IDN') && punycode) {\n        this._parts.hostname = punycode.toASCII(this._parts.hostname);\n      } else if (this.is('IPv6') && IPv6) {\n        this._parts.hostname = IPv6.best(this._parts.hostname);\n      }\n\n      this._parts.hostname = this._parts.hostname.toLowerCase();\n      this.build(!build);\n    }\n\n    return this;\n  };\n  p.normalizePort = function(build) {\n    // remove port of it's the protocol's default\n    if (typeof this._parts.protocol === 'string' && this._parts.port === URI.defaultPorts[this._parts.protocol]) {\n      this._parts.port = null;\n      this.build(!build);\n    }\n\n    return this;\n  };\n  p.normalizePath = function(build) {\n    var _path = this._parts.path;\n    if (!_path) {\n      return this;\n    }\n\n    if (this._parts.urn) {\n      this._parts.path = URI.recodeUrnPath(this._parts.path);\n      this.build(!build);\n      return this;\n    }\n\n    if (this._parts.path === '/') {\n      return this;\n    }\n\n    var _was_relative;\n    var _leadingParents = '';\n    var _parent, _pos;\n\n    // handle relative paths\n    if (_path.charAt(0) !== '/') {\n      _was_relative = true;\n      _path = '/' + _path;\n    }\n\n    // handle relative files (as opposed to directories)\n    if (_path.slice(-3) === '/..' || _path.slice(-2) === '/.') {\n      _path += '/';\n    }\n\n    // resolve simples\n    _path = _path\n      .replace(/(\\/(\\.\\/)+)|(\\/\\.$)/g, '/')\n      .replace(/\\/{2,}/g, '/');\n\n    // remember leading parents\n    if (_was_relative) {\n      _leadingParents = _path.substring(1).match(/^(\\.\\.\\/)+/) || '';\n      if (_leadingParents) {\n        _leadingParents = _leadingParents[0];\n      }\n    }\n\n    // resolve parents\n    while (true) {\n      _parent = _path.indexOf('/..');\n      if (_parent === -1) {\n        // no more ../ to resolve\n        break;\n      } else if (_parent === 0) {\n        // top level cannot be relative, skip it\n        _path = _path.substring(3);\n        continue;\n      }\n\n      _pos = _path.substring(0, _parent).lastIndexOf('/');\n      if (_pos === -1) {\n        _pos = _parent;\n      }\n      _path = _path.substring(0, _pos) + _path.substring(_parent + 3);\n    }\n\n    // revert to relative\n    if (_was_relative && this.is('relative')) {\n      _path = _leadingParents + _path.substring(1);\n    }\n\n    _path = URI.recodePath(_path);\n    this._parts.path = _path;\n    this.build(!build);\n    return this;\n  };\n  p.normalizePathname = p.normalizePath;\n  p.normalizeQuery = function(build) {\n    if (typeof this._parts.query === 'string') {\n      if (!this._parts.query.length) {\n        this._parts.query = null;\n      } else {\n        this.query(URI.parseQuery(this._parts.query, this._parts.escapeQuerySpace));\n      }\n\n      this.build(!build);\n    }\n\n    return this;\n  };\n  p.normalizeFragment = function(build) {\n    if (!this._parts.fragment) {\n      this._parts.fragment = null;\n      this.build(!build);\n    }\n\n    return this;\n  };\n  p.normalizeSearch = p.normalizeQuery;\n  p.normalizeHash = p.normalizeFragment;\n\n  p.iso8859 = function() {\n    // expect unicode input, iso8859 output\n    var e = URI.encode;\n    var d = URI.decode;\n\n    URI.encode = escape;\n    URI.decode = decodeURIComponent;\n    try {\n      this.normalize();\n    } finally {\n      URI.encode = e;\n      URI.decode = d;\n    }\n    return this;\n  };\n\n  p.unicode = function() {\n    // expect iso8859 input, unicode output\n    var e = URI.encode;\n    var d = URI.decode;\n\n    URI.encode = strictEncodeURIComponent;\n    URI.decode = unescape;\n    try {\n      this.normalize();\n    } finally {\n      URI.encode = e;\n      URI.decode = d;\n    }\n    return this;\n  };\n\n  p.readable = function() {\n    var uri = this.clone();\n    // removing username, password, because they shouldn't be displayed according to RFC 3986\n    uri.username('').password('').normalize();\n    var t = '';\n    if (uri._parts.protocol) {\n      t += uri._parts.protocol + '://';\n    }\n\n    if (uri._parts.hostname) {\n      if (uri.is('punycode') && punycode) {\n        t += punycode.toUnicode(uri._parts.hostname);\n        if (uri._parts.port) {\n          t += ':' + uri._parts.port;\n        }\n      } else {\n        t += uri.host();\n      }\n    }\n\n    if (uri._parts.hostname && uri._parts.path && uri._parts.path.charAt(0) !== '/') {\n      t += '/';\n    }\n\n    t += uri.path(true);\n    if (uri._parts.query) {\n      var q = '';\n      for (var i = 0, qp = uri._parts.query.split('&'), l = qp.length; i < l; i++) {\n        var kv = (qp[i] || '').split('=');\n        q += '&' + URI.decodeQuery(kv[0], this._parts.escapeQuerySpace)\n          .replace(/&/g, '%26');\n\n        if (kv[1] !== undefined) {\n          q += '=' + URI.decodeQuery(kv[1], this._parts.escapeQuerySpace)\n            .replace(/&/g, '%26');\n        }\n      }\n      t += '?' + q.substring(1);\n    }\n\n    t += URI.decodeQuery(uri.hash(), true);\n    return t;\n  };\n\n  // resolving relative and absolute URLs\n  p.absoluteTo = function(base) {\n    var resolved = this.clone();\n    var properties = ['protocol', 'username', 'password', 'hostname', 'port'];\n    var basedir, i, p;\n\n    if (this._parts.urn) {\n      throw new Error('URNs do not have any generally defined hierarchical components');\n    }\n\n    if (!(base instanceof URI)) {\n      base = new URI(base);\n    }\n\n    if (!resolved._parts.protocol) {\n      resolved._parts.protocol = base._parts.protocol;\n    }\n\n    if (this._parts.hostname) {\n      return resolved;\n    }\n\n    for (i = 0; (p = properties[i]); i++) {\n      resolved._parts[p] = base._parts[p];\n    }\n\n    if (!resolved._parts.path) {\n      resolved._parts.path = base._parts.path;\n      if (!resolved._parts.query) {\n        resolved._parts.query = base._parts.query;\n      }\n    } else if (resolved._parts.path.substring(-2) === '..') {\n      resolved._parts.path += '/';\n    }\n\n    if (resolved.path().charAt(0) !== '/') {\n      basedir = base.directory();\n      basedir = basedir ? basedir : base.path().indexOf('/') === 0 ? '/' : '';\n      resolved._parts.path = (basedir ? (basedir + '/') : '') + resolved._parts.path;\n      resolved.normalizePath();\n    }\n\n    resolved.build();\n    return resolved;\n  };\n  p.relativeTo = function(base) {\n    var relative = this.clone().normalize();\n    var relativeParts, baseParts, common, relativePath, basePath;\n\n    if (relative._parts.urn) {\n      throw new Error('URNs do not have any generally defined hierarchical components');\n    }\n\n    base = new URI(base).normalize();\n    relativeParts = relative._parts;\n    baseParts = base._parts;\n    relativePath = relative.path();\n    basePath = base.path();\n\n    if (relativePath.charAt(0) !== '/') {\n      throw new Error('URI is already relative');\n    }\n\n    if (basePath.charAt(0) !== '/') {\n      throw new Error('Cannot calculate a URI relative to another relative URI');\n    }\n\n    if (relativeParts.protocol === baseParts.protocol) {\n      relativeParts.protocol = null;\n    }\n\n    if (relativeParts.username !== baseParts.username || relativeParts.password !== baseParts.password) {\n      return relative.build();\n    }\n\n    if (relativeParts.protocol !== null || relativeParts.username !== null || relativeParts.password !== null) {\n      return relative.build();\n    }\n\n    if (relativeParts.hostname === baseParts.hostname && relativeParts.port === baseParts.port) {\n      relativeParts.hostname = null;\n      relativeParts.port = null;\n    } else {\n      return relative.build();\n    }\n\n    if (relativePath === basePath) {\n      relativeParts.path = '';\n      return relative.build();\n    }\n\n    // determine common sub path\n    common = URI.commonPath(relativePath, basePath);\n\n    // If the paths have nothing in common, return a relative URL with the absolute path.\n    if (!common) {\n      return relative.build();\n    }\n\n    var parents = baseParts.path\n      .substring(common.length)\n      .replace(/[^\\/]*$/, '')\n      .replace(/.*?\\//g, '../');\n\n    relativeParts.path = (parents + relativeParts.path.substring(common.length)) || './';\n\n    return relative.build();\n  };\n\n  // comparing URIs\n  p.equals = function(uri) {\n    var one = this.clone();\n    var two = new URI(uri);\n    var one_map = {};\n    var two_map = {};\n    var checked = {};\n    var one_query, two_query, key;\n\n    one.normalize();\n    two.normalize();\n\n    // exact match\n    if (one.toString() === two.toString()) {\n      return true;\n    }\n\n    // extract query string\n    one_query = one.query();\n    two_query = two.query();\n    one.query('');\n    two.query('');\n\n    // definitely not equal if not even non-query parts match\n    if (one.toString() !== two.toString()) {\n      return false;\n    }\n\n    // query parameters have the same length, even if they're permuted\n    if (one_query.length !== two_query.length) {\n      return false;\n    }\n\n    one_map = URI.parseQuery(one_query, this._parts.escapeQuerySpace);\n    two_map = URI.parseQuery(two_query, this._parts.escapeQuerySpace);\n\n    for (key in one_map) {\n      if (hasOwn.call(one_map, key)) {\n        if (!isArray(one_map[key])) {\n          if (one_map[key] !== two_map[key]) {\n            return false;\n          }\n        } else if (!arraysEqual(one_map[key], two_map[key])) {\n          return false;\n        }\n\n        checked[key] = true;\n      }\n    }\n\n    for (key in two_map) {\n      if (hasOwn.call(two_map, key)) {\n        if (!checked[key]) {\n          // two contains a parameter not present in one\n          return false;\n        }\n      }\n    }\n\n    return true;\n  };\n\n  // state\n  p.duplicateQueryParameters = function(v) {\n    this._parts.duplicateQueryParameters = !!v;\n    return this;\n  };\n\n  p.escapeQuerySpace = function(v) {\n    this._parts.escapeQuerySpace = !!v;\n    return this;\n  };\n\n  return URI;\n}));\n","var RSVP = require('rsvp');\nvar URI = require('urijs');\nvar core = require('./core');\nvar Spine = require('./spine');\nvar Locations = require('./locations');\nvar Parser = require('./parser');\nvar Navigation = require('./navigation');\nvar Rendition = require('./rendition');\nvar Continuous = require('./continuous');\nvar Paginate = require('./paginate');\nvar Unarchive = require('./unarchive');\nvar request = require('./request');\n\nfunction Book(_url, options){\n  // Promises\n  this.opening = new RSVP.defer();\n  this.opened = this.opening.promise;\n  this.isOpen = false;\n\n  this.url = undefined;\n\n  this.loading = {\n    manifest: new RSVP.defer(),\n    spine: new RSVP.defer(),\n    metadata: new RSVP.defer(),\n    cover: new RSVP.defer(),\n    navigation: new RSVP.defer(),\n    pageList: new RSVP.defer()\n  };\n\n  this.loaded = {\n    manifest: this.loading.manifest.promise,\n    spine: this.loading.spine.promise,\n    metadata: this.loading.metadata.promise,\n    cover: this.loading.cover.promise,\n    navigation: this.loading.navigation.promise,\n    pageList: this.loading.pageList.promise\n  };\n\n  this.ready = RSVP.hash(this.loaded);\n\n  // Queue for methods used before opening\n  this.isRendered = false;\n  // this._q = core.queue(this);\n\n  this.request = this.requestMethod.bind(this);\n\n  this.spine = new Spine(this.request);\n  this.locations = new Locations(this.spine, this.request);\n\n  if(_url) {\n    this.open(_url);\n  }\n};\n\nBook.prototype.open = function(_url){\n  var uri;\n  var parse = new Parser();\n  var epubPackage;\n  var epubContainer;\n  var book = this;\n  var containerPath = \"META-INF/container.xml\";\n  var location;\n\n  if(!_url) {\n    this.opening.resolve(this);\n    return this.opened;\n  }\n\n  // Reuse parsed url or create a new uri object\n  // if(typeof(_url) === \"object\") {\n  //   uri = _url;\n  // } else {\n  //   uri = core.uri(_url);\n  // }\n  uri = URI(_url);\n  this.url = _url;\n\n  // Find path to the Container\n  if(uri.suffix() === \"opf\") {\n    // Direct link to package, no container\n    this.packageUrl = _url;\n    this.containerUrl = '';\n\n    if(uri.origin()) {\n      this.baseUrl = uri.origin() + \"/\" + uri.directory() + \"/\";\n    } else if(window){\n      this.baseUrl = uri.absoluteTo(window.location.href).directory() + \"/\";\n    } else {\n      this.baseUrl = uri.directory() + \"/\";\n    }\n\n    epubPackage = this.request(this.packageUrl);\n\n  } else if(this.isArchivedUrl(uri)) {\n    // Book is archived\n    this.url = '/';\n    this.containerUrl = URI(containerPath).absoluteTo(this.url).toString();\n\n    epubContainer = this.unarchive(_url).\n      then(function() {\n        return this.request(this.containerUrl);\n      }.bind(this));\n\n  }\n  // Find the path to the Package from the container\n  else if (!uri.suffix()) {\n\n    this.containerUrl = this.url + containerPath;\n\n    epubContainer = this.request(this.containerUrl);\n  }\n\n  if (epubContainer) {\n    epubPackage = epubContainer.\n      then(function(containerXml){\n        return parse.container(containerXml); // Container has path to content\n      }).\n      then(function(paths){\n        var packageUri = URI(paths.packagePath);\n        var absPackageUri = packageUri.absoluteTo(book.url);\n        book.packageUrl = absPackageUri.toString();\n        book.encoding = paths.encoding;\n\n        // Set Url relative to the content\n        if(packageUri.origin()) {\n          book.baseUrl = packageUri.origin() + \"/\" + packageUri.directory() + \"/\";\n        } else if(window && !book.isArchivedUrl(uri)){\n          book.baseUrl = absPackageUri.absoluteTo(window.location.href).directory() + \"/\";\n        } else {\n          book.baseUrl = \"/\" + packageUri.directory() + \"/\";\n        }\n\n        return book.request(book.packageUrl);\n      }).catch(function(error) {\n        // handle errors in either of the two requests\n        console.error(\"Could not load book at: \" + (this.packageUrl || this.containerPath));\n        book.trigger(\"book:loadFailed\", (this.packageUrl || this.containerPath));\n        book.opening.reject(error);\n      });\n  }\n\n\n  epubPackage.then(function(packageXml) {\n    // Get package information from epub opf\n    book.unpack(packageXml);\n\n    // Resolve promises\n    book.loading.manifest.resolve(book.package.manifest);\n    book.loading.metadata.resolve(book.package.metadata);\n    book.loading.spine.resolve(book.spine);\n    book.loading.cover.resolve(book.cover);\n\n    book.isOpen = true;\n\n    // Clear queue of any waiting book request\n\n    // Resolve book opened promise\n    book.opening.resolve(book);\n\n  }).catch(function(error) {\n    // handle errors in parsing the book\n    console.error(error.message, error.stack);\n    book.opening.reject(error);\n  });\n\n  return this.opened;\n};\n\nBook.prototype.unpack = function(packageXml){\n  var book = this,\n      parse = new Parser();\n\n  book.package = parse.packageContents(packageXml); // Extract info from contents\n  book.package.baseUrl = book.baseUrl; // Provides a url base for resolving paths\n\n  this.spine.load(book.package);\n\n  book.navigation = new Navigation(book.package, this.request);\n  book.navigation.load().then(function(toc){\n    book.toc = toc;\n    book.loading.navigation.resolve(book.toc);\n  });\n\n  // //-- Set Global Layout setting based on metadata\n  // MOVE TO RENDER\n  // book.globalLayoutProperties = book.parseLayoutProperties(book.package.metadata);\n\n  book.cover = URI(book.package.coverPath).absoluteTo(book.baseUrl).toString();\n};\n\n// Alias for book.spine.get\nBook.prototype.section = function(target) {\n  return this.spine.get(target);\n};\n\n// Sugar to render a book\nBook.prototype.renderTo = function(element, options) {\n  var renderMethod = (options && options.method) ?\n      options.method :\n      \"rendition\";\n  var Renderer = require('./'+renderMethod);\n\n  this.rendition = new Renderer(this, options);\n  this.rendition.attachTo(element);\n\n  return this.rendition;\n};\n\nBook.prototype.requestMethod = function(_url) {\n  // Switch request methods\n  if(this.archive) {\n    return this.archive.request(_url);\n  } else {\n    return request(_url, null, this.requestCredentials, this.requestHeaders);\n  }\n\n};\n\nBook.prototype.setRequestCredentials = function(_credentials) {\n  this.requestCredentials = _credentials;\n};\n\nBook.prototype.setRequestHeaders = function(_headers) {\n  this.requestHeaders = _headers;\n};\n\nBook.prototype.unarchive = function(bookUrl){\n\tthis.archive = new Unarchive();\n\treturn this.archive.open(bookUrl);\n};\n\n//-- Checks if url has a .epub or .zip extension, or is ArrayBuffer (of zip/epub)\nBook.prototype.isArchivedUrl = function(bookUrl){\n  var uri;\n  var extension;\n\n  if (bookUrl instanceof ArrayBuffer) {\n\t\treturn true;\n\t}\n\n  // Reuse parsed url or create a new uri object\n  // if(typeof(bookUrl) === \"object\") {\n  //   uri = bookUrl;\n  // } else {\n  //   uri = core.uri(bookUrl);\n  // }\n  uri = URI(bookUrl);\n  extension = uri.suffix();\n\n\tif(extension && (extension == \"epub\" || extension == \"zip\")){\n\t\treturn true;\n\t}\n\n\treturn false;\n};\n\n//-- Returns the cover\nBook.prototype.coverUrl = function(){\n\tvar retrieved = this.loaded.cover.\n\t\tthen(function(url) {\n\t\t\tif(this.archive) {\n\t\t\t\treturn this.archive.createUrl(this.cover);\n\t\t\t}else{\n\t\t\t\treturn this.cover;\n\t\t\t}\n\t\t}.bind(this));\n\n\n\n\treturn retrieved;\n};\n\nmodule.exports = Book;\n\n//-- Enable binding events to book\nRSVP.EventTarget.mixin(Book.prototype);\n\n//-- Handle RSVP Errors\nRSVP.on('error', function(event) {\n  console.error(event);\n});\n\nRSVP.configure('instrument', true); //-- true | will logging out all RSVP rejections\n// RSVP.on('created', listener);\n// RSVP.on('chained', listener);\n// RSVP.on('fulfilled', listener);\nRSVP.on('rejected', function(event){\n  console.error(event.detail.message, event.detail.stack);\n});\n","var RSVP = require('rsvp');\nvar core = require('./core');\nvar Rendition = require('./rendition');\nvar View = require('./view');\n\nfunction Continuous(book, options) {\n\n\tRendition.apply(this, arguments); // call super constructor.\n\n\tthis.settings = core.extend(this.settings || {}, {\n\t\tinfinite: true,\n\t\toverflow: \"auto\",\n\t\taxis: \"vertical\",\n\t\toffset: 500,\n\t\toffsetDelta: 250\n\t});\n\n\tcore.extend(this.settings, options);\n\n\tif(this.settings.hidden) {\n\t\tthis.wrapper = this.wrap(this.container);\n\t}\n\n\n};\n\n// subclass extends superclass\nContinuous.prototype = Object.create(Rendition.prototype);\nContinuous.prototype.constructor = Continuous;\n\nContinuous.prototype.attachListeners = function(){\n\n\t// Listen to window for resize event if width or height is set to a percent\n\tif(!core.isNumber(this.settings.width) ||\n\t\t !core.isNumber(this.settings.height) ) {\n\t\twindow.addEventListener(\"resize\", this.onResized.bind(this), false);\n\t}\n\n\n\tif(this.settings.infinite) {\n\t\tthis.start();\n\t}\n\n\n};\n\nContinuous.prototype.parseTarget = function(target){\n\tif(this.epubcfi.isCfiString(target)) {\n    cfi = this.epubcfi.parse(target);\n    spinePos = cfi.spinePos;\n    section = this.book.spine.get(spinePos);\n  } else {\n    section = this.book.spine.get(target);\n  }\n};\n\nContinuous.prototype.moveTo = function(offset){\n  // var bounds = this.bounds();\n  // var dist = Math.floor(offset.top / bounds.height) * bounds.height;\n  return this.check(\n\t\toffset.left+this.settings.offset,\n\t\toffset.top+this.settings.offset)\n\t\t.then(function(){\n\n\t    if(this.settings.axis === \"vertical\") {\n\t      this.scrollBy(0, offset.top);\n\t    } else {\n\t      this.scrollBy(offset.left, 0);\n\t    }\n\n\t  }.bind(this));\n};\n\nContinuous.prototype.afterDisplayed = function(currView){\n\tvar next = currView.section.next();\n\tvar prev = currView.section.prev();\n\tvar index = this.views.indexOf(currView);\n\tvar prevView, nextView;\n\n\tif(index + 1 === this.views.length && next) {\n\t\tnextView = this.createView(next);\n\t\tthis.q.enqueue(this.append, nextView);\n\t}\n\n\tif(index === 0 && prev) {\n\t\tprevView = this.createView(prev, this.viewSettings);\n\t\tthis.q.enqueue(this.prepend, prevView);\n\t}\n\n\t// this.removeShownListeners(currView);\n\t// currView.onShown = this.afterDisplayed.bind(this);\n\tthis.trigger(\"added\", currView.section);\n\n};\n\n\n// Remove Previous Listeners if present\nContinuous.prototype.removeShownListeners = function(view){\n\n\t// view.off(\"shown\", this.afterDisplayed);\n\t// view.off(\"shown\", this.afterDisplayedAbove);\n\tview.onDisplayed = function(){};\n\n};\n\nContinuous.prototype.append = function(view){\n\n\t// view.on(\"shown\", this.afterDisplayed.bind(this));\n\tview.onDisplayed = this.afterDisplayed.bind(this);\n\n\tthis.views.append(view);\n\n  //this.q.enqueue(this.check);\n  return this.check();\n};\n\nContinuous.prototype.prepend = function(view){\n\t// view.on(\"shown\", this.afterDisplayedAbove.bind(this));\n\tview.onDisplayed = this.afterDisplayed.bind(this);\n\n\tview.on(\"resized\", this.counter.bind(this));\n\n\tthis.views.prepend(view);\n\n  // this.q.enqueue(this.check);\n  return this.check();\n};\n\nContinuous.prototype.counter = function(bounds){\n\n\tif(this.settings.axis === \"vertical\") {\n\t\tthis.scrollBy(0, bounds.heightDelta, true);\n\t} else {\n\t\tthis.scrollBy(bounds.widthDelta, 0, true);\n\t}\n\n};\n\nContinuous.prototype.check = function(_offset){\n\tvar checking = new RSVP.defer();\n\tvar container = this.bounds();\n  var promises = [];\n  var offset = _offset || this.settings.offset;\n\n\tthis.views.each(function(view){\n\t\tvar visible = this.isVisible(view, offset, offset, container);\n\n\t\tif(visible) {\n\n\t\t\tif(!view.displayed && !view.rendering) {\n          // console.log(\"render\",view.section.index)\n\t\t\t\t\tpromises.push(this.render(view));\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tif(view.displayed) {\n        // console.log(\"destroy\", view.section.index)\n        this.q.enqueue(view.destroy.bind(view));\n        // view.destroy();\n        // this.q.enqueue(this.trim);\n        clearTimeout(this.trimTimeout);\n        this.trimTimeout = setTimeout(function(){\n          this.q.enqueue(this.trim);\n        }.bind(this), 250);\n\t\t\t}\n\n\t\t}\n\n\t}.bind(this));\n\n\n  if(promises.length){\n\n    return RSVP.all(promises)\n      .then(function(posts) {\n        // Check to see if anything new is on screen after rendering\n        this.q.enqueue(this.check);\n\n      }.bind(this));\n\n  } else {\n    checking.resolve();\n\n    return checking.promise;\n  }\n\n};\n\nContinuous.prototype.trim = function(){\n  var task = new RSVP.defer();\n  var displayed = this.views.displayed();\n  var first = displayed[0];\n  var last = displayed[displayed.length-1];\n  var firstIndex = this.views.indexOf(first);\n  var lastIndex = this.views.indexOf(last);\n  var above = this.views.slice(0, firstIndex);\n  var below = this.views.slice(lastIndex+1);\n\n  // Erase all but last above\n  for (var i = 0; i < above.length-1; i++) {\n    this.erase(above[i], above);\n  }\n\n  // Erase all except first below\n  for (var j = 1; j < below.length; j++) {\n    this.erase(below[j]);\n  }\n\n  task.resolve();\n  return task.promise;\n};\n\nContinuous.prototype.erase = function(view, above){ //Trim\n\n\tvar prevTop;\n\tvar prevLeft;\n\n\tif(this.settings.height) {\n  \tprevTop = this.container.scrollTop;\n\t\tprevLeft = this.container.scrollLeft;\n  } else {\n  \tprevTop = window.scrollY;\n\t\tprevLeft = window.scrollX;\n  }\n\n\tvar bounds = view.bounds();\n\n\tthis.views.remove(view);\n\n\tif(above) {\n\n\t\tif(this.settings.axis === \"vertical\") {\n\t\t\tthis.scrollTo(0, prevTop - bounds.height, true);\n\t\t} else {\n\t\t\tthis.scrollTo(prevLeft - bounds.width, 0, true);\n\t\t}\n\t}\n\n};\n\nContinuous.prototype.start = function() {\n  var scroller;\n\n  this.tick = core.requestAnimationFrame;\n\n  if(this.settings.height) {\n  \tthis.prevScrollTop = this.container.scrollTop;\n  \tthis.prevScrollLeft = this.container.scrollLeft;\n  } else {\n  \tthis.prevScrollTop = window.scrollY;\n\t\tthis.prevScrollLeft = window.scrollX;\n  }\n\n  this.scrollDeltaVert = 0;\n  this.scrollDeltaHorz = 0;\n\n  if(this.settings.height) {\n  \tscroller = this.container;\n  } else {\n  \tscroller = window;\n  }\n\n  window.addEventListener(\"scroll\", function(e){\n    if(!this.ignore) {\n      this.scrolled = true;\n    } else {\n      this.ignore = false;\n    }\n  }.bind(this));\n\n  window.addEventListener('unload', function(e){\n    this.ignore = true;\n    this.destroy();\n  }.bind(this));\n\n  this.tick.call(window, this.onScroll.bind(this));\n\n  this.scrolled = false;\n\n};\n\nContinuous.prototype.onScroll = function(){\n\n  if(this.scrolled) {\n\n    if(this.settings.height) {\n\t  \tscrollTop = this.container.scrollTop;\n\t  \tscrollLeft = this.container.scrollLeft;\n\t  } else {\n\t  \tscrollTop = window.scrollY;\n\t\t\tscrollLeft = window.scrollX;\n\t  }\n\n    if(!this.ignore) {\n\n\t    if((this.scrollDeltaVert === 0 &&\n\t    \t this.scrollDeltaHorz === 0) ||\n\t    \t this.scrollDeltaVert > this.settings.offsetDelta ||\n\t    \t this.scrollDeltaHorz > this.settings.offsetDelta) {\n\n\t\t\t\tthis.q.enqueue(this.check);\n\n\t\t\t\tthis.scrollDeltaVert = 0;\n\t    \tthis.scrollDeltaHorz = 0;\n\n\t\t\t\tthis.trigger(\"scroll\", {\n\t\t      top: scrollTop,\n\t\t      left: scrollLeft\n\t\t    });\n\n\t\t\t}\n\n\t\t} else {\n\t    this.ignore = false;\n\t\t}\n\n    this.scrollDeltaVert += Math.abs(scrollTop-this.prevScrollTop);\n    this.scrollDeltaHorz += Math.abs(scrollLeft-this.prevScrollLeft);\n\n\t\tthis.prevScrollTop = scrollTop;\n\t\tthis.prevScrollLeft = scrollLeft;\n\n  \tclearTimeout(this.scrollTimeout);\n\t\tthis.scrollTimeout = setTimeout(function(){\n\t\t\tthis.scrollDeltaVert = 0;\n\t    this.scrollDeltaHorz = 0;\n\t\t}.bind(this), 150);\n\n\n    this.scrolled = false;\n  }\n\n  this.tick.call(window, this.onScroll.bind(this));\n\n};\n\n\n Continuous.prototype.resizeView = function(view) {\n\n\tif(this.settings.axis === \"horizontal\") {\n\t\tview.lock(\"height\", this.stage.width, this.stage.height);\n\t} else {\n\t\tview.lock(\"width\", this.stage.width, this.stage.height);\n\t}\n\n};\n\nContinuous.prototype.currentLocation = function(){\n  var visible = this.visible();\n  var startPage, endPage;\n\n  var container = this.container.getBoundingClientRect();\n\n  if(visible.length === 1) {\n    return this.map.page(visible[0]);\n  }\n\n  if(visible.length > 1) {\n\n    startPage = this.map.page(visible[0]);\n    endPage = this.map.page(visible[visible.length-1]);\n\n    return {\n      start: startPage.start,\n      end: endPage.end\n    };\n  }\n\n};\n\n/*\nContinuous.prototype.current = function(what){\n  var view, top;\n  var container = this.container.getBoundingClientRect();\n  var length = this.views.length - 1;\n\n  if(this.settings.axis === \"horizontal\") {\n\n    for (var i = length; i >= 0; i--) {\n      view = this.views[i];\n      left = view.position().left;\n\n      if(left < container.right) {\n\n        if(this._current == view) {\n          break;\n        }\n\n        this._current = view;\n        break;\n      }\n    }\n\n  } else {\n\n    for (var i = length; i >= 0; i--) {\n      view = this.views[i];\n      top = view.bounds().top;\n      if(top < container.bottom) {\n\n        if(this._current == view) {\n          break;\n        }\n\n        this._current = view;\n\n        break;\n      }\n    }\n\n  }\n\n  return this._current;\n};\n*/\n\nmodule.exports = Continuous;\n","var RSVP = require('rsvp');\n\nvar requestAnimationFrame = (typeof window != 'undefined') ? (window.requestAnimationFrame || window.mozRequestAnimationFrame || window.webkitRequestAnimationFrame || window.msRequestAnimationFrame) : false;\n/*\n//-- Parse the different parts of a url, returning a object\nfunction uri(url){\n  var uri = {\n        protocol : '',\n        host : '',\n        path : '',\n        origin : '',\n        directory : '',\n        base : '',\n        filename : '',\n        extension : '',\n        fragment : '',\n        href : url\n      },\n      doubleSlash = url.indexOf('://'),\n      search = url.indexOf('?'),\n      fragment = url.indexOf(\"#\"),\n      withoutProtocol,\n      dot,\n      firstSlash;\n\n  if(fragment != -1) {\n    uri.fragment = url.slice(fragment + 1);\n    url = url.slice(0, fragment);\n  }\n\n  if(search != -1) {\n    uri.search = url.slice(search + 1);\n    url = url.slice(0, search);\n    href = url;\n  }\n\n  if(doubleSlash != -1) {\n    uri.protocol = url.slice(0, doubleSlash);\n    withoutProtocol = url.slice(doubleSlash+3);\n    firstSlash = withoutProtocol.indexOf('/');\n\n    if(firstSlash === -1) {\n      uri.host = uri.path;\n      uri.path = \"\";\n    } else {\n      uri.host = withoutProtocol.slice(0, firstSlash);\n      uri.path = withoutProtocol.slice(firstSlash);\n    }\n\n\n    uri.origin = uri.protocol + \"://\" + uri.host;\n\n    uri.directory = folder(uri.path);\n\n    uri.base = uri.origin + uri.directory;\n    // return origin;\n  } else {\n    uri.path = url;\n    uri.directory = folder(url);\n    uri.base = uri.directory;\n  }\n\n  //-- Filename\n  uri.filename = url.replace(uri.base, '');\n  dot = uri.filename.lastIndexOf('.');\n  if(dot != -1) {\n    uri.extension = uri.filename.slice(dot+1);\n  }\n  return uri;\n};\n\n//-- Parse out the folder, will return everything before the last slash\nfunction folder(url){\n\n  var lastSlash = url.lastIndexOf('/');\n\n  if(lastSlash == -1) var folder = '';\n\n  folder = url.slice(0, lastSlash + 1);\n\n  return folder;\n\n};\n*/\nfunction isElement(obj) {\n    return !!(obj && obj.nodeType == 1);\n};\n\n// http://stackoverflow.com/questions/105034/how-to-create-a-guid-uuid-in-javascript\nfunction uuid() {\n  var d = new Date().getTime();\n  var uuid = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {\n      var r = (d + Math.random()*16)%16 | 0;\n      d = Math.floor(d/16);\n      return (c=='x' ? r : (r&0x7|0x8)).toString(16);\n  });\n  return uuid;\n};\n\n// From Lodash\nfunction values(object) {\n  var index = -1,\n      props = Object.keys(object),\n      length = props.length,\n      result = Array(length);\n\n  while (++index < length) {\n    result[index] = object[props[index]];\n  }\n  return result;\n};\n\nfunction resolveUrl(base, path) {\n  var url = [],\n    segments = [],\n    baseUri = uri(base),\n    pathUri = uri(path),\n    baseDirectory = baseUri.directory,\n    pathDirectory = pathUri.directory,\n    directories = [],\n    // folders = base.split(\"/\"),\n    paths;\n\n  // if(uri.host) {\n  //   return path;\n  // }\n\n  if(baseDirectory[0] === \"/\") {\n    baseDirectory = baseDirectory.substring(1);\n  }\n\n  if(pathDirectory[pathDirectory.length-1] === \"/\") {\n    baseDirectory = baseDirectory.substring(0, baseDirectory.length-1);\n  }\n\n  if(pathDirectory[0] === \"/\") {\n    pathDirectory = pathDirectory.substring(1);\n  }\n\n  if(pathDirectory[pathDirectory.length-1] === \"/\") {\n    pathDirectory = pathDirectory.substring(0, pathDirectory.length-1);\n  }\n\n  if(baseDirectory) {\n    directories = baseDirectory.split(\"/\");\n  }\n\n  paths = pathDirectory.split(\"/\");\n\n  paths.reverse().forEach(function(part, index){\n    if(part === \"..\"){\n      directories.pop();\n    } else if(part === directories[directories.length-1]) {\n      directories.pop();\n      segments.unshift(part);\n    } else {\n      segments.unshift(part);\n    }\n  });\n\n  url = [baseUri.origin];\n\n  if(directories.length) {\n    url = url.concat(directories);\n  }\n\n  if(segments) {\n    url = url.concat(segments);\n  }\n\n  url = url.concat(pathUri.filename);\n\n  return url.join(\"/\");\n};\n\nfunction documentHeight() {\n  return Math.max(\n      document.documentElement.clientHeight,\n      document.body.scrollHeight,\n      document.documentElement.scrollHeight,\n      document.body.offsetHeight,\n      document.documentElement.offsetHeight\n  );\n};\n\nfunction isNumber(n) {\n  return !isNaN(parseFloat(n)) && isFinite(n);\n};\n\nfunction prefixed(unprefixed) {\n  var vendors = [\"Webkit\", \"Moz\", \"O\", \"ms\" ],\n    prefixes = ['-Webkit-', '-moz-', '-o-', '-ms-'],\n    upper = unprefixed[0].toUpperCase() + unprefixed.slice(1),\n    length = vendors.length;\n\n  if (typeof(document.body.style[unprefixed]) != 'undefined') {\n    return unprefixed;\n  }\n\n  for ( var i=0; i < length; i++ ) {\n    if (typeof(document.body.style[vendors[i] + upper]) != 'undefined') {\n      return vendors[i] + upper;\n    }\n  }\n\n  return unprefixed;\n};\n\nfunction defaults(obj) {\n  for (var i = 1, length = arguments.length; i < length; i++) {\n    var source = arguments[i];\n    for (var prop in source) {\n      if (obj[prop] === void 0) obj[prop] = source[prop];\n    }\n  }\n  return obj;\n};\n\nfunction extend(target) {\n    var sources = [].slice.call(arguments, 1);\n    sources.forEach(function (source) {\n      if(!source) return;\n      Object.getOwnPropertyNames(source).forEach(function(propName) {\n        Object.defineProperty(target, propName, Object.getOwnPropertyDescriptor(source, propName));\n      });\n    });\n    return target;\n};\n\n// Fast quicksort insert for sorted array -- based on:\n// http://stackoverflow.com/questions/1344500/efficient-way-to-insert-a-number-into-a-sorted-array-of-numbers\nfunction insert(item, array, compareFunction) {\n  var location = locationOf(item, array, compareFunction);\n  array.splice(location, 0, item);\n\n  return location;\n};\n// Returns where something would fit in\nfunction locationOf(item, array, compareFunction, _start, _end) {\n  var start = _start || 0;\n  var end = _end || array.length;\n  var pivot = parseInt(start + (end - start) / 2);\n  var compared;\n  if(!compareFunction){\n    compareFunction = function(a, b) {\n      if(a > b) return 1;\n      if(a < b) return -1;\n      if(a = b) return 0;\n    };\n  }\n  if(end-start <= 0) {\n    return pivot;\n  }\n\n  compared = compareFunction(array[pivot], item);\n  if(end-start === 1) {\n    return compared > 0 ? pivot : pivot + 1;\n  }\n\n  if(compared === 0) {\n    return pivot;\n  }\n  if(compared === -1) {\n    return locationOf(item, array, compareFunction, pivot, end);\n  } else{\n    return locationOf(item, array, compareFunction, start, pivot);\n  }\n};\n// Returns -1 of mpt found\nfunction indexOfSorted(item, array, compareFunction, _start, _end) {\n  var start = _start || 0;\n  var end = _end || array.length;\n  var pivot = parseInt(start + (end - start) / 2);\n  var compared;\n  if(!compareFunction){\n    compareFunction = function(a, b) {\n      if(a > b) return 1;\n      if(a < b) return -1;\n      if(a = b) return 0;\n    };\n  }\n  if(end-start <= 0) {\n    return -1; // Not found\n  }\n\n  compared = compareFunction(array[pivot], item);\n  if(end-start === 1) {\n    return compared === 0 ? pivot : -1;\n  }\n  if(compared === 0) {\n    return pivot; // Found\n  }\n  if(compared === -1) {\n    return indexOfSorted(item, array, compareFunction, pivot, end);\n  } else{\n    return indexOfSorted(item, array, compareFunction, start, pivot);\n  }\n};\n\nfunction bounds(el) {\n\n  var style = window.getComputedStyle(el);\n  var widthProps = [\"width\", \"paddingRight\", \"paddingLeft\", \"marginRight\", \"marginLeft\", \"borderRightWidth\", \"borderLeftWidth\"];\n  var heightProps = [\"height\", \"paddingTop\", \"paddingBottom\", \"marginTop\", \"marginBottom\", \"borderTopWidth\", \"borderBottomWidth\"];\n\n  var width = 0;\n  var height = 0;\n\n  widthProps.forEach(function(prop){\n    width += parseFloat(style[prop]) || 0;\n  });\n\n  heightProps.forEach(function(prop){\n    height += parseFloat(style[prop]) || 0;\n  });\n\n  return {\n    height: height,\n    width: width\n  };\n\n};\n\nfunction borders(el) {\n\n  var style = window.getComputedStyle(el);\n  var widthProps = [\"paddingRight\", \"paddingLeft\", \"marginRight\", \"marginLeft\", \"borderRightWidth\", \"borderLeftWidth\"];\n  var heightProps = [\"paddingTop\", \"paddingBottom\", \"marginTop\", \"marginBottom\", \"borderTopWidth\", \"borderBottomWidth\"];\n\n  var width = 0;\n  var height = 0;\n\n  widthProps.forEach(function(prop){\n    width += parseFloat(style[prop]) || 0;\n  });\n\n  heightProps.forEach(function(prop){\n    height += parseFloat(style[prop]) || 0;\n  });\n\n  return {\n    height: height,\n    width: width\n  };\n\n};\n\nfunction windowBounds() {\n\n  var width = window.innerWidth;\n  var height = window.innerHeight;\n\n  return {\n    top: 0,\n    left: 0,\n    right: width,\n    bottom: height,\n    width: width,\n    height: height\n  };\n\n};\n\n//https://stackoverflow.com/questions/13482352/xquery-looking-for-text-with-single-quote/13483496#13483496\nfunction cleanStringForXpath(str)  {\n    var parts = str.match(/[^'\"]+|['\"]/g);\n    parts = parts.map(function(part){\n        if (part === \"'\")  {\n            return '\\\"\\'\\\"'; // output \"'\"\n        }\n\n        if (part === '\"') {\n            return \"\\'\\\"\\'\"; // output '\"'\n        }\n        return \"\\'\" + part + \"\\'\";\n    });\n    return \"concat(\\'\\',\" + parts.join(\",\") + \")\";\n};\n\nfunction indexOfTextNode(textNode){\n  var parent = textNode.parentNode;\n  var children = parent.childNodes;\n  var sib;\n  var index = -1;\n  for (var i = 0; i < children.length; i++) {\n    sib = children[i];\n    if(sib.nodeType === Node.TEXT_NODE){\n      index++;\n    }\n    if(sib == textNode) break;\n  }\n\n  return index;\n};\n\nfunction isXml(ext) {\n  return ['xml', 'opf', 'ncx'].indexOf(ext) > -1;\n}\n\nfunction createBlobUrl(content, mime){\n\tvar _URL = window.URL || window.webkitURL || window.mozURL;\n\tvar tempUrl;\n\tvar blob = new Blob([content], {type : mime });\n\n  tempUrl = _URL.createObjectURL(blob);\n\n  return tempUrl;\n};\n\nmodule.exports = {\n  // 'uri': uri,\n  // 'folder': folder,\n  'isElement': isElement,\n  'uuid': uuid,\n  'values': values,\n  'resolveUrl': resolveUrl,\n  'indexOfSorted': indexOfSorted,\n  'documentHeight': documentHeight,\n  'isNumber': isNumber,\n  'prefixed': prefixed,\n  'defaults': defaults,\n  'extend': extend,\n  'insert': insert,\n  'locationOf': locationOf,\n  'indexOfSorted': indexOfSorted,\n  'requestAnimationFrame': requestAnimationFrame,\n  'bounds': bounds,\n  'borders': borders,\n  'windowBounds': windowBounds,\n  'cleanStringForXpath': cleanStringForXpath,\n  'indexOfTextNode': indexOfTextNode,\n  'isXml': isXml,\n  'createBlobUrl': createBlobUrl\n};\n","var URI = require('urijs');\nvar core = require('./core');\n\n/**\n  EPUB CFI spec: http://www.idpf.org/epub/linking/cfi/epub-cfi.html\n\n  Implements:\n  - Character Offset: epubcfi(/6/4[chap01ref]!/4[body01]/10[para05]/2/1:3)\n  - Simple Ranges : epubcfi(/6/4[chap01ref]!/4[body01]/10[para05],/2/1:1,/3:4)\n\n  Does Not Implement:\n  - Temporal Offset (~)\n  - Spatial Offset (@)\n  - Temporal-Spatial Offset (~ + @)\n  - Text Location Assertion ([)\n*/\n\nfunction EpubCFI(cfiFrom, base, options){\n  var type;\n  this.options = {\n    ignoreClass: 'annotator-hl'\n  };\n\n  this.str = '';\n\n  this.base = {};\n  this.spinePos = 0; // For compatibility\n\n  this.range = false; // true || false;\n\n  this.path = {};\n  this.start = null;\n  this.end = null;\n\n  // Allow instantiation without the 'new' keyword\n  if (!(this instanceof EpubCFI)) {\n    return new EpubCFI(cfiFrom, base, options);\n  }\n\n  // Find options\n  for (var i = 1, length = arguments.length; i < length; i++) {\n    if(typeof arguments[i] === 'object' && (arguments[i].ignoreClass)) {\n      core.extend(this.options, arguments[i]);\n    }\n  }\n\n\n  /* TODO: maybe accept object that includes:\n    {\n      spineNodeIndex: <int>\n      index: <int>\n      idref: <string:optional>\n    }\n  }\n  */\n  if(typeof base === 'string') {\n    this.base = this.parseComponent(base);\n  } else if(typeof base === 'object' && base.steps) {\n    this.base = base;\n  }\n\n  type = this.checkType(cfiFrom);\n\n\n  if(type === 'string') {\n    this.str = cfiFrom;\n    return core.extend(this, this.parse(cfiFrom));\n  } else if (type === 'range') {\n    this.fromRange(cfiFrom);\n  } else if (type === 'node') {\n    this.fromNode(cfiFrom);\n  } else if (type === 'EpubCFI') {\n    return cfiFrom;\n  } else if (!cfiFrom) {\n    return this;\n  } else {\n    throw new TypeError('not a valid argument for EpubCFI');\n  }\n\n};\n\nEpubCFI.prototype.checkType = function(cfi) {\n  // is a cfi string, should be wrapped with \"epubcfi()\"\n  if (typeof cfi === 'string' &&\n      cfi.indexOf(\"epubcfi(\") === 0 &&\n      cfi[cfi.length-1] === \")\") {\n    return 'string';\n  // Is a range object\n} else if (typeof cfi === 'object' && cfi instanceof window.Range){\n    return 'range';\n  } else if (typeof cfi === 'object' && cfi instanceof window.Node ){ // || typeof cfi === 'function'\n    return 'node';\n  } else if (typeof cfi === 'object' && cfi instanceof EpubCFI){\n    return 'EpubCFI';\n  } else {\n    return false;\n  }\n};\n\nEpubCFI.prototype.parse = function(cfiStr) {\n  var cfi = {\n      spinePos: -1,\n      range: false,\n      base: {},\n      path: {},\n      start: null,\n      end: null\n    };\n  var baseComponent, pathComponent, range;\n\n  if(typeof cfiStr !== \"string\") {\n    return {spinePos: -1};\n  }\n\n  if(cfiStr.indexOf(\"epubcfi(\") === 0 && cfiStr[cfiStr.length-1] === \")\") {\n    // Remove intial epubcfi( and ending )\n    cfiStr = cfiStr.slice(8, cfiStr.length-1);\n  }\n\n  baseComponent = this.getChapterComponent(cfiStr);\n\n  // Make sure this is a valid cfi or return\n  if(!baseComponent) {\n    return {spinePos: -1};\n  }\n\n  cfi.base = this.parseComponent(baseComponent);\n\n  pathComponent = this.getPathComponent(cfiStr);\n  cfi.path = this.parseComponent(pathComponent);\n\n  range = this.getRange(cfiStr);\n\n  if(range) {\n    cfi.range = true;\n    cfi.start = this.parseComponent(range[0]);\n    cfi.end = this.parseComponent(range[1]);\n  }\n\n  // Get spine node position\n  // cfi.spineSegment = cfi.base.steps[1];\n\n  // Chapter segment is always the second step\n  cfi.spinePos = cfi.base.steps[1].index;\n\n  return cfi;\n};\n\nEpubCFI.prototype.parseComponent = function(componentStr){\n  var component = {\n    steps: [],\n    terminal: null\n  };\n  var parts = componentStr.split(':');\n  var steps = parts[0].split('/');\n  var terminal;\n\n  if(parts.length > 1) {\n    terminal = parts[1];\n    component.terminal = this.parseTerminal(terminal);\n  }\n\n  if (steps[0] === '') {\n    steps.shift(); // Ignore the first slash\n  }\n\n  component.steps = steps.map(function(step){\n    return this.parseStep(step);\n  }.bind(this));\n\n  return component;\n};\n\nEpubCFI.prototype.parseStep = function(stepStr){\n  var type, num, index, has_brackets, id;\n\n  has_brackets = stepStr.match(/\\[(.*)\\]/);\n  if(has_brackets && has_brackets[1]){\n    id = has_brackets[1];\n  }\n\n  //-- Check if step is a text node or element\n  num = parseInt(stepStr);\n\n  if(isNaN(num)) {\n    return;\n  }\n\n  if(num % 2 === 0) { // Even = is an element\n    type = \"element\";\n    index = num / 2 - 1;\n  } else {\n    type = \"text\";\n    index = (num - 1 ) / 2;\n  }\n\n  return {\n    \"type\" : type,\n    'index' : index,\n    'id' : id || null\n  };\n};\n\nEpubCFI.prototype.parseTerminal = function(termialStr){\n  var characterOffset, textLocationAssertion;\n  var assertion = termialStr.match(/\\[(.*)\\]/);\n\n  if(assertion && assertion[1]){\n    characterOffset = parseInt(termialStr.split('[')[0]);\n    textLocationAssertion = assertion[1];\n  } else {\n    characterOffset = parseInt(termialStr);\n  }\n\n  return {\n    'offset': characterOffset,\n    'assertion': textLocationAssertion\n  };\n\n};\n\nEpubCFI.prototype.getChapterComponent = function(cfiStr) {\n\n  var indirection = cfiStr.split(\"!\");\n\n  return indirection[0];\n};\n\nEpubCFI.prototype.getPathComponent = function(cfiStr) {\n\n  var indirection = cfiStr.split(\"!\");\n\n  if(indirection[1]) {\n    ranges = indirection[1].split(',');\n    return ranges[0];\n  }\n\n};\n\nEpubCFI.prototype.getRange = function(cfiStr) {\n\n  var ranges = cfiStr.split(\",\");\n\n  if(ranges.length === 3){\n    return [\n      ranges[1],\n      ranges[2]\n    ];\n  }\n\n  return false;\n};\n\nEpubCFI.prototype.getCharecterOffsetComponent = function(cfiStr) {\n  var splitStr = cfiStr.split(\":\");\n  return splitStr[1] || '';\n};\n\nEpubCFI.prototype.joinSteps = function(steps) {\n  return steps.map(function(part){\n    var segment = '';\n\n    if(part.type === 'element') {\n      segment += (part.index + 1) * 2;\n    }\n\n    if(part.type === 'text') {\n      segment += 1 + (2 * part.index); // TODO: double check that this is odd\n    }\n\n    if(part.id) {\n      segment += \"[\" + part.id + \"]\";\n    }\n\n    return segment;\n\n  }).join('/');\n\n};\n\nEpubCFI.prototype.segmentString = function(segment) {\n  var segmentString = '/';\n\n  segmentString += this.joinSteps(segment.steps);\n\n  if(segment.terminal && segment.terminal.offset){\n    segmentString += ':' + segment.terminal.offset;\n  }\n\n  if(segment.terminal && segment.terminal.assertion){\n    segmentString += '[' + segment.terminal.assertion + ']';\n  }\n\n  return segmentString;\n};\n\nEpubCFI.prototype.toString = function() {\n  var cfiString = 'epubcfi(';\n\n  cfiString += this.segmentString(this.base);\n\n  cfiString += '!';\n  cfiString += this.segmentString(this.path);\n\n  // Add Range, if present\n  if(this.start) {\n    cfiString += ',';\n    cfiString += this.segmentString(this.start);\n  }\n\n  if(this.end) {\n    cfiString += ',';\n    cfiString += this.segmentString(this.end);\n  }\n\n  cfiString += \")\";\n\n  return cfiString;\n};\n\nEpubCFI.prototype.compare = function(cfiOne, cfiTwo) {\n  if(typeof cfiOne === 'string') {\n    cfiOne = new EpubCFI(cfiOne);\n  }\n  if(typeof cfiTwo === 'string') {\n    cfiTwo = new EpubCFI(cfiTwo);\n  }\n  // Compare Spine Positions\n  if(cfiOne.spinePos > cfiTwo.spinePos) {\n    return 1;\n  }\n  if(cfiOne.spinePos < cfiTwo.spinePos) {\n    return -1;\n  }\n\n\n  // Compare Each Step in the First item\n  for (var i = 0; i < cfiOne.path.steps.length; i++) {\n    if(!cfiTwo.path.steps[i]) {\n      return 1;\n    }\n    if(cfiOne.path.steps[i].index > cfiTwo.path.steps[i].index) {\n      return 1;\n    }\n    if(cfiOne.path.steps[i].index < cfiTwo.path.steps[i].index) {\n      return -1;\n    }\n    // Otherwise continue checking\n  }\n\n  // All steps in First present in Second\n  if(cfiOne.path.steps.length < cfiTwo.path.steps.length) {\n    return -1;\n  }\n\n  // Compare the charecter offset of the text node\n  if(cfiOne.path.terminal.offset > cfiTwo.path.terminal.offset) {\n    return 1;\n  }\n  if(cfiOne.path.terminal.offset < cfiTwo.path.terminal.offset) {\n    return -1;\n  }\n\n  // TODO: compare ranges\n\n  // CFI's are equal\n  return 0;\n};\n\nmodule.exports = EpubCFI;\n","var RSVP = require('rsvp');\n\n//-- Hooks allow for injecting functions that must all complete in order before finishing\n//   They will execute in parallel but all must finish before continuing\n//   Functions may return a promise if they are asycn.\n\n// this.content = new EPUBJS.Hook();\n// this.content.register(function(){});\n// this.content.trigger(args).then(function(){});\n\nfunction Hook(context){\n  this.context = context || this;\n  this.hooks = [];\n};\n\n// Adds a function to be run before a hook completes\nHook.prototype.register = function(){\n  for(var i = 0; i < arguments.length; ++i) {\n    if (typeof arguments[i]  === \"function\") {\n      this.hooks.push(arguments[i]);\n    } else {\n      // unpack array\n      for(var j = 0; j < arguments[i].length; ++j) {\n        this.hooks.push(arguments[i][j]);\n      }\n    }\n  }\n};\n\n// Triggers a hook to run all functions\nHook.prototype.trigger = function(){\n  var args = arguments;\n  var context = this.context;\n  var promises = [];\n\n  this.hooks.forEach(function(task, i) {\n    var executing = task.apply(context, args);\n\n    if(executing && typeof executing[\"then\"] === \"function\") {\n      // Task is a function that returns a promise\n      promises.push(executing);\n    }\n    // Otherwise Task resolves immediately, continue\n  });\n\n\n  return RSVP.all(promises);\n};\n\n// Adds a function to be run before a hook completes\nHook.prototype.list = function(){\n  return this.hooks;\n};\n\nmodule.exports = Hook;\n","var core = require('./core');\n\nfunction Reflowable(){\n\n};\n\nReflowable.prototype.calculate = function(_width, _height, _gap, _devisor){\n\n  var divisor = _devisor || 1;\n\n  //-- Check the width and create even width columns\n  var fullWidth = Math.floor(_width);\n  var width = (fullWidth % 2 === 0) ? fullWidth : fullWidth - 1;\n\n  var section = Math.floor(width / 8);\n  var gap = (_gap >= 0) ? _gap : ((section % 2 === 0) ? section : section - 1);\n\n  var colWidth;\n  var spreadWidth;\n  var delta;\n\n  //-- Double Page\n  if(divisor > 1) {\n    colWidth = Math.floor((width - gap) / divisor);\n  } else {\n    colWidth = width;\n  }\n\n  spreadWidth = colWidth * divisor;\n\n  delta = (colWidth + gap) * divisor;\n\n\n\n  this.columnAxis = core.prefixed('columnAxis');\n  this.columnGap = core.prefixed('columnGap');\n  this.columnWidth = core.prefixed('columnWidth');\n  this.columnFill = core.prefixed('columnFill');\n\n  this.width = width;\n  this.height = _height;\n  this.spread = spreadWidth;\n  this.delta = delta;\n\n  this.column = colWidth;\n  this.gap = gap;\n  this.divisor = divisor;\n\n};\n\nReflowable.prototype.format = function(view){\n\n  var $doc = view.document.documentElement;\n  var $body = view.document.body;//view.document.querySelector(\"body\");\n\n  $doc.style.overflow = \"hidden\";\n\n  // Must be set to the new calculated width or the columns will be off\n  // $body.style.width = this.width + \"px\";\n  $doc.style.width = this.width + \"px\";\n\n  //-- Adjust height\n  $body.style.height = this.height + \"px\";\n\n  //-- Add columns\n  $body.style[this.columnAxis] = \"horizontal\";\n  $body.style[this.columnFill] = \"auto\";\n  $body.style[this.columnGap] = this.gap+\"px\";\n  $body.style[this.columnWidth] = this.column+\"px\";\n\n  // Add extra padding for the gap between this and the next view\n  view.iframe.style.marginRight = this.gap+\"px\";\n};\n\nReflowable.prototype.count = function(view) {\n  var totalWidth = view.root().scrollWidth;\n  var spreads = Math.ceil(totalWidth / this.spread);\n\n  return {\n    spreads : spreads,\n    pages : spreads * this.divisor\n  };\n};\n\nfunction Fixed(_width, _height){\n\n};\n\nFixed.prototype.calculate = function(_width, _height){\n\n};\n\nFixed.prototype.format = function(view){\n  var width, height;\n\n  var $doc = view.document.documentElement;\n  var $viewport = documentElement.querySelector(\"[name=viewport\");\n\n  /**\n  * check for the viewport size\n  * <meta name=\"viewport\" content=\"width=1024,height=697\" />\n  */\n  if($viewport && $viewport.hasAttribute(\"content\")) {\n    content = $viewport.getAttribute(\"content\");\n    contents = content.split(',');\n    if(contents[0]){\n      width = contents[0].replace(\"width=\", '');\n    }\n    if(contents[1]){\n      height = contents[1].replace(\"height=\", '');\n    }\n  }\n\n  //-- Adjust width and height\n  // $doc.style.width =  width + \"px\" || \"auto\";\n  // $doc.style.height =  height + \"px\" || \"auto\";\n  view.resize(width, height);\n\n  //-- Scroll\n  $doc.style.overflow = \"auto\";\n\n};\n\nFixed.prototype.count = function(){\n  return {\n    spreads : 1,\n    pages : 1\n  };\n};\n\nfunction Scroll(){\n\n};\n\nScroll.prototype.calculate = function(_width, _height){\n  this.spread = _width;\n  this.column = _width;\n  this.gap = 0;\n};\n\nScroll.prototype.format = function(view){\n\n  var $doc = view.document.documentElement;\n\n  $doc.style.width = \"auto\";\n  $doc.style.height = \"auto\";\n\n};\n\nScroll.prototype.count = function(){\n  return {\n    spreads : 1,\n    pages : 1\n  };\n};\n\nmodule.exports = {\n  'Reflowable': Reflowable,\n  'Fixed': Fixed,\n  'Scroll': Scroll\n};\n","var core = require('./core');\nvar Queue = require('./queue');\nvar EpubCFI = require('./epubcfi');\nvar RSVP = require('rsvp');\n\nfunction Locations(spine, request) {\n  this.spine = spine;\n  this.request = request;\n\n  this.q = new Queue(this);\n  this.epubcfi = new EpubCFI();\n\n  this._locations = [];\n  this.total = 0;\n\n  this.break = 150;\n\n  this._current = 0;\n\n};\n\n// Load all of sections in the book\nLocations.prototype.generate = function(chars) {\n\n  if (chars) {\n    this.break = chars;\n  }\n\n  this.q.pause();\n\n  this.spine.each(function(section) {\n\n    this.q.enqueue(this.process, section);\n\n  }.bind(this));\n\n  return this.q.run().then(function() {\n    this.total = this._locations.length-1;\n\n    if (this._currentCfi) {\n      this.currentLocation = this._currentCfi;\n    }\n\n    return this._locations;\n    // console.log(this.precentage(this.book.rendition.location.start), this.precentage(this.book.rendition.location.end));\n  }.bind(this));\n\n};\n\nLocations.prototype.process = function(section) {\n\n  return section.load(this.request)\n    .then(function(contents) {\n\n      var range;\n      var doc = contents.ownerDocument;\n      var counter = 0;\n\n      this.sprint(contents, function(node) {\n        var len = node.length;\n        var dist;\n        var pos = 0;\n\n        // Start range\n        if (counter == 0) {\n          range = doc.createRange();\n          range.setStart(node, 0);\n        }\n\n        dist = this.break - counter;\n\n        // Node is smaller than a break\n        if(dist > len){\n          counter += len;\n          pos = len;\n        }\n\n        while (pos < len) {\n          counter = this.break;\n          pos += this.break;\n\n          // Gone over\n          if(pos >= len){\n            // Continue counter for next node\n            counter = len - (pos - this.break);\n\n          // At End\n          } else {\n            // End the previous range\n            range.setEnd(node, pos);\n            cfi = section.cfiFromRange(range);\n            this._locations.push(cfi);\n            counter = 0;\n\n            // Start new range\n            pos += 1;\n            range = doc.createRange();\n            range.setStart(node, pos);\n          }\n        }\n\n\n\n      }.bind(this));\n\n      // Close remaining\n      if (range) {\n        range.setEnd(prev, prev.length);\n        cfi = section.cfiFromRange(range);\n        this._locations.push(cfi)\n        counter = 0;\n      }\n\n    }.bind(this));\n\n};\n\nLocations.prototype.sprint = function(root, func) {\n\tvar treeWalker = document.createTreeWalker(root, NodeFilter.SHOW_TEXT, null, false);\n\n\twhile ((node = treeWalker.nextNode())) {\n\t\tfunc(node);\n\t}\n\n};\n\nLocations.prototype.locationFromCfi = function(cfi){\n  // Check if the location has not been set yet\n\tif(this._locations.length === 0) {\n\t\treturn -1;\n\t}\n\n  return core.locationOf(cfi, this._locations, this.epubcfi.compare);\n};\n\nLocations.prototype.precentageFromCfi = function(cfi) {\n  // Find closest cfi\n  var loc = this.locationFromCfi(cfi);\n  // Get percentage in total\n  return this.precentageFromLocation(loc);\n};\n\nLocations.prototype.percentageFromLocation = function(loc) {\n  if (!loc || !this.total) {\n    return 0;\n  }\n  return (loc / this.total);\n};\n\nLocations.prototype.cfiFromLocation = function(loc){\n\tvar cfi = -1;\n\t// check that pg is an int\n\tif(typeof loc != \"number\"){\n\t\tloc = parseInt(pg);\n\t}\n\n\tif(loc >= 0 && loc < this._locations.length) {\n\t\tcfi = this._locations[loc];\n\t}\n\n\treturn cfi;\n};\n\nLocations.prototype.cfiFromPercentage = function(value){\n  var percentage = (value > 1) ? value / 100 : value; // Normalize value to 0-1\n\tvar loc = Math.ceil(this.total * percentage);\n\n\treturn this.cfiFromLocation(loc);\n};\n\nLocations.prototype.load = function(locations){\n\tthis._locations = JSON.parse(locations);\n  this.total = this._locations.length-1;\n  return this._locations;\n};\n\nLocations.prototype.save = function(json){\n\treturn JSON.stringify(this._locations);\n};\n\nLocations.prototype.getCurrent = function(json){\n\treturn this._current;\n};\n\nLocations.prototype.setCurrent = function(curr){\n  var loc;\n\n  if(typeof curr == \"string\"){\n    this._currentCfi = curr;\n  } else if (typeof curr == \"number\") {\n    this._current = curr;\n  } else {\n    return;\n  }\n\n  if(this._locations.length === 0) {\n    return;\n\t}\n\n  if(typeof curr == \"string\"){\n    loc = this.locationFromCfi(curr);\n    this._current = loc;\n  } else {\n    loc = curr;\n  }\n\n  this.trigger(\"changed\", {\n    percentage: this.precentageFromLocation(loc)\n  });\n};\n\nObject.defineProperty(Locations.prototype, 'currentLocation', {\n  get: function () {\n    return this._current;\n  },\n  set: function (curr) {\n    this.setCurrent(curr);\n  }\n});\n\nRSVP.EventTarget.mixin(Locations.prototype);\n\nmodule.exports = Locations;\n","function Map(layout){\n  this.layout = layout;\n};\n\nMap.prototype.section = function(view) {\n  var ranges = this.findRanges(view);\n  var map = this.rangeListToCfiList(view, ranges);\n\n  return map;\n};\n\nMap.prototype.page = function(view, start, end) {\n  var root = view.document.body;\n  return this.rangePairToCfiPair(view.section, {\n    start: this.findStart(root, start, end),\n    end: this.findEnd(root, start, end)\n  });\n};\n\nMap.prototype.walk = function(root, func) {\n  //var treeWalker = document.createTreeWalker(root, NodeFilter.SHOW_ELEMENT + NodeFilter.SHOW_TEXT, null, false);\n  var treeWalker = document.createTreeWalker(root, NodeFilter.SHOW_TEXT, {\n      acceptNode: function (node) {\n          if ( node.data.trim().length > 0 ) {\n            return NodeFilter.FILTER_ACCEPT;\n          } else {\n            return NodeFilter.FILTER_REJECT;\n          }\n      }\n  }, false);\n  var node;\n  var result;\n  while ((node = treeWalker.nextNode())) {\n    result = func(node);\n    if(result) break;\n  }\n\n  return result;\n};\n\nMap.prototype.findRanges = function(view){\n  var columns = [];\n  var count = this.layout.count(view);\n  var column = this.layout.column;\n  var gap = this.layout.gap;\n  var start, end;\n\n  for (var i = 0; i < count.pages; i++) {\n    start = (column + gap) * i;\n    end = (column * (i+1)) + (gap * i);\n    columns.push({\n      start: this.findStart(view.document.body, start, end),\n      end: this.findEnd(view.document.body, start, end)\n    });\n  }\n\n  return columns;\n};\n\nMap.prototype.findStart = function(root, start, end){\n  var stack = [root];\n  var $el;\n  var found;\n  var $prev = root;\n  while (stack.length) {\n\n    $el = stack.shift();\n\n    found = this.walk($el, function(node){\n      var left, right;\n      var elPos;\n      var elRange;\n\n\n      if(node.nodeType == Node.TEXT_NODE){\n        elRange = document.createRange();\n        elRange.selectNodeContents(node);\n        elPos = elRange.getBoundingClientRect();\n      } else {\n        elPos = node.getBoundingClientRect();\n      }\n\n      left = elPos.left;\n      right = elPos.right;\n\n      if( left >= start && left <= end ) {\n        return node;\n      } else if (right > start) {\n        return node;\n      } else {\n        $prev = node;\n        stack.push(node);\n      }\n\n    });\n\n    if(found) {\n      return this.findTextStartRange(found, start, end);\n    }\n\n  }\n\n  // Return last element\n  return this.findTextStartRange($prev, start, end);\n};\n\nMap.prototype.findEnd = function(root, start, end){\n  var stack = [root];\n  var $el;\n  var $prev = root;\n  var found;\n\n  while (stack.length) {\n\n    $el = stack.shift();\n\n    found = this.walk($el, function(node){\n\n      var left, right;\n      var elPos;\n      var elRange;\n\n\n      if(node.nodeType == Node.TEXT_NODE){\n        elRange = document.createRange();\n        elRange.selectNodeContents(node);\n        elPos = elRange.getBoundingClientRect();\n      } else {\n        elPos = node.getBoundingClientRect();\n      }\n\n      left = elPos.left;\n      right = elPos.right;\n\n      if(left > end && $prev) {\n        return $prev;\n      } else if(right > end) {\n        return node;\n      } else {\n        $prev = node;\n        stack.push(node);\n      }\n\n    });\n\n\n    if(found){\n      return this.findTextEndRange(found, start, end);\n    }\n\n  }\n\n  // end of chapter\n  return this.findTextEndRange($prev, start, end);\n};\n\n\nMap.prototype.findTextStartRange = function(node, start, end){\n  var ranges = this.splitTextNodeIntoRanges(node);\n  var prev;\n  var range;\n  var pos;\n\n  for (var i = 0; i < ranges.length; i++) {\n    range = ranges[i];\n\n    pos = range.getBoundingClientRect();\n\n    if( pos.left >= start ) {\n      return range;\n    }\n\n    prev = range;\n\n  }\n\n  return ranges[0];\n};\n\nMap.prototype.findTextEndRange = function(node, start, end){\n  var ranges = this.splitTextNodeIntoRanges(node);\n  var prev;\n  var range;\n  var pos;\n\n  for (var i = 0; i < ranges.length; i++) {\n    range = ranges[i];\n\n    pos = range.getBoundingClientRect();\n\n    if(pos.left > end && prev) {\n      return prev;\n    } else if(pos.right > end) {\n      return range;\n    }\n\n    prev = range;\n\n  }\n\n  // Ends before limit\n  return ranges[ranges.length-1];\n\n};\n\nMap.prototype.splitTextNodeIntoRanges = function(node, _splitter){\n  var ranges = [];\n  var textContent = node.textContent || \"\";\n  var text = textContent.trim();\n  var range;\n  var rect;\n  var list;\n  var doc = node.ownerDocument;\n  var splitter = _splitter || \" \";\n\n  pos = text.indexOf(splitter);\n\n  if(pos === -1 || node.nodeType != Node.TEXT_NODE) {\n    range = doc.createRange();\n    range.selectNodeContents(node);\n    return [range];\n  }\n\n  range = doc.createRange();\n  range.setStart(node, 0);\n  range.setEnd(node, pos);\n  ranges.push(range);\n  range = false;\n\n  while ( pos != -1 ) {\n\n    pos = text.indexOf(splitter, pos + 1);\n    if(pos > 0) {\n\n      if(range) {\n        range.setEnd(node, pos);\n        ranges.push(range);\n      }\n\n      range = doc.createRange();\n      range.setStart(node, pos+1);\n    }\n  }\n\n  if(range) {\n    range.setEnd(node, text.length);\n    ranges.push(range);\n  }\n\n  return ranges;\n};\n\n\n\nMap.prototype.rangePairToCfiPair = function(section, rangePair){\n\n  var startRange = rangePair.start;\n  var endRange = rangePair.end;\n\n  startRange.collapse(true);\n  endRange.collapse(true);\n\n  startCfi = section.cfiFromRange(startRange);\n  endCfi = section.cfiFromRange(endRange);\n\n  return {\n    start: startCfi,\n    end: endCfi\n  };\n\n};\n\nMap.prototype.rangeListToCfiList = function(view, columns){\n  var map = [];\n  var rangePair, cifPair;\n\n  for (var i = 0; i < columns.length; i++) {\n    cifPair = this.rangePairToCfiPair(view.section, columns[i]);\n\n    map.push(cifPair);\n\n  }\n\n  return map;\n};\n\nmodule.exports = Map;\n","var core = require('./core');\nvar Parser = require('./parser');\nvar RSVP = require('rsvp');\nvar URI = require('urijs');\n\nfunction Navigation(_package, _request){\n  var navigation = this;\n  var parse = new Parser();\n  var request = _request || require('./request');\n\n  this.package = _package;\n  this.toc = [];\n  this.tocByHref = {};\n  this.tocById = {};\n\n  if(_package.navPath) {\n    this.navUrl = URI(_package.navPath).absoluteTo(_package.baseUrl).toString();\n    this.nav = {};\n\n    this.nav.load = function(_request){\n      var loading = new RSVP.defer();\n      var loaded = loading.promise;\n\n      request(navigation.navUrl, 'xml').then(function(xml){\n        navigation.toc = parse.nav(xml);\n        navigation.loaded(navigation.toc);\n        loading.resolve(navigation.toc);\n      });\n\n      return loaded;\n    };\n\n  }\n\n  if(_package.ncxPath) {\n    this.ncxUrl = URI(_package.ncxPath).absoluteTo(_package.baseUrl).toString();\n    this.ncx = {};\n\n    this.ncx.load = function(_request){\n      var loading = new RSVP.defer();\n      var loaded = loading.promise;\n\n      request(navigation.ncxUrl, 'xml').then(function(xml){\n        navigation.toc = parse.ncx(xml);\n        navigation.loaded(navigation.toc);\n        loading.resolve(navigation.toc);\n      });\n\n      return loaded;\n    };\n\n  }\n};\n\n// Load the navigation\nNavigation.prototype.load = function(_request) {\n  var request = _request || require('./request');\n  var loading, loaded;\n\n  if(this.nav) {\n    loading = this.nav.load();\n  } else if(this.ncx) {\n    loading = this.ncx.load();\n  } else {\n    loaded = new RSVP.defer();\n    loaded.resolve([]);\n    loading = loaded.promise;\n  }\n\n  return loading;\n\n};\n\nNavigation.prototype.loaded = function(toc) {\n  var item;\n\n  for (var i = 0; i < toc.length; i++) {\n    item = toc[i];\n    this.tocByHref[item.href] = i;\n    this.tocById[item.id] = i;\n  }\n\n};\n\n// Get an item from the navigation\nNavigation.prototype.get = function(target) {\n  var index;\n\n  if(!target) {\n    return this.toc;\n  }\n\n  if(target.indexOf(\"#\") === 0) {\n    index = this.tocById[target.substring(1)];\n  } else if(target in this.tocByHref){\n    index = this.tocByHref[target];\n  }\n\n  return this.toc[index];\n};\n\nmodule.exports = Navigation;\n","var RSVP = require('rsvp');\nvar core = require('./core');\nvar Continuous = require('./continuous');\nvar Map = require('./map');\nvar Layout = require('./layout');\n\nfunction Paginate(book, options) {\n\n  Continuous.apply(this, arguments);\n\n  this.settings = core.extend(this.settings || {}, {\n    width: 600,\n    height: 400,\n    axis: \"horizontal\",\n    forceSingle: false,\n    minSpreadWidth: 800, //-- overridden by spread: none (never) / both (always)\n    gap: \"auto\", //-- \"auto\" or int\n    overflow: \"hidden\",\n    infinite: false\n  });\n\n  core.extend(this.settings, options);\n\n  this.isForcedSingle = this.settings.forceSingle;\n\n  this.viewSettings = {\n    axis: this.settings.axis\n  };\n\n  this.start();\n};\n\nPaginate.prototype = Object.create(Continuous.prototype);\nPaginate.prototype.constructor = Paginate;\n\n\nPaginate.prototype.determineSpreads = function(cutoff){\n  if(this.isForcedSingle || !cutoff || this.bounds().width < cutoff) {\n    return 1; //-- Single Page\n  }else{\n    return 2; //-- Double Page\n  }\n};\n\nPaginate.prototype.forceSingle = function(bool){\n  if(bool === false) {\n    this.isForcedSingle = false;\n    // this.spreads = false;\n  } else {\n    this.isForcedSingle = true;\n    // this.spreads = this.determineSpreads(this.minSpreadWidth);\n  }\n  this.applyLayoutMethod();\n};\n\n/**\n* Uses the settings to determine which Layout Method is needed\n* Triggers events based on the method choosen\n* Takes: Layout settings object\n* Returns: String of appropriate for EPUBJS.Layout function\n*/\n// Paginate.prototype.determineLayout = function(settings){\n//   // Default is layout: reflowable & spread: auto\n//   var spreads = this.determineSpreads(this.settings.minSpreadWidth);\n//   console.log(\"spreads\", spreads, this.settings.minSpreadWidth)\n//   var layoutMethod = spreads ? \"ReflowableSpreads\" : \"Reflowable\";\n//   var scroll = false;\n//\n//   if(settings.layout === \"pre-paginated\") {\n//     layoutMethod = \"Fixed\";\n//     scroll = true;\n//     spreads = false;\n//   }\n//\n//   if(settings.layout === \"reflowable\" && settings.spread === \"none\") {\n//     layoutMethod = \"Reflowable\";\n//     scroll = false;\n//     spreads = false;\n//   }\n//\n//   if(settings.layout === \"reflowable\" && settings.spread === \"both\") {\n//     layoutMethod = \"ReflowableSpreads\";\n//     scroll = false;\n//     spreads = true;\n//   }\n//\n//   this.spreads = spreads;\n//\n//   return layoutMethod;\n// };\n\nPaginate.prototype.start = function(){\n  // On display\n  // this.layoutSettings = this.reconcileLayoutSettings(globalLayout, chapter.properties);\n  // this.layoutMethod = this.determineLayout(this.layoutSettings);\n  // this.layout = new EPUBJS.Layout[this.layoutMethod]();\n  //this.hooks.display.register(this.registerLayoutMethod.bind(this));\n  // this.hooks.display.register(this.reportLocation);\n  this.on('displayed', this.reportLocation.bind(this));\n\n  // this.hooks.content.register(this.adjustImages.bind(this));\n\n  this.currentPage = 0;\n\n  window.addEventListener('unload', function(e){\n    this.ignore = true;\n    this.destroy();\n  }.bind(this));\n\n};\n\n// EPUBJS.Rendition.prototype.createView = function(section) {\n//   var view = new EPUBJS.View(section, this.viewSettings);\n\n\n//   return view;\n// };\n\nPaginate.prototype.applyLayoutMethod = function() {\n  //var task = new RSVP.defer();\n\n  // this.spreads = this.determineSpreads(this.settings.minSpreadWidth);\n\n  this.layout = new Layout.Reflowable();\n\n  this.updateLayout();\n\n  // Set the look ahead offset for what is visible\n\n  this.map = new Map(this.layout);\n\n  // this.hooks.layout.register(this.layout.format.bind(this));\n\n  //task.resolve();\n  //return task.promise;\n  // return layout;\n};\n\nPaginate.prototype.updateLayout = function() {\n\n  this.spreads = this.determineSpreads(this.settings.minSpreadWidth);\n\n  this.layout.calculate(\n    this.stage.width,\n    this.stage.height,\n    this.settings.gap,\n    this.spreads\n  );\n\n  this.settings.offset = this.layout.delta;\n\n};\n\nPaginate.prototype.moveTo = function(offset){\n  var dist = Math.floor(offset.left / this.layout.delta) * this.layout.delta;\n  return this.check(0, dist+this.settings.offset).then(function(){\n    this.scrollBy(dist, 0);\n  }.bind(this));\n};\n\nPaginate.prototype.page = function(pg){\n\n  // this.currentPage = pg;\n  // this.renderer.infinite.scrollTo(this.currentPage * this.formated.pageWidth, 0);\n  //-- Return false if page is greater than the total\n  // return false;\n};\n\nPaginate.prototype.next = function(){\n\n  return this.q.enqueue(function(){\n    // console.log(this.container.scrollWidth, this.container.scrollLeft + this.container.offsetWidth + this.layout.delta)\n    if(this.container.scrollLeft +\n       this.container.offsetWidth +\n       this.layout.delta < this.container.scrollWidth) {\n      this.scrollBy(this.layout.delta, 0);\n    } else {\n      this.scrollTo(this.container.scrollWidth - this.layout.delta, 0);\n    }\n    this.reportLocation();\n    return this.check();\n  });\n\n  // return this.page(this.currentPage + 1);\n};\n\nPaginate.prototype.prev = function(){\n\n  return this.q.enqueue(function(){\n    this.scrollBy(-this.layout.delta, 0);\n    this.reportLocation();\n    return this.check();\n  });\n  // return this.page(this.currentPage - 1);\n};\n\n// Paginate.prototype.reportLocation = function(){\n//   return this.q.enqueue(function(){\n//     this.location = this.currentLocation();\n//     this.trigger(\"locationChanged\", this.location);\n//   }.bind(this));\n// };\n\nPaginate.prototype.currentLocation = function(){\n  var visible = this.visible();\n  var startA, startB, endA, endB;\n  var pageLeft, pageRight;\n  var container = this.container.getBoundingClientRect();\n\n  if(visible.length === 1) {\n    startA = container.left - visible[0].position().left;\n    endA = startA + this.layout.spread;\n\n    return this.map.page(visible[0], startA, endA);\n  }\n\n  if(visible.length > 1) {\n\n    // Left Col\n    startA = container.left - visible[0].position().left;\n    endA = startA + this.layout.column;\n\n    // Right Col\n    startB = container.left + this.layout.spread - visible[visible.length-1].position().left;\n    endB = startB + this.layout.column;\n\n    pageLeft = this.map.page(visible[0], startA, endA);\n    pageRight = this.map.page(visible[visible.length-1], startB, endB);\n\n    return {\n      start: pageLeft.start,\n      end: pageRight.end\n    };\n  }\n};\n\nPaginate.prototype.resize = function(width, height){\n  // Clear the queue\n  this.q.clear();\n\n  this.stageSize(width, height);\n\n  this.updateLayout();\n\n  if(this.location) {\n    this.display(this.location.start);\n  }\n\n  this.trigger(\"resized\", {\n    width: this.stage.width,\n    height: this.stage.height\n  });\n\n};\n\nPaginate.prototype.onResized = function(e) {\n\n  this.views.clear();\n\n  clearTimeout(this.resizeTimeout);\n  this.resizeTimeout = setTimeout(function(){\n    this.resize();\n  }.bind(this), 150);\n};\n\nPaginate.prototype.adjustImages = function(view) {\n\n  view.addStylesheetRules([\n      [\"img\",\n        [\"max-width\", (this.layout.spread) + \"px\"],\n        [\"max-height\", (this.layout.height) + \"px\"]\n      ]\n  ]);\n  return new RSVP.Promise(function(resolve, reject){\n    // Wait to apply\n    setTimeout(function() {\n      resolve();\n    }, 1);\n  });\n};\n\n// Paginate.prototype.display = function(what){\n//   return this.display(what);\n// };\n\nmodule.exports = Paginate;\n","var URI = require('urijs');\nvar core = require('./core');\nvar EpubCFI = require('./epubcfi');\n\nfunction Parser(){};\n\nParser.prototype.container = function(containerXml){\n    //-- <rootfile full-path=\"OPS/package.opf\" media-type=\"application/oebps-package+xml\"/>\n    var rootfile, fullpath, folder, encoding;\n\n    if(!containerXml) {\n      console.error(\"Container File Not Found\");\n      return;\n    }\n\n    rootfile = containerXml.querySelector(\"rootfile\");\n\n    if(!rootfile) {\n      console.error(\"No RootFile Found\");\n      return;\n    }\n\n    fullpath = rootfile.getAttribute('full-path');\n    folder = URI(fullpath).directory();\n    encoding = containerXml.xmlEncoding;\n\n    //-- Now that we have the path we can parse the contents\n    return {\n      'packagePath' : fullpath,\n      'basePath' : folder,\n      'encoding' : encoding\n    };\n};\n\nParser.prototype.identifier = function(packageXml){\n  var metadataNode;\n\n  if(!packageXml) {\n    console.error(\"Package File Not Found\");\n    return;\n  }\n\n  metadataNode = packageXml.querySelector(\"metadata\");\n\n  if(!metadataNode) {\n    console.error(\"No Metadata Found\");\n    return;\n  }\n\n  return this.getElementText(metadataNode, \"identifier\");\n};\n\nParser.prototype.packageContents = function(packageXml){\n  var parse = this;\n  var metadataNode, manifestNode, spineNode;\n  var manifest, navPath, ncxPath, coverPath;\n  var spineNodeIndex;\n  var spine;\n  var spineIndexByURL;\n  var metadata;\n\n  if(!packageXml) {\n    console.error(\"Package File Not Found\");\n    return;\n  }\n\n  metadataNode = packageXml.querySelector(\"metadata\");\n  if(!metadataNode) {\n    console.error(\"No Metadata Found\");\n    return;\n  }\n\n  manifestNode = packageXml.querySelector(\"manifest\");\n  if(!manifestNode) {\n    console.error(\"No Manifest Found\");\n    return;\n  }\n\n  spineNode = packageXml.querySelector(\"spine\");\n  if(!spineNode) {\n    console.error(\"No Spine Found\");\n    return;\n  }\n\n  manifest = parse.manifest(manifestNode);\n  navPath = parse.findNavPath(manifestNode);\n  ncxPath = parse.findNcxPath(manifestNode, spineNode);\n  coverPath = parse.findCoverPath(packageXml);\n\n  spineNodeIndex = Array.prototype.indexOf.call(spineNode.parentNode.childNodes, spineNode);\n\n  spine = parse.spine(spineNode, manifest);\n\n  metadata = parse.metadata(metadataNode);\n\n\tmetadata.direction = spineNode.getAttribute(\"page-progression-direction\");\n\n  return {\n    'metadata' : metadata,\n    'spine'    : spine,\n    'manifest' : manifest,\n    'navPath'  : navPath,\n    'ncxPath'  : ncxPath,\n    'coverPath': coverPath,\n    'spineNodeIndex' : spineNodeIndex\n  };\n};\n\n//-- Find TOC NAV\nParser.prototype.findNavPath = function(manifestNode){\n\t// Find item with property 'nav'\n\t// Should catch nav irregardless of order\n  var node = manifestNode.querySelector(\"item[properties$='nav'], item[properties^='nav '], item[properties*=' nav ']\");\n  return node ? node.getAttribute('href') : false;\n};\n\n//-- Find TOC NCX: media-type=\"application/x-dtbncx+xml\" href=\"toc.ncx\"\nParser.prototype.findNcxPath = function(manifestNode, spineNode){\n\tvar node = manifestNode.querySelector(\"item[media-type='application/x-dtbncx+xml']\");\n\tvar tocId;\n\n\t// If we can't find the toc by media-type then try to look for id of the item in the spine attributes as\n\t// according to http://www.idpf.org/epub/20/spec/OPF_2.0.1_draft.htm#Section2.4.1.2,\n\t// \"The item that describes the NCX must be referenced by the spine toc attribute.\"\n\tif (!node) {\n\t\ttocId = spineNode.getAttribute(\"toc\");\n\t\tif(tocId) {\n\t\t\tnode = manifestNode.querySelector(\"item[id='\" + tocId + \"']\");\n\t\t}\n\t}\n\n\treturn node ? node.getAttribute('href') : false;\n};\n\n//-- Expanded to match Readium web components\nParser.prototype.metadata = function(xml){\n  var metadata = {},\n      p = this;\n\n  metadata.title = p.getElementText(xml, 'title');\n  metadata.creator = p.getElementText(xml, 'creator');\n  metadata.description = p.getElementText(xml, 'description');\n\n  metadata.pubdate = p.getElementText(xml, 'date');\n\n  metadata.publisher = p.getElementText(xml, 'publisher');\n\n  metadata.identifier = p.getElementText(xml, \"identifier\");\n  metadata.language = p.getElementText(xml, \"language\");\n  metadata.rights = p.getElementText(xml, \"rights\");\n\n  metadata.modified_date = p.querySelectorText(xml, \"meta[property='dcterms:modified']\");\n  metadata.layout = p.querySelectorText(xml, \"meta[property='rendition:layout']\");\n  metadata.orientation = p.querySelectorText(xml, \"meta[property='rendition:orientation']\");\n  metadata.spread = p.querySelectorText(xml, \"meta[property='rendition:spread']\");\n  // metadata.page_prog_dir = packageXml.querySelector(\"spine\").getAttribute(\"page-progression-direction\");\n\n  return metadata;\n};\n\n//-- Find Cover: <item properties=\"cover-image\" id=\"ci\" href=\"cover.svg\" media-type=\"image/svg+xml\" />\n//-- Fallback for Epub 2.0\nParser.prototype.findCoverPath = function(packageXml){\n\n\tvar epubVersion = packageXml.querySelector('package').getAttribute('version');\n\n\tif (epubVersion === '2.0') {\n\t\tvar metaCover = packageXml.querySelector('meta[name=\"cover\"]');\n\t\tif (metaCover) {\n\t\t\tvar coverId = metaCover.getAttribute('content');\n\t\t\tvar cover = packageXml.querySelector(\"item[id='\" + coverId + \"']\");\n\t\t\treturn cover ? cover.getAttribute('href') : false;\n\t\t}\n\t\telse {\n\t\t\treturn false;\n\t\t}\n\t}\n\telse {\n\t\tvar node = packageXml.querySelector(\"item[properties='cover-image']\");\n\t\treturn node ? node.getAttribute('href') : false;\n\t}\n};\n\nParser.prototype.getElementText = function(xml, tag){\n  var found = xml.getElementsByTagNameNS(\"http://purl.org/dc/elements/1.1/\", tag),\n    el;\n\n  if(!found || found.length === 0) return '';\n\n  el = found[0];\n\n  if(el.childNodes.length){\n    return el.childNodes[0].nodeValue;\n  }\n\n  return '';\n\n};\n\nParser.prototype.querySelectorText = function(xml, q){\n  var el = xml.querySelector(q);\n\n  if(el && el.childNodes.length){\n    return el.childNodes[0].nodeValue;\n  }\n\n  return '';\n};\n\nParser.prototype.manifest = function(manifestXml){\n  var manifest = {};\n\n  //-- Turn items into an array\n  var selected = manifestXml.querySelectorAll(\"item\"),\n    items = Array.prototype.slice.call(selected);\n\n  //-- Create an object with the id as key\n  items.forEach(function(item){\n    var id = item.getAttribute('id'),\n        href = item.getAttribute('href') || '',\n        type = item.getAttribute('media-type') || '',\n        properties = item.getAttribute('properties') || '';\n\n    manifest[id] = {\n      'href' : href,\n      // 'url' : href,\n      'type' : type,\n      'properties' : properties.length ? properties.split(' ') : []\n    };\n\n  });\n\n  return manifest;\n\n};\n\nParser.prototype.spine = function(spineXml, manifest){\n  var spine = [];\n\n  var selected = spineXml.getElementsByTagName(\"itemref\"),\n      items = Array.prototype.slice.call(selected);\n\n  var epubcfi = new EpubCFI();\n\n  //-- Add to array to mantain ordering and cross reference with manifest\n  items.forEach(function(item, index){\n    var idref = item.getAttribute('idref');\n    // var cfiBase = epubcfi.generateChapterComponent(spineNodeIndex, index, Id);\n    var props = item.getAttribute('properties') || '';\n    var propArray = props.length ? props.split(' ') : [];\n    // var manifestProps = manifest[Id].properties;\n    // var manifestPropArray = manifestProps.length ? manifestProps.split(' ') : [];\n\n    var itemref = {\n      'idref' : idref,\n      'linear' : item.getAttribute('linear') || '',\n      'properties' : propArray,\n      // 'href' : manifest[Id].href,\n      // 'url' :  manifest[Id].url,\n      'index' : index\n      // 'cfiBase' : cfiBase\n    };\n    spine.push(itemref);\n  });\n\n  return spine;\n};\n\nParser.prototype.querySelectorByType = function(html, element, type){\n\tvar query = html.querySelector(element+'[*|type=\"'+type+'\"]');\n\t// Handle IE not supporting namespaced epub:type in querySelector\n\tif(query === null || query.length === 0) {\n\t\tquery = html.querySelectorAll(element);\n\t\tfor (var i = 0; i < query.length; i++) {\n\t\t\tif(query[i].getAttributeNS(\"http://www.idpf.org/2007/ops\", \"type\") === type) {\n\t\t\t\treturn query[i];\n\t\t\t}\n\t\t}\n\t} else {\n\t\treturn query;\n\t}\n};\n\nParser.prototype.nav = function(navHtml, spineIndexByURL, bookSpine){\n\tvar navElement = this.querySelectorByType(navHtml, \"nav\", \"toc\");\n\tvar navItems = navElement ? navElement.querySelectorAll(\"ol li\") : [];\n\tvar length = navItems.length;\n\tvar i;\n\tvar toc = {};\n\tvar list = [];\n\tvar item, parent;\n\n\tif(!navItems || length === 0) return list;\n\n\tfor (i = 0; i < length; ++i) {\n\t\titem = this.navItem(navItems[i], spineIndexByURL, bookSpine);\n\t\ttoc[item.id] = item;\n\t\tif(!item.parent) {\n\t\t\tlist.push(item);\n\t\t} else {\n\t\t\tparent = toc[item.parent];\n\t\t\tparent.subitems.push(item);\n\t\t}\n\t}\n\n\treturn list;\n};\n\nParser.prototype.navItem = function(item, spineIndexByURL, bookSpine){\n\tvar id = item.getAttribute('id') || false,\n\t\t\tcontent = item.querySelector(\"a, span\"),\n\t\t\tsrc = content.getAttribute('href') || '',\n\t\t\ttext = content.textContent || \"\",\n\t\t\t// split = src.split(\"#\"),\n\t\t\t// baseUrl = split[0],\n\t\t\t// spinePos = spineIndexByURL[baseUrl],\n\t\t\t// spineItem = bookSpine[spinePos],\n\t\t\tsubitems = [],\n\t\t\tparentNode = item.parentNode,\n\t\t\tparent;\n\t\t\t// cfi = spineItem ? spineItem.cfi : '';\n\n\tif(parentNode && parentNode.nodeName === \"navPoint\") {\n\t\tparent = parentNode.getAttribute('id');\n\t}\n\n  /*\n\tif(!id) {\n\t\tif(spinePos) {\n\t\t\tspineItem = bookSpine[spinePos];\n\t\t\tid = spineItem.id;\n\t\t\tcfi = spineItem.cfi;\n\t\t} else {\n\t\t\tid = 'epubjs-autogen-toc-id-' + EPUBJS.core.uuid();\n\t\t\titem.setAttribute('id', id);\n\t\t}\n\t}\n  */\n\n\treturn {\n\t\t\"id\": id,\n\t\t\"href\": src,\n\t\t\"label\": text,\n\t\t\"subitems\" : subitems,\n\t\t\"parent\" : parent\n\t};\n};\n\nParser.prototype.toc = function(tocXml, spineIndexByURL, bookSpine){\n\tvar navPoints = tocXml.querySelectorAll(\"navMap navPoint\");\n\tvar length = navPoints.length;\n\tvar i;\n\tvar toc = {};\n\tvar list = [];\n\tvar item, parent;\n\n\tif(!navPoints || length === 0) return list;\n\n\tfor (i = 0; i < length; ++i) {\n\t\titem = this.tocItem(navPoints[i], spineIndexByURL, bookSpine);\n\t\ttoc[item.id] = item;\n\t\tif(!item.parent) {\n\t\t\tlist.push(item);\n\t\t} else {\n\t\t\tparent = toc[item.parent];\n\t\t\tparent.subitems.push(item);\n\t\t}\n\t}\n\n\treturn list;\n};\n\nParser.prototype.tocItem = function(item, spineIndexByURL, bookSpine){\n\tvar id = item.getAttribute('id') || false,\n\t\t\tcontent = item.querySelector(\"content\"),\n\t\t\tsrc = content.getAttribute('src'),\n\t\t\tnavLabel = item.querySelector(\"navLabel\"),\n\t\t\ttext = navLabel.textContent ? navLabel.textContent : \"\",\n\t\t\t// split = src.split(\"#\"),\n\t\t\t// baseUrl = split[0],\n\t\t\t// spinePos = spineIndexByURL[baseUrl],\n\t\t\t// spineItem = bookSpine[spinePos],\n\t\t\tsubitems = [],\n\t\t\tparentNode = item.parentNode,\n\t\t\tparent;\n\t\t\t// cfi = spineItem ? spineItem.cfi : '';\n\n\tif(parentNode && parentNode.nodeName === \"navPoint\") {\n\t\tparent = parentNode.getAttribute('id');\n\t}\n\n  /*\n\tif(!id) {\n\t\tif(spinePos) {\n\t\t\tspineItem = bookSpine[spinePos];\n\t\t\tid = spineItem.id;\n\t\t\tcfi = spineItem.cfi;\n\t\t} else {\n\t\t\tid = 'epubjs-autogen-toc-id-' + EPUBJS.core.uuid();\n\t\t\titem.setAttribute('id', id);\n\t\t}\n\t}\n  */\n\n\treturn {\n\t\t\"id\": id,\n\t\t\"href\": src,\n\t\t\"label\": text,\n\t\t\"subitems\" : subitems,\n\t\t\"parent\" : parent\n\t};\n};\n\nParser.prototype.pageList = function(navHtml, spineIndexByURL, bookSpine){\n\tvar navElement = this.querySelectorByType(navHtml, \"nav\", \"page-list\");\n\tvar navItems = navElement ? navElement.querySelectorAll(\"ol li\") : [];\n\tvar length = navItems.length;\n\tvar i;\n\tvar toc = {};\n\tvar list = [];\n\tvar item;\n\n\tif(!navItems || length === 0) return list;\n\n\tfor (i = 0; i < length; ++i) {\n\t\titem = this.pageListItem(navItems[i], spineIndexByURL, bookSpine);\n\t\tlist.push(item);\n\t}\n\n\treturn list;\n};\n\nParser.prototype.pageListItem = function(item, spineIndexByURL, bookSpine){\n\tvar id = item.getAttribute('id') || false,\n\t\tcontent = item.querySelector(\"a\"),\n\t\thref = content.getAttribute('href') || '',\n\t\ttext = content.textContent || \"\",\n\t\tpage = parseInt(text),\n\t\tisCfi = href.indexOf(\"epubcfi\"),\n\t\tsplit,\n\t\tpackageUrl,\n\t\tcfi;\n\n\tif(isCfi != -1) {\n\t\tsplit = href.split(\"#\");\n\t\tpackageUrl = split[0];\n\t\tcfi = split.length > 1 ? split[1] : false;\n\t\treturn {\n\t\t\t\"cfi\" : cfi,\n\t\t\t\"href\" : href,\n\t\t\t\"packageUrl\" : packageUrl,\n\t\t\t\"page\" : page\n\t\t};\n\t} else {\n\t\treturn {\n\t\t\t\"href\" : href,\n\t\t\t\"page\" : page\n\t\t};\n\t}\n};\n\nmodule.exports = Parser;\n","var RSVP = require('rsvp');\nvar core = require('./core');\n\nfunction Queue(_context){\n  this._q = [];\n  this.context = _context;\n  this.tick = core.requestAnimationFrame;\n  this.running = false;\n  this.paused = false;\n};\n\n// Add an item to the queue\nQueue.prototype.enqueue = function() {\n  var deferred, promise;\n  var queued;\n  var task = [].shift.call(arguments);\n  var args = arguments;\n\n  // Handle single args without context\n  // if(args && !Array.isArray(args)) {\n  //   args = [args];\n  // }\n  if(!task) {\n    return console.error(\"No Task Provided\");\n  }\n\n  if(typeof task === \"function\"){\n\n    deferred = new RSVP.defer();\n    promise = deferred.promise;\n\n    queued = {\n      \"task\" : task,\n      \"args\"     : args,\n      //\"context\"  : context,\n      \"deferred\" : deferred,\n      \"promise\" : promise\n    };\n\n  } else {\n    // Task is a promise\n    queued = {\n      \"promise\" : task\n    };\n\n  }\n\n  this._q.push(queued);\n\n  // Wait to start queue flush\n  if (this.paused == false && !this.running) {\n    // setTimeout(this.flush.bind(this), 0);\n    // this.tick.call(window, this.run.bind(this));\n    this.run();\n  }\n\n  return queued.promise;\n};\n\n// Run one item\nQueue.prototype.dequeue = function(){\n  var inwait, task, result;\n\n  if(this._q.length) {\n    inwait = this._q.shift();\n    task = inwait.task;\n    if(task){\n      // console.log(task)\n\n      result = task.apply(this.context, inwait.args);\n\n      if(result && typeof result[\"then\"] === \"function\") {\n        // Task is a function that returns a promise\n        return result.then(function(){\n          inwait.deferred.resolve.apply(this.context, arguments);\n        }.bind(this));\n      } else {\n        // Task resolves immediately\n        inwait.deferred.resolve.apply(this.context, result);\n        return inwait.promise;\n      }\n\n\n\n    } else if(inwait.promise) {\n      // Task is a promise\n      return inwait.promise;\n    }\n\n  } else {\n    inwait = new RSVP.defer();\n    inwait.deferred.resolve();\n    return inwait.promise;\n  }\n\n};\n\n// Run All Immediately\nQueue.prototype.dump = function(){\n  while(this._q.length) {\n    this.dequeue();\n  }\n};\n\n// Run all sequentially, at convince\n\nQueue.prototype.run = function(){\n\n  if(!this.running){\n    this.running = true;\n    this.defered = new RSVP.defer();\n  }\n\n  this.tick.call(window, function() {\n\n    if(this._q.length) {\n\n      this.dequeue()\n        .then(function(){\n          this.run();\n        }.bind(this));\n\n    } else {\n      this.defered.resolve();\n      this.running = undefined;\n    }\n\n  }.bind(this));\n\n  // Unpause\n  if(this.paused == true) {\n    this.paused = false;\n  }\n\n  return this.defered.promise;\n};\n\n// Flush all, as quickly as possible\nQueue.prototype.flush = function(){\n\n  if(this.running){\n    return this.running;\n  }\n\n  if(this._q.length) {\n    this.running = this.dequeue()\n      .then(function(){\n        this.running = undefined;\n        return this.flush();\n      }.bind(this));\n\n    return this.running;\n  }\n\n};\n\n// Clear all items in wait\nQueue.prototype.clear = function(){\n  this._q = [];\n  this.running = false;\n};\n\nQueue.prototype.length = function(){\n  return this._q.length;\n};\n\nQueue.prototype.pause = function(){\n  this.paused = true;\n};\n\n// Create a new task from a callback\nfunction Task(task, args, context){\n\n  return function(){\n    var toApply = arguments || [];\n\n    return new RSVP.Promise(function(resolve, reject) {\n      var callback = function(value){\n        resolve(value);\n      };\n      // Add the callback to the arguments list\n      toApply.push(callback);\n\n      // Apply all arguments to the functions\n      task.apply(this, toApply);\n\n  }.bind(this));\n\n  };\n\n};\n\nmodule.exports = Queue;\n","var RSVP = require('rsvp');\nvar URI = require('urijs');\nvar core = require('./core');\nvar replace = require('./replacements');\nvar Hook = require('./hook');\nvar EpubCFI = require('./epubcfi');\nvar Queue = require('./queue');\nvar View = require('./view');\nvar Views = require('./views');\nvar Layout = require('./layout');\nvar Map = require('./map');\n\nfunction Rendition(book, options) {\n\n\tthis.settings = core.extend(this.settings || {}, {\n\t\tinfinite: true,\n\t\thidden: false,\n\t\twidth: false,\n\t\theight: null,\n\t\tlayoutOveride : null, // Default: { spread: 'reflowable', layout: 'auto', orientation: 'auto'},\n\t\taxis: \"vertical\"\n\t});\n\n\tcore.extend(this.settings, options);\n\n\tthis.viewSettings = {};\n\n\tthis.book = book;\n\n\tthis.views = null;\n\n\t//-- Adds Hook methods to the Rendition prototype\n\tthis.hooks = {};\n\tthis.hooks.display = new Hook(this);\n\tthis.hooks.serialize = new Hook(this);\n\tthis.hooks.content = new Hook(this);\n\tthis.hooks.layout = new Hook(this);\n\tthis.hooks.render = new Hook(this);\n\tthis.hooks.show = new Hook(this);\n\n\tthis.hooks.content.register(replace.links.bind(this));\n\tthis.hooks.content.register(this.passViewEvents.bind(this));\n\n\t// this.hooks.display.register(this.afterDisplay.bind(this));\n\n  this.epubcfi = new EpubCFI();\n\n\tthis.q = new Queue(this);\n\n\tthis.q.enqueue(this.book.opened);\n\n\tthis.q.enqueue(this.parseLayoutProperties);\n\n\tif(this.book.archive) {\n\t\tthis.replacements();\n\t}\n};\n\n/**\n* Creates an element to render to.\n* Resizes to passed width and height or to the elements size\n*/\nRendition.prototype.initialize = function(_options){\n\tvar options = _options || {};\n\tvar height  = options.height;// !== false ? options.height : \"100%\";\n\tvar width   = options.width;// !== false ? options.width : \"100%\";\n\tvar hidden  = options.hidden || false;\n\tvar container;\n\tvar wrapper;\n\n\tif(options.height && core.isNumber(options.height)) {\n\t\theight = options.height + \"px\";\n\t}\n\n\tif(options.width && core.isNumber(options.width)) {\n\t\twidth = options.width + \"px\";\n\t}\n\n\t// Create new container element\n\tcontainer = document.createElement(\"div\");\n\n\tcontainer.id = \"epubjs-container:\" + core.uuid();\n\tcontainer.classList.add(\"epub-container\");\n\n\t// Style Element\n\tcontainer.style.fontSize = \"0\";\n\tcontainer.style.wordSpacing = \"0\";\n\tcontainer.style.lineHeight = \"0\";\n\tcontainer.style.verticalAlign = \"top\";\n\n\tif(this.settings.axis === \"horizontal\") {\n\t\tcontainer.style.whiteSpace = \"nowrap\";\n\t}\n\n\tif(width){\n\t\tcontainer.style.width = width;\n\t}\n\n\tif(height){\n\t\tcontainer.style.height = height;\n\t}\n\n\tcontainer.style.overflow = this.settings.overflow;\n\n\treturn container;\n};\n\nRendition.wrap = function(container) {\n\tvar wrapper = document.createElement(\"div\");\n\n\twrapper.style.visibility = \"hidden\";\n\twrapper.style.overflow = \"hidden\";\n\twrapper.style.width = \"0\";\n\twrapper.style.height = \"0\";\n\n\twrapper.appendChild(container);\n\treturn wrapper;\n};\n\n// Call to attach the container to an element in the dom\n// Container must be attached before rendering can begin\nRendition.prototype.attachTo = function(_element){\n\tvar bounds;\n\n\tthis.container = this.initialize({\n\t\t\"width\"  : this.settings.width,\n\t\t\"height\" : this.settings.height\n\t});\n\n\tif(core.isElement(_element)) {\n\t\tthis.element = _element;\n\t} else if (typeof _element === \"string\") {\n\t\tthis.element = document.getElementById(_element);\n\t}\n\n\tif(!this.element){\n\t\tconsole.error(\"Not an Element\");\n\t\treturn;\n\t}\n\n\tif(this.settings.hidden) {\n\t\tthis.wrapper = this.wrap(this.container);\n\t\tthis.element.appendChild(this.wrapper);\n\t} else {\n\t\tthis.element.appendChild(this.container);\n\t}\n\n\tthis.views = new Views(this.container);\n\n\t// Attach Listeners\n\tthis.attachListeners();\n\n\t// Calculate Stage Size\n\tthis.stageSize();\n\n\t// Add Layout method\n\tthis.applyLayoutMethod();\n\n\t// Trigger Attached\n\tthis.trigger(\"attached\");\n\n\t// Start processing queue\n\t// this.q.run();\n\n};\n\nRendition.prototype.attachListeners = function(){\n\n\t// Listen to window for resize event if width or height is set to 100%\n\tif(!core.isNumber(this.settings.width) ||\n\t\t !core.isNumber(this.settings.height) ) {\n\t\twindow.addEventListener(\"resize\", this.onResized.bind(this), false);\n\t}\n\n};\n\nRendition.prototype.bounds = function() {\n\treturn this.container.getBoundingClientRect();\n};\n\nRendition.prototype.display = function(target){\n\n\treturn this.q.enqueue(this._display, target);\n\n};\n\nRendition.prototype._display = function(target){\n\n\tvar displaying = new RSVP.defer();\n\tvar displayed = displaying.promise;\n\n\tvar section;\n  var view;\n  var offset;\n\tvar fragment;\n\tvar cfi = this.epubcfi.isCfiString(target);\n\n\tvar visible;\n\n\tsection = this.book.spine.get(target);\n\n\tif(!section){\n\t\tdisplaying.reject(new Error(\"No Section Found\"));\n\t\treturn displayed;\n\t}\n\n\t// Check to make sure the section we want isn't already shown\n\tvisible = this.views.find(section);\n\n\tif(visible) {\n\t\toffset = view.locationOf(target);\n\t\tdisplayed = this.moveTo(offset)\n\t\t\t.then(function(){\n\t\t\t\treturn this.check();\n\t\t\t});\n\t} else {\n\n\t\t// Hide all current views\n\t\tthis.views.hide();\n\n\t\t// Create a new view\n\t\t// view = new View(section, this.viewSettings);\n\t\tview = this.createView(section);\n\n\t\t// This will clear all previous views\n\t\tdisplayed = this.fill(view)\n\t\t\t.then(function(){\n\n\t\t\t\t// Parse the target fragment\n\t\t\t\tif(typeof target === \"string\" &&\n\t\t\t\t\ttarget.indexOf(\"#\") > -1) {\n\t\t\t\t\t\tfragment = target.substring(target.indexOf(\"#\")+1);\n\t\t\t\t}\n\n\t\t\t\t// Move to correct place within the section, if needed\n\t\t\t\tif(cfi || fragment) {\n\t\t\t\t\toffset = view.locationOf(target);\n\t\t\t\t\treturn this.moveTo(offset);\n\t\t\t\t}\n\n\t\t\t\tif(typeof this.check === 'function') {\n\t\t\t\t\treturn this.check();\n\t\t\t\t}\n\t\t\t}.bind(this))\n\t\t\t.then(function(){\n\t\t\t\treturn this.hooks.display.trigger(view);\n\t\t\t}.bind(this))\n\t\t\t.then(function(){\n\t\t\t\tthis.views.show();\n\t\t\t}.bind(this));\n\t}\n\n\tdisplayed.then(function(){\n\n\t\tthis.trigger(\"displayed\", section);\n\n\t}.bind(this));\n\n\n\treturn displayed;\n};\n\n// Takes a cfi, fragment or page?\nRendition.prototype.moveTo = function(offset){\n\tthis.scrollBy(offset.left, offset.top);\n};\n\nRendition.prototype.render = function(view, show) {\n\n\tview.create();\n\n\tview.onLayout = this.layout.format.bind(this.layout);\n\n\t// Fit to size of the container, apply padding\n\tthis.resizeView(view);\n\n\t// Render Chain\n\treturn view.render(this.book.request)\n\t\t.then(function(){\n\t\t\treturn this.hooks.content.trigger(view, this);\n\t\t}.bind(this))\n\t\t.then(function(){\n\t\t\treturn this.hooks.layout.trigger(view, this);\n\t\t}.bind(this))\n\t\t.then(function(){\n\t\t\treturn view.display();\n\t\t}.bind(this))\n\t\t.then(function(){\n\t\t\treturn this.hooks.render.trigger(view, this);\n\t\t}.bind(this))\n\t\t.then(function(){\n\t\t\tif(show !== false && this.views.hidden === false) {\n\t\t\t\tthis.q.enqueue(function(view){\n\t\t\t\t\tview.show();\n\t\t\t\t}, view);\n\t\t\t}\n\n\n\t\t\t// this.map = new Map(view, this.layout);\n\t\t\tthis.hooks.show.trigger(view, this);\n\t\t\tthis.trigger(\"rendered\", view.section);\n\n\t\t}.bind(this))\n\t\t.catch(function(e){\n\t\t\tthis.trigger(\"loaderror\", e);\n\t\t}.bind(this));\n\n};\n\n\nRendition.prototype.afterDisplayed = function(view){\n\tthis.trigger(\"added\", view.section);\n};\n\nRendition.prototype.fill = function(view){\n\n\tthis.views.clear();\n\n\tthis.views.append(view);\n\n\t// view.on(\"shown\", this.afterDisplayed.bind(this));\n\tview.onDisplayed = this.afterDisplayed.bind(this);\n\n\treturn this.render(view);\n};\n\nRendition.prototype.resizeView = function(view) {\n\n\tif(this.globalLayoutProperties.layout === \"pre-paginated\") {\n\t\tview.lock(\"both\", this.stage.width, this.stage.height);\n\t} else {\n\t\tview.lock(\"width\", this.stage.width, this.stage.height);\n\t}\n\n};\n\nRendition.prototype.stageSize = function(_width, _height){\n\tvar bounds;\n\tvar width = _width || this.settings.width;\n\tvar height = _height || this.settings.height;\n\n\t// If width or height are set to false, inherit them from containing element\n\tif(width === false) {\n\t\tbounds = this.element.getBoundingClientRect();\n\n\t\tif(bounds.width) {\n\t\t\twidth = bounds.width;\n\t\t\tthis.container.style.width = bounds.width + \"px\";\n\t\t}\n\t}\n\n\tif(height === false) {\n\t\tbounds = bounds || this.element.getBoundingClientRect();\n\n\t\tif(bounds.height) {\n\t\t\theight = bounds.height;\n\t\t\tthis.container.style.height = bounds.height + \"px\";\n\t\t}\n\n\t}\n\n\tif(width && !core.isNumber(width)) {\n\t\tbounds = this.container.getBoundingClientRect();\n\t\twidth = bounds.width;\n\t\t//height = bounds.height;\n\t}\n\n\tif(height && !core.isNumber(height)) {\n\t\tbounds = bounds || this.container.getBoundingClientRect();\n\t\t//width = bounds.width;\n\t\theight = bounds.height;\n\t}\n\n\n\tthis.containerStyles = window.getComputedStyle(this.container);\n\tthis.containerPadding = {\n\t\tleft: parseFloat(this.containerStyles[\"padding-left\"]) || 0,\n\t\tright: parseFloat(this.containerStyles[\"padding-right\"]) || 0,\n\t\ttop: parseFloat(this.containerStyles[\"padding-top\"]) || 0,\n\t\tbottom: parseFloat(this.containerStyles[\"padding-bottom\"]) || 0\n\t};\n\n\tthis.stage = {\n\t\twidth: width -\n\t\t\t\t\t\tthis.containerPadding.left -\n\t\t\t\t\t\tthis.containerPadding.right,\n\t\theight: height -\n\t\t\t\t\t\tthis.containerPadding.top -\n\t\t\t\t\t\tthis.containerPadding.bottom\n\t};\n\n\treturn this.stage;\n\n};\n\nRendition.prototype.applyLayoutMethod = function() {\n\n\tthis.layout = new Layout.Scroll();\n\tthis.updateLayout();\n\n\tthis.map = new Map(this.layout);\n};\n\nRendition.prototype.updateLayout = function() {\n\n\tthis.layout.calculate(this.stage.width, this.stage.height);\n\n};\n\nRendition.prototype.resize = function(width, height){\n\n\tthis.stageSize(width, height);\n\n\tthis.updateLayout();\n\n\tthis.views.each(this.resizeView.bind(this));\n\n\tthis.trigger(\"resized\", {\n\t\twidth: this.stage.width,\n\t\theight: this.stage.height\n\t});\n\n};\n\nRendition.prototype.onResized = function(e) {\n\tthis.resize();\n};\n\nRendition.prototype.createView = function(section) {\n\t// Transfer the existing hooks\n\tsection.hooks.serialize.register(this.hooks.serialize.list());\n\n\treturn new View(section, this.viewSettings);\n};\n\nRendition.prototype.next = function(){\n\n\treturn this.q.enqueue(function(){\n\n\t\tvar next;\n\t\tvar view;\n\n\t\tif(!this.views.length) return;\n\n\t\tnext = this.views.last().section.next();\n\n\t\tif(next) {\n\t\t\tview = this.createView(next);\n\t\t\treturn this.fill(view);\n\t\t}\n\n\t});\n\n};\n\nRendition.prototype.prev = function(){\n\n\treturn this.q.enqueue(function(){\n\n\t\tvar prev;\n\t\tvar view;\n\n\t\tif(!this.views.length) return;\n\n\t\tprev = this.views.first().section.prev();\n\t\tif(prev) {\n\t\t\tview = this.createView(prev);\n\t\t\treturn this.fill(view);\n\t\t}\n\n\t});\n\n};\n\n//-- http://www.idpf.org/epub/fxl/\nRendition.prototype.parseLayoutProperties = function(_metadata){\n\tvar metadata = _metadata || this.book.package.metadata;\n\tvar layout = (this.layoutOveride && this.layoutOveride.layout) || metadata.layout || \"reflowable\";\n\tvar spread = (this.layoutOveride && this.layoutOveride.spread) || metadata.spread || \"auto\";\n\tvar orientation = (this.layoutOveride && this.layoutOveride.orientation) || metadata.orientation || \"auto\";\n\tthis.globalLayoutProperties = {\n\t\tlayout : layout,\n\t\tspread : spread,\n\t\torientation : orientation\n\t};\n\treturn this.globalLayoutProperties;\n};\n\n\nRendition.prototype.current = function(){\n\tvar visible = this.visible();\n\tif(visible.length){\n\t\t// Current is the last visible view\n\t\treturn visible[visible.length-1];\n\t}\n  return null;\n};\n\nRendition.prototype.isVisible = function(view, offsetPrev, offsetNext, _container){\n\tvar position = view.position();\n\tvar container = _container || this.container.getBoundingClientRect();\n\n\tif(this.settings.axis === \"horizontal\" &&\n\t\tposition.right > container.left - offsetPrev &&\n\t\tposition.left < container.right + offsetNext) {\n\n\t\treturn true;\n\n  } else if(this.settings.axis === \"vertical\" &&\n  \tposition.bottom > container.top - offsetPrev &&\n\t\tposition.top < container.bottom + offsetNext) {\n\n\t\treturn true;\n  }\n\n\treturn false;\n\n};\n\nRendition.prototype.visible = function(){\n\tvar container = this.bounds();\n\tvar displayedViews = this.views.displayed();\n  var visible = [];\n  var isVisible;\n  var view;\n\n  for (var i = 0; i < displayedViews.length; i++) {\n    view = displayedViews[i];\n    isVisible = this.isVisible(view, 0, 0, container);\n\n    if(isVisible === true) {\n      visible.push(view);\n    }\n\n  }\n  return visible;\n\n};\n\nRendition.prototype.bounds = function(func) {\n  var bounds;\n\n  if(!this.settings.height) {\n    bounds = core.windowBounds();\n  } else {\n    bounds = this.container.getBoundingClientRect();\n  }\n\n  return bounds;\n};\n\nRendition.prototype.destroy = function(){\n  // Clear the queue\n\tthis.q.clear();\n\n\tthis.views.clear();\n\n\tclearTimeout(this.trimTimeout);\n\tif(this.settings.hidden) {\n\t\tthis.element.removeChild(this.wrapper);\n\t} else {\n\t\tthis.element.removeChild(this.container);\n\t}\n\n};\n\nRendition.prototype.reportLocation = function(){\n  return this.q.enqueue(function(){\n    this.location = this.currentLocation();\n    this.trigger(\"locationChanged\", this.location);\n  }.bind(this));\n};\n\nRendition.prototype.currentLocation = function(){\n  var view;\n  var start, end;\n\n  if(this.views.length) {\n  \tview = this.views.first();\n    // start = container.left - view.position().left;\n    // end = start + this.layout.spread;\n\n    return this.map.page(view);\n  }\n\n};\n\nRendition.prototype.scrollBy = function(x, y, silent){\n  if(silent) {\n    this.ignore = true;\n  }\n\n  if(this.settings.height) {\n\n    if(x) this.container.scrollLeft += x;\n  \tif(y) this.container.scrollTop += y;\n\n  } else {\n  \twindow.scrollBy(x,y);\n  }\n  // console.log(\"scrollBy\", x, y);\n  this.scrolled = true;\n};\n\nRendition.prototype.scrollTo = function(x, y, silent){\n  if(silent) {\n    this.ignore = true;\n  }\n\n  if(this.settings.height) {\n  \tthis.container.scrollLeft = x;\n  \tthis.container.scrollTop = y;\n  } else {\n  \twindow.scrollTo(x,y);\n  }\n  // console.log(\"scrollTo\", x, y);\n  this.scrolled = true;\n  // if(this.container.scrollLeft != x){\n  //   setTimeout(function() {\n  //     this.scrollTo(x, y, silent);\n  //   }.bind(this), 10);\n  //   return;\n  // };\n };\n\nRendition.prototype.passViewEvents = function(view){\n  view.listenedEvents.forEach(function(e){\n\t\tview.on(e, this.triggerViewEvent.bind(this));\n\t}.bind(this));\n\n\tview.on(\"selected\", this.triggerSelectedEvent.bind(this));\n};\n\nRendition.prototype.triggerViewEvent = function(e){\n  this.trigger(e.type, e);\n};\n\nRendition.prototype.triggerSelectedEvent = function(cfirange){\n\tconsole.log(cfirange);\n  this.trigger(\"selected\", cfirange);\n};\n\nRendition.prototype.replacements = function(){\n\t// Wait for loading\n\treturn this.q.enqueue(function () {\n\t\t// Get thes books manifest\n\t\tvar manifest = this.book.package.manifest;\n\t  var manifestArray = Object.keys(manifest).\n\t    map(function (key){\n\t      return manifest[key];\n\t    });\n\n\t  // Exclude HTML\n\t  var items = manifestArray.\n\t    filter(function (item){\n\t      if (item.type != \"application/xhtml+xml\" &&\n\t          item.type != \"text/html\") {\n\t        return true;\n\t      }\n\t    });\n\n\t  // Only CSS\n\t  var css = items.\n\t    filter(function (item){\n\t      if (item.type === \"text/css\") {\n\t        return true;\n\t      }\n\t    });\n\n\t\t// Css Urls\n\t\tvar cssUrls = css.map(function(item) {\n\t\t\treturn item.href;\n\t\t});\n\n\t\t// All Assets Urls\n\t  var urls = items.\n\t    map(function(item) {\n\t      return item.href;\n\t    }.bind(this));\n\n\t\t// Create blob urls for all the assets\n\t  var processing = urls.\n\t    map(function(url) {\n\t\t\t\tvar absolute = URI(url).absoluteTo(this.book.baseUrl).toString();\n\t\t\t\t// Full url from archive base\n\t      return this.book.archive.createUrl(absolute);\n\t    }.bind(this));\n\n\t\t// After all the urls are created\n\t  return RSVP.all(processing).\n\t    then(function(replacementUrls) {\n\n\t\t\t\t// Replace Asset Urls in the text of all css files\n\t\t\t\tcssUrls.forEach(function(href) {\n\t\t\t\t\tthis.replaceCss(href, urls, replacementUrls);\n\t\t    }.bind(this));\n\n\t\t\t\t// Replace Asset Urls in chapters\n\t\t\t\t// by registering a hook after the sections contents has been serialized\n\t      this.hooks.serialize.register(function(output, section) {\n\t\t\t\t\tthis.replaceAssets(section, urls, replacementUrls);\n\t      }.bind(this));\n\n\t    }.bind(this)).catch(function(reason){\n\t      console.error(reason);\n\t    });\n\t}.bind(this));\n};\n\nRendition.prototype.replaceCss = function(href, urls, replacementUrls){\n\t\tvar newUrl;\n\t\tvar indexInUrls;\n\n\t\t// Find the absolute url of the css file\n\t\tvar fileUri = URI(href);\n\t\tvar absolute = fileUri.absoluteTo(this.book.baseUrl).toString();\n\t\t// Get the text of the css file from the archive\n\t\tvar text = this.book.archive.getText(absolute);\n\t\t// Get asset links relative to css file\n\t\tvar relUrls = urls.\n\t\t\tmap(function(assetHref) {\n\t\t\t\tvar assetUri = URI(assetHref).absoluteTo(this.book.baseUrl);\n\t\t\t\tvar relative = assetUri.relativeTo(absolute).toString();\n\t\t\t\treturn relative;\n\t\t\t}.bind(this));\n\n\t\t// Replacements in the css text\n\t\ttext = replace.substitute(text, relUrls, replacementUrls);\n\n\t\t// Get the new url\n\t\tnewUrl = core.createBlobUrl(text, 'text/css');\n\n\t\t// switch the url in the replacementUrls\n\t\tindexInUrls = urls.indexOf(href);\n\t\tif (indexInUrls > -1) {\n\t\t\treplacementUrls[indexInUrls] = newUrl;\n\t\t}\n};\n\nRendition.prototype.replaceAssets = function(section, urls, replacementUrls){\n\tvar fileUri = URI(section.url);\n\t// Get Urls relative to current sections\n\tvar relUrls = urls.\n\t\tmap(function(href) {\n\t\t\tvar assetUri = URI(href).absoluteTo(this.book.baseUrl);\n\t\t\tvar relative = assetUri.relativeTo(fileUri).toString();\n\t\t\treturn relative;\n\t\t}.bind(this));\n\n\n\tsection.output = replace.substitute(section.output, relUrls, replacementUrls);\n};\n//-- Enable binding events to Renderer\nRSVP.EventTarget.mixin(Rendition.prototype);\n\nmodule.exports = Rendition;\n","var URI = require('urijs');\nvar core = require('./core');\n\nfunction base(doc, section){\n  var base;\n  var head;\n\n  if(!doc){\n    return;\n  }\n\n  head = doc.querySelector(\"head\");\n  base = head.querySelector(\"base\");\n\n  if(!base) {\n    base = doc.createElement(\"base\");\n  }\n\n  base.setAttribute(\"href\", section.url);\n  head.insertBefore(base, head.firstChild);\n\n}\n\nfunction links(view, renderer) {\n\n  var links = view.document.querySelectorAll(\"a[href]\");\n  var replaceLinks = function(link){\n    var href = link.getAttribute(\"href\");\n    var linkUri = URI(href);\n    var absolute = linkUri.absoluteTo(view.section.url);\n    var relative = absolute.relativeTo(this.book.baseUrl).toString();\n\n    if(linkUri.protocol()){\n\n      link.setAttribute(\"target\", \"_blank\");\n\n    }else{\n      /*\n      if(baseDirectory) {\n\t\t\t\t// We must ensure that the file:// protocol is preserved for\n\t\t\t\t// local file links, as in certain contexts (such as under\n\t\t\t\t// Titanium), file links without the file:// protocol will not\n\t\t\t\t// work\n\t\t\t\tif (baseUri.protocol === \"file\") {\n\t\t\t\t\trelative = core.resolveUrl(baseUri.base, href);\n\t\t\t\t} else {\n\t\t\t\t\trelative = core.resolveUrl(baseDirectory, href);\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\trelative = href;\n\t\t\t}\n      */\n\n      if(linkUri.fragment()) {\n        // do nothing with fragment yet\n      } else {\n        link.onclick = function(){\n          renderer.display(relative);\n          return false;\n        };\n      }\n\n    }\n  };\n\n  for (var i = 0; i < links.length; i++) {\n    replaceLinks(links[i]);\n  }\n\n\n};\n\nfunction substitute(content, urls, replacements) {\n  urls.forEach(function(url, i){\n    if (url && replacements[i]) {\n      content = content.replace(new RegExp(url, 'g'), replacements[i]);\n    }\n  });\n  return content;\n}\nmodule.exports = {\n  'base': base,\n  'links': links,\n  'substitute': substitute\n};\n","var RSVP = require('rsvp');\nvar URI = require('urijs');\nvar core = require('./core');\n\nfunction request(url, type, withCredentials, headers) {\n  var supportsURL = window.URL;\n  var BLOB_RESPONSE = supportsURL ? \"blob\" : \"arraybuffer\";\n  var uri;\n\n  var deferred = new RSVP.defer();\n\n  var xhr = new XMLHttpRequest();\n\n  //-- Check from PDF.js:\n  //   https://github.com/mozilla/pdf.js/blob/master/web/compatibility.js\n  var xhrPrototype = XMLHttpRequest.prototype;\n\n  var header;\n\n  if (!('overrideMimeType' in xhrPrototype)) {\n    // IE10 might have response, but not overrideMimeType\n    Object.defineProperty(xhrPrototype, 'overrideMimeType', {\n      value: function xmlHttpRequestOverrideMimeType(mimeType) {}\n    });\n  }\n  if(withCredentials) {\n    xhr.withCredentials = true;\n  }\n\n  xhr.open(\"GET\", url, true);\n\n  for(header in headers) {\n    xhr.setRequestHeader(header, headers[header]);\n  }\n\n  xhr.onreadystatechange = handler;\n\n  // If type isn't set, determine it from the file extension\n\tif(!type) {\n\t\turi = URI(url);\n\t\ttype = uri.suffix();\n\t}\n\n  if(type == 'blob'){\n    xhr.responseType = BLOB_RESPONSE;\n  }\n\n  if(type == \"json\") {\n    xhr.setRequestHeader(\"Accept\", \"application/json\");\n  }\n\n  if(core.isXml(type)) {\n\t\txhr.responseType = \"document\";\n\t\txhr.overrideMimeType('text/xml'); // for OPF parsing\n\t}\n\n\tif(type == 'xhtml') {\n\t\txhr.responseType = \"document\";\n\t}\n\n\tif(type == 'html' || type == 'htm') {\n\t\txhr.responseType = \"document\";\n \t}\n\n  if(type == \"binary\") {\n    xhr.responseType = \"arraybuffer\";\n  }\n\n  xhr.send();\n\n  function handler() {\n    if (this.readyState === this.DONE) {\n      if (this.status === 200 || this.responseXML ) { //-- Firefox is reporting 0 for blob urls\n        var r;\n\n        if((this.responseType == '' || this.responseType == 'document')\n            && this.responseXML){\n          r = this.responseXML;\n        } else\n        if(core.isXml(type)){\n          // If this.responseXML wasn't set, try to parse using a DOMParser from text\n          r = new DOMParser().parseFromString(this.response, \"text/xml\");\n        }else\n        if(type == 'xhtml'){\n          r = new DOMParser().parseFromString(this.response, \"application/xhtml+xml\");\n        }else\n        if(type == 'html' || type == 'htm'){\n          r = new DOMParser().parseFromString(this.response, \"text/html\");\n        }else\n        if(type == 'json'){\n          r = JSON.parse(this.response);\n        }else\n        if(type == 'blob'){\n\n          if(supportsURL) {\n            r = this.response;\n          } else {\n            //-- Safari doesn't support responseType blob, so create a blob from arraybuffer\n            r = new Blob([this.response]);\n          }\n\n        }else{\n          r = this.response;\n        }\n\n        deferred.resolve(r);\n      } else {\n        deferred.reject({\n          status: this.status,\n          message : this.response,\n          stack : new Error().stack\n        });\n      }\n    }\n  }\n\n  return deferred.promise;\n};\n\nmodule.exports = request;\n","var RSVP = require('rsvp');\nvar URI = require('urijs');\nvar core = require('./core');\nvar EpubCFI = require('./epubcfi');\nvar Hook = require('./hook');\nvar replacements = require('./replacements');\n\nfunction Section(item, hooks){\n    this.idref = item.idref;\n    this.linear = item.linear;\n    this.properties = item.properties;\n    this.index = item.index;\n    this.href = item.href;\n    this.url = item.url;\n    this.next = item.next;\n    this.prev = item.prev;\n\n    this.epubcfi = new EpubCFI();\n    this.cfiBase = item.cfiBase;\n\n    this.hooks = {};\n    this.hooks.serialize = new Hook(this);\n    this.hooks.content = new Hook(this);\n\n    // Register replacements\n    this.hooks.content.register(replacements.base);\n};\n\n\nSection.prototype.load = function(_request){\n  var request = _request || this.request || require('./request');\n  var loading = new RSVP.defer();\n  var loaded = loading.promise;\n\n  if(this.contents) {\n    loading.resolve(this.contents);\n  } else {\n    request(this.url)\n      .then(function(xml){\n        var base;\n        var directory = URI(this.url).directory();\n\n        this.document = xml;\n        this.contents = xml.documentElement;\n\n        return this.hooks.content.trigger(this.document, this);\n      }.bind(this))\n      .then(function(){\n        loading.resolve(this.contents);\n      }.bind(this))\n      .catch(function(error){\n        loading.reject(error);\n      });\n  }\n\n  return loaded;\n};\n\nSection.prototype.base = function(_document){\n    var task = new RSVP.defer();\n    var base = _document.createElement(\"base\"); // TODO: check if exists\n    var head;\n\n    base.setAttribute(\"href\", this.url);\n\n    if(_document) {\n      head = _document.querySelector(\"head\");\n    }\n    if(head) {\n      head.insertBefore(base, head.firstChild);\n      task.resolve();\n    } else {\n      task.reject(new Error(\"No head to insert into\"));\n    }\n\n\n    return task.promise;\n};\n\nSection.prototype.beforeSectionLoad = function(){\n  // Stub for a hook - replace me for now\n};\n\nSection.prototype.render = function(_request){\n  var rendering = new RSVP.defer();\n  var rendered = rendering.promise;\n  this.output; // TODO: better way to return this from hooks?\n\n  this.load(_request).\n    then(function(contents){\n      var serializer = new XMLSerializer();\n      this.output = serializer.serializeToString(contents);\n      return this.output;\n    }.bind(this)).\n    then(function(){\n      return this.hooks.serialize.trigger(this.output, this);\n    }.bind(this)).\n    then(function(){\n      rendering.resolve(this.output);\n    }.bind(this))\n    .catch(function(error){\n      rendering.reject(error);\n    });\n\n  return rendered;\n};\n\nSection.prototype.find = function(_query){\n\n};\n\n/**\n* Reconciles the current chapters layout properies with\n* the global layout properities.\n* Takes: global layout settings object, chapter properties string\n* Returns: Object with layout properties\n*/\nSection.prototype.reconcileLayoutSettings = function(global){\n  //-- Get the global defaults\n  var settings = {\n    layout : global.layout,\n    spread : global.spread,\n    orientation : global.orientation\n  };\n\n  //-- Get the chapter's display type\n  this.properties.forEach(function(prop){\n    var rendition = prop.replace(\"rendition:\", '');\n    var split = rendition.indexOf(\"-\");\n    var property, value;\n\n    if(split != -1){\n      property = rendition.slice(0, split);\n      value = rendition.slice(split+1);\n\n      settings[property] = value;\n    }\n  });\n return settings;\n};\n\nSection.prototype.cfiFromRange = function(_range) {\n  return this.epubcfi.generateCfiFromRange(_range, this.cfiBase);\n};\n\nSection.prototype.cfiFromElement = function(el) {\n  return this.epubcfi.generateCfiFromElement(el, this.cfiBase);\n};\n\nmodule.exports = Section;\n","var RSVP = require('rsvp');\nvar core = require('./core');\nvar EpubCFI = require('./epubcfi');\nvar Section = require('./section');\n\nfunction Spine(_request){\n  this.request = _request;\n  this.spineItems = [];\n  this.spineByHref = {};\n  this.spineById = {};\n\n};\n\nSpine.prototype.load = function(_package) {\n\n  this.items = _package.spine;\n  this.manifest = _package.manifest;\n  this.spineNodeIndex = _package.spineNodeIndex;\n  this.baseUrl = _package.baseUrl || '';\n  this.length = this.items.length;\n  this.epubcfi = new EpubCFI();\n\n  this.items.forEach(function(item, index){\n    var href, url;\n    var manifestItem = this.manifest[item.idref];\n    var spineItem;\n    item.cfiBase = this.epubcfi.generateChapterComponent(this.spineNodeIndex, item.index, item.idref);\n\n    if(manifestItem) {\n      item.href = manifestItem.href;\n      item.url = this.baseUrl + item.href;\n\n      if(manifestItem.properties.length){\n        item.properties.push.apply(item.properties, manifestItem.properties);\n      }\n    }\n\n    // if(index > 0) {\n      item.prev = function(){ return this.get(index-1); }.bind(this);\n    // }\n\n    // if(index+1 < this.items.length) {\n      item.next = function(){ return this.get(index+1); }.bind(this);\n    // }\n\n    spineItem = new Section(item);\n    this.append(spineItem);\n\n\n  }.bind(this));\n\n};\n\n// book.spine.get();\n// book.spine.get(1);\n// book.spine.get(\"chap1.html\");\n// book.spine.get(\"#id1234\");\nSpine.prototype.get = function(target) {\n  var index = 0;\n\n  if(this.epubcfi.isCfiString(target)) {\n    cfi = this.epubcfi.parse(target);\n    index = cfi.spinePos;\n  } else if(target && (typeof target === \"number\" || isNaN(target) === false)){\n    index = target;\n  } else if(target && target.indexOf(\"#\") === 0) {\n    index = this.spineById[target.substring(1)];\n  } else if(target) {\n    // Remove fragments\n    target = target.split(\"#\")[0];\n    index = this.spineByHref[target];\n  }\n\n  return this.spineItems[index] || null;\n};\n\nSpine.prototype.append = function(section) {\n  var index = this.spineItems.length;\n  section.index = index;\n\n  this.spineItems.push(section);\n\n  this.spineByHref[section.href] = index;\n  this.spineById[section.idref] = index;\n\n  return index;\n};\n\nSpine.prototype.prepend = function(section) {\n  var index = this.spineItems.unshift(section);\n  this.spineByHref[section.href] = 0;\n  this.spineById[section.idref] = 0;\n\n  // Re-index\n  this.spineItems.forEach(function(item, index){\n    item.index = index;\n  });\n\n  return 0;\n};\n\nSpine.prototype.insert = function(section, index) {\n\n};\n\nSpine.prototype.remove = function(section) {\n  var index = this.spineItems.indexOf(section);\n\n  if(index > -1) {\n    delete this.spineByHref[section.href];\n    delete this.spineById[section.idref];\n\n    return this.spineItems.splice(index, 1);\n  }\n};\n\nSpine.prototype.each = function() {\n\treturn this.spineItems.forEach.apply(this.spineItems, arguments);\n};\n\nmodule.exports = Spine;\n","var RSVP = require('rsvp');\nvar URI = require('urijs');\nvar core = require('./core');\nvar request = require('./request');\nvar mime = require('../libs/mime/mime');\n\nfunction Unarchive() {\n\n  this.checkRequirements();\n  this.urlCache = {};\n\n}\n\nUnarchive.prototype.checkRequirements = function(callback){\n  try {\n    if (typeof JSZip !== 'undefined') {\n      this.zip = new JSZip();\n    } else {\n      JSZip = require('jszip');\n      this.zip = new JSZip();\n    }\n  } catch (e) {\n    console.error(\"JSZip lib not loaded\");\n  }\n};\n\nUnarchive.prototype.open = function(zipUrl){\n\tif (zipUrl instanceof ArrayBuffer) {\n    return new RSVP.Promise(function(resolve, reject) {\n      this.zip = new JSZip(zipUrl);\n      resolve(this.zip);\n    });\n\t} else {\n\t\treturn request(zipUrl, \"binary\")\n      .then(function(data){\n\t\t\t  this.zip = new JSZip(data);\n        return this.zip;\n\t\t  }.bind(this));\n\t}\n};\n\nUnarchive.prototype.request = function(url, type){\n  var deferred = new RSVP.defer();\n  var response;\n  var r;\n\n  // If type isn't set, determine it from the file extension\n\tif(!type) {\n\t\turi = URI(url);\n\t\ttype = uri.suffix();\n\t}\n\n  if(type == 'blob'){\n    response = this.getBlob(url);\n  } else {\n    response = this.getText(url);\n  }\n\n  if (response) {\n    r = this.handleResponse(response, type);\n    deferred.resolve(r);\n  } else {\n    deferred.reject({\n      message : \"File not found in the epub: \" + url,\n      stack : new Error().stack\n    });\n  }\n  return deferred.promise;\n};\n\nUnarchive.prototype.handleResponse = function(response, type){\n  var r;\n\n  if(type == \"json\") {\n    r = JSON.parse(response);\n  }\n  else\n  if(core.isXml(type)) {\n    r = new DOMParser().parseFromString(response, \"text/xml\");\n\t}\n  else\n\tif(type == 'xhtml') {\n    r = new DOMParser().parseFromString(response, \"application/xhtml+xml\");\n\t}\n  else\n\tif(type == 'html' || type == 'htm') {\n    r = new DOMParser().parseFromString(response, \"text/html\");\n \t} else {\n \t  r = response;\n \t}\n\n  return r;\n};\n\nUnarchive.prototype.getBlob = function(url, _mimeType){\n\tvar decodededUrl = window.decodeURIComponent(url.substr(1)); // Remove first slash\n\tvar entry = this.zip.file(decodededUrl);\n  var mimeType;\n\n\tif(entry) {\n    mimeType = _mimeType || mime.lookup(entry.name);\n    return new Blob([entry.asUint8Array()], {type : mimeType});\n\t}\n};\n\nUnarchive.prototype.getText = function(url, encoding){\n\tvar decodededUrl = window.decodeURIComponent(url.substr(1)); // Remove first slash\n\tvar entry = this.zip.file(decodededUrl);\n\n\tif(entry) {\n    return entry.asText();\n\t}\n};\n\nUnarchive.prototype.createUrl = function(url, mime){\n\tvar deferred = new RSVP.defer();\n\tvar _URL = window.URL || window.webkitURL || window.mozURL;\n\tvar tempUrl;\n\tvar blob;\n\n\tif(url in this.urlCache) {\n\t\tdeferred.resolve(this.urlCache[url]);\n\t\treturn deferred.promise;\n\t}\n\n\tblob = this.getBlob(url);\n\n  if (blob) {\n    tempUrl = _URL.createObjectURL(blob);\n    deferred.resolve(tempUrl);\n    this.urlCache[url] = tempUrl;\n  } else {\n    deferred.reject({\n      message : \"File not found in the epub: \" + url,\n      stack : new Error().stack\n    });\n  }\n\n\treturn deferred.promise;\n};\n\nUnarchive.prototype.revokeUrl = function(url){\n\tvar _URL = window.URL || window.webkitURL || window.mozURL;\n\tvar fromCache = this.urlCache[url];\n\tif(fromCache) _URL.revokeObjectURL(fromCache);\n};\n\nmodule.exports = Unarchive;\n","var RSVP = require('rsvp');\nvar core = require('./core');\nvar EpubCFI = require('./epubcfi');\n\nfunction View(section, options) {\n  this.settings = options || {};\n\n  this.id = \"epubjs-view:\" + core.uuid();\n  this.section = section;\n  this.index = section.index;\n\n  this.element = document.createElement('div');\n  this.element.classList.add(\"epub-view\");\n\n\n  // this.element.style.minHeight = \"100px\";\n  this.element.style.height = \"0px\";\n  this.element.style.width = \"0px\";\n  this.element.style.overflow = \"hidden\";\n\n  this.added = false;\n  this.displayed = false;\n  this.rendered = false;\n\n  //this.width  = 0;\n  //this.height = 0;\n\n  // Blank Cfi for Parsing\n  this.epubcfi = new EpubCFI();\n\n  if(this.settings.axis && this.settings.axis == \"horizontal\"){\n    this.element.style.display = \"inline-block\";\n  } else {\n    this.element.style.display = \"block\";\n  }\n\n  // Dom events to listen for\n  this.listenedEvents = [\"keydown\", \"keyup\", \"keypressed\", \"mouseup\", \"mousedown\", \"click\", \"touchend\", \"touchstart\"];\n\n};\n\nView.prototype.create = function() {\n\n  if(this.iframe) {\n    return this.iframe;\n  }\n\n  this.iframe = document.createElement('iframe');\n  this.iframe.id = this.id;\n  this.iframe.scrolling = \"no\"; // Might need to be removed: breaks ios width calculations\n  this.iframe.style.overflow = \"hidden\";\n  this.iframe.seamless = \"seamless\";\n  // Back up if seamless isn't supported\n  this.iframe.style.border = \"none\";\n\n  this.resizing = true;\n\n  // this.iframe.style.display = \"none\";\n  this.element.style.visibility = \"hidden\";\n  this.iframe.style.visibility = \"hidden\";\n\n  this.iframe.style.width = \"0\";\n  this.iframe.style.height = \"0\";\n  this._width = 0;\n  this._height = 0;\n\n  this.element.appendChild(this.iframe);\n  this.added = true;\n\n  this.elementBounds = core.bounds(this.element);\n\n  // if(width || height){\n  //   this.resize(width, height);\n  // } else if(this.width && this.height){\n  //   this.resize(this.width, this.height);\n  // } else {\n  //   this.iframeBounds = core.bounds(this.iframe);\n  // }\n\n  // Firefox has trouble with baseURI and srcdoc\n  // Disabled for now\n  /*\n  if(!!(\"srcdoc\" in this.iframe)) {\n    this.supportsSrcdoc = true;\n  } else {\n    this.supportsSrcdoc = false;\n  }\n  */\n  this.supportsSrcdoc = false;\n\n  return this.iframe;\n};\n\n\nView.prototype.lock = function(what, width, height) {\n\n  var elBorders = core.borders(this.element);\n  var iframeBorders;\n\n  if(this.iframe) {\n    iframeBorders = core.borders(this.iframe);\n  } else {\n    iframeBorders = {width: 0, height: 0};\n  }\n\n  if(what == \"width\" && core.isNumber(width)){\n    this.lockedWidth = width - elBorders.width - iframeBorders.width;\n    this.resize(this.lockedWidth, width); //  width keeps ratio correct\n  }\n\n  if(what == \"height\" && core.isNumber(height)){\n    this.lockedHeight = height - elBorders.height - iframeBorders.height;\n    this.resize(width, this.lockedHeight);\n  }\n\n  if(what === \"both\" &&\n     core.isNumber(width) &&\n     core.isNumber(height)){\n\n    this.lockedWidth = width - elBorders.width - iframeBorders.width;\n    this.lockedHeight = height - elBorders.height - iframeBorders.height;\n\n    this.resize(this.lockedWidth, this.lockedHeight);\n  }\n\n  if(this.displayed && this.iframe) {\n\n      this.layout();\n      this.expand();\n\n  }\n\n\n\n};\n\nView.prototype.expand = function(force) {\n  var width = this.lockedWidth;\n  var height = this.lockedHeight;\n\n  var textWidth, textHeight;\n  // console.log(\"expanding a\")\n  if(!this.iframe || this._expanding) return;\n\n  this._expanding = true;\n\n  // Expand Horizontally\n  if(height && !width) {\n    // Get the width of the text\n    textWidth = this.textWidth();\n    // Check if the textWidth has changed\n    if(textWidth != this._textWidth){\n      // Get the contentWidth by resizing the iframe\n      // Check with a min reset of the textWidth\n      width = this.contentWidth(textWidth);\n      // Save the textWdith\n      this._textWidth = textWidth;\n      // Save the contentWidth\n      this._contentWidth = width;\n    } else {\n      // Otherwise assume content height hasn't changed\n      width = this._contentWidth;\n    }\n  }\n\n  // Expand Vertically\n  if(width && !height) {\n    textHeight = this.textHeight();\n    if(textHeight != this._textHeight){\n      height = this.contentHeight(textHeight);\n      this._textHeight = textHeight;\n      this._contentHeight = height;\n    } else {\n      height = this._contentHeight;\n    }\n  }\n\n  // Only Resize if dimensions have changed or\n  // if Frame is still hidden, so needs reframing\n  if(this._needsReframe || width != this._width || height != this._height){\n    this.resize(width, height);\n  }\n\n  this._expanding = false;\n};\n\nView.prototype.contentWidth = function(min) {\n  var prev;\n  var width;\n\n  // Save previous width\n  prev = this.iframe.style.width;\n  // Set the iframe size to min, width will only ever be greater\n  // Will preserve the aspect ratio\n  this.iframe.style.width = (min || 0) + \"px\";\n  // Get the scroll overflow width\n  width = this.document.body.scrollWidth;\n  // Reset iframe size back\n  this.iframe.style.width = prev;\n  return width;\n};\n\nView.prototype.contentHeight = function(min) {\n  var prev;\n  var height;\n\n  prev = this.iframe.style.height;\n  this.iframe.style.height = (min || 0) + \"px\";\n  height = this.document.body.scrollHeight;\n  this.iframe.style.height = prev;\n  return height;\n};\n\nView.prototype.textWidth = function() {\n  var width;\n  var range = this.document.createRange();\n\n  // Select the contents of frame\n  range.selectNodeContents(this.document.body);\n\n  // get the width of the text content\n  width = range.getBoundingClientRect().width;\n  return width;\n\n};\n\nView.prototype.textHeight = function() {\n  var height;\n  var range = this.document.createRange();\n\n  range.selectNodeContents(this.document.body);\n\n  height = range.getBoundingClientRect().height;\n  return height;\n};\n\nView.prototype.resize = function(width, height) {\n\n  if(!this.iframe) return;\n\n  if(core.isNumber(width)){\n    this.iframe.style.width = width + \"px\";\n    this._width = width;\n  }\n\n  if(core.isNumber(height)){\n    this.iframe.style.height = height + \"px\";\n    this._height = height;\n  }\n\n  this.iframeBounds = core.bounds(this.iframe);\n\n  this.reframe(this.iframeBounds.width, this.iframeBounds.height);\n\n};\n\nView.prototype.reframe = function(width, height) {\n  //var prevBounds;\n\n  if(!this.displayed) {\n    this._needsReframe = true;\n    return;\n  }\n\n  if(core.isNumber(width)){\n    this.element.style.width = width + \"px\";\n  }\n\n  if(core.isNumber(height)){\n    this.element.style.height = height + \"px\";\n  }\n\n  this.prevBounds = this.elementBounds;\n\n  this.elementBounds = core.bounds(this.element);\n\n  this.trigger(\"resized\", {\n    width: this.elementBounds.width,\n    height: this.elementBounds.height,\n    widthDelta: this.elementBounds.width - this.prevBounds.width,\n    heightDelta: this.elementBounds.height - this.prevBounds.height,\n  });\n\n};\n\nView.prototype.resized = function(e) {\n  /*\n  if (!this.resizing) {\n    if(this.iframe) {\n      // this.expand();\n    }\n  } else {\n    this.resizing = false;\n  }*/\n\n};\n\nView.prototype.render = function(_request) {\n\n  // if(this.rendering){\n  //   return this.displayed;\n  // }\n\n  this.rendering = true;\n  // this.displayingDefer = new RSVP.defer();\n  // this.displayedPromise = this.displaying.promise;\n\n  return this.section.render(_request)\n    .then(function(contents){\n      return this.load(contents);\n    }.bind(this));\n};\n\nView.prototype.load = function(contents) {\n  var loading = new RSVP.defer();\n  var loaded = loading.promise;\n\n  if(!this.iframe) {\n    loading.reject(new Error(\"No Iframe Available\"));\n    return loaded;\n  }\n\n  this.iframe.onload = function(event) {\n\n    this.window = this.iframe.contentWindow;\n    this.document = this.iframe.contentDocument;\n    this.rendering = false;\n    loading.resolve(this);\n\n  }.bind(this);\n\n  if(this.supportsSrcdoc){\n    this.iframe.srcdoc = contents;\n  } else {\n\n    this.document = this.iframe.contentDocument;\n\n    if(!this.document) {\n      loading.reject(new Error(\"No Document Available\"));\n      return loaded;\n    }\n\n    this.document.open();\n    this.document.write(contents);\n    this.document.close();\n\n  }\n\n  return loaded;\n};\n\n\nView.prototype.layout = function(layoutFunc) {\n\n  this.iframe.style.display = \"inline-block\";\n\n  // Reset Body Styles\n  this.document.body.style.margin = \"0\";\n  //this.document.body.style.display = \"inline-block\";\n  //this.document.documentElement.style.width = \"auto\";\n\n  if(layoutFunc){\n    layoutFunc(this);\n  }\n\n  this.onLayout(this);\n\n};\n\nView.prototype.onLayout = function(view) {\n  // stub\n};\n\nView.prototype.listeners = function() {\n  /*\n  setTimeout(function(){\n    this.window.addEventListener(\"resize\", this.resized.bind(this), false);\n  }.bind(this), 10); // Wait to listen for resize events\n  */\n\n  // Wait for fonts to load to finish\n  // http://dev.w3.org/csswg/css-font-loading/\n  // Not implemented fully except in chrome\n\n  if(this.document.fonts && this.document.fonts.status === \"loading\") {\n    // console.log(\"fonts unloaded\");\n    this.document.fonts.onloadingdone = function(){\n      // console.log(\"loaded fonts\");\n      this.expand();\n    }.bind(this);\n  }\n\n  if(this.section.properties.indexOf(\"scripted\") > -1){\n    this.observer = this.observe(this.document.body);\n  }\n\n  this.imageLoadListeners();\n\n  this.mediaQueryListeners();\n\n  // this.resizeListenters();\n\n  this.addEventListeners();\n\n  this.addSelectionListeners();\n};\n\nView.prototype.removeListeners = function() {\n\n  this.removeEventListeners();\n\n  this.removeSelectionListeners();\n};\n\nView.prototype.resizeListenters = function() {\n  // Test size again\n  clearTimeout(this.expanding);\n  this.expanding = setTimeout(this.expand.bind(this), 350);\n};\n\n//https://github.com/tylergaw/media-query-events/blob/master/js/mq-events.js\nView.prototype.mediaQueryListeners = function() {\n    var sheets = this.document.styleSheets;\n    var mediaChangeHandler = function(m){\n      if(m.matches && !this._expanding) {\n        setTimeout(this.expand.bind(this), 1);\n        // this.expand();\n      }\n    }.bind(this);\n\n    for (var i = 0; i < sheets.length; i += 1) {\n        var rules = sheets[i].cssRules;\n        if(!rules) return; // Stylesheets changed\n        for (var j = 0; j < rules.length; j += 1) {\n            //if (rules[j].constructor === CSSMediaRule) {\n            if(rules[j].media){\n                var mql = this.window.matchMedia(rules[j].media.mediaText);\n                mql.addListener(mediaChangeHandler);\n                //mql.onchange = mediaChangeHandler;\n            }\n        }\n    }\n};\n\nView.prototype.observe = function(target) {\n  var renderer = this;\n\n  // create an observer instance\n  var observer = new MutationObserver(function(mutations) {\n    if(renderer._expanding) {\n      renderer.expand();\n    }\n    // mutations.forEach(function(mutation) {\n    //   console.log(mutation);\n    // });\n  });\n\n  // configuration of the observer:\n  var config = { attributes: true, childList: true, characterData: true, subtree: true };\n\n  // pass in the target node, as well as the observer options\n  observer.observe(target, config);\n\n  return observer;\n};\n\n// View.prototype.appendTo = function(element) {\n//   this.element = element;\n//   this.element.appendChild(this.iframe);\n// };\n//\n// View.prototype.prependTo = function(element) {\n//   this.element = element;\n//   element.insertBefore(this.iframe, element.firstChild);\n// };\n\nView.prototype.imageLoadListeners = function(target) {\n  var images = this.document.body.querySelectorAll(\"img\");\n  var img;\n  for (var i = 0; i < images.length; i++) {\n    img = images[i];\n\n    if (typeof img.naturalWidth !== \"undefined\" &&\n        img.naturalWidth === 0) {\n      img.onload = this.expand.bind(this);\n    }\n  }\n};\n\nView.prototype.display = function() {\n  var displayed = new RSVP.defer();\n\n  this.displayed = true;\n\n  this.layout();\n\n  this.listeners();\n\n  this.expand();\n\n  this.trigger(\"displayed\", this);\n  this.onDisplayed(this);\n\n  displayed.resolve(this);\n\n  return displayed.promise;\n};\n\nView.prototype.show = function() {\n\n  this.element.style.visibility = \"visible\";\n\n  if(this.iframe){\n    this.iframe.style.visibility = \"visible\";\n  }\n\n  this.trigger(\"shown\", this);\n};\n\nView.prototype.hide = function() {\n  // this.iframe.style.display = \"none\";\n  this.element.style.visibility = \"hidden\";\n  this.iframe.style.visibility = \"hidden\";\n\n  this.stopExpanding = true;\n  this.trigger(\"hidden\", this);\n};\n\nView.prototype.position = function() {\n  return this.element.getBoundingClientRect();\n};\n\nView.prototype.onDisplayed = function(view) {\n  // Stub, override with a custom functions\n};\n\nView.prototype.bounds = function() {\n  if(!this.elementBounds) {\n    this.elementBounds = core.bounds(this.element);\n  }\n  return this.elementBounds;\n};\n\nView.prototype.destroy = function() {\n  // Stop observing\n  if(this.observer) {\n    this.observer.disconnect();\n  }\n\n  if(this.displayed){\n    this.removeListeners();\n\n    this.stopExpanding = true;\n    this.element.removeChild(this.iframe);\n    this.displayed = false;\n    this.iframe = null;\n\n    this._textWidth = null;\n    this._textHeight = null;\n    this._width = null;\n    this._height = null;\n  }\n  // this.element.style.height = \"0px\";\n  // this.element.style.width = \"0px\";\n};\n\nView.prototype.root = function() {\n  if(!this.document) return null;\n  return this.document.documentElement;\n};\n\nView.prototype.locationOf = function(target) {\n  var parentPos = this.iframe.getBoundingClientRect();\n  var targetPos = {\"left\": 0, \"top\": 0};\n\n  if(!this.document) return;\n\n  if(this.epubcfi.isCfiString(target)) {\n    cfi = this.epubcfi.parse(target);\n\n    if(typeof document.evaluate === 'undefined') {\n      marker = this.epubcfi.addMarker(cfi, this.document);\n      if(marker) {\n        // Must Clean up Marker before going to page\n        this.epubcfi.removeMarker(marker, this.document);\n\n        targetPos = marker.getBoundingClientRect();\n      }\n    } else {\n      range = this.epubcfi.generateRangeFromCfi(cfi, this.document);\n      if(range) {\n        targetPos = range.getBoundingClientRect();\n      }\n    }\n  } else if(typeof target === \"string\" &&\n    target.indexOf(\"#\") > -1) {\n\n    id = target.substring(target.indexOf(\"#\")+1);\n    el = this.document.getElementById(id);\n\n    if(el) {\n      targetPos = el.getBoundingClientRect();\n    }\n  }\n\n  return {\n    \"left\": window.scrollX + parentPos.left + targetPos.left,\n    \"top\": window.scrollY + parentPos.top + targetPos.top\n  };\n};\n\nView.prototype.addCss = function(src) {\n  return new RSVP.Promise(function(resolve, reject){\n    var $stylesheet;\n    var ready = false;\n\n    if(!this.document) {\n      resolve(false);\n      return;\n    }\n\n    $stylesheet = this.document.createElement('link');\n    $stylesheet.type = 'text/css';\n    $stylesheet.rel = \"stylesheet\";\n    $stylesheet.href = src;\n    $stylesheet.onload = $stylesheet.onreadystatechange = function() {\n      if ( !ready && (!this.readyState || this.readyState == 'complete') ) {\n        ready = true;\n        // Let apply\n        setTimeout(function(){\n          resolve(true);\n        }, 1);\n      }\n    };\n\n    this.document.head.appendChild($stylesheet);\n\n  }.bind(this));\n};\n\n// https://developer.mozilla.org/en-US/docs/Web/API/CSSStyleSheet/insertRule\nView.prototype.addStylesheetRules = function(rules) {\n  var styleEl;\n  var styleSheet;\n\n  if(!this.document) return;\n\n  styleEl = this.document.createElement('style');\n\n  // Append style element to head\n  this.document.head.appendChild(styleEl);\n\n  // Grab style sheet\n  styleSheet = styleEl.sheet;\n\n  for (var i = 0, rl = rules.length; i < rl; i++) {\n    var j = 1, rule = rules[i], selector = rules[i][0], propStr = '';\n    // If the second argument of a rule is an array of arrays, correct our variables.\n    if (Object.prototype.toString.call(rule[1][0]) === '[object Array]') {\n      rule = rule[1];\n      j = 0;\n    }\n\n    for (var pl = rule.length; j < pl; j++) {\n      var prop = rule[j];\n      propStr += prop[0] + ':' + prop[1] + (prop[2] ? ' !important' : '') + ';\\n';\n    }\n\n    // Insert CSS Rule\n    styleSheet.insertRule(selector + '{' + propStr + '}', styleSheet.cssRules.length);\n  }\n};\n\nView.prototype.addScript = function(src) {\n\n  return new RSVP.Promise(function(resolve, reject){\n    var $script;\n    var ready = false;\n\n    if(!this.document) {\n      resolve(false);\n      return;\n    }\n\n    $script = this.document.createElement('script');\n    $script.type = 'text/javascript';\n    $script.async = true;\n    $script.src = src;\n    $script.onload = $script.onreadystatechange = function() {\n      if ( !ready && (!this.readyState || this.readyState == 'complete') ) {\n        ready = true;\n        setTimeout(function(){\n          resolve(true);\n        }, 1);\n      }\n    };\n\n    this.document.head.appendChild($script);\n\n  }.bind(this));\n};\n\nView.prototype.addEventListeners = function(){\n  if(!this.document) {\n    return;\n  }\n  this.listenedEvents.forEach(function(eventName){\n    this.document.addEventListener(eventName, this.triggerEvent.bind(this), false);\n  }, this);\n\n};\n\nView.prototype.removeEventListeners = function(){\n  if(!this.document) {\n    return;\n  }\n  this.listenedEvents.forEach(function(eventName){\n    this.document.removeEventListener(eventName, this.triggerEvent, false);\n  }, this);\n\n};\n\n// Pass browser events\nView.prototype.triggerEvent = function(e){\n  this.trigger(e.type, e);\n};\n\nView.prototype.addSelectionListeners = function(){\n  if(!this.document) {\n    return;\n  }\n  this.document.addEventListener(\"selectionchange\", this.onSelectionChange.bind(this), false);\n};\n\nView.prototype.removeSelectionListeners = function(){\n  if(!this.document) {\n    return;\n  }\n  this.document.removeEventListener(\"selectionchange\", this.onSelectionChange, false);\n};\n\nView.prototype.onSelectionChange = function(e){\n  if (this.selectionEndTimeout) {\n    clearTimeout(this.selectionEndTimeout);\n  }\n  this.selectionEndTimeout = setTimeout(function() {\n    var selection = this.window.getSelection();\n    this.triggerSelectedEvent(selection);\n  }.bind(this), 500);\n};\n\nView.prototype.triggerSelectedEvent = function(selection){\n\tvar range = selection.getRangeAt(0);\n\tconsole.log(range);\n\tvar cfirange = this.section.cfiFromRange(range);\n  this.trigger(\"selected\", cfirange);\n};\n\nRSVP.EventTarget.mixin(View.prototype);\n\nmodule.exports = View;\n","function Views(container) {\n  this.container = container;\n  this._views = [];\n  this.length = 0;\n  this.hidden = false;\n};\n\nViews.prototype.first = function() {\n\treturn this._views[0];\n};\n\nViews.prototype.last = function() {\n\treturn this._views[this._views.length-1];\n};\n\nViews.prototype.each = function() {\n\treturn this._views.forEach.apply(this._views, arguments);\n};\n\nViews.prototype.indexOf = function(view) {\n\treturn this._views.indexOf(view);\n};\n\nViews.prototype.slice = function() {\n\treturn this._views.slice.apply(this._views, arguments);\n};\n\nViews.prototype.get = function(i) {\n\treturn this._views[i];\n};\n\nViews.prototype.append = function(view){\n\tthis._views.push(view);\n\tthis.container.appendChild(view.element);\n  this.length++;\n  return view;\n};\n\nViews.prototype.prepend = function(view){\n\tthis._views.unshift(view);\n\tthis.container.insertBefore(view.element, this.container.firstChild);\n  this.length++;\n  return view;\n};\n\nViews.prototype.insert = function(view, index) {\n\tthis._views.splice(index, 0, view);\n\n\tif(index < this.container.children.length){\n\t\tthis.container.insertBefore(view.element, this.container.children[index]);\n\t} else {\n\t\tthis.container.appendChild(view.element);\n\t}\n  this.length++;\n  return view;\n};\n\nViews.prototype.remove = function(view) {\n\tvar index = this._views.indexOf(view);\n\n\tif(index > -1) {\n\t\tthis._views.splice(index, 1);\n\t}\n\n\n\tthis.destroy(view);\n\n  this.length--;\n};\n\nViews.prototype.destroy = function(view) {\n\tview.off(\"resized\");\n\n\tif(view.displayed){\n\t\tview.destroy();\n\t}\n\n\tthis.container.removeChild(view.element);\n\tview = null;\n};\n\n// Iterators\n\nViews.prototype.clear = function(){\n\t// Remove all views\n  var view;\n  var len = this.length;\n\n  if(!this.length) return;\n\n  for (var i = 0; i < len; i++) {\n    view = this._views[i];\n\t\tthis.destroy(view);\n  }\n\n  this._views = [];\n  this.length = 0;\n};\n\nViews.prototype.find = function(section){\n\n  var view;\n  var len = this.length;\n\n  for (var i = 0; i < len; i++) {\n    view = this._views[i];\n\t\tif(view.displayed && view.section.index == section.index) {\n\t\t\treturn view;\n\t\t}\n  }\n\n};\n\nViews.prototype.displayed = function(){\n  var displayed = [];\n  var view;\n  var len = this.length;\n\n  for (var i = 0; i < len; i++) {\n    view = this._views[i];\n    if(view.displayed){\n      displayed.push(view);\n    }\n  }\n  return displayed;\n};\n\nViews.prototype.show = function(){\n  var view;\n  var len = this.length;\n\n  for (var i = 0; i < len; i++) {\n    view = this._views[i];\n    if(view.displayed){\n      view.show();\n    }\n  }\n  this.hidden = false;\n};\n\nViews.prototype.hide = function(){\n  var view;\n  var len = this.length;\n\n  for (var i = 0; i < len; i++) {\n    view = this._views[i];\n    if(view.displayed){\n      view.hide();\n    }\n  }\n  this.hidden = true;\n};\n\nmodule.exports = Views;\n","if (typeof EPUBJS === 'undefined') {\n\t(typeof window !== 'undefined' ? window : global).EPUBJS = {};\n}\n\nEPUBJS.VERSION = \"0.3.0\";\n\nvar Book = require('./book');\n\nfunction ePub(_url) {\n\treturn new Book(_url);\n};\n\nmodule.exports = ePub;\n"]}
\ No newline at end of file
diff --git a/gulpfile.js b/gulpfile.js
index fad4ac1..2584766 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -18,7 +18,7 @@ var sourcemaps = require('gulp-sourcemaps');
 
 var size = require('gulp-size');
 var URI = require('urijs');
-
+var mochify = require('mochify');
 // https://github.com/mishoo/UglifyJS2/pull/265
 // uglify.AST_Node.warn_function = function() {};
 
@@ -60,8 +60,12 @@ gulp.task('serve', function() {
   server();
 });
 
-gulp.task('test', function() {
-
+gulp.task('test', function(cb) {
+  mochify('./test/*.js', {
+    reporter: 'spec',
+    watch: true
+  })
+  .bundle();
 });
 
 // Default
diff --git a/src/epubcfi.js b/src/epubcfi.js
index 12ee3ea..c4605e3 100644
--- a/src/epubcfi.js
+++ b/src/epubcfi.js
@@ -71,11 +71,12 @@ function EpubCFI(cfiFrom, base, options){
     this.fromNode(cfiFrom);
   } else if (type === 'EpubCFI') {
     return cfiFrom;
+  } else if (!cfiFrom) {
+    return this;
   } else {
     throw new TypeError('not a valid argument for EpubCFI');
   }
 
-  return this;
 };
 
 EpubCFI.prototype.checkType = function(cfi) {
@@ -85,9 +86,9 @@ EpubCFI.prototype.checkType = function(cfi) {
       cfi[cfi.length-1] === ")") {
     return 'string';
   // Is a range object
-  } else if (typeof cfi === 'object' && cfi.startContainer && cfi.startOffset){
+} else if (typeof cfi === 'object' && cfi instanceof window.Range){
     return 'range';
-  } else if (typeof cfi === 'object' && cfi.nodeType){ // || typeof cfi === 'function'
+  } else if (typeof cfi === 'object' && cfi instanceof window.Node ){ // || typeof cfi === 'function'
     return 'node';
   } else if (typeof cfi === 'object' && cfi instanceof EpubCFI){
     return 'EpubCFI';
@@ -317,4 +318,53 @@ EpubCFI.prototype.toString = function() {
   return cfiString;
 };
 
+EpubCFI.prototype.compare = function(cfiOne, cfiTwo) {
+  if(typeof cfiOne === 'string') {
+    cfiOne = new EpubCFI(cfiOne);
+  }
+  if(typeof cfiTwo === 'string') {
+    cfiTwo = new EpubCFI(cfiTwo);
+  }
+  // Compare Spine Positions
+  if(cfiOne.spinePos > cfiTwo.spinePos) {
+    return 1;
+  }
+  if(cfiOne.spinePos < cfiTwo.spinePos) {
+    return -1;
+  }
+
+
+  // Compare Each Step in the First item
+  for (var i = 0; i < cfiOne.path.steps.length; i++) {
+    if(!cfiTwo.path.steps[i]) {
+      return 1;
+    }
+    if(cfiOne.path.steps[i].index > cfiTwo.path.steps[i].index) {
+      return 1;
+    }
+    if(cfiOne.path.steps[i].index < cfiTwo.path.steps[i].index) {
+      return -1;
+    }
+    // Otherwise continue checking
+  }
+
+  // All steps in First present in Second
+  if(cfiOne.path.steps.length < cfiTwo.path.steps.length) {
+    return -1;
+  }
+
+  // Compare the charecter offset of the text node
+  if(cfiOne.path.terminal.offset > cfiTwo.path.terminal.offset) {
+    return 1;
+  }
+  if(cfiOne.path.terminal.offset < cfiTwo.path.terminal.offset) {
+    return -1;
+  }
+
+  // TODO: compare ranges
+
+  // CFI's are equal
+  return 0;
+};
+
 module.exports = EpubCFI;
diff --git a/test/epubcfi.js b/test/epubcfi.js
index 9eff9c9..7a59b45 100644
--- a/test/epubcfi.js
+++ b/test/epubcfi.js
@@ -4,34 +4,47 @@ var assert = require('assert');
 describe('EpubCFI', function() {
   var EpubCFI = require('../src/epubcfi.js');
 
-  describe('EpubCFI()', function() {
+	it('parse a cfi on init', function() {
+		var cfi = EpubCFI("epubcfi(/6/2[cover]!/6)");
+
+		assert.equal( cfi.spinePos, 0, "spinePos is parsed as the first item" );
+	});
+
+	it('parse a cfi and ignore the base if present', function() {
+		var cfi = EpubCFI("epubcfi(/6/2[cover]!/6)", "/6/6[end]");
+
+		assert.equal( cfi.spinePos, 0, "base is ignored and spinePos is parsed as the first item" );
+	});
+
+  describe('#parse()', function() {
+		var cfi = new EpubCFI();
 
 		it('parse a cfi on init', function() {
-      var cfi = EpubCFI("epubcfi(/6/2[cover]!/6)");
+      var parsed = cfi.parse("epubcfi(/6/2[cover]!/6)");
 
-      assert.equal( cfi.spinePos, 0, "spinePos is parsed as the first item" );
+      assert.equal( parsed.spinePos, 0, "spinePos is parsed as the first item" );
     });
 
 		it('parse a cfi and ignore the base if present', function() {
-      var cfi = EpubCFI("epubcfi(/6/2[cover]!/6)", "/6/6[end]");
+      var parsed = cfi.parse("epubcfi(/6/2[cover]!/6)", "/6/6[end]");
 
-      assert.equal( cfi.spinePos, 0, "base is ignored and spinePos is parsed as the first item" );
+      assert.equal( parsed.spinePos, 0, "base is ignored and spinePos is parsed as the first item" );
     });
 
 		it('parse a cfi with a charecter offset', function() {
-      var cfi = EpubCFI("epubcfi(/6/4[chap01ref]!/4[body01]/10[para05]/2/1:3)");
+      var parsed = cfi.parse("epubcfi(/6/4[chap01ref]!/4[body01]/10[para05]/2/1:3)");
 
-      assert.equal( cfi.path.terminal.offset, 3, "Path has a terminal offset of 3" );
+      assert.equal( parsed.path.terminal.offset, 3, "Path has a terminal offset of 3" );
     });
 
 		it('parse a cfi with a range', function() {
-      var cfi = EpubCFI("epubcfi(/6/4[chap01ref]!/4[body01]/10[para05],/2/1:1,/3:4)");
+      var parsed = cfi.parse("epubcfi(/6/4[chap01ref]!/4[body01]/10[para05],/2/1:1,/3:4)");
 
-			assert.equal( cfi.range, true, "Range is true" );
-			assert.equal( cfi.start.steps.length, 2, "Start steps are present" );
-      assert.equal( cfi.end.steps.length, 1, "End steps are present" );
-			assert.equal( cfi.start.terminal.offset, 1, "Start has a terminal offset of 1" );
-			assert.equal( cfi.end.terminal.offset, 4, "End has a terminal offset of 4" );
+			assert.equal( parsed.range, true, "Range is true" );
+			assert.equal( parsed.start.steps.length, 2, "Start steps are present" );
+      assert.equal( parsed.end.steps.length, 1, "End steps are present" );
+			assert.equal( parsed.start.terminal.offset, 1, "Start has a terminal offset of 1" );
+			assert.equal( parsed.end.terminal.offset, 4, "End has a terminal offset of 4" );
 
     });
 
@@ -47,4 +60,76 @@ describe('EpubCFI', function() {
     });
   });
 
+	describe('#checkType()', function() {
+    it('determine the type of a cfi string', function() {
+			var cfi = new EpubCFI();
+
+			assert.equal( cfi.checkType('epubcfi(/6/2[cover]!/6)'), 'string' );
+			assert.equal( cfi.checkType('/6/2[cover]!/6'), false );
+
+    });
+
+		it('determine the type of a cfi', function() {
+			var ogcfi = EpubCFI("epubcfi(/6/4[chap01ref]!/4[body01]/10[para05]/2/1:3)");
+			var cfi = new EpubCFI();
+
+			assert.equal( cfi.checkType(ogcfi), 'EpubCFI' );
+
+		});
+
+		it('determine the type of a node', function() {
+			var cfi = new EpubCFI();
+			var el = document.createElement('div');
+
+			assert.equal( cfi.checkType(el), 'node' );
+
+		});
+
+		it('determine the type of a range', function() {
+			var cfi = new EpubCFI();
+			var range = document.createRange();
+
+			assert.equal( cfi.checkType(range), 'range' );
+
+		});
+
+  });
+
+	describe('#compare()', function() {
+    it('compare CFIs', function() {
+			var epubcfi = new EpubCFI();
+
+			// Spines
+			assert.equal(epubcfi.compare("epubcfi(/6/4[cover]!/4)", "epubcfi(/6/2[cover]!/4)"), 1, "First spine is greater");
+			assert.equal(epubcfi.compare("epubcfi(/6/4[cover]!/4)", "epubcfi(/6/6[cover]!/4)"), -1, "Second spine is greater");
+
+			// First is deeper
+			assert.equal(epubcfi.compare("epubcfi(/6/2[cover]!/8/2)", "epubcfi(/6/2[cover]!/6)"), 1, "First Element is greater");
+			assert.equal(epubcfi.compare("epubcfi(/6/2[cover]!/4/2)", "epubcfi(/6/2[cover]!/6)"), -1, "Second Element is greater");
+
+			// Second is deeper
+			assert.equal(epubcfi.compare("epubcfi(/6/2[cover]!/8/2)", "epubcfi(/6/2[cover]!/6/4/2/2)"), 1, "First Element is greater");
+			assert.equal(epubcfi.compare("epubcfi(/6/2[cover]!/4/4)", "epubcfi(/6/2[cover]!/6/4/2/2)"), -1, "Second Element is greater");
+			assert.equal(epubcfi.compare("epubcfi(/6/2[cover]!/4/6)", "epubcfi(/6/2[cover]!/4/6/8/1:0)"), -1, "Second");
+
+			// Same Depth
+			assert.equal(epubcfi.compare("epubcfi(/6/2[cover]!/6/8)", "epubcfi(/6/2[cover]!/6/2)"), 1, "First Element is greater");
+			assert.equal(epubcfi.compare("epubcfi(/6/2[cover]!/4/20)", "epubcfi(/6/2[cover]!/6/10)"), -1, "Second Element is greater");
+
+			// Text nodes
+			assert.equal(epubcfi.compare("epubcfi(/6/2[cover]!/4/5)", "epubcfi(/6/2[cover]!/4/3)"), 1, "First TextNode is greater");
+			assert.equal(epubcfi.compare("epubcfi(/6/2[cover]!/4/7)", "epubcfi(/6/2[cover]!/4/13)"), -1, "Second TextNode is greater");
+
+			// Char offset
+			assert.equal(epubcfi.compare("epubcfi(/6/2[cover]!/4/5:1)", "epubcfi(/6/2[cover]!/4/5:0)"), 1, "First Char Offset is greater");
+			assert.equal(epubcfi.compare("epubcfi(/6/2[cover]!/4/5:2)", "epubcfi(/6/2[cover]!/4/5:30)"), -1, "Second Char Offset is greater");
+
+			// Normal example
+			assert.equal(epubcfi.compare("epubcfi(/6/2[cover]!/4/8/5:1)", "epubcfi(/6/2[cover]!/4/6/15:2)"), 1, "First Element is greater");
+			assert.equal(epubcfi.compare("epubcfi(/6/2[cover]!/4/8/1:0)", "epubcfi(/6/2[cover]!/4/8/1:0)"), 0, "All Equal");
+
+    });
+  });
+
+	
 });