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updated cfi to handle text nodes and character offset

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This commit is contained in:
fchasen 2014-01-29 11:04:48 -08:00
parent 0a0a13f5f5
commit 73ac66ba65
19 changed files with 529 additions and 228 deletions
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2
books

@ -1 +1 @@
Subproject commit ab9755a74714b647290c861f666515de220935d8
Subproject commit 09bd1725f5839996e747cf83500a2526b86ae6af

214
build/epub.js
View file

@ -3047,12 +3047,21 @@ EPUBJS.core.resolveUrl = function(base, path) {
return url.join("/");
};
// http://stackoverflow.com/questions/105034/how-to-create-a-guid-uuid-in-javascript
EPUBJS.core.uuid = function() {
var d = new Date().getTime();
var uuid = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
var r = (d + Math.random()*16)%16 | 0;
d = Math.floor(d/16);
return (c=='x' ? r : (r&0x7|0x8)).toString(16);
});
return uuid;
};
EPUBJS.EpubCFI = function(cfiStr){
if(cfiStr) return this.parse(cfiStr);
};
EPUBJS.EpubCFI.prototype.generateChapter = function(_spineNodeIndex, _pos, id) {
EPUBJS.EpubCFI.prototype.generateChapterComponent = function(_spineNodeIndex, _pos, id) {
var pos = parseInt(_pos),
spineNodeIndex = _spineNodeIndex + 1,
cfi = '/'+spineNodeIndex+'/';
@ -3061,27 +3070,23 @@ EPUBJS.EpubCFI.prototype.generateChapter = function(_spineNodeIndex, _pos, id) {
if(id) cfi += "[" + id + "]";
cfi += "!";
//cfi += "!";
return cfi;
};
EPUBJS.EpubCFI.prototype.generatePathComponent = function(steps) {
var parts = [];
EPUBJS.EpubCFI.prototype.generateFragment = function(element, chapter) {
var path = this.pathTo(element),
parts = [];
if(chapter) parts.push(chapter);
path.forEach(function(part){
steps.forEach(function(part){
var segment = '';
segment += (part.index + 1) * 2;
if(part.id &&
part.id.slice(0, 6) != "EPUBJS") { //-- ignore internal @EPUBJS ids
if(part.id && part.id.slice(0, 6) === "EPUBJS") {
//-- ignore internal @EPUBJS ids for
return;
} else if(part.id) {
segment += "[" + part.id + "]";
}
parts.push(segment);
@ -3090,6 +3095,13 @@ EPUBJS.EpubCFI.prototype.generateFragment = function(element, chapter) {
return parts.join('/');
};
EPUBJS.EpubCFI.prototype.generateCfiFromElement = function(element, chapter) {
var steps = this.pathTo(element);
var path = this.generatePathComponent(steps);
return "epubcfi(" + chapter + "!" + path + ")";
};
EPUBJS.EpubCFI.prototype.pathTo = function(node) {
var stack = [],
children;
@ -3110,110 +3122,152 @@ EPUBJS.EpubCFI.prototype.pathTo = function(node) {
return stack;
};
EPUBJS.EpubCFI.prototype.getChapter = function(cfiStr) {
EPUBJS.EpubCFI.prototype.getChapterComponent = function(cfiStr) {
var splitStr = cfiStr.split("!");
return splitStr[0];
};
EPUBJS.EpubCFI.prototype.getFragment = function(cfiStr) {
EPUBJS.EpubCFI.prototype.getPathComponent = function(cfiStr) {
var splitStr = cfiStr.split("!");
var pathComponent = splitStr[1] ? splitStr[1].split(":") : '';
return splitStr[1];
return pathComponent[0];
};
EPUBJS.EpubCFI.prototype.getOffset = function(cfiStr) {
EPUBJS.EpubCFI.prototype.getCharecterOffsetComponent = function(cfiStr) {
var splitStr = cfiStr.split(":");
return [splitStr[0], splitStr[1]];
return splitStr[1] || '';
};
EPUBJS.EpubCFI.prototype.parse = function(cfiStr) {
var cfi = {},
chapSegment,
chapterComponent,
pathComponent,
charecterOffsetComponent,
assertion,
chapId,
path,
end,
text;
cfi.chapter = this.getChapter(cfiStr);
if(cfiStr.indexOf("epubcfi(") === 0) {
// Remove intial epubcfi( and ending )
cfiStr = cfiStr.slice(8, cfiStr.length-1);
}
chapSegment = parseInt(cfi.chapter.split("/")[2]) || false;
cfi.fragment = this.getFragment(cfiStr);
if(!chapSegment || !cfi.fragment) return {spinePos: -1};
chapterComponent = this.getChapterComponent(cfiStr);
pathComponent = this.getPathComponent(cfiStr);
charecterOffsetComponent = this.getCharecterOffsetComponent(cfiStr);
// Make sure this is a valid cfi or return
if(!chapterComponent.length || !pathComponent.length) {
return {spinePos: -1};
}
// Chapter segment is always the second one
chapSegment = chapterComponent.split("/")[2] || '';
if(!chapSegment) return {spinePos:-1};
cfi.spinePos = (parseInt(chapSegment) / 2 - 1 ) || 0;
chapId = cfi.chapter.match(/\[(.*)\]/);
chapId = chapSegment.match(/\[(.*)\]/);
cfi.spineId = chapId ? chapId[1] : false;
path = cfi.fragment.split('/');
end = path[path.length-1];
cfi.sections = [];
//-- Check for Character Offset
if(parseInt(end) % 2){
text = this.getOffset();
cfi.text = parseInt(text[0]);
cfi.character = parseInt(text[1]);
path.pop(); //-- remove from path to element
if(pathComponent.indexOf(',') != -1) {
// Handle ranges -- not supported yet
console.warn("CFI Ranges are not supported");
}
path = pathComponent.split('/');
end = path[path.length-1];
cfi.steps = [];
path.forEach(function(part){
var index, has_id, id;
var type, index, has_brackets, id;
if(!part) return;
//-- Check if this is a text node or element
if(parseInt(part) % 2){
type = "text";
index = parseInt(part) - 1;
} else {
type = "element";
index = parseInt(part) / 2 - 1;
has_id = part.match(/\[(.*)\]/);
if(has_id && has_id[1]){
id = has_id[1];
has_brackets = part.match(/\[(.*)\]/);
if(has_brackets && has_brackets[1]){
id = has_brackets[1];
}
}
cfi.sections.push({
cfi.steps.push({
"type" : type,
'index' : index,
'id' : id || false
});
assertion = charecterOffsetComponent.match(/\[(.*)\]/);
if(assertion && assertion[1]){
cfi.characterOffset = parseInt(charecterOffsetComponent.split('[')[0]);
// We arent handling these assertions yet
cfi.textLocationAssertion = assertion[1];
} else {
cfi.characterOffset = parseInt(charecterOffsetComponent);
}
});
return cfi;
};
EPUBJS.EpubCFI.prototype.getElement = function(cfi, _doc) {
var doc = _doc || document,
sections = cfi.sections,
element = doc.getElementsByTagName('html')[0],
children = Array.prototype.slice.call(element.children),
num, index, part,
has_id, id;
num, index, part, sections,
text, textBegin, textEnd;
// sections.shift(); //-- html
if(typeof cfi === 'string') {
cfi = this.parse(cfi);
}
sections = cfi.steps;
while(sections && sections.length > 0) {
part = sections.shift();
if(part.id){
element = doc.getElementById(part.id);
// Wrap text elements in a span and return that new element
if(part.type === "text") {
text = element.childNodes[part.index];
element = doc.createElement('span');
element.id = "EPUBJS-CFI-MARKER:"+ EPUBJS.core.uuid();
if(cfi.characterOffset) {
textBegin = doc.createTextNode(text.textContent.slice(0, cfi.characterOffset));
textEnd = doc.createTextNode(text.textContent.slice(cfi.characterOffset));
text.parentNode.insertBefore(textEnd, text);
text.parentNode.insertBefore(element, textEnd);
text.parentNode.insertBefore(textBegin, element);
text.parentNode.removeChild(text);
} else {
text.parentNode.insertBefore(element, text);
}
// sort cut to find element by id
} else if(part.id){
element = doc.getElementById(part.id);
// find element in parent
}else{
element = children[part.index];
if(!children) console.error("No Kids", element);
element = children[part.index];
}
@ -3224,7 +3278,44 @@ EPUBJS.EpubCFI.prototype.getElement = function(cfi, _doc) {
return element;
};
//-- Todo: function to remove IDs to sort
EPUBJS.EpubCFI.prototype.compare = function(cfiOne, cfiTwo) {
if(typeof cfiOne === 'string') {
cfiOne = this.parse(cfiOne);
}
if(typeof cfiTwo === 'string') {
cfiTwo = this.parse(cfiTwo);
}
// Compare Spine Positions
if(cfiOne.spinePos > cfiTwo.spinePos) {
return 1;
}
if(cfiOne.spinePos < cfiTwo.spinePos) {
return -1;
}
// Compare Each Step
for (var i = 0; i < cfiOne.steps.length; i++) {
if(!cfiTwo.steps[i]) {
return 1;
}
if(cfiOne.steps[i].index > cfiTwo.steps[i].index) {
return 1;
}
if(cfiOne.steps[i].index < cfiTwo.steps[i].index) {
return -1;
}
// Otherwise continue checking
}
// Compare the charecter offset of the text node
if(cfiOne.characterOffset > cfiTwo.characterOffset) {
return 1;
}
if(cfiOne.characterOffset < cfiTwo.characterOffset) {
return -1;
}
// CFI's are equal
return 0;
};
EPUBJS.Events = function(obj, el){
this.events = {};
@ -3538,6 +3629,11 @@ EPUBJS.Layout.Fixed.prototype.calculatePages = function(){
pageCount : 1
};
};
EPUBJS.Navigation = function() {
};
// percentage at cfi, nearest page to Cfi, total pages and goto page.
EPUBJS.Parser = function(baseUrl){
this.baseUrl = baseUrl || '';
@ -3759,7 +3855,7 @@ EPUBJS.Parser.prototype.spine = function(spineXml, manifest){
//-- Add to array to mantain ordering and cross reference with manifest
items.forEach(function(item, index){
var Id = item.getAttribute('idref');
var cfiBase = epubcfi.generateChapter(spineNodeIndex, index, Id);
var cfiBase = epubcfi.generateChapterComponent(spineNodeIndex, index, Id);
var props = item.getAttribute('properties') || '';
var propArray = props.length ? props.split(' ') : [];
var manifestProps = manifest[Id].properties;
@ -4528,7 +4624,7 @@ EPUBJS.Renderer.prototype.walk = function(node) {
EPUBJS.Renderer.prototype.getPageCfi = function(prevEl){
this.visibileEl = this.findFirstVisible(prevEl);
return this.epubcfi.generateFragment(this.visibileEl, this.currentChapter.cfiBase);
return this.epubcfi.generateCfiFromElement(this.visibileEl, this.currentChapter.cfiBase);
};
// Goto a cfi position in the current chapter

6
build/epub.min.js vendored
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214
build/epub_no_underscore.js
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@ -3046,12 +3046,21 @@ EPUBJS.core.resolveUrl = function(base, path) {
return url.join("/");
};
// http://stackoverflow.com/questions/105034/how-to-create-a-guid-uuid-in-javascript
EPUBJS.core.uuid = function() {
var d = new Date().getTime();
var uuid = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
var r = (d + Math.random()*16)%16 | 0;
d = Math.floor(d/16);
return (c=='x' ? r : (r&0x7|0x8)).toString(16);
});
return uuid;
};
EPUBJS.EpubCFI = function(cfiStr){
if(cfiStr) return this.parse(cfiStr);
};
EPUBJS.EpubCFI.prototype.generateChapter = function(_spineNodeIndex, _pos, id) {
EPUBJS.EpubCFI.prototype.generateChapterComponent = function(_spineNodeIndex, _pos, id) {
var pos = parseInt(_pos),
spineNodeIndex = _spineNodeIndex + 1,
cfi = '/'+spineNodeIndex+'/';
@ -3060,27 +3069,23 @@ EPUBJS.EpubCFI.prototype.generateChapter = function(_spineNodeIndex, _pos, id) {
if(id) cfi += "[" + id + "]";
cfi += "!";
//cfi += "!";
return cfi;
};
EPUBJS.EpubCFI.prototype.generatePathComponent = function(steps) {
var parts = [];
EPUBJS.EpubCFI.prototype.generateFragment = function(element, chapter) {
var path = this.pathTo(element),
parts = [];
if(chapter) parts.push(chapter);
path.forEach(function(part){
steps.forEach(function(part){
var segment = '';
segment += (part.index + 1) * 2;
if(part.id &&
part.id.slice(0, 6) != "EPUBJS") { //-- ignore internal @EPUBJS ids
if(part.id && part.id.slice(0, 6) === "EPUBJS") {
//-- ignore internal @EPUBJS ids for
return;
} else if(part.id) {
segment += "[" + part.id + "]";
}
parts.push(segment);
@ -3089,6 +3094,13 @@ EPUBJS.EpubCFI.prototype.generateFragment = function(element, chapter) {
return parts.join('/');
};
EPUBJS.EpubCFI.prototype.generateCfiFromElement = function(element, chapter) {
var steps = this.pathTo(element);
var path = this.generatePathComponent(steps);
return "epubcfi(" + chapter + "!" + path + ")";
};
EPUBJS.EpubCFI.prototype.pathTo = function(node) {
var stack = [],
children;
@ -3109,110 +3121,152 @@ EPUBJS.EpubCFI.prototype.pathTo = function(node) {
return stack;
};
EPUBJS.EpubCFI.prototype.getChapter = function(cfiStr) {
EPUBJS.EpubCFI.prototype.getChapterComponent = function(cfiStr) {
var splitStr = cfiStr.split("!");
return splitStr[0];
};
EPUBJS.EpubCFI.prototype.getFragment = function(cfiStr) {
EPUBJS.EpubCFI.prototype.getPathComponent = function(cfiStr) {
var splitStr = cfiStr.split("!");
var pathComponent = splitStr[1] ? splitStr[1].split(":") : '';
return splitStr[1];
return pathComponent[0];
};
EPUBJS.EpubCFI.prototype.getOffset = function(cfiStr) {
EPUBJS.EpubCFI.prototype.getCharecterOffsetComponent = function(cfiStr) {
var splitStr = cfiStr.split(":");
return [splitStr[0], splitStr[1]];
return splitStr[1] || '';
};
EPUBJS.EpubCFI.prototype.parse = function(cfiStr) {
var cfi = {},
chapSegment,
chapterComponent,
pathComponent,
charecterOffsetComponent,
assertion,
chapId,
path,
end,
text;
cfi.chapter = this.getChapter(cfiStr);
if(cfiStr.indexOf("epubcfi(") === 0) {
// Remove intial epubcfi( and ending )
cfiStr = cfiStr.slice(8, cfiStr.length-1);
}
chapSegment = parseInt(cfi.chapter.split("/")[2]) || false;
cfi.fragment = this.getFragment(cfiStr);
if(!chapSegment || !cfi.fragment) return {spinePos: -1};
chapterComponent = this.getChapterComponent(cfiStr);
pathComponent = this.getPathComponent(cfiStr);
charecterOffsetComponent = this.getCharecterOffsetComponent(cfiStr);
// Make sure this is a valid cfi or return
if(!chapterComponent.length || !pathComponent.length) {
return {spinePos: -1};
}
// Chapter segment is always the second one
chapSegment = chapterComponent.split("/")[2] || '';
if(!chapSegment) return {spinePos:-1};
cfi.spinePos = (parseInt(chapSegment) / 2 - 1 ) || 0;
chapId = cfi.chapter.match(/\[(.*)\]/);
chapId = chapSegment.match(/\[(.*)\]/);
cfi.spineId = chapId ? chapId[1] : false;
path = cfi.fragment.split('/');
end = path[path.length-1];
cfi.sections = [];
//-- Check for Character Offset
if(parseInt(end) % 2){
text = this.getOffset();
cfi.text = parseInt(text[0]);
cfi.character = parseInt(text[1]);
path.pop(); //-- remove from path to element
if(pathComponent.indexOf(',') != -1) {
// Handle ranges -- not supported yet
console.warn("CFI Ranges are not supported");
}
path = pathComponent.split('/');
end = path[path.length-1];
cfi.steps = [];
path.forEach(function(part){
var index, has_id, id;
var type, index, has_brackets, id;
if(!part) return;
//-- Check if this is a text node or element
if(parseInt(part) % 2){
type = "text";
index = parseInt(part) - 1;
} else {
type = "element";
index = parseInt(part) / 2 - 1;
has_id = part.match(/\[(.*)\]/);
if(has_id && has_id[1]){
id = has_id[1];
has_brackets = part.match(/\[(.*)\]/);
if(has_brackets && has_brackets[1]){
id = has_brackets[1];
}
}
cfi.sections.push({
cfi.steps.push({
"type" : type,
'index' : index,
'id' : id || false
});
assertion = charecterOffsetComponent.match(/\[(.*)\]/);
if(assertion && assertion[1]){
cfi.characterOffset = parseInt(charecterOffsetComponent.split('[')[0]);
// We arent handling these assertions yet
cfi.textLocationAssertion = assertion[1];
} else {
cfi.characterOffset = parseInt(charecterOffsetComponent);
}
});
return cfi;
};
EPUBJS.EpubCFI.prototype.getElement = function(cfi, _doc) {
var doc = _doc || document,
sections = cfi.sections,
element = doc.getElementsByTagName('html')[0],
children = Array.prototype.slice.call(element.children),
num, index, part,
has_id, id;
num, index, part, sections,
text, textBegin, textEnd;
// sections.shift(); //-- html
if(typeof cfi === 'string') {
cfi = this.parse(cfi);
}
sections = cfi.steps;
while(sections && sections.length > 0) {
part = sections.shift();
if(part.id){
element = doc.getElementById(part.id);
// Wrap text elements in a span and return that new element
if(part.type === "text") {
text = element.childNodes[part.index];
element = doc.createElement('span');
element.id = "EPUBJS-CFI-MARKER:"+ EPUBJS.core.uuid();
if(cfi.characterOffset) {
textBegin = doc.createTextNode(text.textContent.slice(0, cfi.characterOffset));
textEnd = doc.createTextNode(text.textContent.slice(cfi.characterOffset));
text.parentNode.insertBefore(textEnd, text);
text.parentNode.insertBefore(element, textEnd);
text.parentNode.insertBefore(textBegin, element);
text.parentNode.removeChild(text);
} else {
text.parentNode.insertBefore(element, text);
}
// sort cut to find element by id
} else if(part.id){
element = doc.getElementById(part.id);
// find element in parent
}else{
element = children[part.index];
if(!children) console.error("No Kids", element);
element = children[part.index];
}
@ -3223,7 +3277,44 @@ EPUBJS.EpubCFI.prototype.getElement = function(cfi, _doc) {
return element;
};
//-- Todo: function to remove IDs to sort
EPUBJS.EpubCFI.prototype.compare = function(cfiOne, cfiTwo) {
if(typeof cfiOne === 'string') {
cfiOne = this.parse(cfiOne);
}
if(typeof cfiTwo === 'string') {
cfiTwo = this.parse(cfiTwo);
}
// Compare Spine Positions
if(cfiOne.spinePos > cfiTwo.spinePos) {
return 1;
}
if(cfiOne.spinePos < cfiTwo.spinePos) {
return -1;
}
// Compare Each Step
for (var i = 0; i < cfiOne.steps.length; i++) {
if(!cfiTwo.steps[i]) {
return 1;
}
if(cfiOne.steps[i].index > cfiTwo.steps[i].index) {
return 1;
}
if(cfiOne.steps[i].index < cfiTwo.steps[i].index) {
return -1;
}
// Otherwise continue checking
}
// Compare the charecter offset of the text node
if(cfiOne.characterOffset > cfiTwo.characterOffset) {
return 1;
}
if(cfiOne.characterOffset < cfiTwo.characterOffset) {
return -1;
}
// CFI's are equal
return 0;
};
EPUBJS.Events = function(obj, el){
this.events = {};
@ -3537,6 +3628,11 @@ EPUBJS.Layout.Fixed.prototype.calculatePages = function(){
pageCount : 1
};
};
EPUBJS.Navigation = function() {
};
// percentage at cfi, nearest page to Cfi, total pages and goto page.
EPUBJS.Parser = function(baseUrl){
this.baseUrl = baseUrl || '';
@ -3758,7 +3854,7 @@ EPUBJS.Parser.prototype.spine = function(spineXml, manifest){
//-- Add to array to mantain ordering and cross reference with manifest
items.forEach(function(item, index){
var Id = item.getAttribute('idref');
var cfiBase = epubcfi.generateChapter(spineNodeIndex, index, Id);
var cfiBase = epubcfi.generateChapterComponent(spineNodeIndex, index, Id);
var props = item.getAttribute('properties') || '';
var propArray = props.length ? props.split(' ') : [];
var manifestProps = manifest[Id].properties;
@ -4527,7 +4623,7 @@ EPUBJS.Renderer.prototype.walk = function(node) {
EPUBJS.Renderer.prototype.getPageCfi = function(prevEl){
this.visibileEl = this.findFirstVisible(prevEl);
return this.epubcfi.generateFragment(this.visibileEl, this.currentChapter.cfiBase);
return this.epubcfi.generateCfiFromElement(this.visibileEl, this.currentChapter.cfiBase);
};
// Goto a cfi position in the current chapter

12
build/hooks.js
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@ -217,10 +217,16 @@ EPUBJS.Hooks.register("beforeChapterDisplay").smartimages = function(callback, r
item.style.maxHeight = newHeight + "px";
item.style.width= "auto";
}else{
newHeight = (height < iheight ? height : iheight);
item.style.maxHeight = newHeight + "px";
item.style.marginTop = iheight - top + "px";
if(height > iheight) {
item.style.maxHeight = iheight + "px";
item.style.width= "auto";
itemRect = item.getBoundingClientRect();
height = itemRect.height;
}
item.style.display = "block";
item.style["WebkitColumnBreakBefore"] = "always";
item.style["breakBefore"] = "column";
}
item.setAttribute('data-height', newHeight);

2
build/hooks.min.js vendored
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@ -1 +1 @@
EPUBJS.Hooks.register("beforeChapterDisplay").endnotes=function(a,b){var c=b.contents.querySelectorAll("a[href]"),d=Array.prototype.slice.call(c),e="epub:type",f="noteref",g=EPUBJS.core.folder(location.pathname),h=g+EPUBJS.cssPath||g,i={};EPUBJS.core.addCss(h+"popup.css",!1,b.render.document.head),d.forEach(function(a){function c(){var c,e=b.height,f=b.width,j=225;o||(c=l.cloneNode(!0),o=c.querySelector("p")),i[k]||(i[k]=document.createElement("div"),i[k].setAttribute("class","popup"),pop_content=document.createElement("div"),i[k].appendChild(pop_content),pop_content.appendChild(o),pop_content.setAttribute("class","pop_content"),chapter.bodyEl.appendChild(i[k]),i[k].addEventListener("mouseover",d,!1),i[k].addEventListener("mouseout",g,!1),b.on("renderer:pageChanged",h,this),b.on("renderer:pageChanged",g,this)),c=i[k],itemRect=a.getBoundingClientRect(),m=itemRect.left,n=itemRect.top,c.classList.add("show"),popRect=c.getBoundingClientRect(),c.style.left=m-popRect.width/2+"px",c.style.top=n+"px",j>e/2.5&&(j=e/2.5,pop_content.style.maxHeight=j+"px"),popRect.height+n>=e-25?(c.style.top=n-popRect.height+"px",c.classList.add("above")):c.classList.remove("above"),m-popRect.width<=0?(c.style.left=m+"px",c.classList.add("left")):c.classList.remove("left"),m+popRect.width/2>=f?(c.style.left=m-300+"px",popRect=c.getBoundingClientRect(),c.style.left=m-popRect.width+"px",popRect.height+n>=e-25?(c.style.top=n-popRect.height+"px",c.classList.add("above")):c.classList.remove("above"),c.classList.add("right")):c.classList.remove("right")}function d(){i[k].classList.add("on")}function g(){i[k].classList.remove("on")}function h(){setTimeout(function(){i[k].classList.remove("show")},100)}var j,k,l,m,n,o,p=a.getAttribute(e);p==f&&(j=a.getAttribute("href"),k=j.replace("#",""),l=b.render.document.getElementById(k),a.addEventListener("mouseover",c,!1),a.addEventListener("mouseout",h,!1))}),a&&a()},EPUBJS.Hooks.register("beforeChapterDisplay").mathml=function(a,b){if(-1!==b.currentChapter.manifestProperties.indexOf("mathml")){b.iframe.contentWindow.mathmlCallback=a;var c=document.createElement("script");c.type="text/x-mathjax-config",c.innerHTML=' MathJax.Hub.Register.StartupHook("End",function () { window.mathmlCallback(); }); MathJax.Hub.Config({jax: ["input/TeX","input/MathML","output/SVG"],extensions: ["tex2jax.js","mml2jax.js","MathEvents.js"],TeX: {extensions: ["noErrors.js","noUndefined.js","autoload-all.js"]},MathMenu: {showRenderer: false},menuSettings: {zoom: "Click"},messageStyle: "none"}); ',b.doc.body.appendChild(c),EPUBJS.core.addScript("http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML",null,b.doc.head)}else a&&a()},EPUBJS.Hooks.register("beforeChapterDisplay").smartimages=function(a,b){var c=b.contents.querySelectorAll("img"),d=Array.prototype.slice.call(c),e=b.height;return"reflowable"!=b.layoutSettings.layout?(a(),void 0):(d.forEach(function(a){function c(){var c,d=a.getBoundingClientRect(),f=d.height,g=d.top,h=a.getAttribute("data-height"),i=h||f,j=Number(getComputedStyle(a,"").fontSize.match(/(\d*(\.\d*)?)px/)[1]),k=j?j/2:0;e=b.contents.clientHeight,0>g&&(g=0),i+g>=e?(e/2>g?(c=e-g-k,a.style.maxHeight=c+"px",a.style.width="auto"):(c=e>i?i:e,a.style.maxHeight=c+"px",a.style.marginTop=e-g+"px",a.style.width="auto"),a.setAttribute("data-height",c)):(a.style.removeProperty("max-height"),a.style.removeProperty("margin-top"))}a.addEventListener("load",c,!1),b.on("renderer:resized",c),b.on("renderer:chapterUnloaded",function(){a.removeEventListener("load",c),b.off("renderer:resized",c)}),c()}),a&&a(),void 0)},EPUBJS.Hooks.register("beforeChapterDisplay").transculsions=function(a,b){var c=b.contents.querySelectorAll("[transclusion]"),d=Array.prototype.slice.call(c);d.forEach(function(a){function c(){j=g,k=h,j>chapter.colWidth&&(d=chapter.colWidth/j,j=chapter.colWidth,k*=d),f.width=j,f.height=k}var d,e=a.getAttribute("ref"),f=document.createElement("iframe"),g=a.getAttribute("width"),h=a.getAttribute("height"),i=a.parentNode,j=g,k=h;c(),b.listenUntil("renderer:resized","renderer:chapterUnloaded",c),f.src=e,i.replaceChild(f,a)}),a&&a()};
EPUBJS.Hooks.register("beforeChapterDisplay").endnotes=function(a,b){var c=b.contents.querySelectorAll("a[href]"),d=Array.prototype.slice.call(c),e="epub:type",f="noteref",g=EPUBJS.core.folder(location.pathname),h=g+EPUBJS.cssPath||g,i={};EPUBJS.core.addCss(h+"popup.css",!1,b.render.document.head),d.forEach(function(a){function c(){var c,e=b.height,f=b.width,j=225;o||(c=l.cloneNode(!0),o=c.querySelector("p")),i[k]||(i[k]=document.createElement("div"),i[k].setAttribute("class","popup"),pop_content=document.createElement("div"),i[k].appendChild(pop_content),pop_content.appendChild(o),pop_content.setAttribute("class","pop_content"),chapter.bodyEl.appendChild(i[k]),i[k].addEventListener("mouseover",d,!1),i[k].addEventListener("mouseout",g,!1),b.on("renderer:pageChanged",h,this),b.on("renderer:pageChanged",g,this)),c=i[k],itemRect=a.getBoundingClientRect(),m=itemRect.left,n=itemRect.top,c.classList.add("show"),popRect=c.getBoundingClientRect(),c.style.left=m-popRect.width/2+"px",c.style.top=n+"px",j>e/2.5&&(j=e/2.5,pop_content.style.maxHeight=j+"px"),popRect.height+n>=e-25?(c.style.top=n-popRect.height+"px",c.classList.add("above")):c.classList.remove("above"),m-popRect.width<=0?(c.style.left=m+"px",c.classList.add("left")):c.classList.remove("left"),m+popRect.width/2>=f?(c.style.left=m-300+"px",popRect=c.getBoundingClientRect(),c.style.left=m-popRect.width+"px",popRect.height+n>=e-25?(c.style.top=n-popRect.height+"px",c.classList.add("above")):c.classList.remove("above"),c.classList.add("right")):c.classList.remove("right")}function d(){i[k].classList.add("on")}function g(){i[k].classList.remove("on")}function h(){setTimeout(function(){i[k].classList.remove("show")},100)}var j,k,l,m,n,o,p=a.getAttribute(e);p==f&&(j=a.getAttribute("href"),k=j.replace("#",""),l=b.render.document.getElementById(k),a.addEventListener("mouseover",c,!1),a.addEventListener("mouseout",h,!1))}),a&&a()},EPUBJS.Hooks.register("beforeChapterDisplay").mathml=function(a,b){if(-1!==b.currentChapter.manifestProperties.indexOf("mathml")){b.iframe.contentWindow.mathmlCallback=a;var c=document.createElement("script");c.type="text/x-mathjax-config",c.innerHTML=' MathJax.Hub.Register.StartupHook("End",function () { window.mathmlCallback(); }); MathJax.Hub.Config({jax: ["input/TeX","input/MathML","output/SVG"],extensions: ["tex2jax.js","mml2jax.js","MathEvents.js"],TeX: {extensions: ["noErrors.js","noUndefined.js","autoload-all.js"]},MathMenu: {showRenderer: false},menuSettings: {zoom: "Click"},messageStyle: "none"}); ',b.doc.body.appendChild(c),EPUBJS.core.addScript("http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML",null,b.doc.head)}else a&&a()},EPUBJS.Hooks.register("beforeChapterDisplay").smartimages=function(a,b){var c=b.contents.querySelectorAll("img"),d=Array.prototype.slice.call(c),e=b.height;return"reflowable"!=b.layoutSettings.layout?(a(),void 0):(d.forEach(function(a){function c(){var c,d=a.getBoundingClientRect(),f=d.height,g=d.top,h=a.getAttribute("data-height"),i=h||f,j=Number(getComputedStyle(a,"").fontSize.match(/(\d*(\.\d*)?)px/)[1]),k=j?j/2:0;e=b.contents.clientHeight,0>g&&(g=0),i+g>=e?(e/2>g?(c=e-g-k,a.style.maxHeight=c+"px",a.style.width="auto"):(i>e&&(a.style.maxHeight=e+"px",a.style.width="auto",d=a.getBoundingClientRect(),i=d.height),a.style.display="block",a.style.WebkitColumnBreakBefore="always",a.style.breakBefore="column"),a.setAttribute("data-height",c)):(a.style.removeProperty("max-height"),a.style.removeProperty("margin-top"))}a.addEventListener("load",c,!1),b.on("renderer:resized",c),b.on("renderer:chapterUnloaded",function(){a.removeEventListener("load",c),b.off("renderer:resized",c)}),c()}),a&&a(),void 0)},EPUBJS.Hooks.register("beforeChapterDisplay").transculsions=function(a,b){var c=b.contents.querySelectorAll("[transclusion]"),d=Array.prototype.slice.call(c);d.forEach(function(a){function c(){j=g,k=h,j>chapter.colWidth&&(d=chapter.colWidth/j,j=chapter.colWidth,k*=d),f.width=j,f.height=k}var d,e=a.getAttribute("ref"),f=document.createElement("iframe"),g=a.getAttribute("width"),h=a.getAttribute("height"),i=a.parentNode,j=g,k=h;c(),b.listenUntil("renderer:resized","renderer:chapterUnloaded",c),f.src=e,i.replaceChild(f,a)}),a&&a()};

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build/libs/inflate.js
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demo/js/epub.min.js vendored
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demo/js/hooks.min.js vendored
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@ -1 +1 @@
EPUBJS.Hooks.register("beforeChapterDisplay").endnotes=function(a,b){var c=b.contents.querySelectorAll("a[href]"),d=Array.prototype.slice.call(c),e="epub:type",f="noteref",g=EPUBJS.core.folder(location.pathname),h=g+EPUBJS.cssPath||g,i={};EPUBJS.core.addCss(h+"popup.css",!1,b.render.document.head),d.forEach(function(a){function c(){var c,e=b.height,f=b.width,j=225;o||(c=l.cloneNode(!0),o=c.querySelector("p")),i[k]||(i[k]=document.createElement("div"),i[k].setAttribute("class","popup"),pop_content=document.createElement("div"),i[k].appendChild(pop_content),pop_content.appendChild(o),pop_content.setAttribute("class","pop_content"),chapter.bodyEl.appendChild(i[k]),i[k].addEventListener("mouseover",d,!1),i[k].addEventListener("mouseout",g,!1),b.on("renderer:pageChanged",h,this),b.on("renderer:pageChanged",g,this)),c=i[k],itemRect=a.getBoundingClientRect(),m=itemRect.left,n=itemRect.top,c.classList.add("show"),popRect=c.getBoundingClientRect(),c.style.left=m-popRect.width/2+"px",c.style.top=n+"px",j>e/2.5&&(j=e/2.5,pop_content.style.maxHeight=j+"px"),popRect.height+n>=e-25?(c.style.top=n-popRect.height+"px",c.classList.add("above")):c.classList.remove("above"),m-popRect.width<=0?(c.style.left=m+"px",c.classList.add("left")):c.classList.remove("left"),m+popRect.width/2>=f?(c.style.left=m-300+"px",popRect=c.getBoundingClientRect(),c.style.left=m-popRect.width+"px",popRect.height+n>=e-25?(c.style.top=n-popRect.height+"px",c.classList.add("above")):c.classList.remove("above"),c.classList.add("right")):c.classList.remove("right")}function d(){i[k].classList.add("on")}function g(){i[k].classList.remove("on")}function h(){setTimeout(function(){i[k].classList.remove("show")},100)}var j,k,l,m,n,o,p=a.getAttribute(e);p==f&&(j=a.getAttribute("href"),k=j.replace("#",""),l=b.render.document.getElementById(k),a.addEventListener("mouseover",c,!1),a.addEventListener("mouseout",h,!1))}),a&&a()},EPUBJS.Hooks.register("beforeChapterDisplay").mathml=function(a,b){if(-1!==b.currentChapter.manifestProperties.indexOf("mathml")){b.iframe.contentWindow.mathmlCallback=a;var c=document.createElement("script");c.type="text/x-mathjax-config",c.innerHTML=' MathJax.Hub.Register.StartupHook("End",function () { window.mathmlCallback(); }); MathJax.Hub.Config({jax: ["input/TeX","input/MathML","output/SVG"],extensions: ["tex2jax.js","mml2jax.js","MathEvents.js"],TeX: {extensions: ["noErrors.js","noUndefined.js","autoload-all.js"]},MathMenu: {showRenderer: false},menuSettings: {zoom: "Click"},messageStyle: "none"}); ',b.doc.body.appendChild(c),EPUBJS.core.addScript("http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML",null,b.doc.head)}else a&&a()},EPUBJS.Hooks.register("beforeChapterDisplay").smartimages=function(a,b){var c=b.contents.querySelectorAll("img"),d=Array.prototype.slice.call(c),e=b.height;return"reflowable"!=b.layoutSettings.layout?(a(),void 0):(d.forEach(function(a){function c(){var c,d=a.getBoundingClientRect(),f=d.height,g=d.top,h=a.getAttribute("data-height"),i=h||f,j=Number(getComputedStyle(a,"").fontSize.match(/(\d*(\.\d*)?)px/)[1]),k=j?j/2:0;e=b.contents.clientHeight,0>g&&(g=0),i+g>=e?(e/2>g?(c=e-g-k,a.style.maxHeight=c+"px",a.style.width="auto"):(c=e>i?i:e,a.style.maxHeight=c+"px",a.style.marginTop=e-g+"px",a.style.width="auto"),a.setAttribute("data-height",c)):(a.style.removeProperty("max-height"),a.style.removeProperty("margin-top"))}a.addEventListener("load",c,!1),b.on("renderer:resized",c),b.on("renderer:chapterUnloaded",function(){a.removeEventListener("load",c),b.off("renderer:resized",c)}),c()}),a&&a(),void 0)},EPUBJS.Hooks.register("beforeChapterDisplay").transculsions=function(a,b){var c=b.contents.querySelectorAll("[transclusion]"),d=Array.prototype.slice.call(c);d.forEach(function(a){function c(){j=g,k=h,j>chapter.colWidth&&(d=chapter.colWidth/j,j=chapter.colWidth,k*=d),f.width=j,f.height=k}var d,e=a.getAttribute("ref"),f=document.createElement("iframe"),g=a.getAttribute("width"),h=a.getAttribute("height"),i=a.parentNode,j=g,k=h;c(),b.listenUntil("renderer:resized","renderer:chapterUnloaded",c),f.src=e,i.replaceChild(f,a)}),a&&a()};
EPUBJS.Hooks.register("beforeChapterDisplay").endnotes=function(a,b){var c=b.contents.querySelectorAll("a[href]"),d=Array.prototype.slice.call(c),e="epub:type",f="noteref",g=EPUBJS.core.folder(location.pathname),h=g+EPUBJS.cssPath||g,i={};EPUBJS.core.addCss(h+"popup.css",!1,b.render.document.head),d.forEach(function(a){function c(){var c,e=b.height,f=b.width,j=225;o||(c=l.cloneNode(!0),o=c.querySelector("p")),i[k]||(i[k]=document.createElement("div"),i[k].setAttribute("class","popup"),pop_content=document.createElement("div"),i[k].appendChild(pop_content),pop_content.appendChild(o),pop_content.setAttribute("class","pop_content"),chapter.bodyEl.appendChild(i[k]),i[k].addEventListener("mouseover",d,!1),i[k].addEventListener("mouseout",g,!1),b.on("renderer:pageChanged",h,this),b.on("renderer:pageChanged",g,this)),c=i[k],itemRect=a.getBoundingClientRect(),m=itemRect.left,n=itemRect.top,c.classList.add("show"),popRect=c.getBoundingClientRect(),c.style.left=m-popRect.width/2+"px",c.style.top=n+"px",j>e/2.5&&(j=e/2.5,pop_content.style.maxHeight=j+"px"),popRect.height+n>=e-25?(c.style.top=n-popRect.height+"px",c.classList.add("above")):c.classList.remove("above"),m-popRect.width<=0?(c.style.left=m+"px",c.classList.add("left")):c.classList.remove("left"),m+popRect.width/2>=f?(c.style.left=m-300+"px",popRect=c.getBoundingClientRect(),c.style.left=m-popRect.width+"px",popRect.height+n>=e-25?(c.style.top=n-popRect.height+"px",c.classList.add("above")):c.classList.remove("above"),c.classList.add("right")):c.classList.remove("right")}function d(){i[k].classList.add("on")}function g(){i[k].classList.remove("on")}function h(){setTimeout(function(){i[k].classList.remove("show")},100)}var j,k,l,m,n,o,p=a.getAttribute(e);p==f&&(j=a.getAttribute("href"),k=j.replace("#",""),l=b.render.document.getElementById(k),a.addEventListener("mouseover",c,!1),a.addEventListener("mouseout",h,!1))}),a&&a()},EPUBJS.Hooks.register("beforeChapterDisplay").mathml=function(a,b){if(-1!==b.currentChapter.manifestProperties.indexOf("mathml")){b.iframe.contentWindow.mathmlCallback=a;var c=document.createElement("script");c.type="text/x-mathjax-config",c.innerHTML=' MathJax.Hub.Register.StartupHook("End",function () { window.mathmlCallback(); }); MathJax.Hub.Config({jax: ["input/TeX","input/MathML","output/SVG"],extensions: ["tex2jax.js","mml2jax.js","MathEvents.js"],TeX: {extensions: ["noErrors.js","noUndefined.js","autoload-all.js"]},MathMenu: {showRenderer: false},menuSettings: {zoom: "Click"},messageStyle: "none"}); ',b.doc.body.appendChild(c),EPUBJS.core.addScript("http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML",null,b.doc.head)}else a&&a()},EPUBJS.Hooks.register("beforeChapterDisplay").smartimages=function(a,b){var c=b.contents.querySelectorAll("img"),d=Array.prototype.slice.call(c),e=b.height;return"reflowable"!=b.layoutSettings.layout?(a(),void 0):(d.forEach(function(a){function c(){var c,d=a.getBoundingClientRect(),f=d.height,g=d.top,h=a.getAttribute("data-height"),i=h||f,j=Number(getComputedStyle(a,"").fontSize.match(/(\d*(\.\d*)?)px/)[1]),k=j?j/2:0;e=b.contents.clientHeight,0>g&&(g=0),i+g>=e?(e/2>g?(c=e-g-k,a.style.maxHeight=c+"px",a.style.width="auto"):(i>e&&(a.style.maxHeight=e+"px",a.style.width="auto",d=a.getBoundingClientRect(),i=d.height),a.style.display="block",a.style.WebkitColumnBreakBefore="always",a.style.breakBefore="column"),a.setAttribute("data-height",c)):(a.style.removeProperty("max-height"),a.style.removeProperty("margin-top"))}a.addEventListener("load",c,!1),b.on("renderer:resized",c),b.on("renderer:chapterUnloaded",function(){a.removeEventListener("load",c),b.off("renderer:resized",c)}),c()}),a&&a(),void 0)},EPUBJS.Hooks.register("beforeChapterDisplay").transculsions=function(a,b){var c=b.contents.querySelectorAll("[transclusion]"),d=Array.prototype.slice.call(c);d.forEach(function(a){function c(){j=g,k=h,j>chapter.colWidth&&(d=chapter.colWidth/j,j=chapter.colWidth,k*=d),f.width=j,f.height=k}var d,e=a.getAttribute("ref"),f=document.createElement("iframe"),g=a.getAttribute("width"),h=a.getAttribute("height"),i=a.parentNode,j=g,k=h;c(),b.listenUntil("renderer:resized","renderer:chapterUnloaded",c),f.src=e,i.replaceChild(f,a)}),a&&a()};

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demo/js/libs/inflate.min.js vendored
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2
demo/js/libs/zip.min.js vendored
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demo/js/reader.min.js vendored
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12
hooks/default/smartimages.js
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@ -32,10 +32,16 @@ EPUBJS.Hooks.register("beforeChapterDisplay").smartimages = function(callback, r
item.style.maxHeight = newHeight + "px";
item.style.width= "auto";
}else{
newHeight = (height < iheight ? height : iheight);
item.style.maxHeight = newHeight + "px";
item.style.marginTop = iheight - top + "px";
if(height > iheight) {
item.style.maxHeight = iheight + "px";
item.style.width= "auto";
itemRect = item.getBoundingClientRect();
height = itemRect.height;
}
item.style.display = "block";
item.style["WebkitColumnBreakBefore"] = "always";
item.style["breakBefore"] = "column";
}
item.setAttribute('data-height', newHeight);

11
src/core.js
View file

@ -303,3 +303,14 @@ EPUBJS.core.resolveUrl = function(base, path) {
return url.join("/");
};
// http://stackoverflow.com/questions/105034/how-to-create-a-guid-uuid-in-javascript
EPUBJS.core.uuid = function() {
var d = new Date().getTime();
var uuid = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
var r = (d + Math.random()*16)%16 | 0;
d = Math.floor(d/16);
return (c=='x' ? r : (r&0x7|0x8)).toString(16);
});
return uuid;
};

195
src/epubcfi.js
View file

@ -2,8 +2,7 @@ EPUBJS.EpubCFI = function(cfiStr){
if(cfiStr) return this.parse(cfiStr);
};
EPUBJS.EpubCFI.prototype.generateChapter = function(_spineNodeIndex, _pos, id) {
EPUBJS.EpubCFI.prototype.generateChapterComponent = function(_spineNodeIndex, _pos, id) {
var pos = parseInt(_pos),
spineNodeIndex = _spineNodeIndex + 1,
cfi = '/'+spineNodeIndex+'/';
@ -12,27 +11,23 @@ EPUBJS.EpubCFI.prototype.generateChapter = function(_spineNodeIndex, _pos, id) {
if(id) cfi += "[" + id + "]";
cfi += "!";
//cfi += "!";
return cfi;
};
EPUBJS.EpubCFI.prototype.generatePathComponent = function(steps) {
var parts = [];
EPUBJS.EpubCFI.prototype.generateFragment = function(element, chapter) {
var path = this.pathTo(element),
parts = [];
if(chapter) parts.push(chapter);
path.forEach(function(part){
steps.forEach(function(part){
var segment = '';
segment += (part.index + 1) * 2;
if(part.id &&
part.id.slice(0, 6) != "EPUBJS") { //-- ignore internal @EPUBJS ids
if(part.id && part.id.slice(0, 6) === "EPUBJS") {
//-- ignore internal @EPUBJS ids for
return;
} else if(part.id) {
segment += "[" + part.id + "]";
}
parts.push(segment);
@ -41,6 +36,13 @@ EPUBJS.EpubCFI.prototype.generateFragment = function(element, chapter) {
return parts.join('/');
};
EPUBJS.EpubCFI.prototype.generateCfiFromElement = function(element, chapter) {
var steps = this.pathTo(element);
var path = this.generatePathComponent(steps);
return "epubcfi(" + chapter + "!" + path + ")";
};
EPUBJS.EpubCFI.prototype.pathTo = function(node) {
var stack = [],
children;
@ -61,110 +63,152 @@ EPUBJS.EpubCFI.prototype.pathTo = function(node) {
return stack;
};
EPUBJS.EpubCFI.prototype.getChapter = function(cfiStr) {
EPUBJS.EpubCFI.prototype.getChapterComponent = function(cfiStr) {
var splitStr = cfiStr.split("!");
return splitStr[0];
};
EPUBJS.EpubCFI.prototype.getFragment = function(cfiStr) {
EPUBJS.EpubCFI.prototype.getPathComponent = function(cfiStr) {
var splitStr = cfiStr.split("!");
var pathComponent = splitStr[1] ? splitStr[1].split(":") : '';
return splitStr[1];
return pathComponent[0];
};
EPUBJS.EpubCFI.prototype.getOffset = function(cfiStr) {
EPUBJS.EpubCFI.prototype.getCharecterOffsetComponent = function(cfiStr) {
var splitStr = cfiStr.split(":");
return [splitStr[0], splitStr[1]];
return splitStr[1] || '';
};
EPUBJS.EpubCFI.prototype.parse = function(cfiStr) {
var cfi = {},
chapSegment,
chapterComponent,
pathComponent,
charecterOffsetComponent,
assertion,
chapId,
path,
end,
text;
cfi.chapter = this.getChapter(cfiStr);
if(cfiStr.indexOf("epubcfi(") === 0) {
// Remove intial epubcfi( and ending )
cfiStr = cfiStr.slice(8, cfiStr.length-1);
}
chapSegment = parseInt(cfi.chapter.split("/")[2]) || false;
cfi.fragment = this.getFragment(cfiStr);
if(!chapSegment || !cfi.fragment) return {spinePos: -1};
chapterComponent = this.getChapterComponent(cfiStr);
pathComponent = this.getPathComponent(cfiStr);
charecterOffsetComponent = this.getCharecterOffsetComponent(cfiStr);
// Make sure this is a valid cfi or return
if(!chapterComponent.length || !pathComponent.length) {
return {spinePos: -1};
}
// Chapter segment is always the second one
chapSegment = chapterComponent.split("/")[2] || '';
if(!chapSegment) return {spinePos:-1};
cfi.spinePos = (parseInt(chapSegment) / 2 - 1 ) || 0;
chapId = cfi.chapter.match(/\[(.*)\]/);
chapId = chapSegment.match(/\[(.*)\]/);
cfi.spineId = chapId ? chapId[1] : false;
path = cfi.fragment.split('/');
end = path[path.length-1];
cfi.sections = [];
//-- Check for Character Offset
if(parseInt(end) % 2){
text = this.getOffset();
cfi.text = parseInt(text[0]);
cfi.character = parseInt(text[1]);
path.pop(); //-- remove from path to element
if(pathComponent.indexOf(',') != -1) {
// Handle ranges -- not supported yet
console.warn("CFI Ranges are not supported");
}
path = pathComponent.split('/');
end = path[path.length-1];
cfi.steps = [];
path.forEach(function(part){
var index, has_id, id;
var type, index, has_brackets, id;
if(!part) return;
//-- Check if this is a text node or element
if(parseInt(part) % 2){
type = "text";
index = parseInt(part) - 1;
} else {
type = "element";
index = parseInt(part) / 2 - 1;
has_id = part.match(/\[(.*)\]/);
if(has_id && has_id[1]){
id = has_id[1];
has_brackets = part.match(/\[(.*)\]/);
if(has_brackets && has_brackets[1]){
id = has_brackets[1];
}
}
cfi.sections.push({
cfi.steps.push({
"type" : type,
'index' : index,
'id' : id || false
});
assertion = charecterOffsetComponent.match(/\[(.*)\]/);
if(assertion && assertion[1]){
cfi.characterOffset = parseInt(charecterOffsetComponent.split('[')[0]);
// We arent handling these assertions yet
cfi.textLocationAssertion = assertion[1];
} else {
cfi.characterOffset = parseInt(charecterOffsetComponent);
}
});
return cfi;
};
EPUBJS.EpubCFI.prototype.getElement = function(cfi, _doc) {
var doc = _doc || document,
sections = cfi.sections,
element = doc.getElementsByTagName('html')[0],
children = Array.prototype.slice.call(element.children),
num, index, part,
has_id, id;
num, index, part, sections,
text, textBegin, textEnd;
// sections.shift(); //-- html
if(typeof cfi === 'string') {
cfi = this.parse(cfi);
}
sections = cfi.steps;
while(sections && sections.length > 0) {
part = sections.shift();
if(part.id){
element = doc.getElementById(part.id);
// Wrap text elements in a span and return that new element
if(part.type === "text") {
text = element.childNodes[part.index];
element = doc.createElement('span');
element.id = "EPUBJS-CFI-MARKER:"+ EPUBJS.core.uuid();
if(cfi.characterOffset) {
textBegin = doc.createTextNode(text.textContent.slice(0, cfi.characterOffset));
textEnd = doc.createTextNode(text.textContent.slice(cfi.characterOffset));
text.parentNode.insertBefore(textEnd, text);
text.parentNode.insertBefore(element, textEnd);
text.parentNode.insertBefore(textBegin, element);
text.parentNode.removeChild(text);
} else {
text.parentNode.insertBefore(element, text);
}
// sort cut to find element by id
} else if(part.id){
element = doc.getElementById(part.id);
// find element in parent
}else{
element = children[part.index];
if(!children) console.error("No Kids", element);
element = children[part.index];
}
@ -175,4 +219,41 @@ EPUBJS.EpubCFI.prototype.getElement = function(cfi, _doc) {
return element;
};
//-- Todo: function to remove IDs to sort
EPUBJS.EpubCFI.prototype.compare = function(cfiOne, cfiTwo) {
if(typeof cfiOne === 'string') {
cfiOne = this.parse(cfiOne);
}
if(typeof cfiTwo === 'string') {
cfiTwo = this.parse(cfiTwo);
}
// Compare Spine Positions
if(cfiOne.spinePos > cfiTwo.spinePos) {
return 1;
}
if(cfiOne.spinePos < cfiTwo.spinePos) {
return -1;
}
// Compare Each Step
for (var i = 0; i < cfiOne.steps.length; i++) {
if(!cfiTwo.steps[i]) {
return 1;
}
if(cfiOne.steps[i].index > cfiTwo.steps[i].index) {
return 1;
}
if(cfiOne.steps[i].index < cfiTwo.steps[i].index) {
return -1;
}
// Otherwise continue checking
}
// Compare the charecter offset of the text node
if(cfiOne.characterOffset > cfiTwo.characterOffset) {
return 1;
}
if(cfiOne.characterOffset < cfiTwo.characterOffset) {
return -1;
}
// CFI's are equal
return 0;
};

5
src/navigation.js
View file

@ -0,0 +1,5 @@
EPUBJS.Navigation = function() {
};
// percentage at cfi, nearest page to Cfi, total pages and goto page.

2
src/parser.js
View file

@ -218,7 +218,7 @@ EPUBJS.Parser.prototype.spine = function(spineXml, manifest){
//-- Add to array to mantain ordering and cross reference with manifest
items.forEach(function(item, index){
var Id = item.getAttribute('idref');
var cfiBase = epubcfi.generateChapter(spineNodeIndex, index, Id);
var cfiBase = epubcfi.generateChapterComponent(spineNodeIndex, index, Id);
var props = item.getAttribute('properties') || '';
var propArray = props.length ? props.split(' ') : [];
var manifestProps = manifest[Id].properties;

2
src/renderer.js
View file

@ -425,7 +425,7 @@ EPUBJS.Renderer.prototype.walk = function(node) {
EPUBJS.Renderer.prototype.getPageCfi = function(prevEl){
this.visibileEl = this.findFirstVisible(prevEl);
return this.epubcfi.generateFragment(this.visibileEl, this.currentChapter.cfiBase);
return this.epubcfi.generateCfiFromElement(this.visibileEl, this.currentChapter.cfiBase);
};
// Goto a cfi position in the current chapter