yetangitu/epub.js
1
0
Fork 0
mirror of https://github.com/futurepress/epub.js.git synced 2025-10-03 14:59:18 +02:00
Code Issues Releases Wiki Activity

Added core Url and Path, split up book.open, added Container and Packaging

Browse source
This commit is contained in:
Fred Chasen 2016-11-08 02:06:10 +01:00
parent 02725b1771
commit 47787678f7
24 changed files with 1774 additions and 1140 deletions
Download patch file Download diff file Expand all files Collapse all files

214
src/navigation.js
View file

@ -1,85 +1,30 @@
var core = require('./core');
var Parser = require('./parser');
var path = require('path');
function Navigation(_package, _request){
var navigation = this;
var parse = new Parser();
var request = _request || require('./request');
this.package = _package;
function Navigation(xml){
this.toc = [];
this.tocByHref = {};
this.tocById = {};
if(_package.navPath) {
if (_package.baseUrl) {
this.navUrl = new URL(_package.navPath, _package.baseUrl).toString();
} else {
this.navUrl = path.resolve(_package.basePath, _package.navPath);
}
this.nav = {};
this.nav.load = function(_request){
var loading = new core.defer();
var loaded = loading.promise;
request(navigation.navUrl, 'xml').then(function(xml){
navigation.toc = parse.nav(xml);
navigation.loaded(navigation.toc);
loading.resolve(navigation.toc);
});
return loaded;
};
}
if(_package.ncxPath) {
if (_package.baseUrl) {
this.ncxUrl = new URL(_package.ncxPath, _package.baseUrl).toString();
} else {
this.ncxUrl = path.resolve(_package.basePath, _package.ncxPath);
}
this.ncx = {};
this.ncx.load = function(_request){
var loading = new core.defer();
var loaded = loading.promise;
request(navigation.ncxUrl, 'xml').then(function(xml){
navigation.toc = parse.toc(xml);
navigation.loaded(navigation.toc);
loading.resolve(navigation.toc);
});
return loaded;
};
if (xml) {
this.parse(xml);
}
};
// Load the navigation
Navigation.prototype.load = function(_request) {
var request = _request || require('./request');
var loading, loaded;
Navigation.prototype.parse = function(xml) {
var html = core.qs(xml, "html");
var ncx = core.qs(xml, "ncx");
if(this.nav) {
loading = this.nav.load();
} else if(this.ncx) {
loading = this.ncx.load();
} else {
loaded = new core.defer();
loaded.resolve([]);
loading = loaded.promise;
if(html) {
this.toc = this.parseNav(xml);
} else if(ncx){
this.toc = this.parseNcx(xml);
}
return loading;
this.unpack(this.toc);
};
Navigation.prototype.loaded = function(toc) {
Navigation.prototype.unpack = function(toc) {
var item;
for (var i = 0; i < toc.length; i++) {
@ -107,4 +52,139 @@ Navigation.prototype.get = function(target) {
return this.toc[index];
};
Navigation.prototype.parseNav = function(navHtml, spineIndexByURL, bookSpine){
var navElement = core.querySelectorByType(navHtml, "nav", "toc");
// var navItems = navElement ? navElement.querySelectorAll("ol li") : [];
var navItems = navElement ? core.qsa(navElement, "li") : [];
var length = navItems.length;
var i;
var toc = {};
var list = [];
var item, parent;
if(!navItems || length === 0) return list;
for (i = 0; i < length; ++i) {
item = this.navItem(navItems[i], spineIndexByURL, bookSpine);
toc[item.id] = item;
if(!item.parent) {
list.push(item);
} else {
parent = toc[item.parent];
parent.subitems.push(item);
}
}
return list;
};
Navigation.prototype.navItem = function(item, spineIndexByURL, bookSpine){
var id = item.getAttribute('id') || false,
// content = item.querySelector("a, span"),
content = core.qs(item, "a"),
src = content.getAttribute('href') || '',
text = content.textContent || "",
// split = src.split("#"),
// baseUrl = split[0],
// spinePos = spineIndexByURL[baseUrl],
// spineItem = bookSpine[spinePos],
subitems = [],
parentNode = item.parentNode,
parent;
// cfi = spineItem ? spineItem.cfi : '';
if(parentNode && parentNode.nodeName === "navPoint") {
parent = parentNode.getAttribute('id');
}
/*
if(!id) {
if(spinePos) {
spineItem = bookSpine[spinePos];
id = spineItem.id;
cfi = spineItem.cfi;
} else {
id = 'epubjs-autogen-toc-id-' + EPUBJS.core.uuid();
item.setAttribute('id', id);
}
}
*/
return {
"id": id,
"href": src,
"label": text,
"subitems" : subitems,
"parent" : parent
};
};
Navigation.prototype.parseNcx = function(tocXml, spineIndexByURL, bookSpine){
// var navPoints = tocXml.querySelectorAll("navMap navPoint");
var navPoints = core.qsa(tocXml, "navPoint");
var length = navPoints.length;
var i;
var toc = {};
var list = [];
var item, parent;
if(!navPoints || length === 0) return list;
for (i = 0; i < length; ++i) {
item = this.ncxItem(navPoints[i], spineIndexByURL, bookSpine);
toc[item.id] = item;
if(!item.parent) {
list.push(item);
} else {
parent = toc[item.parent];
parent.subitems.push(item);
}
}
return list;
};
Navigation.prototype.ncxItem = function(item, spineIndexByURL, bookSpine){
var id = item.getAttribute('id') || false,
// content = item.querySelector("content"),
content = core.qs(item, "content"),
src = content.getAttribute('src'),
// navLabel = item.querySelector("navLabel"),
navLabel = core.qs(item, "navLabel"),
text = navLabel.textContent ? navLabel.textContent : "",
// split = src.split("#"),
// baseUrl = split[0],
// spinePos = spineIndexByURL[baseUrl],
// spineItem = bookSpine[spinePos],
subitems = [],
parentNode = item.parentNode,
parent;
// cfi = spineItem ? spineItem.cfi : '';
if(parentNode && parentNode.nodeName === "navPoint") {
parent = parentNode.getAttribute('id');
}
/*
if(!id) {
if(spinePos) {
spineItem = bookSpine[spinePos];
id = spineItem.id;
cfi = spineItem.cfi;
} else {
id = 'epubjs-autogen-toc-id-' + EPUBJS.core.uuid();
item.setAttribute('id', id);
}
}
*/
return {
"id": id,
"href": src,
"label": text,
"subitems" : subitems,
"parent" : parent
};
};
module.exports = Navigation;