hibas123/epub
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updates

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This commit is contained in:
andris9 2011-06-13 14:33:53 +03:00
parent b4f333ca81
commit 30bb1357aa
4 changed files with 198 additions and 3 deletions
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19
epub.js
View File

@ -514,13 +514,18 @@ EPub.prototype.walkNavMap = function(branch, path, id_list, level){
* - callback (Function): callback function
*
* Finds a chapter text for an id. Replaces image and link URL's, removes
* <head> etc. elements
* <head> etc. elements. Return only chapters with mime type application/xhtml+xml
**/
EPub.prototype.getChapter = function(id, callback){
var path = this.rootFile.split("/"), keys = Object.keys(this.manifest);
path.pop();
if(this.manifest[id]){
if((this.manifest[id]['media-type'] || "").toLowerCase().trim() != "application/xhtml+xml"){
return callback(new Error("Inavlid mime type for chapter"));
}
this.zip.readFile(this.manifest[id].href, (function(err, data){
if(err){
callback(new Error("Reading archive failed"));
@ -605,6 +610,8 @@ EPub.prototype.getChapter = function(id, callback){
callback(null, str);
}).bind(this));
}else{
callback(new Error("File not found"));
}
}
@ -615,10 +622,16 @@ EPub.prototype.getChapter = function(id, callback){
* - callback (Function): callback function
*
* Finds an image an id. Returns the image as Buffer. Callback gets
* an error object, image buffer and image content-type
* an error object, image buffer and image content-type.
* Return only images with mime type image/*
**/
EPub.prototype.getImage = function(id, callback){
if(this.manifest[id]){
if((this.manifest[id]['media-type'] || "").toLowerCase().trim().substr(0,6) != "image/"){
return callback(new Error("Inavlid mime type for image"));
}
this.zip.readFile(this.manifest[id].href, (function(err, data){
if(err){
callback(new Error("Reading archive failed"));
@ -627,5 +640,7 @@ EPub.prototype.getImage = function(id, callback){
callback(null, data, this.manifest[id]['media-type']);
}).bind(this));
}else{
callback(new Error("File not found"));
}
}

101
index.html Normal file
View File

@ -0,0 +1,101 @@
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>EPUB reader</title>
<style type="text/css">
body{
font-family: "luxi-serif-1","luxi-serif-2",serif;
}
h1, h2, h3, h4, h5{
text-align: center;
}
#contents{
width: 640px;
margin:10px auto;
padding: 20px;
background: #D3CDAC;
}
p{
text-align: justify;
}
img{
display: block;
margin: 5px 0;
max-width: 640px;
}
hr{
width: 90%;
height: 0px;
border:0;
border-top: 1px dashed #B75F14;
margin: 10px auto;
}
.chapter{
border-bottom: 5px dotted #604328;
padding-bottom: 10px;
margin-bottom: 10px;
}
</style>
<script src="https://ajax.googleapis.com/ajax/libs/prototype/1.7.0.0/prototype.js" type="text/javascript"></script>
<script type="text/javascript">
$(document).observe("dom:loaded", function(){
new Ajax.Request("/contents",{
method:"post",
onComplete: function(response){
var contents = {toc:[], flow:[]};
try{
contents = response.responseText.evalJSON();
}catch(E){}
renderPage(contents);
}
});
});
function renderPage(contents){
if(!contents.flow.length)return;
var chapter = contents.flow.shift();;
new Ajax.Request("/chapter/"+chapter.id,{
method:"post",
onComplete: function(response){
$("contents").innerHTML += "<div class=\"chapter\">"+response.responseText+"</div>";
if(contents.flow.length){
renderPage(contents);
}
}
});
}
</script>
<script type="text/javascript" src="http://use.typekit.com/qbv6mfk.js"></script>
<script type="text/javascript">try{Typekit.load();}catch(e){}</script>
</head>
<body>
<div id="toc"></div>
<div id="contents"></div>
</body>
</html>

2
index.js
View File

@ -1,6 +1,6 @@
var EPub = require("./epub");
var epub = new EPub("img.epub", "tere", "vana");
var epub = new EPub("tasuja.epub", "tere", "vana");
epub.on("error", function(err){
console.log("ERROR\n-----");
throw err;

79
server.js Normal file
View File

@ -0,0 +1,79 @@
var http = require('http'),
EPub = require("./epub"),
fs = require("fs");
var EPUBFILE = "tasuja.epub";
var epub = new EPub(EPUBFILE, "/epubimg", "/chapter");
epub.on("error", function(err){
console.log("ERROR\n-----");
throw err;
});
epub.on("end", function(){
startserver();
});
epub.parse();
function startserver(){
http.createServer(function (req, res) {
if(req.url.match(/^\/contents/)){
res.writeHead(200, {'Content-Type': 'text/javascript'});
res.end(JSON.stringify({toc: epub.toc, flow: epub.spine.contents}));
return;
}
if(req.url.match(/^\/chapter/)){
var parts = req.url.split("/");
epub.getChapter(parts[2], function(err, data){
if(err){
res.writeHead(500, {'Content-Type': 'text/html'});
res.end("<h1>Error</h1><p>"+err.message+"</p>");
return;
}
res.writeHead(200, {'Content-Type': 'text/html'});
res.end(data);
});
return;
}
if(req.url.match(/^\/epubimg/)){
var parts = req.url.split("/");
epub.getImage(parts[2], function(err, data, mimeType){
if(err){
res.writeHead(500, {'Content-Type': 'text/html'});
res.end("<h1>Error</h1><p>"+err.message+"</p>");
return;
}
res.writeHead(200, {'Content-Type': mimeType});
res.end(data);
});
return;
}
if(req.url == "/"){
fs.readFile("index.html", function(err, data){
if(err){
res.writeHead(500, {'Content-Type': 'text/html'});
res.end("<h1>Error</h1><p>"+err.message+"</p>");
return;
}
res.writeHead(200, {'Content-Type': 'text/html'});
res.end(data);
});
return;
}
res.writeHead(200, {'Content-Type': 'text/plain'});
res.end('Hello World\n');
}).listen(8080);
console.log('Server running');
}