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misc
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alexadam
parent
30389f03b6
commit
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1 changed files with 116 additions and 25 deletions
141
test.js
141
test.js
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@ -7,8 +7,12 @@
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var cssFileName = 'ebook.css';
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var cssFileName = 'ebook.css';
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var pageName = 'ebook.xhtml';
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var pageName = 'ebook.xhtml';
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var ebookName = "ebook-" + document.title + ".epub";
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var ebookName = "ebook-" + document.title + ".epub";
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var imgSrcRegex = /<img.*src="([^"]+)"/gi;
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// var allImgSrc = [];
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// var allImgDest = [];
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var allImgSrc = {};
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console.log('mmerge');
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console.log('Hello');
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var pageSrc = document.getElementsByTagName('body')[0].innerHTML;
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var pageSrc = document.getElementsByTagName('body')[0].innerHTML;
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var pageSrc = document.getElementsByTagName('article')[0].innerHTML;
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var pageSrc = document.getElementsByTagName('article')[0].innerHTML;
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@ -91,6 +95,11 @@ function prepareEbookContent(rawContent) {
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// rawContent = rawContent.replace(/<\/.*>/gi, '</p>');
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// rawContent = rawContent.replace(/<\/.*>/gi, '</p>');
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// rawContent = rawContent.replace(/<[^<>]+>/gi, '');
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// rawContent = rawContent.replace(/<[^<>]+>/gi, '');
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extractImgs(rawContent);
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rawContent = replaceImgs(rawContent);
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alert();
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return '<?xml version="1.0" encoding="utf-8"?>' +
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return '<?xml version="1.0" encoding="utf-8"?>' +
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'<html xmlns="http://www.w3.org/1999/xhtml" xmlns:epub="http://www.idpf.org/2007/ops">' +
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'<html xmlns="http://www.w3.org/1999/xhtml" xmlns:epub="http://www.idpf.org/2007/ops">' +
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'<head>' +
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'<head>' +
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@ -101,6 +110,59 @@ function prepareEbookContent(rawContent) {
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'</body></html>';
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'</body></html>';
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}
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}
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function extractImgs(rawContent) {
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$(rawContent).find('img').each(function (index, elem) {
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var imgsrc = $(elem).attr('src');
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try {
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if (imgsrc.indexOf('http') === 0) {
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allImgSrc[imgsrc] = 'img-' + index + '.' + getFileExtension(imgsrc);
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}
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} catch (e) {
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}
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});
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}
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function replaceImgs(rawContent) {
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// Object.keys(allImgSrc).forEach(function (imgsrc) {
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// rawContent = rawContent.replace(new RegExp(imgsrc, 'gi'), allImgSrc[imgsrc]);
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// });
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var keys = Object.keys(allImgSrc);
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for (var i = 0; i < keys.length; i++) {
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rawContent = rawContent.replace(keys[i], 'images/' + allImgSrc[keys[i]]);
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}
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return rawContent;
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}
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function getImagesIndex() {
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return Object.keys(allImgSrc).reduce(function (prev, elem, index) {
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return prev + '\n' + '<item href="images/'+allImgSrc[elem]+'" id="img'+index+'" media-type="image/'+getFileExtension(elem)+'"/>';
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}, '');
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}
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function getFileExtension(fileName) {
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var tmpFileName = fileName.split('.').pop();
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if (tmpFileName.indexOf('?') > 0) {
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tmpFileName = tmpFileName.split('?')[0];
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}
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if (tmpFileName.trim() === '') {
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return 'jpg'; //TODO
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}
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return tmpFileName;
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}
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function deferredAddZip(url, filename, zip) {
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var deferred = $.Deferred();
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JSZipUtils.getBinaryContent(url, function (err, data) {
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if(err) {
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deferred.reject(err);
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} else {
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zip.file(filename, data, {binary:true});
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deferred.resolve(data);
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}
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});
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return deferred;
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}
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// http://ebooks.stackexchange.com/questions/1183/what-is-the-minimum-required-content-for-a-valid-epub
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// http://ebooks.stackexchange.com/questions/1183/what-is-the-minimum-required-content-for-a-valid-epub
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function buildEbook(ebookContent) {
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function buildEbook(ebookContent) {
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var zip = new JSZip();
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var zip = new JSZip();
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@ -119,27 +181,6 @@ function buildEbook(ebookContent) {
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var oebps = zip.folder("OEBPS");
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var oebps = zip.folder("OEBPS");
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oebps.file('content.opf',
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'<?xml version="1.0" encoding="UTF-8" ?>' +
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'<package xmlns="http://www.idpf.org/2007/opf" xmlns:dc="http://purl.org/dc/elements/1.1/" unique-identifier="db-id" version="3.0">' +
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'<metadata>' +
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'<dc:title id="t1">Title</dc:title>' +
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'<dc:identifier id="db-id">isbn</dc:identifier>' +
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'<meta property="dcterms:modified">2014-03-27T09:14:09Z</meta>' +
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'<dc:language>en</dc:language>' +
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'</metadata>' +
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'<manifest>' +
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'<item id="toc" properties="nav" href="toc.xhtml" media-type="application/xhtml+xml" />' +
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'<item id="ncx" href="toc.ncx" media-type="application/x-dtbncx+xml" />' +
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'<item id="template_css" href="' + cssFileName + '" media-type="text/css" />' +
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'<item id="ebook" href="' + pageName + '" media-type="application/xhtml+xml" />' +
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'</manifest>' +
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'<spine toc="ncx">' +
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'<itemref idref="ebook" />' +
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'</spine>' +
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'</package>'
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);
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oebps.file('toc.xhtml',
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oebps.file('toc.xhtml',
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'<?xml version="1.0" encoding="utf-8"?>' +
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'<?xml version="1.0" encoding="utf-8"?>' +
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'<html xmlns="http://www.w3.org/1999/xhtml" xmlns:epub="http://www.idpf.org/2007/ops">' +
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'<html xmlns="http://www.w3.org/1999/xhtml" xmlns:epub="http://www.idpf.org/2007/ops">' +
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@ -183,9 +224,59 @@ function buildEbook(ebookContent) {
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prepareEbookContent(ebookContent)
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prepareEbookContent(ebookContent)
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);
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);
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oebps.file('content.opf',
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'<?xml version="1.0" encoding="UTF-8" ?>' +
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'<package xmlns="http://www.idpf.org/2007/opf" xmlns:dc="http://purl.org/dc/elements/1.1/" unique-identifier="db-id" version="3.0">' +
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'<metadata>' +
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'<dc:title id="t1">Title</dc:title>' +
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'<dc:identifier id="db-id">isbn</dc:identifier>' +
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'<meta property="dcterms:modified">2014-03-27T09:14:09Z</meta>' +
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'<dc:language>en</dc:language>' +
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'</metadata>' +
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'<manifest>' +
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'<item id="toc" properties="nav" href="toc.xhtml" media-type="application/xhtml+xml" />' +
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'<item id="ncx" href="toc.ncx" media-type="application/x-dtbncx+xml" />' +
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'<item id="template_css" href="' + cssFileName + '" media-type="text/css" />' +
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'<item id="ebook" href="' + pageName + '" media-type="application/xhtml+xml" />' +
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getImagesIndex() +
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'</manifest>' +
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'<spine toc="ncx">' +
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'<itemref idref="ebook" />' +
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'</spine>' +
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'</package>'
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);
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zip.generateAsync({type:"blob"})
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///////////////
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.then(function(content) {
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///////////////
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saveAs(content, ebookName);
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var imgs = oebps.folder("images");
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var imgsPromises = [];
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// allImgSrc.forEach(function (imgSrc, index) {
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Object.keys(allImgSrc).forEach(function (imgSrc, index) {
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var tmpDeffered = deferredAddZip(imgSrc, allImgSrc[imgSrc], imgs);
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imgsPromises.push(tmpDeffered);
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});
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});
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var done = false;
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$.when.apply($, imgsPromises).done(function () {
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done = true;
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zip.generateAsync({type:"blob"})
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.then(function(content) {
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saveAs(content, ebookName);
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});
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console.log("done !");
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}).fail(function (err) {
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alert(err);
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});
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setTimeout(function () {
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if (done) {
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return;
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}
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zip.generateAsync({type:"blob"})
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.then(function(content) {
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saveAs(content, ebookName);
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});
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}, 5000);
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}
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}
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