Initial commit. Works like a charm.

This commit is contained in:
Eric Wood 2012-10-29 14:40:39 -05:00
commit fa6e6f175d
7 changed files with 6946 additions and 0 deletions

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excelParser = {
parseStringTable: function(data) {
var doc = $(data);
var stringTags = doc.find('si');
var strings = $.map(stringTags, function(s,i) {
return $(s).find('t').text();
});
return strings;
},
toLatex: function(table) {
var max = 0;
for(var i=0; i < table.length; i++) {
if(table[i] && table[i].length > max) { max = table[i].length; }
}
var numCols = max;
var args = [];
for(var i=0; i < numCols; i++) {
args[i] = 'l';
}
args = ' | ' + args.join(' | ') + ' | ';
var latex = "\\begin{tabular}{" + args + "}\n\\hline\n";
for(var i=0; i < table.length; i++) {
var cols = table[i];
// TODO: replace "&" with "\&"
if(cols === undefined) { cols = []; }
if(cols.length < numCols) {
for(var x=cols.length; x < max; x++) {
cols[x] = '\\ ';
}
}
latex += "\t" + cols.join(' & ');
latex += " \\\\ \\hline\n";
}
latex += "\\end{tabular}\n";
$('#latex-output').val(latex);
},
processSheet: function(data, stringTable) {
// get jQuery object out of the data for accessing stuffs
var doc = $(data);
var table = [];
var rows = doc.find('sheetdata row');
$.each(rows, function(i,row) {
var rowNum = parseInt($(row).attr('r'));
// get columns
var cols = $(row).find('c');
var colVals = $.map(cols, function(col,j) {
var col = $(col);
var val = col.find('v').text();
if(col.attr('t') == 's') {
return stringTable[parseInt(val)];
} else {
return val;
}
});
table[rowNum-1] = colVals;
});
return table;
},
handleSheet: function(entries, stringTable) {
// filter out all files that aren't worksheets
var sheets = $.grep(entries, function(n,i) {
return /^xl\/worksheets\//.test(n.filename);
});
// for now, only process the first sheet
// TODO: give the user a choice of which sheet to process
var sheet = sheets[0];
sheet.getData(new zip.TextWriter(), function(text) {
var table = excelParser.processSheet(text, stringTable);
excelParser.toLatex(table);
});
},
handleFile: function(event) {
// prevent default browser behavior
event.stopPropagation();
event.preventDefault();
// get file information
var files = event.dataTransfer.files;
if(!files.length) {
// no files were given somehow...
$('#latex-output').val('No files were given...try again?');
return false;
}
var blob = files[0];
// unzip and process files
zip.createReader(new zip.BlobReader(blob), function(reader) {
reader.getEntries(function(entries) {
if(!entries.length) { return false; }
// get the string table
var stFile = $.grep(entries, function(n,i) {
return /^xl\/sharedStrings\.xml$/.test(n.filename);
})[0];
stFile.getData(new zip.TextWriter(), function(text) {
var stringTable = excelParser.parseStringTable(text);
excelParser.handleSheet(entries, stringTable);
});
});
});
},
init: function() {
// hack because of jQuery shenanigans
jQuery.event.props.push('dataTransfer');
$('body').bind('dragover', function(event) {
event.stopPropagation();
event.preventDefault();
});
$('body').bind('drop', excelParser.handleFile);
}
};
$(function() {
excelParser.init();
});

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<html>
<head>
<title>Excel to LaTeX converter</title>
</head>
<body>
<h1>Excel to LaTeX converter</h1>
<p>Drag any .xlsx file onto the page to begin!</p>
<h3>LaTeX output:</h3>
<textarea id="latex-output" readonly="readonly" rows="30" cols="80"></textarea>
<script src="//ajax.googleapis.com/ajax/libs/jquery/1.8.2/jquery.min.js"></script>
<script type="text/javascript" src="zip.js"></script>
<script type="text/javascript" src="converter.js"></script>
</body>
</html>

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(function() {
var table = {
"application" : {
"andrew-inset" : "ez",
"annodex" : "anx",
"atom+xml" : "atom",
"atomcat+xml" : "atomcat",
"atomserv+xml" : "atomsrv",
"bbolin" : "lin",
"cap" : [ "cap", "pcap" ],
"cu-seeme" : "cu",
"davmount+xml" : "davmount",
"dsptype" : "tsp",
"ecmascript" : [ "es", "ecma" ],
"futuresplash" : "spl",
"hta" : "hta",
"java-archive" : "jar",
"java-serialized-object" : "ser",
"java-vm" : "class",
"javascript" : "js",
"m3g" : "m3g",
"mac-binhex40" : "hqx",
"mathematica" : [ "nb", "ma", "mb" ],
"msaccess" : "mdb",
"msword" : [ "doc", "dot" ],
"mxf" : "mxf",
"oda" : "oda",
"ogg" : "ogx",
"pdf" : "pdf",
"pgp-keys" : "key",
"pgp-signature" : [ "asc", "sig" ],
"pics-rules" : "prf",
"postscript" : [ "ps", "ai", "eps", "epsi", "epsf", "eps2", "eps3" ],
"rar" : "rar",
"rdf+xml" : "rdf",
"rss+xml" : "rss",
"rtf" : "rtf",
"smil" : [ "smi", "smil" ],
"xhtml+xml" : [ "xhtml", "xht" ],
"xml" : [ "xml", "xsl", "xsd" ],
"xspf+xml" : "xspf",
"zip" : "zip",
"vnd.android.package-archive" : "apk",
"vnd.cinderella" : "cdy",
"vnd.google-earth.kml+xml" : "kml",
"vnd.google-earth.kmz" : "kmz",
"vnd.mozilla.xul+xml" : "xul",
"vnd.ms-excel" : [ "xls", "xlb", "xlt", "xlm", "xla", "xlc", "xlw" ],
"vnd.ms-pki.seccat" : "cat",
"vnd.ms-pki.stl" : "stl",
"vnd.ms-powerpoint" : [ "ppt", "pps", "pot" ],
"vnd.oasis.opendocument.chart" : "odc",
"vnd.oasis.opendocument.database" : "odb",
"vnd.oasis.opendocument.formula" : "odf",
"vnd.oasis.opendocument.graphics" : "odg",
"vnd.oasis.opendocument.graphics-template" : "otg",
"vnd.oasis.opendocument.image" : "odi",
"vnd.oasis.opendocument.presentation" : "odp",
"vnd.oasis.opendocument.presentation-template" : "otp",
"vnd.oasis.opendocument.spreadsheet" : "ods",
"vnd.oasis.opendocument.spreadsheet-template" : "ots",
"vnd.oasis.opendocument.text" : "odt",
"vnd.oasis.opendocument.text-master" : "odm",
"vnd.oasis.opendocument.text-template" : "ott",
"vnd.oasis.opendocument.text-web" : "oth",
"vnd.openxmlformats-officedocument.spreadsheetml.sheet" : "xlsx",
"vnd.openxmlformats-officedocument.spreadsheetml.template" : "xltx",
"vnd.openxmlformats-officedocument.presentationml.presentation" : "pptx",
"vnd.openxmlformats-officedocument.presentationml.slideshow" : "ppsx",
"vnd.openxmlformats-officedocument.presentationml.template" : "potx",
"vnd.openxmlformats-officedocument.wordprocessingml.document" : "docx",
"vnd.openxmlformats-officedocument.wordprocessingml.template" : "dotx",
"vnd.smaf" : "mmf",
"vnd.stardivision.calc" : "sdc",
"vnd.stardivision.chart" : "sds",
"vnd.stardivision.draw" : "sda",
"vnd.stardivision.impress" : "sdd",
"vnd.stardivision.math" : [ "sdf", "smf" ],
"vnd.stardivision.writer" : [ "sdw", "vor" ],
"vnd.stardivision.writer-global" : "sgl",
"vnd.sun.xml.calc" : "sxc",
"vnd.sun.xml.calc.template" : "stc",
"vnd.sun.xml.draw" : "sxd",
"vnd.sun.xml.draw.template" : "std",
"vnd.sun.xml.impress" : "sxi",
"vnd.sun.xml.impress.template" : "sti",
"vnd.sun.xml.math" : "sxm",
"vnd.sun.xml.writer" : "sxw",
"vnd.sun.xml.writer.global" : "sxg",
"vnd.sun.xml.writer.template" : "stw",
"vnd.symbian.install" : [ "sis", "sisx" ],
"vnd.visio" : [ "vsd", "vst", "vss", "vsw" ],
"vnd.wap.wbxml" : "wbxml",
"vnd.wap.wmlc" : "wmlc",
"vnd.wap.wmlscriptc" : "wmlsc",
"vnd.wordperfect" : "wpd",
"vnd.wordperfect5.1" : "wp5",
"x-123" : "wk",
"x-7z-compressed" : "7z",
"x-abiword" : "abw",
"x-apple-diskimage" : "dmg",
"x-bcpio" : "bcpio",
"x-bittorrent" : "torrent",
"x-cbr" : [ "cbr", "cba", "cbt", "cb7" ],
"x-cbz" : "cbz",
"x-cdf" : [ "cdf", "cda" ],
"x-cdlink" : "vcd",
"x-chess-pgn" : "pgn",
"x-cpio" : "cpio",
"x-csh" : "csh",
"x-debian-package" : [ "deb", "udeb" ],
"x-director" : [ "dcr", "dir", "dxr", "cst", "cct", "cxt", "w3d", "fgd", "swa" ],
"x-dms" : "dms",
"x-doom" : "wad",
"x-dvi" : "dvi",
"x-httpd-eruby" : "rhtml",
"x-font" : "pcf.Z",
"x-freemind" : "mm",
"x-gnumeric" : "gnumeric",
"x-go-sgf" : "sgf",
"x-graphing-calculator" : "gcf",
"x-gtar" : [ "gtar", "taz" ],
"x-hdf" : "hdf",
"x-httpd-php" : [ "phtml", "pht", "php" ],
"x-httpd-php-source" : "phps",
"x-httpd-php3" : "php3",
"x-httpd-php3-preprocessed" : "php3p",
"x-httpd-php4" : "php4",
"x-httpd-php5" : "php5",
"x-ica" : "ica",
"x-info" : "info",
"x-internet-signup" : [ "ins", "isp" ],
"x-iphone" : "iii",
"x-iso9660-image" : "iso",
"x-java-jnlp-file" : "jnlp",
"x-jmol" : "jmz",
"x-killustrator" : "kil",
"x-koan" : [ "skp", "skd", "skt", "skm" ],
"x-kpresenter" : [ "kpr", "kpt" ],
"x-kword" : [ "kwd", "kwt" ],
"x-latex" : "latex",
"x-lha" : "lha",
"x-lyx" : "lyx",
"x-lzh" : "lzh",
"x-lzx" : "lzx",
"x-maker" : [ "frm", "maker", "frame", "fm", "fb", "book", "fbdoc" ],
"x-ms-wmd" : "wmd",
"x-ms-wmz" : "wmz",
"x-msdos-program" : [ "com", "exe", "bat", "dll" ],
"x-msi" : "msi",
"x-netcdf" : [ "nc", "cdf" ],
"x-ns-proxy-autoconfig" : [ "pac", "dat" ],
"x-nwc" : "nwc",
"x-object" : "o",
"x-oz-application" : "oza",
"x-pkcs7-certreqresp" : "p7r",
"x-python-code" : [ "pyc", "pyo" ],
"x-qgis" : [ "qgs", "shp", "shx" ],
"x-quicktimeplayer" : "qtl",
"x-redhat-package-manager" : "rpm",
"x-ruby" : "rb",
"x-sh" : "sh",
"x-shar" : "shar",
"x-shockwave-flash" : [ "swf", "swfl" ],
"x-silverlight" : "scr",
"x-stuffit" : "sit",
"x-sv4cpio" : "sv4cpio",
"x-sv4crc" : "sv4crc",
"x-tar" : "tar",
"x-tcl" : "tcl",
"x-tex-gf" : "gf",
"x-tex-pk" : "pk",
"x-texinfo" : [ "texinfo", "texi" ],
"x-trash" : [ "~", "%", "bak", "old", "sik" ],
"x-troff" : [ "t", "tr", "roff" ],
"x-troff-man" : "man",
"x-troff-me" : "me",
"x-troff-ms" : "ms",
"x-ustar" : "ustar",
"x-wais-source" : "src",
"x-wingz" : "wz",
"x-x509-ca-cert" : [ "crt", "der", "cer" ],
"x-xcf" : "xcf",
"x-xfig" : "fig",
"x-xpinstall" : "xpi",
"applixware" : "aw",
"atomsvc+xml" : "atomsvc",
"ccxml+xml" : "ccxml",
"cdmi-capability" : "cdmia",
"cdmi-container" : "cdmic",
"cdmi-domain" : "cdmid",
"cdmi-object" : "cdmio",
"cdmi-queue" : "cdmiq",
"docbook+xml" : "dbk",
"dssc+der" : "dssc",
"dssc+xml" : "xdssc",
"emma+xml" : "emma",
"epub+zip" : "epub",
"exi" : "exi",
"font-tdpfr" : "pfr",
"gml+xml" : "gml",
"gpx+xml" : "gpx",
"gxf" : "gxf",
"hyperstudio" : "stk",
"inkml+xml" : [ "ink", "inkml" ],
"ipfix" : "ipfix",
"json" : "json",
"jsonml+json" : "jsonml",
"lost+xml" : "lostxml",
"mads+xml" : "mads",
"marc" : "mrc",
"marcxml+xml" : "mrcx",
"mathml+xml" : "mathml",
"mbox" : "mbox",
"mediaservercontrol+xml" : "mscml",
"metalink+xml" : "metalink",
"metalink4+xml" : "meta4",
"mets+xml" : "mets",
"mods+xml" : "mods",
"mp21" : [ "m21", "mp21" ],
"mp4" : "mp4s",
"oebps-package+xml" : "opf",
"omdoc+xml" : "omdoc",
"onenote" : [ "onetoc", "onetoc2", "onetmp", "onepkg" ],
"oxps" : "oxps",
"patch-ops-error+xml" : "xer",
"pgp-encrypted" : "pgp",
"pkcs10" : "p10",
"pkcs7-mime" : [ "p7m", "p7c" ],
"pkcs7-signature" : "p7s",
"pkcs8" : "p8",
"pkix-attr-cert" : "ac",
"pkix-crl" : "crl",
"pkix-pkipath" : "pkipath",
"pkixcmp" : "pki",
"pls+xml" : "pls",
"prs.cww" : "cww",
"pskc+xml" : "pskcxml",
"reginfo+xml" : "rif",
"relax-ng-compact-syntax" : "rnc",
"resource-lists+xml" : "rl",
"resource-lists-diff+xml" : "rld",
"rls-services+xml" : "rs",
"rpki-ghostbusters" : "gbr",
"rpki-manifest" : "mft",
"rpki-roa" : "roa",
"rsd+xml" : "rsd",
"sbml+xml" : "sbml",
"scvp-cv-request" : "scq",
"scvp-cv-response" : "scs",
"scvp-vp-request" : "spq",
"scvp-vp-response" : "spp",
"sdp" : "sdp",
"set-payment-initiation" : "setpay",
"set-registration-initiation" : "setreg",
"shf+xml" : "shf",
"sparql-query" : "rq",
"sparql-results+xml" : "srx",
"srgs" : "gram",
"srgs+xml" : "grxml",
"sru+xml" : "sru",
"ssdl+xml" : "ssdl",
"ssml+xml" : "ssml",
"tei+xml" : [ "tei", "teicorpus" ],
"thraud+xml" : "tfi",
"timestamped-data" : "tsd",
"vnd.3gpp.pic-bw-large" : "plb",
"vnd.3gpp.pic-bw-small" : "psb",
"vnd.3gpp.pic-bw-var" : "pvb",
"vnd.3gpp2.tcap" : "tcap",
"vnd.3m.post-it-notes" : "pwn",
"vnd.accpac.simply.aso" : "aso",
"vnd.accpac.simply.imp" : "imp",
"vnd.acucobol" : "acu",
"vnd.acucorp" : [ "atc", "acutc" ],
"vnd.adobe.air-application-installer-package+zip" : "air",
"vnd.adobe.formscentral.fcdt" : "fcdt",
"vnd.adobe.fxp" : [ "fxp", "fxpl" ],
"vnd.adobe.xdp+xml" : "xdp",
"vnd.adobe.xfdf" : "xfdf",
"vnd.ahead.space" : "ahead",
"vnd.airzip.filesecure.azf" : "azf",
"vnd.airzip.filesecure.azs" : "azs",
"vnd.amazon.ebook" : "azw",
"vnd.americandynamics.acc" : "acc",
"vnd.amiga.ami" : "ami",
"vnd.anser-web-certificate-issue-initiation" : "cii",
"vnd.anser-web-funds-transfer-initiation" : "fti",
"vnd.antix.game-component" : "atx",
"vnd.apple.installer+xml" : "mpkg",
"vnd.apple.mpegurl" : "m3u8",
"vnd.aristanetworks.swi" : "swi",
"vnd.astraea-software.iota" : "iota",
"vnd.audiograph" : "aep",
"vnd.blueice.multipass" : "mpm",
"vnd.bmi" : "bmi",
"vnd.businessobjects" : "rep",
"vnd.chemdraw+xml" : "cdxml",
"vnd.chipnuts.karaoke-mmd" : "mmd",
"vnd.claymore" : "cla",
"vnd.cloanto.rp9" : "rp9",
"vnd.clonk.c4group" : [ "c4g", "c4d", "c4f", "c4p", "c4u" ],
"vnd.cluetrust.cartomobile-config" : "c11amc",
"vnd.cluetrust.cartomobile-config-pkg" : "c11amz",
"vnd.commonspace" : "csp",
"vnd.contact.cmsg" : "cdbcmsg",
"vnd.cosmocaller" : "cmc",
"vnd.crick.clicker" : "clkx",
"vnd.crick.clicker.keyboard" : "clkk",
"vnd.crick.clicker.palette" : "clkp",
"vnd.crick.clicker.template" : "clkt",
"vnd.crick.clicker.wordbank" : "clkw",
"vnd.criticaltools.wbs+xml" : "wbs",
"vnd.ctc-posml" : "pml",
"vnd.cups-ppd" : "ppd",
"vnd.curl.car" : "car",
"vnd.curl.pcurl" : "pcurl",
"vnd.dart" : "dart",
"vnd.data-vision.rdz" : "rdz",
"vnd.dece.data" : [ "uvf", "uvvf", "uvd", "uvvd" ],
"vnd.dece.ttml+xml" : [ "uvt", "uvvt" ],
"vnd.dece.unspecified" : [ "uvx", "uvvx" ],
"vnd.dece.zip" : [ "uvz", "uvvz" ],
"vnd.denovo.fcselayout-link" : "fe_launch",
"vnd.dna" : "dna",
"vnd.dolby.mlp" : "mlp",
"vnd.dpgraph" : "dpg",
"vnd.dreamfactory" : "dfac",
"vnd.ds-keypoint" : "kpxx",
"vnd.dvb.ait" : "ait",
"vnd.dvb.service" : "svc",
"vnd.dynageo" : "geo",
"vnd.ecowin.chart" : "mag",
"vnd.enliven" : "nml",
"vnd.epson.esf" : "esf",
"vnd.epson.msf" : "msf",
"vnd.epson.quickanime" : "qam",
"vnd.epson.salt" : "slt",
"vnd.epson.ssf" : "ssf",
"vnd.eszigno3+xml" : [ "es3", "et3" ],
"vnd.ezpix-album" : "ez2",
"vnd.ezpix-package" : "ez3",
"vnd.fdf" : "fdf",
"vnd.fdsn.mseed" : "mseed",
"vnd.fdsn.seed" : [ "seed", "dataless" ],
"vnd.flographit" : "gph",
"vnd.fluxtime.clip" : "ftc",
"vnd.framemaker" : [ "fm", "frame", "maker", "book" ],
"vnd.frogans.fnc" : "fnc",
"vnd.frogans.ltf" : "ltf",
"vnd.fsc.weblaunch" : "fsc",
"vnd.fujitsu.oasys" : "oas",
"vnd.fujitsu.oasys2" : "oa2",
"vnd.fujitsu.oasys3" : "oa3",
"vnd.fujitsu.oasysgp" : "fg5",
"vnd.fujitsu.oasysprs" : "bh2",
"vnd.fujixerox.ddd" : "ddd",
"vnd.fujixerox.docuworks" : "xdw",
"vnd.fujixerox.docuworks.binder" : "xbd",
"vnd.fuzzysheet" : "fzs",
"vnd.genomatix.tuxedo" : "txd",
"vnd.geogebra.file" : "ggb",
"vnd.geogebra.tool" : "ggt",
"vnd.geometry-explorer" : [ "gex", "gre" ],
"vnd.geonext" : "gxt",
"vnd.geoplan" : "g2w",
"vnd.geospace" : "g3w",
"vnd.gmx" : "gmx",
"vnd.grafeq" : [ "gqf", "gqs" ],
"vnd.groove-account" : "gac",
"vnd.groove-help" : "ghf",
"vnd.groove-identity-message" : "gim",
"vnd.groove-injector" : "grv",
"vnd.groove-tool-message" : "gtm",
"vnd.groove-tool-template" : "tpl",
"vnd.groove-vcard" : "vcg",
"vnd.hal+xml" : "hal",
"vnd.handheld-entertainment+xml" : "zmm",
"vnd.hbci" : "hbci",
"vnd.hhe.lesson-player" : "les",
"vnd.hp-hpgl" : "hpgl",
"vnd.hp-hpid" : "hpid",
"vnd.hp-hps" : "hps",
"vnd.hp-jlyt" : "jlt",
"vnd.hp-pcl" : "pcl",
"vnd.hp-pclxl" : "pclxl",
"vnd.hydrostatix.sof-data" : "sfd-hdstx",
"vnd.ibm.minipay" : "mpy",
"vnd.ibm.modcap" : [ "afp", "listafp", "list3820" ],
"vnd.ibm.rights-management" : "irm",
"vnd.ibm.secure-container" : "sc",
"vnd.iccprofile" : [ "icc", "icm" ],
"vnd.igloader" : "igl",
"vnd.immervision-ivp" : "ivp",
"vnd.immervision-ivu" : "ivu",
"vnd.insors.igm" : "igm",
"vnd.intercon.formnet" : [ "xpw", "xpx" ],
"vnd.intergeo" : "i2g",
"vnd.intu.qbo" : "qbo",
"vnd.intu.qfx" : "qfx",
"vnd.ipunplugged.rcprofile" : "rcprofile",
"vnd.irepository.package+xml" : "irp",
"vnd.is-xpr" : "xpr",
"vnd.isac.fcs" : "fcs",
"vnd.jam" : "jam",
"vnd.jcp.javame.midlet-rms" : "rms",
"vnd.jisp" : "jisp",
"vnd.joost.joda-archive" : "joda",
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"jpm" : [ "jpm", "jpgm" ],
"mj2" : [ "mj2", "mjp2" ],
"vnd.dece.hd" : [ "uvh", "uvvh" ],
"vnd.dece.mobile" : [ "uvm", "uvvm" ],
"vnd.dece.pd" : [ "uvp", "uvvp" ],
"vnd.dece.sd" : [ "uvs", "uvvs" ],
"vnd.dece.video" : [ "uvv", "uvvv" ],
"vnd.dvb.file" : "dvb",
"vnd.fvt" : "fvt",
"vnd.ms-playready.media.pyv" : "pyv",
"vnd.uvvu.mp4" : [ "uvu", "uvvu" ],
"vnd.vivo" : "viv",
"webm" : "webm",
"x-f4v" : "f4v",
"x-m4v" : "m4v",
"x-ms-vob" : "vob",
"x-smv" : "smv"
},
"x-conference" : {
"x-cooltalk" : "ice"
},
"x-world" : {
"x-vrml" : [ "vrm", "vrml", "wrl", "flr", "wrz", "xaf", "xof" ]
}
};
var mimeTypes = (function() {
var type, subtype, val, index, mimeTypes = {};
for (type in table) {
if (table.hasOwnProperty(type)) {
for (subtype in table[type]) {
if (table[type].hasOwnProperty(subtype)) {
val = table[type][subtype];
if (typeof val == "string") {
mimeTypes[val] = type + "/" + subtype;
} else {
for (index = 0; index < val.length; index++) {
mimeTypes[val[index]] = type + "/" + subtype;
}
}
}
}
}
}
return mimeTypes;
})();
zip.getMimeType = function(filename) {
return mimeTypes[filename.split(".").pop()] || "application/octet-stream";
};
})();

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/*
Copyright (c) 2012 Gildas Lormeau. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the distribution.
3. The names of the authors may not be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JCRAFT,
INC. OR ANY CONTRIBUTORS TO THIS SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
(function() {
var CHUNK_SIZE = 512 * 1024;
var FileWriter = zip.FileWriter, //
TextWriter = zip.TextWriter, //
BlobWriter = zip.BlobWriter, //
Data64URIWriter = zip.Data64URIWriter, //
Reader = zip.Reader, //
TextReader = zip.TextReader, //
BlobReader = zip.BlobReader, //
Data64URIReader = zip.Data64URIReader, //
HttpRangeReader = zip.HttpRangeReader, //
HttpReader = zip.HttpReader, //
createReader = zip.createReader, //
createWriter = zip.createWriter;
function ZipBlobReader(entry) {
var that = this, blobReader;
function init(callback, onerror) {
this.size = entry.uncompressedSize;
callback();
}
function getData(callback) {
if (that.data)
callback();
else
entry.getData(new BlobWriter(), function(data) {
that.data = data;
blobReader = new BlobReader(data);
callback();
}, null, that.checkCrc32);
}
function readUint8Array(index, length, callback, onerror) {
getData(function() {
blobReader.readUint8Array(index, length, callback, onerror);
}, onerror);
}
that.size = 0;
that.init = init;
that.readUint8Array = readUint8Array;
}
ZipBlobReader.prototype = new Reader();
ZipBlobReader.prototype.constructor = ZipBlobReader;
ZipBlobReader.prototype.checkCrc32 = false;
function getTotalSize(entry) {
var size = 0;
function process(entry) {
size += entry.uncompressedSize || 0;
entry.children.forEach(process);
}
process(entry);
return size;
}
function initReaders(entry, onend, onerror) {
var index = 0;
function next() {
var child = entry.children[index];
index++;
if (index < entry.children.length)
process(entry.children[index]);
else
onend();
}
function process(child) {
if (child.directory)
initReaders(child, next, onerror);
else {
child.reader = new child.Reader(child.data, onerror);
child.reader.init(function() {
child.uncompressedSize = child.reader.size;
next();
});
}
}
if (entry.children.length)
process(entry.children[index]);
else
onend();
}
function detach(entry) {
var children = entry.parent.children;
children.forEach(function(child, index) {
if (child.id == entry.id)
children.splice(index, 1);
});
}
function exportZip(zipWriter, entry, onend, onprogress, totalSize) {
var currentIndex = 0;
function process(zipWriter, entry, onend, onprogress, totalSize) {
var childIndex = 0;
function exportChild() {
var child = entry.children[childIndex];
if (child)
zipWriter.add(child.getFullname(), child.reader, function() {
currentIndex += child.uncompressedSize || 0;
process(zipWriter, child, function() {
childIndex++;
exportChild();
}, onprogress, totalSize);
}, function(index) {
if (onprogress)
onprogress(currentIndex + index, totalSize);
}, {
directory : child.directory,
version : child.zipVersion
});
else
onend();
}
exportChild();
}
process(zipWriter, entry, onend, onprogress, totalSize);
}
function addFileEntry(zipEntry, fileEntry, onend, onerror) {
function getChildren(fileEntry, callback) {
if (fileEntry.isDirectory)
fileEntry.createReader().readEntries(callback);
if (fileEntry.isFile)
callback([]);
}
function process(zipEntry, fileEntry, onend) {
getChildren(fileEntry, function(children) {
var childIndex = 0;
function addChild(child) {
function nextChild(childFileEntry) {
process(childFileEntry, child, function() {
childIndex++;
processChild();
});
}
if (child.isDirectory)
nextChild(zipEntry.addDirectory(child.name));
if (child.isFile)
child.file(function(file) {
var childZipEntry = zipEntry.addBlob(child.name, file);
childZipEntry.uncompressedSize = file.size;
nextChild(childZipEntry);
}, onerror);
}
function processChild() {
var child = children[childIndex];
if (child)
addChild(child);
else
onend();
}
processChild();
});
}
if (fileEntry.isDirectory)
process(zipEntry, fileEntry, onend);
else
fileEntry.file(function(file) {
zipEntry.addBlob(fileEntry.name, file);
onend();
}, onerror);
}
function getFileEntry(fileEntry, entry, onend, onprogress, totalSize, checkCrc32) {
var currentIndex = 0, rootEntry;
function process(fileEntry, entry, onend, onprogress, totalSize) {
var childIndex = 0;
function addChild(child) {
function nextChild(childFileEntry) {
currentIndex += child.uncompressedSize || 0;
process(childFileEntry, child, function() {
childIndex++;
processChild();
}, onprogress, totalSize);
}
if (child.directory)
fileEntry.getDirectory(child.name, {
create : true
}, nextChild, onerror);
else
fileEntry.getFile(child.name, {
create : true
}, function(file) {
child.getData(new FileWriter(file, zip.getMimeType(child.name)), nextChild, function(index, max) {
if (onprogress)
onprogress(currentIndex + index, totalSize);
}, checkCrc32);
}, onerror);
}
function processChild() {
var child = entry.children[childIndex];
if (child)
addChild(child);
else
onend();
}
processChild();
}
if (entry.directory)
process(fileEntry, entry, onend, onprogress, totalSize);
else
entry.getData(new FileWriter(fileEntry, zip.getMimeType(entry.name)), onend, onprogress, checkCrc32);
}
function resetFS(fs) {
fs.entries = [];
fs.root = new ZipDirectoryEntry(fs);
}
function bufferedCopy(reader, writer, onend, onprogress, onerror) {
var chunkIndex = 0;
function stepCopy() {
var index = chunkIndex * CHUNK_SIZE;
if (onprogress)
onprogress(index, reader.size);
if (index < reader.size)
reader.readUint8Array(index, Math.min(CHUNK_SIZE, reader.size - index), function(array) {
writer.writeUint8Array(new Uint8Array(array), function() {
chunkIndex++;
stepCopy();
});
}, onerror);
else
writer.getData(onend);
}
stepCopy();
}
function getEntryData(writer, onend, onprogress, onerror) {
var that = this;
if (!writer || (writer.constructor == that.Writer && that.data))
onend(that.data);
else {
if (!that.reader)
that.reader = new that.Reader(that.data, onerror);
that.reader.init(function() {
writer.init(function() {
bufferedCopy(that.reader, writer, onend, onprogress, onerror);
}, onerror);
});
}
}
function addChild(parent, name, params, directory) {
if (parent.directory)
return directory ? new ZipDirectoryEntry(parent.fs, name, params, parent) : new ZipFileEntry(parent.fs, name, params, parent);
else
throw "Parent entry is not a directory.";
}
function ZipEntry() {
}
ZipEntry.prototype = {
init : function(fs, name, params, parent) {
var that = this;
if (fs.root && parent && parent.getChildByName(name))
throw "Entry filename already exists.";
if (!params)
params = {};
that.fs = fs;
that.name = name;
that.id = fs.entries.length;
that.parent = parent;
that.children = [];
that.zipVersion = params.zipVersion || 0x14;
that.uncompressedSize = 0;
fs.entries.push(that);
if (parent)
that.parent.children.push(that);
},
getFileEntry : function(fileEntry, onend, onprogress, onerror, checkCrc32) {
var that = this;
initReaders(that, function() {
getFileEntry(fileEntry, that, onend, onprogress, getTotalSize(that), checkCrc32);
}, onerror);
},
moveTo : function(target) {
var that = this;
if (target.directory) {
if (!target.isDescendantOf(that)) {
if (that != target) {
if (target.getChildByName(that.name))
throw "Entry filename already exists.";
detach(that);
that.parent = target;
target.children.push(that);
}
} else
throw "Entry is a ancestor of target entry.";
} else
throw "Target entry is not a directory.";
},
getFullname : function() {
var that = this, fullname = that.name, entry = that.parent;
while (entry) {
fullname = (entry.name ? entry.name + "/" : "") + fullname;
entry = entry.parent;
}
return fullname;
},
isDescendantOf : function(ancestor) {
var entry = this.parent;
while (entry && entry.id != ancestor.id)
entry = entry.parent;
return !!entry;
}
};
ZipEntry.prototype.constructor = ZipEntry;
var ZipFileEntryProto;
function ZipFileEntry(fs, name, params, parent) {
var that = this;
ZipEntry.prototype.init.call(that, fs, name, params, parent);
that.Reader = params.Reader;
that.Writer = params.Writer;
that.data = params.data;
that.getData = params.getData || getEntryData;
}
ZipFileEntry.prototype = ZipFileEntryProto = new ZipEntry();
ZipFileEntryProto.constructor = ZipFileEntry;
ZipFileEntryProto.getText = function(onend, onprogress, checkCrc32) {
this.getData(new TextWriter(), onend, onprogress, checkCrc32);
};
ZipFileEntryProto.getBlob = function(mimeType, onend, onprogress, checkCrc32) {
this.getData(new BlobWriter(mimeType), onend, onprogress, checkCrc32);
};
ZipFileEntryProto.getData64URI = function(mimeType, onend, onprogress, checkCrc32) {
this.getData(new Data64URIWriter(mimeType), onend, onprogress, checkCrc32);
};
var ZipDirectoryEntryProto;
function ZipDirectoryEntry(fs, name, params, parent) {
var that = this;
ZipEntry.prototype.init.call(that, fs, name, params, parent);
that.directory = true;
}
ZipDirectoryEntry.prototype = ZipDirectoryEntryProto = new ZipEntry();
ZipDirectoryEntryProto.constructor = ZipDirectoryEntry;
ZipDirectoryEntryProto.addDirectory = function(name) {
return addChild(this, name, null, true);
};
ZipDirectoryEntryProto.addText = function(name, text) {
return addChild(this, name, {
data : text,
Reader : TextReader,
Writer : TextWriter
});
};
ZipDirectoryEntryProto.addBlob = function(name, blob) {
return addChild(this, name, {
data : blob,
Reader : BlobReader,
Writer : BlobWriter
});
};
ZipDirectoryEntryProto.addData64URI = function(name, dataURI) {
return addChild(this, name, {
data : dataURI,
Reader : Data64URIReader,
Writer : Data64URIWriter
});
};
ZipDirectoryEntryProto.addHttpContent = function(name, URL, useRangeHeader) {
return addChild(this, name, {
data : URL,
Reader : useRangeHeader ? HttpRangeReader : HttpReader
});
};
ZipDirectoryEntryProto.addFileEntry = function(fileEntry, onend, onerror) {
addFileEntry(this, fileEntry, onend, onerror);
};
ZipDirectoryEntryProto.addData = function(name, params) {
return addChild(this, name, params);
};
ZipDirectoryEntryProto.importBlob = function(blob, onend, onerror) {
this.importZip(new BlobReader(blob), onend, onerror);
};
ZipDirectoryEntryProto.importText = function(text, onend, onerror) {
this.importZip(new TextReader(text), onend, onerror);
};
ZipDirectoryEntryProto.importData64URI = function(dataURI, onend, onerror) {
this.importZip(new Data64URIReader(dataURI), onend, onerror);
};
ZipDirectoryEntryProto.importHttpContent = function(URL, useRangeHeader, onend, onerror) {
this.importZip(useRangeHeader ? new HttpRangeReader(URL) : new HttpReader(URL), onend, onerror);
};
ZipDirectoryEntryProto.exportBlob = function(onend, onprogress, onerror) {
this.exportZip(new BlobWriter("application/zip"), onend, onprogress, onerror);
};
ZipDirectoryEntryProto.exportText = function(onend, onprogress, onerror) {
this.exportZip(new TextWriter(), onend, onprogress, onerror);
};
ZipDirectoryEntryProto.exportFileEntry = function(fileEntry, onend, onprogress, onerror) {
this.exportZip(new FileWriter(fileEntry, "application/zip"), onend, onprogress, onerror);
};
ZipDirectoryEntryProto.exportData64URI = function(onend, onprogress, onerror) {
this.exportZip(new Data64URIWriter("application/zip"), onend, onprogress, onerror);
};
ZipDirectoryEntryProto.importZip = function(reader, onend, onerror) {
var that = this;
createReader(reader, function(zipReader) {
zipReader.getEntries(function(entries) {
entries.forEach(function(entry) {
var parent = that, path = entry.filename.split("/"), name = path.pop();
path.forEach(function(pathPart) {
parent = parent.getChildByName(pathPart) || new ZipDirectoryEntry(that.fs, pathPart, null, parent);
});
if (!entry.directory)
addChild(parent, name, {
data : entry,
Reader : ZipBlobReader
});
});
onend();
});
}, onerror);
};
ZipDirectoryEntryProto.exportZip = function(writer, onend, onprogress, onerror) {
var that = this;
initReaders(that, function() {
createWriter(writer, function(zipWriter) {
exportZip(zipWriter, that, function() {
zipWriter.close(onend);
}, onprogress, getTotalSize(that));
}, onerror);
}, onerror);
};
ZipDirectoryEntryProto.getChildByName = function(name) {
var childIndex, child, that = this;
for (childIndex = 0; childIndex < that.children.length; childIndex++) {
child = that.children[childIndex];
if (child.name == name)
return child;
}
};
function FS() {
resetFS(this);
}
FS.prototype = {
remove : function(entry) {
detach(entry);
this.entries[entry.id] = null;
},
find : function(fullname) {
var index, path = fullname.split("/"), node = this.root;
for (index = 0; node && index < path.length; index++)
node = node.getChildByName(path[index]);
return node;
},
getById : function(id) {
return this.entries[id];
},
importBlob : function(blob, onend, onerror) {
resetFS(this);
this.root.importBlob(blob, onend, onerror);
},
importText : function(text, onend, onerror) {
resetFS(this);
this.root.importText(text, onend, onerror);
},
importData64URI : function(dataURI, onend, onerror) {
resetFS(this);
this.root.importData64URI(dataURI, onend, onerror);
},
importHttpContent : function(URL, useRangeHeader, onend, onerror) {
resetFS(this);
this.root.importHttpContent(URL, useRangeHeader, onend, onerror);
},
exportBlob : function(onend, onprogress, onerror) {
this.root.exportBlob(onend, onprogress, onerror);
},
exportText : function(onend, onprogress, onerror) {
this.root.exportText(onend, onprogress, onerror);
},
exportFileEntry : function(fileEntry, onend, onprogress, onerror) {
this.root.exportFileEntry(fileEntry, onend, onprogress, onerror);
},
exportData64URI : function(onend, onprogress, onerror) {
this.root.exportData64URI(onend, onprogress, onerror);
}
};
zip.fs = {
FS : FS
};
zip.getMimeType = function() {
return "application/octet-stream";
};
})();

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/*
Copyright (c) 2012 Gildas Lormeau. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the distribution.
3. The names of the authors may not be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JCRAFT,
INC. OR ANY CONTRIBUTORS TO THIS SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
(function(obj) {
var ERR_BAD_FORMAT = "File format is not recognized.";
var ERR_ENCRYPTED = "File contains encrypted entry.";
var ERR_ZIP64 = "File is using Zip64 (4gb+ file size).";
var ERR_READ = "Error while reading zip file.";
var ERR_WRITE = "Error while writing zip file.";
var ERR_WRITE_DATA = "Error while writing file data.";
var ERR_READ_DATA = "Error while reading file data.";
var ERR_DUPLICATED_NAME = "File already exists.";
var ERR_HTTP_RANGE = "HTTP Range not supported.";
var CHUNK_SIZE = 512 * 1024;
var INFLATE_JS = "inflate.js";
var DEFLATE_JS = "deflate.js";
var BlobBuilder = obj.WebKitBlobBuilder || obj.MozBlobBuilder || obj.MSBlobBuilder || obj.BlobBuilder;
var appendABViewSupported;
function isAppendABViewSupported() {
if (typeof appendABViewSupported == "undefined") {
var blobBuilder;
blobBuilder = new BlobBuilder();
blobBuilder.append(getDataHelper(0).view);
appendABViewSupported = blobBuilder.getBlob().size == 0;
}
return appendABViewSupported;
}
function Crc32() {
var crc = -1, that = this;
that.append = function(data) {
var offset, table = that.table;
for (offset = 0; offset < data.length; offset++)
crc = (crc >>> 8) ^ table[(crc ^ data[offset]) & 0xFF];
};
that.get = function() {
return ~crc;
};
}
Crc32.prototype.table = (function() {
var i, j, t, table = [];
for (i = 0; i < 256; i++) {
t = i;
for (j = 0; j < 8; j++)
if (t & 1)
t = (t >>> 1) ^ 0xEDB88320;
else
t = t >>> 1;
table[i] = t;
}
return table;
})();
function blobSlice(blob, index, length) {
if (blob.slice)
return blob.slice(index, index + length);
else if (blob.webkitSlice)
return blob.webkitSlice(index, index + length);
else if (blob.mozSlice)
return blob.mozSlice(index, index + length);
else if (blob.msSlice)
return blob.msSlice(index, index + length);
}
function getDataHelper(byteLength, bytes) {
var dataBuffer, dataArray;
dataBuffer = new ArrayBuffer(byteLength);
dataArray = new Uint8Array(dataBuffer);
if (bytes)
dataArray.set(bytes, 0);
return {
buffer : dataBuffer,
array : dataArray,
view : new DataView(dataBuffer)
};
}
// Readers
function Reader() {
}
function TextReader(text) {
var that = this, blobReader;
function init(callback, onerror) {
var blobBuilder = new BlobBuilder();
blobBuilder.append(text);
blobReader = new BlobReader(blobBuilder.getBlob("text/plain"));
blobReader.init(function() {
that.size = blobReader.size;
callback();
}, onerror);
}
function readUint8Array(index, length, callback, onerror) {
blobReader.readUint8Array(index, length, callback, onerror);
}
that.size = 0;
that.init = init;
that.readUint8Array = readUint8Array;
}
TextReader.prototype = new Reader();
TextReader.prototype.constructor = TextReader;
function Data64URIReader(dataURI) {
var that = this, dataStart;
function init(callback, onerror) {
var dataEnd = dataURI.length;
while (dataURI.charAt(dataEnd - 1) == "=")
dataEnd--;
dataStart = dataURI.indexOf(",") + 1;
that.size = Math.floor((dataEnd - dataStart) * 0.75);
callback();
}
function readUint8Array(index, length, callback, onerror) {
var i, data = getDataHelper(length);
var start = Math.floor(index / 3) * 4;
var end = Math.ceil((index + length) / 3) * 4;
var bytes = obj.atob(dataURI.substring(start + dataStart, end + dataStart));
var delta = index - Math.floor(start / 4) * 3;
for (i = delta; i < delta + length; i++)
data.array[i - delta] = bytes.charCodeAt(i);
callback(data.array);
}
that.size = 0;
that.init = init;
that.readUint8Array = readUint8Array;
}
Data64URIReader.prototype = new Reader();
Data64URIReader.prototype.constructor = Data64URIReader;
function BlobReader(blob) {
var that = this;
function init(callback, onerror) {
this.size = blob.size;
callback();
}
function readUint8Array(index, length, callback, onerror) {
var reader = new FileReader();
reader.onload = function(e) {
callback(new Uint8Array(e.target.result));
};
reader.onerror = onerror;
reader.readAsArrayBuffer(blobSlice(blob, index, length));
}
that.size = 0;
that.init = init;
that.readUint8Array = readUint8Array;
}
BlobReader.prototype = new Reader();
BlobReader.prototype.constructor = BlobReader;
function HttpReader(url) {
var that = this;
function getData(callback, onerror) {
var request;
if (!that.data) {
request = new XMLHttpRequest();
request.addEventListener("load", function() {
if (!that.size)
that.size = Number(request.getResponseHeader("Content-Length"));
that.data = new Uint8Array(request.response);
callback();
}, false);
request.addEventListener("error", onerror, false);
request.open("GET", url);
request.responseType = "arraybuffer";
request.send();
} else
callback();
}
function init(callback, onerror) {
var request = new XMLHttpRequest();
request.addEventListener("load", function() {
that.size = Number(request.getResponseHeader("Content-Length"));
callback();
}, false);
request.addEventListener("error", onerror, false);
request.open("HEAD", url);
request.send();
}
function readUint8Array(index, length, callback, onerror) {
getData(function() {
callback(new Uint8Array(that.data.subarray(index, index + length)));
}, onerror);
}
that.size = 0;
that.init = init;
that.readUint8Array = readUint8Array;
}
HttpReader.prototype = new Reader();
HttpReader.prototype.constructor = HttpReader;
function HttpRangeReader(url) {
var that = this;
function init(callback, onerror) {
var request = new XMLHttpRequest();
request.addEventListener("load", function() {
that.size = Number(request.getResponseHeader("Content-Length"));
if (request.getResponseHeader("Accept-Ranges") == "bytes")
callback();
else
onerror(ERR_HTTP_RANGE);
}, false);
request.addEventListener("error", onerror, false);
request.open("HEAD", url);
request.send();
}
function readArrayBuffer(index, length, callback, onerror) {
var request = new XMLHttpRequest();
request.open("GET", url);
request.responseType = "arraybuffer";
request.setRequestHeader("Range", "bytes=" + index + "-" + (index + length - 1));
request.addEventListener("load", function() {
callback(request.response);
}, false);
request.addEventListener("error", onerror, false);
request.send();
}
function readUint8Array(index, length, callback, onerror) {
readArrayBuffer(index, length, function(arraybuffer) {
callback(new Uint8Array(arraybuffer));
}, onerror);
}
that.size = 0;
that.init = init;
that.readUint8Array = readUint8Array;
}
HttpRangeReader.prototype = new Reader();
HttpRangeReader.prototype.constructor = HttpRangeReader;
// Writers
function Writer() {
}
Writer.prototype.getData = function(callback) {
callback(this.data);
};
function TextWriter() {
var that = this, blobBuilder;
function init(callback, onerror) {
blobBuilder = new BlobBuilder();
callback();
}
function writeUint8Array(array, callback, onerror) {
blobBuilder.append(isAppendABViewSupported() ? array : array.buffer);
callback();
}
function getData(callback) {
var reader = new FileReader();
reader.onload = function(e) {
callback(e.target.result);
};
reader.onerror = onerror;
reader.readAsText(blobBuilder.getBlob("text/plain"));
}
that.init = init;
that.writeUint8Array = writeUint8Array;
that.getData = getData;
}
TextWriter.prototype = new Writer();
TextWriter.prototype.constructor = TextWriter;
function Data64URIWriter(contentType) {
var that = this, data = "", pending = "";
function init(callback, onerror) {
data += "data:" + (contentType || "") + ";base64,";
callback();
}
function writeUint8Array(array, callback, onerror) {
var i, delta = pending.length, dataString = pending;
pending = "";
for (i = 0; i < (Math.floor((delta + array.length) / 3) * 3) - delta; i++)
dataString += String.fromCharCode(array[i]);
for (; i < array.length; i++)
pending += String.fromCharCode(array[i]);
if (dataString.length > 2)
data += obj.btoa(dataString);
else
pending = dataString;
callback();
}
function getData(callback) {
callback(data + obj.btoa(pending));
}
that.init = init;
that.writeUint8Array = writeUint8Array;
that.getData = getData;
}
Data64URIWriter.prototype = new Writer();
Data64URIWriter.prototype.constructor = Data64URIWriter;
function FileWriter(fileEntry, contentType) {
var writer, that = this;
function init(callback, onerror) {
fileEntry.createWriter(function(fileWriter) {
writer = fileWriter;
callback();
}, onerror);
}
function writeUint8Array(array, callback, onerror) {
var blobBuilder = new BlobBuilder();
blobBuilder.append(isAppendABViewSupported() ? array : array.buffer);
writer.onwrite = function() {
writer.onwrite = null;
callback();
};
writer.onerror = onerror;
writer.write(blobBuilder.getBlob(contentType));
}
function getData(callback) {
fileEntry.file(callback);
}
that.init = init;
that.writeUint8Array = writeUint8Array;
that.getData = getData;
}
FileWriter.prototype = new Writer();
FileWriter.prototype.constructor = FileWriter;
function BlobWriter(contentType) {
var blobBuilder, that = this;
function init(callback, onerror) {
blobBuilder = new BlobBuilder();
callback();
}
function writeUint8Array(array, callback, onerror) {
blobBuilder.append(isAppendABViewSupported() ? array : array.buffer);
callback();
}
function getData(callback) {
callback(blobBuilder.getBlob(contentType));
}
that.init = init;
that.writeUint8Array = writeUint8Array;
that.getData = getData;
}
BlobWriter.prototype = new Writer();
BlobWriter.prototype.constructor = BlobWriter;
// inflate/deflate core functions
function launchWorkerProcess(worker, reader, writer, offset, size, onappend, onprogress, onend, onreaderror, onwriteerror) {
var chunkIndex = 0, index, outputSize;
function onflush() {
worker.removeEventListener("message", onmessage, false);
onend(outputSize);
}
function onmessage(event) {
var message = event.data, data = message.data;
if (message.onappend) {
outputSize += data.length;
writer.writeUint8Array(data, function() {
onappend(false, data);
step();
}, onwriteerror);
}
if (message.onflush)
if (data) {
outputSize += data.length;
writer.writeUint8Array(data, function() {
onappend(false, data);
onflush();
}, onwriteerror);
} else
onflush();
if (message.progress && onprogress)
onprogress(index + message.current, size);
}
function step() {
index = chunkIndex * CHUNK_SIZE;
if (index < size)
reader.readUint8Array(offset + index, Math.min(CHUNK_SIZE, size - index), function(array) {
worker.postMessage({
append : true,
data : array
});
chunkIndex++;
if (onprogress)
onprogress(index, size);
onappend(true, array);
}, onreaderror);
else
worker.postMessage({
flush : true
});
}
outputSize = 0;
worker.addEventListener("message", onmessage, false);
step();
}
function launchProcess(process, reader, writer, offset, size, onappend, onprogress, onend, onreaderror, onwriteerror) {
var chunkIndex = 0, index, outputSize = 0;
function step() {
var outputData;
index = chunkIndex * CHUNK_SIZE;
if (index < size)
reader.readUint8Array(offset + index, Math.min(CHUNK_SIZE, size - index), function(inputData) {
var outputData = process.append(inputData, function() {
if (onprogress)
onprogress(offset + index, size);
});
outputSize += outputData.length;
onappend(true, inputData);
writer.writeUint8Array(outputData, function() {
onappend(false, outputData);
chunkIndex++;
setTimeout(step, 1);
}, onwriteerror);
if (onprogress)
onprogress(index, size);
}, onreaderror);
else {
outputData = process.flush();
if (outputData) {
outputSize += outputData.length;
writer.writeUint8Array(outputData, function() {
onappend(false, outputData);
onend(outputSize);
}, onwriteerror);
} else
onend(outputSize);
}
}
step();
}
function inflate(reader, writer, offset, size, computeCrc32, onend, onprogress, onreaderror, onwriteerror) {
var worker, crc32 = new Crc32();
function oninflateappend(sending, array) {
if (computeCrc32 && !sending)
crc32.append(array);
}
function oninflateend(outputSize) {
onend(outputSize, crc32.get());
}
if (obj.zip.useWebWorkers) {
worker = new Worker(obj.zip.workerScriptsPath + INFLATE_JS);
launchWorkerProcess(worker, reader, writer, offset, size, oninflateappend, onprogress, oninflateend, onreaderror, onwriteerror);
} else
launchProcess(new obj.zip.Inflater(), reader, writer, offset, size, oninflateappend, onprogress, oninflateend, onreaderror, onwriteerror);
return worker;
}
function deflate(reader, writer, level, onend, onprogress, onreaderror, onwriteerror) {
var worker, crc32 = new Crc32();
function ondeflateappend(sending, array) {
if (sending)
crc32.append(array);
}
function ondeflateend(outputSize) {
onend(outputSize, crc32.get());
}
function onmessage() {
worker.removeEventListener("message", onmessage, false);
launchWorkerProcess(worker, reader, writer, 0, reader.size, ondeflateappend, onprogress, ondeflateend, onreaderror, onwriteerror);
}
if (obj.zip.useWebWorkers) {
worker = new Worker(obj.zip.workerScriptsPath + DEFLATE_JS);
worker.addEventListener("message", onmessage, false);
worker.postMessage({
init : true,
level : level
});
} else
launchProcess(new obj.zip.Deflater(), reader, writer, 0, reader.size, ondeflateappend, onprogress, ondeflateend, onreaderror, onwriteerror);
return worker;
}
function copy(reader, writer, offset, size, computeCrc32, onend, onprogress, onreaderror, onwriteerror) {
var chunkIndex = 0, crc32 = new Crc32();
function step() {
var index = chunkIndex * CHUNK_SIZE;
if (index < size)
reader.readUint8Array(offset + index, Math.min(CHUNK_SIZE, size - index), function(array) {
if (computeCrc32)
crc32.append(array);
if (onprogress)
onprogress(index, size, array);
writer.writeUint8Array(array, function() {
chunkIndex++;
step();
}, onwriteerror);
}, onreaderror);
else
onend(size, crc32.get());
}
step();
}
// ZipReader
function decodeASCII(str) {
var i, out = "", charCode, extendedASCII = [ '\u00C7', '\u00FC', '\u00E9', '\u00E2', '\u00E4', '\u00E0', '\u00E5', '\u00E7', '\u00EA', '\u00EB',
'\u00E8', '\u00EF', '\u00EE', '\u00EC', '\u00C4', '\u00C5', '\u00C9', '\u00E6', '\u00C6', '\u00F4', '\u00F6', '\u00F2', '\u00FB', '\u00F9',
'\u00FF', '\u00D6', '\u00DC', '\u00F8', '\u00A3', '\u00D8', '\u00D7', '\u0192', '\u00E1', '\u00ED', '\u00F3', '\u00FA', '\u00F1', '\u00D1',
'\u00AA', '\u00BA', '\u00BF', '\u00AE', '\u00AC', '\u00BD', '\u00BC', '\u00A1', '\u00AB', '\u00BB', '_', '_', '_', '\u00A6', '\u00A6',
'\u00C1', '\u00C2', '\u00C0', '\u00A9', '\u00A6', '\u00A6', '+', '+', '\u00A2', '\u00A5', '+', '+', '-', '-', '+', '-', '+', '\u00E3',
'\u00C3', '+', '+', '-', '-', '\u00A6', '-', '+', '\u00A4', '\u00F0', '\u00D0', '\u00CA', '\u00CB', '\u00C8', 'i', '\u00CD', '\u00CE',
'\u00CF', '+', '+', '_', '_', '\u00A6', '\u00CC', '_', '\u00D3', '\u00DF', '\u00D4', '\u00D2', '\u00F5', '\u00D5', '\u00B5', '\u00FE',
'\u00DE', '\u00DA', '\u00DB', '\u00D9', '\u00FD', '\u00DD', '\u00AF', '\u00B4', '\u00AD', '\u00B1', '_', '\u00BE', '\u00B6', '\u00A7',
'\u00F7', '\u00B8', '\u00B0', '\u00A8', '\u00B7', '\u00B9', '\u00B3', '\u00B2', '_', ' ' ];
for (i = 0; i < str.length; i++) {
charCode = str.charCodeAt(i) & 0xFF;
if (charCode > 127)
out += extendedASCII[charCode - 128];
else
out += String.fromCharCode(charCode);
}
return out;
}
function decodeUTF8(str_data) {
var tmp_arr = [], i = 0, ac = 0, c1 = 0, c2 = 0, c3 = 0;
str_data += '';
while (i < str_data.length) {
c1 = str_data.charCodeAt(i);
if (c1 < 128) {
tmp_arr[ac++] = String.fromCharCode(c1);
i++;
} else if (c1 > 191 && c1 < 224) {
c2 = str_data.charCodeAt(i + 1);
tmp_arr[ac++] = String.fromCharCode(((c1 & 31) << 6) | (c2 & 63));
i += 2;
} else {
c2 = str_data.charCodeAt(i + 1);
c3 = str_data.charCodeAt(i + 2);
tmp_arr[ac++] = String.fromCharCode(((c1 & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
i += 3;
}
}
return tmp_arr.join('');
}
function getString(bytes) {
var i, str = "";
for (i = 0; i < bytes.length; i++)
str += String.fromCharCode(bytes[i]);
return str;
}
function getDate(timeRaw) {
var date = (timeRaw & 0xffff0000) >> 16, time = timeRaw & 0x0000ffff;
try {
return new Date(1980 + ((date & 0xFE00) >> 9), ((date & 0x01E0) >> 5) - 1, date & 0x001F, (time & 0xF800) >> 11, (time & 0x07E0) >> 5,
(time & 0x001F) * 2, 0);
} catch (e) {
}
}
function readCommonHeader(entry, data, index, centralDirectory) {
entry.version = data.view.getUint16(index, true);
entry.bitFlag = data.view.getUint16(index + 2, true);
entry.compressionMethod = data.view.getUint16(index + 4, true);
entry.lastModDateRaw = data.view.getUint32(index + 6, true);
entry.lastModDate = getDate(entry.lastModDateRaw);
if ((entry.bitFlag & 0x01) === 0x01) {
onerror(ERR_ENCRYPTED);
return;
}
if (centralDirectory || (entry.bitFlag & 0x0008) != 0x0008) {
entry.crc32 = data.view.getUint32(index + 10, true);
entry.compressedSize = data.view.getUint32(index + 14, true);
entry.uncompressedSize = data.view.getUint32(index + 18, true);
}
if (entry.compressedSize === 0xFFFFFFFF || entry.uncompressedSize === 0xFFFFFFFF) {
onerror(ERR_ZIP64);
return;
}
entry.filenameLength = data.view.getUint16(index + 22, true);
entry.extraFieldLength = data.view.getUint16(index + 24, true);
}
function createZipReader(reader, onerror) {
function Entry() {
}
Entry.prototype.getData = function(writer, onend, onprogress, checkCrc32) {
var that = this, worker;
function terminate(callback, param) {
if (worker)
worker.terminate();
worker = null;
if (callback)
callback(param);
}
function testCrc32(crc32) {
var dataCrc32 = getDataHelper(4);
dataCrc32.view.setUint32(0, crc32);
return that.crc32 == dataCrc32.view.getUint32(0);
}
function getWriterData(uncompressedSize, crc32) {
if (checkCrc32 && !testCrc32(crc32))
onreaderror();
else
writer.getData(function(data) {
terminate(onend, data);
});
}
function onreaderror() {
terminate(onerror, ERR_READ_DATA);
}
function onwriteerror() {
terminate(onerror, ERR_WRITE_DATA);
}
reader.readUint8Array(that.offset, 30, function(bytes) {
var data = getDataHelper(bytes.length, bytes), dataOffset;
if (data.view.getUint32(0) != 0x504b0304) {
onerror(ERR_BAD_FORMAT);
return;
}
readCommonHeader(that, data, 4);
dataOffset = that.offset + 30 + that.filenameLength + that.extraFieldLength;
writer.init(function() {
if (that.compressionMethod === 0)
copy(reader, writer, dataOffset, that.compressedSize, checkCrc32, getWriterData, onprogress, onreaderror, onwriteerror);
else
worker = inflate(reader, writer, dataOffset, that.compressedSize, checkCrc32, getWriterData, onprogress, onreaderror, onwriteerror);
}, onwriteerror);
}, onreaderror);
};
return {
getEntries : function(callback) {
if (reader.size < 22) {
onerror(ERR_BAD_FORMAT);
return;
}
reader.readUint8Array(reader.size - 22, 22, function(bytes) {
var dataView = getDataHelper(bytes.length, bytes).view, datalength, fileslength;
if (dataView.getUint32(0) != 0x504b0506) {
onerror(ERR_BAD_FORMAT);
return;
}
datalength = dataView.getUint32(16, true);
fileslength = dataView.getUint16(8, true);
reader.readUint8Array(datalength, reader.size - datalength, function(bytes) {
var i, index = 0, entries = [], entry, filename, comment, data = getDataHelper(bytes.length, bytes);
for (i = 0; i < fileslength; i++) {
entry = new Entry();
if (data.view.getUint32(index) != 0x504b0102) {
onerror(ERR_BAD_FORMAT);
return;
}
readCommonHeader(entry, data, index + 6, true);
entry.commentLength = data.view.getUint16(index + 32, true);
entry.directory = ((data.view.getUint8(index + 38) & 0x10) == 0x10);
entry.offset = data.view.getUint32(index + 42, true);
filename = getString(data.array.subarray(index + 46, index + 46 + entry.filenameLength));
entry.filename = ((entry.bitFlag & 0x0800) === 0x0800) ? decodeUTF8(filename) : decodeASCII(filename);
if (!entry.directory && entry.filename.charAt(entry.filename.length - 1) == "/")
entry.directory = true;
comment = getString(data.array.subarray(index + 46 + entry.filenameLength + entry.extraFieldLength, index + 46
+ entry.filenameLength + entry.extraFieldLength + entry.commentLength));
entry.comment = ((entry.bitFlag & 0x0800) === 0x0800) ? decodeUTF8(comment) : decodeASCII(comment);
entries.push(entry);
index += 46 + entry.filenameLength + entry.extraFieldLength + entry.commentLength;
}
callback(entries);
}, function() {
onerror(ERR_READ);
});
}, function() {
onerror(ERR_READ);
});
},
close : function(callback) {
if (callback)
callback();
}
};
}
// ZipWriter
function encodeUTF8(string) {
var n, c1, enc, utftext = [], start = 0, end = 0, stringl = string.length;
for (n = 0; n < stringl; n++) {
c1 = string.charCodeAt(n);
enc = null;
if (c1 < 128)
end++;
else if (c1 > 127 && c1 < 2048)
enc = String.fromCharCode((c1 >> 6) | 192) + String.fromCharCode((c1 & 63) | 128);
else
enc = String.fromCharCode((c1 >> 12) | 224) + String.fromCharCode(((c1 >> 6) & 63) | 128) + String.fromCharCode((c1 & 63) | 128);
if (enc != null) {
if (end > start)
utftext += string.slice(start, end);
utftext += enc;
start = end = n + 1;
}
}
if (end > start)
utftext += string.slice(start, stringl);
return utftext;
}
function getBytes(str) {
var i, array = [];
for (i = 0; i < str.length; i++)
array.push(str.charCodeAt(i));
return array;
}
function createZipWriter(writer, onerror, dontDeflate) {
var worker, files = [], filenames = [], datalength = 0;
function terminate(callback, message) {
if (worker)
worker.terminate();
worker = null;
if (callback)
callback(message);
}
function onwriteerror() {
terminate(onerror, ERR_WRITE);
}
function onreaderror() {
terminate(onerror, ERR_READ_DATA);
}
return {
add : function(name, reader, onend, onprogress, options) {
var header, filename, date;
function writeHeader(callback) {
var data;
date = options.lastModDate || new Date();
header = getDataHelper(26);
files[name] = {
headerArray : header.array,
directory : options.directory,
filename : filename,
offset : datalength,
comment : getBytes(encodeUTF8(options.comment || ""))
};
header.view.setUint32(0, 0x14000808);
if (options.version)
header.view.setUint8(0, options.version);
if (!dontDeflate && options.level != 0)
header.view.setUint16(4, 0x0800);
header.view.setUint16(6, (((date.getHours() << 6) | date.getMinutes()) << 5) | date.getSeconds() / 2, true);
header.view.setUint16(8, ((((date.getFullYear() - 1980) << 4) | (date.getMonth() + 1)) << 5) | date.getDate(), true);
header.view.setUint16(22, filename.length, true);
data = getDataHelper(30 + filename.length);
data.view.setUint32(0, 0x504b0304);
data.array.set(header.array, 4);
data.array.set([], 30); // FIXME: remove when chrome 18 will be stable (14: OK, 16: KO, 17: OK)
data.array.set(filename, 30);
datalength += data.array.length;
writer.writeUint8Array(data.array, callback, onwriteerror);
}
function writeFooter(compressedLength, crc32) {
var footer = getDataHelper(16);
datalength += compressedLength || 0;
footer.view.setUint32(0, 0x504b0708);
if (typeof crc32 != "undefined") {
header.view.setUint32(10, crc32, true);
footer.view.setUint32(4, crc32, true);
}
if (reader) {
footer.view.setUint32(8, compressedLength, true);
header.view.setUint32(14, compressedLength, true);
footer.view.setUint32(12, reader.size, true);
header.view.setUint32(18, reader.size, true);
}
writer.writeUint8Array(footer.array, function() {
datalength += 16;
terminate(onend);
}, onwriteerror);
}
function writeFile() {
options = options || {};
name = name.trim();
if (options.directory && name.charAt(name.length - 1) != "/")
name += "/";
if (files[name])
throw ERR_DUPLICATED_NAME;
filename = getBytes(encodeUTF8(name));
filenames.push(name);
writeHeader(function() {
if (reader)
if (dontDeflate || options.level == 0)
copy(reader, writer, 0, reader.size, true, writeFooter, onprogress, onreaderror, onwriteerror);
else
worker = deflate(reader, writer, options.level, writeFooter, onprogress, onreaderror, onwriteerror);
else
writeFooter();
}, onwriteerror);
}
if (reader)
reader.init(writeFile, onreaderror);
else
writeFile();
},
close : function(callback) {
var data, length = 0, index = 0;
filenames.forEach(function(name) {
var file = files[name];
length += 46 + file.filename.length + file.comment.length;
});
data = getDataHelper(length + 22);
filenames.forEach(function(name) {
var file = files[name];
data.view.setUint32(index, 0x504b0102);
data.view.setUint16(index + 4, 0x1400);
data.array.set(file.headerArray, index + 6);
data.view.setUint16(index + 32, file.comment.length, true);
if (file.directory)
data.view.setUint8(index + 38, 0x10);
data.view.setUint32(index + 42, file.offset, true);
data.array.set(file.filename, index + 46);
data.array.set(file.comment, index + 46 + file.filename.length);
index += 46 + file.filename.length + file.comment.length;
});
data.view.setUint32(index, 0x504b0506);
data.view.setUint16(index + 8, filenames.length, true);
data.view.setUint16(index + 10, filenames.length, true);
data.view.setUint32(index + 12, length, true);
data.view.setUint32(index + 16, datalength, true);
writer.writeUint8Array(data.array, function() {
terminate(function() {
writer.getData(callback);
});
}, onwriteerror);
}
};
}
if (typeof BlobBuilder == "undefined") {
BlobBuilder = function() {
var that = this, blobParts;
function initBlobParts() {
if (!blobParts) {
blobParts = [ new Blob() ]
}
}
that.append = function(data) {
initBlobParts();
blobParts.push(data);
};
that.getBlob = function(contentType) {
initBlobParts();
if (blobParts.length > 1 || blobParts[0].type != contentType) {
blobParts = [ contentType ? new Blob(blobParts, {
type : contentType
}) : new Blob(blobParts) ];
}
return blobParts[0];
};
};
}
obj.zip = {
Reader : Reader,
Writer : Writer,
BlobReader : BlobReader,
HttpReader : HttpReader,
HttpRangeReader : HttpRangeReader,
Data64URIReader : Data64URIReader,
TextReader : TextReader,
BlobWriter : BlobWriter,
FileWriter : FileWriter,
Data64URIWriter : Data64URIWriter,
TextWriter : TextWriter,
createReader : function(reader, callback, onerror) {
reader.init(function() {
callback(createZipReader(reader, onerror));
}, onerror);
},
createWriter : function(writer, callback, onerror, dontDeflate) {
writer.init(function() {
callback(createZipWriter(writer, onerror, dontDeflate));
}, onerror);
},
workerScriptsPath : "",
useWebWorkers : true
};
})(this);