1.1 --- a/bootstrap-source/bootstrap-3.0.3/docs-assets/js/jszip.js Sat Jan 18 12:34:36 2014 +0100
1.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
1.3 @@ -1,1474 +0,0 @@
1.4 -/**
1.5 -
1.6 -JSZip - A Javascript class for generating and reading zip files
1.7 -<http://stuartk.com/jszip>
1.8 -
1.9 -(c) 2009-2012 Stuart Knightley <stuart [at] stuartk.com>
1.10 -Dual licenced under the MIT license or GPLv3. See LICENSE.markdown.
1.11 -
1.12 -Usage:
1.13 - zip = new JSZip();
1.14 - zip.file("hello.txt", "Hello, World!").file("tempfile", "nothing");
1.15 - zip.folder("images").file("smile.gif", base64Data, {base64: true});
1.16 - zip.file("Xmas.txt", "Ho ho ho !", {date : new Date("December 25, 2007 00:00:01")});
1.17 - zip.remove("tempfile");
1.18 -
1.19 - base64zip = zip.generate();
1.20 -
1.21 -**/
1.22 -// We use strict, but it should not be placed outside of a function because
1.23 -// the environment is shared inside the browser.
1.24 -// "use strict";
1.25 -
1.26 -/**
1.27 - * Representation a of zip file in js
1.28 - * @constructor
1.29 - * @param {String=|ArrayBuffer=|Uint8Array=|Buffer=} data the data to load, if any (optional).
1.30 - * @param {Object=} options the options for creating this objects (optional).
1.31 - */
1.32 -var JSZip = function(data, options) {
1.33 - // object containing the files :
1.34 - // {
1.35 - // "folder/" : {...},
1.36 - // "folder/data.txt" : {...}
1.37 - // }
1.38 - this.files = {};
1.39 -
1.40 - // Where we are in the hierarchy
1.41 - this.root = "";
1.42 -
1.43 - if (data) {
1.44 - this.load(data, options);
1.45 - }
1.46 -};
1.47 -
1.48 -JSZip.signature = {
1.49 - LOCAL_FILE_HEADER : "\x50\x4b\x03\x04",
1.50 - CENTRAL_FILE_HEADER : "\x50\x4b\x01\x02",
1.51 - CENTRAL_DIRECTORY_END : "\x50\x4b\x05\x06",
1.52 - ZIP64_CENTRAL_DIRECTORY_LOCATOR : "\x50\x4b\x06\x07",
1.53 - ZIP64_CENTRAL_DIRECTORY_END : "\x50\x4b\x06\x06",
1.54 - DATA_DESCRIPTOR : "\x50\x4b\x07\x08"
1.55 -};
1.56 -
1.57 -// Default properties for a new file
1.58 -JSZip.defaults = {
1.59 - base64: false,
1.60 - binary: false,
1.61 - dir: false,
1.62 - date: null,
1.63 - compression: null
1.64 -};
1.65 -
1.66 -/*
1.67 - * List features that require a modern browser, and if the current browser support them.
1.68 - */
1.69 -JSZip.support = {
1.70 - // contains true if JSZip can read/generate ArrayBuffer, false otherwise.
1.71 - arraybuffer : (function(){
1.72 - return typeof ArrayBuffer !== "undefined" && typeof Uint8Array !== "undefined";
1.73 - })(),
1.74 - // contains true if JSZip can read/generate nodejs Buffer, false otherwise.
1.75 - nodebuffer : (function(){
1.76 - return typeof Buffer !== "undefined";
1.77 - })(),
1.78 - // contains true if JSZip can read/generate Uint8Array, false otherwise.
1.79 - uint8array : (function(){
1.80 - return typeof Uint8Array !== "undefined";
1.81 - })(),
1.82 - // contains true if JSZip can read/generate Blob, false otherwise.
1.83 - blob : (function(){
1.84 - // the spec started with BlobBuilder then replaced it with a construtor for Blob.
1.85 - // Result : we have browsers that :
1.86 - // * know the BlobBuilder (but with prefix)
1.87 - // * know the Blob constructor
1.88 - // * know about Blob but not about how to build them
1.89 - // About the "=== 0" test : if given the wrong type, it may be converted to a string.
1.90 - // Instead of an empty content, we will get "[object Uint8Array]" for example.
1.91 - if (typeof ArrayBuffer === "undefined") {
1.92 - return false;
1.93 - }
1.94 - var buffer = new ArrayBuffer(0);
1.95 - try {
1.96 - return new Blob([buffer], { type: "application/zip" }).size === 0;
1.97 - }
1.98 - catch(e) {}
1.99 -
1.100 - try {
1.101 - var BlobBuilder = window.BlobBuilder || window.WebKitBlobBuilder || window.MozBlobBuilder || window.MSBlobBuilder;
1.102 - var builder = new BlobBuilder();
1.103 - builder.append(buffer);
1.104 - return builder.getBlob('application/zip').size === 0;
1.105 - }
1.106 - catch(e) {}
1.107 -
1.108 - return false;
1.109 - })()
1.110 -};
1.111 -
1.112 -JSZip.prototype = (function () {
1.113 - var textEncoder, textDecoder;
1.114 - if (
1.115 - JSZip.support.uint8array &&
1.116 - typeof TextEncoder === "function" &&
1.117 - typeof TextDecoder === "function"
1.118 - ) {
1.119 - textEncoder = new TextEncoder("utf-8");
1.120 - textDecoder = new TextDecoder("utf-8");
1.121 - }
1.122 -
1.123 - /**
1.124 - * Returns the raw data of a ZipObject, decompress the content if necessary.
1.125 - * @param {ZipObject} file the file to use.
1.126 - * @return {String|ArrayBuffer|Uint8Array|Buffer} the data.
1.127 - */
1.128 - var getRawData = function (file) {
1.129 - if (file._data instanceof JSZip.CompressedObject) {
1.130 - file._data = file._data.getContent();
1.131 - file.options.binary = true;
1.132 - file.options.base64 = false;
1.133 -
1.134 - if (JSZip.utils.getTypeOf(file._data) === "uint8array") {
1.135 - var copy = file._data;
1.136 - // when reading an arraybuffer, the CompressedObject mechanism will keep it and subarray() a Uint8Array.
1.137 - // if we request a file in the same format, we might get the same Uint8Array or its ArrayBuffer (the original zip file).
1.138 - file._data = new Uint8Array(copy.length);
1.139 - // with an empty Uint8Array, Opera fails with a "Offset larger than array size"
1.140 - if (copy.length !== 0) {
1.141 - file._data.set(copy, 0);
1.142 - }
1.143 - }
1.144 - }
1.145 - return file._data;
1.146 - };
1.147 -
1.148 - /**
1.149 - * Returns the data of a ZipObject in a binary form. If the content is an unicode string, encode it.
1.150 - * @param {ZipObject} file the file to use.
1.151 - * @return {String|ArrayBuffer|Uint8Array|Buffer} the data.
1.152 - */
1.153 - var getBinaryData = function (file) {
1.154 - var result = getRawData(file), type = JSZip.utils.getTypeOf(result);
1.155 - if (type === "string") {
1.156 - if (!file.options.binary) {
1.157 - // unicode text !
1.158 - // unicode string => binary string is a painful process, check if we can avoid it.
1.159 - if (textEncoder) {
1.160 - return textEncoder.encode(result);
1.161 - }
1.162 - if (JSZip.support.nodebuffer) {
1.163 - return new Buffer(result, "utf-8");
1.164 - }
1.165 - }
1.166 - return file.asBinary();
1.167 - }
1.168 - return result;
1.169 - };
1.170 -
1.171 - /**
1.172 - * Transform this._data into a string.
1.173 - * @param {function} filter a function String -> String, applied if not null on the result.
1.174 - * @return {String} the string representing this._data.
1.175 - */
1.176 - var dataToString = function (asUTF8) {
1.177 - var result = getRawData(this);
1.178 - if (result === null || typeof result === "undefined") {
1.179 - return "";
1.180 - }
1.181 - // if the data is a base64 string, we decode it before checking the encoding !
1.182 - if (this.options.base64) {
1.183 - result = JSZip.base64.decode(result);
1.184 - }
1.185 - if (asUTF8 && this.options.binary) {
1.186 - // JSZip.prototype.utf8decode supports arrays as input
1.187 - // skip to array => string step, utf8decode will do it.
1.188 - result = JSZip.prototype.utf8decode(result);
1.189 - } else {
1.190 - // no utf8 transformation, do the array => string step.
1.191 - result = JSZip.utils.transformTo("string", result);
1.192 - }
1.193 -
1.194 - if (!asUTF8 && !this.options.binary) {
1.195 - result = JSZip.prototype.utf8encode(result);
1.196 - }
1.197 - return result;
1.198 - };
1.199 - /**
1.200 - * A simple object representing a file in the zip file.
1.201 - * @constructor
1.202 - * @param {string} name the name of the file
1.203 - * @param {String|ArrayBuffer|Uint8Array|Buffer} data the data
1.204 - * @param {Object} options the options of the file
1.205 - */
1.206 - var ZipObject = function (name, data, options) {
1.207 - this.name = name;
1.208 - this._data = data;
1.209 - this.options = options;
1.210 - };
1.211 -
1.212 - ZipObject.prototype = {
1.213 - /**
1.214 - * Return the content as UTF8 string.
1.215 - * @return {string} the UTF8 string.
1.216 - */
1.217 - asText : function () {
1.218 - return dataToString.call(this, true);
1.219 - },
1.220 - /**
1.221 - * Returns the binary content.
1.222 - * @return {string} the content as binary.
1.223 - */
1.224 - asBinary : function () {
1.225 - return dataToString.call(this, false);
1.226 - },
1.227 - /**
1.228 - * Returns the content as a nodejs Buffer.
1.229 - * @return {Buffer} the content as a Buffer.
1.230 - */
1.231 - asNodeBuffer : function () {
1.232 - var result = getBinaryData(this);
1.233 - return JSZip.utils.transformTo("nodebuffer", result);
1.234 - },
1.235 - /**
1.236 - * Returns the content as an Uint8Array.
1.237 - * @return {Uint8Array} the content as an Uint8Array.
1.238 - */
1.239 - asUint8Array : function () {
1.240 - var result = getBinaryData(this);
1.241 - return JSZip.utils.transformTo("uint8array", result);
1.242 - },
1.243 - /**
1.244 - * Returns the content as an ArrayBuffer.
1.245 - * @return {ArrayBuffer} the content as an ArrayBufer.
1.246 - */
1.247 - asArrayBuffer : function () {
1.248 - return this.asUint8Array().buffer;
1.249 - }
1.250 - };
1.251 -
1.252 - /**
1.253 - * Transform an integer into a string in hexadecimal.
1.254 - * @private
1.255 - * @param {number} dec the number to convert.
1.256 - * @param {number} bytes the number of bytes to generate.
1.257 - * @returns {string} the result.
1.258 - */
1.259 - var decToHex = function(dec, bytes) {
1.260 - var hex = "", i;
1.261 - for(i = 0; i < bytes; i++) {
1.262 - hex += String.fromCharCode(dec&0xff);
1.263 - dec=dec>>>8;
1.264 - }
1.265 - return hex;
1.266 - };
1.267 -
1.268 - /**
1.269 - * Merge the objects passed as parameters into a new one.
1.270 - * @private
1.271 - * @param {...Object} var_args All objects to merge.
1.272 - * @return {Object} a new object with the data of the others.
1.273 - */
1.274 - var extend = function () {
1.275 - var result = {}, i, attr;
1.276 - for (i = 0; i < arguments.length; i++) { // arguments is not enumerable in some browsers
1.277 - for (attr in arguments[i]) {
1.278 - if (arguments[i].hasOwnProperty(attr) && typeof result[attr] === "undefined") {
1.279 - result[attr] = arguments[i][attr];
1.280 - }
1.281 - }
1.282 - }
1.283 - return result;
1.284 - };
1.285 -
1.286 - /**
1.287 - * Transforms the (incomplete) options from the user into the complete
1.288 - * set of options to create a file.
1.289 - * @private
1.290 - * @param {Object} o the options from the user.
1.291 - * @return {Object} the complete set of options.
1.292 - */
1.293 - var prepareFileAttrs = function (o) {
1.294 - o = o || {};
1.295 - /*jshint -W041 */
1.296 - if (o.base64 === true && o.binary == null) {
1.297 - o.binary = true;
1.298 - }
1.299 - /*jshint +W041 */
1.300 - o = extend(o, JSZip.defaults);
1.301 - o.date = o.date || new Date();
1.302 - if (o.compression !== null) o.compression = o.compression.toUpperCase();
1.303 -
1.304 - return o;
1.305 - };
1.306 -
1.307 - /**
1.308 - * Add a file in the current folder.
1.309 - * @private
1.310 - * @param {string} name the name of the file
1.311 - * @param {String|ArrayBuffer|Uint8Array|Buffer} data the data of the file
1.312 - * @param {Object} o the options of the file
1.313 - * @return {Object} the new file.
1.314 - */
1.315 - var fileAdd = function (name, data, o) {
1.316 - // be sure sub folders exist
1.317 - var parent = parentFolder(name), dataType = JSZip.utils.getTypeOf(data);
1.318 - if (parent) {
1.319 - folderAdd.call(this, parent);
1.320 - }
1.321 -
1.322 - o = prepareFileAttrs(o);
1.323 -
1.324 - if (o.dir || data === null || typeof data === "undefined") {
1.325 - o.base64 = false;
1.326 - o.binary = false;
1.327 - data = null;
1.328 - } else if (dataType === "string") {
1.329 - if (o.binary && !o.base64) {
1.330 - // optimizedBinaryString == true means that the file has already been filtered with a 0xFF mask
1.331 - if (o.optimizedBinaryString !== true) {
1.332 - // this is a string, not in a base64 format.
1.333 - // Be sure that this is a correct "binary string"
1.334 - data = JSZip.utils.string2binary(data);
1.335 - }
1.336 - }
1.337 - } else { // arraybuffer, uint8array, ...
1.338 - o.base64 = false;
1.339 - o.binary = true;
1.340 -
1.341 - if (!dataType && !(data instanceof JSZip.CompressedObject)) {
1.342 - throw new Error("The data of '" + name + "' is in an unsupported format !");
1.343 - }
1.344 -
1.345 - // special case : it's way easier to work with Uint8Array than with ArrayBuffer
1.346 - if (dataType === "arraybuffer") {
1.347 - data = JSZip.utils.transformTo("uint8array", data);
1.348 - }
1.349 - }
1.350 -
1.351 - var object = new ZipObject(name, data, o);
1.352 - this.files[name] = object;
1.353 - return object;
1.354 - };
1.355 -
1.356 -
1.357 - /**
1.358 - * Find the parent folder of the path.
1.359 - * @private
1.360 - * @param {string} path the path to use
1.361 - * @return {string} the parent folder, or ""
1.362 - */
1.363 - var parentFolder = function (path) {
1.364 - if (path.slice(-1) == '/') {
1.365 - path = path.substring(0, path.length - 1);
1.366 - }
1.367 - var lastSlash = path.lastIndexOf('/');
1.368 - return (lastSlash > 0) ? path.substring(0, lastSlash) : "";
1.369 - };
1.370 -
1.371 - /**
1.372 - * Add a (sub) folder in the current folder.
1.373 - * @private
1.374 - * @param {string} name the folder's name
1.375 - * @return {Object} the new folder.
1.376 - */
1.377 - var folderAdd = function (name) {
1.378 - // Check the name ends with a /
1.379 - if (name.slice(-1) != "/") {
1.380 - name += "/"; // IE doesn't like substr(-1)
1.381 - }
1.382 -
1.383 - // Does this folder already exist?
1.384 - if (!this.files[name]) {
1.385 - fileAdd.call(this, name, null, {dir:true});
1.386 - }
1.387 - return this.files[name];
1.388 - };
1.389 -
1.390 - /**
1.391 - * Generate a JSZip.CompressedObject for a given zipOject.
1.392 - * @param {ZipObject} file the object to read.
1.393 - * @param {JSZip.compression} compression the compression to use.
1.394 - * @return {JSZip.CompressedObject} the compressed result.
1.395 - */
1.396 - var generateCompressedObjectFrom = function (file, compression) {
1.397 - var result = new JSZip.CompressedObject(), content;
1.398 -
1.399 - // the data has not been decompressed, we might reuse things !
1.400 - if (file._data instanceof JSZip.CompressedObject) {
1.401 - result.uncompressedSize = file._data.uncompressedSize;
1.402 - result.crc32 = file._data.crc32;
1.403 -
1.404 - if (result.uncompressedSize === 0 || file.options.dir) {
1.405 - compression = JSZip.compressions['STORE'];
1.406 - result.compressedContent = "";
1.407 - result.crc32 = 0;
1.408 - } else if (file._data.compressionMethod === compression.magic) {
1.409 - result.compressedContent = file._data.getCompressedContent();
1.410 - } else {
1.411 - content = file._data.getContent();
1.412 - // need to decompress / recompress
1.413 - result.compressedContent = compression.compress(JSZip.utils.transformTo(compression.compressInputType, content));
1.414 - }
1.415 - } else {
1.416 - // have uncompressed data
1.417 - content = getBinaryData(file);
1.418 - if (!content || content.length === 0 || file.options.dir) {
1.419 - compression = JSZip.compressions['STORE'];
1.420 - content = "";
1.421 - }
1.422 - result.uncompressedSize = content.length;
1.423 - result.crc32 = this.crc32(content);
1.424 - result.compressedContent = compression.compress(JSZip.utils.transformTo(compression.compressInputType, content));
1.425 - }
1.426 -
1.427 - result.compressedSize = result.compressedContent.length;
1.428 - result.compressionMethod = compression.magic;
1.429 -
1.430 - return result;
1.431 - };
1.432 -
1.433 - /**
1.434 - * Generate the various parts used in the construction of the final zip file.
1.435 - * @param {string} name the file name.
1.436 - * @param {ZipObject} file the file content.
1.437 - * @param {JSZip.CompressedObject} compressedObject the compressed object.
1.438 - * @param {number} offset the current offset from the start of the zip file.
1.439 - * @return {object} the zip parts.
1.440 - */
1.441 - var generateZipParts = function(name, file, compressedObject, offset) {
1.442 - var data = compressedObject.compressedContent,
1.443 - utfEncodedFileName = this.utf8encode(file.name),
1.444 - useUTF8 = utfEncodedFileName !== file.name,
1.445 - o = file.options,
1.446 - dosTime,
1.447 - dosDate;
1.448 -
1.449 - // date
1.450 - // @see http://www.delorie.com/djgpp/doc/rbinter/it/52/13.html
1.451 - // @see http://www.delorie.com/djgpp/doc/rbinter/it/65/16.html
1.452 - // @see http://www.delorie.com/djgpp/doc/rbinter/it/66/16.html
1.453 -
1.454 - dosTime = o.date.getHours();
1.455 - dosTime = dosTime << 6;
1.456 - dosTime = dosTime | o.date.getMinutes();
1.457 - dosTime = dosTime << 5;
1.458 - dosTime = dosTime | o.date.getSeconds() / 2;
1.459 -
1.460 - dosDate = o.date.getFullYear() - 1980;
1.461 - dosDate = dosDate << 4;
1.462 - dosDate = dosDate | (o.date.getMonth() + 1);
1.463 - dosDate = dosDate << 5;
1.464 - dosDate = dosDate | o.date.getDate();
1.465 -
1.466 -
1.467 - var header = "";
1.468 -
1.469 - // version needed to extract
1.470 - header += "\x0A\x00";
1.471 - // general purpose bit flag
1.472 - // set bit 11 if utf8
1.473 - header += useUTF8 ? "\x00\x08" : "\x00\x00";
1.474 - // compression method
1.475 - header += compressedObject.compressionMethod;
1.476 - // last mod file time
1.477 - header += decToHex(dosTime, 2);
1.478 - // last mod file date
1.479 - header += decToHex(dosDate, 2);
1.480 - // crc-32
1.481 - header += decToHex(compressedObject.crc32, 4);
1.482 - // compressed size
1.483 - header += decToHex(compressedObject.compressedSize, 4);
1.484 - // uncompressed size
1.485 - header += decToHex(compressedObject.uncompressedSize, 4);
1.486 - // file name length
1.487 - header += decToHex(utfEncodedFileName.length, 2);
1.488 - // extra field length
1.489 - header += "\x00\x00";
1.490 -
1.491 -
1.492 - var fileRecord = JSZip.signature.LOCAL_FILE_HEADER + header + utfEncodedFileName;
1.493 -
1.494 - var dirRecord = JSZip.signature.CENTRAL_FILE_HEADER +
1.495 - // version made by (00: DOS)
1.496 - "\x14\x00" +
1.497 - // file header (common to file and central directory)
1.498 - header +
1.499 - // file comment length
1.500 - "\x00\x00" +
1.501 - // disk number start
1.502 - "\x00\x00" +
1.503 - // internal file attributes TODO
1.504 - "\x00\x00" +
1.505 - // external file attributes
1.506 - (file.options.dir===true?"\x10\x00\x00\x00":"\x00\x00\x00\x00")+
1.507 - // relative offset of local header
1.508 - decToHex(offset, 4) +
1.509 - // file name
1.510 - utfEncodedFileName;
1.511 -
1.512 -
1.513 - return {
1.514 - fileRecord : fileRecord,
1.515 - dirRecord : dirRecord,
1.516 - compressedObject : compressedObject
1.517 - };
1.518 - };
1.519 -
1.520 - /**
1.521 - * An object to write any content to a string.
1.522 - * @constructor
1.523 - */
1.524 - var StringWriter = function () {
1.525 - this.data = [];
1.526 - };
1.527 - StringWriter.prototype = {
1.528 - /**
1.529 - * Append any content to the current string.
1.530 - * @param {Object} input the content to add.
1.531 - */
1.532 - append : function (input) {
1.533 - input = JSZip.utils.transformTo("string", input);
1.534 - this.data.push(input);
1.535 - },
1.536 - /**
1.537 - * Finalize the construction an return the result.
1.538 - * @return {string} the generated string.
1.539 - */
1.540 - finalize : function () {
1.541 - return this.data.join("");
1.542 - }
1.543 - };
1.544 - /**
1.545 - * An object to write any content to an Uint8Array.
1.546 - * @constructor
1.547 - * @param {number} length The length of the array.
1.548 - */
1.549 - var Uint8ArrayWriter = function (length) {
1.550 - this.data = new Uint8Array(length);
1.551 - this.index = 0;
1.552 - };
1.553 - Uint8ArrayWriter.prototype = {
1.554 - /**
1.555 - * Append any content to the current array.
1.556 - * @param {Object} input the content to add.
1.557 - */
1.558 - append : function (input) {
1.559 - if (input.length !== 0) {
1.560 - // with an empty Uint8Array, Opera fails with a "Offset larger than array size"
1.561 - input = JSZip.utils.transformTo("uint8array", input);
1.562 - this.data.set(input, this.index);
1.563 - this.index += input.length;
1.564 - }
1.565 - },
1.566 - /**
1.567 - * Finalize the construction an return the result.
1.568 - * @return {Uint8Array} the generated array.
1.569 - */
1.570 - finalize : function () {
1.571 - return this.data;
1.572 - }
1.573 - };
1.574 -
1.575 - // return the actual prototype of JSZip
1.576 - return {
1.577 - /**
1.578 - * Read an existing zip and merge the data in the current JSZip object.
1.579 - * The implementation is in jszip-load.js, don't forget to include it.
1.580 - * @param {String|ArrayBuffer|Uint8Array|Buffer} stream The stream to load
1.581 - * @param {Object} options Options for loading the stream.
1.582 - * options.base64 : is the stream in base64 ? default : false
1.583 - * @return {JSZip} the current JSZip object
1.584 - */
1.585 - load : function (stream, options) {
1.586 - throw new Error("Load method is not defined. Is the file jszip-load.js included ?");
1.587 - },
1.588 -
1.589 - /**
1.590 - * Filter nested files/folders with the specified function.
1.591 - * @param {Function} search the predicate to use :
1.592 - * function (relativePath, file) {...}
1.593 - * It takes 2 arguments : the relative path and the file.
1.594 - * @return {Array} An array of matching elements.
1.595 - */
1.596 - filter : function (search) {
1.597 - var result = [], filename, relativePath, file, fileClone;
1.598 - for (filename in this.files) {
1.599 - if ( !this.files.hasOwnProperty(filename) ) { continue; }
1.600 - file = this.files[filename];
1.601 - // return a new object, don't let the user mess with our internal objects :)
1.602 - fileClone = new ZipObject(file.name, file._data, extend(file.options));
1.603 - relativePath = filename.slice(this.root.length, filename.length);
1.604 - if (filename.slice(0, this.root.length) === this.root && // the file is in the current root
1.605 - search(relativePath, fileClone)) { // and the file matches the function
1.606 - result.push(fileClone);
1.607 - }
1.608 - }
1.609 - return result;
1.610 - },
1.611 -
1.612 - /**
1.613 - * Add a file to the zip file, or search a file.
1.614 - * @param {string|RegExp} name The name of the file to add (if data is defined),
1.615 - * the name of the file to find (if no data) or a regex to match files.
1.616 - * @param {String|ArrayBuffer|Uint8Array|Buffer} data The file data, either raw or base64 encoded
1.617 - * @param {Object} o File options
1.618 - * @return {JSZip|Object|Array} this JSZip object (when adding a file),
1.619 - * a file (when searching by string) or an array of files (when searching by regex).
1.620 - */
1.621 - file : function(name, data, o) {
1.622 - if (arguments.length === 1) {
1.623 - if (JSZip.utils.isRegExp(name)) {
1.624 - var regexp = name;
1.625 - return this.filter(function(relativePath, file) {
1.626 - return !file.options.dir && regexp.test(relativePath);
1.627 - });
1.628 - } else { // text
1.629 - return this.filter(function (relativePath, file) {
1.630 - return !file.options.dir && relativePath === name;
1.631 - })[0]||null;
1.632 - }
1.633 - } else { // more than one argument : we have data !
1.634 - name = this.root+name;
1.635 - fileAdd.call(this, name, data, o);
1.636 - }
1.637 - return this;
1.638 - },
1.639 -
1.640 - /**
1.641 - * Add a directory to the zip file, or search.
1.642 - * @param {String|RegExp} arg The name of the directory to add, or a regex to search folders.
1.643 - * @return {JSZip} an object with the new directory as the root, or an array containing matching folders.
1.644 - */
1.645 - folder : function(arg) {
1.646 - if (!arg) {
1.647 - return this;
1.648 - }
1.649 -
1.650 - if (JSZip.utils.isRegExp(arg)) {
1.651 - return this.filter(function(relativePath, file) {
1.652 - return file.options.dir && arg.test(relativePath);
1.653 - });
1.654 - }
1.655 -
1.656 - // else, name is a new folder
1.657 - var name = this.root + arg;
1.658 - var newFolder = folderAdd.call(this, name);
1.659 -
1.660 - // Allow chaining by returning a new object with this folder as the root
1.661 - var ret = this.clone();
1.662 - ret.root = newFolder.name;
1.663 - return ret;
1.664 - },
1.665 -
1.666 - /**
1.667 - * Delete a file, or a directory and all sub-files, from the zip
1.668 - * @param {string} name the name of the file to delete
1.669 - * @return {JSZip} this JSZip object
1.670 - */
1.671 - remove : function(name) {
1.672 - name = this.root + name;
1.673 - var file = this.files[name];
1.674 - if (!file) {
1.675 - // Look for any folders
1.676 - if (name.slice(-1) != "/") {
1.677 - name += "/";
1.678 - }
1.679 - file = this.files[name];
1.680 - }
1.681 -
1.682 - if (file) {
1.683 - if (!file.options.dir) {
1.684 - // file
1.685 - delete this.files[name];
1.686 - } else {
1.687 - // folder
1.688 - var kids = this.filter(function (relativePath, file) {
1.689 - return file.name.slice(0, name.length) === name;
1.690 - });
1.691 - for (var i = 0; i < kids.length; i++) {
1.692 - delete this.files[kids[i].name];
1.693 - }
1.694 - }
1.695 - }
1.696 -
1.697 - return this;
1.698 - },
1.699 -
1.700 - /**
1.701 - * Generate the complete zip file
1.702 - * @param {Object} options the options to generate the zip file :
1.703 - * - base64, (deprecated, use type instead) true to generate base64.
1.704 - * - compression, "STORE" by default.
1.705 - * - type, "base64" by default. Values are : string, base64, uint8array, arraybuffer, blob.
1.706 - * @return {String|Uint8Array|ArrayBuffer|Buffer|Blob} the zip file
1.707 - */
1.708 - generate : function(options) {
1.709 - options = extend(options || {}, {
1.710 - base64 : true,
1.711 - compression : "STORE",
1.712 - type : "base64"
1.713 - });
1.714 -
1.715 - JSZip.utils.checkSupport(options.type);
1.716 -
1.717 - var zipData = [], localDirLength = 0, centralDirLength = 0, writer, i;
1.718 -
1.719 -
1.720 - // first, generate all the zip parts.
1.721 - for (var name in this.files) {
1.722 - if ( !this.files.hasOwnProperty(name) ) { continue; }
1.723 - var file = this.files[name];
1.724 -
1.725 - var compressionName = file.options.compression || options.compression.toUpperCase();
1.726 - var compression = JSZip.compressions[compressionName];
1.727 - if (!compression) {
1.728 - throw new Error(compressionName + " is not a valid compression method !");
1.729 - }
1.730 -
1.731 - var compressedObject = generateCompressedObjectFrom.call(this, file, compression);
1.732 -
1.733 - var zipPart = generateZipParts.call(this, name, file, compressedObject, localDirLength);
1.734 - localDirLength += zipPart.fileRecord.length + compressedObject.compressedSize;
1.735 - centralDirLength += zipPart.dirRecord.length;
1.736 - zipData.push(zipPart);
1.737 - }
1.738 -
1.739 - var dirEnd = "";
1.740 -
1.741 - // end of central dir signature
1.742 - dirEnd = JSZip.signature.CENTRAL_DIRECTORY_END +
1.743 - // number of this disk
1.744 - "\x00\x00" +
1.745 - // number of the disk with the start of the central directory
1.746 - "\x00\x00" +
1.747 - // total number of entries in the central directory on this disk
1.748 - decToHex(zipData.length, 2) +
1.749 - // total number of entries in the central directory
1.750 - decToHex(zipData.length, 2) +
1.751 - // size of the central directory 4 bytes
1.752 - decToHex(centralDirLength, 4) +
1.753 - // offset of start of central directory with respect to the starting disk number
1.754 - decToHex(localDirLength, 4) +
1.755 - // .ZIP file comment length
1.756 - "\x00\x00";
1.757 -
1.758 -
1.759 - // we have all the parts (and the total length)
1.760 - // time to create a writer !
1.761 - switch(options.type.toLowerCase()) {
1.762 - case "uint8array" :
1.763 - case "arraybuffer" :
1.764 - case "blob" :
1.765 - case "nodebuffer" :
1.766 - writer = new Uint8ArrayWriter(localDirLength + centralDirLength + dirEnd.length);
1.767 - break;
1.768 - // case "base64" :
1.769 - // case "string" :
1.770 - default :
1.771 - writer = new StringWriter(localDirLength + centralDirLength + dirEnd.length);
1.772 - break;
1.773 - }
1.774 -
1.775 - for (i = 0; i < zipData.length; i++) {
1.776 - writer.append(zipData[i].fileRecord);
1.777 - writer.append(zipData[i].compressedObject.compressedContent);
1.778 - }
1.779 - for (i = 0; i < zipData.length; i++) {
1.780 - writer.append(zipData[i].dirRecord);
1.781 - }
1.782 -
1.783 - writer.append(dirEnd);
1.784 -
1.785 - var zip = writer.finalize();
1.786 -
1.787 -
1.788 -
1.789 - switch(options.type.toLowerCase()) {
1.790 - // case "zip is an Uint8Array"
1.791 - case "uint8array" :
1.792 - case "arraybuffer" :
1.793 - case "nodebuffer" :
1.794 - return JSZip.utils.transformTo(options.type.toLowerCase(), zip);
1.795 - case "blob" :
1.796 - return JSZip.utils.arrayBuffer2Blob(JSZip.utils.transformTo("arraybuffer", zip));
1.797 -
1.798 - // case "zip is a string"
1.799 - case "base64" :
1.800 - return (options.base64) ? JSZip.base64.encode(zip) : zip;
1.801 - default : // case "string" :
1.802 - return zip;
1.803 - }
1.804 - },
1.805 -
1.806 - /**
1.807 - *
1.808 - * Javascript crc32
1.809 - * http://www.webtoolkit.info/
1.810 - *
1.811 - */
1.812 - crc32 : function crc32(input, crc) {
1.813 - if (typeof input === "undefined" || !input.length) {
1.814 - return 0;
1.815 - }
1.816 -
1.817 - var isArray = JSZip.utils.getTypeOf(input) !== "string";
1.818 -
1.819 - var table = [
1.820 - 0x00000000, 0x77073096, 0xEE0E612C, 0x990951BA,
1.821 - 0x076DC419, 0x706AF48F, 0xE963A535, 0x9E6495A3,
1.822 - 0x0EDB8832, 0x79DCB8A4, 0xE0D5E91E, 0x97D2D988,
1.823 - 0x09B64C2B, 0x7EB17CBD, 0xE7B82D07, 0x90BF1D91,
1.824 - 0x1DB71064, 0x6AB020F2, 0xF3B97148, 0x84BE41DE,
1.825 - 0x1ADAD47D, 0x6DDDE4EB, 0xF4D4B551, 0x83D385C7,
1.826 - 0x136C9856, 0x646BA8C0, 0xFD62F97A, 0x8A65C9EC,
1.827 - 0x14015C4F, 0x63066CD9, 0xFA0F3D63, 0x8D080DF5,
1.828 - 0x3B6E20C8, 0x4C69105E, 0xD56041E4, 0xA2677172,
1.829 - 0x3C03E4D1, 0x4B04D447, 0xD20D85FD, 0xA50AB56B,
1.830 - 0x35B5A8FA, 0x42B2986C, 0xDBBBC9D6, 0xACBCF940,
1.831 - 0x32D86CE3, 0x45DF5C75, 0xDCD60DCF, 0xABD13D59,
1.832 - 0x26D930AC, 0x51DE003A, 0xC8D75180, 0xBFD06116,
1.833 - 0x21B4F4B5, 0x56B3C423, 0xCFBA9599, 0xB8BDA50F,
1.834 - 0x2802B89E, 0x5F058808, 0xC60CD9B2, 0xB10BE924,
1.835 - 0x2F6F7C87, 0x58684C11, 0xC1611DAB, 0xB6662D3D,
1.836 - 0x76DC4190, 0x01DB7106, 0x98D220BC, 0xEFD5102A,
1.837 - 0x71B18589, 0x06B6B51F, 0x9FBFE4A5, 0xE8B8D433,
1.838 - 0x7807C9A2, 0x0F00F934, 0x9609A88E, 0xE10E9818,
1.839 - 0x7F6A0DBB, 0x086D3D2D, 0x91646C97, 0xE6635C01,
1.840 - 0x6B6B51F4, 0x1C6C6162, 0x856530D8, 0xF262004E,
1.841 - 0x6C0695ED, 0x1B01A57B, 0x8208F4C1, 0xF50FC457,
1.842 - 0x65B0D9C6, 0x12B7E950, 0x8BBEB8EA, 0xFCB9887C,
1.843 - 0x62DD1DDF, 0x15DA2D49, 0x8CD37CF3, 0xFBD44C65,
1.844 - 0x4DB26158, 0x3AB551CE, 0xA3BC0074, 0xD4BB30E2,
1.845 - 0x4ADFA541, 0x3DD895D7, 0xA4D1C46D, 0xD3D6F4FB,
1.846 - 0x4369E96A, 0x346ED9FC, 0xAD678846, 0xDA60B8D0,
1.847 - 0x44042D73, 0x33031DE5, 0xAA0A4C5F, 0xDD0D7CC9,
1.848 - 0x5005713C, 0x270241AA, 0xBE0B1010, 0xC90C2086,
1.849 - 0x5768B525, 0x206F85B3, 0xB966D409, 0xCE61E49F,
1.850 - 0x5EDEF90E, 0x29D9C998, 0xB0D09822, 0xC7D7A8B4,
1.851 - 0x59B33D17, 0x2EB40D81, 0xB7BD5C3B, 0xC0BA6CAD,
1.852 - 0xEDB88320, 0x9ABFB3B6, 0x03B6E20C, 0x74B1D29A,
1.853 - 0xEAD54739, 0x9DD277AF, 0x04DB2615, 0x73DC1683,
1.854 - 0xE3630B12, 0x94643B84, 0x0D6D6A3E, 0x7A6A5AA8,
1.855 - 0xE40ECF0B, 0x9309FF9D, 0x0A00AE27, 0x7D079EB1,
1.856 - 0xF00F9344, 0x8708A3D2, 0x1E01F268, 0x6906C2FE,
1.857 - 0xF762575D, 0x806567CB, 0x196C3671, 0x6E6B06E7,
1.858 - 0xFED41B76, 0x89D32BE0, 0x10DA7A5A, 0x67DD4ACC,
1.859 - 0xF9B9DF6F, 0x8EBEEFF9, 0x17B7BE43, 0x60B08ED5,
1.860 - 0xD6D6A3E8, 0xA1D1937E, 0x38D8C2C4, 0x4FDFF252,
1.861 - 0xD1BB67F1, 0xA6BC5767, 0x3FB506DD, 0x48B2364B,
1.862 - 0xD80D2BDA, 0xAF0A1B4C, 0x36034AF6, 0x41047A60,
1.863 - 0xDF60EFC3, 0xA867DF55, 0x316E8EEF, 0x4669BE79,
1.864 - 0xCB61B38C, 0xBC66831A, 0x256FD2A0, 0x5268E236,
1.865 - 0xCC0C7795, 0xBB0B4703, 0x220216B9, 0x5505262F,
1.866 - 0xC5BA3BBE, 0xB2BD0B28, 0x2BB45A92, 0x5CB36A04,
1.867 - 0xC2D7FFA7, 0xB5D0CF31, 0x2CD99E8B, 0x5BDEAE1D,
1.868 - 0x9B64C2B0, 0xEC63F226, 0x756AA39C, 0x026D930A,
1.869 - 0x9C0906A9, 0xEB0E363F, 0x72076785, 0x05005713,
1.870 - 0x95BF4A82, 0xE2B87A14, 0x7BB12BAE, 0x0CB61B38,
1.871 - 0x92D28E9B, 0xE5D5BE0D, 0x7CDCEFB7, 0x0BDBDF21,
1.872 - 0x86D3D2D4, 0xF1D4E242, 0x68DDB3F8, 0x1FDA836E,
1.873 - 0x81BE16CD, 0xF6B9265B, 0x6FB077E1, 0x18B74777,
1.874 - 0x88085AE6, 0xFF0F6A70, 0x66063BCA, 0x11010B5C,
1.875 - 0x8F659EFF, 0xF862AE69, 0x616BFFD3, 0x166CCF45,
1.876 - 0xA00AE278, 0xD70DD2EE, 0x4E048354, 0x3903B3C2,
1.877 - 0xA7672661, 0xD06016F7, 0x4969474D, 0x3E6E77DB,
1.878 - 0xAED16A4A, 0xD9D65ADC, 0x40DF0B66, 0x37D83BF0,
1.879 - 0xA9BCAE53, 0xDEBB9EC5, 0x47B2CF7F, 0x30B5FFE9,
1.880 - 0xBDBDF21C, 0xCABAC28A, 0x53B39330, 0x24B4A3A6,
1.881 - 0xBAD03605, 0xCDD70693, 0x54DE5729, 0x23D967BF,
1.882 - 0xB3667A2E, 0xC4614AB8, 0x5D681B02, 0x2A6F2B94,
1.883 - 0xB40BBE37, 0xC30C8EA1, 0x5A05DF1B, 0x2D02EF8D
1.884 - ];
1.885 -
1.886 - if (typeof(crc) == "undefined") { crc = 0; }
1.887 - var x = 0;
1.888 - var y = 0;
1.889 - var byte = 0;
1.890 -
1.891 - crc = crc ^ (-1);
1.892 - for( var i = 0, iTop = input.length; i < iTop; i++ ) {
1.893 - byte = isArray ? input[i] : input.charCodeAt(i);
1.894 - y = ( crc ^ byte ) & 0xFF;
1.895 - x = table[y];
1.896 - crc = ( crc >>> 8 ) ^ x;
1.897 - }
1.898 -
1.899 - return crc ^ (-1);
1.900 - },
1.901 -
1.902 - // Inspired by http://my.opera.com/GreyWyvern/blog/show.dml/1725165
1.903 - clone : function() {
1.904 - var newObj = new JSZip();
1.905 - for (var i in this) {
1.906 - if (typeof this[i] !== "function") {
1.907 - newObj[i] = this[i];
1.908 - }
1.909 - }
1.910 - return newObj;
1.911 - },
1.912 -
1.913 -
1.914 - /**
1.915 - * http://www.webtoolkit.info/javascript-utf8.html
1.916 - */
1.917 - utf8encode : function (string) {
1.918 - // TextEncoder + Uint8Array to binary string is faster than checking every bytes on long strings.
1.919 - // http://jsperf.com/utf8encode-vs-textencoder
1.920 - // On short strings (file names for example), the TextEncoder API is (currently) slower.
1.921 - if (textEncoder) {
1.922 - var u8 = textEncoder.encode(string);
1.923 - return JSZip.utils.transformTo("string", u8);
1.924 - }
1.925 - if (JSZip.support.nodebuffer) {
1.926 - return JSZip.utils.transformTo("string", new Buffer(string, "utf-8"));
1.927 - }
1.928 -
1.929 - // array.join may be slower than string concatenation but generates less objects (less time spent garbage collecting).
1.930 - // See also http://jsperf.com/array-direct-assignment-vs-push/31
1.931 - var result = [], resIndex = 0;
1.932 -
1.933 - for (var n = 0; n < string.length; n++) {
1.934 -
1.935 - var c = string.charCodeAt(n);
1.936 -
1.937 - if (c < 128) {
1.938 - result[resIndex++] = String.fromCharCode(c);
1.939 - } else if ((c > 127) && (c < 2048)) {
1.940 - result[resIndex++] = String.fromCharCode((c >> 6) | 192);
1.941 - result[resIndex++] = String.fromCharCode((c & 63) | 128);
1.942 - } else {
1.943 - result[resIndex++] = String.fromCharCode((c >> 12) | 224);
1.944 - result[resIndex++] = String.fromCharCode(((c >> 6) & 63) | 128);
1.945 - result[resIndex++] = String.fromCharCode((c & 63) | 128);
1.946 - }
1.947 -
1.948 - }
1.949 -
1.950 - return result.join("");
1.951 - },
1.952 -
1.953 - /**
1.954 - * http://www.webtoolkit.info/javascript-utf8.html
1.955 - */
1.956 - utf8decode : function (input) {
1.957 - var result = [], resIndex = 0;
1.958 - var type = JSZip.utils.getTypeOf(input);
1.959 - var isArray = type !== "string";
1.960 - var i = 0;
1.961 - var c = 0, c1 = 0, c2 = 0, c3 = 0;
1.962 -
1.963 - // check if we can use the TextDecoder API
1.964 - // see http://encoding.spec.whatwg.org/#api
1.965 - if (textDecoder) {
1.966 - return textDecoder.decode(
1.967 - JSZip.utils.transformTo("uint8array", input)
1.968 - );
1.969 - }
1.970 - if (JSZip.support.nodebuffer) {
1.971 - return JSZip.utils.transformTo("nodebuffer", input).toString("utf-8");
1.972 - }
1.973 -
1.974 - while ( i < input.length ) {
1.975 -
1.976 - c = isArray ? input[i] : input.charCodeAt(i);
1.977 -
1.978 - if (c < 128) {
1.979 - result[resIndex++] = String.fromCharCode(c);
1.980 - i++;
1.981 - } else if ((c > 191) && (c < 224)) {
1.982 - c2 = isArray ? input[i+1] : input.charCodeAt(i+1);
1.983 - result[resIndex++] = String.fromCharCode(((c & 31) << 6) | (c2 & 63));
1.984 - i += 2;
1.985 - } else {
1.986 - c2 = isArray ? input[i+1] : input.charCodeAt(i+1);
1.987 - c3 = isArray ? input[i+2] : input.charCodeAt(i+2);
1.988 - result[resIndex++] = String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
1.989 - i += 3;
1.990 - }
1.991 -
1.992 - }
1.993 -
1.994 - return result.join("");
1.995 - }
1.996 - };
1.997 -}());
1.998 -
1.999 -/*
1.1000 - * Compression methods
1.1001 - * This object is filled in as follow :
1.1002 - * name : {
1.1003 - * magic // the 2 bytes indentifying the compression method
1.1004 - * compress // function, take the uncompressed content and return it compressed.
1.1005 - * uncompress // function, take the compressed content and return it uncompressed.
1.1006 - * compressInputType // string, the type accepted by the compress method. null to accept everything.
1.1007 - * uncompressInputType // string, the type accepted by the uncompress method. null to accept everything.
1.1008 - * }
1.1009 - *
1.1010 - * STORE is the default compression method, so it's included in this file.
1.1011 - * Other methods should go to separated files : the user wants modularity.
1.1012 - */
1.1013 -JSZip.compressions = {
1.1014 - "STORE" : {
1.1015 - magic : "\x00\x00",
1.1016 - compress : function (content) {
1.1017 - return content; // no compression
1.1018 - },
1.1019 - uncompress : function (content) {
1.1020 - return content; // no compression
1.1021 - },
1.1022 - compressInputType : null,
1.1023 - uncompressInputType : null
1.1024 - }
1.1025 -};
1.1026 -
1.1027 -(function () {
1.1028 - JSZip.utils = {
1.1029 - /**
1.1030 - * Convert a string to a "binary string" : a string containing only char codes between 0 and 255.
1.1031 - * @param {string} str the string to transform.
1.1032 - * @return {String} the binary string.
1.1033 - */
1.1034 - string2binary : function (str) {
1.1035 - var result = "";
1.1036 - for (var i = 0; i < str.length; i++) {
1.1037 - result += String.fromCharCode(str.charCodeAt(i) & 0xff);
1.1038 - }
1.1039 - return result;
1.1040 - },
1.1041 - /**
1.1042 - * Create a Uint8Array from the string.
1.1043 - * @param {string} str the string to transform.
1.1044 - * @return {Uint8Array} the typed array.
1.1045 - * @throws {Error} an Error if the browser doesn't support the requested feature.
1.1046 - * @deprecated : use JSZip.utils.transformTo instead.
1.1047 - */
1.1048 - string2Uint8Array : function (str) {
1.1049 - return JSZip.utils.transformTo("uint8array", str);
1.1050 - },
1.1051 -
1.1052 - /**
1.1053 - * Create a string from the Uint8Array.
1.1054 - * @param {Uint8Array} array the array to transform.
1.1055 - * @return {string} the string.
1.1056 - * @throws {Error} an Error if the browser doesn't support the requested feature.
1.1057 - * @deprecated : use JSZip.utils.transformTo instead.
1.1058 - */
1.1059 - uint8Array2String : function (array) {
1.1060 - return JSZip.utils.transformTo("string", array);
1.1061 - },
1.1062 - /**
1.1063 - * Create a blob from the given ArrayBuffer.
1.1064 - * @param {ArrayBuffer} buffer the buffer to transform.
1.1065 - * @return {Blob} the result.
1.1066 - * @throws {Error} an Error if the browser doesn't support the requested feature.
1.1067 - */
1.1068 - arrayBuffer2Blob : function (buffer) {
1.1069 - JSZip.utils.checkSupport("blob");
1.1070 -
1.1071 - try {
1.1072 - // Blob constructor
1.1073 - return new Blob([buffer], { type: "application/zip" });
1.1074 - }
1.1075 - catch(e) {}
1.1076 -
1.1077 - try {
1.1078 - // deprecated, browser only, old way
1.1079 - var BlobBuilder = window.BlobBuilder || window.WebKitBlobBuilder || window.MozBlobBuilder || window.MSBlobBuilder;
1.1080 - var builder = new BlobBuilder();
1.1081 - builder.append(buffer);
1.1082 - return builder.getBlob('application/zip');
1.1083 - }
1.1084 - catch(e) {}
1.1085 -
1.1086 - // well, fuck ?!
1.1087 - throw new Error("Bug : can't construct the Blob.");
1.1088 - },
1.1089 - /**
1.1090 - * Create a blob from the given string.
1.1091 - * @param {string} str the string to transform.
1.1092 - * @return {Blob} the result.
1.1093 - * @throws {Error} an Error if the browser doesn't support the requested feature.
1.1094 - */
1.1095 - string2Blob : function (str) {
1.1096 - var buffer = JSZip.utils.transformTo("arraybuffer", str);
1.1097 - return JSZip.utils.arrayBuffer2Blob(buffer);
1.1098 - }
1.1099 - };
1.1100 -
1.1101 - /**
1.1102 - * The identity function.
1.1103 - * @param {Object} input the input.
1.1104 - * @return {Object} the same input.
1.1105 - */
1.1106 - function identity(input) {
1.1107 - return input;
1.1108 - }
1.1109 -
1.1110 - /**
1.1111 - * Fill in an array with a string.
1.1112 - * @param {String} str the string to use.
1.1113 - * @param {Array|ArrayBuffer|Uint8Array|Buffer} array the array to fill in (will be mutated).
1.1114 - * @return {Array|ArrayBuffer|Uint8Array|Buffer} the updated array.
1.1115 - */
1.1116 - function stringToArrayLike(str, array) {
1.1117 - for (var i = 0; i < str.length; ++i) {
1.1118 - array[i] = str.charCodeAt(i) & 0xFF;
1.1119 - }
1.1120 - return array;
1.1121 - }
1.1122 -
1.1123 - /**
1.1124 - * Transform an array-like object to a string.
1.1125 - * @param {Array|ArrayBuffer|Uint8Array|Buffer} array the array to transform.
1.1126 - * @return {String} the result.
1.1127 - */
1.1128 - function arrayLikeToString(array) {
1.1129 - // Performances notes :
1.1130 - // --------------------
1.1131 - // String.fromCharCode.apply(null, array) is the fastest, see
1.1132 - // see http://jsperf.com/converting-a-uint8array-to-a-string/2
1.1133 - // but the stack is limited (and we can get huge arrays !).
1.1134 - //
1.1135 - // result += String.fromCharCode(array[i]); generate too many strings !
1.1136 - //
1.1137 - // This code is inspired by http://jsperf.com/arraybuffer-to-string-apply-performance/2
1.1138 - var chunk = 65536;
1.1139 - var result = [], len = array.length, type = JSZip.utils.getTypeOf(array), k = 0;
1.1140 -
1.1141 - var canUseApply = true;
1.1142 - try {
1.1143 - switch(type) {
1.1144 - case "uint8array":
1.1145 - String.fromCharCode.apply(null, new Uint8Array(0));
1.1146 - break;
1.1147 - case "nodebuffer":
1.1148 - String.fromCharCode.apply(null, new Buffer(0));
1.1149 - break;
1.1150 - }
1.1151 - } catch(e) {
1.1152 - canUseApply = false;
1.1153 - }
1.1154 -
1.1155 - // no apply : slow and painful algorithm
1.1156 - // default browser on android 4.*
1.1157 - if (!canUseApply) {
1.1158 - var resultStr = "";
1.1159 - for(var i = 0; i < array.length;i++) {
1.1160 - resultStr += String.fromCharCode(array[i]);
1.1161 - }
1.1162 - return resultStr;
1.1163 - }
1.1164 -
1.1165 - while (k < len && chunk > 1) {
1.1166 - try {
1.1167 - if (type === "array" || type === "nodebuffer") {
1.1168 - result.push(String.fromCharCode.apply(null, array.slice(k, Math.min(k + chunk, len))));
1.1169 - } else {
1.1170 - result.push(String.fromCharCode.apply(null, array.subarray(k, Math.min(k + chunk, len))));
1.1171 - }
1.1172 - k += chunk;
1.1173 - } catch (e) {
1.1174 - chunk = Math.floor(chunk / 2);
1.1175 - }
1.1176 - }
1.1177 - return result.join("");
1.1178 - }
1.1179 -
1.1180 - /**
1.1181 - * Copy the data from an array-like to an other array-like.
1.1182 - * @param {Array|ArrayBuffer|Uint8Array|Buffer} arrayFrom the origin array.
1.1183 - * @param {Array|ArrayBuffer|Uint8Array|Buffer} arrayTo the destination array which will be mutated.
1.1184 - * @return {Array|ArrayBuffer|Uint8Array|Buffer} the updated destination array.
1.1185 - */
1.1186 - function arrayLikeToArrayLike(arrayFrom, arrayTo) {
1.1187 - for(var i = 0; i < arrayFrom.length; i++) {
1.1188 - arrayTo[i] = arrayFrom[i];
1.1189 - }
1.1190 - return arrayTo;
1.1191 - }
1.1192 -
1.1193 - // a matrix containing functions to transform everything into everything.
1.1194 - var transform = {};
1.1195 -
1.1196 - // string to ?
1.1197 - transform["string"] = {
1.1198 - "string" : identity,
1.1199 - "array" : function (input) {
1.1200 - return stringToArrayLike(input, new Array(input.length));
1.1201 - },
1.1202 - "arraybuffer" : function (input) {
1.1203 - return transform["string"]["uint8array"](input).buffer;
1.1204 - },
1.1205 - "uint8array" : function (input) {
1.1206 - return stringToArrayLike(input, new Uint8Array(input.length));
1.1207 - },
1.1208 - "nodebuffer" : function (input) {
1.1209 - return stringToArrayLike(input, new Buffer(input.length));
1.1210 - }
1.1211 - };
1.1212 -
1.1213 - // array to ?
1.1214 - transform["array"] = {
1.1215 - "string" : arrayLikeToString,
1.1216 - "array" : identity,
1.1217 - "arraybuffer" : function (input) {
1.1218 - return (new Uint8Array(input)).buffer;
1.1219 - },
1.1220 - "uint8array" : function (input) {
1.1221 - return new Uint8Array(input);
1.1222 - },
1.1223 - "nodebuffer" : function (input) {
1.1224 - return new Buffer(input);
1.1225 - }
1.1226 - };
1.1227 -
1.1228 - // arraybuffer to ?
1.1229 - transform["arraybuffer"] = {
1.1230 - "string" : function (input) {
1.1231 - return arrayLikeToString(new Uint8Array(input));
1.1232 - },
1.1233 - "array" : function (input) {
1.1234 - return arrayLikeToArrayLike(new Uint8Array(input), new Array(input.byteLength));
1.1235 - },
1.1236 - "arraybuffer" : identity,
1.1237 - "uint8array" : function (input) {
1.1238 - return new Uint8Array(input);
1.1239 - },
1.1240 - "nodebuffer" : function (input) {
1.1241 - return new Buffer(new Uint8Array(input));
1.1242 - }
1.1243 - };
1.1244 -
1.1245 - // uint8array to ?
1.1246 - transform["uint8array"] = {
1.1247 - "string" : arrayLikeToString,
1.1248 - "array" : function (input) {
1.1249 - return arrayLikeToArrayLike(input, new Array(input.length));
1.1250 - },
1.1251 - "arraybuffer" : function (input) {
1.1252 - return input.buffer;
1.1253 - },
1.1254 - "uint8array" : identity,
1.1255 - "nodebuffer" : function(input) {
1.1256 - return new Buffer(input);
1.1257 - }
1.1258 - };
1.1259 -
1.1260 - // nodebuffer to ?
1.1261 - transform["nodebuffer"] = {
1.1262 - "string" : arrayLikeToString,
1.1263 - "array" : function (input) {
1.1264 - return arrayLikeToArrayLike(input, new Array(input.length));
1.1265 - },
1.1266 - "arraybuffer" : function (input) {
1.1267 - return transform["nodebuffer"]["uint8array"](input).buffer;
1.1268 - },
1.1269 - "uint8array" : function (input) {
1.1270 - return arrayLikeToArrayLike(input, new Uint8Array(input.length));
1.1271 - },
1.1272 - "nodebuffer" : identity
1.1273 - };
1.1274 -
1.1275 - /**
1.1276 - * Transform an input into any type.
1.1277 - * The supported output type are : string, array, uint8array, arraybuffer, nodebuffer.
1.1278 - * If no output type is specified, the unmodified input will be returned.
1.1279 - * @param {String} outputType the output type.
1.1280 - * @param {String|Array|ArrayBuffer|Uint8Array|Buffer} input the input to convert.
1.1281 - * @throws {Error} an Error if the browser doesn't support the requested output type.
1.1282 - */
1.1283 - JSZip.utils.transformTo = function (outputType, input) {
1.1284 - if (!input) {
1.1285 - // undefined, null, etc
1.1286 - // an empty string won't harm.
1.1287 - input = "";
1.1288 - }
1.1289 - if (!outputType) {
1.1290 - return input;
1.1291 - }
1.1292 - JSZip.utils.checkSupport(outputType);
1.1293 - var inputType = JSZip.utils.getTypeOf(input);
1.1294 - var result = transform[inputType][outputType](input);
1.1295 - return result;
1.1296 - };
1.1297 -
1.1298 - /**
1.1299 - * Return the type of the input.
1.1300 - * The type will be in a format valid for JSZip.utils.transformTo : string, array, uint8array, arraybuffer.
1.1301 - * @param {Object} input the input to identify.
1.1302 - * @return {String} the (lowercase) type of the input.
1.1303 - */
1.1304 - JSZip.utils.getTypeOf = function (input) {
1.1305 - if (typeof input === "string") {
1.1306 - return "string";
1.1307 - }
1.1308 - if (Object.prototype.toString.call(input) === "[object Array]") {
1.1309 - return "array";
1.1310 - }
1.1311 - if (JSZip.support.nodebuffer && Buffer.isBuffer(input)) {
1.1312 - return "nodebuffer";
1.1313 - }
1.1314 - if (JSZip.support.uint8array && input instanceof Uint8Array) {
1.1315 - return "uint8array";
1.1316 - }
1.1317 - if (JSZip.support.arraybuffer && input instanceof ArrayBuffer) {
1.1318 - return "arraybuffer";
1.1319 - }
1.1320 - };
1.1321 -
1.1322 - /**
1.1323 - * Cross-window, cross-Node-context regular expression detection
1.1324 - * @param {Object} object Anything
1.1325 - * @return {Boolean} true if the object is a regular expression,
1.1326 - * false otherwise
1.1327 - */
1.1328 - JSZip.utils.isRegExp = function (object) {
1.1329 - return Object.prototype.toString.call(object) === "[object RegExp]";
1.1330 - };
1.1331 -
1.1332 - /**
1.1333 - * Throw an exception if the type is not supported.
1.1334 - * @param {String} type the type to check.
1.1335 - * @throws {Error} an Error if the browser doesn't support the requested type.
1.1336 - */
1.1337 - JSZip.utils.checkSupport = function (type) {
1.1338 - var supported = true;
1.1339 - switch (type.toLowerCase()) {
1.1340 - case "uint8array":
1.1341 - supported = JSZip.support.uint8array;
1.1342 - break;
1.1343 - case "arraybuffer":
1.1344 - supported = JSZip.support.arraybuffer;
1.1345 - break;
1.1346 - case "nodebuffer":
1.1347 - supported = JSZip.support.nodebuffer;
1.1348 - break;
1.1349 - case "blob":
1.1350 - supported = JSZip.support.blob;
1.1351 - break;
1.1352 - }
1.1353 - if (!supported) {
1.1354 - throw new Error(type + " is not supported by this browser");
1.1355 - }
1.1356 - };
1.1357 -
1.1358 -
1.1359 -})();
1.1360 -
1.1361 -(function (){
1.1362 - /**
1.1363 - * Represents an entry in the zip.
1.1364 - * The content may or may not be compressed.
1.1365 - * @constructor
1.1366 - */
1.1367 - JSZip.CompressedObject = function () {
1.1368 - this.compressedSize = 0;
1.1369 - this.uncompressedSize = 0;
1.1370 - this.crc32 = 0;
1.1371 - this.compressionMethod = null;
1.1372 - this.compressedContent = null;
1.1373 - };
1.1374 -
1.1375 - JSZip.CompressedObject.prototype = {
1.1376 - /**
1.1377 - * Return the decompressed content in an unspecified format.
1.1378 - * The format will depend on the decompressor.
1.1379 - * @return {Object} the decompressed content.
1.1380 - */
1.1381 - getContent : function () {
1.1382 - return null; // see implementation
1.1383 - },
1.1384 - /**
1.1385 - * Return the compressed content in an unspecified format.
1.1386 - * The format will depend on the compressed conten source.
1.1387 - * @return {Object} the compressed content.
1.1388 - */
1.1389 - getCompressedContent : function () {
1.1390 - return null; // see implementation
1.1391 - }
1.1392 - };
1.1393 -})();
1.1394 -
1.1395 -/**
1.1396 - *
1.1397 - * Base64 encode / decode
1.1398 - * http://www.webtoolkit.info/
1.1399 - *
1.1400 - * Hacked so that it doesn't utf8 en/decode everything
1.1401 - **/
1.1402 -JSZip.base64 = (function() {
1.1403 - // private property
1.1404 - var _keyStr = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
1.1405 -
1.1406 - return {
1.1407 - // public method for encoding
1.1408 - encode : function(input, utf8) {
1.1409 - var output = "";
1.1410 - var chr1, chr2, chr3, enc1, enc2, enc3, enc4;
1.1411 - var i = 0;
1.1412 -
1.1413 - while (i < input.length) {
1.1414 -
1.1415 - chr1 = input.charCodeAt(i++);
1.1416 - chr2 = input.charCodeAt(i++);
1.1417 - chr3 = input.charCodeAt(i++);
1.1418 -
1.1419 - enc1 = chr1 >> 2;
1.1420 - enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
1.1421 - enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
1.1422 - enc4 = chr3 & 63;
1.1423 -
1.1424 - if (isNaN(chr2)) {
1.1425 - enc3 = enc4 = 64;
1.1426 - } else if (isNaN(chr3)) {
1.1427 - enc4 = 64;
1.1428 - }
1.1429 -
1.1430 - output = output +
1.1431 - _keyStr.charAt(enc1) + _keyStr.charAt(enc2) +
1.1432 - _keyStr.charAt(enc3) + _keyStr.charAt(enc4);
1.1433 -
1.1434 - }
1.1435 -
1.1436 - return output;
1.1437 - },
1.1438 -
1.1439 - // public method for decoding
1.1440 - decode : function(input, utf8) {
1.1441 - var output = "";
1.1442 - var chr1, chr2, chr3;
1.1443 - var enc1, enc2, enc3, enc4;
1.1444 - var i = 0;
1.1445 -
1.1446 - input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");
1.1447 -
1.1448 - while (i < input.length) {
1.1449 -
1.1450 - enc1 = _keyStr.indexOf(input.charAt(i++));
1.1451 - enc2 = _keyStr.indexOf(input.charAt(i++));
1.1452 - enc3 = _keyStr.indexOf(input.charAt(i++));
1.1453 - enc4 = _keyStr.indexOf(input.charAt(i++));
1.1454 -
1.1455 - chr1 = (enc1 << 2) | (enc2 >> 4);
1.1456 - chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
1.1457 - chr3 = ((enc3 & 3) << 6) | enc4;
1.1458 -
1.1459 - output = output + String.fromCharCode(chr1);
1.1460 -
1.1461 - if (enc3 != 64) {
1.1462 - output = output + String.fromCharCode(chr2);
1.1463 - }
1.1464 - if (enc4 != 64) {
1.1465 - output = output + String.fromCharCode(chr3);
1.1466 - }
1.1467 -
1.1468 - }
1.1469 -
1.1470 - return output;
1.1471 -
1.1472 - }
1.1473 - };
1.1474 -}());
1.1475 -
1.1476 -// enforcing Stuk's coding style
1.1477 -// vim: set shiftwidth=3 softtabstop=3: