diff options
Diffstat (limited to 'chromium/third_party/trace-viewer/third_party/jszip/jszip.js')
| -rw-r--r-- | chromium/third_party/trace-viewer/third_party/jszip/jszip.js | 1425 |
1 files changed, 0 insertions, 1425 deletions
diff --git a/chromium/third_party/trace-viewer/third_party/jszip/jszip.js b/chromium/third_party/trace-viewer/third_party/jszip/jszip.js deleted file mode 100644 index f609aceba0f..00000000000 --- a/chromium/third_party/trace-viewer/third_party/jszip/jszip.js +++ /dev/null @@ -1,1425 +0,0 @@ -/** - -JSZip - A Javascript class for generating and reading zip files -<http://stuartk.com/jszip> - -(c) 2009-2012 Stuart Knightley <stuart [at] stuartk.com> -Dual licenced under the MIT license or GPLv3. See LICENSE.markdown. - -Usage: - zip = new JSZip(); - zip.file("hello.txt", "Hello, World!").file("tempfile", "nothing"); - zip.folder("images").file("smile.gif", base64Data, {base64: true}); - zip.file("Xmas.txt", "Ho ho ho !", {date : new Date("December 25, 2007 00:00:01")}); - zip.remove("tempfile"); - - base64zip = zip.generate(); - -**/ -"use strict"; - -/** - * Representation a of zip file in js - * @constructor - * @param {String=|ArrayBuffer=|Uint8Array=|Buffer=} data the data to load, if any (optional). - * @param {Object=} options the options for creating this objects (optional). - */ -var JSZip = function(data, options) { - // object containing the files : - // { - // "folder/" : {...}, - // "folder/data.txt" : {...} - // } - this.files = {}; - - // Where we are in the hierarchy - this.root = ""; - - if (data) { - this.load(data, options); - } -}; - -JSZip.signature = { - LOCAL_FILE_HEADER : "\x50\x4b\x03\x04", - CENTRAL_FILE_HEADER : "\x50\x4b\x01\x02", - CENTRAL_DIRECTORY_END : "\x50\x4b\x05\x06", - ZIP64_CENTRAL_DIRECTORY_LOCATOR : "\x50\x4b\x06\x07", - ZIP64_CENTRAL_DIRECTORY_END : "\x50\x4b\x06\x06", - DATA_DESCRIPTOR : "\x50\x4b\x07\x08" -}; - -// Default properties for a new file -JSZip.defaults = { - base64: false, - binary: false, - dir: false, - date: null, - compression: null -}; - - -JSZip.prototype = (function () { - - /** - * Returns the raw data of a ZipObject, decompress the content if necessary. - * @param {ZipObject} file the file to use. - * @return {String|ArrayBuffer|Uint8Array|Buffer} the data. - */ - var getRawData = function (file) { - if (file._data instanceof JSZip.CompressedObject) { - file._data = file._data.getContent(); - file.options.binary = true; - file.options.base64 = false; - - if (JSZip.utils.getTypeOf(file._data) === "uint8array") { - var copy = file._data; - // when reading an arraybuffer, the CompressedObject mechanism will keep it and subarray() a Uint8Array. - // if we request a file in the same format, we might get the same Uint8Array or its ArrayBuffer (the original zip file). - file._data = new Uint8Array(copy.length); - // with an empty Uint8Array, Opera fails with a "Offset larger than array size" - if (copy.length !== 0) { - file._data.set(copy, 0); - } - } - } - return file._data; - }; - - /** - * Returns the data of a ZipObject in a binary form. If the content is an unicode string, encode it. - * @param {ZipObject} file the file to use. - * @return {String|ArrayBuffer|Uint8Array|Buffer} the data. - */ - var getBinaryData = function (file) { - var result = getRawData(file), type = JSZip.utils.getTypeOf(result); - if (type === "string") { - if (!file.options.binary) { - // unicode text ! - // unicode string => binary string is a painful process, check if we can avoid it. - if (JSZip.support.uint8array && typeof TextEncoder === "function") { - return TextEncoder("utf-8").encode(result); - } - if (JSZip.support.nodebuffer) { - return new Buffer(result, "utf-8"); - } - } - return file.asBinary(); - } - return result; - } - - /** - * Transform this._data into a string. - * @param {function} filter a function String -> String, applied if not null on the result. - * @return {String} the string representing this._data. - */ - var dataToString = function (asUTF8) { - var result = getRawData(this); - if (result === null || typeof result === "undefined") { - return ""; - } - // if the data is a base64 string, we decode it before checking the encoding ! - if (this.options.base64) { - result = JSZip.base64.decode(result); - } - if (asUTF8 && this.options.binary) { - // JSZip.prototype.utf8decode supports arrays as input - // skip to array => string step, utf8decode will do it. - result = JSZip.prototype.utf8decode(result); - } else { - // no utf8 transformation, do the array => string step. - result = JSZip.utils.transformTo("string", result); - } - - if (!asUTF8 && !this.options.binary) { - result = JSZip.prototype.utf8encode(result); - } - return result; - }; - /** - * A simple object representing a file in the zip file. - * @constructor - * @param {string} name the name of the file - * @param {String|ArrayBuffer|Uint8Array|Buffer} data the data - * @param {Object} options the options of the file - */ - var ZipObject = function (name, data, options) { - this.name = name; - this._data = data; - this.options = options; - }; - - ZipObject.prototype = { - /** - * Return the content as UTF8 string. - * @return {string} the UTF8 string. - */ - asText : function () { - return dataToString.call(this, true); - }, - /** - * Returns the binary content. - * @return {string} the content as binary. - */ - asBinary : function () { - return dataToString.call(this, false); - }, - /** - * Returns the content as a nodejs Buffer. - * @return {Buffer} the content as a Buffer. - */ - asNodeBuffer : function () { - var result = getBinaryData(this); - return JSZip.utils.transformTo("nodebuffer", result); - }, - /** - * Returns the content as an Uint8Array. - * @return {Uint8Array} the content as an Uint8Array. - */ - asUint8Array : function () { - var result = getBinaryData(this); - return JSZip.utils.transformTo("uint8array", result); - }, - /** - * Returns the content as an ArrayBuffer. - * @return {ArrayBuffer} the content as an ArrayBufer. - */ - asArrayBuffer : function () { - return this.asUint8Array().buffer; - } - }; - - /** - * Transform an integer into a string in hexadecimal. - * @private - * @param {number} dec the number to convert. - * @param {number} bytes the number of bytes to generate. - * @returns {string} the result. - */ - var decToHex = function(dec, bytes) { - var hex = "", i; - for(i = 0; i < bytes; i++) { - hex += String.fromCharCode(dec&0xff); - dec=dec>>>8; - } - return hex; - }; - - /** - * Merge the objects passed as parameters into a new one. - * @private - * @param {...Object} var_args All objects to merge. - * @return {Object} a new object with the data of the others. - */ - var extend = function () { - var result = {}, i, attr; - for (i = 0; i < arguments.length; i++) { // arguments is not enumerable in some browsers - for (attr in arguments[i]) { - if (arguments[i].hasOwnProperty(attr) && typeof result[attr] === "undefined") { - result[attr] = arguments[i][attr]; - } - } - } - return result; - }; - - /** - * Transforms the (incomplete) options from the user into the complete - * set of options to create a file. - * @private - * @param {Object} o the options from the user. - * @return {Object} the complete set of options. - */ - var prepareFileAttrs = function (o) { - o = o || {}; - if (o.base64 === true && o.binary == null) { - o.binary = true; - } - o = extend(o, JSZip.defaults); - o.date = o.date || new Date(); - if (o.compression !== null) o.compression = o.compression.toUpperCase(); - - return o; - }; - - /** - * Add a file in the current folder. - * @private - * @param {string} name the name of the file - * @param {String|ArrayBuffer|Uint8Array|Buffer} data the data of the file - * @param {Object} o the options of the file - * @return {Object} the new file. - */ - var fileAdd = function (name, data, o) { - // be sure sub folders exist - var parent = parentFolder(name), dataType = JSZip.utils.getTypeOf(data); - if (parent) { - folderAdd.call(this, parent); - } - - o = prepareFileAttrs(o); - - if (o.dir || data === null || typeof data === "undefined") { - o.base64 = false; - o.binary = false; - data = null; - } else if (dataType === "string") { - if (o.binary && !o.base64) { - // optimizedBinaryString == true means that the file has already been filtered with a 0xFF mask - if (o.optimizedBinaryString !== true) { - // this is a string, not in a base64 format. - // Be sure that this is a correct "binary string" - data = JSZip.utils.string2binary(data); - } - } - } else { // arraybuffer, uint8array, ... - o.base64 = false; - o.binary = true; - - if (!dataType && !(data instanceof JSZip.CompressedObject)) { - throw new Error("The data of '" + name + "' is in an unsupported format !"); - } - - // special case : it's way easier to work with Uint8Array than with ArrayBuffer - if (dataType === "arraybuffer") { - data = JSZip.utils.transformTo("uint8array", data); - } - } - - return this.files[name] = new ZipObject(name, data, o); - }; - - - /** - * Find the parent folder of the path. - * @private - * @param {string} path the path to use - * @return {string} the parent folder, or "" - */ - var parentFolder = function (path) { - if (path.slice(-1) == '/') { - path = path.substring(0, path.length - 1); - } - var lastSlash = path.lastIndexOf('/'); - return (lastSlash > 0) ? path.substring(0, lastSlash) : ""; - }; - - /** - * Add a (sub) folder in the current folder. - * @private - * @param {string} name the folder's name - * @return {Object} the new folder. - */ - var folderAdd = function (name) { - // Check the name ends with a / - if (name.slice(-1) != "/") { - name += "/"; // IE doesn't like substr(-1) - } - - // Does this folder already exist? - if (!this.files[name]) { - fileAdd.call(this, name, null, {dir:true}); - } - return this.files[name]; - }; - - /** - * Generate a JSZip.CompressedObject for a given zipOject. - * @param {ZipObject} file the object to read. - * @param {JSZip.compression} compression the compression to use. - * @return {JSZip.CompressedObject} the compressed result. - */ - var generateCompressedObjectFrom = function (file, compression) { - var result = new JSZip.CompressedObject(), content; - - // the data has not been decompressed, we might reuse things ! - if (file._data instanceof JSZip.CompressedObject) { - result.uncompressedSize = file._data.uncompressedSize; - result.crc32 = file._data.crc32; - - if (result.uncompressedSize === 0 || file.options.dir) { - compression = JSZip.compressions['STORE']; - result.compressedContent = ""; - result.crc32 = 0; - } else if (file._data.compressionMethod === compression.magic) { - result.compressedContent = file._data.getCompressedContent(); - } else { - content = file._data.getContent() - // need to decompress / recompress - result.compressedContent = compression.compress(JSZip.utils.transformTo(compression.compressInputType, content)); - } - } else { - // have uncompressed data - content = getBinaryData(file); - if (!content || content.length === 0 || file.options.dir) { - compression = JSZip.compressions['STORE']; - content = ""; - } - result.uncompressedSize = content.length; - result.crc32 = this.crc32(content); - result.compressedContent = compression.compress(JSZip.utils.transformTo(compression.compressInputType, content)); - } - - result.compressedSize = result.compressedContent.length; - result.compressionMethod = compression.magic; - - return result; - }; - - /** - * Generate the various parts used in the construction of the final zip file. - * @param {string} name the file name. - * @param {ZipObject} file the file content. - * @param {JSZip.CompressedObject} compressedObject the compressed object. - * @param {number} offset the current offset from the start of the zip file. - * @return {object} the zip parts. - */ - var generateZipParts = function(name, file, compressedObject, offset) { - var data = compressedObject.compressedContent, - utfEncodedFileName = this.utf8encode(file.name), - useUTF8 = utfEncodedFileName !== file.name, - o = file.options, - dosTime, - dosDate; - - // date - // @see http://www.delorie.com/djgpp/doc/rbinter/it/52/13.html - // @see http://www.delorie.com/djgpp/doc/rbinter/it/65/16.html - // @see http://www.delorie.com/djgpp/doc/rbinter/it/66/16.html - - dosTime = o.date.getHours(); - dosTime = dosTime << 6; - dosTime = dosTime | o.date.getMinutes(); - dosTime = dosTime << 5; - dosTime = dosTime | o.date.getSeconds() / 2; - - dosDate = o.date.getFullYear() - 1980; - dosDate = dosDate << 4; - dosDate = dosDate | (o.date.getMonth() + 1); - dosDate = dosDate << 5; - dosDate = dosDate | o.date.getDate(); - - - var header = ""; - - // version needed to extract - header += "\x0A\x00"; - // general purpose bit flag - // set bit 11 if utf8 - header += useUTF8 ? "\x00\x08" : "\x00\x00"; - // compression method - header += compressedObject.compressionMethod; - // last mod file time - header += decToHex(dosTime, 2); - // last mod file date - header += decToHex(dosDate, 2); - // crc-32 - header += decToHex(compressedObject.crc32, 4); - // compressed size - header += decToHex(compressedObject.compressedSize, 4); - // uncompressed size - header += decToHex(compressedObject.uncompressedSize, 4); - // file name length - header += decToHex(utfEncodedFileName.length, 2); - // extra field length - header += "\x00\x00"; - - - var fileRecord = JSZip.signature.LOCAL_FILE_HEADER + header + utfEncodedFileName; - - var dirRecord = JSZip.signature.CENTRAL_FILE_HEADER + - // version made by (00: DOS) - "\x14\x00" + - // file header (common to file and central directory) - header + - // file comment length - "\x00\x00" + - // disk number start - "\x00\x00" + - // internal file attributes TODO - "\x00\x00" + - // external file attributes - (file.options.dir===true?"\x10\x00\x00\x00":"\x00\x00\x00\x00")+ - // relative offset of local header - decToHex(offset, 4) + - // file name - utfEncodedFileName; - - - return { - fileRecord : fileRecord, - dirRecord : dirRecord, - compressedObject : compressedObject - }; - }; - - /** - * An object to write any content to a string. - * @constructor - */ - var StringWriter = function () { - this.data = []; - }; - StringWriter.prototype = { - /** - * Append any content to the current string. - * @param {Object} input the content to add. - */ - append : function (input) { - input = JSZip.utils.transformTo("string", input); - this.data.push(input); - }, - /** - * Finalize the construction an return the result. - * @return {string} the generated string. - */ - finalize : function () { - return this.data.join(""); - } - }; - /** - * An object to write any content to an Uint8Array. - * @constructor - * @param {number} length The length of the array. - */ - var Uint8ArrayWriter = function (length) { - this.data = new Uint8Array(length); - this.index = 0; - }; - Uint8ArrayWriter.prototype = { - /** - * Append any content to the current array. - * @param {Object} input the content to add. - */ - append : function (input) { - if (input.length !== 0) { - // with an empty Uint8Array, Opera fails with a "Offset larger than array size" - input = JSZip.utils.transformTo("uint8array", input); - this.data.set(input, this.index); - this.index += input.length; - } - }, - /** - * Finalize the construction an return the result. - * @return {Uint8Array} the generated array. - */ - finalize : function () { - return this.data; - } - }; - - // return the actual prototype of JSZip - return { - /** - * Read an existing zip and merge the data in the current JSZip object. - * The implementation is in jszip-load.js, don't forget to include it. - * @param {String|ArrayBuffer|Uint8Array|Buffer} stream The stream to load - * @param {Object} options Options for loading the stream. - * options.base64 : is the stream in base64 ? default : false - * @return {JSZip} the current JSZip object - */ - load : function (stream, options) { - throw new Error("Load method is not defined. Is the file jszip-load.js included ?"); - }, - - /** - * Filter nested files/folders with the specified function. - * @param {Function} search the predicate to use : - * function (relativePath, file) {...} - * It takes 2 arguments : the relative path and the file. - * @return {Array} An array of matching elements. - */ - filter : function (search) { - var result = [], filename, relativePath, file, fileClone; - for (filename in this.files) { - if ( !this.files.hasOwnProperty(filename) ) { continue; } - file = this.files[filename]; - // return a new object, don't let the user mess with our internal objects :) - fileClone = new ZipObject(file.name, file._data, extend(file.options)); - relativePath = filename.slice(this.root.length, filename.length); - if (filename.slice(0, this.root.length) === this.root && // the file is in the current root - search(relativePath, fileClone)) { // and the file matches the function - result.push(fileClone); - } - } - return result; - }, - - /** - * Add a file to the zip file, or search a file. - * @param {string|RegExp} name The name of the file to add (if data is defined), - * the name of the file to find (if no data) or a regex to match files. - * @param {String|ArrayBuffer|Uint8Array|Buffer} data The file data, either raw or base64 encoded - * @param {Object} o File options - * @return {JSZip|Object|Array} this JSZip object (when adding a file), - * a file (when searching by string) or an array of files (when searching by regex). - */ - file : function(name, data, o) { - if (arguments.length === 1) { - if (name instanceof RegExp) { - var regexp = name; - return this.filter(function(relativePath, file) { - return !file.options.dir && regexp.test(relativePath); - }); - } else { // text - return this.filter(function (relativePath, file) { - return !file.options.dir && relativePath === name; - })[0]||null; - } - } else { // more than one argument : we have data ! - name = this.root+name; - fileAdd.call(this, name, data, o); - } - return this; - }, - - /** - * Add a directory to the zip file, or search. - * @param {String|RegExp} arg The name of the directory to add, or a regex to search folders. - * @return {JSZip} an object with the new directory as the root, or an array containing matching folders. - */ - folder : function(arg) { - if (!arg) { - return this; - } - - if (arg instanceof RegExp) { - return this.filter(function(relativePath, file) { - return file.options.dir && arg.test(relativePath); - }); - } - - // else, name is a new folder - var name = this.root + arg; - var newFolder = folderAdd.call(this, name); - - // Allow chaining by returning a new object with this folder as the root - var ret = this.clone(); - ret.root = newFolder.name; - return ret; - }, - - /** - * Delete a file, or a directory and all sub-files, from the zip - * @param {string} name the name of the file to delete - * @return {JSZip} this JSZip object - */ - remove : function(name) { - name = this.root + name; - var file = this.files[name]; - if (!file) { - // Look for any folders - if (name.slice(-1) != "/") { - name += "/"; - } - file = this.files[name]; - } - - if (file) { - if (!file.options.dir) { - // file - delete this.files[name]; - } else { - // folder - var kids = this.filter(function (relativePath, file) { - return file.name.slice(0, name.length) === name; - }); - for (var i = 0; i < kids.length; i++) { - delete this.files[kids[i].name]; - } - } - } - - return this; - }, - - /** - * Generate the complete zip file - * @param {Object} options the options to generate the zip file : - * - base64, (deprecated, use type instead) true to generate base64. - * - compression, "STORE" by default. - * - type, "base64" by default. Values are : string, base64, uint8array, arraybuffer, blob. - * @return {String|Uint8Array|ArrayBuffer|Buffer|Blob} the zip file - */ - generate : function(options) { - options = extend(options || {}, { - base64 : true, - compression : "STORE", - type : "base64" - }); - - JSZip.utils.checkSupport(options.type); - - var zipData = [], localDirLength = 0, centralDirLength = 0, writer, i; - - - // first, generate all the zip parts. - for (var name in this.files) { - if ( !this.files.hasOwnProperty(name) ) { continue; } - var file = this.files[name]; - - var compressionName = file.compression || options.compression.toUpperCase(); - var compression = JSZip.compressions[compressionName]; - if (!compression) { - throw new Error(compressionName + " is not a valid compression method !"); - } - - var compressedObject = generateCompressedObjectFrom.call(this, file, compression); - - var zipPart = generateZipParts.call(this, name, file, compressedObject, localDirLength); - localDirLength += zipPart.fileRecord.length + compressedObject.compressedSize; - centralDirLength += zipPart.dirRecord.length; - zipData.push(zipPart); - } - - var dirEnd = ""; - - // end of central dir signature - dirEnd = JSZip.signature.CENTRAL_DIRECTORY_END + - // number of this disk - "\x00\x00" + - // number of the disk with the start of the central directory - "\x00\x00" + - // total number of entries in the central directory on this disk - decToHex(zipData.length, 2) + - // total number of entries in the central directory - decToHex(zipData.length, 2) + - // size of the central directory 4 bytes - decToHex(centralDirLength, 4) + - // offset of start of central directory with respect to the starting disk number - decToHex(localDirLength, 4) + - // .ZIP file comment length - "\x00\x00"; - - - // we have all the parts (and the total length) - // time to create a writer ! - switch(options.type.toLowerCase()) { - case "uint8array" : - case "arraybuffer" : - case "blob" : - case "nodebuffer" : - writer = new Uint8ArrayWriter(localDirLength + centralDirLength + dirEnd.length); - break; - case "base64" : - default : // case "string" : - writer = new StringWriter(localDirLength + centralDirLength + dirEnd.length); - break; - } - - for (i = 0; i < zipData.length; i++) { - writer.append(zipData[i].fileRecord); - writer.append(zipData[i].compressedObject.compressedContent); - } - for (i = 0; i < zipData.length; i++) { - writer.append(zipData[i].dirRecord); - } - - writer.append(dirEnd); - - var zip = writer.finalize(); - - - - switch(options.type.toLowerCase()) { - // case "zip is an Uint8Array" - case "uint8array" : - case "arraybuffer" : - case "nodebuffer" : - return JSZip.utils.transformTo(options.type.toLowerCase(), zip); - case "blob" : - return JSZip.utils.arrayBuffer2Blob(JSZip.utils.transformTo("arraybuffer", zip)); - - // case "zip is a string" - case "base64" : - return (options.base64) ? JSZip.base64.encode(zip) : zip; - default : // case "string" : - return zip; - } - }, - - /** - * - * Javascript crc32 - * http://www.webtoolkit.info/ - * - */ - crc32 : function crc32(input, crc) { - if (typeof input === "undefined" || !input.length) { - return 0; - } - - var isArray = JSZip.utils.getTypeOf(input) !== "string"; - - var table = [ - 0x00000000, 0x77073096, 0xEE0E612C, 0x990951BA, - 0x076DC419, 0x706AF48F, 0xE963A535, 0x9E6495A3, - 0x0EDB8832, 0x79DCB8A4, 0xE0D5E91E, 0x97D2D988, - 0x09B64C2B, 0x7EB17CBD, 0xE7B82D07, 0x90BF1D91, - 0x1DB71064, 0x6AB020F2, 0xF3B97148, 0x84BE41DE, - 0x1ADAD47D, 0x6DDDE4EB, 0xF4D4B551, 0x83D385C7, - 0x136C9856, 0x646BA8C0, 0xFD62F97A, 0x8A65C9EC, - 0x14015C4F, 0x63066CD9, 0xFA0F3D63, 0x8D080DF5, - 0x3B6E20C8, 0x4C69105E, 0xD56041E4, 0xA2677172, - 0x3C03E4D1, 0x4B04D447, 0xD20D85FD, 0xA50AB56B, - 0x35B5A8FA, 0x42B2986C, 0xDBBBC9D6, 0xACBCF940, - 0x32D86CE3, 0x45DF5C75, 0xDCD60DCF, 0xABD13D59, - 0x26D930AC, 0x51DE003A, 0xC8D75180, 0xBFD06116, - 0x21B4F4B5, 0x56B3C423, 0xCFBA9599, 0xB8BDA50F, - 0x2802B89E, 0x5F058808, 0xC60CD9B2, 0xB10BE924, - 0x2F6F7C87, 0x58684C11, 0xC1611DAB, 0xB6662D3D, - 0x76DC4190, 0x01DB7106, 0x98D220BC, 0xEFD5102A, - 0x71B18589, 0x06B6B51F, 0x9FBFE4A5, 0xE8B8D433, - 0x7807C9A2, 0x0F00F934, 0x9609A88E, 0xE10E9818, - 0x7F6A0DBB, 0x086D3D2D, 0x91646C97, 0xE6635C01, - 0x6B6B51F4, 0x1C6C6162, 0x856530D8, 0xF262004E, - 0x6C0695ED, 0x1B01A57B, 0x8208F4C1, 0xF50FC457, - 0x65B0D9C6, 0x12B7E950, 0x8BBEB8EA, 0xFCB9887C, - 0x62DD1DDF, 0x15DA2D49, 0x8CD37CF3, 0xFBD44C65, - 0x4DB26158, 0x3AB551CE, 0xA3BC0074, 0xD4BB30E2, - 0x4ADFA541, 0x3DD895D7, 0xA4D1C46D, 0xD3D6F4FB, - 0x4369E96A, 0x346ED9FC, 0xAD678846, 0xDA60B8D0, - 0x44042D73, 0x33031DE5, 0xAA0A4C5F, 0xDD0D7CC9, - 0x5005713C, 0x270241AA, 0xBE0B1010, 0xC90C2086, - 0x5768B525, 0x206F85B3, 0xB966D409, 0xCE61E49F, - 0x5EDEF90E, 0x29D9C998, 0xB0D09822, 0xC7D7A8B4, - 0x59B33D17, 0x2EB40D81, 0xB7BD5C3B, 0xC0BA6CAD, - 0xEDB88320, 0x9ABFB3B6, 0x03B6E20C, 0x74B1D29A, - 0xEAD54739, 0x9DD277AF, 0x04DB2615, 0x73DC1683, - 0xE3630B12, 0x94643B84, 0x0D6D6A3E, 0x7A6A5AA8, - 0xE40ECF0B, 0x9309FF9D, 0x0A00AE27, 0x7D079EB1, - 0xF00F9344, 0x8708A3D2, 0x1E01F268, 0x6906C2FE, - 0xF762575D, 0x806567CB, 0x196C3671, 0x6E6B06E7, - 0xFED41B76, 0x89D32BE0, 0x10DA7A5A, 0x67DD4ACC, - 0xF9B9DF6F, 0x8EBEEFF9, 0x17B7BE43, 0x60B08ED5, - 0xD6D6A3E8, 0xA1D1937E, 0x38D8C2C4, 0x4FDFF252, - 0xD1BB67F1, 0xA6BC5767, 0x3FB506DD, 0x48B2364B, - 0xD80D2BDA, 0xAF0A1B4C, 0x36034AF6, 0x41047A60, - 0xDF60EFC3, 0xA867DF55, 0x316E8EEF, 0x4669BE79, - 0xCB61B38C, 0xBC66831A, 0x256FD2A0, 0x5268E236, - 0xCC0C7795, 0xBB0B4703, 0x220216B9, 0x5505262F, - 0xC5BA3BBE, 0xB2BD0B28, 0x2BB45A92, 0x5CB36A04, - 0xC2D7FFA7, 0xB5D0CF31, 0x2CD99E8B, 0x5BDEAE1D, - 0x9B64C2B0, 0xEC63F226, 0x756AA39C, 0x026D930A, - 0x9C0906A9, 0xEB0E363F, 0x72076785, 0x05005713, - 0x95BF4A82, 0xE2B87A14, 0x7BB12BAE, 0x0CB61B38, - 0x92D28E9B, 0xE5D5BE0D, 0x7CDCEFB7, 0x0BDBDF21, - 0x86D3D2D4, 0xF1D4E242, 0x68DDB3F8, 0x1FDA836E, - 0x81BE16CD, 0xF6B9265B, 0x6FB077E1, 0x18B74777, - 0x88085AE6, 0xFF0F6A70, 0x66063BCA, 0x11010B5C, - 0x8F659EFF, 0xF862AE69, 0x616BFFD3, 0x166CCF45, - 0xA00AE278, 0xD70DD2EE, 0x4E048354, 0x3903B3C2, - 0xA7672661, 0xD06016F7, 0x4969474D, 0x3E6E77DB, - 0xAED16A4A, 0xD9D65ADC, 0x40DF0B66, 0x37D83BF0, - 0xA9BCAE53, 0xDEBB9EC5, 0x47B2CF7F, 0x30B5FFE9, - 0xBDBDF21C, 0xCABAC28A, 0x53B39330, 0x24B4A3A6, - 0xBAD03605, 0xCDD70693, 0x54DE5729, 0x23D967BF, - 0xB3667A2E, 0xC4614AB8, 0x5D681B02, 0x2A6F2B94, - 0xB40BBE37, 0xC30C8EA1, 0x5A05DF1B, 0x2D02EF8D - ]; - - if (typeof(crc) == "undefined") { crc = 0; } - var x = 0; - var y = 0; - var byte = 0; - - crc = crc ^ (-1); - for( var i = 0, iTop = input.length; i < iTop; i++ ) { - byte = isArray ? input[i] : input.charCodeAt(i); - y = ( crc ^ byte ) & 0xFF; - x = table[y]; - crc = ( crc >>> 8 ) ^ x; - } - - return crc ^ (-1); - }, - - // Inspired by http://my.opera.com/GreyWyvern/blog/show.dml/1725165 - clone : function() { - var newObj = new JSZip(); - for (var i in this) { - if (typeof this[i] !== "function") { - newObj[i] = this[i]; - } - } - return newObj; - }, - - - /** - * http://www.webtoolkit.info/javascript-utf8.html - */ - utf8encode : function (string) { - // TextEncoder + Uint8Array to binary string is faster than checking every bytes on long strings. - // http://jsperf.com/utf8encode-vs-textencoder - // On short strings (file names for example), the TextEncoder API is (currently) slower. - if (JSZip.support.uint8array && typeof TextEncoder === "function") { - var u8 = TextEncoder("utf-8").encode(string); - return JSZip.utils.transformTo("string", u8); - } - if (JSZip.support.nodebuffer) { - return JSZip.utils.transformTo("string", new Buffer(string, "utf-8")); - } - - // array.join may be slower than string concatenation but generates less objects (less time spent garbage collecting). - // See also http://jsperf.com/array-direct-assignment-vs-push/31 - var result = [], resIndex = 0; - - for (var n = 0; n < string.length; n++) { - - var c = string.charCodeAt(n); - - if (c < 128) { - result[resIndex++] = String.fromCharCode(c); - } else if ((c > 127) && (c < 2048)) { - result[resIndex++] = String.fromCharCode((c >> 6) | 192); - result[resIndex++] = String.fromCharCode((c & 63) | 128); - } else { - result[resIndex++] = String.fromCharCode((c >> 12) | 224); - result[resIndex++] = String.fromCharCode(((c >> 6) & 63) | 128); - result[resIndex++] = String.fromCharCode((c & 63) | 128); - } - - } - - return result.join(""); - }, - - /** - * http://www.webtoolkit.info/javascript-utf8.html - */ - utf8decode : function (input) { - var result = [], resIndex = 0; - var type = JSZip.utils.getTypeOf(input); - var isArray = type !== "string"; - var i = 0; - var c = 0, c1 = 0, c2 = 0, c3 = 0; - - // check if we can use the TextDecoder API - // see http://encoding.spec.whatwg.org/#api - if (JSZip.support.uint8array && typeof TextDecoder === "function") { - return TextDecoder("utf-8").decode( - JSZip.utils.transformTo("uint8array", input) - ); - } - if (JSZip.support.nodebuffer) { - return JSZip.utils.transformTo("nodebuffer", input).toString("utf-8"); - } - - while ( i < input.length ) { - - c = isArray ? input[i] : input.charCodeAt(i); - - if (c < 128) { - result[resIndex++] = String.fromCharCode(c); - i++; - } else if ((c > 191) && (c < 224)) { - c2 = isArray ? input[i+1] : input.charCodeAt(i+1); - result[resIndex++] = String.fromCharCode(((c & 31) << 6) | (c2 & 63)); - i += 2; - } else { - c2 = isArray ? input[i+1] : input.charCodeAt(i+1); - c3 = isArray ? input[i+2] : input.charCodeAt(i+2); - result[resIndex++] = String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63)); - i += 3; - } - - } - - return result.join(""); - } - }; -}()); - -/* - * Compression methods - * This object is filled in as follow : - * name : { - * magic // the 2 bytes indentifying the compression method - * compress // function, take the uncompressed content and return it compressed. - * uncompress // function, take the compressed content and return it uncompressed. - * compressInputType // string, the type accepted by the compress method. null to accept everything. - * uncompressInputType // string, the type accepted by the uncompress method. null to accept everything. - * } - * - * STORE is the default compression method, so it's included in this file. - * Other methods should go to separated files : the user wants modularity. - */ -JSZip.compressions = { - "STORE" : { - magic : "\x00\x00", - compress : function (content) { - return content; // no compression - }, - uncompress : function (content) { - return content; // no compression - }, - compressInputType : null, - uncompressInputType : null - } -}; - -/* - * List features that require a modern browser, and if the current browser support them. - */ -JSZip.support = { - // contains true if JSZip can read/generate ArrayBuffer, false otherwise. - arraybuffer : (function(){ - return typeof ArrayBuffer !== "undefined" && typeof Uint8Array !== "undefined"; - })(), - // contains true if JSZip can read/generate nodejs Buffer, false otherwise. - nodebuffer : (function(){ - return typeof Buffer !== "undefined"; - })(), - // contains true if JSZip can read/generate Uint8Array, false otherwise. - uint8array : (function(){ - return typeof Uint8Array !== "undefined"; - })(), - // contains true if JSZip can read/generate Blob, false otherwise. - blob : (function(){ - // the spec started with BlobBuilder then replaced it with a construtor for Blob. - // Result : we have browsers that : - // * know the BlobBuilder (but with prefix) - // * know the Blob constructor - // * know about Blob but not about how to build them - // About the "=== 0" test : if given the wrong type, it may be converted to a string. - // Instead of an empty content, we will get "[object Uint8Array]" for example. - if (typeof ArrayBuffer === "undefined") { - return false; - } - var buffer = new ArrayBuffer(0); - try { - return new Blob([buffer], { type: "application/zip" }).size === 0; - } - catch(e) {} - - try { - var builder = new (window.BlobBuilder || window.WebKitBlobBuilder || - window.MozBlobBuilder || window.MSBlobBuilder)(); - builder.append(buffer); - return builder.getBlob('application/zip').size === 0; - } - catch(e) {} - - return false; - })() -}; - -(function () { - JSZip.utils = { - /** - * Convert a string to a "binary string" : a string containing only char codes between 0 and 255. - * @param {string} str the string to transform. - * @return {String} the binary string. - */ - string2binary : function (str) { - var result = ""; - for (var i = 0; i < str.length; i++) { - result += String.fromCharCode(str.charCodeAt(i) & 0xff); - } - return result; - }, - /** - * Create a Uint8Array from the string. - * @param {string} str the string to transform. - * @return {Uint8Array} the typed array. - * @throws {Error} an Error if the browser doesn't support the requested feature. - * @deprecated : use JSZip.utils.transformTo instead. - */ - string2Uint8Array : function (str) { - return JSZip.utils.transformTo("uint8array", str); - }, - - /** - * Create a string from the Uint8Array. - * @param {Uint8Array} array the array to transform. - * @return {string} the string. - * @throws {Error} an Error if the browser doesn't support the requested feature. - * @deprecated : use JSZip.utils.transformTo instead. - */ - uint8Array2String : function (array) { - return JSZip.utils.transformTo("string", array); - }, - /** - * Create a blob from the given ArrayBuffer. - * @param {ArrayBuffer} buffer the buffer to transform. - * @return {Blob} the result. - * @throws {Error} an Error if the browser doesn't support the requested feature. - */ - arrayBuffer2Blob : function (buffer) { - JSZip.utils.checkSupport("blob"); - - try { - // Blob constructor - return new Blob([buffer], { type: "application/zip" }); - } - catch(e) {} - - try { - // deprecated, browser only, old way - var builder = new (window.BlobBuilder || window.WebKitBlobBuilder || - window.MozBlobBuilder || window.MSBlobBuilder)(); - builder.append(buffer); - return builder.getBlob('application/zip'); - } - catch(e) {} - - // well, fuck ?! - throw new Error("Bug : can't construct the Blob."); - }, - /** - * Create a blob from the given string. - * @param {string} str the string to transform. - * @return {Blob} the result. - * @throws {Error} an Error if the browser doesn't support the requested feature. - */ - string2Blob : function (str) { - var buffer = JSZip.utils.transformTo("arraybuffer", str); - return JSZip.utils.arrayBuffer2Blob(buffer); - } - }; - - /** - * The identity function. - * @param {Object} input the input. - * @return {Object} the same input. - */ - function identity(input) { - return input; - }; - - /** - * Fill in an array with a string. - * @param {String} str the string to use. - * @param {Array|ArrayBuffer|Uint8Array|Buffer} array the array to fill in (will be mutated). - * @return {Array|ArrayBuffer|Uint8Array|Buffer} the updated array. - */ - function stringToArrayLike(str, array) { - for (var i = 0; i < str.length; ++i) { - array[i] = str.charCodeAt(i) & 0xFF; - } - return array; - }; - - /** - * Transform an array-like object to a string. - * @param {Array|ArrayBuffer|Uint8Array|Buffer} array the array to transform. - * @return {String} the result. - */ - function arrayLikeToString(array) { - // Performances notes : - // -------------------- - // String.fromCharCode.apply(null, array) is the fastest, see - // see http://jsperf.com/converting-a-uint8array-to-a-string/2 - // but the stack is limited (and we can get huge arrays !). - // - // result += String.fromCharCode(array[i]); generate too many strings ! - // - // This code is inspired by http://jsperf.com/arraybuffer-to-string-apply-performance/2 - var chunk = 65536; - var result = [], len = array.length, type = JSZip.utils.getTypeOf(array), k = 0; - - while (k < len && chunk > 1) { - try { - if (type === "array" || type === "nodebuffer") { - result.push(String.fromCharCode.apply(null, array.slice(k, Math.max(k + chunk, len)))); - } else { - result.push(String.fromCharCode.apply(null, array.subarray(k, k + chunk))); - } - k += chunk; - } catch (e) { - chunk = Math.floor(chunk / 2); - } - } - return result.join(""); - }; - - /** - * Copy the data from an array-like to an other array-like. - * @param {Array|ArrayBuffer|Uint8Array|Buffer} arrayFrom the origin array. - * @param {Array|ArrayBuffer|Uint8Array|Buffer} arrayTo the destination array which will be mutated. - * @return {Array|ArrayBuffer|Uint8Array|Buffer} the updated destination array. - */ - function arrayLikeToArrayLike(arrayFrom, arrayTo) { - for(var i = 0; i < arrayFrom.length; i++) { - arrayTo[i] = arrayFrom[i]; - } - return arrayTo; - }; - - // a matrix containing functions to transform everything into everything. - var transform = {}; - - // string to ? - transform["string"] = { - "string" : identity, - "array" : function (input) { - return stringToArrayLike(input, new Array(input.length)); - }, - "arraybuffer" : function (input) { - return transform["string"]["uint8array"](input).buffer; - }, - "uint8array" : function (input) { - return stringToArrayLike(input, new Uint8Array(input.length)); - }, - "nodebuffer" : function (input) { - return stringToArrayLike(input, new Buffer(input.length)); - } - }; - - // array to ? - transform["array"] = { - "string" : arrayLikeToString, - "array" : identity, - "arraybuffer" : function (input) { - return (new Uint8Array(input)).buffer; - }, - "uint8array" : function (input) { - return new Uint8Array(input); - }, - "nodebuffer" : function (input) { - return new Buffer(input); - } - }; - - // arraybuffer to ? - transform["arraybuffer"] = { - "string" : function (input) { - return arrayLikeToString(new Uint8Array(input)); - }, - "array" : function (input) { - return arrayLikeToArrayLike(new Uint8Array(input), new Array(input.byteLength)); - }, - "arraybuffer" : identity, - "uint8array" : function (input) { - return new Uint8Array(input); - }, - "nodebuffer" : function (input) { - return new Buffer(new Uint8Array(input)); - } - }; - - // uint8array to ? - transform["uint8array"] = { - "string" : arrayLikeToString, - "array" : function (input) { - return arrayLikeToArrayLike(input, new Array(input.length)); - }, - "arraybuffer" : function (input) { - return input.buffer; - }, - "uint8array" : identity, - "nodebuffer" : function(input) { - return new Buffer(input); - } - }; - - // nodebuffer to ? - transform["nodebuffer"] = { - "string" : arrayLikeToString, - "array" : function (input) { - return arrayLikeToArrayLike(input, new Array(input.length)); - }, - "arraybuffer" : function (input) { - return transform["nodebuffer"]["uint8array"](input).buffer; - }, - "uint8array" : function (input) { - return arrayLikeToArrayLike(input, new Uint8Array(input.length)); - }, - "nodebuffer" : identity - }; - - /** - * Transform an input into any type. - * The supported output type are : string, array, uint8array, arraybuffer, nodebuffer. - * If no output type is specified, the unmodified input will be returned. - * @param {String} outputType the output type. - * @param {String|Array|ArrayBuffer|Uint8Array|Buffer} input the input to convert. - * @throws {Error} an Error if the browser doesn't support the requested output type. - */ - JSZip.utils.transformTo = function (outputType, input) { - if (!input) { - // undefined, null, etc - // an empty string won't harm. - input = ""; - } - if (!outputType) { - return input; - } - JSZip.utils.checkSupport(outputType); - var inputType = JSZip.utils.getTypeOf(input); - var result = transform[inputType][outputType](input); - return result; - }; - - /** - * Return the type of the input. - * The type will be in a format valid for JSZip.utils.transformTo : string, array, uint8array, arraybuffer. - * @param {Object} input the input to identify. - * @return {String} the (lowercase) type of the input. - */ - JSZip.utils.getTypeOf = function (input) { - if (typeof input === "string") { - return "string"; - } - if (input instanceof Array) { - return "array"; - } - if (JSZip.support.nodebuffer && Buffer.isBuffer(input)) { - return "nodebuffer"; - } - if (JSZip.support.uint8array && input instanceof Uint8Array) { - return "uint8array"; - } - if (JSZip.support.arraybuffer && input instanceof ArrayBuffer) { - return "arraybuffer"; - } - }; - - /** - * Throw an exception if the type is not supported. - * @param {String} type the type to check. - * @throws {Error} an Error if the browser doesn't support the requested type. - */ - JSZip.utils.checkSupport = function (type) { - var supported = true; - switch (type.toLowerCase()) { - case "uint8array": - supported = JSZip.support.uint8array; - break; - case "arraybuffer": - supported = JSZip.support.arraybuffer; - break; - case "nodebuffer": - supported = JSZip.support.nodebuffer; - break; - case "blob": - supported = JSZip.support.blob; - break; - } - if (!supported) { - throw new Error(type + " is not supported by this browser"); - } - }; - - -})(); - -(function (){ - /** - * Represents an entry in the zip. - * The content may or may not be compressed. - * @constructor - */ - JSZip.CompressedObject = function () { - this.compressedSize = 0; - this.uncompressedSize = 0; - this.crc32 = 0; - this.compressionMethod = null; - this.compressedContent = null; - }; - - JSZip.CompressedObject.prototype = { - /** - * Return the decompressed content in an unspecified format. - * The format will depend on the decompressor. - * @return {Object} the decompressed content. - */ - getContent : function () { - return null; // see implementation - }, - /** - * Return the compressed content in an unspecified format. - * The format will depend on the compressed conten source. - * @return {Object} the compressed content. - */ - getCompressedContent : function () { - return null; // see implementation - } - }; -})(); - -/** - * - * Base64 encode / decode - * http://www.webtoolkit.info/ - * - * Hacked so that it doesn't utf8 en/decode everything - **/ -JSZip.base64 = (function() { - // private property - var _keyStr = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="; - - return { - // public method for encoding - encode : function(input, utf8) { - var output = ""; - var chr1, chr2, chr3, enc1, enc2, enc3, enc4; - var i = 0; - - while (i < input.length) { - - chr1 = input.charCodeAt(i++); - chr2 = input.charCodeAt(i++); - chr3 = input.charCodeAt(i++); - - enc1 = chr1 >> 2; - enc2 = ((chr1 & 3) << 4) | (chr2 >> 4); - enc3 = ((chr2 & 15) << 2) | (chr3 >> 6); - enc4 = chr3 & 63; - - if (isNaN(chr2)) { - enc3 = enc4 = 64; - } else if (isNaN(chr3)) { - enc4 = 64; - } - - output = output + - _keyStr.charAt(enc1) + _keyStr.charAt(enc2) + - _keyStr.charAt(enc3) + _keyStr.charAt(enc4); - - } - - return output; - }, - - // public method for decoding - decode : function(input, utf8) { - var output = ""; - var chr1, chr2, chr3; - var enc1, enc2, enc3, enc4; - var i = 0; - - input = input.replace(/[^A-Za-z0-9\+\/\=]/g, ""); - - while (i < input.length) { - - enc1 = _keyStr.indexOf(input.charAt(i++)); - enc2 = _keyStr.indexOf(input.charAt(i++)); - enc3 = _keyStr.indexOf(input.charAt(i++)); - enc4 = _keyStr.indexOf(input.charAt(i++)); - - chr1 = (enc1 << 2) | (enc2 >> 4); - chr2 = ((enc2 & 15) << 4) | (enc3 >> 2); - chr3 = ((enc3 & 3) << 6) | enc4; - - output = output + String.fromCharCode(chr1); - - if (enc3 != 64) { - output = output + String.fromCharCode(chr2); - } - if (enc4 != 64) { - output = output + String.fromCharCode(chr3); - } - - } - - return output; - - } - }; -}()); - -// enforcing Stuk's coding style -// vim: set shiftwidth=3 softtabstop=3: |