webgme-rosmod
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This repository contains ROSMOD developed for WebGME. ROSMOD is a web-based, collaborative, modeling and execution environment for distributed embedded applications built using ROS http://rosmod.rcps.isis.vanderbilt.edu
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JavaScript
/*!
JSZip - A Javascript class for generating and reading zip files
<http://stuartk.com/jszip>
(c) 2009-2014 Stuart Knightley <stuart [at] stuartk.com>
Dual licenced under the MIT license or GPLv3. See https://raw.github.com/Stuk/jszip/master/LICENSE.markdown.
JSZip uses the library pako released under the MIT license :
https://github.com/nodeca/pako/blob/master/LICENSE
*/
(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.JSZip = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
'use strict';
var utils = require('./utils');
var support = require('./support');
// private property
var _keyStr = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
// public method for encoding
exports.encode = function(input) {
var output = [];
var chr1, chr2, chr3, enc1, enc2, enc3, enc4;
var i = 0, len = input.length, remainingBytes = len;
var isArray = utils.getTypeOf(input) !== "string";
while (i < input.length) {
remainingBytes = len - i;
if (!isArray) {
chr1 = input.charCodeAt(i++);
chr2 = i < len ? input.charCodeAt(i++) : 0;
chr3 = i < len ? input.charCodeAt(i++) : 0;
} else {
chr1 = input[i++];
chr2 = i < len ? input[i++] : 0;
chr3 = i < len ? input[i++] : 0;
}
enc1 = chr1 >> 2;
enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
enc3 = remainingBytes > 1 ? (((chr2 & 15) << 2) | (chr3 >> 6)) : 64;
enc4 = remainingBytes > 2 ? (chr3 & 63) : 64;
output.push(_keyStr.charAt(enc1) + _keyStr.charAt(enc2) + _keyStr.charAt(enc3) + _keyStr.charAt(enc4));
}
return output.join("");
};
// public method for decoding
exports.decode = function(input) {
var chr1, chr2, chr3;
var enc1, enc2, enc3, enc4;
var i = 0, resultIndex = 0;
input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");
var totalLength = input.length * 3 / 4;
if(input.charAt(input.length - 1) === _keyStr.charAt(64)) {
totalLength--;
}
if(input.charAt(input.length - 2) === _keyStr.charAt(64)) {
totalLength--;
}
var output;
if (support.uint8array) {
output = new Uint8Array(totalLength);
} else {
output = new Array(totalLength);
}
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[resultIndex++] = chr1;
if (enc3 !== 64) {
output[resultIndex++] = chr2;
}
if (enc4 !== 64) {
output[resultIndex++] = chr3;
}
}
return output;
};
},{"./support":27,"./utils":29}],2:[function(require,module,exports){
'use strict';
var external = require("./external");
var DataWorker = require('./stream/DataWorker');
var DataLengthProbe = require('./stream/DataLengthProbe');
var Crc32Probe = require('./stream/Crc32Probe');
var DataLengthProbe = require('./stream/DataLengthProbe');
/**
* Represent a compressed object, with everything needed to decompress it.
* @constructor
* @param {number} compressedSize the size of the data compressed.
* @param {number} uncompressedSize the size of the data after decompression.
* @param {number} crc32 the crc32 of the decompressed file.
* @param {object} compression the type of compression, see lib/compressions.js.
* @param {String|ArrayBuffer|Uint8Array|Buffer} data the compressed data.
*/
function CompressedObject(compressedSize, uncompressedSize, crc32, compression, data) {
this.compressedSize = compressedSize;
this.uncompressedSize = uncompressedSize;
this.crc32 = crc32;
this.compression = compression;
this.compressedContent = data;
}
CompressedObject.prototype = {
/**
* Create a worker to get the uncompressed content.
* @return {GenericWorker} the worker.
*/
getContentWorker : function () {
var worker = new DataWorker(external.Promise.resolve(this.compressedContent))
.pipe(this.compression.uncompressWorker())
.pipe(new DataLengthProbe("data_length"));
var that = this;
worker.on("end", function () {
if(this.streamInfo['data_length'] !== that.uncompressedSize) {
throw new Error("Bug : uncompressed data size mismatch");
}
});
return worker;
},
/**
* Create a worker to get the compressed content.
* @return {GenericWorker} the worker.
*/
getCompressedWorker : function () {
return new DataWorker(external.Promise.resolve(this.compressedContent))
.withStreamInfo("compressedSize", this.compressedSize)
.withStreamInfo("uncompressedSize", this.uncompressedSize)
.withStreamInfo("crc32", this.crc32)
.withStreamInfo("compression", this.compression)
;
}
};
/**
* Chain the given worker with other workers to compress the content with the
* given compresion.
* @param {GenericWorker} uncompressedWorker the worker to pipe.
* @param {Object} compression the compression object.
* @param {Object} compressionOptions the options to use when compressing.
* @return {GenericWorker} the new worker compressing the content.
*/
CompressedObject.createWorkerFrom = function (uncompressedWorker, compression, compressionOptions) {
return uncompressedWorker
.pipe(new Crc32Probe())
.pipe(new DataLengthProbe("uncompressedSize"))
.pipe(compression.compressWorker(compressionOptions))
.pipe(new DataLengthProbe("compressedSize"))
.withStreamInfo("compression", compression);
};
module.exports = CompressedObject;
},{"./external":6,"./stream/Crc32Probe":22,"./stream/DataLengthProbe":23,"./stream/DataWorker":24}],3:[function(require,module,exports){
'use strict';
var GenericWorker = require("./stream/GenericWorker");
exports.STORE = {
magic: "\x00\x00",
compressWorker : function (compressionOptions) {
return new GenericWorker("STORE compression");
},
uncompressWorker : function () {
return new GenericWorker("STORE decompression");
}
};
exports.DEFLATE = require('./flate');
},{"./flate":7,"./stream/GenericWorker":25}],4:[function(require,module,exports){
'use strict';
var utils = require('./utils');
/**
* The following functions come from pako, from pako/lib/zlib/crc32.js
* released under the MIT license, see pako https://github.com/nodeca/pako/
*/
// Use ordinary array, since untyped makes no boost here
function makeTable() {
var c, table = [];
for(var n =0; n < 256; n++){
c = n;
for(var k =0; k < 8; k++){
c = ((c&1) ? (0xEDB88320 ^ (c >>> 1)) : (c >>> 1));
}
table[n] = c;
}
return table;
}
// Create table on load. Just 255 signed longs. Not a problem.
var crcTable = makeTable();
function crc32(crc, buf, len, pos) {
var t = crcTable, end = pos + len;
crc = crc ^ (-1);
for (var i = pos; i < end; i++ ) {
crc = (crc >>> 8) ^ t[(crc ^ buf[i]) & 0xFF];
}
return (crc ^ (-1)); // >>> 0;
}
// That's all for the pako functions.
/**
* Compute the crc32 of a string.
* This is almost the same as the function crc32, but for strings. Using the
* same function for the two use cases leads to horrible performances.
* @param {Number} crc the starting value of the crc.
* @param {String} str the string to use.
* @param {Number} len the length of the string.
* @param {Number} pos the starting position for the crc32 computation.
* @return {Number} the computed crc32.
*/
function crc32str(crc, str, len, pos) {
var t = crcTable, end = pos + len;
crc = crc ^ (-1);
for (var i = pos; i < end; i++ ) {
crc = (crc >>> 8) ^ t[(crc ^ str.charCodeAt(i)) & 0xFF];
}
return (crc ^ (-1)); // >>> 0;
}
module.exports = function crc32wrapper(input, crc) {
if (typeof input === "undefined" || !input.length) {
return 0;
}
var isArray = utils.getTypeOf(input) !== "string";
if(isArray) {
return crc32(crc|0, input, input.length, 0);
} else {
return crc32str(crc|0, input, input.length, 0);
}
};
// vim: set shiftwidth=4 softtabstop=4:
},{"./utils":29}],5:[function(require,module,exports){
'use strict';
exports.base64 = false;
exports.binary = false;
exports.dir = false;
exports.createFolders = true;
exports.date = null;
exports.compression = null;
exports.compressionOptions = null;
exports.comment = null;
exports.unixPermissions = null;
exports.dosPermissions = null;
},{}],6:[function(require,module,exports){
'use strict';
var ES6Promise = require("es6-promise").Promise;
/**
* Let the user use/change some implementations.
*/
module.exports = {
Promise: ES6Promise
};
},{"es6-promise":37}],7:[function(require,module,exports){
'use strict';
var USE_TYPEDARRAY = (typeof Uint8Array !== 'undefined') && (typeof Uint16Array !== 'undefined') && (typeof Uint32Array !== 'undefined');
var pako = require("pako");
var utils = require("./utils");
var GenericWorker = require("./stream/GenericWorker");
var ARRAY_TYPE = USE_TYPEDARRAY ? "uint8array" : "array";
exports.magic = "\x08\x00";
/**
* Create a worker that uses pako to inflate/deflate.
* @constructor
* @param {String} action the name of the pako function to call : either "Deflate" or "Inflate".
* @param {Object} options the options to use when (de)compressing.
*/
function FlateWorker(action, options) {
GenericWorker.call(this, "FlateWorker/" + action);
this._pako = new pako[action]({
raw:true,
level : options.level || -1 // default compression
});
// the `meta` object from the last chunk received
// this allow this worker to pass around metadata
this.meta = {};
var self = this;
this._pako.onData = function(data) {
self.push({
data : data,
meta : self.meta
});
};
}
utils.inherits(FlateWorker, GenericWorker);
/**
* @see GenericWorker.processChunk
*/
FlateWorker.prototype.processChunk = function (chunk) {
this.meta = chunk.meta;
this._pako.push(utils.transformTo(ARRAY_TYPE, chunk.data), false);
};
/**
* @see GenericWorker.flush
*/
FlateWorker.prototype.flush = function () {
GenericWorker.prototype.flush.call(this);
this._pako.push([], true);
};
/**
* @see GenericWorker.cleanUp
*/
FlateWorker.prototype.cleanUp = function () {
GenericWorker.prototype.cleanUp.call(this);
this._pako = null;
};
exports.compressWorker = function (compressionOptions) {
return new FlateWorker("Deflate", compressionOptions);
};
exports.uncompressWorker = function () {
return new FlateWorker("Inflate", {});
};
},{"./stream/GenericWorker":25,"./utils":29,"pako":38}],8:[function(require,module,exports){
'use strict';
var utils = require('../utils');
var GenericWorker = require('../stream/GenericWorker');
var utf8 = require('../utf8');
var crc32 = require('../crc32');
var signature = require('../signature');
/**
* 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;
};
/**
* Generate the UNIX part of the external file attributes.
* @param {Object} unixPermissions the unix permissions or null.
* @param {Boolean} isDir true if the entry is a directory, false otherwise.
* @return {Number} a 32 bit integer.
*
* adapted from http://unix.stackexchange.com/questions/14705/the-zip-formats-external-file-attribute :
*
* TTTTsstrwxrwxrwx0000000000ADVSHR
* ^^^^____________________________ file type, see zipinfo.c (UNX_*)
* ^^^_________________________ setuid, setgid, sticky
* ^^^^^^^^^________________ permissions
* ^^^^^^^^^^______ not used ?
* ^^^^^^ DOS attribute bits : Archive, Directory, Volume label, System file, Hidden, Read only
*/
var generateUnixExternalFileAttr = function (unixPermissions, isDir) {
var result = unixPermissions;
if (!unixPermissions) {
// I can't use octal values in strict mode, hence the hexa.
// 040775 => 0x41fd
// 0100664 => 0x81b4
result = isDir ? 0x41fd : 0x81b4;
}
return (result & 0xFFFF) << 16;
};
/**
* Generate the DOS part of the external file attributes.
* @param {Object} dosPermissions the dos permissions or null.
* @param {Boolean} isDir true if the entry is a directory, false otherwise.
* @return {Number} a 32 bit integer.
*
* Bit 0 Read-Only
* Bit 1 Hidden
* Bit 2 System
* Bit 3 Volume Label
* Bit 4 Directory
* Bit 5 Archive
*/
var generateDosExternalFileAttr = function (dosPermissions, isDir) {
// the dir flag is already set for compatibility
return (dosPermissions || 0) & 0x3F;
};
/**
* Generate the various parts used in the construction of the final zip file.
* @param {Object} streamInfo the hash with informations about the compressed file.
* @param {Boolean} streamedContent is the content streamed ?
* @param {Boolean} streamingEnded is the stream finished ?
* @param {number} offset the current offset from the start of the zip file.
* @param {String} platform let's pretend we are this platform (change platform dependents fields)
* @param {Function} encodeFileName the function to encode the file name / comment.
* @return {Object} the zip parts.
*/
var generateZipParts = function(streamInfo, streamedContent, streamingEnded, offset, platform, encodeFileName) {
var file = streamInfo['file'],
compression = streamInfo['compression'],
useCustomEncoding = encodeFileName !== utf8.utf8encode,
encodedFileName = utils.transformTo("string", encodeFileName(file.name)),
utfEncodedFileName = utils.transformTo("string", utf8.utf8encode(file.name)),
comment = file.comment,
encodedComment = utils.transformTo("string", encodeFileName(comment)),
utfEncodedComment = utils.transformTo("string", utf8.utf8encode(comment)),
useUTF8ForFileName = utfEncodedFileName.length !== file.name.length,
useUTF8ForComment = utfEncodedComment.length !== comment.length,
dosTime,
dosDate,
extraFields = "",
unicodePathExtraField = "",
unicodeCommentExtraField = "",
dir = file.dir,
date = file.date;
var dataInfo = {
crc32 : 0,
compressedSize : 0,
uncompressedSize : 0
};
// if the content is streamed, the sizes/crc32 are only available AFTER
// the end of the stream.
if (!streamedContent || streamingEnded) {
dataInfo.crc32 = streamInfo['crc32'];
dataInfo.compressedSize = streamInfo['compressedSize'];
dataInfo.uncompressedSize = streamInfo['uncompressedSize'];
}
var bitflag = 0;
if (streamedContent) {
bitflag |= 0x0008;
}
if (!useCustomEncoding && (useUTF8ForFileName || useUTF8ForComment)) {
bitflag |= 0x0800;
}
var extFileAttr = 0;
var versionMadeBy = 0;
if (dir) {
// dos or unix, we set the dos dir flag
extFileAttr |= 0x00010;
}
if(platform === "UNIX") {
versionMadeBy = 0x031E; // UNIX, version 3.0
extFileAttr |= generateUnixExternalFileAttr(file.unixPermissions, dir);
} else { // DOS or other, fallback to DOS
versionMadeBy = 0x0014; // DOS, version 2.0
extFileAttr |= generateDosExternalFileAttr(file.dosPermissions, dir);
}
// 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 = date.getUTCHours();
dosTime = dosTime << 6;
dosTime = dosTime | date.getUTCMinutes();
dosTime = dosTime << 5;
dosTime = dosTime | date.getUTCSeconds() / 2;
dosDate = date.getUTCFullYear() - 1980;
dosDate = dosDate << 4;
dosDate = dosDate | (date.getUTCMonth() + 1);
dosDate = dosDate << 5;
dosDate = dosDate | date.getUTCDate();
if (useUTF8ForFileName) {
// set the unicode path extra field. unzip needs at least one extra
// field to correctly handle unicode path, so using the path is as good
// as any other information. This could improve the situation with
// other archive managers too.
// This field is usually used without the utf8 flag, with a non
// unicode path in the header (winrar, winzip). This helps (a bit)
// with the messy Windows' default compressed folders feature but
// breaks on p7zip which doesn't seek the unicode path extra field.
// So for now, UTF-8 everywhere !
unicodePathExtraField =
// Version
decToHex(1, 1) +
// NameCRC32
decToHex(crc32(encodedFileName), 4) +
// UnicodeName
utfEncodedFileName;
extraFields +=
// Info-ZIP Unicode Path Extra Field
"\x75\x70" +
// size
decToHex(unicodePathExtraField.length, 2) +
// content
unicodePathExtraField;
}
if(useUTF8ForComment) {
unicodeCommentExtraField =
// Version
decToHex(1, 1) +
// CommentCRC32
decToHex(crc32(encodedComment), 4) +
// UnicodeName
utfEncodedComment;
extraFields +=
// Info-ZIP Unicode Path Extra Field
"\x75\x63" +
// size
decToHex(unicodeCommentExtraField.length, 2) +
// content
unicodeCommentExtraField;
}
var header = "";
// version needed to extract
header += "\x0A\x00";
// general purpose bit flag
// set bit 11 if utf8
header += decToHex(bitflag, 2);
// compression method
header += compression.magic;
// last mod file time
header += decToHex(dosTime, 2);
// last mod file date
header += decToHex(dosDate, 2);
// crc-32
header += decToHex(dataInfo.crc32, 4);
// compressed size
header += decToHex(dataInfo.compressedSize, 4);
// uncompressed size
header += decToHex(dataInfo.uncompressedSize, 4);
// file name length
header += decToHex(encodedFileName.length, 2);
// extra field length
header += decToHex(extraFields.length, 2);
var fileRecord = signature.LOCAL_FILE_HEADER + header + encodedFileName + extraFields;
var dirRecord = signature.CENTRAL_FILE_HEADER +
// version made by (00: DOS)
decToHex(versionMadeBy, 2) +
// file header (common to file and central directory)
header +
// file comment length
decToHex(encodedComment.length, 2) +
// disk number start
"\x00\x00" +
// internal file attributes TODO
"\x00\x00" +
// external file attributes
decToHex(extFileAttr, 4) +
// relative offset of local header
decToHex(offset, 4) +
// file name
encodedFileName +
// extra field
extraFields +
// file comment
encodedComment;
return {
fileRecord: fileRecord,
dirRecord: dirRecord
};
};
/**
* Generate the EOCD record.
* @param {Number} entriesCount the number of entries in the zip file.
* @param {Number} centralDirLength the length (in bytes) of the central dir.
* @param {Number} localDirLength the length (in bytes) of the local dir.
* @param {String} comment the zip file comment as a binary string.
* @param {Function} encodeFileName the function to encode the comment.
* @return {String} the EOCD record.
*/
var generateCentralDirectoryEnd = function (entriesCount, centralDirLength, localDirLength, comment, encodeFileName) {
var dirEnd = "";
var encodedComment = utils.transformTo("string", encodeFileName(comment));
// end of central dir signature
dirEnd = 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(entriesCount, 2) +
// total number of entries in the central directory
decToHex(entriesCount, 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
decToHex(encodedComment.length, 2) +
// .ZIP file comment
encodedComment;
return dirEnd;
};
/**
* Generate data descriptors for a file entry.
* @param {Object} streamInfo the hash generated by a worker, containing informations
* on the file entry.
* @return {String} the data descriptors.
*/
var generateDataDescriptors = function (streamInfo) {
var descriptor = "";
descriptor = signature.DATA_DESCRIPTOR +
// crc-32 4 bytes
decToHex(streamInfo['crc32'], 4) +
// compressed size 4 bytes
decToHex(streamInfo['compressedSize'], 4) +
// uncompressed size 4 bytes
decToHex(streamInfo['uncompressedSize'], 4);
return descriptor;
};
/**
* A worker to concatenate other workers to create a zip file.
* @param {Boolean} streamFiles `true` to stream the content of the files,
* `false` to accumulate it.
* @param {String} comment the comment to use.
* @param {String} platform the platform to use, "UNIX" or "DOS".
* @param {Function} encodeFileName the function to encode file names and comments.
*/
function ZipFileWorker(streamFiles, comment, platform, encodeFileName) {
GenericWorker.call(this, "ZipFileWorker");
// The number of bytes written so far. This doesn't count accumulated chunks.
this.bytesWritten = 0;
// The comment of the zip file
this.zipComment = comment;
// The platform "generating" the zip file.
this.zipPlatform = platform;
// the function to encode file names and comments.
this.encodeFileName = encodeFileName;
// Should we stream the content of the files ?
this.streamFiles = streamFiles;
// If `streamFiles` is false, we will need to accumulate the content of the
// files to calculate sizes / crc32 (and write them *before* the content).
// This boolean indicates if we are accumulating chunks (it will change a lot
// during the lifetime of this worker).
this.accumulate = false;
// The buffer receiving chunks when accumulating content.
this.contentBuffer = [];
// The list of generated directory records.
this.dirRecords = [];
// The offset (in bytes) from the beginning of the zip file for the current source.
this.currentSourceOffset = 0;
// The total number of entries in this zip file.
this.entriesCount = 0;
// the name of the file currently being added, null when handling the end of the zip file.
// Used for the emited metadata.
this.currentFile = null;
this._sources = [];
}
utils.inherits(ZipFileWorker, GenericWorker);
/**
* @see GenericWorker.push
*/
ZipFileWorker.prototype.push = function (chunk) {
var currentFilePercent = chunk.meta.percent || 0;
var entriesCount = this.entriesCount;
var remainingFiles = this._sources.length;
if(this.accumulate) {
this.contentBuffer.push(chunk);
} else {
this.bytesWritten += chunk.data.length;
GenericWorker.prototype.push.call(this, {
data : chunk.data,
meta : {
currentFile : this.currentFile,
percent : entriesCount ? (currentFilePercent + 100 * (entriesCount - remainingFiles - 1)) / entriesCount : 100
}
});
}
};
/**
* The worker started a new source (an other worker).
* @param {Object} streamInfo the streamInfo object from the new source.
*/
ZipFileWorker.prototype.openedSource = function (streamInfo) {
this.currentSourceOffset = this.bytesWritten;
this.currentFile = streamInfo['file'].name;
// don't stream folders (because they don't have any content)
if(this.streamFiles && !streamInfo['file'].dir) {
var record = generateZipParts(streamInfo, this.streamFiles, false, this.currentSourceOffset, this.zipPlatform, this.encodeFileName);
this.push({
data : record.fileRecord,
meta : {percent:0}
});
} else {
// we need to wait for the whole file before pushing anything
this.accumulate = true;
}
};
/**
* The worker finished a source (an other worker).
* @param {Object} streamInfo the streamInfo object from the finished source.
*/
ZipFileWorker.prototype.closedSource = function (streamInfo) {
this.accumulate = false;
var record = generateZipParts(streamInfo, this.streamFiles, true, this.currentSourceOffset, this.zipPlatform, this.encodeFileName);
this.dirRecords.push(record.dirRecord);
if(this.streamFiles && !streamInfo['file'].dir) {
// after the streamed file, we put data descriptors
this.push({
data : generateDataDescriptors(streamInfo),
meta : {percent:100}
});
} else {
// the content wasn't streamed, we need to push everything now
// first the file record, then the content
this.push({
data : record.fileRecord,
meta : {percent:0}
});
while(this.contentBuffer.length) {
this.push(this.contentBuffer.shift());
}
}
this.currentFile = null;
};
/**
* @see GenericWorker.flush
*/
ZipFileWorker.prototype.flush = function () {
var localDirLength = this.bytesWritten;
for(var i = 0; i < this.dirRecords.length; i++) {
this.push({
data : this.dirRecords[i],
meta : {percent:100}
});
}
var centralDirLength = this.bytesWritten - localDirLength;
var dirEnd = generateCentralDirectoryEnd(this.dirRecords.length, centralDirLength, localDirLength, this.zipComment, this.encodeFileName);
this.push({
data : dirEnd,
meta : {percent:100}
});
};
/**
* Prepare the next source to be read.
*/
ZipFileWorker.prototype.prepareNextSource = function () {
this.previous = this._sources.shift();
this.openedSource(this.previous.streamInfo);
if (this.isPaused) {
this.previous.pause();
} else {
this.previous.resume();
}
};
/**
* @see GenericWorker.registerPrevious
*/
ZipFileWorker.prototype.registerPrevious = function (previous) {
this._sources.push(previous);
var self = this;
previous.on('data', function (chunk) {
self.processChunk(chunk);
});
previous.on('end', function () {
self.closedSource(self.previous.streamInfo);
if(self._sources.length) {
self.prepareNextSource();
} else {
self.end();
}
});
previous.on('error', function (e) {
self.error(e);
});
return this;
};
/**
* @see GenericWorker.resume
*/
ZipFileWorker.prototype.resume = function () {
if(!GenericWorker.prototype.resume.call(this)) {
return false;
}
if (!this.previous && this._sources.length) {
this.prepareNextSource();
return true;
}
if (!this.previous && !this._sources.length && !this.generatedError) {
this.end();
return true;
}
};
/**
* @see GenericWorker.error
*/
ZipFileWorker.prototype.error = function (e) {
var sources = this._sources;
if(!GenericWorker.prototype.error.call(this, e)) {
return false;
}
for(var i = 0; i < sources.length; i++) {
try {
sources[i].error(e);
} catch(e) {
// the `error` exploded, nothing to do
}
}
return true;
};
/**
* @see GenericWorker.lock
*/
ZipFileWorker.prototype.lock = function () {
GenericWorker.prototype.lock.call(this);
var sources = this._sources;
for(var i = 0; i < sources.length; i++) {
sources[i].lock();
}
};
module.exports = ZipFileWorker;
},{"../crc32":4,"../signature":20,"../stream/GenericWorker":25,"../utf8":28,"../utils":29}],9:[function(require,module,exports){
'use strict';
var compressions = require('../compressions');
var ZipFileWorker = require('./ZipFileWorker');
/**
* Find the compression to use.
* @param {String} fileCompression the compression defined at the file level, if any.
* @param {String} zipCompression the compression defined at the load() level.
* @return {Object} the compression object to use.
*/
var getCompression = function (fileCompression, zipCompression) {
var compressionName = fileCompression || zipCompression;
var compression = compressions[compressionName];
if (!compression) {
throw new Error(compressionName + " is not a valid compression method !");
}
return compression;
};
/**
* Create a worker to generate a zip file.
* @param {JSZip} zip the JSZip instance at the right root level.
* @param {Object} options to generate the zip file.
* @param {String} comment the comment to use.
*/
exports.generateWorker = function (zip, options, comment) {
var zipFileWorker = new ZipFileWorker(options.streamFiles, comment, options.platform, options.encodeFileName);
var entriesCount = 0;
try {
zip.forEach(function (relativePath, file) {
entriesCount++;
var compression = getCompression(file.options.compression, options.compression);
var compressionOptions = file.options.compressionOptions || options.compressionOptions || {};
var dir = file.dir, date = file.date;
file._compressWorker(compression, compressionOptions)
.withStreamInfo("file", {
name : relativePath,
dir : dir,
date : date,
comment : file.comment || "",
unixPermissions : file.unixPermissions,
dosPermissions : file.dosPermissions
})
.pipe(zipFileWorker);
});
zipFileWorker.entriesCount = entriesCount;
} catch (e) {
zipFileWorker.error(e);
}
return zipFileWorker;
};
},{"../compressions":3,"./ZipFileWorker":8}],10:[function(require,module,exports){
'use strict';
/**
* Representation a of zip file in js
* @constructor
*/
function JSZip() {
// if this constructor is used without `new`, it adds `new` before itself:
if(!(this instanceof JSZip)) {
return new JSZip();
}
if(arguments.length) {
throw new Error("The constructor with parameters has been removed in JSZip 3.0, please check the upgrade guide.");
}
// object containing the files :
// {
// "folder/" : {...},
// "folder/data.txt" : {...}
// }
this.files = {};
this.comment = null;
// Where we are in the hierarchy
this.root = "";
this.clone = function() {
var newObj = new JSZip();
for (var i in this) {
if (typeof this[i] !== "function") {
newObj[i] = this[i];
}
}
return newObj;
};
}
JSZip.prototype = require('./object');
JSZip.prototype.loadAsync = require('./load');
JSZip.support = require('./support');
JSZip.defaults = require('./defaults');
JSZip.loadAsync = function (content, options) {
return new JSZip().loadAsync(content, options);
};
JSZip.external = require("./external");
module.exports = JSZip;
},{"./defaults":5,"./external":6,"./load":11,"./object":13,"./support":27}],11:[function(require,module,exports){
'use strict';
var utils = require('./utils');
var external = require("./external");
var utf8 = require('./utf8');
var utils = require('./utils');
var ZipEntries = require('./zipEntries');
var Crc32Probe = require('./stream/Crc32Probe');
var nodejsUtils = require("./nodejsUtils");
/**
* Check the CRC32 of an entry.
* @param {ZipEntry} zipEntry the zip entry to check.
* @return {Promise} the result.
*/
function checkEntryCRC32(zipEntry) {
return new external.Promise(function (resolve, reject) {
var worker = zipEntry.decompressed.getContentWorker().pipe(new Crc32Probe());
worker.on("error", function (e) {
reject(e);
})
.on("end", function () {
if (worker.streamInfo.crc32 !== zipEntry.decompressed.crc32) {
reject(new Error("Corrupted zip : CRC32 mismatch"));
} else {
resolve();
}
})
.resume();
});
}
module.exports = function(data, options) {
var zip = this;
options = utils.extend(options || {}, {
base64: false,
checkCRC32: false,
optimizedBinaryString: false,
createFolders: false,
decodeFileName: utf8.utf8decode
});
if (nodejsUtils.isNode && nodejsUtils.isStream(data)) {
return external.Promise.reject(new Error("JSZip can't accept a stream when loading a zip file."));
}
return utils.prepareContent("the loaded zip file", data, true, options.optimizedBinaryString, options.base64)
.then(function(data) {
var zipEntries = new ZipEntries(options);
zipEntries.load(data);
return zipEntries;
}).then(function checkCRC32(zipEntries) {
var promises = [external.Promise.resolve(zipEntries)];
var files = zipEntries.files;
if (options.checkCRC32) {
for (var i = 0; i < files.length; i++) {
promises.push(checkEntryCRC32(files[i]));
}
}
return external.Promise.all(promises);
}).then(function addFiles(results) {
var zipEntries = results.shift();
var files = zipEntries.files;
for (var i = 0; i < files.length; i++) {
var input = files[i];
zip.file(input.fileNameStr, input.decompressed, {
binary: true,
optimizedBinaryString: true,
date: input.date,
dir: input.dir,
comment : input.fileCommentStr.length ? input.fileCommentStr : null,
unixPermissions : input.unixPermissions,
dosPermissions : input.dosPermissions,
createFolders: options.createFolders
});
}
if (zipEntries.zipComment.length) {
zip.comment = zipEntries.zipComment;
}
return zip;
});
};
},{"./external":6,"./nodejsUtils":12,"./stream/Crc32Probe":22,"./utf8":28,"./utils":29,"./zipEntries":30}],12:[function(require,module,exports){
(function (Buffer){
'use strict';
module.exports = {
/**
* True if this is running in Nodejs, will be undefined in a browser.
* In a browser, browserify won't include this file and the whole module
* will be resolved an empty object.
*/
isNode : typeof Buffer !== "undefined",
/**
* Create a new nodejs Buffer.
* @param {Object} data the data to pass to the constructor.
* @param {String} encoding the encoding to use.
* @return {Buffer} a new Buffer.
*/
newBuffer : function(data, encoding){
return new Buffer(data, encoding);
},
/**
* Find out if an object is a Buffer.
* @param {Object} b the object to test.
* @return {Boolean} true if the object is a Buffer, false otherwise.
*/
isBuffer : function(b){
return Buffer.isBuffer(b);
},
isStream : function (obj) {
return obj &&
typeof obj.on === "function" &&
typeof obj.pause === "function" &&
typeof obj.resume === "function";
}
};
}).call(this,(typeof Buffer !== "undefined" ? Buffer : undefined))
},{}],13:[function(require,module,exports){
'use strict';
var utf8 = require('./utf8');
var utils = require('./utils');
var GenericWorker = require('./stream/GenericWorker');
var StreamHelper = require('./stream/StreamHelper');
var defaults = require('./defaults');
var CompressedObject = require('./compressedObject');
var ZipObject = require('./zipObject');
var generate = require("./generate");
var nodejsUtils = require("./nodejsUtils");
var NodejsStreamInputAdapter = require("./nodejs/NodejsStreamInputAdapter");
/**
* 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 dataType = utils.getTypeOf(data),
parent;
/*
* Correct options.
*/
o = utils.extend(o || {}, defaults);
o.date = o.date || new Date();
if (o.compression !== null) {
o.compression = o.compression.toUpperCase();
}
if (typeof o.unixPermissions === "string") {
o.unixPermissions = parseInt(o.unixPermissions, 8);
}
// UNX_IFDIR 0040000 see zipinfo.c
if (o.unixPermissions && (o.unixPermissions & 0x4000)) {
o.dir = true;
}
// Bit 4 Directory
if (o.dosPermissions && (o.dosPermissions & 0x0010)) {
o.dir = true;
}
if (o.dir) {
name = forceTrailingSlash(name);
}
if (o.createFolders && (parent = parentFolder(name))) {
folderAdd.call(this, parent, true);
}
var isUnicodeString = dataType === "string" && o.binary === false && o.base64 === false;
o.binary = !isUnicodeString;
var isCompressedEmpty = (data instanceof CompressedObject) && data.uncompressedSize === 0;
if (isCompressedEmpty || o.dir || !data || data.length === 0) {
o.base64 = false;
o.binary = true;
data = "";
o.compression = "STORE";
dataType = "string";
}
/*
* Convert content to fit.
*/
var zipObjectContent = null;
if (data instanceof CompressedObject || data instanceof GenericWorker) {
zipObjectContent = data;
} else if (nodejsUtils.isNode && nodejsUtils.isStream(data)) {
zipObjectContent = new NodejsStreamInputAdapter(name, data);
} else {
zipObjectContent = utils.prepareContent(name, data, o.binary, o.optimizedBinaryString, o.base64);
}
var object = new ZipObject(name, zipObjectContent, o);
this.files[name] = object;
/*
TODO: we can't throw an exception because we have async promises
(we can have a promise of a Date() for example) but returning a
promise is useless because file(name, data) returns the JSZip
object for chaining. Should we break that to allow the user
to catch the error ?
return external.Promise.resolve(zipObjectContent)
.then(function () {
return object;
});
*/
};
/**
* 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) : "";
};
/**
* Returns the path with a slash at the end.
* @private
* @param {String} path the path to check.
* @return {String} the path with a trailing slash.
*/
var forceTrailingSlash = function(path) {
// Check the name ends with a /
if (path.slice(-1) !== "/") {
path += "/"; // IE doesn't like substr(-1)
}
return path;
};
/**
* Add a (sub) folder in the current folder.
* @private
* @param {string} name the folder's name
* @param {boolean=} [createFolders] If true, automatically create sub
* folders. Defaults to false.
* @return {Object} the new folder.
*/
var folderAdd = function(name, createFolders) {
createFolders = (typeof createFolders !== 'undefined') ? createFolders : defaults.createFolders;
name = forceTrailingSlash(name);
// Does this folder already exist?
if (!this.files[name]) {
fileAdd.call(this, name, null, {
dir: true,
createFolders: createFolders
});
}
return this.files[name];
};
/**
* Cross-window, cross-Node-context regular expression detection
* @param {Object} object Anything
* @return {Boolean} true if the object is a regular expression,
* false otherwise
*/
function isRegExp(object) {
return Object.prototype.toString.call(object) === "[object RegExp]";
}
// return the actual prototype of JSZip
var out = {
/**
* @see loadAsync
*/
load: function() {
throw new Error("This method has been removed in JSZip 3.0, please check the upgrade guide.");
},
/**
* Call a callback function for each entry at this folder level.
* @param {Function} cb the callback function:
* function (relativePath, file) {...}
* It takes 2 arguments : the relative path and the file.
*/
forEach: function(cb) {
var filename, relativePath, file;
for (filename in this.files) {
if (!this.files.hasOwnProperty(filename)) {
continue;
}
file = this.files[filename];
relativePath = filename.slice(this.root.length, filename.length);
if (relativePath && filename.slice(0, this.root.length) === this.root) { // the file is in the current root
cb(relativePath, file); // TODO reverse the parameters ? need to be clean AND consistent with the filter search fn...
}
}
},
/**
* 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 = [];
this.forEach(function (relativePath, entry) {
if (search(relativePath, entry)) { // the file matches the function
result.push(entry);
}
});
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 (isRegExp(name)) {
var regexp = name;
return this.filter(function(relativePath, file) {
return !file.dir && regexp.test(relativePath);
});
}
else { // text
var obj = this.files[this.root + name];
if (obj && !obj.dir) {
return obj;
} else {
return 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 (isRegExp(arg)) {
return this.filter(function(relativePath, file) {
return file.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 && !file.dir) {
// file
delete this.files[name];
} else {
// maybe a folder, delete recursively
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 :
* - 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) {
throw new Error("This method has been removed in JSZip 3.0, please check the upgrade guide.");
},
/**
* Generate the complete zip file as an internal stream.
* @param {Object} options the options to generate the zip file :
* - compression, "STORE" by default.
* - type, "base64" by default. Values are : string, base64, uint8array, arraybuffer, blob.
* @return {StreamHelper} the streamed zip file.
*/
generateInternalStream: function(options) {
var worker, opts = {};
try {
opts = utils.extend(options || {}, {
streamFiles: false,
compression: "STORE",
compressionOptions : null,
type: "",
platform: "DOS",
comment: null,
mimeType: 'application/zip',
encodeFileName: utf8.utf8encode
});
opts.type = opts.type.toLowerCase();
opts.compression = opts.compression.toUpperCase();
// "binarystring" is prefered but the internals use "string".
if(opts.type === "binarystring") {
opts.type = "string";
}
if (!opts.type) {
throw new Error("No output type specified.");
}
utils.checkSupport(opts.type);
// accept nodejs `process.platform`
if(
options.platform === 'darwin' ||
options.platform === 'freebsd' ||
options.platform === 'linux' ||
options.platform === 'sunos'
) {
options.platform = "UNIX";
}
if (options.platform === 'win32') {
options.platform = "DOS";
}
var comment = opts.comment || this.comment || "";
worker = generate.generateWorker(this, opts, comment);
} catch (e) {
worker = new GenericWorker("error");
worker.error(e);
}
return new StreamHelper(worker, opts.type || "string", opts.mimeType);
},
/**
* Generate the complete zip file asynchronously.
* @see generateInternalStream
*/
generateAsync: function(options, onUpdate) {
return this.generateInternalStream(options).accumulate(onUpdate);
},
/**
* Generate the complete zip file asynchronously.
* @see generateInternalStream
*/
generateNodeStream: function(options, onUpdate) {
options = options || {};
if (!options.type) {
options.type = "nodebuffer";
}
return this.generateInternalStream(options).toNodejsStream(onUpdate);
}
};
module.exports = out;
},{"./compressedObject":2,"./defaults":5,"./generate":9,"./nodejs/NodejsStreamInputAdapter":35,"./nodejsUtils":12,"./stream/GenericWorker":25,"./stream/StreamHelper":26,"./utf8":28,"./utils":29,"./zipObject":32}],14:[function(require,module,exports){
'use strict';
var DataReader = require('./DataReader');
var utils = require('../utils');
function ArrayReader(data) {
DataReader.call(this, data);
for(var i = 0; i < this.data.length; i++) {
data[i] = data[i] & 0xFF;
}
}
utils.inherits(ArrayReader, DataReader);
/**
* @see DataReader.byteAt
*/
ArrayReader.prototype.byteAt = function(i) {