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Added new loader for JPAK1
* I added a new Loader for JPAK1, this one have a lot of improvements from the older one. * Added Partial Load to JPAK Loader (Fixes #6)
1 parent 5cf8b2e commit 384e4e7

7 files changed

Lines changed: 1368 additions & 2 deletions

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‎Gruntfile.js‎

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@@ -29,7 +29,7 @@ module.exports = function(grunt) {
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concat: {
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dist: {
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src: ["jssrc/*.js" ],
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src: ["3rdparty/q/q.js", "jssrc/*.js" ],
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dest: "dist/jpak.js"
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}
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},

‎bower.json‎

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@@ -12,7 +12,7 @@
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"package"
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],
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"dependencies" : {
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"q": "1.0.1"
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},
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"license": "MIT",
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"ignore": [

‎jssrc/alpha.js‎

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@@ -32,6 +32,9 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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**/
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var JPAK = {
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Constants: {
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verbosity: 3 // 0 - Error, 1 - Warning, 2 - Info, 3 - Debug
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},
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Generics: {},
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Loader: {},
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Classes: {},
@@ -62,6 +65,20 @@ var JPAK = {
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};
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}
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/**
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* Clean all deletedValue from array
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*/
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Array.prototype.clean = function(deleteValue) {
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for (var i = 0; i < this.length; i++) {
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if (this[i] === deleteValue) {
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this.splice(i, 1);
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i--;
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}
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}
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return this;
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};
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/*
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* Extends the Uint8Array to be able to be converted to a string
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*/
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this.fromObject(JSON.parse(json));
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};
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JPAK.Constants.Base64_Encoding = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
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/**
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* Returns a Base64 String from an ArrayBuffer
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* Modified version from https://gist.github.com/jonleighton/958841
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*/
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JPAK.Tools.ArrayBufferToBase64 = function(arrayBuffer) {
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var base64 = '';
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var bytes = new Uint8Array(arrayBuffer);
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var byteLength = bytes.byteLength;
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var byteRemainder = byteLength % 3;
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var mainLength = byteLength - byteRemainder;
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var a, b, c, d;
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var chunk;
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// Main loop deals with bytes in chunks of 3
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for (var i = 0; i < mainLength; i = i + 3) {
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// Combine the three bytes into a single integer
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chunk = (bytes[i] << 16) | (bytes[i + 1] << 8) | bytes[i + 2];
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// Use bitmasks to extract 6-bit segments from the triplet
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a = (chunk & 16515072) >> 18; // 16515072 = (2^6 - 1) << 18
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b = (chunk & 258048) >> 12; // 258048 = (2^6 - 1) << 12
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c = (chunk & 4032) >> 6; // 4032 = (2^6 - 1) << 6
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d = chunk & 63; // 63 = 2^6 - 1
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// Convert the raw binary segments to the appropriate ASCII encoding
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base64 += JPAK.Constants.Base64_Encoding[a] + JPAK.Constants.Base64_Encoding[b] + JPAK.Constants.Base64_Encoding[c] + JPAK.Constants.Base64_Encoding[d];
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}
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// Deal with the remaining bytes and padding
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if (byteRemainder === 1) {
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chunk = bytes[mainLength];
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a = (chunk & 252) >> 2; // 252 = (2^6 - 1) << 2
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// Set the 4 least significant bits to zero
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b = (chunk & 3) << 4; // 3 = 2^2 - 1
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base64 += JPAK.Constants.Base64_Encoding[a] + JPAK.Constants.Base64_Encoding[b] + '==';
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} else if (byteRemainder === 2) {
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chunk = (bytes[mainLength] << 8) | bytes[mainLength + 1];
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a = (chunk & 64512) >> 10; // 64512 = (2^6 - 1) << 10
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b = (chunk & 1008) >> 4; // 1008 = (2^6 - 1) << 4
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// Set the 2 least significant bits to zero
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c = (chunk & 15) << 2; // 15 = 2^4 - 1
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base64 += JPAK.Constants.Base64_Encoding[a] + JPAK.Constants.Base64_Encoding[b] + JPAK.Constants.Base64_Encoding[c] + '=';
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}
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return base64;
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};
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JPAK.Tools.debug = function() {
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if (JPAK.Constants.verbosity >= 3) {
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[].splice.call(arguments, 0, 0, "(JPAK Debug)");
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if (console.debug)
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console.debug.apply(console, arguments);
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else
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console.log.apply(console, arguments);
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}
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};
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JPAK.Tools.error = function() {
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if (JPAK.Constants.verbosity >= 0) {
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[].splice.call(arguments, 0, 0, "(JPAK Error)");
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if (console.error)
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console.error.apply(console, arguments);
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else
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console.log.apply(console, arguments);
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}
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};
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JPAK.Tools.warning = function() {
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if (JPAK.Constants.verbosity >= 1) {
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[].splice.call(arguments, 0, 0, "(JPAK Warning)");
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console.log.apply(console, arguments);
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}
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};
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JPAK.Tools.info = function() {
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if (JPAK.Constants.verbosity >= 2) {
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[].splice.call(arguments, 0, 0, "(JPAK Info)");
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if (console.info)
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console.info.apply(console, arguments);
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else
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console.log.apply(console, arguments);
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}
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};
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JPAK.Tools.d = JPAK.Tools.debug;
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JPAK.Tools.e = JPAK.Tools.error;
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JPAK.Tools.w = JPAK.Tools.warning;
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JPAK.Tools.i = JPAK.Tools.info;
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JPAK.Tools.l = JPAK.Tools.info;
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JPAK.Tools.log = JPAK.Tools.info;
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JPAK.Constants.MAGIC_TYPE = {
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"JPAK1": 0,
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"JMS1": 1,
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"JDS1": 2
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};
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JPAK.Constants.REVERSE_MAGIC_TYPE = {
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0: "JPAK1",
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1: "JMS1",
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2: "JDS1"
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};
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})();

‎jssrc/data-loader.js‎

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@@ -0,0 +1,124 @@
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/**
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_ ____ _ _ __ ____ ___
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| | _ \ / \ | |/ / __ _|___ \ / _ \
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_ | | |_) / _ \ | ' / \ \ / / __) || | | |
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| |_| | __/ ___ \| . \ \ V / / __/ | |_| |
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\___/|_| /_/ \_\_|\_\ \_/ |_____(_)___/
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Multiuse Javascript Package
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https://github.com/TeskeVirtualSystem/jpak
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The MIT License (MIT)
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Copyright (c) 2013 Lucas Teske
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Permission is hereby granted, free of charge, to any person obtaining a copy of
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this software and associated documentation files (the "Software"), to deal in
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the Software without restriction, including without limitation the rights to
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use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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the Software, and to permit persons to whom the Software is furnished to do so,
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subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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**/
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(function() {
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var inNode = (typeof module !== 'undefined' && typeof module.exports !== 'undefined');
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if (!inNode) {
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var DataLoader = function(parameters) {
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var _this = this;
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this.xhr = new XMLHttpRequest();
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this.method = parameters.method || "GET";
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this.url = parameters.url;
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this.responseType = parameters.responseType || "arraybuffer";
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this.partial = parameters.partial || false;
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this.partialFrom = parameters.partialFrom || 0;
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this.partialTo = parameters.partialTo || 0;
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this.fetchSize = parameters.fetchSize || false;
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this.callbacks = {
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"load" : [],
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"error" : [],
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"progress": []
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};
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this.xhr.onprogress = function(e) {
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if (e.lengthComputable && _this.onprogress !== undefined) {
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var percentComplete = (( (e.loaded / e.total)*10000 ) >> 0)/100; // Rounded percent to two decimal
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_this._reportProgress({"loaded":e.loaded,"total":e.total,"percent": percentComplete});
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}
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};
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this.xhr.onload = function(e) {
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if (this.status >= 200 && this.status < 300) {
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if (_this.fetchSize)
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_this._reportLoad(parseInt(this.getResponseHeader("Content-Length")));
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else
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_this._reportLoad(this.response);
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} else
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_this._reportError({"text":"Error loading file! HTTP Status Code: "+this.status,"errorcode": this.status});
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};
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this.xhr.onreadystatechange = function(e) {
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if (this.readyState === 4 && (this.status < 200 || this.status >= 300)) {
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JPAK.Tools.e("Error loading url "+_this.url+" ("+this.status+"): "+this.statusText);
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_this._reportError({"text": this.statusText, "errorcode": this.status});
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}
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};
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};
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DataLoader.prototype._reportProgress = function(progress) {
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for (var cb in this.callbacks.progress)
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this.callbacks.progress[cb](progress);
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this.def.notify(progress);
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};
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DataLoader.prototype._reportError = function(error) {
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for (var cb in this.callbacks.error)
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this.callbacks.error[cb](error);
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this.def.reject(error);
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};
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DataLoader.prototype._reportLoad = function(data) {
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for (var cb in this.callbacks.load)
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this.callbacks.load[cb](data);
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this.def.resolve(data);
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};
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DataLoader.prototype.start = function() {
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if (this.fetchSize) {
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this.method = "HEAD";
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this.partial = false;
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}
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this.xhr.open(this.method, this.url, true);
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this.xhr.responseType = this.responseType;
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if (this.partial)
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this.xhr.setRequestHeader("Range", "bytes="+this.partialFrom+"-"+this.partialTo);
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this.def = Q.defer();
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this.xhr.send();
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return this.def.promise;
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};
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DataLoader.prototype.on = function(event, cb) {
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if (event in this.callbacks)
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this.callbacks[event].push(function(data) {
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cb(data);
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});
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};
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JPAK.Tools.DataLoader = DataLoader;
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}
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})();

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