Added Array Converters

From Array to Uint32Array and back!
EnoF · May 7, 2014 · 63e8265 · 63e8265
1 parent e8b3e14
commit 63e8265
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Showing 13 changed files with 254 additions and 78 deletions.
diff --git a/.jshintrc b/.jshintrc
@@ -2,7 +2,7 @@
     "node": true,
     "browser": true,
     "esnext": true,
-    "bitwise": true,
+    "bitwise": false,
     "camelcase": true,
     "curly": true,
     "eqeqeq": true,

diff --git a/Gruntfile.js b/Gruntfile.js
@@ -1,8 +1,10 @@
-/*
- * Copyright (c) 2014.
- *
- * @Author Andy Tang
- */
+// EnoFJS
+// Version: 1.2.1
+//
+// Copyright (c) 2014.
+//
+// Author Andy Tang
+// Fork me on Github: https://github.com/EnoF/EnoFJS
 'use strict';
 
 module.exports = function (grunt) {
@@ -57,6 +59,21 @@ module.exports = function (grunt) {
                     ]
                 }
             }
+        },
+        version: {
+            options: {
+                prefix: 'Version: |\"version\": \"'
+            },
+            defaults: {
+                src: [
+                    '*.js',
+                    'bower.json',
+                    'src/{,*/}*.js',
+                    'test/{,*/}*.js',
+                    '!**/lib/**',
+                    '!**/bower_components/**'
+                ]
+            }
         }
     });
 

diff --git a/bower.json b/bower.json
@@ -1,6 +1,6 @@
 {
     "name": "enofjs",
-    "version": "1.2.0",
+    "version": "1.2.1",
     "main": "src/enofjs",
     "devDependencies": {
         "jasmine": "^2.0"

diff --git a/package.json b/package.json
@@ -1,38 +1,39 @@
 {
-    "name": "enofjs",
-    "description": "Enhancing javascript",
-    "version": "1.2.0",
-    "dependencies": {},
-    "devDependencies": {
-        "grunt": "^0.4",
-        "load-grunt-tasks": "^0.1",
-        "grunt-contrib-jshint": "^0.6",
-        "grunt-contrib-watch": "^0.5",
-        "grunt-contrib-uglify": "^0.2",
-        "time-grunt": "^0.1",
-        "grunt-karma": "^0.6",
-        "karma-script-launcher": "^0.1",
-        "karma-chrome-launcher": "^0.1",
-        "karma-firefox-launcher": "^0.1",
-        "karma-html2js-preprocessor": "^0.1",
-        "karma-requirejs": "^0",
-        "karma-jasmine": "^0.1",
-        "karma-coffee-preprocessor": "^0.1",
-        "karma-phantomjs-launcher": "^0.1",
-        "karma": "^0.10",
-        "karma-ng-html2js-preprocessor": "^0.1",
-        "karma-coverage": "^0.1.0",
-        "grunt-groc": "^0.4",
-        "grunt-shell": "^0.7"
-    },
-    "engines": {
-        "node": ">=0.10"
-    },
-    "scripts": {
-        "test": "grunt test"
-    },
-    "repository": {
-        "type": "git",
-        "url": "git@github.com:EnoF/EnoFJS.git"
-    }
+  "name": "enofjs",
+  "description": "Enhancing javascript",
+  "version": "1.2.1",
+  "dependencies": {},
+  "devDependencies": {
+    "grunt": "^0.4",
+    "load-grunt-tasks": "^0.1",
+    "grunt-contrib-jshint": "^0.6",
+    "grunt-contrib-watch": "^0.5",
+    "grunt-contrib-uglify": "^0.2",
+    "time-grunt": "^0.1",
+    "grunt-karma": "^0.6",
+    "karma-script-launcher": "^0.1",
+    "karma-chrome-launcher": "^0.1",
+    "karma-firefox-launcher": "^0.1",
+    "karma-html2js-preprocessor": "^0.1",
+    "karma-requirejs": "^0",
+    "karma-jasmine": "^0.1",
+    "karma-coffee-preprocessor": "^0.1",
+    "karma-phantomjs-launcher": "^0.1",
+    "karma": "^0.10",
+    "karma-ng-html2js-preprocessor": "^0.1",
+    "karma-coverage": "^0.1.0",
+    "grunt-groc": "^0.4",
+    "grunt-shell": "^0.7",
+    "grunt-version": "~0.3.0"
+  },
+  "engines": {
+    "node": ">=0.10"
+  },
+  "scripts": {
+    "test": "grunt test"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git@github.com:EnoF/EnoFJS.git"
+  }
 }
diff --git a/src/ArrayConverters.js b/src/ArrayConverters.js
@@ -0,0 +1,38 @@
+// EnoFJS 
+// Version: 1.2.1
+//
+// Copyright (c) 2014. 
+//
+// Author Andy Tang
+// Fork me on Github: https://github.com/EnoF/EnoFJS
+(function ArrayConvertersScope(Array, Uint8Array, Uint32Array) {
+    'use strict';
+
+    // The Array buffer will expect the combined 4 bytes in reversed order.
+    function toUint32Array() {
+        // jshint validthis:true
+        var self = this;
+        var uint32Array = new Uint32Array(self.length / 4);
+        for (var i = 0; i < self.length; i = i + 4) {
+            uint32Array[i / 4] = (self[i + 3] << 24 |
+                self[i + 2] << 16 |
+                self[i + 1] << 8 |
+                self[i]) >>> 0;
+        }
+        return uint32Array;
+    }
+
+    // This should actually work with other Typed arrays aswell, but I haven't tested this yet!
+    function readUint32ArrayIn(uInt32) {
+        // jshint validthis:true
+        var self = this;
+        var uInt8 = new Uint8Array(uInt32.buffer);
+        for (var i = 0; i < uInt8.length; i = i + 1) {
+            self[i] = uInt8[i];
+        }
+    }
+
+    Array.prototype.toUint32Array = toUint32Array;
+    Array.prototype.readUint32ArrayIn = readUint32ArrayIn;
+
+}(window.Array, window.Uint8Array, window.Uint32Array));
diff --git a/src/ClassFactory.js b/src/ClassFactory.js
@@ -1,9 +1,10 @@
-//      EnoFJS v1.1.4
-
-//      Copyright (c) 2014.
+// EnoFJS
+// Version: 1.2.1
+//
+// Copyright (c) 2014.
 //
-//      Author Andy Tang
-//      Fork me on Github: https://github.com/EnoF/EnoFJS
+// Author Andy Tang
+// Fork me on Github: https://github.com/EnoF/EnoFJS
 (function ClassScope(window, undefined) {
     'use strict';
 

diff --git a/src/LinkedHashMap.js b/src/LinkedHashMap.js
@@ -1,9 +1,10 @@
-//      EnoFJS v1.1.3
-
-//      Copyright (c) 2014.
+// EnoFJS
+// Version: 1.2.1
+//
+// Copyright (c) 2014.
 //
-//      Author Andy Tang
-//      Fork me on Github: https://github.com/EnoF/EnoFJS
+// Author Andy Tang
+// Fork me on Github: https://github.com/EnoF/EnoFJS
 (function LinkedHashMapScope(window, clazz, undefined) {
     'use strict';
 

diff --git a/src/whereIt.js b/src/whereIt.js
@@ -1,9 +1,10 @@
-//      EnoFJS v1.1.3
-
-//      Copyright (c) 2014.
+// EnoFJS
+// Version: 1.2.1
+//
+// Copyright (c) 2014.
 //
-//      Author Andy Tang
-//      Fork me on Github: https://github.com/EnoF/EnoFJS
+// Author Andy Tang
+// Fork me on Github: https://github.com/EnoF/EnoFJS
 (function whereIt(it, LinkedHashMap) {
     'use strict';
 

diff --git a/test/karma.conf.js b/test/karma.conf.js
@@ -1,8 +1,10 @@
-/*
- * Copyright (c) 2014. 
- *
- * @Author Andy Tang
- */
+// EnoFJS
+// Version: 1.2.1
+//
+// Copyright (c) 2014.
+//
+// Author Andy Tang
+// Fork me on Github: https://github.com/EnoF/EnoFJS
 'use strict';
 module.exports = function (config) {
     config.set({

diff --git a/test/spec/ArrayConvertersSpec.js b/test/spec/ArrayConvertersSpec.js
@@ -0,0 +1,109 @@
+// EnoFJS 
+// Version: 1.2.1
+//
+// Copyright (c) 2014. 
+//
+// Author Andy Tang
+// Fork me on Github: https://github.com/EnoF/EnoFJS
+(function ArrayConvertersSpecScope() {
+    'use strict';
+
+    describe('Converting', function ArrayConvertersSpec() {
+
+        describe('Normal arrays initialized as []', function NormalArrays() {
+            var array;
+            var convertedArray;
+
+            beforeEach(function prepareArray() {
+                array = [];
+
+                array[0] = 0;
+                array[1] = 0;
+                array[2] = 0;
+                array[3] = 255;
+
+                array[4] = 0;
+                array[5] = 0;
+                array[6] = 59;
+                array[7] = 0;
+
+                array[8] = 0;
+                array[9] = 35;
+                array[10] = 0;
+                array[11] = 0;
+
+                array[12] = 69;
+                array[13] = 0;
+                array[14] = 0;
+                array[15] = 0;
+
+                array[16] = 69;
+                array[17] = 35;
+                array[18] = 59;
+                array[19] = 255;
+
+                convertedArray = array.toUint32Array();
+            });
+
+            it('should place the fourth value at the first value', function convert() {
+                expect(convertedArray[0]).toEqual(4278190080);
+            });
+
+            it('should place the third value at the second value', function convert() {
+                expect(convertedArray[1]).toEqual(3866624);
+            });
+
+            it('should place the second value at the third value', function convert() {
+                expect(convertedArray[2]).toEqual(8960);
+            });
+
+            it('should place the first value at the fourth value', function convert() {
+                expect(convertedArray[3]).toEqual(69);
+            });
+
+            it('should convert a complete byte accordingly', function complete() {
+                expect(convertedArray[4]).toEqual(4282065733);
+            });
+        });
+
+        describe('Read from Uint32Array', function Uint32ArraysToArray() {
+            var array;
+            var uIntArray;
+
+            beforeEach(function prepareUint32Array() {
+                array = [];
+                uIntArray = new Uint32Array(5);
+                uIntArray[0] = 4278190080;
+                uIntArray[1] = 3866624;
+                uIntArray[2] = 8960;
+                uIntArray[3] = 69;
+                uIntArray[4] = 4282065733;
+                array.readUint32ArrayIn(uIntArray);
+            });
+
+            it('should retrieve the alpha back', function alpha() {
+                expect(array[3]).toEqual(255);
+            });
+
+            it('should retrieve the blue value back', function blue() {
+                expect(array[6]).toEqual(59);
+            });
+
+            it('should retrieve the green value back', function green() {
+                expect(array[9]).toEqual(35);
+            });
+
+            it('should retrieve the red value back', function red() {
+                expect(array[12]).toEqual(69);
+            });
+
+            it('should retrieve all values back', function all() {
+                expect(array[16]).toEqual(69);
+                expect(array[17]).toEqual(35);
+                expect(array[18]).toEqual(59);
+                expect(array[19]).toEqual(255);
+            });
+        });
+    });
+
+}());
diff --git a/test/spec/ClassFactorySpec.js b/test/spec/ClassFactorySpec.js
@@ -1,8 +1,10 @@
-/*
- * Copyright (c) 2014. 
- *
- * @Author Andy Tang
- */
+// EnoFJS
+// Version: 1.2.1
+//
+// Copyright (c) 2014.
+//
+// Author Andy Tang
+// Fork me on Github: https://github.com/EnoF/EnoFJS
 (function (undefined) {
     'use strict';
 

diff --git a/test/spec/LinkedHashMapSpec.js b/test/spec/LinkedHashMapSpec.js
@@ -1,8 +1,10 @@
-/*
- * Copyright (c) 2014.
- *
- * @Author Andy Tang
- */
+// EnoFJS
+// Version: 1.2.1
+//
+// Copyright (c) 2014.
+//
+// Author Andy Tang
+// Fork me on Github: https://github.com/EnoF/EnoFJS
 (function LinkedHashMapSpecScope(undefined) {
     'use strict';
 

diff --git a/test/spec/whereItSpec.js b/test/spec/whereItSpec.js
@@ -1,8 +1,10 @@
-/*
- * Copyright (c) 2014.
- *
- * @Author Andy Tang
- */
+// EnoFJS
+// Version: 1.2.1
+//
+// Copyright (c) 2014.
+//
+// Author Andy Tang
+// Fork me on Github: https://github.com/EnoF/EnoFJS
 (function whereItSpec() {
     'use strict';