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Added base64.js for browsers which don't support atob()
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‎test/base64.js

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/*
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Copyright (c) 2008 Fred Palmer fred.palmer_at_gmail.com
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Permission is hereby granted, free of charge, to any person
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obtaining a copy of this software and associated documentation
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files (the "Software"), to deal in the Software without
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restriction, including without limitation the rights to use,
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copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following
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conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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OTHER DEALINGS IN THE SOFTWARE.
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*/
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function StringBuffer()
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{
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this.buffer = [];
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}
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StringBuffer.prototype.append = function append(string)
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{
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this.buffer.push(string);
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return this;
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};
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StringBuffer.prototype.toString = function toString()
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{
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return this.buffer.join("");
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};
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var Base64 =
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{
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codex : "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",
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encode : function (input)
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{
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var output = new StringBuffer();
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var enumerator = new Utf8EncodeEnumerator(input);
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while (enumerator.moveNext())
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{
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var chr1 = enumerator.current;
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enumerator.moveNext();
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var chr2 = enumerator.current;
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enumerator.moveNext();
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var chr3 = enumerator.current;
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var enc1 = chr1 >> 2;
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var enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
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var enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
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var enc4 = chr3 & 63;
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if (isNaN(chr2))
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{
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enc3 = enc4 = 64;
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}
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else if (isNaN(chr3))
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{
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enc4 = 64;
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}
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output.append(this.codex.charAt(enc1) + this.codex.charAt(enc2) + this.codex.charAt(enc3) + this.codex.charAt(enc4));
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}
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return output.toString();
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},
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decode : function (input)
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{
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var output = new StringBuffer();
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var enumerator = new Base64DecodeEnumerator(input);
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while (enumerator.moveNext())
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{
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var charCode = enumerator.current;
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if (charCode < 128)
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output.append(String.fromCharCode(charCode));
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else if ((charCode > 191) && (charCode < 224))
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{
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enumerator.moveNext();
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var charCode2 = enumerator.current;
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output.append(String.fromCharCode(((charCode & 31) << 6) | (charCode2 & 63)));
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}
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else
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{
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enumerator.moveNext();
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var charCode2 = enumerator.current;
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enumerator.moveNext();
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var charCode3 = enumerator.current;
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output.append(String.fromCharCode(((charCode & 15) << 12) | ((charCode2 & 63) << 6) | (charCode3 & 63)));
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}
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}
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return output.toString();
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}
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}
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function Utf8EncodeEnumerator(input)
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{
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this._input = input;
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this._index = -1;
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this._buffer = [];
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}
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Utf8EncodeEnumerator.prototype =
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{
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current: Number.NaN,
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moveNext: function()
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{
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if (this._buffer.length > 0)
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{
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this.current = this._buffer.shift();
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return true;
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}
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else if (this._index >= (this._input.length - 1))
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{
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this.current = Number.NaN;
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return false;
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}
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else
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{
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var charCode = this._input.charCodeAt(++this._index);
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// "\r\n" -> "\n"
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//
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if ((charCode == 13) && (this._input.charCodeAt(this._index + 1) == 10))
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{
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charCode = 10;
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this._index += 2;
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}
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if (charCode < 128)
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{
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this.current = charCode;
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}
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else if ((charCode > 127) && (charCode < 2048))
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{
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this.current = (charCode >> 6) | 192;
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this._buffer.push((charCode & 63) | 128);
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}
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else
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{
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this.current = (charCode >> 12) | 224;
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this._buffer.push(((charCode >> 6) & 63) | 128);
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this._buffer.push((charCode & 63) | 128);
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}
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return true;
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}
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}
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}
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function Base64DecodeEnumerator(input)
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{
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this._input = input;
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this._index = -1;
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this._buffer = [];
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}
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Base64DecodeEnumerator.prototype =
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{
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current: 64,
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moveNext: function()
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{
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if (this._buffer.length > 0)
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{
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this.current = this._buffer.shift();
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return true;
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}
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else if (this._index >= (this._input.length - 1))
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{
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this.current = 64;
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return false;
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}
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else
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{
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var enc1 = Base64.codex.indexOf(this._input.charAt(++this._index));
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var enc2 = Base64.codex.indexOf(this._input.charAt(++this._index));
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var enc3 = Base64.codex.indexOf(this._input.charAt(++this._index));
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var enc4 = Base64.codex.indexOf(this._input.charAt(++this._index));
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var chr1 = (enc1 << 2) | (enc2 >> 4);
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var chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
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var chr3 = ((enc3 & 3) << 6) | enc4;
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this.current = chr1;
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if (enc3 != 64)
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this._buffer.push(chr2);
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if (enc4 != 64)
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this._buffer.push(chr3);
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return true;
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}
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}
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};

‎test/benchmark.html

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@@ -16,11 +16,12 @@
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<script src="../source/rom.js" type="text/javascript" charset="utf-8"></script>
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<script src="../source/ui.js" type="text/javascript" charset="utf-8"></script>
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<script src="base64.js" type="text/javascript" charset="utf-8"></script>
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<script src="benchmark.js" type="text/javascript" charset="utf-8"></script>
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<script type="text/javascript" charset="utf-8">
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$(function() {
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var currentRepeat = -1;
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var repeatCount = 10;
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var repeatCount = 1;
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var frameCount = 100;
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var results = [];
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var i;

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