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annotate base64.js @ 93:817aa2851339 default tip

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Added a very simple index.html.
author Atul Varma <varmaa@toolness.com>
date Fri, 23 May 2008 03:50:44 -0700
parents 5c35e18a9d1a
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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27
174a19e03273 z5 js files are now encoded using base64, which makes them much smaller.
Atul Varma <varmaa@toolness.com>
parents:
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1 /* Taken from:
174a19e03273 z5 js files are now encoded using base64, which makes them much smaller.
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2 *
174a19e03273 z5 js files are now encoded using base64, which makes them much smaller.
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3 * http://ecmanaut.blogspot.com/2007/11/javascript-base64-singleton.html
174a19e03273 z5 js files are now encoded using base64, which makes them much smaller.
Atul Varma <varmaa@toolness.com>
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4 *
174a19e03273 z5 js files are now encoded using base64, which makes them much smaller.
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5 * With minor modifications to decode a b64 string to a byte array instead
174a19e03273 z5 js files are now encoded using base64, which makes them much smaller.
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6 * of a string. */
174a19e03273 z5 js files are now encoded using base64, which makes them much smaller.
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7
174a19e03273 z5 js files are now encoded using base64, which makes them much smaller.
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8 var base64_tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
174a19e03273 z5 js files are now encoded using base64, which makes them much smaller.
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9
73
5c35e18a9d1a Added a modified version of beret.js from gnusto (originally at src/xpcom/beret/beret.js in the gnusto source tree), because this file contains code to load quetzal save files (gnusto-engine.js contains code to save quetzal files).
Atul Varma <varmaa@toolness.com>
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10 function encode_base64(data) {
5c35e18a9d1a Added a modified version of beret.js from gnusto (originally at src/xpcom/beret/beret.js in the gnusto source tree), because this file contains code to load quetzal save files (gnusto-engine.js contains code to save quetzal files).
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parents: 27
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11 var out = "", c1, c2, c3, e1, e2, e3, e4;
5c35e18a9d1a Added a modified version of beret.js from gnusto (originally at src/xpcom/beret/beret.js in the gnusto source tree), because this file contains code to load quetzal save files (gnusto-engine.js contains code to save quetzal files).
Atul Varma <varmaa@toolness.com>
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12 for (var i = 0; i < data.length; ) {
5c35e18a9d1a Added a modified version of beret.js from gnusto (originally at src/xpcom/beret/beret.js in the gnusto source tree), because this file contains code to load quetzal save files (gnusto-engine.js contains code to save quetzal files).
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13 c1 = data[i++];
5c35e18a9d1a Added a modified version of beret.js from gnusto (originally at src/xpcom/beret/beret.js in the gnusto source tree), because this file contains code to load quetzal save files (gnusto-engine.js contains code to save quetzal files).
Atul Varma <varmaa@toolness.com>
parents: 27
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14 c2 = data[i++];
5c35e18a9d1a Added a modified version of beret.js from gnusto (originally at src/xpcom/beret/beret.js in the gnusto source tree), because this file contains code to load quetzal save files (gnusto-engine.js contains code to save quetzal files).
Atul Varma <varmaa@toolness.com>
parents: 27
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15 c3 = data[i++];
5c35e18a9d1a Added a modified version of beret.js from gnusto (originally at src/xpcom/beret/beret.js in the gnusto source tree), because this file contains code to load quetzal save files (gnusto-engine.js contains code to save quetzal files).
Atul Varma <varmaa@toolness.com>
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16 e1 = c1 >> 2;
5c35e18a9d1a Added a modified version of beret.js from gnusto (originally at src/xpcom/beret/beret.js in the gnusto source tree), because this file contains code to load quetzal save files (gnusto-engine.js contains code to save quetzal files).
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17 e2 = ((c1 & 3) << 4) + (c2 >> 4);
5c35e18a9d1a Added a modified version of beret.js from gnusto (originally at src/xpcom/beret/beret.js in the gnusto source tree), because this file contains code to load quetzal save files (gnusto-engine.js contains code to save quetzal files).
Atul Varma <varmaa@toolness.com>
parents: 27
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18 e3 = ((c2 & 15) << 2) + (c3 >> 6);
5c35e18a9d1a Added a modified version of beret.js from gnusto (originally at src/xpcom/beret/beret.js in the gnusto source tree), because this file contains code to load quetzal save files (gnusto-engine.js contains code to save quetzal files).
Atul Varma <varmaa@toolness.com>
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19 e4 = c3 & 63;
5c35e18a9d1a Added a modified version of beret.js from gnusto (originally at src/xpcom/beret/beret.js in the gnusto source tree), because this file contains code to load quetzal save files (gnusto-engine.js contains code to save quetzal files).
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20 if (isNaN(c2))
5c35e18a9d1a Added a modified version of beret.js from gnusto (originally at src/xpcom/beret/beret.js in the gnusto source tree), because this file contains code to load quetzal save files (gnusto-engine.js contains code to save quetzal files).
Atul Varma <varmaa@toolness.com>
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21 e3 = e4 = 64;
5c35e18a9d1a Added a modified version of beret.js from gnusto (originally at src/xpcom/beret/beret.js in the gnusto source tree), because this file contains code to load quetzal save files (gnusto-engine.js contains code to save quetzal files).
Atul Varma <varmaa@toolness.com>
parents: 27
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22 else if (isNaN(c3))
5c35e18a9d1a Added a modified version of beret.js from gnusto (originally at src/xpcom/beret/beret.js in the gnusto source tree), because this file contains code to load quetzal save files (gnusto-engine.js contains code to save quetzal files).
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23 e4 = 64;
5c35e18a9d1a Added a modified version of beret.js from gnusto (originally at src/xpcom/beret/beret.js in the gnusto source tree), because this file contains code to load quetzal save files (gnusto-engine.js contains code to save quetzal files).
Atul Varma <varmaa@toolness.com>
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24 out += (base64_tab.charAt(e1) +
5c35e18a9d1a Added a modified version of beret.js from gnusto (originally at src/xpcom/beret/beret.js in the gnusto source tree), because this file contains code to load quetzal save files (gnusto-engine.js contains code to save quetzal files).
Atul Varma <varmaa@toolness.com>
parents: 27
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25 base64_tab.charAt(e2) +
5c35e18a9d1a Added a modified version of beret.js from gnusto (originally at src/xpcom/beret/beret.js in the gnusto source tree), because this file contains code to load quetzal save files (gnusto-engine.js contains code to save quetzal files).
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parents: 27
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26 base64_tab.charAt(e3) +
5c35e18a9d1a Added a modified version of beret.js from gnusto (originally at src/xpcom/beret/beret.js in the gnusto source tree), because this file contains code to load quetzal save files (gnusto-engine.js contains code to save quetzal files).
Atul Varma <varmaa@toolness.com>
parents: 27
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27 base64_tab.charAt(e4));
5c35e18a9d1a Added a modified version of beret.js from gnusto (originally at src/xpcom/beret/beret.js in the gnusto source tree), because this file contains code to load quetzal save files (gnusto-engine.js contains code to save quetzal files).
Atul Varma <varmaa@toolness.com>
parents: 27
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28 }
5c35e18a9d1a Added a modified version of beret.js from gnusto (originally at src/xpcom/beret/beret.js in the gnusto source tree), because this file contains code to load quetzal save files (gnusto-engine.js contains code to save quetzal files).
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29 return out;
5c35e18a9d1a Added a modified version of beret.js from gnusto (originally at src/xpcom/beret/beret.js in the gnusto source tree), because this file contains code to load quetzal save files (gnusto-engine.js contains code to save quetzal files).
Atul Varma <varmaa@toolness.com>
parents: 27
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30 }
5c35e18a9d1a Added a modified version of beret.js from gnusto (originally at src/xpcom/beret/beret.js in the gnusto source tree), because this file contains code to load quetzal save files (gnusto-engine.js contains code to save quetzal files).
Atul Varma <varmaa@toolness.com>
parents: 27
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31
27
174a19e03273 z5 js files are now encoded using base64, which makes them much smaller.
Atul Varma <varmaa@toolness.com>
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32 function decode_base64(data) {
174a19e03273 z5 js files are now encoded using base64, which makes them much smaller.
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33 var out = [], c1, c2, c3, e1, e2, e3, e4;
174a19e03273 z5 js files are now encoded using base64, which makes them much smaller.
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34 for (var i = 0; i < data.length; ) {
174a19e03273 z5 js files are now encoded using base64, which makes them much smaller.
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35 e1 = base64_tab.indexOf(data.charAt(i++));
174a19e03273 z5 js files are now encoded using base64, which makes them much smaller.
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36 e2 = base64_tab.indexOf(data.charAt(i++));
174a19e03273 z5 js files are now encoded using base64, which makes them much smaller.
Atul Varma <varmaa@toolness.com>
parents:
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37 e3 = base64_tab.indexOf(data.charAt(i++));
174a19e03273 z5 js files are now encoded using base64, which makes them much smaller.
Atul Varma <varmaa@toolness.com>
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38 e4 = base64_tab.indexOf(data.charAt(i++));
174a19e03273 z5 js files are now encoded using base64, which makes them much smaller.
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39 c1 = (e1 << 2) + (e2 >> 4);
174a19e03273 z5 js files are now encoded using base64, which makes them much smaller.
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40 c2 = ((e2 & 15) << 4) + (e3 >> 2);
174a19e03273 z5 js files are now encoded using base64, which makes them much smaller.
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41 c3 = ((e3 & 3) << 6) + e4;
174a19e03273 z5 js files are now encoded using base64, which makes them much smaller.
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42 out.push(c1);
174a19e03273 z5 js files are now encoded using base64, which makes them much smaller.
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43 if (e3 != 64)
174a19e03273 z5 js files are now encoded using base64, which makes them much smaller.
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44 out.push(c2);
174a19e03273 z5 js files are now encoded using base64, which makes them much smaller.
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parents:
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45 if (e4 != 64)
174a19e03273 z5 js files are now encoded using base64, which makes them much smaller.
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46 out.push(c3);
174a19e03273 z5 js files are now encoded using base64, which makes them much smaller.
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47 }
174a19e03273 z5 js files are now encoded using base64, which makes them much smaller.
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48 return out;
174a19e03273 z5 js files are now encoded using base64, which makes them much smaller.
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49 }