2009-01-13 04:34:19 -08:00
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<!DOCTYPE html>
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<head>
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Copyright (C) 2007 Apple Inc. All rights reserved.
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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-->
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<title>SunSpider string-base64</title>
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</head>
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<body>
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<h3>string-base64</h3>
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<div id="console">
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</div>
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<script>
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var _sunSpiderStartDate = new Date();
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2013-07-19 08:08:33 -07:00
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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2009-01-13 04:34:19 -08:00
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// From: http://lxr.mozilla.org/mozilla/source/extensions/xml-rpc/src/nsXmlRpcClient.js#956
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/* Convert data (an array of integers) to a Base64 string. */
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var toBase64Table = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
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var base64Pad = '=';
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function toBase64(data) {
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var result = '';
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var length = data.length;
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var i;
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// Convert every three bytes to 4 ascii characters.
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for (i = 0; i < (length - 2); i += 3) {
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result += toBase64Table[data[i] >> 2];
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result += toBase64Table[((data[i] & 0x03) << 4) + (data[i+1] >> 4)];
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result += toBase64Table[((data[i+1] & 0x0f) << 2) + (data[i+2] >> 6)];
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result += toBase64Table[data[i+2] & 0x3f];
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}
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// Convert the remaining 1 or 2 bytes, pad out to 4 characters.
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if (length%3) {
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i = length - (length%3);
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result += toBase64Table[data[i] >> 2];
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if ((length%3) == 2) {
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result += toBase64Table[((data[i] & 0x03) << 4) + (data[i+1] >> 4)];
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result += toBase64Table[(data[i+1] & 0x0f) << 2];
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result += base64Pad;
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} else {
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result += toBase64Table[(data[i] & 0x03) << 4];
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result += base64Pad + base64Pad;
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}
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}
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return result;
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}
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/* Convert Base64 data to a string */
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var toBinaryTable = [
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-1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1,
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-1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1,
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-1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,62, -1,-1,-1,63,
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52,53,54,55, 56,57,58,59, 60,61,-1,-1, -1, 0,-1,-1,
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-1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10, 11,12,13,14,
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15,16,17,18, 19,20,21,22, 23,24,25,-1, -1,-1,-1,-1,
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-1,26,27,28, 29,30,31,32, 33,34,35,36, 37,38,39,40,
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41,42,43,44, 45,46,47,48, 49,50,51,-1, -1,-1,-1,-1
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];
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function base64ToString(data) {
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var result = '';
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var leftbits = 0; // number of bits decoded, but yet to be appended
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var leftdata = 0; // bits decoded, but yet to be appended
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// Convert one by one.
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for (var i = 0; i < data.length; i++) {
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var c = toBinaryTable[data.charCodeAt(i) & 0x7f];
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var padding = (data[i] == base64Pad);
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// Skip illegal characters and whitespace
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if (c == -1) continue;
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// Collect data into leftdata, update bitcount
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leftdata = (leftdata << 6) | c;
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leftbits += 6;
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// If we have 8 or more bits, append 8 bits to the result
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if (leftbits >= 8) {
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leftbits -= 8;
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// Append if not padding.
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if (!padding)
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result += String.fromCharCode((leftdata >> leftbits) & 0xff);
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leftdata &= (1 << leftbits) - 1;
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}
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}
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// If there are any bits left, the base64 string was corrupted
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if (leftbits)
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throw Components.Exception('Corrupted base64 string');
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return result;
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}
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var str = "";
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for ( var i = 0; i < 8192; i++ )
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str += String.fromCharCode( (25 * Math.random()) + 97 );
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for ( var i = 8192; i <= 16384; i *= 2 ) {
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var base64;
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base64 = toBase64(str);
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base64ToString(base64);
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// Double the string
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str += str;
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}
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toBinaryTable = null;
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var _sunSpiderInterval = new Date() - _sunSpiderStartDate;
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document.getElementById("console").innerHTML = _sunSpiderInterval;
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</script>
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</body>
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</html>
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