The Tor Browser / file comparison
comparison: build/pgo/js-input/string-base64.html
build/pgo/js-input/string-base64.html
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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deleted
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| -1:000000000000 | 0:487eda057d36 |
|---|---|
| 1 <!DOCTYPE html> | |
| 2 <head> | |
| 3 <!-- | |
| 4 Copyright (C) 2007 Apple Inc. All rights reserved. | |
| 5 | |
| 6 Redistribution and use in source and binary forms, with or without | |
| 7 modification, are permitted provided that the following conditions | |
| 8 are met: | |
| 9 1. Redistributions of source code must retain the above copyright | |
| 10 notice, this list of conditions and the following disclaimer. | |
| 11 2. Redistributions in binary form must reproduce the above copyright | |
| 12 notice, this list of conditions and the following disclaimer in the | |
| 13 documentation and/or other materials provided with the distribution. | |
| 14 | |
| 15 THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY | |
| 16 EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 17 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 18 PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | |
| 19 CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 20 EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 21 PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 22 PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
| 23 OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 24 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 25 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 26 --> | |
| 27 | |
| 28 <title>SunSpider string-base64</title> | |
| 29 | |
| 30 </head> | |
| 31 | |
| 32 <body> | |
| 33 <h3>string-base64</h3> | |
| 34 <div id="console"> | |
| 35 </div> | |
| 36 | |
| 37 <script> | |
| 38 | |
| 39 var _sunSpiderStartDate = new Date(); | |
| 40 | |
| 41 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 42 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 43 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 44 | |
| 45 // From: http://lxr.mozilla.org/mozilla/source/extensions/xml-rpc/src/nsXmlRpcClient.js#956 | |
| 46 | |
| 47 /* Convert data (an array of integers) to a Base64 string. */ | |
| 48 var toBase64Table = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'; | |
| 49 var base64Pad = '='; | |
| 50 | |
| 51 function toBase64(data) { | |
| 52 var result = ''; | |
| 53 var length = data.length; | |
| 54 var i; | |
| 55 // Convert every three bytes to 4 ascii characters. | |
| 56 for (i = 0; i < (length - 2); i += 3) { | |
| 57 result += toBase64Table[data[i] >> 2]; | |
| 58 result += toBase64Table[((data[i] & 0x03) << 4) + (data[i+1] >> 4)]; | |
| 59 result += toBase64Table[((data[i+1] & 0x0f) << 2) + (data[i+2] >> 6)]; | |
| 60 result += toBase64Table[data[i+2] & 0x3f]; | |
| 61 } | |
| 62 | |
| 63 // Convert the remaining 1 or 2 bytes, pad out to 4 characters. | |
| 64 if (length%3) { | |
| 65 i = length - (length%3); | |
| 66 result += toBase64Table[data[i] >> 2]; | |
| 67 if ((length%3) == 2) { | |
| 68 result += toBase64Table[((data[i] & 0x03) << 4) + (data[i+1] >> 4)]; | |
| 69 result += toBase64Table[(data[i+1] & 0x0f) << 2]; | |
| 70 result += base64Pad; | |
| 71 } else { | |
| 72 result += toBase64Table[(data[i] & 0x03) << 4]; | |
| 73 result += base64Pad + base64Pad; | |
| 74 } | |
| 75 } | |
| 76 | |
| 77 return result; | |
| 78 } | |
| 79 | |
| 80 /* Convert Base64 data to a string */ | |
| 81 var toBinaryTable = [ | |
| 82 -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, | |
| 83 -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, | |
| 84 -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,62, -1,-1,-1,63, | |
| 85 52,53,54,55, 56,57,58,59, 60,61,-1,-1, -1, 0,-1,-1, | |
| 86 -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10, 11,12,13,14, | |
| 87 15,16,17,18, 19,20,21,22, 23,24,25,-1, -1,-1,-1,-1, | |
| 88 -1,26,27,28, 29,30,31,32, 33,34,35,36, 37,38,39,40, | |
| 89 41,42,43,44, 45,46,47,48, 49,50,51,-1, -1,-1,-1,-1 | |
| 90 ]; | |
| 91 | |
| 92 function base64ToString(data) { | |
| 93 var result = ''; | |
| 94 var leftbits = 0; // number of bits decoded, but yet to be appended | |
| 95 var leftdata = 0; // bits decoded, but yet to be appended | |
| 96 | |
| 97 // Convert one by one. | |
| 98 for (var i = 0; i < data.length; i++) { | |
| 99 var c = toBinaryTable[data.charCodeAt(i) & 0x7f]; | |
| 100 var padding = (data[i] == base64Pad); | |
| 101 // Skip illegal characters and whitespace | |
| 102 if (c == -1) continue; | |
| 103 | |
| 104 // Collect data into leftdata, update bitcount | |
| 105 leftdata = (leftdata << 6) | c; | |
| 106 leftbits += 6; | |
| 107 | |
| 108 // If we have 8 or more bits, append 8 bits to the result | |
| 109 if (leftbits >= 8) { | |
| 110 leftbits -= 8; | |
| 111 // Append if not padding. | |
| 112 if (!padding) | |
| 113 result += String.fromCharCode((leftdata >> leftbits) & 0xff); | |
| 114 leftdata &= (1 << leftbits) - 1; | |
| 115 } | |
| 116 } | |
| 117 | |
| 118 // If there are any bits left, the base64 string was corrupted | |
| 119 if (leftbits) | |
| 120 throw Components.Exception('Corrupted base64 string'); | |
| 121 | |
| 122 return result; | |
| 123 } | |
| 124 | |
| 125 var str = ""; | |
| 126 | |
| 127 for ( var i = 0; i < 8192; i++ ) | |
| 128 str += String.fromCharCode( (25 * Math.random()) + 97 ); | |
| 129 | |
| 130 for ( var i = 8192; i <= 16384; i *= 2 ) { | |
| 131 | |
| 132 var base64; | |
| 133 | |
| 134 base64 = toBase64(str); | |
| 135 base64ToString(base64); | |
| 136 | |
| 137 // Double the string | |
| 138 str += str; | |
| 139 } | |
| 140 | |
| 141 toBinaryTable = null; | |
| 142 | |
| 143 | |
| 144 var _sunSpiderInterval = new Date() - _sunSpiderStartDate; | |
| 145 | |
| 146 document.getElementById("console").innerHTML = _sunSpiderInterval; | |
| 147 </script> | |
| 148 | |
| 149 | |
| 150 </body> | |
| 151 </html> |
