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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 | |
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17 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
18 PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | |
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26 --> | |
27 | |
28 <title>SunSpider string-base64</title> | |
29 <link rel="stylesheet" href="sunspider.css"> | |
30 </head> | |
31 | |
32 <body> | |
33 <h3>string-base64</h3> | |
34 <div id="console"> | |
35 </div> | |
36 <script src="sunspider-record-result.js"></script> | |
37 <script> | |
38 | |
39 var _sunSpiderStartDate = new Date(); | |
40 | |
41 /* ***** BEGIN LICENSE BLOCK ***** | |
42 * Version: MPL 1.1/GPL 2.0/LGPL 2.1 | |
43 * | |
44 * The contents of this file are subject to the Mozilla Public License Version | |
45 * 1.1 (the "License"); you may not use this file except in compliance with | |
46 * the License. You may obtain a copy of the License at | |
47 * http://www.mozilla.org/MPL/ | |
48 * | |
49 * Software distributed under the License is distributed on an "AS IS" basis, | |
50 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License | |
51 * for the specific language governing rights and limitations under the | |
52 * License. | |
53 * | |
54 * The Original Code is Mozilla XML-RPC Client component. | |
55 * | |
56 * The Initial Developer of the Original Code is | |
57 * Digital Creations 2, Inc. | |
58 * Portions created by the Initial Developer are Copyright (C) 2000 | |
59 * the Initial Developer. All Rights Reserved. | |
60 * | |
61 * Contributor(s): | |
62 * Martijn Pieters <mj@digicool.com> (original author) | |
63 * Samuel Sieb <samuel@sieb.net> | |
64 * | |
65 * Alternatively, the contents of this file may be used under the terms of | |
66 * either the GNU General Public License Version 2 or later (the "GPL"), or | |
67 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), | |
68 * in which case the provisions of the GPL or the LGPL are applicable instead | |
69 * of those above. If you wish to allow use of your version of this file only | |
70 * under the terms of either the GPL or the LGPL, and not to allow others to | |
71 * use your version of this file under the terms of the MPL, indicate your | |
72 * decision by deleting the provisions above and replace them with the notice | |
73 * and other provisions required by the GPL or the LGPL. If you do not delete | |
74 * the provisions above, a recipient may use your version of this file under | |
75 * the terms of any one of the MPL, the GPL or the LGPL. | |
76 * | |
77 * ***** END LICENSE BLOCK ***** */ | |
78 | |
79 // From: http://lxr.mozilla.org/mozilla/source/extensions/xml-rpc/src/nsXmlRpcCl
ient.js#956 | |
80 | |
81 /* Convert data (an array of integers) to a Base64 string. */ | |
82 var toBase64Table = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456
789+/'; | |
83 var base64Pad = '='; | |
84 | |
85 function toBase64(data) { | |
86 var result = ''; | |
87 var length = data.length; | |
88 var i; | |
89 // Convert every three bytes to 4 ascii characters. | |
90 for (i = 0; i < (length - 2); i += 3) { | |
91 result += toBase64Table[data[i] >> 2]; | |
92 result += toBase64Table[((data[i] & 0x03) << 4) + (data[i+1] >> 4)]; | |
93 result += toBase64Table[((data[i+1] & 0x0f) << 2) + (data[i+2] >> 6)]; | |
94 result += toBase64Table[data[i+2] & 0x3f]; | |
95 } | |
96 | |
97 // Convert the remaining 1 or 2 bytes, pad out to 4 characters. | |
98 if (length%3) { | |
99 i = length - (length%3); | |
100 result += toBase64Table[data[i] >> 2]; | |
101 if ((length%3) == 2) { | |
102 result += toBase64Table[((data[i] & 0x03) << 4) + (data[i+1] >> 4)]; | |
103 result += toBase64Table[(data[i+1] & 0x0f) << 2]; | |
104 result += base64Pad; | |
105 } else { | |
106 result += toBase64Table[(data[i] & 0x03) << 4]; | |
107 result += base64Pad + base64Pad; | |
108 } | |
109 } | |
110 | |
111 return result; | |
112 } | |
113 | |
114 /* Convert Base64 data to a string */ | |
115 var toBinaryTable = [ | |
116 -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, | |
117 -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, | |
118 -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,62, -1,-1,-1,63, | |
119 52,53,54,55, 56,57,58,59, 60,61,-1,-1, -1, 0,-1,-1, | |
120 -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10, 11,12,13,14, | |
121 15,16,17,18, 19,20,21,22, 23,24,25,-1, -1,-1,-1,-1, | |
122 -1,26,27,28, 29,30,31,32, 33,34,35,36, 37,38,39,40, | |
123 41,42,43,44, 45,46,47,48, 49,50,51,-1, -1,-1,-1,-1 | |
124 ]; | |
125 | |
126 function base64ToString(data) { | |
127 var result = ''; | |
128 var leftbits = 0; // number of bits decoded, but yet to be appended | |
129 var leftdata = 0; // bits decoded, but yet to be appended | |
130 | |
131 // Convert one by one. | |
132 for (var i = 0; i < data.length; i++) { | |
133 var c = toBinaryTable[data.charCodeAt(i) & 0x7f]; | |
134 var padding = (data[i] == base64Pad); | |
135 // Skip illegal characters and whitespace | |
136 if (c == -1) continue; | |
137 | |
138 // Collect data into leftdata, update bitcount | |
139 leftdata = (leftdata << 6) | c; | |
140 leftbits += 6; | |
141 | |
142 // If we have 8 or more bits, append 8 bits to the result | |
143 if (leftbits >= 8) { | |
144 leftbits -= 8; | |
145 // Append if not padding. | |
146 if (!padding) | |
147 result += String.fromCharCode((leftdata >> leftbits) & 0xff); | |
148 leftdata &= (1 << leftbits) - 1; | |
149 } | |
150 } | |
151 | |
152 // If there are any bits left, the base64 string was corrupted | |
153 if (leftbits) | |
154 throw Components.Exception('Corrupted base64 string'); | |
155 | |
156 return result; | |
157 } | |
158 | |
159 var str = ""; | |
160 | |
161 for ( var i = 0; i < 8192; i++ ) | |
162 str += String.fromCharCode( (25 * Math.random()) + 97 ); | |
163 | |
164 for ( var i = 8192; i <= 16384; i *= 2 ) { | |
165 | |
166 var base64; | |
167 | |
168 base64 = toBase64(str); | |
169 base64ToString(base64); | |
170 | |
171 // Double the string | |
172 str += str; | |
173 } | |
174 | |
175 toBinaryTable = null; | |
176 | |
177 | |
178 var _sunSpiderInterval = new Date() - _sunSpiderStartDate; | |
179 | |
180 record(_sunSpiderInterval); | |
181 </script> | |
182 | |
183 | |
184 </body> | |
185 </html> | |
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