зеркало из https://github.com/mozilla/gecko-dev.git
152 строки
4.9 KiB
HTML
152 строки
4.9 KiB
HTML
<!DOCTYPE html>
|
|
<head>
|
|
<!--
|
|
Copyright (C) 2007 Apple Inc. All rights reserved.
|
|
|
|
Redistribution and use in source and binary forms, with or without
|
|
modification, are permitted provided that the following conditions
|
|
are met:
|
|
1. Redistributions of source code must retain the above copyright
|
|
notice, this list of conditions and the following disclaimer.
|
|
2. Redistributions in binary form must reproduce the above copyright
|
|
notice, this list of conditions and the following disclaimer in the
|
|
documentation and/or other materials provided with the distribution.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
|
|
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
|
|
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
|
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
|
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
|
|
OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
-->
|
|
|
|
<title>SunSpider string-base64</title>
|
|
|
|
</head>
|
|
|
|
<body>
|
|
<h3>string-base64</h3>
|
|
<div id="console">
|
|
</div>
|
|
|
|
<script>
|
|
|
|
var _sunSpiderStartDate = new Date();
|
|
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
// From: http://lxr.mozilla.org/mozilla/source/extensions/xml-rpc/src/nsXmlRpcClient.js#956
|
|
|
|
/* Convert data (an array of integers) to a Base64 string. */
|
|
var toBase64Table = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
|
|
var base64Pad = '=';
|
|
|
|
function toBase64(data) {
|
|
var result = '';
|
|
var length = data.length;
|
|
var i;
|
|
// Convert every three bytes to 4 ascii characters.
|
|
for (i = 0; i < (length - 2); i += 3) {
|
|
result += toBase64Table[data[i] >> 2];
|
|
result += toBase64Table[((data[i] & 0x03) << 4) + (data[i+1] >> 4)];
|
|
result += toBase64Table[((data[i+1] & 0x0f) << 2) + (data[i+2] >> 6)];
|
|
result += toBase64Table[data[i+2] & 0x3f];
|
|
}
|
|
|
|
// Convert the remaining 1 or 2 bytes, pad out to 4 characters.
|
|
if (length%3) {
|
|
i = length - (length%3);
|
|
result += toBase64Table[data[i] >> 2];
|
|
if ((length%3) == 2) {
|
|
result += toBase64Table[((data[i] & 0x03) << 4) + (data[i+1] >> 4)];
|
|
result += toBase64Table[(data[i+1] & 0x0f) << 2];
|
|
result += base64Pad;
|
|
} else {
|
|
result += toBase64Table[(data[i] & 0x03) << 4];
|
|
result += base64Pad + base64Pad;
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
/* Convert Base64 data to a string */
|
|
var toBinaryTable = [
|
|
-1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1,
|
|
-1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1,
|
|
-1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,62, -1,-1,-1,63,
|
|
52,53,54,55, 56,57,58,59, 60,61,-1,-1, -1, 0,-1,-1,
|
|
-1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10, 11,12,13,14,
|
|
15,16,17,18, 19,20,21,22, 23,24,25,-1, -1,-1,-1,-1,
|
|
-1,26,27,28, 29,30,31,32, 33,34,35,36, 37,38,39,40,
|
|
41,42,43,44, 45,46,47,48, 49,50,51,-1, -1,-1,-1,-1
|
|
];
|
|
|
|
function base64ToString(data) {
|
|
var result = '';
|
|
var leftbits = 0; // number of bits decoded, but yet to be appended
|
|
var leftdata = 0; // bits decoded, but yet to be appended
|
|
|
|
// Convert one by one.
|
|
for (var i = 0; i < data.length; i++) {
|
|
var c = toBinaryTable[data.charCodeAt(i) & 0x7f];
|
|
var padding = (data[i] == base64Pad);
|
|
// Skip illegal characters and whitespace
|
|
if (c == -1) continue;
|
|
|
|
// Collect data into leftdata, update bitcount
|
|
leftdata = (leftdata << 6) | c;
|
|
leftbits += 6;
|
|
|
|
// If we have 8 or more bits, append 8 bits to the result
|
|
if (leftbits >= 8) {
|
|
leftbits -= 8;
|
|
// Append if not padding.
|
|
if (!padding)
|
|
result += String.fromCharCode((leftdata >> leftbits) & 0xff);
|
|
leftdata &= (1 << leftbits) - 1;
|
|
}
|
|
}
|
|
|
|
// If there are any bits left, the base64 string was corrupted
|
|
if (leftbits)
|
|
throw Components.Exception('Corrupted base64 string');
|
|
|
|
return result;
|
|
}
|
|
|
|
var str = "";
|
|
|
|
for ( var i = 0; i < 8192; i++ )
|
|
str += String.fromCharCode( (25 * Math.random()) + 97 );
|
|
|
|
for ( var i = 8192; i <= 16384; i *= 2 ) {
|
|
|
|
var base64;
|
|
|
|
base64 = toBase64(str);
|
|
base64ToString(base64);
|
|
|
|
// Double the string
|
|
str += str;
|
|
}
|
|
|
|
toBinaryTable = null;
|
|
|
|
|
|
var _sunSpiderInterval = new Date() - _sunSpiderStartDate;
|
|
|
|
document.getElementById("console").innerHTML = _sunSpiderInterval;
|
|
</script>
|
|
|
|
|
|
</body>
|
|
</html>
|