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Closes npmGH-564 Use the MIT node-uuid lib instead of OSLv3 uuid.js.
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Original file line number | Diff line number | Diff line change |
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@@ -1,34 +1,84 @@ | ||
/* randomUUID.js - Version 1.0 | ||
* | ||
* Copyright 2008, Robert Kieffer | ||
* | ||
* This software is made available under the terms of the Open Software License | ||
* v3.0 (available here: http://www.opensource.org/licenses/osl-3.0.php ) | ||
* | ||
* The latest version of this file can be found at: | ||
* http://www.broofa.com/Tools/randomUUID.js | ||
* | ||
* For more information, or to comment on this, please go to: | ||
* http://www.broofa.com/blog/?p=151 | ||
*/ | ||
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/** | ||
* Create and return a "version 4" RFC-4122 UUID string. | ||
*/ | ||
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function randomUUID() { | ||
var s = [], itoh = '0123456789ABCDEF'; | ||
// Make array of random hex digits. The UUID only has 32 digits in it, but we | ||
// allocate an extra items to make room for the '-'s we'll be inserting. | ||
for (var i = 0; i <36; i++) s[i] = Math.floor(Math.random()*0x10); | ||
// Conform to RFC-4122, section 4.4 | ||
s[14] = 4; // Set 4 high bits of time_high field to version | ||
s[19] = (s[19] & 0x3) | 0x8; // Specify 2 high bits of clock sequence | ||
// Convert to hex chars | ||
for (var i = 0; i <36; i++) s[i] = itoh[s[i]]; | ||
// Insert '-'s | ||
s[8] = s[13] = s[18] = s[23] = '-'; | ||
return s.join(''); | ||
} | ||
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exports.generate = function () {return randomUUID();} | ||
(function() { | ||
/* | ||
* Generate a RFC4122(v4) UUID | ||
* | ||
* Documentation at https://github.com/broofa/node-uuid | ||
* | ||
* Copyright 2010 Robert Kieffer | ||
* Dual licensed under the MIT and GPL licenses. | ||
*/ | ||
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// Use node.js Buffer class if available, otherwise use the Array class | ||
var BufferClass = typeof(Buffer) == 'function' ? Buffer : Array; | ||
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// Buffer used for generating string uuids | ||
var _buf = new BufferClass(16); | ||
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// Cache number <-> hex string for octet values | ||
var toString = []; | ||
var toNumber = {}; | ||
for (var i = 0; i < 256; i++) { | ||
toString[i] = (i + 0x100).toString(16).substr(1).toUpperCase(); | ||
toNumber[toString[i]] = i; | ||
} | ||
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function parse(s) { | ||
var buf = new BufferClass(16); | ||
var i = 0, ton = toNumber; | ||
s.toUpperCase().replace(/[0-9A-F][0-9A-F]/g, function(octet) { | ||
buf[i++] = toNumber[octet]; | ||
}); | ||
return buf; | ||
} | ||
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function unparse(buf) { | ||
var tos = toString, b = buf; | ||
return tos[b[0]] + tos[b[1]] + tos[b[2]] + tos[b[3]] + '-' + | ||
tos[b[4]] + tos[b[5]] + '-' + | ||
tos[b[6]] + tos[b[7]] + '-' + | ||
tos[b[8]] + tos[b[9]] + '-' + | ||
tos[b[10]] + tos[b[11]] + tos[b[12]] + | ||
tos[b[13]] + tos[b[14]] + tos[b[15]]; | ||
} | ||
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function uuid(fmt, buf, offset) { | ||
var b32 = 0x100000000, ff = 0xff; | ||
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var b = fmt != 'binary' ? _buf : (buf ? buf : new BufferClass(16)); | ||
var i = buf && offset || 0; | ||
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r = Math.random()*b32; | ||
b[i++] = r & ff; | ||
b[i++] = (r=r>>>8) & ff; | ||
b[i++] = (r=r>>>8) & ff; | ||
b[i++] = (r=r>>>8) & ff; | ||
r = Math.random()*b32; | ||
b[i++] = r & ff; | ||
b[i++] = (r=r>>>8) & ff; | ||
b[i++] = (r=r>>>8) & 0x0f | 0x40; // See RFC4122 sect. 4.1.3 | ||
b[i++] = (r=r>>>8) & ff; | ||
r = Math.random()*b32; | ||
b[i++] = r & 0x3f | 0x80; // See RFC4122 sect. 4.4 | ||
b[i++] = (r=r>>>8) & ff; | ||
b[i++] = (r=r>>>8) & ff; | ||
b[i++] = (r=r>>>8) & ff; | ||
r = Math.random()*b32; | ||
b[i++] = r & ff; | ||
b[i++] = (r=r>>>8) & ff; | ||
b[i++] = (r=r>>>8) & ff; | ||
b[i++] = (r=r>>>8) & ff; | ||
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return fmt === undefined ? unparse(b) : b; | ||
}; | ||
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uuid.parse = parse; | ||
uuid.unparse = unparse; | ||
uuid.BufferClass = BufferClass; | ||
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if (typeof(module) != 'undefined') { | ||
module.exports = uuid; | ||
} else { | ||
// In browser? Set as top-level function | ||
this.uuid = uuid; | ||
} | ||
})(); |