diff options
Diffstat (limited to 'deps/npm/node_modules/uuid/lib/v35.js')
-rw-r--r-- | deps/npm/node_modules/uuid/lib/v35.js | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/deps/npm/node_modules/uuid/lib/v35.js b/deps/npm/node_modules/uuid/lib/v35.js new file mode 100644 index 00000000000..842c60ea2bd --- /dev/null +++ b/deps/npm/node_modules/uuid/lib/v35.js @@ -0,0 +1,53 @@ +var bytesToUuid = require('./bytesToUuid'); + +function uuidToBytes(uuid) { + // Note: We assume we're being passed a valid uuid string + var bytes = []; + uuid.replace(/[a-fA-F0-9]{2}/g, function(hex) { + bytes.push(parseInt(hex, 16)); + }); + + return bytes; +} + +function stringToBytes(str) { + str = unescape(encodeURIComponent(str)); // UTF8 escape + var bytes = new Array(str.length); + for (var i = 0; i < str.length; i++) { + bytes[i] = str.charCodeAt(i); + } + return bytes; +} + +module.exports = function(name, version, hashfunc) { + var generateUUID = function(value, namespace, buf, offset) { + var off = buf && offset || 0; + + if (typeof(value) == 'string') value = stringToBytes(value); + if (typeof(namespace) == 'string') namespace = uuidToBytes(namespace); + + if (!Array.isArray(value)) throw TypeError('value must be an array of bytes'); + if (!Array.isArray(namespace) || namespace.length !== 16) throw TypeError('namespace must be uuid string or an Array of 16 byte values'); + + // Per 4.3 + var bytes = hashfunc(namespace.concat(value)); + bytes[6] = (bytes[6] & 0x0f) | version; + bytes[8] = (bytes[8] & 0x3f) | 0x80; + + if (buf) { + for (var idx = 0; idx < 16; ++idx) { + buf[off+idx] = bytes[idx]; + } + } + + return buf || bytesToUuid(bytes); + }; + + generateUUID.name = name; + + // Pre-defined namespaces, per Appendix C + generateUUID.DNS = '6ba7b810-9dad-11d1-80b4-00c04fd430c8'; + generateUUID.URL = '6ba7b811-9dad-11d1-80b4-00c04fd430c8'; + + return generateUUID; +}; |