Index: usage/lib/src/uuid.dart |
diff --git a/usage/lib/src/uuid.dart b/usage/lib/src/uuid.dart |
deleted file mode 100644 |
index 66e99acafb0f0a242b75899f0597e39789aad022..0000000000000000000000000000000000000000 |
--- a/usage/lib/src/uuid.dart |
+++ /dev/null |
@@ -1,48 +0,0 @@ |
-// Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file |
-// for details. All rights reserved. Use of this source code is governed by a |
-// BSD-style license that can be found in the LICENSE file. |
- |
-/** |
- * A UUID generator library. |
- */ |
-library usage.uuid; |
- |
-import 'dart:math' show Random; |
- |
-/** |
- * A UUID generator. This will generate unique IDs in the format: |
- * |
- * f47ac10b-58cc-4372-a567-0e02b2c3d479 |
- * |
- * The generated uuids are 128 bit numbers encoded in a specific string format. |
- * |
- * For more information, see |
- * http://en.wikipedia.org/wiki/Universally_unique_identifier. |
- */ |
-class Uuid { |
- Random _random = new Random(); |
- |
- /** |
- * Generate a version 4 (random) uuid. This is a uuid scheme that only uses |
- * random numbers as the source of the generated uuid. |
- */ |
- String generateV4() { |
- // Generate xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx / 8-4-4-4-12. |
- int special = 8 + _random.nextInt(4); |
- |
- return |
- '${_bitsDigits(16, 4)}${_bitsDigits(16, 4)}-' |
- '${_bitsDigits(16, 4)}-' |
- '4${_bitsDigits(12, 3)}-' |
- '${_printDigits(special, 1)}${_bitsDigits(12, 3)}-' |
- '${_bitsDigits(16, 4)}${_bitsDigits(16, 4)}${_bitsDigits(16, 4)}'; |
- } |
- |
- String _bitsDigits(int bitCount, int digitCount) => |
- _printDigits(_generateBits(bitCount), digitCount); |
- |
- int _generateBits(int bitCount) => _random.nextInt(1 << bitCount); |
- |
- String _printDigits(int value, int count) => |
- value.toRadixString(16).padLeft(count, '0'); |
-} |