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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 part of "core.dart"; | 5 part of "dart:core"; |
6 | 6 |
7 // Frequently used character codes. | 7 // Frequently used character codes. |
8 const int _SPACE = 0x20; | 8 const int _SPACE = 0x20; |
9 const int _PERCENT = 0x25; | 9 const int _PERCENT = 0x25; |
10 const int _AMPERSAND = 0x26; | 10 const int _AMPERSAND = 0x26; |
11 const int _PLUS = 0x2B; | 11 const int _PLUS = 0x2B; |
12 const int _DOT = 0x2E; | 12 const int _DOT = 0x2E; |
13 const int _SLASH = 0x2F; | 13 const int _SLASH = 0x2F; |
14 const int _COLON = 0x3A; | 14 const int _COLON = 0x3A; |
15 const int _EQUALS = 0x3d; | 15 const int _EQUALS = 0x3d; |
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4630 int delta = (text.codeUnitAt(start + 4) ^ _COLON) * 3; | 4630 int delta = (text.codeUnitAt(start + 4) ^ _COLON) * 3; |
4631 delta |= text.codeUnitAt(start) ^ 0x64 /*d*/; | 4631 delta |= text.codeUnitAt(start) ^ 0x64 /*d*/; |
4632 delta |= text.codeUnitAt(start + 1) ^ 0x61 /*a*/; | 4632 delta |= text.codeUnitAt(start + 1) ^ 0x61 /*a*/; |
4633 delta |= text.codeUnitAt(start + 2) ^ 0x74 /*t*/; | 4633 delta |= text.codeUnitAt(start + 2) ^ 0x74 /*t*/; |
4634 delta |= text.codeUnitAt(start + 3) ^ 0x61 /*a*/; | 4634 delta |= text.codeUnitAt(start + 3) ^ 0x61 /*a*/; |
4635 return delta; | 4635 return delta; |
4636 } | 4636 } |
4637 | 4637 |
4638 /// Helper function returning the length of a string, or `0` for `null`. | 4638 /// Helper function returning the length of a string, or `0` for `null`. |
4639 int _stringOrNullLength(String s) => (s == null) ? 0 : s.length; | 4639 int _stringOrNullLength(String s) => (s == null) ? 0 : s.length; |
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