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1 /* | 1 /* |
2 * Copyright (C) 2011 Research In Motion Limited. All rights reserved. | 2 * Copyright (C) 2011 Research In Motion Limited. All rights reserved. |
3 * | 3 * |
4 * This library is free software; you can redistribute it and/or | 4 * This library is free software; you can redistribute it and/or |
5 * modify it under the terms of the GNU Library General Public | 5 * modify it under the terms of the GNU Library General Public |
6 * License as published by the Free Software Foundation; either | 6 * License as published by the Free Software Foundation; either |
7 * version 2 of the License, or (at your option) any later version. | 7 * version 2 of the License, or (at your option) any later version. |
8 * | 8 * |
9 * This library is distributed in the hope that it will be useful, | 9 * This library is distributed in the hope that it will be useful, |
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of | 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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62 destination.push_back(hexDigits[byte & 0xF]); | 62 destination.push_back(hexDigits[byte & 0xF]); |
63 } | 63 } |
64 | 64 |
65 template <typename T> | 65 template <typename T> |
66 static inline void appendUnsignedAsHex(unsigned number, | 66 static inline void appendUnsignedAsHex(unsigned number, |
67 T& destination, | 67 T& destination, |
68 HexConversionMode mode = Uppercase) { | 68 HexConversionMode mode = Uppercase) { |
69 const LChar* hexDigits = hexDigitsForMode(mode); | 69 const LChar* hexDigits = hexDigitsForMode(mode); |
70 Vector<LChar, 8> result; | 70 Vector<LChar, 8> result; |
71 do { | 71 do { |
72 result.prepend(hexDigits[number % 16]); | 72 result.push_front(hexDigits[number % 16]); |
73 number >>= 4; | 73 number >>= 4; |
74 } while (number > 0); | 74 } while (number > 0); |
75 | 75 |
76 destination.append(result.data(), result.size()); | 76 destination.append(result.data(), result.size()); |
77 } | 77 } |
78 | 78 |
79 // Same as appendUnsignedAsHex, but using exactly 'desiredDigits' for the | 79 // Same as appendUnsignedAsHex, but using exactly 'desiredDigits' for the |
80 // conversion. | 80 // conversion. |
81 template <typename T> | 81 template <typename T> |
82 static inline void appendUnsignedAsHexFixedSize( | 82 static inline void appendUnsignedAsHexFixedSize( |
83 unsigned number, | 83 unsigned number, |
84 T& destination, | 84 T& destination, |
85 unsigned desiredDigits, | 85 unsigned desiredDigits, |
86 HexConversionMode mode = Uppercase) { | 86 HexConversionMode mode = Uppercase) { |
87 DCHECK(desiredDigits); | 87 DCHECK(desiredDigits); |
88 | 88 |
89 const LChar* hexDigits = hexDigitsForMode(mode); | 89 const LChar* hexDigits = hexDigitsForMode(mode); |
90 Vector<LChar, 8> result; | 90 Vector<LChar, 8> result; |
91 do { | 91 do { |
92 result.prepend(hexDigits[number % 16]); | 92 result.push_front(hexDigits[number % 16]); |
93 number >>= 4; | 93 number >>= 4; |
94 } while (result.size() < desiredDigits); | 94 } while (result.size() < desiredDigits); |
95 | 95 |
96 DCHECK_EQ(result.size(), desiredDigits); | 96 DCHECK_EQ(result.size(), desiredDigits); |
97 destination.append(result.data(), result.size()); | 97 destination.append(result.data(), result.size()); |
98 } | 98 } |
99 | 99 |
100 private: | 100 private: |
101 static inline const LChar* hexDigitsForMode(HexConversionMode mode) { | 101 static inline const LChar* hexDigitsForMode(HexConversionMode mode) { |
102 return mode == Lowercase ? Internal::lowerHexDigits | 102 return mode == Lowercase ? Internal::lowerHexDigits |
103 : Internal::upperHexDigits; | 103 : Internal::upperHexDigits; |
104 } | 104 } |
105 }; | 105 }; |
106 | 106 |
107 } // namespace WTF | 107 } // namespace WTF |
108 | 108 |
109 using WTF::HexNumber; | 109 using WTF::HexNumber; |
110 | 110 |
111 #endif // HexNumber_h | 111 #endif // HexNumber_h |
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