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Side by Side Diff: third_party/WebKit/Source/wtf/HexNumber.h

Issue 1611343002: wtf reformat test Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: pydent Created 4 years, 11 months ago
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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
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details. 12 * Library General Public License for more details.
13 * 13 *
14 * You should have received a copy of the GNU Library General Public License 14 * You should have received a copy of the GNU Library General Public License
15 * along with this library; see the file COPYING.LIB. If not, write to 15 * along with this library; see the file COPYING.LIB. If not, write to
16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 * Boston, MA 02110-1301, USA. 17 * Boston, MA 02110-1301, USA.
18 */ 18 */
19 19
20 #ifndef HexNumber_h 20 #ifndef HexNumber_h
21 #define HexNumber_h 21 #define HexNumber_h
22 22
23 #include "wtf/text/StringConcatenate.h" 23 #include "wtf/text/StringConcatenate.h"
24 24
25 namespace WTF { 25 namespace WTF {
26 26
27 enum HexConversionMode { 27 enum HexConversionMode { Lowercase, Uppercase };
28 Lowercase,
29 Uppercase
30 };
31 28
32 namespace Internal { 29 namespace Internal {
33 30
34 const LChar lowerHexDigits[17] = "0123456789abcdef"; 31 const LChar lowerHexDigits[17] = "0123456789abcdef";
35 const LChar upperHexDigits[17] = "0123456789ABCDEF"; 32 const LChar upperHexDigits[17] = "0123456789ABCDEF";
36 inline const LChar* hexDigitsForMode(HexConversionMode mode) 33 inline const LChar* hexDigitsForMode(HexConversionMode mode) {
37 { 34 return mode == Lowercase ? lowerHexDigits : upperHexDigits;
38 return mode == Lowercase ? lowerHexDigits : upperHexDigits;
39 } 35 }
40 36
41 } // namespace Internal 37 } // namespace Internal
42 38
43 template<typename T> 39 template <typename T>
44 inline void appendByteAsHex(unsigned char byte, T& destination, HexConversionMod e mode = Uppercase) 40 inline void appendByteAsHex(unsigned char byte,
45 { 41 T& destination,
46 const LChar* hexDigits = Internal::hexDigitsForMode(mode); 42 HexConversionMode mode = Uppercase) {
47 destination.append(hexDigits[byte >> 4]); 43 const LChar* hexDigits = Internal::hexDigitsForMode(mode);
48 destination.append(hexDigits[byte & 0xF]); 44 destination.append(hexDigits[byte >> 4]);
45 destination.append(hexDigits[byte & 0xF]);
49 } 46 }
50 47
51 template<typename T> 48 template <typename T>
52 inline void placeByteAsHexCompressIfPossible(unsigned char byte, T& destination, unsigned& index, HexConversionMode mode = Uppercase) 49 inline void placeByteAsHexCompressIfPossible(
53 { 50 unsigned char byte,
54 const LChar* hexDigits = Internal::hexDigitsForMode(mode); 51 T& destination,
55 if (byte >= 0x10) 52 unsigned& index,
56 destination[index++] = hexDigits[byte >> 4]; 53 HexConversionMode mode = Uppercase) {
57 destination[index++] = hexDigits[byte & 0xF]; 54 const LChar* hexDigits = Internal::hexDigitsForMode(mode);
55 if (byte >= 0x10)
56 destination[index++] = hexDigits[byte >> 4];
57 destination[index++] = hexDigits[byte & 0xF];
58 } 58 }
59 59
60 template<typename T> 60 template <typename T>
61 inline void placeByteAsHex(unsigned char byte, T& destination, HexConversionMode mode = Uppercase) 61 inline void placeByteAsHex(unsigned char byte,
62 { 62 T& destination,
63 const LChar* hexDigits = Internal::hexDigitsForMode(mode); 63 HexConversionMode mode = Uppercase) {
64 *destination++ = hexDigits[byte >> 4]; 64 const LChar* hexDigits = Internal::hexDigitsForMode(mode);
65 *destination++ = hexDigits[byte & 0xF]; 65 *destination++ = hexDigits[byte >> 4];
66 *destination++ = hexDigits[byte & 0xF];
66 } 67 }
67 68
68 template<typename T> 69 template <typename T>
69 inline void appendUnsignedAsHex(unsigned number, T& destination, HexConversionMo de mode = Uppercase) 70 inline void appendUnsignedAsHex(unsigned number,
70 { 71 T& destination,
71 const LChar* hexDigits = Internal::hexDigitsForMode(mode); 72 HexConversionMode mode = Uppercase) {
72 Vector<LChar, 8> result; 73 const LChar* hexDigits = Internal::hexDigitsForMode(mode);
73 do { 74 Vector<LChar, 8> result;
74 result.prepend(hexDigits[number % 16]); 75 do {
75 number >>= 4; 76 result.prepend(hexDigits[number % 16]);
76 } while (number > 0); 77 number >>= 4;
78 } while (number > 0);
77 79
78 destination.append(result.data(), result.size()); 80 destination.append(result.data(), result.size());
79 } 81 }
80 82
81 // Same as appendUnsignedAsHex, but using exactly 'desiredDigits' for the conver sion. 83 // Same as appendUnsignedAsHex, but using exactly 'desiredDigits' for the conver sion.
82 template<typename T> 84 template <typename T>
83 inline void appendUnsignedAsHexFixedSize(unsigned number, T& destination, unsign ed desiredDigits, HexConversionMode mode = Uppercase) 85 inline void appendUnsignedAsHexFixedSize(unsigned number,
84 { 86 T& destination,
85 ASSERT(desiredDigits); 87 unsigned desiredDigits,
88 HexConversionMode mode = Uppercase) {
89 ASSERT(desiredDigits);
86 90
87 const LChar* hexDigits = Internal::hexDigitsForMode(mode); 91 const LChar* hexDigits = Internal::hexDigitsForMode(mode);
88 Vector<LChar, 8> result; 92 Vector<LChar, 8> result;
89 do { 93 do {
90 result.prepend(hexDigits[number % 16]); 94 result.prepend(hexDigits[number % 16]);
91 number >>= 4; 95 number >>= 4;
92 } while (result.size() < desiredDigits); 96 } while (result.size() < desiredDigits);
93 97
94 ASSERT(result.size() == desiredDigits); 98 ASSERT(result.size() == desiredDigits);
95 destination.append(result.data(), result.size()); 99 destination.append(result.data(), result.size());
96 } 100 }
97 101
98 } // namespace WTF 102 } // namespace WTF
99 103
100 using WTF::appendByteAsHex; 104 using WTF::appendByteAsHex;
101 using WTF::appendUnsignedAsHex; 105 using WTF::appendUnsignedAsHex;
102 using WTF::appendUnsignedAsHexFixedSize; 106 using WTF::appendUnsignedAsHexFixedSize;
103 using WTF::placeByteAsHex; 107 using WTF::placeByteAsHex;
104 using WTF::placeByteAsHexCompressIfPossible; 108 using WTF::placeByteAsHexCompressIfPossible;
105 using WTF::Lowercase; 109 using WTF::Lowercase;
106 110
107 #endif // HexNumber_h 111 #endif // HexNumber_h
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