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1 /* | 1 /* |
2 * Copyright (C) 2007, 2008 Apple, Inc. All rights reserved. | 2 * Copyright (C) 2007, 2008 Apple, Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
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94 return CString(bytes, resultLength); | 94 return CString(bytes, resultLength); |
95 } | 95 } |
96 | 96 |
97 template <typename CharType> | 97 template <typename CharType> |
98 CString TextCodecUserDefined::encodeCommon(const CharType* characters, | 98 CString TextCodecUserDefined::encodeCommon(const CharType* characters, |
99 size_t length, | 99 size_t length, |
100 UnencodableHandling handling) { | 100 UnencodableHandling handling) { |
101 char* bytes; | 101 char* bytes; |
102 CString result = CString::newUninitialized(length, bytes); | 102 CString result = CString::newUninitialized(length, bytes); |
103 | 103 |
104 // Convert the string a fast way and simultaneously do an efficient check to s
ee if it's all ASCII. | 104 // Convert the string a fast way and simultaneously do an efficient check to |
| 105 // see if it's all ASCII. |
105 UChar ored = 0; | 106 UChar ored = 0; |
106 for (size_t i = 0; i < length; ++i) { | 107 for (size_t i = 0; i < length; ++i) { |
107 UChar c = characters[i]; | 108 UChar c = characters[i]; |
108 bytes[i] = static_cast<char>(c); | 109 bytes[i] = static_cast<char>(c); |
109 ored |= c; | 110 ored |= c; |
110 } | 111 } |
111 | 112 |
112 if (!(ored & 0xFF80)) | 113 if (!(ored & 0xFF80)) |
113 return result; | 114 return result; |
114 | 115 |
115 // If it wasn't all ASCII, call the function that handles more-complex cases. | 116 // If it wasn't all ASCII, call the function that handles more-complex cases. |
116 return encodeComplexUserDefined(characters, length, handling); | 117 return encodeComplexUserDefined(characters, length, handling); |
117 } | 118 } |
118 | 119 |
119 CString TextCodecUserDefined::encode(const UChar* characters, | 120 CString TextCodecUserDefined::encode(const UChar* characters, |
120 size_t length, | 121 size_t length, |
121 UnencodableHandling handling) { | 122 UnencodableHandling handling) { |
122 return encodeCommon(characters, length, handling); | 123 return encodeCommon(characters, length, handling); |
123 } | 124 } |
124 | 125 |
125 CString TextCodecUserDefined::encode(const LChar* characters, | 126 CString TextCodecUserDefined::encode(const LChar* characters, |
126 size_t length, | 127 size_t length, |
127 UnencodableHandling handling) { | 128 UnencodableHandling handling) { |
128 return encodeCommon(characters, length, handling); | 129 return encodeCommon(characters, length, handling); |
129 } | 130 } |
130 | 131 |
131 } // namespace WTF | 132 } // namespace WTF |
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