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1 /* | 1 /* |
2 * Copyright (C) 2010 Adam Barth. All Rights Reserved. | 2 * Copyright (C) 2010 Adam Barth. 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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59 token.end(currentInput.numberOfCharactersConsumed() - | 59 token.end(currentInput.numberOfCharactersConsumed() - |
60 tokenizer->numberOfBufferedCharacters()); | 60 tokenizer->numberOfBufferedCharacters()); |
61 } | 61 } |
62 | 62 |
63 String HTMLSourceTracker::sourceForToken(const HTMLToken& token) { | 63 String HTMLSourceTracker::sourceForToken(const HTMLToken& token) { |
64 if (!m_cachedSourceForToken.isEmpty()) | 64 if (!m_cachedSourceForToken.isEmpty()) |
65 return m_cachedSourceForToken; | 65 return m_cachedSourceForToken; |
66 | 66 |
67 size_t length; | 67 size_t length; |
68 if (token.type() == HTMLToken::EndOfFile) { | 68 if (token.type() == HTMLToken::EndOfFile) { |
69 // Consume the remainder of the input, omitting the null character we use to
mark the end of the file. | 69 // Consume the remainder of the input, omitting the null character we use to |
| 70 // mark the end of the file. |
70 length = m_previousSource.length() + m_currentSource.length() - 1; | 71 length = m_previousSource.length() + m_currentSource.length() - 1; |
71 } else { | 72 } else { |
72 ASSERT(!token.startIndex()); | 73 ASSERT(!token.startIndex()); |
73 length = static_cast<size_t>(token.endIndex() - token.startIndex()); | 74 length = static_cast<size_t>(token.endIndex() - token.startIndex()); |
74 } | 75 } |
75 | 76 |
76 StringBuilder source; | 77 StringBuilder source; |
77 source.reserveCapacity(length); | 78 source.reserveCapacity(length); |
78 | 79 |
79 size_t i = 0; | 80 size_t i = 0; |
80 for (; i < length && !m_previousSource.isEmpty(); ++i) { | 81 for (; i < length && !m_previousSource.isEmpty(); ++i) { |
81 source.append(m_previousSource.currentChar()); | 82 source.append(m_previousSource.currentChar()); |
82 m_previousSource.advance(); | 83 m_previousSource.advance(); |
83 } | 84 } |
84 for (; i < length; ++i) { | 85 for (; i < length; ++i) { |
85 ASSERT(!m_currentSource.isEmpty()); | 86 ASSERT(!m_currentSource.isEmpty()); |
86 source.append(m_currentSource.currentChar()); | 87 source.append(m_currentSource.currentChar()); |
87 m_currentSource.advance(); | 88 m_currentSource.advance(); |
88 } | 89 } |
89 | 90 |
90 m_cachedSourceForToken = source.toString(); | 91 m_cachedSourceForToken = source.toString(); |
91 return m_cachedSourceForToken; | 92 return m_cachedSourceForToken; |
92 } | 93 } |
93 | 94 |
94 } // namespace blink | 95 } // namespace blink |
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