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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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69 String HTMLSourceTracker::sourceForToken(const HTMLToken& token) { | 69 String HTMLSourceTracker::sourceForToken(const HTMLToken& token) { |
70 if (!m_cachedSourceForToken.isEmpty()) | 70 if (!m_cachedSourceForToken.isEmpty()) |
71 return m_cachedSourceForToken; | 71 return m_cachedSourceForToken; |
72 | 72 |
73 size_t length; | 73 size_t length; |
74 if (token.type() == HTMLToken::EndOfFile) { | 74 if (token.type() == HTMLToken::EndOfFile) { |
75 // Consume the remainder of the input, omitting the null character we use to | 75 // Consume the remainder of the input, omitting the null character we use to |
76 // mark the end of the file. | 76 // mark the end of the file. |
77 length = m_previousSource.length() + m_currentSource.length() - 1; | 77 length = m_previousSource.length() + m_currentSource.length() - 1; |
78 } else { | 78 } else { |
79 ASSERT(!token.startIndex()); | 79 DCHECK(!token.startIndex()); |
80 length = static_cast<size_t>(token.endIndex() - token.startIndex()); | 80 length = static_cast<size_t>(token.endIndex() - token.startIndex()); |
81 } | 81 } |
82 | 82 |
83 StringBuilder source; | 83 StringBuilder source; |
84 source.reserveCapacity(length); | 84 source.reserveCapacity(length); |
85 | 85 |
86 size_t i = 0; | 86 size_t i = 0; |
87 for (; i < length && !m_previousSource.isEmpty(); ++i) { | 87 for (; i < length && !m_previousSource.isEmpty(); ++i) { |
88 source.append(m_previousSource.currentChar()); | 88 source.append(m_previousSource.currentChar()); |
89 m_previousSource.advance(); | 89 m_previousSource.advance(); |
90 } | 90 } |
91 for (; i < length; ++i) { | 91 for (; i < length; ++i) { |
92 ASSERT(!m_currentSource.isEmpty()); | 92 DCHECK(!m_currentSource.isEmpty()); |
93 source.append(m_currentSource.currentChar()); | 93 source.append(m_currentSource.currentChar()); |
94 m_currentSource.advance(); | 94 m_currentSource.advance(); |
95 } | 95 } |
96 | 96 |
97 m_cachedSourceForToken = source.toString(); | 97 m_cachedSourceForToken = source.toString(); |
98 return m_cachedSourceForToken; | 98 return m_cachedSourceForToken; |
99 } | 99 } |
100 | 100 |
101 bool HTMLSourceTracker::needToCheckTokenizerBuffer(HTMLTokenizer* tokenizer) { | 101 bool HTMLSourceTracker::needToCheckTokenizerBuffer(HTMLTokenizer* tokenizer) { |
102 HTMLTokenizer::State state = tokenizer->getState(); | 102 HTMLTokenizer::State state = tokenizer->getState(); |
103 // The temporary buffer must not be used unconditionally, because in some | 103 // The temporary buffer must not be used unconditionally, because in some |
104 // states (e.g. ScriptDataDoubleEscapedStartState), data is appended to | 104 // states (e.g. ScriptDataDoubleEscapedStartState), data is appended to |
105 // both the temporary buffer and the token itself. | 105 // both the temporary buffer and the token itself. |
106 return state == HTMLTokenizer::DataState || | 106 return state == HTMLTokenizer::DataState || |
107 HTMLTokenizer::isEndTagBufferingState(state); | 107 HTMLTokenizer::isEndTagBufferingState(state); |
108 } | 108 } |
109 | 109 |
110 } // namespace blink | 110 } // namespace blink |
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