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1 /* | 1 /* |
2 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All r
ights reserved. | 2 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All r
ights reserved. |
3 * Copyright (C) 2005 Alexey Proskuryakov. | 3 * Copyright (C) 2005 Alexey Proskuryakov. |
4 * | 4 * |
5 * Redistribution and use in source and binary forms, with or without | 5 * Redistribution and use in source and binary forms, with or without |
6 * modification, are permitted provided that the following conditions | 6 * modification, are permitted provided that the following conditions |
7 * are met: | 7 * are met: |
8 * 1. Redistributions of source code must retain the above copyright | 8 * 1. Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * 2. Redistributions in binary form must reproduce the above copyright | 10 * 2. Redistributions in binary form must reproduce the above copyright |
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22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
25 */ | 25 */ |
26 | 26 |
27 #include "core/editing/iterators/WordAwareIterator.h" | 27 #include "core/editing/iterators/WordAwareIterator.h" |
28 | 28 |
29 namespace blink { | 29 namespace blink { |
30 | 30 |
31 WordAwareIterator::WordAwareIterator(const Position& start, const Position& end) | 31 WordAwareIterator::WordAwareIterator(const Position& start, const Position& end) |
32 : m_didLookAhead( | 32 // So we consider the first chunk from the text iterator. |
33 true) // So we consider the first chunk from the text iterator. | 33 : m_didLookAhead(true), |
34 , | |
35 m_textIterator(start, end) { | 34 m_textIterator(start, end) { |
36 advance(); // Get in position over the first chunk of text. | 35 advance(); // Get in position over the first chunk of text. |
37 } | 36 } |
38 | 37 |
39 WordAwareIterator::~WordAwareIterator() {} | 38 WordAwareIterator::~WordAwareIterator() {} |
40 | 39 |
41 // FIXME: Performance could be bad for huge spans next to each other that don't
fall on word boundaries. | 40 // FIXME: Performance could be bad for huge spans next to each other that don't
fall on word boundaries. |
42 | 41 |
43 void WordAwareIterator::advance() { | 42 void WordAwareIterator::advance() { |
44 m_buffer.clear(); | 43 m_buffer.clear(); |
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92 return m_textIterator.text().substring(position, length); | 91 return m_textIterator.text().substring(position, length); |
93 } | 92 } |
94 | 93 |
95 UChar WordAwareIterator::characterAt(unsigned index) const { | 94 UChar WordAwareIterator::characterAt(unsigned index) const { |
96 if (!m_buffer.isEmpty()) | 95 if (!m_buffer.isEmpty()) |
97 return m_buffer[index]; | 96 return m_buffer[index]; |
98 return m_textIterator.text().characterAt(index); | 97 return m_textIterator.text().characterAt(index); |
99 } | 98 } |
100 | 99 |
101 } // namespace blink | 100 } // namespace blink |
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