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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "SymbolsIterator.h" | 5 #include "SymbolsIterator.h" |
6 | 6 |
7 #include "wtf/PtrUtil.h" | 7 #include "wtf/PtrUtil.h" |
8 #include <unicode/uchar.h> | 8 #include <unicode/uchar.h> |
9 #include <unicode/uniset.h> | 9 #include <unicode/uniset.h> |
10 | 10 |
11 namespace blink { | 11 namespace blink { |
12 | 12 |
13 using namespace WTF::Unicode; | 13 using namespace WTF::Unicode; |
14 | 14 |
15 SymbolsIterator::SymbolsIterator(const UChar* buffer, unsigned bufferSize) | 15 SymbolsIterator::SymbolsIterator(const UChar* buffer, unsigned bufferSize) |
16 : m_utf16Iterator(makeUnique<UTF16TextIterator>(buffer, bufferSize)), | 16 : m_utf16Iterator(WTF::makeUnique<UTF16TextIterator>(buffer, bufferSize)), |
17 m_bufferSize(bufferSize), | 17 m_bufferSize(bufferSize), |
18 m_nextChar(0), | 18 m_nextChar(0), |
19 m_atEnd(bufferSize == 0), | 19 m_atEnd(bufferSize == 0), |
20 m_currentFontFallbackPriority(FontFallbackPriority::Invalid) {} | 20 m_currentFontFallbackPriority(FontFallbackPriority::Invalid) {} |
21 | 21 |
22 FontFallbackPriority SymbolsIterator::fontFallbackPriorityForCharacter( | 22 FontFallbackPriority SymbolsIterator::fontFallbackPriorityForCharacter( |
23 UChar32 codepoint) { | 23 UChar32 codepoint) { |
24 // Those should only be Emoji presentation as combinations of two. | 24 // Those should only be Emoji presentation as combinations of two. |
25 if (Character::isEmojiKeycapBase(codepoint) || | 25 if (Character::isEmojiKeycapBase(codepoint) || |
26 Character::isRegionalIndicator(codepoint)) | 26 Character::isRegionalIndicator(codepoint)) |
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125 return true; | 125 return true; |
126 } | 126 } |
127 } | 127 } |
128 *symbolsLimit = m_bufferSize; | 128 *symbolsLimit = m_bufferSize; |
129 *fontFallbackPriority = m_currentFontFallbackPriority; | 129 *fontFallbackPriority = m_currentFontFallbackPriority; |
130 m_atEnd = true; | 130 m_atEnd = true; |
131 return true; | 131 return true; |
132 } | 132 } |
133 | 133 |
134 } // namespace blink | 134 } // namespace blink |
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