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| 1 /* | |
| 2 * Copyright (C) 2012 Apple Inc. All rights reserved. | |
| 3 * Copyright (C) Research In Motion Limited 2011. All rights reserved. | |
| 4 * | |
| 5 * This library is free software; you can redistribute it and/or | |
| 6 * modify it under the terms of the GNU Library General Public | |
| 7 * License as published by the Free Software Foundation; either | |
| 8 * version 2 of the License, or (at your option) any later version. | |
| 9 * | |
| 10 * This library is distributed in the hope that it will be useful, | |
| 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 * Library General Public License for more details. | |
| 14 * | |
| 15 * You should have received a copy of the GNU Library General Public License | |
| 16 * along with this library; see the file COPYING.LIB. If not, write to | |
| 17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | |
| 18 * Boston, MA 02110-1301, USA. | |
| 19 * | |
| 20 */ | |
| 21 | |
| 22 #ifndef Latin1TextIterator_h | |
| 23 #define Latin1TextIterator_h | |
| 24 | |
| 25 #include "wtf/text/WTFString.h" | |
| 26 | |
| 27 namespace WebCore { | |
| 28 | |
| 29 class Latin1TextIterator { | |
| 30 public: | |
| 31 // The passed in LChar pointer starts at 'currentCharacter'. The iterator op
erates on the range [currentCharacter, lastCharacter]. | |
| 32 // 'endCharacter' denotes the maximum length of the UChar array, which might
exceed 'lastCharacter'. | |
| 33 Latin1TextIterator(const LChar* characters, int currentCharacter, int lastCh
aracter, int /*endCharacter*/) | |
| 34 : m_characters(characters) | |
| 35 , m_currentCharacter(currentCharacter) | |
| 36 , m_lastCharacter(lastCharacter) | |
| 37 { | |
| 38 } | |
| 39 | |
| 40 bool consume(UChar32& character, unsigned& clusterLength) | |
| 41 { | |
| 42 if (m_currentCharacter >= m_lastCharacter) | |
| 43 return false; | |
| 44 | |
| 45 character = *m_characters; | |
| 46 clusterLength = 1; | |
| 47 return true; | |
| 48 } | |
| 49 | |
| 50 void advance(unsigned advanceLength) | |
| 51 { | |
| 52 m_characters += advanceLength; | |
| 53 m_currentCharacter += advanceLength; | |
| 54 } | |
| 55 | |
| 56 int currentCharacter() const { return m_currentCharacter; } | |
| 57 const LChar* characters() const { return m_characters; } | |
| 58 | |
| 59 private: | |
| 60 const LChar* m_characters; | |
| 61 int m_currentCharacter; | |
| 62 int m_lastCharacter; | |
| 63 }; | |
| 64 | |
| 65 } | |
| 66 | |
| 67 #endif | |
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Chromium Code Reviews
Issue 52773004:
Move Glyph related classes to platform/fonts (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master