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| 1 /* | 1 /* |
| 2 * (C) 1999 Lars Knoll (knoll@kde.org) | 2 * (C) 1999 Lars Knoll (knoll@kde.org) |
| 3 * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved. | 3 * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved. |
| 4 * Copyright (C) 2007-2009 Torch Mobile, Inc. | 4 * Copyright (C) 2007-2009 Torch Mobile, Inc. |
| 5 * | 5 * |
| 6 * This library is free software; you can redistribute it and/or | 6 * This library is free software; you can redistribute it and/or |
| 7 * modify it under the terms of the GNU Library General Public | 7 * modify it under the terms of the GNU Library General Public |
| 8 * License as published by the Free Software Foundation; either | 8 * License as published by the Free Software Foundation; either |
| 9 * version 2 of the License, or (at your option) any later version. | 9 * version 2 of the License, or (at your option) any later version. |
| 10 * | 10 * |
| 11 * This library is distributed in the hope that it will be useful, | 11 * This library is distributed in the hope that it will be useful, |
| 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of | 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 14 * Library General Public License for more details. | 14 * Library General Public License for more details. |
| 15 * | 15 * |
| 16 * You should have received a copy of the GNU Library General Public License | 16 * You should have received a copy of the GNU Library General Public License |
| 17 * along with this library; see the file COPYING.LIB. If not, write to | 17 * along with this library; see the file COPYING.LIB. If not, write to |
| 18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | 18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| 19 * Boston, MA 02110-1301, USA. | 19 * Boston, MA 02110-1301, USA. |
| 20 */ | 20 */ |
| 21 | 21 |
| 22 #include "config.h" | 22 #include "config.h" |
| 23 #include "platform/text/TextBreakIterator.h" | 23 #include "platform/text/TextBreakIterator.h" |
| 24 | 24 |
| 25 namespace WebCore { | 25 namespace blink { |
| 26 | 26 |
| 27 unsigned numGraphemeClusters(const String& string) | 27 unsigned numGraphemeClusters(const String& string) |
| 28 { | 28 { |
| 29 unsigned stringLength = string.length(); | 29 unsigned stringLength = string.length(); |
| 30 | 30 |
| 31 if (!stringLength) | 31 if (!stringLength) |
| 32 return 0; | 32 return 0; |
| 33 | 33 |
| 34 // The only Latin-1 Extended Grapheme Cluster is CR LF | 34 // The only Latin-1 Extended Grapheme Cluster is CR LF |
| 35 if (string.is8Bit() && !string.contains('\r')) | 35 if (string.is8Bit() && !string.contains('\r')) |
| (...skipping 24 matching lines...) Expand all Loading... |
| 60 if (!it) | 60 if (!it) |
| 61 return std::min(stringLength, numGraphemeClusters); | 61 return std::min(stringLength, numGraphemeClusters); |
| 62 | 62 |
| 63 for (unsigned i = 0; i < numGraphemeClusters; ++i) { | 63 for (unsigned i = 0; i < numGraphemeClusters; ++i) { |
| 64 if (it.next() == TextBreakDone) | 64 if (it.next() == TextBreakDone) |
| 65 return stringLength; | 65 return stringLength; |
| 66 } | 66 } |
| 67 return it.current(); | 67 return it.current(); |
| 68 } | 68 } |
| 69 | 69 |
| 70 } // namespace WebCore | 70 } // namespace blink |
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