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1 /* | 1 /* |
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) | 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
3 * (C) 1999 Antti Koivisto (koivisto@kde.org) | 3 * (C) 1999 Antti Koivisto (koivisto@kde.org) |
4 * (C) 2007 David Smith (catfish.man@gmail.com) | 4 * (C) 2007 David Smith (catfish.man@gmail.com) |
5 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc.
All rights reserved. | 5 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc.
All rights reserved. |
6 * Copyright (C) Research In Motion Limited 2010. All rights reserved. | 6 * Copyright (C) Research In Motion Limited 2010. All rights reserved. |
7 * | 7 * |
8 * This library is free software; you can redistribute it and/or | 8 * This library is free software; you can redistribute it and/or |
9 * modify it under the terms of the GNU Library General Public | 9 * modify it under the terms of the GNU Library General Public |
10 * License as published by the Free Software Foundation; either | 10 * License as published by the Free Software Foundation; either |
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23 | 23 |
24 #include "config.h" | 24 #include "config.h" |
25 #include "core/dom/FirstLetterPseudoElement.h" | 25 #include "core/dom/FirstLetterPseudoElement.h" |
26 | 26 |
27 #include "core/dom/Element.h" | 27 #include "core/dom/Element.h" |
28 #include "core/layout/GeneratedChildren.h" | 28 #include "core/layout/GeneratedChildren.h" |
29 #include "core/layout/LayoutObject.h" | 29 #include "core/layout/LayoutObject.h" |
30 #include "core/layout/LayoutObjectInlines.h" | 30 #include "core/layout/LayoutObjectInlines.h" |
31 #include "core/layout/LayoutText.h" | 31 #include "core/layout/LayoutText.h" |
32 #include "core/layout/LayoutTextFragment.h" | 32 #include "core/layout/LayoutTextFragment.h" |
33 #include "platform/text/TextBreakIterator.h" | |
34 #include "wtf/TemporaryChange.h" | 33 #include "wtf/TemporaryChange.h" |
35 #include "wtf/text/WTFString.h" | 34 #include "wtf/text/WTFString.h" |
36 #include "wtf/text/icu/UnicodeIcu.h" | 35 #include "wtf/text/icu/UnicodeIcu.h" |
37 | 36 |
38 namespace blink { | 37 namespace blink { |
39 | 38 |
40 using namespace WTF; | 39 using namespace WTF; |
41 using namespace Unicode; | 40 using namespace Unicode; |
42 | 41 |
43 // CSS 2.1 http://www.w3.org/TR/CSS21/selector.html#first-letter | 42 // CSS 2.1 http://www.w3.org/TR/CSS21/selector.html#first-letter |
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71 length++; | 70 length++; |
72 // Now account for leading punctuation. | 71 // Now account for leading punctuation. |
73 while (length < textLength && isPunctuationForFirstLetter(text[length])) | 72 while (length < textLength && isPunctuationForFirstLetter(text[length])) |
74 length++; | 73 length++; |
75 | 74 |
76 // Bail if we didn't find a letter before the end of the text or before a sp
ace. | 75 // Bail if we didn't find a letter before the end of the text or before a sp
ace. |
77 if (isSpaceForFirstLetter(text[length]) || length == textLength) | 76 if (isSpaceForFirstLetter(text[length]) || length == textLength) |
78 return 0; | 77 return 0; |
79 | 78 |
80 // Account the next character for first letter. | 79 // Account the next character for first letter. |
81 const String substring = text.substring(length); | 80 length++; |
82 const unsigned substringLength = substring.length(); | |
83 const UChar* normalizedBuffer = substring.is8Bit() ? String::make16BitFrom8B
itSource(substring.characters8(), substringLength).characters16() : substring.ch
aracters16(); | |
84 length += countCharactersAndGraphemesInCluster(normalizedBuffer, substringLe
ngth, 0, 1).characters; | |
85 | 81 |
86 // Keep looking for allowed punctuation for the :first-letter. | 82 // Keep looking for allowed punctuation for the :first-letter. |
87 for (; length < textLength; ++length) { | 83 for (; length < textLength; ++length) { |
88 UChar c = text[length]; | 84 UChar c = text[length]; |
89 if (!isPunctuationForFirstLetter(c)) | 85 if (!isPunctuationForFirstLetter(c)) |
90 break; | 86 break; |
91 } | 87 } |
92 return length; | 88 return length; |
93 } | 89 } |
94 | 90 |
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315 | 311 |
316 // We only manage the style for the generated content items. | 312 // We only manage the style for the generated content items. |
317 if (!child->isText() && !child->isQuote() && !child->isImage()) | 313 if (!child->isText() && !child->isQuote() && !child->isImage()) |
318 continue; | 314 continue; |
319 | 315 |
320 child->setPseudoStyle(layoutObject->mutableStyle()); | 316 child->setPseudoStyle(layoutObject->mutableStyle()); |
321 } | 317 } |
322 } | 318 } |
323 | 319 |
324 } // namespace blink | 320 } // namespace blink |
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