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author | Steve Block <steveblock@google.com> | 2011-05-06 11:45:16 +0100 |
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committer | Steve Block <steveblock@google.com> | 2011-05-12 13:44:10 +0100 |
commit | cad810f21b803229eb11403f9209855525a25d57 (patch) | |
tree | 29a6fd0279be608e0fe9ffe9841f722f0f4e4269 /Source/WebCore/editing/TextCheckingHelper.h | |
parent | 121b0cf4517156d0ac5111caf9830c51b69bae8f (diff) | |
download | external_webkit-cad810f21b803229eb11403f9209855525a25d57.zip external_webkit-cad810f21b803229eb11403f9209855525a25d57.tar.gz external_webkit-cad810f21b803229eb11403f9209855525a25d57.tar.bz2 |
Merge WebKit at r75315: Initial merge by git.
Change-Id: I570314b346ce101c935ed22a626b48c2af266b84
Diffstat (limited to 'Source/WebCore/editing/TextCheckingHelper.h')
-rw-r--r-- | Source/WebCore/editing/TextCheckingHelper.h | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/Source/WebCore/editing/TextCheckingHelper.h b/Source/WebCore/editing/TextCheckingHelper.h new file mode 100644 index 0000000..227530f --- /dev/null +++ b/Source/WebCore/editing/TextCheckingHelper.h @@ -0,0 +1,96 @@ +/* + * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved. + * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies) + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public License + * along with this library; see the file COPYING.LIB. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + */ + +#ifndef TextCheckingHelper_h +#define TextCheckingHelper_h + +#include "EditorClient.h" + +namespace WebCore { + +class Range; +class Position; + +class TextCheckingParagraph { +public: + explicit TextCheckingParagraph(PassRefPtr<Range> checkingRange); + ~TextCheckingParagraph(); + + int rangeLength() const; + PassRefPtr<Range> subrange(int characterOffset, int characterCount) const; + int offsetTo(const Position&, ExceptionCode&) const; + void expandRangeToNextEnd(); + + int textLength() const { return text().length(); } + String textSubstring(unsigned pos, unsigned len = UINT_MAX) const { return text().substring(pos, len); } + const UChar* textCharacters() const { return text().characters(); } + UChar textCharAt(int index) const { return text()[index]; } + + bool isEmpty() const; + bool isTextEmpty() const { return text().isEmpty(); } + bool isRangeEmpty() const { return checkingStart() >= checkingEnd(); } + + int checkingStart() const; + int checkingEnd() const; + int checkingLength() const; + String checkingSubstring() const { return textSubstring(checkingStart(), checkingLength()); } + + bool checkingRangeMatches(int location, int length) const { return location == checkingStart() && length == checkingLength(); } + bool isCheckingRangeCoveredBy(int location, int length) const { return location <= checkingStart() && location + length >= checkingStart() + checkingLength(); } + bool checkingRangeCovers(int location, int length) const { return location < checkingEnd() && location + length > checkingStart(); } + PassRefPtr<Range> paragraphRange() const; + +private: + void invalidateParagraphRangeValues(); + PassRefPtr<Range> checkingRange() const { return m_checkingRange; } + PassRefPtr<Range> offsetAsRange() const; + const String& text() const; + + RefPtr<Range> m_checkingRange; + mutable RefPtr<Range> m_paragraphRange; + mutable RefPtr<Range> m_offsetAsRange; + mutable String m_text; + mutable int m_checkingStart; + mutable int m_checkingEnd; + mutable int m_checkingLength; +}; + +class TextCheckingHelper : public Noncopyable { +public: + TextCheckingHelper(EditorClient*, PassRefPtr<Range>); + ~TextCheckingHelper(); + + String findFirstMisspelling(int& firstMisspellingOffset, bool markAll, RefPtr<Range>& firstMisspellingRange); + String findFirstMisspellingOrBadGrammar(bool checkGrammar, bool& outIsSpelling, int& outFirstFoundOffset, GrammarDetail& outGrammarDetail); + String findFirstBadGrammar(GrammarDetail& outGrammarDetail, int& outGrammarPhraseOffset, bool markAll); + int findFirstGrammarDetail(const Vector<GrammarDetail>& grammarDetails, int badGrammarPhraseLocation, int badGrammarPhraseLength, int startOffset, int endOffset, bool markAll); + void markAllMisspellings(RefPtr<Range>& firstMisspellingRange); + void markAllBadGrammar(); + + bool isUngrammatical(Vector<String>& guessesVector) const; + Vector<String> guessesForMisspelledOrUngrammaticalRange(bool checkGrammar, bool& misspelled, bool& ungrammatical) const; +private: + EditorClient* m_client; + RefPtr<Range> m_range; +}; + +} // namespace WebCore + +#endif // TextCheckingHelper_h |