| /* |
| * 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 "platform/heap/Handle.h" |
| #include "platform/text/TextChecking.h" |
| #include "wtf/text/WTFString.h" |
| |
| namespace blink { |
| |
| class ExceptionState; |
| class LocalFrame; |
| class Range; |
| class Position; |
| class SpellCheckerClient; |
| class TextCheckerClient; |
| struct TextCheckingResult; |
| |
| class TextCheckingParagraph { |
| STACK_ALLOCATED(); |
| public: |
| explicit TextCheckingParagraph(PassRefPtrWillBeRawPtr<Range> checkingRange); |
| TextCheckingParagraph(PassRefPtrWillBeRawPtr<Range> checkingRange, PassRefPtrWillBeRawPtr<Range> paragraphRange); |
| ~TextCheckingParagraph(); |
| |
| int rangeLength() const; |
| PassRefPtrWillBeRawPtr<Range> subrange(int characterOffset, int characterCount) const; |
| int offsetTo(const Position&, ExceptionState&) const; |
| void expandRangeToNextEnd(); |
| |
| const String& text() const; |
| // Why not let clients call these functions on text() themselves? |
| String textSubstring(unsigned pos, unsigned len = INT_MAX) const { return text().substring(pos, len); } |
| UChar textCharAt(int index) const { return text()[static_cast<unsigned>(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 checkingRangeCovers(int location, int length) const { return location < checkingEnd() && location + length > checkingStart(); } |
| PassRefPtrWillBeRawPtr<Range> paragraphRange() const; |
| PassRefPtrWillBeRawPtr<Range> checkingRange() const { return m_checkingRange; } |
| |
| private: |
| void invalidateParagraphRangeValues(); |
| PassRefPtrWillBeRawPtr<Range> offsetAsRange() const; |
| |
| RefPtrWillBeMember<Range> m_checkingRange; |
| mutable RefPtrWillBeMember<Range> m_paragraphRange; |
| mutable RefPtrWillBeMember<Range> m_offsetAsRange; |
| mutable String m_text; |
| mutable int m_checkingStart; |
| mutable int m_checkingEnd; |
| mutable int m_checkingLength; |
| }; |
| |
| class TextCheckingHelper { |
| WTF_MAKE_NONCOPYABLE(TextCheckingHelper); |
| STACK_ALLOCATED(); |
| public: |
| TextCheckingHelper(SpellCheckerClient&, PassRefPtrWillBeRawPtr<Range>); |
| ~TextCheckingHelper(); |
| |
| String findFirstMisspelling(int& firstMisspellingOffset, bool markAll, RefPtrWillBeRawPtr<Range>& firstMisspellingRange); |
| String findFirstMisspellingOrBadGrammar(bool checkGrammar, bool& outIsSpelling, int& outFirstFoundOffset, GrammarDetail& outGrammarDetail); |
| String findFirstBadGrammar(GrammarDetail& outGrammarDetail, int& outGrammarPhraseOffset, bool markAll); |
| void markAllMisspellings(RefPtrWillBeRawPtr<Range>& firstMisspellingRange); |
| void markAllBadGrammar(); |
| |
| private: |
| SpellCheckerClient* m_client; |
| RefPtrWillBeMember<Range> m_range; |
| |
| int findFirstGrammarDetail(const Vector<GrammarDetail>& grammarDetails, int badGrammarPhraseLocation, int startOffset, int endOffset, bool markAll) const; |
| bool unifiedTextCheckerEnabled() const; |
| }; |
| |
| void checkTextOfParagraph(TextCheckerClient&, const String&, TextCheckingTypeMask, Vector<TextCheckingResult>&); |
| |
| bool unifiedTextCheckerEnabled(const LocalFrame*); |
| |
| } // namespace blink |
| |
| #endif // TextCheckingHelper_h |