/*
 * 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 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;
    PassRefPtr<Range> paragraphAlignedRange(int& offsetIntoParagraphAlignedRange, String& paragraphString) const;
private:
    EditorClient* m_client;
    RefPtr<Range> m_range;
};

} // namespace WebCore

#endif // TextCheckingHelper_h