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123 lines
3.2 KiB
123 lines
3.2 KiB
15 years ago
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// -*- Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil; -*-
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/*
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* filter.h
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*
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* Copyright (C) 2004 Zack Rusin <zack@kde.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*/
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#ifndef KSPELL_FILTER_H
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#define KSPELL_FILTER_H
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#include <qstring.h>
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#include <kdelibs_export.h>
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namespace KSpell2
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{
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class Settings;
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/**
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* Structure abstracts the word and its position in the
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* parent text.
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*
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* @author Zack Rusin <zack@kde.org>
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* @short struct represents word
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*/
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struct Word
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{
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Word() : start( 0 ), end( true )
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{}
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Word( const QString& w, int st, bool e = false )
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: word( w ), start( st ), end( e )
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{}
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Word( const Word& other )
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: word( other.word ), start( other.start ),
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end( other.end )
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{}
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QString word;
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uint start;
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bool end;
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};
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/**
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* Filter is used to split text into words which
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* will be spell checked.
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*
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* @author Zack Rusin <zack@kde.org>
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* @short used to split text into words
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*/
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class KDE_EXPORT Filter
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{
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public:
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static Filter *defaultFilter();
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public:
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Filter();
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virtual ~Filter();
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static Word end();
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/**
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* Sets the Settings object for this Filter
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*/
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void setSettings( Settings* );
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/**
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* Returns currently used Settings object
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*/
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Settings *settings() const;
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bool atEnd() const;
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void setBuffer( const QString& buffer );
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QString buffer() const;
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void restart();
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virtual Word nextWord() const;
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virtual Word previousWord() const;
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virtual Word wordAtPosition( unsigned int pos ) const;
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virtual void setCurrentPosition( int );
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virtual int currentPosition() const;
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virtual void replace( const Word& w, const QString& newWord );
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/**
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* Should return the sentence containing the current word
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*/
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virtual QString context() const;
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protected:
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bool trySkipLinks() const;
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bool ignore( const QString& word ) const;
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QChar skipToLetter( uint &fromPosition ) const;
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bool shouldBeSkipped( bool wordWasUppercase, bool wordWasRunTogether,
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const QString& foundWord ) const;
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protected:
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QString m_buffer;
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mutable uint m_currentPosition;
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private:
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class Private;
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Private *d;
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};
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}
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#endif
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