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/*
* Copyright (c) 2002-2004 Jesper K. Pedersen <blackie@kde.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License version 2 as published by the Free Software Foundation.
*
* 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 REGEXPCONVERTER_H
#define REGEXPCONVERTER_H
#include <tqstring.h>
#include <tqvaluelist.h>
class TQTextEdit;
class AltnRegExp;
class ConcRegExp;
class LookAheadRegExp;
class TextRangeRegExp;
class CompoundRegExp;
class DotRegExp;
class PositionRegExp;
class RepeatRegExp;
class TextRegExp;
class RegexpHighlighter;
class RegExp;
class RegExpConverter
{
public:
enum Features {
WordBoundary = 0x01,
NonWordBoundary = 0x02,
WordStart = 0x04,
WordEnd = 0x08,
PosLookAhead = 0x10,
NegLookAhead = 0x20,
CharacterRangeNonItems = 0x40,
ExtRange = 0x80
};
virtual bool canParse() = 0;
virtual TQString name() = 0;
virtual int features() = 0;
virtual RegExp* parse( const TQString&, bool* ok );
TQString toStr( RegExp*, bool markSelection );
virtual RegexpHighlighter* highlighter( TQTextEdit* );
static void setCurrent( RegExpConverter* );
static RegExpConverter* current();
protected:
virtual TQString toString( AltnRegExp*, bool markSelection ) = 0;
virtual TQString toString( ConcRegExp*, bool markSelection ) = 0;
virtual TQString toString( LookAheadRegExp*, bool markSelection ) = 0;
virtual TQString toString( TextRangeRegExp*, bool markSelection ) = 0;
virtual TQString toString( CompoundRegExp*, bool markSelection ) = 0;
virtual TQString toString( DotRegExp*, bool markSelection ) = 0;
virtual TQString toString( PositionRegExp*, bool markSelection ) = 0;
virtual TQString toString( RepeatRegExp*, bool markSelection ) = 0;
virtual TQString toString( TextRegExp*, bool markSelection ) = 0;
TQString escape( TQString text, TQValueList<TQChar> chars, TQChar escapeChar) const;
private:
static RegExpConverter* _current;
};
#endif /* REGEXPCONVERTER_H */
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