qregexp.h

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/****************************************************************************
** 
**
** Definition of QRegExp class
**
** Created : 950126
**
** Copyright (C) 1992-2000 Trolltech AS.  All rights reserved.
**
** This file is part of the tools module of the Qt GUI Toolkit.
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#ifndef QREGEXP_H
#define QREGEXP_H

#ifndef QT_H
#include "qcstring.h"
#endif // QT_H


class Q_EXPORT QRegExp
{
public:
    QRegExp();
    QRegExp( const QCString &, bool caseSensitive=TRUE, bool wildcard=FALSE );
    QRegExp( const QRegExp & );
   ~QRegExp();
    QRegExp    &operator=( const QRegExp & );
    QRegExp    &operator=( const QCString &pattern );

    bool        operator==( const QRegExp & )  const;
    bool        operator!=( const QRegExp &r ) const
                                        { return !(this->operator==(r)); }

    bool        isEmpty()       const   { return rxdata == 0; }
    bool        isValid()       const   { return error == 0; }

    bool        caseSensitive() const   { return cs; }
    void        setCaseSensitive( bool );

    bool        wildcard()      const   { return wc; }
    void        setWildcard( bool );

    QCString    pattern()       const   { return rxstring; }
    // ### in Qt 3.0, provide a real implementation
    void        setPattern( const QCString& pattern )
                                        { operator=( pattern ); }

    int         match( const QCString &str, int index=0, int *len=0,
                       bool indexIsStart = TRUE ) const;
    int         find( const QCString& str, int index )
                                        { return match( str, index ); }

protected:
    void        compile();
    const char *matchstr( uint *, const char *, uint, const char * ) const;

private:
    QCString    rxstring;                       // regular expression pattern
    uint        *rxdata;                        // compiled regexp pattern
    int         error;                          // error status
    bool        cs;                             // case sensitive
    bool        wc;                             // wildcard
};


#endif // QREGEXP_H