qregexp.h

/****************************************************************************
** $Id: qregexp.h,v 2.3.2.1 1998/08/19 16:02:37 agulbra Exp $
**
** Definition of QRegExp class
**
** Created : 950126
**
** Copyright (C) 1992-1998 Troll Tech AS.  All rights reserved.
**
** This file is part of Qt Free Edition, version 1.42.
**
** See the file LICENSE included in the distribution for the usage
** and distribution terms, or http://www.troll.no/free-license.html.
**
** IMPORTANT NOTE: You may NOT copy this file or any part of it into
** your own programs or libraries.
**
** Please see http://www.troll.no/pricing.html for information about 
** Qt Professional Edition, which is this same library but with a
** license which allows creation of commercial/proprietary software.
**
*****************************************************************************/

#ifndef QREGEXP_H
#define QREGEXP_H

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


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

    const char *pattern()       const   { return (const char *)rxstring; }

    int         match( const char *str, int index=0, int *len=0 ) const;

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

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


#endif // QREGEXP_H