include/core/match.h

/*
 * Copyright © 2008 Dennis Kasprzyk
 * Copyright © 2007 Novell, Inc.
 *
 * Permission to use, copy, modify, distribute, and sell this software
 * and its documentation for any purpose is hereby granted without
 * fee, provided that the above copyright notice appear in all copies
 * and that both that copyright notice and this permission notice
 * appear in supporting documentation, and that the name of
 * Dennis Kasprzyk not be used in advertising or publicity pertaining to
 * distribution of the software without specific, written prior permission.
 * Dennis Kasprzyk makes no representations about the suitability of this
 * software for any purpose. It is provided "as is" without express or
 * implied warranty.
 *
 * DENNIS KASPRZYK DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
 * NO EVENT SHALL DENNIS KASPRZYK BE LIABLE FOR ANY SPECIAL, INDIRECT OR
 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
 * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
 * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
 * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *
 * Authors: Dennis Kasprzyk <onestone@compiz-fusion.org>
 *          David Reveman <davidr@novell.com>
 */

#ifndef _COMPMATCH_H
#define _COMPMATCH_H

#include <core/core.h>

class PrivateMatch;
class CompWindow;
class CompDisplay;

class CompMatch {
    public:
    
        class Expression {
            public:
                virtual ~Expression () {};
                virtual bool evaluate (CompWindow *window) = 0;
        };

    public:
        CompMatch ();
        CompMatch (const CompString);
        CompMatch (const CompMatch &);
        ~CompMatch ();

        static const CompMatch emptyMatch;

        void update ();
        
        bool evaluate (CompWindow *window);

        CompString toString () const;
        bool isEmpty () const;

        CompMatch & operator= (const CompMatch &);
        CompMatch & operator&= (const CompMatch &);
        CompMatch & operator|= (const CompMatch &);

        const CompMatch & operator& (const CompMatch &);
        const CompMatch & operator| (const CompMatch &);
        const CompMatch & operator! ();

        CompMatch & operator= (const CompString &);
        CompMatch & operator&= (const CompString &);
        CompMatch & operator|= (const CompString &);

        const CompMatch & operator& (const CompString &);
        const CompMatch & operator| (const CompString &);

        bool operator== (const CompMatch &) const;
        bool operator!= (const CompMatch &) const;

    private:
        PrivateMatch *priv;
};

#endif

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