/**
*  Copyright Mikael Högdahl - triyana@users.sourceforge.com
*
*  This source is distributed under the terms of the Q Public License version 1.0,
*  created by Trolltech (www.trolltech.com).
*/

#ifndef MH_h
#define MH_h

#include "MHUtil.h"

class MHVector;

#ifdef BUGG
    #define MHINCREF aaReference++
    #define MHDECREF aaReference--
    #define ASS(val) if (val == 0) {printf ("ASSERT file=%s   -  line=%d", __FILE__, __LINE__); exit(1);}
    #define ASSERT_POINTER(a) if (a == 0) {sprintf (debugBuffer, "ASSERT file=%s   -  line=%d", __FILE__, __LINE__); throw debugBuffer;}
#else
    #define MHINCREF
    #define MHDECREF
    #define ASS(val)
    #define ASSERT_POINTER(a)
#endif



/**
*  Base object for assorted utility objects.
*  To use the reference counter, define compile flag BUGG to use it,
*  and get number of allocated objects with GetReference method.
*/
class MH {
public:
    enum a {
                            ERR = 0,
                            OK,
    };

                            MH() {MHINCREF;}
    virtual                 ~MH() {MHDECREF;}

    virtual const char*     Class () {return "MH";}
    virtual int             Compare (const MH* o, int f) {return 0;}
    virtual void            Message (const MH* sender, const char* m1 = 0, const char* m2 = 0, const char* m3 = 0, void* m4 = 0) {;}
    virtual const char*     ToString () {return "MH";}
    virtual const char*     HashKey () {return "MH";}

    void                    IsChanged (bool flag) {aDirty = flag;}
    bool                    IsChanged () {return aDirty;}

    static void             ClearChanged (MHVector* ve);
    #ifdef BUGG
    static int              GetReference() {return aaReference;}
    #else
    static int              GetReference() {return -1;}
    #endif
    static bool             IsVectorChanged (MHVector* ve);

private:
    bool                    aDirty;
    #ifdef BUGG
    static int              aaReference;
    #endif
};

#endif