Category : OS/2 Files
Archive   : GPPDEV8F.ZIP
Filename : XPBAG.HP

// This may look like C code, but it is really -*- C++ -*-
/*
Copyright (C) 1988 Free Software Foundation
written by Doug Lea ([email protected])

This file is part of the GNU C++ Library. This library is free
software; you can redistribute it and/or modify it under the terms of
the GNU Library General Public License as published by the Free
Software Foundation; either version 2 of the License, or (at your
option) any later version. 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; if not, write to the Free Software
Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*/


#ifndef _XPBag_h
#ifdef __GNUG__
#pragma interface
#endif
#define _XPBag_h 1

#include ".Bag.h"
#include ".XPlex.h"

class XPBag : public Bag
{
protected:
XPlex p;

public:
XPBag(int chunksize = DEFAULT_INITIAL_CAPACITY);
XPBag(const XPBag&);

Pix add( item);
void del( item);
void remove(item);
int nof( item);
int contains( item);

void clear();

Pix first();
void next(Pix& i);
& operator () (Pix i);
int owns(Pix i);
Pix seek( item, Pix from = 0);

int OK();
};


inline XPBag::XPBag(int chunksize)
: p(chunksize) { count = 0; }

inline XPBag::XPBag(const XPBag& s) : p(s.p) { count = s.count; }

inline Pix XPBag::first()
{
return p.first();
}

inline void XPBag::next(Pix & idx)
{
p.next(idx);
}

inline & XPBag::operator ()(Pix idx)
{
return p(idx);
}

inline void XPBag::clear()
{
count = 0; p.clear();
}

inline int XPBag::owns (Pix idx)
{
return p.owns(idx);
}

inline Pix XPBag::add( item)
{
++count;
return p.index_to_Pix(p.add_high(item));
}

inline int XPBag::contains( item)
{
return seek(item) != 0;
}

#endif