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DummyBox.h
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1998-11-23
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// $Id: DummyBox.h,v 1.9 1998/11/23 15:00:19 zeller Exp $
// `Dummy' boxes (for pattern matching)
// Copyright (C) 1995 Technische Universitaet Braunschweig, Germany.
// Written by Andreas Zeller <zeller@ips.cs.tu-bs.de>.
//
// This file is part of DDD.
//
// DDD is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// DDD 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public
// License along with DDD -- see the file COPYING.
// If not, write to the Free Software Foundation, Inc.,
// 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
// DDD is the data display debugger.
// For details, see the DDD World-Wide-Web page,
// `http://www.cs.tu-bs.de/softech/ddd/',
// or send a mail to the DDD developers <ddd@ips.cs.tu-bs.de>.
#ifndef _DDD_DummyBox_h
#define _DDD_DummyBox_h
#ifdef __GNUG__
#pragma interface
#endif
// A DummyBox is used in pattern matching.
// If `DummyBox::matchesAll' is set, a DummyBox matches any other box
// (otherwise, only another DummyBox).
#include "strclass.h"
#include "bool.h"
#include "Box.h"
#include "Widget.h"
#include "ListBox.h"
// DummyBox
// A DummyBox is derived from ListBox, such that we can match Lists.
class DummyBox: public ListBox {
public:
DECLARE_TYPE_INFO
protected:
// Copy
DummyBox(const DummyBox& box):
ListBox(box)
{}
void dump(ostream& s) const;
bool matches (const Box &b, const Box *callbackArg = 0) const;
public:
// Constructor
DummyBox(char *t = "DummyBox"):
ListBox(t)
{}
Box *dup() const { return new DummyBox(*this); }
static bool matchesAll; // Flag: match all?
bool isDummyBox() const { return true; }
};
#endif