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MatchBox.C
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C/C++ Source or Header
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1998-11-23
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2KB
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69 lines
// $Id: MatchBox.C,v 1.9 1998/11/23 17:43:30 zeller Exp $
// Matching 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>.
char MatchBox_rcsid[] =
"$Id: MatchBox.C,v 1.9 1998/11/23 17:43:30 zeller Exp $";
#ifdef __GNUG__
#pragma implementation
#endif
#include "assert.h"
#include "MatchBox.h"
DEFINE_TYPE_INFO_1(MatchBox, DummyBox)
// MatchBox
MatchBoxFunc MatchBox::matchCallback = 0;
// Call callback during matching
bool MatchBox::matches (const Box &box, const Box *callbackArg) const
{
bool ret = matchesAll ||
DummyBox::matches(box) &&
_data == ((MatchBox *)&box)->_data; // dirty trick
if (ret && matchCallback)
{
if (callbackArg == 0)
callbackArg = &box;
matchCallback(_data, callbackArg);
}
return ret;
}
// Dump
void MatchBox::dump(ostream& s) const
{
s << "<" << _data << ">";
}