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UndoBE.C
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1998-11-17
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// $Id: UndoBE.C,v 1.7 1998/11/17 10:05:34 zeller Exp $ -*- C++ -*-
// Undo Buffer Entry
// Copyright (C) 1998 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 UndoBufferEntry_rcsid[] =
"$Id: UndoBE.C,v 1.7 1998/11/17 10:05:34 zeller Exp $";
#ifdef __GNUG__
#pragma implementation
#pragma implementation "DynArray.h"
#pragma implementation "VarArray.h"
#endif
#include "UndoBE.h"
bool UndoBufferEntry::operator == (const UndoBufferEntry& entry) const
{
if (&entry == this)
return true;
StringStringAssocIter iter1(*this);
StringStringAssocIter iter2(entry);
// This assumes both Assocs have the same ordering.
while (iter1.ok() && iter2.ok())
{
if (iter1.key() != iter2.key())
return false; // Differing keys
if (iter1.value() != iter2.value())
return false; // Differing values
iter1++;
iter2++;
}
if (iter1.ok())
return false; // Still keys/values in THIS
if (iter2.ok())
return false; // Still keys/values in ENTRY
return true;
}
int UndoBufferEntry::allocation() const
{
StringStringAssocIter iter(*this);
int alloc = sizeof(*this);
while (iter.ok())
{
alloc += iter.key().allocation();
alloc += iter.value().allocation();
iter++;
}
return alloc;
}