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70 lines
1.7 KiB
C++
70 lines
1.7 KiB
C++
/* Copyright (C) 2014 InfiniDB, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; version 2 of
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the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA. */
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/*****************************************************************************
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* $Id: undoable.cpp 1823 2013-01-21 14:13:09Z rdempsey $
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*
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****************************************************************************/
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#include <stdexcept>
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#define UNDOABLE_DLLEXPORT
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#include "undoable.h"
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#undef UNDOABLE_DLLEXPORT
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using namespace std;
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namespace BRM
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{
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Undoable::Undoable()
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{
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}
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Undoable::~Undoable()
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{
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}
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inline void Undoable::makeUndoRecord(void* start, int size)
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{
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ImageDelta d;
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if (size > ID_MAXSIZE)
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throw overflow_error("Undoable::makeUndoRecord(): size > max");
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d.start = start;
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d.size = size;
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memcpy(d.data, start, size);
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undoRecords.push_back(d);
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}
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void Undoable::undoChanges()
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{
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vector<ImageDelta>::reverse_iterator it;
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for (it = undoRecords.rbegin(); it != undoRecords.rend(); it++)
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memcpy((*it).start, (*it).data, (*it).size);
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undoRecords.clear();
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}
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void Undoable::confirmChanges()
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{
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undoRecords.clear();
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}
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} // namespace BRM
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