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//=========================================================
// MusE
// Linux Music Editor
// $Id: evdata.h,v 1.2.2.2 2008/08/18 00:15:23 terminator356 Exp $
//
// (C) Copyright 1999-2003 Werner Schweer (ws@seh.de)
//
// This program 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; version 2 of
// the License, or (at your option) any later version.
//
// This program 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 this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
//=========================================================
#ifndef __EVDATA_H__
#define __EVDATA_H__
#include <string.h>
namespace MusECore {
//---------------------------------------------------------
// EvData
// variable len event data (sysex, meta etc.)
//---------------------------------------------------------
class EvData {
int* refCount;
public:
unsigned char* data;
int dataLen;
EvData() {
data = 0;
dataLen = 0;
refCount = new int(1);
}
EvData(const EvData& ed) {
data = ed.data;
dataLen = ed.dataLen;
refCount = ed.refCount;
(*refCount)++;
}
EvData& operator=(const EvData& ed) {
if (data == ed.data)
return *this;
if (--(*refCount) == 0) {
delete refCount;
if(data)
delete[] data;
}
data = ed.data;
dataLen = ed.dataLen;
refCount = ed.refCount;
(*refCount)++;
return *this;
}
~EvData() {
if (--(*refCount) == 0) {
if(data)
{
delete[] data;
data = 0;
}
if(refCount)
{
delete refCount;
refCount = 0;
}
}
}
void setData(const unsigned char* p, int l) {
if(data)
delete[] data; // p4.0.27
data = new unsigned char[l];
memcpy(data, p, l);
dataLen = l;
}
};
} // namespace MusECore
#endif
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