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/*
* Copyright © 2008-2010 dragchan <zgchan317@gmail.com>
* This file is part of FbTerm.
*
* 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; either 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#ifndef INSTANCE_H
#define INSTANCE_H
#define DECLARE_INSTANCE(classname) \
public: \
static classname *instance(); \
static void uninstance(); \
protected: \
classname(); \
virtual ~classname(); \
private: \
static classname *createInstance(); \
static classname *mp##classname;
#define DEFINE_INSTANCE(classname) \
classname *classname::mp##classname = 0; \
\
classname *classname::instance() \
{ \
if (!mp##classname) { \
mp##classname = createInstance(); \
} \
\
return mp##classname; \
} \
\
void classname::uninstance() \
{ \
if (mp##classname) { \
delete mp##classname; \
mp##classname = 0; \
} \
}
#define DEFINE_INSTANCE_DEFAULT(classname) \
DEFINE_INSTANCE(classname) \
\
classname *classname::createInstance() \
{ \
return new classname(); \
}
#endif
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