mirror of
https://github.com/python-LimeReport/LimeReport.git
synced 2024-12-23 20:22:58 +03:00
60 lines
2.6 KiB
C++
60 lines
2.6 KiB
C++
/***************************************************************************
|
|
* This file is part of the Lime Report project *
|
|
* Copyright (C) 2021 by Alexander Arin *
|
|
* arin_a@bk.ru *
|
|
* *
|
|
** GNU General Public License Usage **
|
|
* *
|
|
* This library 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 3 of the License, or *
|
|
* (at your option) any later version. *
|
|
* You should have received a copy of the GNU General Public License *
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>. *
|
|
* *
|
|
** GNU Lesser General Public License **
|
|
* *
|
|
* This library is free software: you can redistribute it and/or modify *
|
|
* it under the terms of the GNU Lesser General Public License as *
|
|
* published by the Free Software Foundation, either version 3 of the *
|
|
* License, or (at your option) any later version. *
|
|
* You should have received a copy of the GNU Lesser General Public *
|
|
* License along with this library. *
|
|
* If not, see <http://www.gnu.org/licenses/>. *
|
|
* *
|
|
* This library 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. *
|
|
****************************************************************************/
|
|
#ifndef LRSINGLETON_H
|
|
#define LRSINGLETON_H
|
|
|
|
#include <cstdlib>
|
|
|
|
namespace LimeReport{
|
|
|
|
template <typename T>
|
|
class Singleton
|
|
{
|
|
public:
|
|
static T& instance(){
|
|
if (0==inst){
|
|
inst = new T();
|
|
::atexit( destroy );
|
|
} else {};
|
|
return *inst;
|
|
}
|
|
private:
|
|
static T* inst;
|
|
private:
|
|
static void destroy() {
|
|
delete inst;
|
|
}
|
|
};
|
|
|
|
template <typename T>
|
|
T* Singleton< T >::inst =0;
|
|
}
|
|
#endif // LRSINGLETON_H
|