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/*
Copyright (C) 2010 Paul Davis
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 __libpbd_epa_h__
#define __libpbd_epa_h__
#include <map>
#include <string>
#include "pbd/libpbd_visibility.h"
namespace PBD {
class LIBPBD_API EnvironmentalProtectionAgency {
public:
EnvironmentalProtectionAgency (bool arm = true, const std::string& envname = std::string());
~EnvironmentalProtectionAgency ();
void arm ();
void save ();
void restore () const;
static EnvironmentalProtectionAgency* get_global_epa () { return _global_epa; }
static void set_global_epa (EnvironmentalProtectionAgency* epa) { _global_epa = epa; }
private:
void clear () const;
bool _armed;
std::string _envname;
std::map<std::string,std::string> e;
static EnvironmentalProtectionAgency* _global_epa;
};
}
#endif /* __libpbd_epa_h__ */
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