LUMIERA.clone/src/common/appconfig.cpp

87 lines
2.3 KiB
C++

/*
Appconfig - for global initialization and configuration
Copyright (C) CinelerraCV
2007, Christian Thaeter <ct@pipapo.org>
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.
* *****************************************************/
#include "common/appconfig.hpp"
NOBUG_CPP_DEFINE_FLAG(config);
namespace cinelerra
{
/** holds the single instance and triggers initialization */
auto_ptr<Appconfig> Appconfig::theApp_ (0);
#ifndef VERSION
#define VERSION 3++devel
#endif
/** perform initialization on first access.
* A call is placed in static initialization code
* included in cinelerra.h; thus it will happen
* probably very early.
*/
Appconfig::Appconfig()
: configParam_ (new Configmap)
{
//////////
NOBUG_INIT;
//////////
(*configParam_)["version"] = "VERSION";
}
////////////////////////////TODO: ein richtiges utility draus machen....
bool isnil(string val)
{
return 0 == val.length();
};
////////////////////////////TODO
/** access the configuation value for a given key.
* @return empty string for unknown keys, else the corresponding configuration value
*/
string
Appconfig::get (const string & key) throw()
{
try
{
string& val = (*instance().configParam_)[key];
WARN_IF( isnil(val), config, "undefined config parameter \"%s\" requested.", key.c_str());
}
catch (...)
{
ERROR(config, "error while accessing configuration parameter \"%s\".", key.c_str());
}
}
} // namespace cinelerra