/home/raskolnikov/dev/psynth/trunk/src/psynth/base/option_conf.hpp

Go to the documentation of this file.

/*
 *  Copyright (C) 2007, 2009 Juan Pedro Bolívar Puente
 *
 *  This file is part of Psychosynth.
 *   
 *  Psychosynth 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.
 *
 *  Psychosynth 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, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef PSYNTH_OPTIONCONF_H
#define PSYNTH_OPTIONCONF_H

#include <sstream>

#include <psynth/base/arg_parser.hpp>
#include <psynth/base/config.hpp>

namespace psynth
{
namespace base
{

template <class T>
class option_conf : public option
{
    conf_node& m_node;
    
public:
    option_conf(conf_node& node) :
        m_node(node) {}

    bool parse(const char* arg)
    {
        T val;
        std::istringstream str(arg);
        str >> val;
        m_node.set(val);
        
        return true;
    }
};

template <>
class option_conf<std::string> : public option
{
    conf_node& m_node;
    
public:
    option_conf(conf_node& node) :
        m_node(node) {}

    bool parse(const char* arg)
    {
        m_node.set (std::string(arg));
        return true;
    }
};

template<class T>
class option_conf_value : public option
{
public:
    option_conf_value(const T& val, conf_node& node) :
        m_val(val), m_node(node) {}

    bool parse()
    {
        m_node.set(m_val);
        return true;
    }

private:
    T m_val;
    conf_node& m_node;
};

} /* namespace base */
} /* namespace psynth */

#endif /* PSYNTH_OPTION_CONF_H */