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/*
* UltraStar Deluxe - Karaoke Game
*
* UltraStar Deluxe is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#ifndef BOOL_TRANSLATOR_HPP
#define BOOL_TRANSLATOR_HPP
#include <boost/algorithm/string/predicate.hpp>
namespace usdx
{
struct BoolTranslator
{
typedef std::string internal_type;
typedef bool external_type;
boost::optional<external_type> get_value(const internal_type& str)
{
if (!str.empty())
{
if (boost::algorithm::iequals(str, "true")
|| boost::algorithm::iequals(str, "yes")
|| str == "1")
return boost::optional<external_type>(true);
else
return boost::optional<external_type>(false);
}
else
return boost::optional<external_type>(boost::none);
}
boost::optional<internal_type> put_value(const external_type& b)
{
return boost::optional<internal_type>(b ? "true" : "false");
}
};
}
namespace boost {
namespace property_tree {
template<typename Ch, typename Traits, typename Alloc>
struct translator_between<std::basic_string< Ch, Traits, Alloc >, bool>
{
typedef usdx::BoolTranslator type;
};
}
}
#endif
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