// Boost.Bimap | |
// | |
// Copyright (c) 2006-2007 Matias Capeletto | |
// | |
// Distributed under the Boost Software License, Version 1.0. | |
// (See accompanying file LICENSE_1_0.txt or copy at | |
// http://www.boost.org/LICENSE_1_0.txt) | |
/// \file container_adaptor/detail/comparison_adaptor.hpp | |
/// \brief Comparison adaptor. | |
#ifndef BOOST_BIMAP_CONTAINER_ADAPTOR_DETAIL_COMPARISON_ADAPTOR_HPP | |
#define BOOST_BIMAP_CONTAINER_ADAPTOR_DETAIL_COMPARISON_ADAPTOR_HPP | |
#if defined(_MSC_VER) && (_MSC_VER>=1200) | |
#pragma once | |
#endif | |
#include <boost/config.hpp> | |
#include <boost/call_traits.hpp> | |
#include <functional> | |
namespace boost { | |
namespace bimaps { | |
namespace container_adaptor { | |
namespace detail { | |
/// \brief Comparison adaptor | |
/** | |
A simple comparison adaptor. | |
**/ | |
template < class Compare, class NewType, class Converter > | |
struct comparison_adaptor : std::binary_function<NewType,NewType,bool> | |
{ | |
comparison_adaptor( const Compare & comp, const Converter & conv) | |
: compare(comp), converter(conv) {} | |
bool operator()( BOOST_DEDUCED_TYPENAME call_traits<NewType>::param_type x, | |
BOOST_DEDUCED_TYPENAME call_traits<NewType>::param_type y) const | |
{ | |
return compare( converter(x), converter(y) ); | |
} | |
private: | |
Compare compare; | |
Converter converter; | |
}; | |
template < class Compare, class NewType, class Converter > | |
struct compatible_comparison_adaptor : std::binary_function<NewType,NewType,bool> | |
{ | |
compatible_comparison_adaptor( const Compare & comp, const Converter & conv) | |
: compare(comp), converter(conv) {} | |
template< class CompatibleTypeLeft, class CompatibleTypeRight > | |
bool operator()( const CompatibleTypeLeft & x, | |
const CompatibleTypeRight & y) const | |
{ | |
return compare( converter(x), converter(y) ); | |
} | |
private: | |
Compare compare; | |
Converter converter; | |
}; | |
/// \brief Unary Check adaptor | |
/** | |
A simple unary check adaptor. | |
**/ | |
template < class Compare, class NewType, class Converter > | |
struct unary_check_adaptor : std::unary_function<NewType,bool> | |
{ | |
unary_check_adaptor( const Compare & comp, const Converter & conv ) : | |
compare(comp), converter(conv) {} | |
bool operator()( BOOST_DEDUCED_TYPENAME call_traits<NewType>::param_type x) const | |
{ | |
return compare( converter(x) ); | |
} | |
private: | |
Compare compare; | |
Converter converter; | |
}; | |
} // namespace detail | |
} // namespace container_adaptor | |
} // namespace bimaps | |
} // namespace boost | |
#endif // BOOST_BIMAP_CONTAINER_ADAPTOR_DETAIL_COMPARISON_ADAPTOR_HPP | |