mirror of
https://github.com/ecency/ecency-mobile.git
synced 2024-12-04 17:33:55 +03:00
115 lines
3.9 KiB
C++
115 lines
3.9 KiB
C++
// Boost.Range library
|
|
//
|
|
// Copyright Adam D. Walling 2012. Use, modification and
|
|
// distribution is subject to 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)
|
|
//
|
|
// For more information, see http://www.boost.org/libs/range/
|
|
//
|
|
|
|
#ifndef BOOST_RANGE_ADAPTOR_MFC_MAP_HPP
|
|
#define BOOST_RANGE_ADAPTOR_MFC_MAP_HPP
|
|
|
|
#if !defined(BOOST_RANGE_MFC_NO_CPAIR)
|
|
|
|
#include <boost/range/mfc.hpp>
|
|
#include <boost/range/adaptor/map.hpp>
|
|
|
|
namespace boost
|
|
{
|
|
namespace range_detail
|
|
{
|
|
// CMap and CMapStringToString range iterators return CPair,
|
|
// which has a key and value member. Other MFC range iterators
|
|
// already return adapted std::pair objects. This allows usage
|
|
// of the map_keys and map_values range adaptors with CMap
|
|
// and CMapStringToString
|
|
|
|
// CPair has a VALUE value member, and a KEY key member; we will
|
|
// use VALUE& as the result_type consistent with CMap::operator[]
|
|
|
|
// specialization for CMap
|
|
template<class KEY, class ARG_KEY, class VALUE, class ARG_VALUE>
|
|
struct select_first< CMap<KEY, ARG_KEY, VALUE, ARG_VALUE> >
|
|
{
|
|
typedef BOOST_DEDUCED_TYPENAME CMap<KEY, ARG_KEY, VALUE, ARG_VALUE> map_type;
|
|
typedef BOOST_DEDUCED_TYPENAME range_reference<const map_type>::type argument_type;
|
|
typedef BOOST_DEDUCED_TYPENAME const KEY& result_type;
|
|
|
|
result_type operator()( argument_type r ) const
|
|
{
|
|
return r.key;
|
|
}
|
|
};
|
|
|
|
template<class KEY, class ARG_KEY, class VALUE, class ARG_VALUE>
|
|
struct select_second_mutable< CMap<KEY, ARG_KEY, VALUE, ARG_VALUE> >
|
|
{
|
|
typedef BOOST_DEDUCED_TYPENAME CMap<KEY, ARG_KEY, VALUE, ARG_VALUE> map_type;
|
|
typedef BOOST_DEDUCED_TYPENAME range_reference<map_type>::type argument_type;
|
|
typedef BOOST_DEDUCED_TYPENAME VALUE& result_type;
|
|
|
|
result_type operator()( argument_type r ) const
|
|
{
|
|
return r.value;
|
|
}
|
|
};
|
|
|
|
template<class KEY, class ARG_KEY, class VALUE, class ARG_VALUE>
|
|
struct select_second_const< CMap<KEY, ARG_KEY, VALUE, ARG_VALUE> >
|
|
{
|
|
typedef BOOST_DEDUCED_TYPENAME CMap<KEY, ARG_KEY, VALUE, ARG_VALUE> map_type;
|
|
typedef BOOST_DEDUCED_TYPENAME range_reference<const map_type>::type argument_type;
|
|
typedef BOOST_DEDUCED_TYPENAME const VALUE& result_type;
|
|
|
|
result_type operator()( argument_type r ) const
|
|
{
|
|
return r.value;
|
|
}
|
|
};
|
|
|
|
|
|
// specialization for CMapStringToString
|
|
template<>
|
|
struct select_first< CMapStringToString >
|
|
{
|
|
typedef range_reference<const CMapStringToString>::type argument_type;
|
|
typedef const CString& result_type;
|
|
|
|
result_type operator()( argument_type r ) const
|
|
{
|
|
return r.key;
|
|
}
|
|
};
|
|
|
|
template<>
|
|
struct select_second_mutable< CMapStringToString >
|
|
{
|
|
typedef range_reference<CMapStringToString>::type argument_type;
|
|
typedef CString& result_type;
|
|
|
|
result_type operator()( argument_type r ) const
|
|
{
|
|
return r.value;
|
|
}
|
|
};
|
|
|
|
template<>
|
|
struct select_second_const< CMapStringToString >
|
|
{
|
|
typedef range_reference<const CMapStringToString>::type argument_type;
|
|
typedef const CString& result_type;
|
|
|
|
result_type operator()( argument_type r ) const
|
|
{
|
|
return r.value;
|
|
}
|
|
};
|
|
} // 'range_detail'
|
|
} // 'boost'
|
|
|
|
#endif // !defined(BOOST_RANGE_MFC_NO_CPAIR)
|
|
|
|
#endif
|