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git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@7593 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
115 lines
3.9 KiB
C++
115 lines
3.9 KiB
C++
// Boost.Range library
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//
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// Copyright Adam D. Walling 2012. Use, modification and
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// distribution is subject to the Boost Software License, Version
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// 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// For more information, see http://www.boost.org/libs/range/
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//
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#ifndef BOOST_RANGE_ADAPTOR_MFC_MAP_HPP
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#define BOOST_RANGE_ADAPTOR_MFC_MAP_HPP
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#if !defined(BOOST_RANGE_MFC_NO_CPAIR)
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#include <boost/range/mfc.hpp>
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#include <boost/range/adaptor/map.hpp>
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namespace boost
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{
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namespace range_detail
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{
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// CMap and CMapStringToString range iterators return CPair,
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// which has a key and value member. Other MFC range iterators
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// already return adapted std::pair objects. This allows usage
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// of the map_keys and map_values range adaptors with CMap
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// and CMapStringToString
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// CPair has a VALUE value member, and a KEY key member; we will
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// use VALUE& as the result_type consistent with CMap::operator[]
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// specialization for CMap
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template<class KEY, class ARG_KEY, class VALUE, class ARG_VALUE>
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struct select_first< CMap<KEY, ARG_KEY, VALUE, ARG_VALUE> >
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{
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typedef BOOST_DEDUCED_TYPENAME CMap<KEY, ARG_KEY, VALUE, ARG_VALUE> map_type;
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typedef BOOST_DEDUCED_TYPENAME range_reference<const map_type>::type argument_type;
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typedef BOOST_DEDUCED_TYPENAME const KEY& result_type;
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result_type operator()( argument_type r ) const
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{
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return r.key;
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}
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};
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template<class KEY, class ARG_KEY, class VALUE, class ARG_VALUE>
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struct select_second_mutable< CMap<KEY, ARG_KEY, VALUE, ARG_VALUE> >
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{
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typedef BOOST_DEDUCED_TYPENAME CMap<KEY, ARG_KEY, VALUE, ARG_VALUE> map_type;
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typedef BOOST_DEDUCED_TYPENAME range_reference<map_type>::type argument_type;
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typedef BOOST_DEDUCED_TYPENAME VALUE& result_type;
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result_type operator()( argument_type r ) const
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{
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return r.value;
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}
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};
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template<class KEY, class ARG_KEY, class VALUE, class ARG_VALUE>
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struct select_second_const< CMap<KEY, ARG_KEY, VALUE, ARG_VALUE> >
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{
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typedef BOOST_DEDUCED_TYPENAME CMap<KEY, ARG_KEY, VALUE, ARG_VALUE> map_type;
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typedef BOOST_DEDUCED_TYPENAME range_reference<const map_type>::type argument_type;
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typedef BOOST_DEDUCED_TYPENAME const VALUE& result_type;
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result_type operator()( argument_type r ) const
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{
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return r.value;
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}
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};
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// specialization for CMapStringToString
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template<>
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struct select_first< CMapStringToString >
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{
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typedef range_reference<const CMapStringToString>::type argument_type;
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typedef const CString& result_type;
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result_type operator()( argument_type r ) const
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{
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return r.key;
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}
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};
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template<>
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struct select_second_mutable< CMapStringToString >
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{
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typedef range_reference<CMapStringToString>::type argument_type;
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typedef CString& result_type;
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result_type operator()( argument_type r ) const
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{
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return r.value;
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}
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};
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template<>
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struct select_second_const< CMapStringToString >
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{
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typedef range_reference<const CMapStringToString>::type argument_type;
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typedef const CString& result_type;
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result_type operator()( argument_type r ) const
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{
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return r.value;
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}
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};
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} // 'range_detail'
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} // 'boost'
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#endif // !defined(BOOST_RANGE_MFC_NO_CPAIR)
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#endif
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