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132 lines
3.7 KiB
132 lines
3.7 KiB
// |
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// Boost.Pointer Container |
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// |
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// Copyright Thorsten Ottosen 2003-2005. 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/ptr_container/ |
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// |
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#ifndef BOOST_PTR_CONTAINER_MAP_ITERATOR_HPP |
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#define BOOST_PTR_CONTAINER_MAP_ITERATOR_HPP |
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#if defined(_MSC_VER) && (_MSC_VER >= 1200) |
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# pragma once |
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#endif |
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#include <boost/config.hpp> |
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#include <boost/iterator/iterator_adaptor.hpp> |
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#include <boost/utility/compare_pointees.hpp> |
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#include <utility> |
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#if defined(BOOST_MSVC) |
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# pragma warning(push) |
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# pragma warning(disable:4512) // Assignment operator could not be generated. |
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#endif |
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namespace boost |
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{ |
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namespace ptr_container_detail |
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{ |
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template< class F, class S > |
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struct ref_pair |
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{ |
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typedef F first_type; |
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typedef S second_type; |
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const F& first; |
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S second; |
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template< class F2, class S2 > |
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ref_pair( const std::pair<F2,S2>& p ) |
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: first(p.first), second(static_cast<S>(p.second)) |
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{ } |
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template< class RP > |
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ref_pair( const RP* rp ) |
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: first(rp->first), second(rp->second) |
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{ } |
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const ref_pair* const operator->() const |
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{ |
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return this; |
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} |
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friend inline bool operator==( ref_pair l, ref_pair r ) |
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{ |
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return l.first == r.first && |
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boost::equal_pointees( l.second, r.second ); |
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} |
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friend inline bool operator!=( ref_pair l, ref_pair r ) |
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{ |
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return !( l == r ); |
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} |
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friend inline bool operator<( ref_pair l, ref_pair r ) |
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{ |
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if( l.first == r.first ) |
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return boost::less_pointees( l.second, r.second ); |
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else |
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return l.first < r.first; |
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} |
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friend inline bool operator>( ref_pair l, ref_pair r ) |
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{ |
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return r < l; |
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} |
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friend inline bool operator<=( ref_pair l, ref_pair r ) |
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{ |
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return !(r < l); |
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} |
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friend inline bool operator>=( ref_pair l, ref_pair r ) |
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{ |
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return !(l < r); |
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} |
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}; |
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} |
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template< |
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class I, // base iterator |
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class F, // first type, key type |
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class S // second type, mapped type |
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> |
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class ptr_map_iterator : |
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public boost::iterator_adaptor< ptr_map_iterator<I,F,S>, I, |
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ptr_container_detail::ref_pair<F,S>, |
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use_default, |
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ptr_container_detail::ref_pair<F,S> > |
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{ |
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typedef boost::iterator_adaptor< ptr_map_iterator<I,F,S>, I, |
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ptr_container_detail::ref_pair<F,S>, |
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use_default, |
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ptr_container_detail::ref_pair<F,S> > |
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base_type; |
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public: |
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ptr_map_iterator() : base_type() |
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{ } |
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explicit ptr_map_iterator( const I& i ) : base_type(i) |
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{ } |
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template< class I2, class F2, class S2 > |
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ptr_map_iterator( const ptr_map_iterator<I2,F2,S2>& r ) |
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: base_type(r.base()) |
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{ } |
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}; // class 'ptr_map_iterator' |
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} |
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#if defined(BOOST_MSVC) |
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# pragma warning(pop) |
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#endif |
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#endif
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