[857] | 1 | /* Copyright 2003-2005 Joaquín M López Muñoz.
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| 2 | * Distributed under the Boost Software License, Version 1.0.
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| 3 | * (See accompanying file LICENSE_1_0.txt or copy at
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| 4 | * http://www.boost.org/LICENSE_1_0.txt)
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| 5 | *
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| 6 | * See http://www.boost.org/libs/multi_index for library home page.
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| 7 | */
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| 8 |
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| 9 | #ifndef BOOST_MULTI_INDEX_DETAIL_INDEX_PROXY_HPP
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| 10 | #define BOOST_MULTI_INDEX_DETAIL_INDEX_PROXY_HPP
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| 11 |
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| 12 | #if defined(_MSC_VER)&&(_MSC_VER>=1200)
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| 13 | #pragma once
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| 14 | #endif
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| 15 |
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| 16 | #if defined(BOOST_MULTI_INDEX_ENABLE_SAFE_MODE)
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| 17 | #include <boost/config.hpp> /* keep it first to prevent nasty warns in MSVC */
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| 18 | #include <boost/detail/workaround.hpp>
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| 19 |
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| 20 | #if BOOST_WORKAROUND(BOOST_MSVC,<1300)
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| 21 | #include <algorithm>
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| 22 | #include <boost/multi_index/detail/index_iterator_fwd.hpp>
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| 23 | #include <boost/multi_index/detail/safe_mode.hpp>
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| 24 |
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| 25 | namespace boost{
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| 26 |
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| 27 | namespace multi_index{
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| 28 |
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| 29 | namespace detail{
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| 30 |
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| 31 | /* In safe mode, index iterators are derived from safe_iterator<Index>,
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| 32 | * where Index is the type of the index where the iterator belongs. Due
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| 33 | * to the long symbol names of indices, MSVC++ 6.0 often issues a
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| 34 | * LNK1179 (duplicate comdat) error. To workaround this problem,
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| 35 | * index_proxy is used instead. index_proxy<Node> acts as an index
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| 36 | * over nodes of type Node in all aspects relevant to safe_iterator, and
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| 37 | * its shorter symbol name makes life easier for MSVC++ 6.0.
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| 38 | */
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| 39 |
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| 40 | template<typename Node>
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| 41 | class index_proxy:public safe_container<index_proxy<Node> >
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| 42 | {
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| 43 | protected:
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| 44 | index_proxy(Node* header_):header(header_){}
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| 45 |
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| 46 | void swap(index_proxy<Node>& x)
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| 47 | {
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| 48 | std::swap(header,x.header);
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| 49 | safe_container<index_proxy<Node> >::swap(x);
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| 50 | }
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| 51 |
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| 52 | public:
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| 53 | typedef index_iterator<Node> iterator;
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| 54 | typedef index_iterator<Node> const_iterator;
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| 55 |
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| 56 | index_iterator<Node> begin()const
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| 57 | {
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| 58 | return index_iterator<Node>(
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| 59 | Node::begin(header),const_cast<index_proxy*>(this));
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| 60 | }
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| 61 |
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| 62 | index_iterator<Node> end()const
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| 63 | {
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| 64 | return index_iterator<Node>(
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| 65 | Node::end(header),const_cast<index_proxy*>(this));
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| 66 | }
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| 67 |
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| 68 | private:
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| 69 | Node* header;
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| 70 | };
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| 71 |
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| 72 | } /* namespace multi_index::detail */
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| 73 |
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| 74 | } /* namespace multi_index */
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| 75 |
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| 76 | } /* namespace boost */
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| 77 |
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| 78 | #endif /* workaround */
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| 79 |
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| 80 | #endif /* BOOST_MULTI_INDEX_ENABLE_SAFE_MODE */
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| 81 |
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| 82 | #endif
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