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43 lines
970 B
C++
43 lines
970 B
C++
// Copyright David Abrahams 2004. Use, modification and distribution is
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// subject to the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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#ifndef NODE_ITERATOR1_DWA2004110_HPP
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# define NODE_ITERATOR1_DWA2004110_HPP
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# include "node.hpp"
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# include <boost/iterator/iterator_facade.hpp>
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class node_iterator
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: public boost::iterator_facade<
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node_iterator
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, node_base
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, boost::forward_traversal_tag
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>
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{
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public:
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node_iterator()
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: m_node(0)
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{}
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explicit node_iterator(node_base* p)
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: m_node(p)
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{}
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private:
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friend class boost::iterator_core_access;
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void increment()
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{ m_node = m_node->next(); }
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bool equal(node_iterator const& other) const
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{ return this->m_node == other.m_node; }
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node_base& dereference() const
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{ return *m_node; }
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node_base* m_node;
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};
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#endif // NODE_ITERATOR1_DWA2004110_HPP
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