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70 lines
1.9 KiB
70 lines
1.9 KiB
// Boost.Geometry (aka GGL, Generic Geometry Library) |
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// Copyright (c) 2007-2011 Barend Gehrels, Amsterdam, the Netherlands. |
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// Copyright (c) 2008-2011 Bruno Lalande, Paris, France. |
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// Copyright (c) 2009-2011 Mateusz Loskot, London, UK. |
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// Parts of Boost.Geometry are redesigned from Geodan's Geographic Library |
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// (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands. |
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// Use, modification and distribution is subject to the Boost Software License, |
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// Version 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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#ifndef BOOST_GEOMETRY_ITERATORS_BASE_HPP |
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#define BOOST_GEOMETRY_ITERATORS_BASE_HPP |
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#include <boost/iterator.hpp> |
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#include <boost/iterator/iterator_adaptor.hpp> |
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#include <boost/iterator/iterator_categories.hpp> |
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#include <boost/mpl/if.hpp> |
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#ifndef DOXYGEN_NO_DETAIL |
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namespace boost { namespace geometry { namespace detail { namespace iterators |
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{ |
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template |
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< |
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typename DerivedClass, |
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typename Iterator, |
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typename TraversalFlag = boost::bidirectional_traversal_tag |
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> |
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struct iterator_base |
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: public boost::iterator_adaptor |
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< |
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DerivedClass, |
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Iterator, |
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boost::use_default, |
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typename boost::mpl::if_ |
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< |
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boost::is_convertible |
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< |
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typename boost::iterator_traversal<Iterator>::type, |
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boost::random_access_traversal_tag |
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>, |
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TraversalFlag, |
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boost::use_default |
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>::type |
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> |
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{ |
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// Define operator cast to Iterator to be able to write things like Iterator it = myit++ |
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inline operator Iterator() const |
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{ |
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return this->base(); |
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} |
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/*inline bool operator==(Iterator const& other) const |
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{ |
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return this->base() == other; |
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} |
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inline bool operator!=(Iterator const& other) const |
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{ |
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return ! operator==(other); |
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}*/ |
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}; |
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}}}} // namespace boost::geometry::detail::iterators |
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#endif |
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#endif // BOOST_GEOMETRY_ITERATORS_BASE_HPP
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