Chris@16: // Boost.Geometry (aka GGL, Generic Geometry Library)
Chris@16: 
Chris@16: // Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
Chris@16: // Copyright (c) 2008-2012 Bruno Lalande, Paris, France.
Chris@16: // Copyright (c) 2009-2012 Mateusz Loskot, London, UK.
Chris@16: 
Chris@16: // Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
Chris@16: // (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
Chris@16: 
Chris@16: // Use, modification and distribution is subject to the Boost Software License,
Chris@16: // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
Chris@16: // http://www.boost.org/LICENSE_1_0.txt)
Chris@16: 
Chris@16: #ifndef BOOST_GEOMETRY_ITERATORS_BASE_HPP
Chris@16: #define BOOST_GEOMETRY_ITERATORS_BASE_HPP
Chris@16: 
Chris@16: #include <boost/iterator.hpp>
Chris@16: #include <boost/iterator/iterator_adaptor.hpp>
Chris@16: #include <boost/iterator/iterator_categories.hpp>
Chris@16: #include <boost/mpl/if.hpp>
Chris@16: 
Chris@16: #ifndef DOXYGEN_NO_DETAIL
Chris@16: namespace boost { namespace geometry { namespace detail { namespace iterators
Chris@16: {
Chris@16: 
Chris@16: template
Chris@16: <
Chris@16:     typename DerivedClass,
Chris@16:     typename Iterator,
Chris@16:     typename TraversalFlag = boost::bidirectional_traversal_tag
Chris@16: >
Chris@16: struct iterator_base
Chris@16:     : public boost::iterator_adaptor
Chris@16:     <
Chris@16:         DerivedClass,
Chris@16:         Iterator,
Chris@16:         boost::use_default,
Chris@16:         typename boost::mpl::if_
Chris@16:         <
Chris@16:             boost::is_convertible
Chris@16:             <
Chris@16:                 typename boost::iterator_traversal<Iterator>::type,
Chris@16:                 boost::random_access_traversal_tag
Chris@16:             >,
Chris@16:             TraversalFlag,
Chris@16:             boost::use_default
Chris@16:         >::type
Chris@16:     >
Chris@16: {
Chris@16:     // Define operator cast to Iterator to be able to write things like Iterator it = myit++
Chris@16:     inline operator Iterator() const
Chris@16:     {
Chris@16:         return this->base();
Chris@16:     }
Chris@16: 
Chris@16:     /*inline bool operator==(Iterator const& other) const
Chris@16:     {
Chris@16:         return this->base() == other;
Chris@16:     }
Chris@16:     inline bool operator!=(Iterator const& other) const
Chris@16:     {
Chris@16:         return ! operator==(other);
Chris@16:     }*/
Chris@16: };
Chris@16: 
Chris@16: }}}} // namespace boost::geometry::detail::iterators
Chris@16: #endif
Chris@16: 
Chris@16: 
Chris@16: #endif // BOOST_GEOMETRY_ITERATORS_BASE_HPP