Name	Size	Mode	Actions
iterator_type.hpp	4318	0644	editdlrm
range_segment_iterator.hpp	5243	0644	editdlrm
value_type.hpp	2281	0644	editdlrm

// Boost.Geometry (aka GGL, Generic Geometry Library) // Copyright (c) 2014, Oracle and/or its affiliates. // Contributed and/or modified by Menelaos Karavelas, on behalf of Oracle // Licensed under the Boost Software License version 1.0. // http://www.boost.org/users/license.html #ifndef BOOST_GEOMETRY_ITERATORS_DETAIL_SEGMENT_ITERATOR_RANGE_SEGMENT_ITERATOR_HPP #define BOOST_GEOMETRY_ITERATORS_DETAIL_SEGMENT_ITERATOR_RANGE_SEGMENT_ITERATOR_HPP #include #include #include #include #include #include #include namespace boost { namespace geometry { #ifndef DOXYGEN_NO_DETAIL namespace detail { namespace segment_iterator { template ::value> struct range_iterator_type { typedef typename boost::range_iterator::type type; }; template struct range_iterator_type { typedef closing_iterator type; }; template ::value> struct range_iterator_begin { static inline typename range_iterator_type::type apply(Range& range) { return boost::begin(range); } }; template struct range_iterator_begin { static inline typename range_iterator_type::type apply(Range& range) { return closing_iterator(range); } }; template ::value> struct range_iterator_end { static inline typename range_iterator_type::type apply(Range& range) { return boost::end(range); } }; template struct range_iterator_end { static inline typename range_iterator_type::type apply(Range& range) { return closing_iterator(range, true); } }; template class range_segment_iterator : public boost::iterator_facade < range_segment_iterator, Value, boost::bidirectional_traversal_tag, Reference > { static inline bool has_less_than_two_elements(Range const& r) { return boost::size(r) < ((closure::value == open) ? 1u : 2u); } public: typedef typename range_iterator_type::type iterator_type; // default constructor range_segment_iterator() : m_it(), m_has_less_than_two_elements(false) {} // for begin range_segment_iterator(Range& r) : m_it(range_iterator_begin::apply(r)) , m_has_less_than_two_elements(has_less_than_two_elements(r)) {} // for end range_segment_iterator(Range& r, bool) : m_it(range_iterator_end::apply(r)) , m_has_less_than_two_elements(has_less_than_two_elements(r)) { if (! m_has_less_than_two_elements) { // the range consists of at least two items --m_it; } } template < typename OtherRange, typename OtherValue, typename OtherReference > range_segment_iterator(range_segment_iterator < OtherRange, OtherValue, OtherReference > const& other) : m_it(other.m_it) { typedef typename range_segment_iterator < OtherRange, OtherValue, OtherReference >::iterator_type other_iterator_type; static const bool are_conv = boost::is_convertible::value; BOOST_MPL_ASSERT_MSG((are_conv), NOT_CONVERTIBLE, (types)); } private: friend class boost::iterator_core_access; template friend class range_segment_iterator; inline Reference dereference() const { if (m_has_less_than_two_elements) { return Reference(*m_it, *m_it); } iterator_type next(m_it); ++next; return Reference(*m_it, *next); } template < typename OtherRange, typename OtherValue, typename OtherReference > inline bool equal(range_segment_iterator < OtherRange, OtherValue, OtherReference > const& other) const { return m_it == other.m_it; } inline void increment() { ++m_it; } inline void decrement() { --m_it; } private: iterator_type m_it; bool m_has_less_than_two_elements; }; }} // namespace detail::segment_iterator #endif // DOXYGEN_NO_DETAIL }} // namespace boost::geometry #endif // BOOST_GEOMETRY_ITERATORS_DETAIL_SEGMENT_ITERATOR_RANGE_SEGMENT_ITERATOR_HPP