Point Cloud Library (PCL)  1.7.0
for_each_type.h
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39 
40 #ifndef PCL_FOR_EACH_TYPE_H_
41 #define PCL_FOR_EACH_TYPE_H_
42 
43 #ifdef __GNUC__
44 #pragma GCC system_header
45 #endif
46 
47 #include <boost/mpl/is_sequence.hpp>
48 #include <boost/mpl/begin_end.hpp>
49 #include <boost/mpl/next_prior.hpp>
50 #include <boost/mpl/deref.hpp>
51 #include <boost/mpl/assert.hpp>
52 #include <boost/mpl/remove_if.hpp>
53 #include <boost/mpl/contains.hpp>
54 #include <boost/mpl/not.hpp>
55 #include <boost/mpl/aux_/unwrap.hpp>
56 #include <boost/type_traits/is_same.hpp>
57 
58 namespace pcl
59 {
60  //////////////////////////////////////////////////////////////////////////////////////////////
61  template <bool done = true>
63  {
64  template<typename Iterator, typename LastIterator, typename F>
65  static void execute (F) {}
66  };
67 
68  //////////////////////////////////////////////////////////////////////////////////////////////
69  template <>
70  struct for_each_type_impl<false>
71  {
72  template<typename Iterator, typename LastIterator, typename F>
73  static void execute (F f)
74  {
75  typedef typename boost::mpl::deref<Iterator>::type arg;
76 
77 #if (defined _WIN32 && defined _MSC_VER)
78  boost::mpl::aux::unwrap (f, 0).operator()<arg> ();
79 #else
80  boost::mpl::aux::unwrap (f, 0).template operator()<arg> ();
81 #endif
82 
83  typedef typename boost::mpl::next<Iterator>::type iter;
85  ::template execute<iter, LastIterator, F> (f);
86  }
87  };
88 
89  //////////////////////////////////////////////////////////////////////////////////////////////
90  template<typename Sequence, typename F> inline void
92  {
93  BOOST_MPL_ASSERT (( boost::mpl::is_sequence<Sequence> ));
94  typedef typename boost::mpl::begin<Sequence>::type first;
95  typedef typename boost::mpl::end<Sequence>::type last;
96  for_each_type_impl<boost::is_same<first, last>::value>::template execute<first, last, F> (f);
97  }
98 
99  //////////////////////////////////////////////////////////////////////////////////////////////
100  template <typename Sequence1, typename Sequence2>
101  struct intersect
102  {
103  typedef typename boost::mpl::remove_if<Sequence1, boost::mpl::not_<boost::mpl::contains<Sequence2, boost::mpl::_1> > >::type type;
104  };
105 }
106 
107 #endif //#ifndef PCL_FOR_EACH_TYPE_H_