for_each_type.h
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00001 /*
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00036  * $Id: for_each_type.h 4950 2012-03-07 20:40:03Z bouffa $
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00039 
00040 #ifndef PCL_FOR_EACH_TYPE_H_
00041 #define PCL_FOR_EACH_TYPE_H_
00042 
00043 #include <boost/mpl/is_sequence.hpp>
00044 #include <boost/mpl/begin_end.hpp>
00045 #include <boost/mpl/next_prior.hpp>
00046 #include <boost/mpl/deref.hpp>
00047 #include <boost/mpl/assert.hpp>
00048 #include <boost/mpl/remove_if.hpp>
00049 #include <boost/mpl/contains.hpp>
00050 #include <boost/mpl/not.hpp>
00051 #include <boost/mpl/aux_/unwrap.hpp>
00052 #include <boost/type_traits/is_same.hpp>
00053 
00054 #ifdef __GNUC__
00055 #pragma GCC system_header 
00056 #endif
00057 
00058 namespace pcl 
00059 {
00061   template <bool done = true>
00062   struct for_each_type_impl
00063   {
00064     template<typename Iterator, typename LastIterator, typename F>
00065     static void execute (F) {}
00066   };
00067 
00069   template <>
00070   struct for_each_type_impl<false>
00071   {
00072     template<typename Iterator, typename LastIterator, typename F>
00073     static void execute (F f)
00074     {
00075       typedef typename boost::mpl::deref<Iterator>::type arg;
00076 
00077 #if (defined _WIN32 && defined _MSC_VER)
00078       boost::mpl::aux::unwrap (f, 0).operator()<arg> ();
00079 #else
00080       boost::mpl::aux::unwrap (f, 0).template operator()<arg> ();
00081 #endif
00082 
00083       typedef typename boost::mpl::next<Iterator>::type iter;
00084       for_each_type_impl<boost::is_same<iter, LastIterator>::value>
00085         ::template execute<iter, LastIterator, F> (f);
00086     }
00087   };
00088 
00090   template<typename Sequence, typename F> inline void 
00091   for_each_type (F f)
00092   {
00093     BOOST_MPL_ASSERT (( boost::mpl::is_sequence<Sequence> ));
00094     typedef typename boost::mpl::begin<Sequence>::type first;
00095     typedef typename boost::mpl::end<Sequence>::type last;
00096     for_each_type_impl<boost::is_same<first, last>::value>::template execute<first, last, F> (f);
00097   }
00098 
00100   template<typename Sequence1, typename Sequence2>
00101   struct intersect 
00102   { 
00103     typedef typename boost::mpl::remove_if<Sequence1, boost::mpl::not_<boost::mpl::contains<Sequence2, boost::mpl::_1> > >::type type; 
00104   }; 
00105 }
00106 
00107 #endif  //#ifndef PCL_FOR_EACH_TYPE_H_


pcl
Author(s): Open Perception
autogenerated on Mon Oct 6 2014 03:15:11