query_triples.hpp

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#ifndef QUERY_TRIPLES_HPP_
#define QUERY_TRIPLES_HPP_
#include "boost/range.hpp"
#include "owlcpp/rdf/triple_store.hpp"
#include "owlcpp/rdf/rdf_list_iterator.hpp"
#include "owlcpp/terms/node_tags_owl.hpp"

namespace owlcpp{

boost::iterator_range<Rdf_list_iter_s> inline rdf_list(
         const Node_id nid, Triple_store const& ts) {
   return boost::make_iterator_range(Rdf_list_iter_s(nid, ts), Rdf_list_iter_s());
}

inline std::string find_label(const Node_id nid, Triple_store const& store) {
   Triple_store::result_b<1,1,0,0>::type r =
            store.find_triple(nid, owlcpp::terms::rdfs_label::id(), any(), any());
   if( ! r ) return "";
   return to_string(r.front().obj_, store);
}

}//namespace owlcpp
#endif /* QUERY_TRIPLES_HPP_ */