Chris@16: //  Copyright (C) 2009 Trustees of Indiana University
Chris@16: //  Authors: Jeremiah Willcock, Andrew Lumsdaine
Chris@16: 
Chris@16: // Distributed under the Boost Software License, Version 1.0. (See
Chris@16: // accompanying file LICENSE_1_0.txt or copy at
Chris@16: // http://www.boost.org/LICENSE_1_0.txt)
Chris@16: 
Chris@16: //  See http://www.boost.org/libs/property_map for documentation.
Chris@16: 
Chris@16: #ifndef BOOST_SHARED_ARRAY_PROPERTY_MAP_HPP
Chris@16: #define BOOST_SHARED_ARRAY_PROPERTY_MAP_HPP
Chris@16: 
Chris@16: #include <boost/smart_ptr/shared_array.hpp>
Chris@16: #include <boost/property_map/property_map.hpp>
Chris@16: 
Chris@16: namespace boost {
Chris@16: 
Chris@16: template <class T, class IndexMap>
Chris@16: class shared_array_property_map
Chris@16:   : public boost::put_get_helper<T&, shared_array_property_map<T, IndexMap> >
Chris@16: {
Chris@16:   public:
Chris@16:   typedef typename property_traits<IndexMap>::key_type key_type;
Chris@16:   typedef T value_type;
Chris@16:   typedef T& reference;
Chris@16:   typedef boost::lvalue_property_map_tag category;
Chris@16: 
Chris@16:   inline shared_array_property_map(): data(), index() {}
Chris@16: 
Chris@16:   explicit inline shared_array_property_map(
Chris@16:     size_t n,
Chris@16:     const IndexMap& _id = IndexMap())
Chris@16:   : data(new T[n]), index(_id) {}
Chris@16: 
Chris@16:   inline T& operator[](key_type v) const {
Chris@16:     return data[get(index, v)];
Chris@16:   }
Chris@16: 
Chris@16:   private:
Chris@16:   boost::shared_array<T> data;
Chris@16:   IndexMap index;
Chris@16: };
Chris@16: 
Chris@16: template <class T, class IndexMap>
Chris@16: shared_array_property_map<T, IndexMap>
Chris@16: make_shared_array_property_map(size_t n, const T&, const IndexMap& index) {
Chris@16:   return shared_array_property_map<T, IndexMap>(n, index);
Chris@16: }
Chris@16: 
Chris@16: } // end namespace boost
Chris@16: 
Chris@16: #endif // BOOST_SHARED_ARRAY_PROPERTY_MAP_HPP