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