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// 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
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