// 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
|
