Chris@16: /* Copyright 2006-2009 Joaquin M Lopez Munoz.
Chris@16:  * Distributed under the Boost Software License, Version 1.0.
Chris@16:  * (See 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/flyweight for library home page.
Chris@16:  */
Chris@16: 
Chris@16: #ifndef BOOST_FLYWEIGHT_STATIC_HOLDER_HPP
Chris@16: #define BOOST_FLYWEIGHT_STATIC_HOLDER_HPP
Chris@16: 
Chris@101: #if defined(_MSC_VER)
Chris@16: #pragma once
Chris@16: #endif
Chris@16: 
Chris@16: #include <boost/config.hpp> /* keep it first to prevent nasty warns in MSVC */
Chris@16: #include <boost/flyweight/static_holder_fwd.hpp>
Chris@16: #include <boost/flyweight/holder_tag.hpp>
Chris@16: #include <boost/mpl/aux_/lambda_support.hpp>
Chris@16: 
Chris@16: /* Simplest holder storing the T object as a local static variable.
Chris@16:  */
Chris@16: 
Chris@16: namespace boost{
Chris@16: 
Chris@16: namespace flyweights{
Chris@16: 
Chris@16: template<typename C>
Chris@16: struct static_holder_class:holder_marker
Chris@16: {
Chris@16:   static C& get()
Chris@16:   {
Chris@16:     static C c;
Chris@16:     return c;
Chris@16:   }
Chris@16: 
Chris@16:   typedef static_holder_class type;
Chris@16:   BOOST_MPL_AUX_LAMBDA_SUPPORT(1,static_holder_class,(C))
Chris@16: };
Chris@16: 
Chris@16: /* static_holder_class specifier */
Chris@16: 
Chris@16: struct static_holder:holder_marker
Chris@16: {
Chris@16:   template<typename C>
Chris@16:   struct apply
Chris@16:   {
Chris@16:     typedef static_holder_class<C> type;
Chris@16:   };
Chris@16: };
Chris@16: 
Chris@16: } /* namespace flyweights */
Chris@16: 
Chris@16: } /* namespace boost */
Chris@16: 
Chris@16: #endif