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assemblage.hpp

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00001 /*
00002     Copyright 2005-2007 Adobe Systems Incorporated
00003     Distributed under the MIT License (see accompanying file LICENSE_1_0_0.txt
00004     or a copy at http://stlab.adobe.com/licenses.html)
00005 */
00006 
00007 /*************************************************************************************************/
00008 
00009 #ifndef ADOBE_ASSEMBLAGE_HPP
00010 #define ADOBE_ASSEMBLAGE_HPP
00011 
00012 #include <adobe/config.hpp>
00013 
00014 #include <list>
00015 
00016 #include <boost/bind/apply.hpp>
00017 #include <boost/function.hpp>
00018 #include <boost/signals/connection.hpp>
00019 
00020 #include <adobe/algorithm/for_each.hpp>
00021 #include <adobe/memory.hpp>
00022 
00023 /*************************************************************************************************/
00024 
00025 namespace adobe {
00026 
00027 /*************************************************************************************************/
00028 
00029 class assemblage_t
00030 {
00031 public:
00032     ~assemblage_t()
00033     {
00034         // disconnect all our connections
00035         adobe::for_each(cleanup_m, boost::bind(boost::apply<void>(), _1));
00036     }
00037 
00038     void cleanup(boost::function<void()> f)
00039     {
00040         cleanup_m.push_front(f);
00041     }
00042 
00043 private:
00044     std::list<boost::function<void ()> >          cleanup_m;
00045 };
00046 
00047 /****************************************************************************************************/
00048 
00049 template <typename T>
00050 inline void assemblage_cleanup_ptr(assemblage_t& assemblage, T* x)
00051 { assemblage.cleanup(boost::bind(delete_ptr<T*>(), x)); }
00052 
00053 /****************************************************************************************************/
00054 
00055 inline void assemblage_cleanup_connection(assemblage_t& assemblage, boost::signals::connection& x)
00056 { assemblage.cleanup(boost::bind(&boost::signals::connection::disconnect, x)); }
00057 
00058 /*************************************************************************************************/
00059 
00060 } // namespace adobe
00061 
00062 /*************************************************************************************************/
00063 
00064 #endif
00065 
00066 /*************************************************************************************************/

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