00001 // Copyright (C) 2008, 2009 EPITA Research and Development Laboratory (LRDE) 00002 // 00003 // This file is part of Olena. 00004 // 00005 // Olena is free software: you can redistribute it and/or modify it under 00006 // the terms of the GNU General Public License as published by the Free 00007 // Software Foundation, version 2 of the License. 00008 // 00009 // Olena is distributed in the hope that it will be useful, 00010 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00012 // General Public License for more details. 00013 // 00014 // You should have received a copy of the GNU General Public License 00015 // along with Olena. If not, see <http://www.gnu.org/licenses/>. 00016 // 00017 // As a special exception, you may use this file as part of a free 00018 // software project without restriction. Specifically, if other files 00019 // instantiate templates or use macros or inline functions from this 00020 // file, or you compile this file and link it with other files to produce 00021 // an executable, this file does not by itself cause the resulting 00022 // executable to be covered by the GNU General Public License. This 00023 // exception does not however invalidate any other reasons why the 00024 // executable file might be covered by the GNU General Public License. 00025 00026 #ifndef MLN_CORE_CONCEPT_SITE_PROXY_HH 00027 # define MLN_CORE_CONCEPT_SITE_PROXY_HH 00028 00034 # include <mln/core/concept/proxy.hh> 00035 # include <mln/metal/is_a.hh> 00036 00037 00038 00039 namespace mln 00040 { 00041 00042 00043 // Fwd decl. 00044 template <typename E> struct Site_Proxy; 00045 00046 00048 template <> 00049 struct Site_Proxy<void> 00050 { 00051 typedef Proxy<void> super; 00052 }; 00053 00054 00060 template <typename E> 00061 struct Site_Proxy : public Proxy<E> 00062 { 00063 typedef Site_Proxy<void> category; 00064 00065 /* 00066 typedef site; 00067 00068 const site& to_site() const; 00069 operator site() const; 00070 */ 00071 00072 protected: 00073 Site_Proxy(); 00074 }; 00075 00076 00077 # ifndef MLN_INCLUDE_ONLY 00078 00079 template <typename E> 00080 Site_Proxy<E>::Site_Proxy() 00081 { 00082 typedef mln_site(E) site; 00083 00084 const site& (E::*m1)() const = & E::to_site; 00085 m1 = 0; 00086 00087 // De-activate because sometimes it returns a "const site&"... 00088 // site (E::*m2)() const = & E::operator site; 00089 // m2 = 0; 00090 } 00091 00092 # endif // ! MLN_INCLUDE_ONLY 00093 00094 } // end of namespace mln 00095 00096 00097 #endif // ! MLN_CORE_CONCEPT_SITE_PROXY_HH
1.7.1