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- #ifndef K3DSDK_INTERFACE_LIST_H
- #define K3DSDK_INTERFACE_LIST_H
-
- // K-3D
- // Copyright (c) 1995-2007, Timothy M. Shead
- //
- // Contact: tshead@k-3d.com
- //
- // This program is free software; you can redistribute it and/or
- // modify it under the terms of the GNU General Public
- // License as published by the Free Software Foundation; either
- // version 2 of the License, or (at your option) any later version.
- //
- // This program is distributed in the hope that it will be useful,
- // but WITHOUT ANY WARRANTY; without even the implied warranty of
- // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- // General Public License for more details.
- //
- // You should have received a copy of the GNU General Public
- // License along with this program; if not, write to the Free Software
- // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-
- /** \file
- \author Tim Shead (tshead@k-3d.com)
- */
-
- #include "iapplication_plugin_factory.h"
- #include "plugin_factory.h"
-
- namespace k3d
- {
-
- /// Defines a null interface type for marking the ends of an interface list
- class null_interface
- {
- };
-
- /// Used to create compile-time lists of interfaces (i.e. typelists - see Alexandrescu "Modern C++ Design")
- template<typename head_t, typename tail_t = null_interface>
- struct interface_list
- {
- typedef head_t head;
- typedef tail_t tail;
- };
-
- /////////////////////////////////////////////////////////////////////////////
- // implements_interface
-
- /// Generates code at compile-time that test whether an interface_list contains a specific interface type
- template<class interface_type>
- struct implements_interface;
-
- /// Generates code at compile-time that test whether an interface_list contains a specific interface type
- template<>
- struct implements_interface<null_interface>
- {
- bool operator()(const std::type_info& InterfaceType)
- {
- return false;
- }
- };
-
- /// Generates code at compile-time that test whether an interface_list contains a specific interface type
- template<typename head_t, typename tail_t>
- struct implements_interface<interface_list<head_t, tail_t> >
- {
- bool operator()(const std::type_info& InterfaceType)
- {
- if(typeid(head_t) == InterfaceType)
- return true;
-
- return implements_interface<tail_t>()(InterfaceType);
- }
- };
-
- /// Generates code at compile-time that returns a list of interface types
- template<class interface_type>
- struct get_interfaces;
-
- /// Generates code at compile-time that returns a list of interface types
- template<>
- struct get_interfaces<null_interface>
- {
- void operator()(iplugin_factory::interfaces_t& Interfaces)
- {
- }
- };
-
- /// Generates code at compile-time that returns a list of interface types
- template<typename head_t, typename tail_t>
- struct get_interfaces<interface_list<head_t, tail_t> >
- {
- void operator()(iplugin_factory::interfaces_t& Interfaces)
- {
- Interfaces.push_back(&typeid(head_t));
- get_interfaces<tail_t>()(Interfaces);
- }
- };
-
- } // namespace k3d
-
- #endif // !K3DSDK_INTERFACE_LIST_H
-
-