3654473b75
* breaks lumigui linking * test non functional yet * tools cant not be linked because of cross dependency problems
132 lines
3.5 KiB
C++
132 lines
3.5 KiB
C++
/*
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ASSETMANAGER.hpp - Facade for the Asset subsystem
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Copyright (C) Lumiera.org
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2008, Hermann Vosseler <Ichthyostega@web.de>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/** @file assetmanager.hpp
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** Proc-Layer Interface: Asset Lookup and Organization.
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** Declares the AssetManager interface used to access individual
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** Asset instances.
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**
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** These classes are placed into namespace asset and proc_interface.
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**
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** @see asset.hpp
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** @see mobject.hpp
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*/
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#ifndef PROC_INTERFACE_ASSETMANAGER_H
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#define PROC_INTERFACE_ASSETMANAGER_H
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#include "pre_a.hpp"
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#include "proc/asset.hpp"
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#include "include/error.hpp"
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#include "lib/singleton.hpp"
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#include <cstddef>
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#include <string>
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#include <list>
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#include <boost/utility.hpp>
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using std::string;
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using std::list;
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namespace asset
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{
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class DB;
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/**
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* Facade for the Asset subsystem
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*/
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class AssetManager : private boost::noncopyable
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{
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asset::DB & registry;
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public:
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static lumiera::Singleton<AssetManager> instance;
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/** provide the unique ID for given Asset::Ident tuple */
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static ID<Asset> getID (const Asset::Ident&);
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/** retrieve the registerd smart-ptr for any asset */
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template<class KIND>
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static P<KIND> wrap (const KIND& asset);
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/** find and return corresponging object */
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template<class KIND>
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P<KIND> getAsset (const ID<KIND>& id) throw(lumiera::error::Invalid);
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/** @return true if the given id is registered in the internal asset DB */
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bool known (IDA id) ;
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/** @return true if the given id is registered with the given Category */
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bool known (IDA id, const Category& cat) ;
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/**remove the given asset from the internal DB.
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* <i>together with all its dependants</i> */
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void remove (IDA id) ;
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/** extract a sorted list of all registered Assets */
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list<PcAsset> listContent() const;
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protected:
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/** registers an asset object in the internal DB, providing its unique key.
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* @internal used by the Asset base class ctor to create Asset::id.
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*/
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template<class KIND>
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static ID<KIND> reg (KIND* obj, const Asset::Ident& idi)
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throw(lumiera::error::Invalid);
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/** deleter function used by the Asset smart pointers to delete Asset objects */
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static void destroy (Asset* aa) { delete aa; }
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friend Asset::Asset (const Asset::Ident& idi);
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AssetManager ();
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friend class lumiera::singleton::StaticCreate<AssetManager>;
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};
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LUMIERA_ERROR_DECLARE (UNKNOWN_ASSET_ID); ///< use of a non-registered Asset ID.
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LUMIERA_ERROR_DECLARE (WRONG_ASSET_KIND); ///< Asset ID of wrong Asset kind, unable to cast.
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} // namespace asset
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namespace proc_interface
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{
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using asset::AssetManager;
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}
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#endif
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