Ichthyostega
d33242b8cb
StructFactury still very preliminary. Now able to fill the table with mock queries. TODO: fix assertion failure...
129 lines
3.2 KiB
C++
129 lines
3.2 KiB
C++
/*
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STRUCT.hpp - key abstraction: structural asset
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Copyright (C) CinelerraCV
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2007, 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 struct.hpp
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** Structural facilities of the EDL (e.g. Tracks) can be treated in the
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** "bookkeeping view" as a specific Kind of Asset.
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** For the different <i>Kinds</i> of Assets, we use sub-intefaces inheriting
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** from the general Asset interface. To be able to get asset::Struct instances
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** directly from the AssetManager, we define a specialization of the Asset ID.
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**
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** @see asset.hpp for explanation
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** @see StructFactory creating concrete asset::Struct instances
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**
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*/
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#ifndef ASSET_STRUCT_H
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#define ASSET_STRUCT_H
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#include "proc/asset.hpp"
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#include "common/query.hpp"
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#include "common/factory.hpp"
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#include "common/singleton.hpp"
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#include <boost/scoped_ptr.hpp>
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#include <string>
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using std::string;
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using std::wstring;
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using boost::scoped_ptr;
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namespace asset
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{
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using cinelerra::Query;
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class Struct;
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class StructFactory;
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class StructFactoryImpl;
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class Port;
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template<>
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class ID<Struct> : public ID<Asset>
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{
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public:
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ID (size_t id);
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ID (const Struct&);
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};
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/**
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* key abstraction: structural asset
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* @todo just a stub, have to figure out what a asset::Proc is
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*/
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class Struct : public Asset
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{
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public:
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static StructFactory create;
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virtual const ID<Struct>& getID() const ///< @return ID of kind asset::Struct
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{
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return static_cast<const ID<Struct>& > (Asset::getID());
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}
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protected:
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Struct (const Asset::Ident& idi) : Asset(idi) {}
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friend class StructFactory;
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};
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// definition of ID<Struct> ctors is possible now,
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// after providing full definition of class Proc
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inline ID<Struct>::ID(size_t id) : ID<Asset> (id) {};
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inline ID<Struct>::ID(const Struct& stru) : ID<Asset> (stru.getID()) {};
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/**
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* Factory specialized for createing Structural Asset objects.
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*/
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class StructFactory : public cinelerra::Factory<asset::Struct>
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{
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scoped_ptr<StructFactoryImpl> impl_;
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protected:
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StructFactory ();
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friend class Struct;
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public:
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typedef shared_ptr<asset::Struct> PType;
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template<class STRU>
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shared_ptr<STRU> operator() (const Query<STRU>& query); ////////////TODO actually do something sensible here
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shared_ptr<Port> operator() (string portID, string streamID);
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};
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} // namespace asset
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#endif
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