lumiera_/src/steam/config-resolver.cpp

117 lines
3.8 KiB
C++

/*
ConfigResolver - concrete setup for rule based configuration
Copyright (C) Lumiera.org
2008, Hermann Vosseler <Ichthyostega@web.de>
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., 675 Mass Ave, Cambridge, MA 02139, USA.
* *****************************************************/
/** @file config-resolver.cpp
** Implementation of bindings between Steam-Layer objects and rules-based configuration.
** @todo draft from the early design phase of the Lumiera application. As of 2016, nothing
** was done on behalf of rules-based configuration, other then preparing the whole architecture
** for this capability. So this remains one of the most relevant goals of the Project.
*/
#include "lib/error.hpp"
#include "include/lifecycle.h"
#include "steam/config-resolver.hpp"
#include "steam/mobject/session/query/fake-configrules.hpp"
#include "lib/depend-inject.hpp"
using lumiera::LifecycleHook;
using lumiera::ON_GLOBAL_INIT;
namespace steam {
namespace {
/**
* Install the actual ConfigResolver implementation.
* The ConfigResolver answers queries about configuration and default configuration
* of various aspects of the session, based on configuration rules.
* @todo PLANNED: use an embedded Prolog-System or similar rules engine.
* For the time being (as of 2008-2018),
* we use preconfigured fake answers for some common Config-Queries
*/
void
configure_ConfigResolver()
{
lib::DependInject<ConfigResolver>::useSingleton<mobject::session::query::MockConfigRules>();
}
LifecycleHook schedule_ (ON_GLOBAL_INIT, &configure_ConfigResolver);
}
/** Singleton factory instance, configured with the actual implementation type.
* @see DefsManager::DefsManager()
* @see defs-manager-impl.hpp
*/
lib::Depend<ConfigResolver> ConfigResolver::instance;
} // namespace steam
#include "common/query/defs-manager-impl.hpp"
/***************************************************************/
/* explicit template instantiations for querying various Types */
/***************************************************************/
#include "steam/asset/procpatt.hpp"
#include "steam/asset/pipe.hpp"
#include "steam/asset/timeline.hpp"
#include "steam/asset/sequence.hpp"
#include "steam/mobject/session/fork.hpp"
namespace lumiera{
namespace query {
using steam::asset::Pipe;
using steam::asset::PPipe;
using steam::asset::ProcPatt;
using steam::asset::PProcPatt;
using steam::asset::Timeline;
using steam::asset::PTimeline;
using steam::asset::Sequence;
using steam::asset::PSequence;
using steam::mobject::session::Fork;
using PFork = lib::P<Fork>;
template PPipe DefsManager::operator() (Query<Pipe> const&);
template PProcPatt DefsManager::operator() (Query<const ProcPatt> const&);
template PFork DefsManager::operator() (Query<Fork> const&);
template PTimeline DefsManager::operator() (Query<Timeline> const&);
template PSequence DefsManager::operator() (Query<Sequence> const&);
template bool DefsManager::define (PPipe const&, Query<Pipe> const&);
template bool DefsManager::forget (PPipe const&);
}} // namespace lumiera::query