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71 lines
2.6 KiB
C++
71 lines
2.6 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright The KiCad Developers, see AUTHORS.txt for contributors.
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*
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* This program is free software: you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation, either version 3 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef PCBNEW_COMPONENT_CLASS_CACHE_PROXY_H
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#define PCBNEW_COMPONENT_CLASS_CACHE_PROXY_H
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#include <component_classes/component_class.h>
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#include <footprint.h>
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/*
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* A class which acts as a cache-aware proxy for a FOOTPRINT's component class.
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* Creating dynamic component classes (from component class generators) is an
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* expensive operation, so we want to cache the results. This class is a cache
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* proxy which tracks the validity of the cached component class with respect
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* to loaded static and dynamic component class rules
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*/
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class COMPONENT_CLASS_CACHE_PROXY
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{
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public:
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explicit COMPONENT_CLASS_CACHE_PROXY( FOOTPRINT* footprint ) : m_footprint( footprint ) {}
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/// Sets the static component class
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/// Static component classes are assigned in the schematic, and are transferred through the
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/// netlist
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void SetStaticComponentClass( const COMPONENT_CLASS* compClass )
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{
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m_staticComponentClass = compClass;
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}
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/// Gets the static component class
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const COMPONENT_CLASS* GetStaticComponentClass() const { return m_staticComponentClass; }
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/// Gets the full component class (static + dynamic resultant component class)
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const COMPONENT_CLASS* GetComponentClass() const;
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/// Forces recomputation of the component class
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void RecomputeComponentClass( COMPONENT_CLASS_MANAGER* manager = nullptr ) const;
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/// Invalidates the cache
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/// The component class will be recalculated on the next access
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void InvalidateCache() { m_lastTickerValue = -1; }
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protected:
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FOOTPRINT* m_footprint;
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const COMPONENT_CLASS* m_staticComponentClass{ nullptr };
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mutable const COMPONENT_CLASS* m_dynamicComponentClass{ nullptr };
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mutable const COMPONENT_CLASS* m_finalComponentClass{ nullptr };
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mutable long long int m_lastTickerValue{ -1 };
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};
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#endif //PCBNEW_COMPONENT_CLASS_CACHE_PROXY_H
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