70 lines
1.7 KiB
C
70 lines
1.7 KiB
C
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/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file factoryParams.h
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* @author drose
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* @date 2000-05-08
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*/
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#ifndef FACTORYPARAMS_H
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#define FACTORYPARAMS_H
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#include "pandabase.h"
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#include "typedObject.h"
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#include "typedReferenceCount.h"
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#include "pointerTo.h"
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#include "factoryParam.h"
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#include "dcast.h"
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#include "pvector.h"
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/**
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* An instance of this class is passed to the Factory when requesting it to do
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* its business and construct a new something. It can be filled with optional
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* parameters to the CreateFunc for the particular subclass the Factory will
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* be creating.
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*
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* This is just a vector of pointers to *something*; it will be up to the
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* individual CreateFuncs to interpret this meaningfully.
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*/
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class EXPCL_PANDA_PUTIL FactoryParams {
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public:
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FactoryParams() = default;
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FactoryParams(const FactoryParams ©) = default;
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FactoryParams(FactoryParams &&from) noexcept = default;
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~FactoryParams() = default;
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FactoryParams &operator = (FactoryParams &&from) noexcept = default;
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void add_param(FactoryParam *param);
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void clear();
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int get_num_params() const;
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FactoryParam *get_param(int n) const;
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FactoryParam *get_param_of_type(TypeHandle type) const;
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INLINE void *get_user_data() const;
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private:
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typedef pvector< PT(TypedReferenceCount) > Params;
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Params _params;
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void *_user_data = nullptr;
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friend class FactoryBase;
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};
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template<class ParamType>
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INLINE bool get_param_into(ParamType *&pointer, const FactoryParams ¶ms);
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#include "factoryParams.I"
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#endif
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