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author | Daniel Wilhelm <daniel@wili.li> | 2014-04-18 17:01:29 +0200 |
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committer | Daniel Wilhelm <daniel@wili.li> | 2014-04-18 17:01:29 +0200 |
commit | 9a2a524f1e311853d08050be2dcdddc09ac7759a (patch) | |
tree | d8e4a24169fce88c2d89931d58514889a0bcb0ea /shared/loki/Factory.h | |
parent | 2.3 (diff) | |
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3.0
Diffstat (limited to 'shared/loki/Factory.h')
-rw-r--r-- | shared/loki/Factory.h | 1084 |
1 files changed, 1084 insertions, 0 deletions
diff --git a/shared/loki/Factory.h b/shared/loki/Factory.h new file mode 100644 index 00000000..c4c3b22a --- /dev/null +++ b/shared/loki/Factory.h @@ -0,0 +1,1084 @@ +//////////////////////////////////////////////////////////////////////////////// +// The Loki Library +// Copyright (c) 2001 by Andrei Alexandrescu +// Copyright (c) 2005 by Peter Kuemmel +// This code DOES NOT accompany the book: +// Alexandrescu, Andrei. "Modern C++ Design: Generic Programming and Design +// Patterns Applied". Copyright (c) 2001. Addison-Wesley. +// +// Code covered by the MIT License +// The authors make no representations about the suitability of this software +// for any purpose. It is provided "as is" without express or implied warranty. +//////////////////////////////////////////////////////////////////////////////// +#ifndef LOKI_FACTORYPARM_INC_ +#define LOKI_FACTORYPARM_INC_ + +// $Id: Factory.h 788 2006-11-24 22:30:54Z clitte_bbt $ + + +#include "LokiTypeInfo.h" +#include "Functor.h" +#include "AssocVector.h" +#include "SmallObj.h" +#include "Sequence.h" + +#ifdef _MSC_VER +#pragma warning(push) +#pragma warning(disable: 4702) +//unreachable code if OnUnknownType throws an exception +#endif + +/** + * \defgroup FactoriesGroup Factories + * \defgroup FactoryGroup Factory + * \ingroup FactoriesGroup + * \brief Implements a generic object factory. + * + * <i>The Factory Method pattern is an object-oriented design pattern. + * Like other creational patterns, it deals with the problem of creating objects + * (products) without specifying the exact class of object that will be created. + * Factory Method, one of the patterns from the Design Patterns book, handles + * this problem by defining a separate method for creating the objects, which + * subclasses can then override to specify the derived type of product that will + * be created. + * <br> + * More generally, the term Factory Method is often used to refer to any method + * whose main purpose is creation of objects.</i> + * <div ALIGN="RIGHT"><a href="http://en.wikipedia.org/wiki/Factory_method_pattern"> + * Wikipedia</a></div> + * + * Loki proposes a generic version of the Factory. Here is a typical use.<br> + * <code><br> + * 1. Factory< AbstractProduct, int > aFactory;<br> + * 2. aFactory.Register( 1, createProductNull );<br> + * 3. aFactory.CreateObject( 1 ); <br> + * </code><br> + * <br> + * - 1. The declaration<br> + * You want a Factory that produces AbstractProduct.<br> + * The client will refer to a creation method through an int.<br> + * - 2.The registration<br> + * The code that will contribute to the Factory will now need to declare its + * ProductCreator by registering them into the Factory.<br> + * A ProductCreator is a just a function that will return the right object. ie <br> + * <code> + * Product* createProductNull()<br> + * {<br> + * return new Product<br> + * }<br> + * </code><br> + * - 3. The use<br> + * Now the client can create object by calling the Factory's CreateObject method + * with the right identifier. If the ProductCreator were to have arguments + * (<i>ie :Product* createProductParm( int a, int b )</i>) + */ + +namespace Loki +{ + +/** + * \defgroup FactoryErrorPoliciesGroup Factory Error Policies + * \ingroup FactoryGroup + * \brief Manages the "Unknown Type" error in an object factory + * + * \class DefaultFactoryError + * \ingroup FactoryErrorPoliciesGroup + * \brief Default policy that throws an exception + * + */ + + template <typename IdentifierType, class AbstractProduct> + struct DefaultFactoryError + { + struct Exception : public std::exception + { + const char* what() const throw() { return "Unknown Type"; } + }; + + static AbstractProduct* OnUnknownType(IdentifierType) + { + throw Exception(); + } + }; + + +#define LOKI_ENABLE_NEW_FACTORY_CODE +#ifdef LOKI_ENABLE_NEW_FACTORY_CODE + + +//////////////////////////////////////////////////////////////////////////////// +// class template FunctorImpl +//////////////////////////////////////////////////////////////////////////////// + + struct FactoryImplBase + { + typedef EmptyType Parm1; + typedef EmptyType Parm2; + typedef EmptyType Parm3; + typedef EmptyType Parm4; + typedef EmptyType Parm5; + typedef EmptyType Parm6; + typedef EmptyType Parm7; + typedef EmptyType Parm8; + typedef EmptyType Parm9; + typedef EmptyType Parm10; + typedef EmptyType Parm11; + typedef EmptyType Parm12; + typedef EmptyType Parm13; + typedef EmptyType Parm14; + typedef EmptyType Parm15; + }; + + template <typename AP, typename Id, typename TList > + struct FactoryImpl; + + template<typename AP, typename Id> + struct FactoryImpl<AP, Id, NullType> + : public FactoryImplBase + { + virtual ~FactoryImpl() {} + virtual AP* CreateObject(const Id & id ) = 0; + }; +template <typename AP, typename Id, typename P1 > + struct FactoryImpl<AP,Id, Seq<P1> > + : public FactoryImplBase + { + typedef typename TypeTraits<P1>::ParameterType Parm1; + virtual ~FactoryImpl() {} + virtual AP* CreateObject(const Id& id,Parm1 ) = 0; + }; + + template<typename AP, typename Id, typename P1,typename P2 > + struct FactoryImpl<AP, Id, Seq<P1, P2> > + : public FactoryImplBase + { + typedef typename TypeTraits<P1>::ParameterType Parm1; + typedef typename TypeTraits<P2>::ParameterType Parm2; + virtual ~FactoryImpl() {} + virtual AP* CreateObject(const Id& id,Parm1, Parm2 ) = 0; + }; + + template<typename AP, typename Id, typename P1,typename P2,typename P3 > + struct FactoryImpl<AP, Id, Seq<P1, P2, P3> > + : public FactoryImplBase + { + typedef typename TypeTraits<P1>::ParameterType Parm1; + typedef typename TypeTraits<P2>::ParameterType Parm2; + typedef typename TypeTraits<P3>::ParameterType Parm3; + virtual ~FactoryImpl() {} + virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3 ) = 0; + }; + + template<typename AP, typename Id, typename P1,typename P2,typename P3,typename P4 > + struct FactoryImpl<AP, Id, Seq<P1, P2, P3, P4> > + : public FactoryImplBase + { + typedef typename TypeTraits<P1>::ParameterType Parm1; + typedef typename TypeTraits<P2>::ParameterType Parm2; + typedef typename TypeTraits<P3>::ParameterType Parm3; + typedef typename TypeTraits<P4>::ParameterType Parm4; + virtual ~FactoryImpl() {} + virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4 ) = 0; + }; + + template<typename AP, typename Id, + typename P1,typename P2,typename P3,typename P4,typename P5 > + struct FactoryImpl<AP, Id, Seq<P1, P2, P3, P4, P5> > + : public FactoryImplBase + { + typedef typename TypeTraits<P1>::ParameterType Parm1; + typedef typename TypeTraits<P2>::ParameterType Parm2; + typedef typename TypeTraits<P3>::ParameterType Parm3; + typedef typename TypeTraits<P4>::ParameterType Parm4; + typedef typename TypeTraits<P5>::ParameterType Parm5; + virtual ~FactoryImpl() {} + virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4, Parm5 ) = 0; + }; + + template<typename AP, typename Id, + typename P1,typename P2,typename P3,typename P4,typename P5, + typename P6> + struct FactoryImpl<AP, Id, Seq<P1, P2, P3, P4, P5, P6> > + : public FactoryImplBase + { + typedef typename TypeTraits<P1>::ParameterType Parm1; + typedef typename TypeTraits<P2>::ParameterType Parm2; + typedef typename TypeTraits<P3>::ParameterType Parm3; + typedef typename TypeTraits<P4>::ParameterType Parm4; + typedef typename TypeTraits<P5>::ParameterType Parm5; + typedef typename TypeTraits<P6>::ParameterType Parm6; + virtual ~FactoryImpl() {} + virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4, Parm5, + Parm6 ) + = 0; + }; + + template<typename AP, typename Id, + typename P1,typename P2,typename P3,typename P4,typename P5, + typename P6,typename P7> + struct FactoryImpl<AP, Id, Seq<P1, P2, P3, P4, P5, P6, P7> > + : public FactoryImplBase + { + typedef typename TypeTraits<P1>::ParameterType Parm1; + typedef typename TypeTraits<P2>::ParameterType Parm2; + typedef typename TypeTraits<P3>::ParameterType Parm3; + typedef typename TypeTraits<P4>::ParameterType Parm4; + typedef typename TypeTraits<P5>::ParameterType Parm5; + typedef typename TypeTraits<P6>::ParameterType Parm6; + typedef typename TypeTraits<P7>::ParameterType Parm7; + virtual ~FactoryImpl() {} + virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4, Parm5, + Parm6, Parm7 ) + = 0; + }; + + template<typename AP, typename Id, + typename P1,typename P2,typename P3,typename P4,typename P5, + typename P6,typename P7,typename P8> + struct FactoryImpl<AP, Id, Seq<P1, P2, P3, P4, P5, P6, P7, P8> > + : public FactoryImplBase + { + typedef typename TypeTraits<P1>::ParameterType Parm1; + typedef typename TypeTraits<P2>::ParameterType Parm2; + typedef typename TypeTraits<P3>::ParameterType Parm3; + typedef typename TypeTraits<P4>::ParameterType Parm4; + typedef typename TypeTraits<P5>::ParameterType Parm5; + typedef typename TypeTraits<P6>::ParameterType Parm6; + typedef typename TypeTraits<P7>::ParameterType Parm7; + typedef typename TypeTraits<P8>::ParameterType Parm8; + virtual ~FactoryImpl() {} + virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4, Parm5, + Parm6, Parm7, Parm8) + = 0; + }; + + template<typename AP, typename Id, + typename P1,typename P2,typename P3,typename P4,typename P5, + typename P6,typename P7,typename P8,typename P9> + struct FactoryImpl<AP, Id, Seq<P1, P2, P3, P4, P5, P6, P7, P8, P9> > + : public FactoryImplBase + { + typedef typename TypeTraits<P1>::ParameterType Parm1; + typedef typename TypeTraits<P2>::ParameterType Parm2; + typedef typename TypeTraits<P3>::ParameterType Parm3; + typedef typename TypeTraits<P4>::ParameterType Parm4; + typedef typename TypeTraits<P5>::ParameterType Parm5; + typedef typename TypeTraits<P6>::ParameterType Parm6; + typedef typename TypeTraits<P7>::ParameterType Parm7; + typedef typename TypeTraits<P8>::ParameterType Parm8; + typedef typename TypeTraits<P9>::ParameterType Parm9; + virtual ~FactoryImpl() {} + virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4, Parm5, + Parm6, Parm7, Parm8, Parm9) + = 0; + }; + + template<typename AP, typename Id, + typename P1,typename P2,typename P3,typename P4,typename P5, + typename P6,typename P7,typename P8,typename P9,typename P10> + struct FactoryImpl<AP, Id, Seq<P1, P2, P3, P4, P5, P6, P7, P8, P9, P10> > + : public FactoryImplBase + { + typedef typename TypeTraits<P1>::ParameterType Parm1; + typedef typename TypeTraits<P2>::ParameterType Parm2; + typedef typename TypeTraits<P3>::ParameterType Parm3; + typedef typename TypeTraits<P4>::ParameterType Parm4; + typedef typename TypeTraits<P5>::ParameterType Parm5; + typedef typename TypeTraits<P6>::ParameterType Parm6; + typedef typename TypeTraits<P7>::ParameterType Parm7; + typedef typename TypeTraits<P8>::ParameterType Parm8; + typedef typename TypeTraits<P9>::ParameterType Parm9; + typedef typename TypeTraits<P10>::ParameterType Parm10; + virtual ~FactoryImpl() {} + virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4, Parm5, + Parm6, Parm7, Parm8, Parm9,Parm10) + = 0; + }; + + template<typename AP, typename Id, + typename P1,typename P2,typename P3,typename P4,typename P5, + typename P6,typename P7,typename P8,typename P9,typename P10, + typename P11> + struct FactoryImpl<AP, Id, Seq<P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11> > + : public FactoryImplBase + { + typedef typename TypeTraits<P1>::ParameterType Parm1; + typedef typename TypeTraits<P2>::ParameterType Parm2; + typedef typename TypeTraits<P3>::ParameterType Parm3; + typedef typename TypeTraits<P4>::ParameterType Parm4; + typedef typename TypeTraits<P5>::ParameterType Parm5; + typedef typename TypeTraits<P6>::ParameterType Parm6; + typedef typename TypeTraits<P7>::ParameterType Parm7; + typedef typename TypeTraits<P8>::ParameterType Parm8; + typedef typename TypeTraits<P9>::ParameterType Parm9; + typedef typename TypeTraits<P10>::ParameterType Parm10; + typedef typename TypeTraits<P11>::ParameterType Parm11; + virtual ~FactoryImpl() {} + virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4, Parm5, + Parm6, Parm7, Parm8, Parm9,Parm10, + Parm11) + = 0; + }; + + template<typename AP, typename Id, + typename P1,typename P2,typename P3,typename P4,typename P5, + typename P6,typename P7,typename P8,typename P9,typename P10, + typename P11,typename P12> + struct FactoryImpl<AP, Id, Seq<P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12> > + : public FactoryImplBase + { + typedef typename TypeTraits<P1>::ParameterType Parm1; + typedef typename TypeTraits<P2>::ParameterType Parm2; + typedef typename TypeTraits<P3>::ParameterType Parm3; + typedef typename TypeTraits<P4>::ParameterType Parm4; + typedef typename TypeTraits<P5>::ParameterType Parm5; + typedef typename TypeTraits<P6>::ParameterType Parm6; + typedef typename TypeTraits<P7>::ParameterType Parm7; + typedef typename TypeTraits<P8>::ParameterType Parm8; + typedef typename TypeTraits<P9>::ParameterType Parm9; + typedef typename TypeTraits<P10>::ParameterType Parm10; + typedef typename TypeTraits<P11>::ParameterType Parm11; + typedef typename TypeTraits<P12>::ParameterType Parm12; + virtual ~FactoryImpl() {} + virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4, Parm5, + Parm6, Parm7, Parm8, Parm9,Parm10, + Parm11,Parm12) + = 0; + }; + + template<typename AP, typename Id, + typename P1,typename P2,typename P3,typename P4,typename P5, + typename P6,typename P7,typename P8,typename P9,typename P10, + typename P11,typename P12,typename P13> + struct FactoryImpl<AP, Id, Seq<P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13> > + : public FactoryImplBase + { + typedef typename TypeTraits<P1>::ParameterType Parm1; + typedef typename TypeTraits<P2>::ParameterType Parm2; + typedef typename TypeTraits<P3>::ParameterType Parm3; + typedef typename TypeTraits<P4>::ParameterType Parm4; + typedef typename TypeTraits<P5>::ParameterType Parm5; + typedef typename TypeTraits<P6>::ParameterType Parm6; + typedef typename TypeTraits<P7>::ParameterType Parm7; + typedef typename TypeTraits<P8>::ParameterType Parm8; + typedef typename TypeTraits<P9>::ParameterType Parm9; + typedef typename TypeTraits<P10>::ParameterType Parm10; + typedef typename TypeTraits<P11>::ParameterType Parm11; + typedef typename TypeTraits<P12>::ParameterType Parm12; + typedef typename TypeTraits<P13>::ParameterType Parm13; + virtual ~FactoryImpl() {} + virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4, Parm5, + Parm6, Parm7, Parm8, Parm9,Parm10, + Parm11,Parm12,Parm13) + = 0; + }; + + template<typename AP, typename Id, + typename P1,typename P2,typename P3,typename P4,typename P5, + typename P6,typename P7,typename P8,typename P9,typename P10, + typename P11,typename P12,typename P13,typename P14> + struct FactoryImpl<AP, Id, Seq<P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14> > + : public FactoryImplBase + { + typedef typename TypeTraits<P1>::ParameterType Parm1; + typedef typename TypeTraits<P2>::ParameterType Parm2; + typedef typename TypeTraits<P3>::ParameterType Parm3; + typedef typename TypeTraits<P4>::ParameterType Parm4; + typedef typename TypeTraits<P5>::ParameterType Parm5; + typedef typename TypeTraits<P6>::ParameterType Parm6; + typedef typename TypeTraits<P7>::ParameterType Parm7; + typedef typename TypeTraits<P8>::ParameterType Parm8; + typedef typename TypeTraits<P9>::ParameterType Parm9; + typedef typename TypeTraits<P10>::ParameterType Parm10; + typedef typename TypeTraits<P11>::ParameterType Parm11; + typedef typename TypeTraits<P12>::ParameterType Parm12; + typedef typename TypeTraits<P13>::ParameterType Parm13; + typedef typename TypeTraits<P14>::ParameterType Parm14; + virtual ~FactoryImpl() {} + virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4, Parm5, + Parm6, Parm7, Parm8, Parm8,Parm10, + Parm11,Parm12,Parm13,Parm14) + = 0; + }; + + template<typename AP, typename Id, + typename P1,typename P2,typename P3,typename P4,typename P5, + typename P6,typename P7,typename P8,typename P9,typename P10, + typename P11,typename P12,typename P13,typename P14,typename P15 > + struct FactoryImpl<AP, Id, Seq<P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, P15> > + : public FactoryImplBase + { + typedef typename TypeTraits<P1>::ParameterType Parm1; + typedef typename TypeTraits<P2>::ParameterType Parm2; + typedef typename TypeTraits<P3>::ParameterType Parm3; + typedef typename TypeTraits<P4>::ParameterType Parm4; + typedef typename TypeTraits<P5>::ParameterType Parm5; + typedef typename TypeTraits<P6>::ParameterType Parm6; + typedef typename TypeTraits<P7>::ParameterType Parm7; + typedef typename TypeTraits<P8>::ParameterType Parm8; + typedef typename TypeTraits<P9>::ParameterType Parm9; + typedef typename TypeTraits<P10>::ParameterType Parm10; + typedef typename TypeTraits<P11>::ParameterType Parm11; + typedef typename TypeTraits<P12>::ParameterType Parm12; + typedef typename TypeTraits<P13>::ParameterType Parm13; + typedef typename TypeTraits<P14>::ParameterType Parm14; + typedef typename TypeTraits<P15>::ParameterType Parm15; + virtual ~FactoryImpl() {} + virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4, Parm5, + Parm6, Parm7, Parm8, Parm9,Parm10, + Parm11,Parm12,Parm13,Parm14,Parm15 ) + = 0; + }; + +#ifndef LOKI_DISABLE_TYPELIST_MACROS + + template <typename AP, typename Id, typename P1 > + struct FactoryImpl<AP,Id, LOKI_TYPELIST_1( P1 )> + : public FactoryImplBase + { + typedef typename TypeTraits<P1>::ParameterType Parm1; + virtual ~FactoryImpl() {} + virtual AP* CreateObject(const Id& id,Parm1 ) = 0; + }; + + template<typename AP, typename Id, typename P1,typename P2 > + struct FactoryImpl<AP, Id, LOKI_TYPELIST_2( P1, P2 )> + : public FactoryImplBase + { + typedef typename TypeTraits<P1>::ParameterType Parm1; + typedef typename TypeTraits<P2>::ParameterType Parm2; + virtual ~FactoryImpl() {} + virtual AP* CreateObject(const Id& id,Parm1, Parm2 ) = 0; + }; + + template<typename AP, typename Id, typename P1,typename P2,typename P3 > + struct FactoryImpl<AP, Id, LOKI_TYPELIST_3( P1, P2, P3 )> + : public FactoryImplBase + { + typedef typename TypeTraits<P1>::ParameterType Parm1; + typedef typename TypeTraits<P2>::ParameterType Parm2; + typedef typename TypeTraits<P3>::ParameterType Parm3; + virtual ~FactoryImpl() {} + virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3 ) = 0; + }; + + template<typename AP, typename Id, typename P1,typename P2,typename P3,typename P4 > + struct FactoryImpl<AP, Id, LOKI_TYPELIST_4( P1, P2, P3, P4 )> + : public FactoryImplBase + { + typedef typename TypeTraits<P1>::ParameterType Parm1; + typedef typename TypeTraits<P2>::ParameterType Parm2; + typedef typename TypeTraits<P3>::ParameterType Parm3; + typedef typename TypeTraits<P4>::ParameterType Parm4; + virtual ~FactoryImpl() {} + virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4 ) = 0; + }; + + template<typename AP, typename Id, + typename P1,typename P2,typename P3,typename P4,typename P5 > + struct FactoryImpl<AP, Id, LOKI_TYPELIST_5( P1, P2, P3, P4, P5 )> + : public FactoryImplBase + { + typedef typename TypeTraits<P1>::ParameterType Parm1; + typedef typename TypeTraits<P2>::ParameterType Parm2; + typedef typename TypeTraits<P3>::ParameterType Parm3; + typedef typename TypeTraits<P4>::ParameterType Parm4; + typedef typename TypeTraits<P5>::ParameterType Parm5; + virtual ~FactoryImpl() {} + virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4, Parm5 ) = 0; + }; + + template<typename AP, typename Id, + typename P1,typename P2,typename P3,typename P4,typename P5, + typename P6> + struct FactoryImpl<AP, Id, LOKI_TYPELIST_6( P1, P2, P3, P4, P5, P6 )> + : public FactoryImplBase + { + typedef typename TypeTraits<P1>::ParameterType Parm1; + typedef typename TypeTraits<P2>::ParameterType Parm2; + typedef typename TypeTraits<P3>::ParameterType Parm3; + typedef typename TypeTraits<P4>::ParameterType Parm4; + typedef typename TypeTraits<P5>::ParameterType Parm5; + typedef typename TypeTraits<P6>::ParameterType Parm6; + virtual ~FactoryImpl() {} + virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4, Parm5, + Parm6 ) + = 0; + }; + + template<typename AP, typename Id, + typename P1,typename P2,typename P3,typename P4,typename P5, + typename P6,typename P7> + struct FactoryImpl<AP, Id, LOKI_TYPELIST_7( P1, P2, P3, P4, P5, P6, P7 )> + : public FactoryImplBase + { + typedef typename TypeTraits<P1>::ParameterType Parm1; + typedef typename TypeTraits<P2>::ParameterType Parm2; + typedef typename TypeTraits<P3>::ParameterType Parm3; + typedef typename TypeTraits<P4>::ParameterType Parm4; + typedef typename TypeTraits<P5>::ParameterType Parm5; + typedef typename TypeTraits<P6>::ParameterType Parm6; + typedef typename TypeTraits<P7>::ParameterType Parm7; + virtual ~FactoryImpl() {} + virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4, Parm5, + Parm6, Parm7 ) + = 0; + }; + + template<typename AP, typename Id, + typename P1,typename P2,typename P3,typename P4,typename P5, + typename P6,typename P7,typename P8> + struct FactoryImpl<AP, Id, LOKI_TYPELIST_8( P1, P2, P3, P4, P5, P6, P7, P8 )> + : public FactoryImplBase + { + typedef typename TypeTraits<P1>::ParameterType Parm1; + typedef typename TypeTraits<P2>::ParameterType Parm2; + typedef typename TypeTraits<P3>::ParameterType Parm3; + typedef typename TypeTraits<P4>::ParameterType Parm4; + typedef typename TypeTraits<P5>::ParameterType Parm5; + typedef typename TypeTraits<P6>::ParameterType Parm6; + typedef typename TypeTraits<P7>::ParameterType Parm7; + typedef typename TypeTraits<P8>::ParameterType Parm8; + virtual ~FactoryImpl() {} + virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4, Parm5, + Parm6, Parm7, Parm8) + = 0; + }; + + template<typename AP, typename Id, + typename P1,typename P2,typename P3,typename P4,typename P5, + typename P6,typename P7,typename P8,typename P9> + struct FactoryImpl<AP, Id, LOKI_TYPELIST_9( P1, P2, P3, P4, P5, P6, P7, P8, P9 )> + : public FactoryImplBase + { + typedef typename TypeTraits<P1>::ParameterType Parm1; + typedef typename TypeTraits<P2>::ParameterType Parm2; + typedef typename TypeTraits<P3>::ParameterType Parm3; + typedef typename TypeTraits<P4>::ParameterType Parm4; + typedef typename TypeTraits<P5>::ParameterType Parm5; + typedef typename TypeTraits<P6>::ParameterType Parm6; + typedef typename TypeTraits<P7>::ParameterType Parm7; + typedef typename TypeTraits<P8>::ParameterType Parm8; + typedef typename TypeTraits<P9>::ParameterType Parm9; + virtual ~FactoryImpl() {} + virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4, Parm5, + Parm6, Parm7, Parm8, Parm9) + = 0; + }; + + template<typename AP, typename Id, + typename P1,typename P2,typename P3,typename P4,typename P5, + typename P6,typename P7,typename P8,typename P9,typename P10> + struct FactoryImpl<AP, Id, LOKI_TYPELIST_10( P1, P2, P3, P4, P5, P6, P7, P8, P9, P10 )> + : public FactoryImplBase + { + typedef typename TypeTraits<P1>::ParameterType Parm1; + typedef typename TypeTraits<P2>::ParameterType Parm2; + typedef typename TypeTraits<P3>::ParameterType Parm3; + typedef typename TypeTraits<P4>::ParameterType Parm4; + typedef typename TypeTraits<P5>::ParameterType Parm5; + typedef typename TypeTraits<P6>::ParameterType Parm6; + typedef typename TypeTraits<P7>::ParameterType Parm7; + typedef typename TypeTraits<P8>::ParameterType Parm8; + typedef typename TypeTraits<P9>::ParameterType Parm9; + typedef typename TypeTraits<P10>::ParameterType Parm10; + virtual ~FactoryImpl() {} + virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4, Parm5, + Parm6, Parm7, Parm8, Parm9,Parm10) + = 0; + }; + + template<typename AP, typename Id, + typename P1,typename P2,typename P3,typename P4,typename P5, + typename P6,typename P7,typename P8,typename P9,typename P10, + typename P11> + struct FactoryImpl<AP, Id, LOKI_TYPELIST_11( P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11 )> + : public FactoryImplBase + { + typedef typename TypeTraits<P1>::ParameterType Parm1; + typedef typename TypeTraits<P2>::ParameterType Parm2; + typedef typename TypeTraits<P3>::ParameterType Parm3; + typedef typename TypeTraits<P4>::ParameterType Parm4; + typedef typename TypeTraits<P5>::ParameterType Parm5; + typedef typename TypeTraits<P6>::ParameterType Parm6; + typedef typename TypeTraits<P7>::ParameterType Parm7; + typedef typename TypeTraits<P8>::ParameterType Parm8; + typedef typename TypeTraits<P9>::ParameterType Parm9; + typedef typename TypeTraits<P10>::ParameterType Parm10; + typedef typename TypeTraits<P11>::ParameterType Parm11; + virtual ~FactoryImpl() {} + virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4, Parm5, + Parm6, Parm7, Parm8, Parm9,Parm10, + Parm11) + = 0; + }; + + template<typename AP, typename Id, + typename P1,typename P2,typename P3,typename P4,typename P5, + typename P6,typename P7,typename P8,typename P9,typename P10, + typename P11,typename P12> + struct FactoryImpl<AP, Id, LOKI_TYPELIST_12( P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12 )> + : public FactoryImplBase + { + typedef typename TypeTraits<P1>::ParameterType Parm1; + typedef typename TypeTraits<P2>::ParameterType Parm2; + typedef typename TypeTraits<P3>::ParameterType Parm3; + typedef typename TypeTraits<P4>::ParameterType Parm4; + typedef typename TypeTraits<P5>::ParameterType Parm5; + typedef typename TypeTraits<P6>::ParameterType Parm6; + typedef typename TypeTraits<P7>::ParameterType Parm7; + typedef typename TypeTraits<P8>::ParameterType Parm8; + typedef typename TypeTraits<P9>::ParameterType Parm9; + typedef typename TypeTraits<P10>::ParameterType Parm10; + typedef typename TypeTraits<P11>::ParameterType Parm11; + typedef typename TypeTraits<P12>::ParameterType Parm12; + virtual ~FactoryImpl() {} + virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4, Parm5, + Parm6, Parm7, Parm8, Parm9,Parm10, + Parm11,Parm12) + = 0; + }; + + template<typename AP, typename Id, + typename P1,typename P2,typename P3,typename P4,typename P5, + typename P6,typename P7,typename P8,typename P9,typename P10, + typename P11,typename P12,typename P13> + struct FactoryImpl<AP, Id, LOKI_TYPELIST_13( P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13 )> + : public FactoryImplBase + { + typedef typename TypeTraits<P1>::ParameterType Parm1; + typedef typename TypeTraits<P2>::ParameterType Parm2; + typedef typename TypeTraits<P3>::ParameterType Parm3; + typedef typename TypeTraits<P4>::ParameterType Parm4; + typedef typename TypeTraits<P5>::ParameterType Parm5; + typedef typename TypeTraits<P6>::ParameterType Parm6; + typedef typename TypeTraits<P7>::ParameterType Parm7; + typedef typename TypeTraits<P8>::ParameterType Parm8; + typedef typename TypeTraits<P9>::ParameterType Parm9; + typedef typename TypeTraits<P10>::ParameterType Parm10; + typedef typename TypeTraits<P11>::ParameterType Parm11; + typedef typename TypeTraits<P12>::ParameterType Parm12; + typedef typename TypeTraits<P13>::ParameterType Parm13; + virtual ~FactoryImpl() {} + virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4, Parm5, + Parm6, Parm7, Parm8, Parm9,Parm10, + Parm11,Parm12,Parm13) + = 0; + }; + + template<typename AP, typename Id, + typename P1,typename P2,typename P3,typename P4,typename P5, + typename P6,typename P7,typename P8,typename P9,typename P10, + typename P11,typename P12,typename P13,typename P14> + struct FactoryImpl<AP, Id, LOKI_TYPELIST_14( P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14 )> + : public FactoryImplBase + { + typedef typename TypeTraits<P1>::ParameterType Parm1; + typedef typename TypeTraits<P2>::ParameterType Parm2; + typedef typename TypeTraits<P3>::ParameterType Parm3; + typedef typename TypeTraits<P4>::ParameterType Parm4; + typedef typename TypeTraits<P5>::ParameterType Parm5; + typedef typename TypeTraits<P6>::ParameterType Parm6; + typedef typename TypeTraits<P7>::ParameterType Parm7; + typedef typename TypeTraits<P8>::ParameterType Parm8; + typedef typename TypeTraits<P9>::ParameterType Parm9; + typedef typename TypeTraits<P10>::ParameterType Parm10; + typedef typename TypeTraits<P11>::ParameterType Parm11; + typedef typename TypeTraits<P12>::ParameterType Parm12; + typedef typename TypeTraits<P13>::ParameterType Parm13; + typedef typename TypeTraits<P14>::ParameterType Parm14; + virtual ~FactoryImpl() {} + virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4, Parm5, + Parm6, Parm7, Parm8, Parm8,Parm10, + Parm11,Parm12,Parm13,Parm14) + = 0; + }; + + template<typename AP, typename Id, + typename P1,typename P2,typename P3,typename P4,typename P5, + typename P6,typename P7,typename P8,typename P9,typename P10, + typename P11,typename P12,typename P13,typename P14,typename P15 > + struct FactoryImpl<AP, Id, LOKI_TYPELIST_15( P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, P15 )> + : public FactoryImplBase + { + typedef typename TypeTraits<P1>::ParameterType Parm1; + typedef typename TypeTraits<P2>::ParameterType Parm2; + typedef typename TypeTraits<P3>::ParameterType Parm3; + typedef typename TypeTraits<P4>::ParameterType Parm4; + typedef typename TypeTraits<P5>::ParameterType Parm5; + typedef typename TypeTraits<P6>::ParameterType Parm6; + typedef typename TypeTraits<P7>::ParameterType Parm7; + typedef typename TypeTraits<P8>::ParameterType Parm8; + typedef typename TypeTraits<P9>::ParameterType Parm9; + typedef typename TypeTraits<P10>::ParameterType Parm10; + typedef typename TypeTraits<P11>::ParameterType Parm11; + typedef typename TypeTraits<P12>::ParameterType Parm12; + typedef typename TypeTraits<P13>::ParameterType Parm13; + typedef typename TypeTraits<P14>::ParameterType Parm14; + typedef typename TypeTraits<P15>::ParameterType Parm15; + virtual ~FactoryImpl() {} + virtual AP* CreateObject(const Id& id,Parm1, Parm2, Parm3, Parm4, Parm5, + Parm6, Parm7, Parm8, Parm9,Parm10, + Parm11,Parm12,Parm13,Parm14,Parm15 ) + = 0; + }; + +#endif //LOKI_DISABLE_TYPELIST_MACROS + + +//////////////////////////////////////////////////////////////////////////////// +/// \class Factory +/// +/// \ingroup FactoryGroup +/// Implements a generic object factory. +/// +/// Create functions can have up to 15 parameters. +/// +/// \par Singleton lifetime when used with Loki::SingletonHolder +/// Because Factory uses internally Functors which inherits from +/// SmallObject you must use the singleton lifetime +/// \code Loki::LongevityLifetime::DieAsSmallObjectChild \endcode +/// Alternatively you could suppress for Functor the inheritance +/// from SmallObject by defining the macro: +/// \code LOKI_FUNCTOR_IS_NOT_A_SMALLOBJECT \endcode +//////////////////////////////////////////////////////////////////////////////// + template + < + class AbstractProduct, + typename IdentifierType, + typename CreatorParmTList = NullType, + template<typename, class> class FactoryErrorPolicy = DefaultFactoryError + > + class Factory : public FactoryErrorPolicy<IdentifierType, AbstractProduct> + { + typedef FactoryImpl< AbstractProduct, IdentifierType, CreatorParmTList > Impl; + + typedef typename Impl::Parm1 Parm1; + typedef typename Impl::Parm2 Parm2; + typedef typename Impl::Parm3 Parm3; + typedef typename Impl::Parm4 Parm4; + typedef typename Impl::Parm5 Parm5; + typedef typename Impl::Parm6 Parm6; + typedef typename Impl::Parm7 Parm7; + typedef typename Impl::Parm8 Parm8; + typedef typename Impl::Parm9 Parm9; + typedef typename Impl::Parm10 Parm10; + typedef typename Impl::Parm11 Parm11; + typedef typename Impl::Parm12 Parm12; + typedef typename Impl::Parm13 Parm13; + typedef typename Impl::Parm14 Parm14; + typedef typename Impl::Parm15 Parm15; + + typedef Functor<AbstractProduct*, CreatorParmTList> ProductCreator; + + typedef AssocVector<IdentifierType, ProductCreator> IdToProductMap; + + IdToProductMap associations_; + + public: + + Factory() + : associations_() + { + } + + ~Factory() + { + associations_.erase(associations_.begin(), associations_.end()); + } + + bool Register(const IdentifierType& id, ProductCreator creator) + { + return associations_.insert( + typename IdToProductMap::value_type(id, creator)).second != 0; + } + + template <class PtrObj, typename CreaFn> + bool Register(const IdentifierType& id, const PtrObj& p, CreaFn fn) + { + ProductCreator creator( p, fn ); + return associations_.insert( + typename IdToProductMap::value_type(id, creator)).second != 0; + } + + bool Unregister(const IdentifierType& id) + { + return associations_.erase(id) != 0; + } + + std::vector<IdentifierType> RegisteredIds() + { + std::vector<IdentifierType> ids; + for(typename IdToProductMap::iterator it = associations_.begin(); + it != associations_.end(); ++it) + { + ids.push_back(it->first); + } + return ids; + } + + AbstractProduct* CreateObject(const IdentifierType& id) + { + typename IdToProductMap::iterator i = associations_.find(id); + if (i != associations_.end()) + return (i->second)( ); + return this->OnUnknownType(id); + } + + AbstractProduct* CreateObject(const IdentifierType& id, + Parm1 p1) + { + typename IdToProductMap::iterator i = associations_.find(id); + if (i != associations_.end()) + return (i->second)( p1 ); + return this->OnUnknownType(id); + } + + AbstractProduct* CreateObject(const IdentifierType& id, + Parm1 p1, Parm2 p2) + { + typename IdToProductMap::iterator i = associations_.find(id); + if (i != associations_.end()) + return (i->second)( p1,p2 ); + return this->OnUnknownType(id); + } + + AbstractProduct* CreateObject(const IdentifierType& id, + Parm1 p1, Parm2 p2, Parm3 p3) + { + typename IdToProductMap::iterator i = associations_.find(id); + if (i != associations_.end()) + return (i->second)( p1,p2,p3 ); + return this->OnUnknownType(id); + } + + AbstractProduct* CreateObject(const IdentifierType& id, + Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4) + { + typename IdToProductMap::iterator i = associations_.find(id); + if (i != associations_.end()) + return (i->second)( p1,p2,p3,p4 ); + return this->OnUnknownType(id); + } + + AbstractProduct* CreateObject(const IdentifierType& id, + Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4, Parm5 p5) + { + typename IdToProductMap::iterator i = associations_.find(id); + if (i != associations_.end()) + return (i->second)( p1,p2,p3,p4,p5 ); + return this->OnUnknownType(id); + } + + AbstractProduct* CreateObject(const IdentifierType& id, + Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4, Parm5 p5, + Parm6 p6) + { + typename IdToProductMap::iterator i = associations_.find(id); + if (i != associations_.end()) + return (i->second)( p1,p2,p3,p4,p5,p6 ); + return this->OnUnknownType(id); + } + + AbstractProduct* CreateObject(const IdentifierType& id, + Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4, Parm5 p5, + Parm6 p6, Parm7 p7 ) + { + typename IdToProductMap::iterator i = associations_.find(id); + if (i != associations_.end()) + return (i->second)( p1,p2,p3,p4,p5,p6,p7 ); + return this->OnUnknownType(id); + } + + AbstractProduct* CreateObject(const IdentifierType& id, + Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4, Parm5 p5, + Parm6 p6, Parm7 p7, Parm8 p8) + { + typename IdToProductMap::iterator i = associations_.find(id); + if (i != associations_.end()) + return (i->second)( p1,p2,p3,p4,p5,p6,p7,p8 ); + return this->OnUnknownType(id); + } + + AbstractProduct* CreateObject(const IdentifierType& id, + Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4, Parm5 p5, + Parm6 p6, Parm7 p7, Parm8 p8, Parm9 p9) + { + typename IdToProductMap::iterator i = associations_.find(id); + if (i != associations_.end()) + return (i->second)( p1,p2,p3,p4,p5,p6,p7,p8,p9 ); + return this->OnUnknownType(id); + } + AbstractProduct* CreateObject(const IdentifierType& id, + Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4, Parm5 p5, + Parm6 p6, Parm7 p7, Parm8 p8, Parm9 p9,Parm10 p10) + { + typename IdToProductMap::iterator i = associations_.find(id); + if (i != associations_.end()) + return (i->second)( p1,p2,p3,p4,p5,p6,p7,p8,p9,p10 ); + return this->OnUnknownType(id); + } + + AbstractProduct* CreateObject(const IdentifierType& id, + Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4, Parm5 p5, + Parm6 p6, Parm7 p7, Parm8 p8, Parm9 p9, Parm10 p10, + Parm11 p11) + { + typename IdToProductMap::iterator i = associations_.find(id); + if (i != associations_.end()) + return (i->second)( p1,p2,p3,p4,p5,p6,p7,p8,p9,p10,p11 ); + return this->OnUnknownType(id); + } + + AbstractProduct* CreateObject(const IdentifierType& id, + Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4, Parm5 p5, + Parm6 p6, Parm7 p7, Parm8 p8, Parm9 p9, Parm10 p10, + Parm11 p11, Parm12 p12) + { + typename IdToProductMap::iterator i = associations_.find(id); + if (i != associations_.end()) + return (i->second)( p1,p2,p3,p4,p5,p6,p7,p8,p9,p10,p11,p12 ); + return this->OnUnknownType(id); + } + + AbstractProduct* CreateObject(const IdentifierType& id, + Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4, Parm5 p5, + Parm6 p6, Parm7 p7, Parm8 p8, Parm9 p9, Parm10 p10, + Parm11 p11, Parm12 p12, Parm13 p13) + { + typename IdToProductMap::iterator i = associations_.find(id); + if (i != associations_.end()) + return (i->second)( p1,p2,p3,p4,p5,p6,p7,p8,p9,p10,p11,p12,p13 ); + return this->OnUnknownType(id); + } + + AbstractProduct* CreateObject(const IdentifierType& id, + Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4, Parm5 p5, + Parm6 p6, Parm7 p7, Parm8 p8, Parm9 p9, Parm10 p10, + Parm11 p11, Parm12 p12, Parm13 p13, Parm14 p14) + { + typename IdToProductMap::iterator i = associations_.find(id); + if (i != associations_.end()) + return (i->second)( p1,p2,p3,p4,p5,p6,p7,p8,p9,p10,p11,p12,p13,p14 ); + return this->OnUnknownType(id); + } + + AbstractProduct* CreateObject(const IdentifierType& id, + Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4, Parm5 p5, + Parm6 p6, Parm7 p7, Parm8 p8, Parm9 p9, Parm10 p10, + Parm11 p11, Parm12 p12, Parm13 p13, Parm14 p14, Parm15 p15) + { + typename IdToProductMap::iterator i = associations_.find(id); + if (i != associations_.end()) + return (i->second)( p1,p2,p3,p4,p5,p6,p7,p8,p9,p10,p11,p12,p13,p14,p15 ); + return this->OnUnknownType(id); + } + + }; + +#else + + template + < + class AbstractProduct, + typename IdentifierType, + typename ProductCreator = AbstractProduct* (*)(), + template<typename, class> + class FactoryErrorPolicy = DefaultFactoryError + > + class Factory + : public FactoryErrorPolicy<IdentifierType, AbstractProduct> + { + public: + bool Register(const IdentifierType& id, ProductCreator creator) + { + return associations_.insert( + typename IdToProductMap::value_type(id, creator)).second != 0; + } + + bool Unregister(const IdentifierType& id) + { + return associations_.erase(id) != 0; + } + + AbstractProduct* CreateObject(const IdentifierType& id) + { + typename IdToProductMap::iterator i = associations_.find(id); + if (i != associations_.end()) + { + return (i->second)(); + } + return this->OnUnknownType(id); + } + + private: + typedef AssocVector<IdentifierType, ProductCreator> IdToProductMap; + IdToProductMap associations_; + }; + +#endif //#define ENABLE_NEW_FACTORY_CODE + +/** + * \defgroup CloneFactoryGroup Clone Factory + * \ingroup FactoriesGroup + * \brief Creates a copy from a polymorphic object. + * + * \class CloneFactory + * \ingroup CloneFactoryGroup + * \brief Creates a copy from a polymorphic object. + */ + + template + < + class AbstractProduct, + class ProductCreator = + AbstractProduct* (*)(const AbstractProduct*), + template<typename, class> + class FactoryErrorPolicy = DefaultFactoryError + > + class CloneFactory + : public FactoryErrorPolicy<TypeInfo, AbstractProduct> + { + public: + bool Register(const TypeInfo& ti, ProductCreator creator) + { + return associations_.insert( + typename IdToProductMap::value_type(ti, creator)).second != 0; + } + + bool Unregister(const TypeInfo& id) + { + return associations_.erase(id) != 0; + } + + AbstractProduct* CreateObject(const AbstractProduct* model) + { + if (model == NULL) + { + return NULL; + } + + typename IdToProductMap::iterator i = + associations_.find(typeid(*model)); + + if (i != associations_.end()) + { + return (i->second)(model); + } + return this->OnUnknownType(typeid(*model)); + } + + private: + typedef AssocVector<TypeInfo, ProductCreator> IdToProductMap; + IdToProductMap associations_; + }; + +} // namespace Loki + + +#ifdef _MSC_VER +#pragma warning( pop ) +#endif + +#endif // end file guardian + |