FCollada: FUtils/FUSingleton.h Source File

00001 /*
00002     Copyright (C) 2005-2006 Feeling Software Inc.
00003     MIT License: http://www.opensource.org/licenses/mit-license.php
00004 */
00005 /*
00006     Taken off the Protect project in 2005.
00007 */
00008 
00019 #ifndef _FU_SINGLETON_H_
00020 #define _FU_SINGLETON_H_
00021 
00025 #define DECLARE_SINGLETON_CLASS(className) \
00026 private: \
00027     static className* m_pSingleton; \
00028 public: \
00029     static bool CreateSingleton(); \
00030     static void DestroySingleton(); \
00031     friend className* Get##className();
00032 
00037 #define DECLARE_SINGLETON_CLASS_WITH_ARGS(className, createArgs) \
00038 private: \
00039     static className* m_pSingleton; \
00040 public: \
00041     static bool CreateSingleton(createArgs); \
00042     static void DestroySingleton(); \
00043     friend className* Get##className();
00044 
00050 #define DECLARE_SINGLETON_CLASS_WITH_ARGS2(className, createArgs1, createArgs2) \
00051 private: \
00052     static className* m_pSingleton; \
00053 public: \
00054     static bool CreateSingleton(createArgs1, createArgs2); \
00055     static void DestroySingleton(); \
00056     friend className* Get##className();
00057 
00061 #define IMPLEMENT_SINGLETON(className) \
00062     IMPLEMENT_CREATE_SINGLETON(className) \
00063     IMPLEMENT_DESTROY_SINGLETON(className)
00064 
00069 #define IMPLEMENT_SINGLETON_WITH_ARGS(className, createArg1) \
00070     IMPLEMENT_CREATE_SINGLETON_WITH_ARGS(className, createArg1) \
00071     IMPLEMENT_DESTROY_SINGLETON(className)
00072 
00078 #define IMPLEMENT_SINGLETON_WITH_ARGS2(className, createArg1, createArg2) \
00079     IMPLEMENT_CREATE_SINGLETON_WITH_ARGS2(className, createArg1, createArg2) \
00080     IMPLEMENT_DESTROY_SINGLETON(className)
00081 
00085 #define IMPLEMENT_CREATE_SINGLETON(className) \
00086     className* className::m_pSingleton; \
00087     className* Get##className() { return className::m_pSingleton; } \
00088     bool className::CreateSingleton() { \
00089         m_pSingleton = new className(); \
00090         return true; }
00091 
00096 #define IMPLEMENT_CREATE_SINGLETON_WITH_ARGS(className, createArg1) \
00097     className* className::m_pSingleton; \
00098     className* Get##className() { return className::m_pSingleton; } \
00099     bool className::CreateSingleton(createArg1 argument1) { \
00100         m_pSingleton = new className(argument1); }
00101 
00107 #define IMPLEMENT_CREATE_SINGLETON_WITH_ARGS2(className, createArg1, createArg2) \
00108     className* className::m_pSingleton; \
00109     className* Get##className() { return className::m_pSingleton; } \
00110     bool className::CreateSingleton(createArg1 argument1, createArg2 argument2) { \
00111         m_pSingleton = new className(argument1, argument2); }
00112 
00116 #define IMPLEMENT_DESTROY_SINGLETON(className) \
00117     void className::DestroySingleton() \
00118     { SAFE_DELETE(m_pSingleton); }
00119 
00120 #endif // _FU_SINGLETON_H_