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[721] | 1 | #ifndef __BBCSINGLETON_H__
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| 2 | #define __BBCSINGLETON_H__
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[700] | 3 |
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| 4 | namespace BBC {
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| 5 |
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| 6 |
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| 7 | template <typename T> class _BBCExport CSingleton
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| 8 | {
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| 9 | protected:
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| 10 |
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| 11 | static T* ms_Singleton;
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| 12 |
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| 13 | public:
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| 14 | CSingleton( void )
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| 15 | {
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| 16 | assert( !ms_Singleton );
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| 17 | #if defined( _MSC_VER ) && _MSC_VER < 1200
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| 18 | int offset = (int)(T*)1 - (int)(CSingleton <T>*)(T*)1;
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| 19 | ms_Singleton = (T*)((int)this + offset);
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| 20 | #else
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| 21 | ms_Singleton = static_cast< T* >( this );
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| 22 | #endif
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| 23 | }
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| 24 | ~CSingleton( void )
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| 25 | { assert( ms_Singleton ); ms_Singleton = 0; }
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| 26 | static T& getSingleton( void )
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| 27 | { assert( ms_Singleton ); return ( *ms_Singleton ); }
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| 28 | static T* getSingletonPtr( void )
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| 29 | { return ms_Singleton; }
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| 30 | };
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| 31 |
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| 32 |
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| 33 | }
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| 34 |
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| 35 | #endif // ! defined __SINGLETON_H__ |
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