mirror of
https://github.com/thug1src/thug.git
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159 lines
4.5 KiB
C
159 lines
4.5 KiB
C
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/*****************************************************************************
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** **
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** Neversoft Entertainment **
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** **
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** Copyright (C) 1999 - All Rights Reserved **
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** **
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******************************************************************************
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** **
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** Project: Core Library **
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** **
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** Module: Task (TSK_) **
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** **
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** File name: core/task/hook.h **
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** **
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** Created: 05/27/99 - mjb **
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** **
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*****************************************************************************/
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#ifndef __CORE_TASK_HOOK_H
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#define __CORE_TASK_HOOK_H
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/*****************************************************************************
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** Includes **
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*****************************************************************************/
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/*****************************************************************************
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** Defines **
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*****************************************************************************/
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namespace Tsk
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{
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/*****************************************************************************
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** Class Definitions **
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*****************************************************************************/
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/***********************************************************************
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*
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* Class: BaseHook
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*
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* Description: abstract base class for code hook
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* defines minimal interface
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*
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***********************************************************************/
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class BaseHook : public Spt::Class
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{
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public :
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virtual void Call( void ) const = 0;
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protected :
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BaseHook( void ) {}
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};
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/***********************************************************************
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*
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* Class: Hook< _T >
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*
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* Description: derived template class for hook with typed data field
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*
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***********************************************************************/
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nTemplateSubClass( _T, Hook, BaseHook )
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{
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public :
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typedef void ( Code )( const Hook< _T >& );
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Hook( Code* code, _T& data );
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void Call( void ) const;
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_T& GetData( void ) const;
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private :
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Code* const code;
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_T& data;
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};
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/*****************************************************************************
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** Private Declarations **
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*****************************************************************************/
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/*****************************************************************************
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** Private Prototypes **
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*****************************************************************************/
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/*****************************************************************************
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** Public Declarations **
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*****************************************************************************/
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/*****************************************************************************
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** Public Prototypes **
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*****************************************************************************/
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/*****************************************************************************
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** Inline Functions **
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*****************************************************************************/
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template < class _T > inline
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Hook< _T >::Hook( Code* _code, _T& _data )
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: code( _code ), data( _data )
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{
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}
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/******************************************************************/
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/* */
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/* */
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/******************************************************************/
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template < class _T > inline
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void Hook< _T >::Call( void ) const
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{
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Dbg_AssertPtr( code );
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code( *this );
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}
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/******************************************************************/
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/* */
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/* */
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/******************************************************************/
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template < class _T > inline
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_T& Hook< _T >::GetData( void ) const
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{
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Dbg_AssertType( &data, _T );
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return data;
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}
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/******************************************************************/
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/* */
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/* */
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/******************************************************************/
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} // namespace Tsk
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#endif // __CORE_TASK_HOOK_H
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