/usr/include/codeblocks/cbfunctor.h is in codeblocks-dev 13.12+dfsg-4.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 | /*
* This file is part of the Code::Blocks IDE and licensed under the GNU Lesser General Public License, version 3
* http://www.gnu.org/licenses/lgpl-3.0.html
*/
#ifndef CB_FUNCTOR_H
#define CB_FUNCTOR_H
//uncomment the below line if you want to do the performance measure of the event processing
//#define PPRCESS_EVENT_PERFORMANCE_MEASURE
#ifdef PPRCESS_EVENT_PERFORMANCE_MEASURE
#include <typeinfo> // typeid()
#endif // PPRCESS_EVENT_PERFORMANCE_MEASURE
/** Base abstract functor class. All functors must extend this interface. */
class IFunctorBase
{
public:
virtual ~IFunctorBase(){}
virtual void* GetThis() = 0;
#ifdef PPRCESS_EVENT_PERFORMANCE_MEASURE
// return the function name, this is used for Functor performance measure
virtual const char* GetTypeName() = 0;
#endif // PPRCESS_EVENT_PERFORMANCE_MEASURE
};
/** Base abstract event functor class. All event functors must extend this interface.*/
template<typename EventType> class IEventFunctorBase : public IFunctorBase
{
public:
virtual void Call(EventType& event) = 0;
};
/** Event functor class. */
template<class ClassType, typename EventType> class cbEventFunctor : public IEventFunctorBase<EventType>
{
private:
typedef void (ClassType::*Member)(EventType&);
ClassType* m_pThis;
Member m_pMember;
public:
cbEventFunctor(ClassType* this_, Member member) : m_pThis(this_), m_pMember(member) {}
cbEventFunctor(const cbEventFunctor<ClassType, EventType>& rhs) : m_pThis(rhs.m_pThis), m_pMember(rhs.m_pMember) {}
virtual void* GetThis() { return m_pThis; }
// usually the m_pThis is a pointer the instance of a specified class of ClassType
// the m_pMember is a member function of the ClassType, so just call this member function
virtual void Call(EventType& event) { if (m_pThis) (m_pThis->*m_pMember)(event); }
#ifdef PPRCESS_EVENT_PERFORMANCE_MEASURE
// show the name by typeid operator
virtual const char* GetTypeName(){return typeid(m_pMember).name();}
#endif // PPRCESS_EVENT_PERFORMANCE_MEASURE
};
#endif // CB_FUNCTOR_H
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