128 lines
2.7 KiB
C
128 lines
2.7 KiB
C
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#ifndef __HELPER_H__
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#define __HELPER_H__
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#include <windows.h>
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#include <ole2.h>
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#include <comdef.h>
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#ifndef LENGTH_OF
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#define LENGTH_OF(a) (sizeof(a)/sizeof(a[0]))
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#endif
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#ifndef _DBG_ASSERT
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#ifdef DBG
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#define _DBG_ASSERT(X) { if (!(X)) { DebugBreak(); } }
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#else
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#define _DBG_ASSERT(X)
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#endif
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#endif
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inline void RM(IUnknown * p){
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p->Release();
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};
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template <typename FT, FT F> class OnDelete0
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{
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public:
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OnDelete0(){};
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~OnDelete0(){ F(); };
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};
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template <typename T, typename FT, FT F> class OnDelete
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{
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private:
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T Val_;
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public:
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OnDelete(T Val):Val_(Val){};
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~OnDelete(){ F(Val_); };
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};
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template <typename T1, typename T2, typename FT, FT F> class OnDelete2
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{
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private:
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T1 Val1_;
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T2 Val2_;
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public:
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OnDelete2(T1 Val1,T2 Val2):Val1_(Val1),Val2_(Val2){};
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~OnDelete2(){ F(Val1_,Val2_); };
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};
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template <typename T, typename FT, FT F> class OnDeleteIf
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{
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private:
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T Val_;
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bool bDismiss_;
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public:
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OnDeleteIf(T Val):Val_(Val),bDismiss_(false){};
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void dismiss(bool b = true){ bDismiss_ = b; };
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~OnDeleteIf(){ if (!bDismiss_) F(Val_); };
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};
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template <typename C, typename FT, FT F> class OnDeleteObj0
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{
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private:
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C * pObj_;
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public:
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OnDeleteObj0(C * pObj):pObj_(pObj){};
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~OnDeleteObj0(){ (pObj_->*F)();};
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};
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template <typename C, typename FT, FT F> class OnDeleteObjIf0
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{
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private:
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C * pObj_;
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bool bDismiss_;
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public:
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OnDeleteObjIf0(C * pObj):pObj_(pObj),bDismiss_(false){};
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void dismiss(bool b = true){ bDismiss_ = b; };
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~OnDeleteObjIf0(){ if (!bDismiss_) { (pObj_->*F)(); }; };
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};
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template <typename T, typename C, typename FT, FT F> class OnDeleteObj
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{
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private:
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C * pObj_;
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T Val_;
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public:
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OnDeleteObj(C * pObj,T Val):pObj_(pObj),Val_(Val){};
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~OnDeleteObj(){ (pObj_->*F)(Val_);};
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};
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template <typename T, typename C, typename FT, FT F> class OnDeleteObjIf
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{
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private:
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C * pObj_;
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T Val_;
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bool bDismiss_;
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public:
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OnDeleteObjIf(C * pObj,T Val):pObj_(pObj),Val_(Val),bDismiss_(false){};
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void dismiss(bool b = true){ bDismiss_ = b; };
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~OnDeleteObjIf(){ if (!bDismiss_){ (pObj_->*F)(Val_);};};
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};
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#define RETURN_ON_FALSE( a ) \
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{ BOOL bDoNotReuse = ( a ); if (!bDoNotReuse) return MAKE_HRESULT(SEVERITY_ERROR,FACILITY_WIN32,GetLastError()); }
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#define RETURN_ON_ERR( a ) \
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{ HRESULT hrDoNotReuse = ( a ); if (FAILED(hrDoNotReuse)) return hrDoNotReuse; }
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#define THROW_ON_ERR( a ) \
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{ HRESULT hrDoNotReuse = ( a ); if (FAILED(hrDoNotReuse)) _com_issue_error(hrDoNotReuse); }
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#define THROW_ON_RES( a ) \
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{ LONG lResDoNotReuse = ( a ); if (ERROR_SUCCESS != lResDoNotReuse) _com_issue_error(MAKE_HRESULT(SEVERITY_ERROR,FACILITY_WIN32,lResDoNotReuse)); }
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typedef void (__stdcall *issue_error)(HRESULT);
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inline
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void no_error(HRESULT hr){
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return;
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}
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#endif /*_HELPER_H__*/
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