165 lines
4.4 KiB
C++
165 lines
4.4 KiB
C++
//***************************************************************************
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//
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// Copyright (c) 1997-1999 Microsoft Corporation
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//
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// SmartPtr.h
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//
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// Purpose: Declare smartpointer typedefs
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//
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//***************************************************************************
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#pragma once
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#include <io.h>
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#include <comdef.h>
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_COM_SMARTPTR_TYPEDEF(CInstance, __uuidof(CInstance));
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_COM_SMARTPTR_TYPEDEF(IWbemClassObject, __uuidof(IWbemClassObject));
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_COM_SMARTPTR_TYPEDEF(IWbemQualifierSet, __uuidof(IWbemQualifierSet));
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_COM_SMARTPTR_TYPEDEF(IWbemObjectAccess, __uuidof(IWbemObjectAccess));
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_COM_SMARTPTR_TYPEDEF(IWbemServices, __uuidof(IWbemServices));
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_COM_SMARTPTR_TYPEDEF(IWbemContext, __uuidof(IWbemContext));
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_COM_SMARTPTR_TYPEDEF(IWbemCallResult, __uuidof(IWbemCallResult));
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_COM_SMARTPTR_TYPEDEF(IWbemObjectSink, __uuidof(IWbemObjectSink));
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_COM_SMARTPTR_TYPEDEF(IEnumWbemClassObject, __uuidof(IEnumWbemClassObject));
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_COM_SMARTPTR_TYPEDEF(IWbemLocator, __uuidof(IWbemLocator));
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_COM_SMARTPTR_TYPEDEF(IUnsecuredApartment, __uuidof(IUnsecuredApartment));
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_COM_SMARTPTR_TYPEDEF(IWbemStatusCodeText, __uuidof(IWbemStatusCodeText));
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_COM_SMARTPTR_TYPEDEF(IWbemRefresher, __uuidof(IWbemRefresher));
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_COM_SMARTPTR_TYPEDEF(IWbemHiPerfEnum, __uuidof(IWbemHiPerfEnum));
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_COM_SMARTPTR_TYPEDEF(IWbemConfigureRefresher, __uuidof(IWbemConfigureRefresher));
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_COM_SMARTPTR_TYPEDEF(IMofCompiler, __uuidof(IMofCompiler));
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_COM_SMARTPTR_TYPEDEF(ExternalMethodContext, __uuidof(ExternalMethodContext));
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_COM_SMARTPTR_TYPEDEF(InternalMethodContext, __uuidof(InternalMethodContext));
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_COM_SMARTPTR_TYPEDEF(InternalMethodContextAsynch, __uuidof(InternalMethodContextAsynch));
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class SmartCloseHandle
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{
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private:
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HANDLE m_h;
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public:
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SmartCloseHandle():m_h(INVALID_HANDLE_VALUE){}
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SmartCloseHandle(HANDLE h):m_h(h){}
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~SmartCloseHandle(){if (m_h!=INVALID_HANDLE_VALUE) CloseHandle(m_h);}
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HANDLE operator =(HANDLE h) {if (m_h!=INVALID_HANDLE_VALUE) CloseHandle(m_h); m_h=h; return h;}
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operator HANDLE() const {return m_h;}
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HANDLE* operator &() {if (m_h!=INVALID_HANDLE_VALUE) CloseHandle(m_h); m_h = INVALID_HANDLE_VALUE; return &m_h;}
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};
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class Smart_findclose
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{
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private:
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long m_h;
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public:
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Smart_findclose():m_h(0){}
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Smart_findclose(long h):m_h(h){}
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~Smart_findclose(){if (m_h!=0) _findclose(m_h);}
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long operator =(long h) {if (m_h) _findclose(m_h); m_h=h; return h;}
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operator long() const {return m_h;}
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long* operator &() {if (m_h) _findclose(m_h); m_h = 0; return &m_h;}
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};
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class SmartFindClose
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{
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private:
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HANDLE m_h;
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public:
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SmartFindClose():m_h(INVALID_HANDLE_VALUE){}
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SmartFindClose(HANDLE h):m_h(h){}
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~SmartFindClose(){if (m_h!=INVALID_HANDLE_VALUE) FindClose(m_h);}
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HANDLE operator =(HANDLE h) {if (m_h!=INVALID_HANDLE_VALUE) FindClose(m_h); m_h=h; return h;}
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operator HANDLE() const {return m_h;}
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HANDLE* operator &() {if (m_h!=INVALID_HANDLE_VALUE) FindClose(m_h); m_h = INVALID_HANDLE_VALUE; return &m_h;}
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};
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class SmartCloseServiceHandle
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{
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private:
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SC_HANDLE m_h;
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public:
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SmartCloseServiceHandle():m_h(NULL){}
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SmartCloseServiceHandle(SC_HANDLE h):m_h(h){}
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~SmartCloseServiceHandle(){if (m_h!=NULL) CloseServiceHandle(m_h);}
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SC_HANDLE operator =(SC_HANDLE h) {if (m_h!=NULL) CloseServiceHandle(m_h); m_h=h; return h;}
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operator SC_HANDLE() const {return m_h;}
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SC_HANDLE* operator &() {if (m_h!=NULL) CloseServiceHandle(m_h); m_h = NULL; return &m_h;}
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};
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class CSmartCreatedDC
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{
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public:
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CSmartCreatedDC(HDC hdc) { m_hdc = hdc;}
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operator HDC() const {return m_hdc;}
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~CSmartCreatedDC()
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{
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if (m_hdc)
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DeleteDC(m_hdc);
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}
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protected:
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HDC m_hdc;
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};
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class CSmartBuffer
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{
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private:
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LPBYTE m_pBuffer;
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public:
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CSmartBuffer() : m_pBuffer(NULL) {}
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CSmartBuffer(LPBYTE pBuffer) : m_pBuffer(pBuffer) {}
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CSmartBuffer(DWORD dwSize)
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{
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m_pBuffer = new BYTE[dwSize];
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if (m_pBuffer == NULL)
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{
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throw CHeap_Exception ( CHeap_Exception :: E_ALLOCATION_ERROR ) ;
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}
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}
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~CSmartBuffer()
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{
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Free();
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}
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LPBYTE operator =(LPBYTE pBuffer)
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{
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Free();
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m_pBuffer = pBuffer;
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return m_pBuffer;
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}
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operator LPBYTE() const { return m_pBuffer; }
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LPBYTE* operator &()
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{
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Free();
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m_pBuffer = NULL;
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return &m_pBuffer;
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}
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protected:
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void Free()
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{
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if (m_pBuffer != NULL)
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{
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delete [] m_pBuffer;
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}
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}
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};
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