/////////////////////////////////////////////////////////////////////////////////// // // Microsoft WMIOLE DB Provider // (C) Copyright 1999 Microsoft Corporation. All Rights Reserved. // // @module Binder.h | Binder.cpp base object and contained interface // // /////////////////////////////////////////////////////////////////////////////////// #ifndef _BINDER_H_ #define _BINDER_H_ #include "headers.h" // forward declaration class CImplICreateRow; class CImplIDBBinderProperties; class CImplIBindResource; typedef CImplICreateRow* PICREATEROW; typedef CImplIDBBinderProperties* PIDBBINDERPROPERTIES; typedef CImplIBindResource* PIDBBINDRESOURCE; typedef CDBSession* PDBSESSION; class CBinder:public CBaseObj { friend class CImplICreateRow; friend class CImplIDBBinderProperties; friend class CImplIBindResource; CDataSource* m_pDataSrc; CDBSession* m_pSession; //Parent Session Object PICREATEROW m_pICreateRow; PIDBBINDERPROPERTIES m_pIBinderProperties; PIDBBINDRESOURCE m_pIBindResource; PIMPISUPPORTERRORINFO m_pISupportErrorInfo; // contained ISupportErrorInfo CUtilProp* m_pUtilProp; CURLParser* m_pUrlParser; BOOL m_fDSOInitialized; HRESULT CreateDSO(IUnknown *pUnkOuter,LONG lInitFlag, REFGUID guidTemp,IUnknown ** ppUnk); HRESULT CreateSession(IUnknown *pUnkOuter, REFGUID guidTemp,IUnknown ** ppUnk); HRESULT CreateCommand(IUnknown *pUnkOuter, REFGUID guidTemp,IUnknown ** ppUnk); HRESULT CreateRow(IUnknown *pUnkOuter, REFGUID guidTemp,IUnknown ** ppUnk , ROWCREATEBINDFLAG rowCreateFlag = ROWOPEN); HRESULT CreateRowset(IUnknown *pUnkOuter, REFGUID guidTemp,IUnknown ** ppUnk); // void GetInitAndBindFlagsFromBindFlags(DBBINDURLFLAG dwBindURLFlags,LONG & lInitMode ,LONG & lInitBindFlags); HRESULT ReleaseAllObjects(); HRESULT AddInterfacesForISupportErrorInfo(); public: CBinder(LPUNKNOWN pUnkOuter); ~CBinder(); HRESULT InitBinder(); STDMETHODIMP QueryInterface(REFIID, LPVOID *); STDMETHODIMP_(ULONG) AddRef(void); STDMETHODIMP_(ULONG) Release(void); }; class CImplIBindResource : public IBindResource { private: CBinder *m_pObj; DEBUGCODE(ULONG m_cRef); BOOL CheckBindURLFlags(DBBINDURLFLAG dwBindURLFlags , REFGUID rguid); // Function to check if proper flags are // are set for the require object // To check if URL Matches the requested type of object BOOL CheckIfProperURL(BSTR & strUrl,REFGUID rguid,DBBINDURLSTATUS * pdwBindStatus); HRESULT BindURL(IUnknown * pUnkOuter, LPCOLESTR pwszURL, DBBINDURLFLAG dwBindURLFlags, REFGUID rguid, REFIID riid, DBIMPLICITSESSION * pImplSession, DBBINDURLSTATUS * pdwBindStatus, IUnknown ** ppUnk); // void GetInitAndBindFlagsFromBindFlags(DBBINDURLFLAG dwBindURLFlags,LONG & lInitMode ,LONG & lInitBindFlags); public: CImplIBindResource( CBinder *pObj ) { DEBUGCODE(m_cRef = 0L); m_pObj = pObj; } ~CImplIBindResource() { } STDMETHODIMP_(ULONG) AddRef(void) { DEBUGCODE(InterlockedIncrement((long*)&m_cRef)); return m_pObj->GetOuterUnknown()->AddRef(); } STDMETHODIMP_(ULONG) Release(void) { DEBUGCODE(long lRef = InterlockedDecrement((long*)&m_cRef); if( lRef < 0 ){ ASSERT("Reference count on Object went below 0!") }) return m_pObj->GetOuterUnknown()->Release(); } STDMETHODIMP QueryInterface(REFIID riid, LPVOID *ppv) { return m_pObj->GetOuterUnknown()->QueryInterface(riid, ppv); } STDMETHODIMP Bind( IUnknown * pUnkOuter, LPCOLESTR pwszURL, DBBINDURLFLAG dwBindURLFlags, REFGUID rguid, REFIID riid, IAuthenticate * pAuthenticate, DBIMPLICITSESSION * pImplSession, DBBINDURLSTATUS * pdwBindStatus, IUnknown ** ppUnk); }; class CImplICreateRow : public ICreateRow { private: CBinder *m_pObj; DEBUGCODE(ULONG m_cRef); BOOL CheckBindURLFlags(DBBINDURLFLAG dwBindURLFlags , REFGUID rguid); BOOL CheckIfProperURL(BSTR & strUrl,REFGUID rguid,DBBINDURLSTATUS * pdwBindStatus); HRESULT BindURL( IUnknown * pUnkOuter, LPCOLESTR pwszURL, DBBINDURLFLAG dwBindURLFlags, REFGUID rguid, REFIID riid, DBIMPLICITSESSION * pImplSession, DBBINDURLSTATUS * pdwBindStatus, IUnknown ** ppUnk); HRESULT CreateNewRow( IUnknown * pUnkOuter, LPCOLESTR pwszURL, DBBINDURLFLAG dwBindURLFlags, REFGUID rguid, REFIID riid, DBIMPLICITSESSION * pImplSession, DBBINDURLSTATUS * pdwBindStatus, IUnknown ** ppUnk); public: CImplICreateRow( CBinder *pObj ) { DEBUGCODE(m_cRef = 0L); m_pObj = pObj; } ~CImplICreateRow() { } STDMETHODIMP_(ULONG) AddRef(void) { DEBUGCODE(InterlockedIncrement((long*)&m_cRef)); return m_pObj->GetOuterUnknown()->AddRef(); } STDMETHODIMP_(ULONG) Release(void) { DEBUGCODE(long lRef = InterlockedDecrement((long*)&m_cRef); if( lRef < 0 ){ ASSERT("Reference count on Object went below 0!") }) return m_pObj->GetOuterUnknown()->Release(); } STDMETHODIMP QueryInterface(REFIID riid, LPVOID *ppv) { return m_pObj->GetOuterUnknown()->QueryInterface(riid, ppv); } STDMETHODIMP CreateRow(IUnknown * pUnkOuter, LPCOLESTR pwszURL, DBBINDURLFLAG dwBindURLFlags, REFGUID rguid, REFIID riid, IAuthenticate * pAuthenticate, DBIMPLICITSESSION * pImplSession, DBBINDURLSTATUS * pdwBindStatus, LPOLESTR * ppwszNewURL, IUnknown ** ppUnk); }; class CImplIDBBinderProperties : public IDBBinderProperties { private: CBinder *m_pObj; DEBUGCODE(ULONG m_cRef); DWORD GetBitMask(REFGUID rguid); public: CImplIDBBinderProperties( CBinder *pObj ) { DEBUGCODE(m_cRef = 0L); m_pObj = pObj; } ~CImplIDBBinderProperties() { } STDMETHODIMP_(ULONG) AddRef(void) { DEBUGCODE(InterlockedIncrement((long*)&m_cRef)); return m_pObj->GetOuterUnknown()->AddRef(); } STDMETHODIMP_(ULONG) Release(void) { DEBUGCODE(long lRef = InterlockedDecrement((long*)&m_cRef); if( lRef < 0 ){ ASSERT("Reference count on Object went below 0!") }) return m_pObj->GetOuterUnknown()->Release(); } STDMETHODIMP QueryInterface(REFIID riid, LPVOID *ppv) { return m_pObj->GetOuterUnknown()->QueryInterface(riid, ppv); } //========================================================== // IDBProperties member functions //========================================================== STDMETHODIMP GetProperties // GetProperties method ( ULONG cPropertySets, const DBPROPIDSET rgPropertySets[], ULONG* pcProperties, DBPROPSET** prgProperties ); STDMETHODIMP GetPropertyInfo // GetPropertyInfo method ( ULONG cPropertySets, const DBPROPIDSET rgPropertySets[], ULONG* pcPropertyInfoSets, DBPROPINFOSET** prgPropertyInfoSets, WCHAR** ppDescBuffer ); STDMETHODIMP SetProperties // SetProperties method ( ULONG cProperties, DBPROPSET rgProperties[] ); STDMETHODIMP Reset(); }; #endif