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