202 lines
4.6 KiB
C++
202 lines
4.6 KiB
C++
//---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992 - 1996
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//
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// File: ccommand.hxx
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//
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// Contents: Microsoft OleDB/OleDS Data Source Object for LDAP
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//
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//
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// History: 08-01-96 shanksh Created.
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//
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//----------------------------------------------------------------------------
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#ifndef _CCOMMAND_HXX
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#define _CCOMMAND_HXX
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enum COMMAND_STATUS_FLAG {
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// Command Object status flags
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CMD_STATUS_MASK = 0x00000FFF,
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CMD_INITIALIZED = 0x00000001,
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CMD_HAVE_TXN_SUPPORT = 0x00000002,
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CMD_TEXT_SET = 0x00000020,
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CMD_PREPARED = 0x00000040,
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CMD_EXEC_CANCELLED = 0x10000000,
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};
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extern const GUID DBGUID_LDAPDialect;
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// Constant values for dwFlags on ICommand::Execute
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const DWORD EXECUTE_NOROWSET = 0x00000001;
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const DWORD EXECUTE_SUCCESSWITHINFO = 0x00000002;
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const DWORD EXECUTE_NEWHSTMT = 0x00000004;
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const DWORD EXECUTE_NONROWRETURNING = 0x00000008;
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const DWORD EXECUTE_RESTART = 0x00000010;
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class CCommandObject;
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class CCommandObject : INHERIT_TRACKING,
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public IAccessor,
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public IColumnsInfo,
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public ICommandText,
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public ICommandProperties,
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public ICommandPrepare,
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public IConvertType {
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friend class CImpIAccessor;
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protected:
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LPUNKNOWN _pUnkOuter;
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//
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// Parent Session Object
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//
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CSessionObject * _pCSession;
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//
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// Execution Status Flags
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//
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DWORD _dwStatus;
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//
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// Count of Active Rowsets on this command object
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//
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ULONG _cRowsetsOpen;
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//
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// Critical Section for ICommand::Cancel timing issues
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//
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CRITICAL_SECTION _csCancel;
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//
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// GUID for dialect of current text
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//
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GUID _guidCmdDialect;
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//
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// current Command text, if any
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//
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LPWSTR _pszCommandText;
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LPWSTR _pszCommandTextCp;
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LPWSTR _pszADsContext;
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LPWSTR _pszSearchFilter;
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LPWSTR * _ppszAttrs;
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DWORD _cAttrs;
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DWORD _searchScope;
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//@cmember Contained IAccessor
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CImpIAccessor * _pAccessor;
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IMalloc * _pIMalloc;
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//
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// Utility object to manage properties
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//
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PCUTILPROP _pUtilProp;
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IDirectorySearch * _pDSSearch;
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//
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// Credentials from the Data Source Object
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//
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CCredentials _Credentials;
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BOOL _fADSPathPresent;
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// flag to indicate if the query was a SELECT * query
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BOOL _fAllAttrs;
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STDMETHODIMP
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SplitCommandText(
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LPWSTR pszParsedCmd
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);
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HRESULT
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SeekPastADsPath(
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IN LPWSTR pszIn,
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OUT LPWSTR *ppszOut
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);
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HRESULT
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SeekPastSearchFilter(
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IN LPWSTR pszIn,
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OUT LPWSTR *ppszOut
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);
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public:
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STDMETHOD(QueryInterface)(THIS_ REFIID riid, LPVOID FAR* ppvObj) ;
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BOOL FInit(CSessionObject *pSession, CCredentials& Credentials);
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DECLARE_STD_REFCOUNTING
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DECLARE_IAccessor_METHODS
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DECLARE_IColumnsInfo_METHODS
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DECLARE_ICommand_METHODS
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DECLARE_ICommandText_METHODS
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DECLARE_ICommandProperties_METHODS
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DECLARE_IConvertType_METHODS
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DECLARE_ICommandPrepare_METHODS
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inline BOOL IsCommandSet() { return !!(_dwStatus & CMD_TEXT_SET);};
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inline void DecrementOpenRowsets()
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{
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InterlockedDecrement( (LONG*) &_cRowsetsOpen );
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};
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inline void IncrementOpenRowsets()
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{
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InterlockedIncrement( (LONG*) &_cRowsetsOpen );
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}
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inline BOOL IsRowsetOpen()
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{ return (_cRowsetsOpen > 0) ? TRUE : FALSE;};
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STDMETHODIMP
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CCommandObject::GetDBType(
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PADS_ATTR_DEF pAttrDefinitions,
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DWORD dwNumAttrs,
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LPWSTR pszAttrName,
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WORD *pwType,
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DBLENGTH *pulSize
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);
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STDMETHODIMP
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CCommandObject::SetSearchPrefs(
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void
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);
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CCommandObject::CCommandObject(
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LPUNKNOWN pIUnknown
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);
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CCommandObject::~CCommandObject();
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STDMETHODIMP
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CCommandObject::GetColumnInfo2(
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DBORDINAL *pcColumns,
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DBCOLUMNINFO **prgInfo,
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OLECHAR **ppStringBuffer,
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BOOL **ppfMultiValued
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);
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inline BOOL IsCommandPrepared() {
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return !!(_dwStatus & CMD_PREPARED);
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}
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inline CCredentials GetCredentials() {
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return _Credentials;
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}
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STDMETHODIMP PrepareHelper(void);
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};
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#endif
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