209 lines
6.2 KiB
C++
209 lines
6.2 KiB
C++
//----------------------------------------------------------------------------
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// Microsoft OLE DB Implementation For Index Server
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// (C) Copyright 1997 By Microsoft Corporation.
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//
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// @doc
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//
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// @module PTPROPS.H |
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//
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// @rev 1 | 10-13-97 | Briants | Created
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//
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// Includes ------------------------------------------------------------------
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#ifndef _PTPROPS_H_
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#define _PTPROPS_H_
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const ULONG MAX_CCH_COLUMNNAME = 128; // per Section 3.1 of spec
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const ULONG CCH_CIRESTRICTION_INCREMENT = 128;
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const ULONG CB_SCOPE_DATA_BUFFER_INC = 512;
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const ULONG SCOPE_BUFFERS_INCREMENT = 5;
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const ULONG UNUSED_OFFSET = (ULONG)-1;
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#define MAX_ERRORS 2
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class CScopeData
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{
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private: //@access Private Data Members
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LONG m_cRef;
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ULONG m_cScope;
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ULONG m_cMaxScope;
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ULONG* m_rgulDepths;
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ULONG* m_rgCatalogOffset;
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ULONG* m_rgScopeOffset;
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ULONG* m_rgMachineOffset;
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ULONG m_cbData;
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ULONG m_cbMaxData;
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BYTE* m_rgbData;
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private: //@access Private Member Functions
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HRESULT CacheData(LPVOID pData, ULONG cb, ULONG* pulOffset);
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public:
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CScopeData();
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~CScopeData();
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HRESULT FInit(LPCWSTR pcwszMachine);
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HRESULT Reset(void);
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// Handle sharing of this object
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ULONG AddRef(void);
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ULONG Release(void);
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HRESULT GetData(ULONG uPropId, VARIANT* pvValue, LPCWSTR pcwszCatalog = NULL);
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HRESULT SetTemporaryMachine(LPWSTR pwszMachine, ULONG cch);
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HRESULT SetTemporaryCatalog(LPWSTR pwszCatalog, ULONG cch);
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HRESULT SetTemporaryScope(LPWSTR pwszScope, ULONG cch);
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HRESULT IncrementScopeCount();
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//--------------------------------------------------------------------
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// @mfunc Stores the traversl depth used for setting scope properties
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// in the compiler environment.
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//
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// @rdesc none
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//
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inline void SetTemporaryDepth(
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ULONG ulDepth // @parm IN | search depth
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)
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{
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m_rgulDepths[m_cScope] = ulDepth;
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}
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//--------------------------------------------------------------------
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// @func Masks the traversal depth used for setting scope
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// properties in the compiler environment. This is used
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// to specify virtual or physical paths.
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//
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// @rdesc none
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//
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inline void MaskTemporaryDepth(
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ULONG ulMask // @parm IN | search mask (virtual or physical)
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)
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{
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m_rgulDepths[m_cScope] |= ulMask;
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}
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};
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// CImpIParserTreeProperties Object
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class CImpIParserTreeProperties : public IParserTreeProperties
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{
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private:
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LONG m_cRef;
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//@cmember
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CScopeData* m_pCScopeData;
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LPWSTR m_pwszCatalog;
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HRESULT m_LastHR;
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UINT m_iErrOrd;
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WCHAR* m_pwszErrParams[MAX_ERRORS];
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ULONG m_cErrParams;
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// Have buffer with space for max column name +
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// a space before the column name.
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WCHAR m_rgwchCiColumn[MAX_CCH_COLUMNNAME + 2];
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ULONG m_cchMaxRestriction;
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ULONG m_cchRestriction;
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LPWSTR m_pwszRestriction;
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LPWSTR m_pwszRestrictionAppendPtr;
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bool m_fLeftParen;
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BOOL m_fDesc; // make the sort direction "sticky"
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DBTYPE m_dbType;
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DBCOMMANDTREE* m_pctContainsColumn;
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public:
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// CTOR and DTOR
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CImpIParserTreeProperties();
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~CImpIParserTreeProperties();
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HRESULT FInit(LPCWSTR pwszCatalog, LPCWSTR pwszMachine);
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STDMETHODIMP QueryInterface(
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REFIID riid, LPVOID* ppVoid);
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STDMETHODIMP_(ULONG) Release (void);
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STDMETHODIMP_(ULONG) AddRef (void);
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STDMETHODIMP GetProperties(
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ULONG eParseProp, VARIANT* vParseProp);
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void SetCiColumn(LPWSTR pwszColumn);
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HRESULT AppendCiRestriction(LPWSTR pwsz, ULONG cch);
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HRESULT UseCiColumn(WCHAR wch);
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HRESULT CreateNewScopeDataObject(LPCWSTR pwszMachine);
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void ReplaceScopeDataPtr(CScopeData* pCScopeData);
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// Inline Functions
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inline CScopeData* GetScopeDataPtr()
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{ return m_pCScopeData; }
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inline void CiNeedLeftParen(void)
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{ m_fLeftParen = true; }
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inline void SetNumErrParams(UINT cErrParams)
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{ m_cErrParams = cErrParams; }
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inline UINT GetNumErrParams()
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{ return m_cErrParams; }
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inline void SetErrorHResult(HRESULT hr, UINT iErrOrd=0)
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{
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m_LastHR = hr;
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m_iErrOrd = iErrOrd;
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m_cErrParams = 0;
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}
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inline void SetErrorToken(const WCHAR* pwstr)
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{
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assert(m_cErrParams < MAX_ERRORS); // can't happen
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WCHAR * pwc = CopyString( pwstr );
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// Truncate long errors since FormatMessage will fail otherwise
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if ( wcslen( pwc ) >= (MAX_PATH-1) )
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pwc[ MAX_PATH-1] = 0;
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m_pwszErrParams[m_cErrParams++] = pwc;
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}
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inline HRESULT GetErrorHResult()
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{ return m_LastHR; }
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inline UINT GetErrorOrdinal()
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{ return m_iErrOrd; }
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inline void FreeErrorDescriptions()
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{
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for (UINT i = 0; i < m_cErrParams; i++)
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delete [] m_pwszErrParams[i];
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}
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inline DBTYPE GetDBType()
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{ return m_dbType; }
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inline void SetDBType(DBTYPE dbType)
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{ m_dbType = dbType; }
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inline BOOL GetSortDesc()
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{ return m_fDesc; }
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inline void SetSortDesc(BOOL fDesc)
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{ m_fDesc = fDesc; }
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inline DBCOMMANDTREE* GetContainsColumn()
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{ return m_pctContainsColumn; }
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inline void SetContainsColumn(DBCOMMANDTREE* pct)
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{ m_pctContainsColumn = pct; }
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}; // End of Class
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#endif // _PTPROPS_H_
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