157 lines
3.4 KiB
C++
157 lines
3.4 KiB
C++
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//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992 - 1992.
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//
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// File: vect.hxx
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//
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// Contents: Vector common types
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//
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// Classes: CVectBits -- Bit fields for vectors
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//
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// History: 06-Aug-92 PhilipLa Created.
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//
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//--------------------------------------------------------------------------
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#ifndef __VECT_HXX__
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#define __VECT_HXX__
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#include <page.hxx>
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//+-------------------------------------------------------------------------
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//
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// Class: CVectBits (vb)
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//
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// Purpose: Structure for Vector flags.
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//
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// Interface:
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//
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// History: 06-Aug-92 PhilipLa Created.
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//
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// Notes:
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//
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//--------------------------------------------------------------------------
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struct CVectBits
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{
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USHORT full:1;
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USHORT firstfree;
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};
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SAFE_DFBASED_PTR(CBasedVectBitsPtr, CVectBits);
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//+-------------------------------------------------------------------------
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//
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// Class: CPagedVector (pv)
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//
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// Purpose: *Finish This*
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//
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// Interface:
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//
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// History: 27-Sep-92 PhilipLa Created.
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//
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// Notes:
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//
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//--------------------------------------------------------------------------
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class CPagedVector
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{
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public:
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inline VECT_CLASS CPagedVector(const SID sid);
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SCODE VECT_CLASS Init(CMStream *pms, ULONG ulSize);
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#ifndef REF
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void VECT_CLASS InitCopy(CPagedVector *pvectOld);
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#endif //!REF
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VECT_CLASS ~CPagedVector();
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void Empty(void);
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SCODE VECT_CLASS Resize(ULONG ulSize);
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SCODE Flush(void);
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SCODE GetTableWithSect(
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const ULONG iTable,
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DWORD dwFlags,
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SECT sectKnown,
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void **ppmp);
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inline SCODE GetTable(const ULONG iTable, DWORD dwFlags, void **ppmp);
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inline void ReleaseTable(const ULONG iTable);
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inline void SetSect(const ULONG iTable, const SECT sect);
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inline CVectBits * GetBits(const ULONG iTable);
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inline void ResetBits(void);
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SCODE SetDirty(ULONG iTable);
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inline void ResetDirty(ULONG iTable);
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inline void FreeTable(ULONG iTable);
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inline CMStream * GetParent(void) const;
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inline void SetParent(CMStream *pms);
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private:
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inline CVectBits * GetNewVectBits(ULONG ulSize);
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inline CBasedMSFPagePtr * GetNewPageArray(ULONG ulSize);
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CBasedMSFPageTablePtr _pmpt;
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const SID _sid;
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ULONG _ulSize; // Amount in use
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ULONG _ulAllocSize; // Amount allocated
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CBasedMStreamPtr _pmsParent;
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CBasedMSFPagePtrPtr _amp;
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CBasedVectBitsPtr _avb;
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};
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#ifdef CODESEGMENTS
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#pragma code_seg(SEG_CPagedVector_CPagedVector)
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#endif
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inline VECT_CLASS CPagedVector::CPagedVector(const SID sid)
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: _sid(sid),
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_pmpt(NULL),
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_amp(NULL),
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_avb(NULL),
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_pmsParent(NULL)
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{
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_ulSize = 0;
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_ulAllocSize = 0;
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}
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#ifdef CODESEGMENTS
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#pragma code_seg()
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#endif
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//+---------------------------------------------------------------------------
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//
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// Member: CPagedVector::GetTable, public
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//
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// Synopsis: Inline function - calls through to GetTableWithSect,
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// passing a sect that indicates we don't know the
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// location of the page.
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//
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// History: 28-Jun-94 PhilipLa Created
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//
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//----------------------------------------------------------------------------
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inline SCODE CPagedVector::GetTable(
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const ULONG iTable,
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DWORD dwFlags,
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void **ppmp)
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{
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return GetTableWithSect(iTable, dwFlags, ENDOFCHAIN, ppmp);
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}
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#endif //__VECT_HXX__
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