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