148 lines
2.9 KiB
C++
148 lines
2.9 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 - 1996.
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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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//--------------------------------------------------------------------------
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#ifndef __VECT_HXX__
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#define __VECT_HXX__
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#include <malloc.h>
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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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// Notes:
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//
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//--------------------------------------------------------------------------
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struct CVectBits
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{
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BYTE full:1;
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USHORT firstfree;
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inline CVectBits();
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};
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//+-------------------------------------------------------------------------
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//
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// Method: CVectBits::CVectBits, public
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//
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// Synopsis: CVectBits default constructor.
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//
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// Notes:
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//
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//--------------------------------------------------------------------------
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inline CVectBits::CVectBits()
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{
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full = 0;
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firstfree = 0;
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}
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inline CVectBits * GetNewVectBits(ULONG ulSize)
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{
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msfAssert(ulSize > 0);
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CVectBits *pfb = NULL;
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if (ulSize <= (_HEAP_MAXREQ / sizeof(CVectBits)))
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{
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pfb = new CVectBits[(MAXINDEXTYPE)ulSize];
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}
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return pfb;
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}
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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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// 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 CPagedVector(const SID sid);
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SCODE Init(CMStream *pms, ULONG ulSize);
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~CPagedVector();
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void Empty(void);
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SCODE Resize(ULONG ulSize);
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SCODE Flush(void);
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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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CMSFPageTable * _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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CMStream *_pmsParent;
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CMSFPage **_amp;
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CVectBits *_avb;
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#ifdef _MSC_VER
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#pragma warning(disable:4512)
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// since there is a const member, there should be no assignment operator
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#endif // _MSC_VER
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};
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#ifdef _MSC_VER
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#pragma warning(default:4512)
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#endif // _MSC_VER
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inline 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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#endif //__VECT_HXX__
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