You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
423 lines
12 KiB
423 lines
12 KiB
//+-------------------------------------------------------------------
|
|
//
|
|
// Microsoft Windows
|
|
// Copyright (C) Microsoft Corporation, 1992 - 1992.
|
|
//
|
|
// File: dir.hxx
|
|
//
|
|
// Contents: Directory header for Mstream project
|
|
//
|
|
// Classes: CDirEntry - Information on a single stream
|
|
// CDirSect - Sector sized array of DirEntry
|
|
// CDirVector - Resizable array of CDirSect
|
|
// CDirectory - Grouping of DirSectors
|
|
//
|
|
// History: 18-Jul-91 PhilipLa Created.
|
|
//
|
|
// Notes:
|
|
//
|
|
//--------------------------------------------------------------------
|
|
|
|
|
|
|
|
#ifndef __DIR_HXX__
|
|
#define __DIR_HXX__
|
|
|
|
#include <wchar.h>
|
|
#include <vect.hxx>
|
|
|
|
#define DIR_HIT 0x01
|
|
|
|
#if _MSC_VER >= 700
|
|
#pragma pack(1)
|
|
#endif
|
|
|
|
struct SPreDirEntry
|
|
{
|
|
protected:
|
|
CDfName _dfn; // Name (word-aligned)
|
|
BYTE _mse; // STGTY_...
|
|
BYTE _bflags;
|
|
|
|
SID _sidLeftSib; // Siblings
|
|
SID _sidRightSib; // Siblings
|
|
|
|
SID _sidChild; // Storage - Child list
|
|
GUID _clsId; // Storage - Class id
|
|
DWORD _dwUserFlags; // Storage - User flags
|
|
TIME_T _time[2]; // Storage - time stamps
|
|
|
|
SECT _sectStart; // Stream - start
|
|
ULARGE_INTEGER _ulSize; // Stream - size
|
|
};
|
|
|
|
#if _MSC_VER >= 700
|
|
#pragma pack()
|
|
#endif
|
|
|
|
#define STGTY_INVALID 0
|
|
#define STGTY_ROOT 5
|
|
|
|
// Macros which tell whether a direntry has stream fields,
|
|
// storage fields or property fields
|
|
#define STREAMLIKE(mse) \
|
|
(((mse) & STGTY_REAL) == STGTY_STREAM || (mse) == STGTY_ROOT)
|
|
#define STORAGELIKE(mse) \
|
|
(((mse) & STGTY_REAL) == STGTY_STORAGE || (mse) == STGTY_ROOT)
|
|
|
|
//+----------------------------------------------------------------------
|
|
//
|
|
// Class: CDirEntry (de)
|
|
//
|
|
// Purpose: Holds information on one stream
|
|
//
|
|
// Interface: GetName - returns name of stream
|
|
// GetStart - return first sector for stream
|
|
// GetSize - returns size of stream
|
|
// GetFlags - returns flag byte
|
|
//
|
|
// SetName - sets name
|
|
// SetStart - sets first sector
|
|
// SetSize - sets size
|
|
// SetFlags - sets flag byte
|
|
//
|
|
// IsFree - returns 1 if element is not in use
|
|
// IsEntry - returns 1 is element name matches argument
|
|
//
|
|
// History: 18-Jul-91 PhilipLa Created.
|
|
// 26-May-95 SusiA Added GetAllTimes
|
|
// 22-Noc-95 SusiA Added SetAllTimes
|
|
//
|
|
// Notes: B-flat,C-sharp
|
|
//
|
|
//-----------------------------------------------------------------------
|
|
const CBDIRPAD = (const)(DIRENTRYSIZE - sizeof(SPreDirEntry));
|
|
|
|
// DirEntry bit flags are used for the following private state
|
|
|
|
// Usage Bit
|
|
|
|
#define DECOLORBIT 0x01
|
|
#define DERESERVED 0xfe
|
|
|
|
typedef enum
|
|
{
|
|
DE_RED = 0,
|
|
DE_BLACK = 1
|
|
} DECOLOR;
|
|
|
|
class CDirEntry: private SPreDirEntry
|
|
{
|
|
|
|
public:
|
|
CDirEntry();
|
|
|
|
inline void Init(MSENTRYFLAGS mse);
|
|
|
|
inline CDfName const * GetName(VOID) const;
|
|
inline SECT GetStart(VOID) const;
|
|
#ifdef LARGE_STREAMS
|
|
inline ULONGLONG GetSize(BOOL fLarge) const;
|
|
#else
|
|
inline ULONG GetSize(VOID) const;
|
|
#endif
|
|
inline SID GetLeftSib(VOID) const;
|
|
inline SID GetRightSib(VOID) const;
|
|
inline SID GetChild(VOID) const;
|
|
inline MSENTRYFLAGS GetFlags(VOID) const;
|
|
inline DECOLOR GetColor(VOID) const;
|
|
inline TIME_T GetTime(WHICHTIME tt) const;
|
|
inline void GetAllTimes(TIME_T *patm, TIME_T *pmtm, TIME_T *pctm);
|
|
inline void SetAllTimes(TIME_T atm, TIME_T mtm, TIME_T ctm);
|
|
inline GUID GetClassId(VOID) const;
|
|
inline DWORD GetUserFlags(VOID) const;
|
|
|
|
inline void SetName(const CDfName *pdfn);
|
|
inline void ZeroName ();
|
|
inline void SetStart(const SECT);
|
|
#ifdef LARGE_STREAMS
|
|
inline void SetSize(const ULONGLONG);
|
|
#else
|
|
inline void SetSize(const ULONG);
|
|
#endif
|
|
inline void SetLeftSib(const SID);
|
|
inline void SetRightSib(const SID);
|
|
inline void SetChild(const SID);
|
|
inline void SetFlags(const MSENTRYFLAGS mse);
|
|
inline void SetColor(DECOLOR);
|
|
inline void SetTime(WHICHTIME tt, TIME_T nt);
|
|
inline void SetClassId(GUID cls);
|
|
inline void SetUserFlags(DWORD dwUserFlags, DWORD dwMask);
|
|
|
|
inline BOOL IsFree(VOID) const;
|
|
inline BOOL IsEntry(CDfName const *pdfn) const;
|
|
|
|
private:
|
|
inline BYTE GetBitFlags(VOID) const;
|
|
inline void SetBitFlags(BYTE bValue, BYTE bMask);
|
|
|
|
// BYTE _bpad[CBDIRPAD]; // no more padding left
|
|
};
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Class: CDirSect (ds)
|
|
//
|
|
// Purpose: Provide sector sized block of DirEntries
|
|
//
|
|
// Interface:
|
|
//
|
|
// History: 18-Jul-91 PhilipLa Created.
|
|
// 27-Dec-91 PhilipLa Converted from const size to
|
|
// variable sized sectors.
|
|
//
|
|
// Notes:
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
#if _MSC_VER == 700
|
|
#pragma warning(disable:4001)
|
|
#elif _MSC_VER >= 800
|
|
#pragma warning(disable:4200)
|
|
#endif
|
|
|
|
class CDirSect
|
|
{
|
|
public:
|
|
SCODE Init(USHORT cbSector);
|
|
SCODE InitCopy(USHORT cbSector,
|
|
const CDirSect *pdsOld);
|
|
|
|
inline CDirEntry * GetEntry(DIROFFSET iEntry);
|
|
|
|
private:
|
|
CDirEntry _adeEntry[];
|
|
};
|
|
|
|
#if _MSC_VER == 700
|
|
#pragma warning(default:4001)
|
|
#elif _MSC_VER >= 800
|
|
#pragma warning(default:4200)
|
|
#endif
|
|
|
|
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Class: CDirVector (dv)
|
|
//
|
|
// Purpose: Provide resizable array of DirSectors.
|
|
//
|
|
// Interface:
|
|
//
|
|
// History: 27-Dec-91 PhilipLa Created.
|
|
//
|
|
// Notes:
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
class CDirVector: public CPagedVector
|
|
{
|
|
public:
|
|
inline CDirVector(VOID);
|
|
inline void InitCommon(USHORT cbSector);
|
|
|
|
inline SCODE GetTable(
|
|
const DIRINDEX iTable,
|
|
const DWORD dwFlags,
|
|
CDirSect **ppds);
|
|
|
|
private:
|
|
USHORT _cbSector;
|
|
};
|
|
|
|
|
|
inline void CDirVector::InitCommon(USHORT cbSector)
|
|
{
|
|
_cbSector = cbSector;
|
|
}
|
|
|
|
//+----------------------------------------------------------------------
|
|
//
|
|
// Class: CDirectory (dir)
|
|
//
|
|
// Purpose: Main interface for directory functionality
|
|
//
|
|
// Interface: GetFree - returns an SID for a free DirEntry
|
|
// Find - finds its argument in the directory list
|
|
// SetEntry - sets up a DirEntry and writes out its sector
|
|
// GetName - returns the name of a DirEntry
|
|
// GetStart - returns the start sector of a DirEntry
|
|
// GetSize - returns the size of a DirEntry
|
|
// GetFlags - returns the flag byte of a DirEntry
|
|
//
|
|
//
|
|
// History: 18-Jul-91 PhilipLa Created.
|
|
// 26-Aug-91 PhilipLa Added support for iterators
|
|
// 26-Aug-92 t-chrisy Added init function for
|
|
// corrupted directory object
|
|
// Notes:
|
|
//
|
|
//-----------------------------------------------------------------------
|
|
|
|
typedef enum DIRENTRYOP
|
|
{
|
|
DEOP_FIND = 0,
|
|
DEOP_REMOVE = 1
|
|
} DIRENTRYOP;
|
|
|
|
class CDirectory
|
|
{
|
|
public:
|
|
CDirectory();
|
|
|
|
VOID Empty(VOID);
|
|
|
|
|
|
SCODE Init(CMStream *pmsParent, DIRINDEX cSect);
|
|
|
|
|
|
SCODE InitNew(CMStream *pmsParent);
|
|
void InitCopy(CDirectory *pdirOld);
|
|
|
|
SCODE FindGreaterEntry(
|
|
SID sidChildRoot,
|
|
CDfName const *pdfn,
|
|
SID *psidResult);
|
|
|
|
SCODE SetStart(const SID sid, const SECT sect);
|
|
SCODE SetTime(const SID sid, WHICHTIME tt, TIME_T nt);
|
|
SCODE SetAllTimes(SID const sid, TIME_T atm,TIME_T mtm, TIME_T ctm);
|
|
SCODE SetChild(const SID sid, const SID sidChild);
|
|
#ifdef LARGE_STREAMS
|
|
SCODE SetSize(const SID sid, const ULONGLONG cbSize);
|
|
#else
|
|
SCODE SetSize(const SID sid, const ULONG cbSize);
|
|
#endif
|
|
SCODE SetClassId(const SID sid, const GUID cls);
|
|
SCODE SetFlags(const SID sid, const MSENTRYFLAGS mse);
|
|
SCODE SetUserFlags(const SID sid,
|
|
DWORD dwUserFlags,
|
|
DWORD dwMask);
|
|
|
|
inline SCODE GetName(const SID sid, CDfName *pdfn);
|
|
inline SCODE GetStart(const SID sid, SECT * psect);
|
|
#ifdef LARGE_STREAMS
|
|
inline SCODE GetSize(const SID sid, ULONGLONG *pulSize);
|
|
#else
|
|
inline SCODE GetSize(const SID sid, ULONG *pulSize);
|
|
#endif
|
|
|
|
inline SCODE GetChild(const SID sid, SID *psid);
|
|
inline SCODE GetFlags(const SID sid, MSENTRYFLAGS *pmse);
|
|
inline SCODE GetClassId(const SID sid, GUID *pcls);
|
|
inline SCODE GetTime(const SID sid, WHICHTIME tt, TIME_T *ptime);
|
|
inline SCODE GetAllTimes(SID const sid, TIME_T *patm,TIME_T *pmtm, TIME_T *pctm);
|
|
inline SCODE GetUserFlags(const SID sid, DWORD *pdwUserFlags);
|
|
|
|
SCODE GetDirEntry(
|
|
const SID sid,
|
|
const DWORD dwFlags,
|
|
CDirEntry **ppde);
|
|
|
|
void ReleaseEntry(SID sid);
|
|
|
|
SCODE CreateEntry(
|
|
SID sidParent,
|
|
CDfName const *pdfn,
|
|
MSENTRYFLAGS mef,
|
|
SID *psidNew);
|
|
|
|
SCODE RenameEntry(
|
|
SID const sidParent,
|
|
CDfName const *pdfn,
|
|
CDfName const *pdfnNew);
|
|
|
|
inline SCODE IsEntry(
|
|
SID const sidParent,
|
|
CDfName const *pdfn,
|
|
SEntryBuffer *peb);
|
|
|
|
SCODE DestroyAllChildren(
|
|
SID const sidParent,
|
|
ULONG ulDepth);
|
|
|
|
SCODE DestroyChild(
|
|
SID const sidParent,
|
|
CDfName const *pdfn,
|
|
ULONG ulDepth);
|
|
|
|
SCODE StatEntry(
|
|
SID const sid,
|
|
SIterBuffer *pib,
|
|
STATSTGW *pstatstg);
|
|
|
|
inline SCODE Flush(VOID);
|
|
|
|
inline void SetParent(CMStream * pmsParent);
|
|
|
|
static int NameCompare(
|
|
CDfName const *pdfn1,
|
|
CDfName const *pdfn2);
|
|
|
|
// Get the length of the Directory Stream in Sectors.
|
|
inline ULONG GetNumDirSects(void) const;
|
|
|
|
// Get the length of the Directory Stream in Entries.
|
|
inline ULONG GetNumDirEntries(void) const;
|
|
|
|
inline BOOL IsLargeSector () const;
|
|
|
|
private:
|
|
|
|
CDirVector _dv;
|
|
DIRINDEX _cdsTable;
|
|
CBasedMStreamPtr _pmsParent;
|
|
DIROFFSET _cdeEntries;
|
|
|
|
SID _sidFirstFree;
|
|
|
|
SCODE Resize(DIRINDEX);
|
|
inline DIRINDEX SidToTable(SID sid) const;
|
|
inline SID PairToSid(
|
|
DIRINDEX iTable,
|
|
DIROFFSET iEntry) const;
|
|
|
|
inline SCODE SidToPair(
|
|
SID sid,
|
|
DIRINDEX* pipds,
|
|
DIROFFSET* pide) const;
|
|
|
|
|
|
SCODE GetFree(SID * psid);
|
|
|
|
SCODE InsertEntry(
|
|
SID sidParent,
|
|
SID sidInsert,
|
|
CDfName const *pdfnInsert);
|
|
|
|
SCODE FindEntry(
|
|
SID sidParent,
|
|
CDfName const *pdfnFind,
|
|
DIRENTRYOP deop,
|
|
SEntryBuffer *peb);
|
|
|
|
SCODE SplitEntry(
|
|
CDfName const *pdfn,
|
|
SID sidTree,
|
|
SID sidGreat,
|
|
SID sidGrand,
|
|
SID sidParent,
|
|
SID sidChild,
|
|
SID *psid);
|
|
|
|
SCODE RotateEntry(
|
|
CDfName const *pdfn,
|
|
SID sidTree,
|
|
SID sidParent,
|
|
SID *psid);
|
|
|
|
SCODE SetColorBlack(const SID sid);
|
|
};
|
|
|
|
#endif //__DIR_HXX__
|