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/*************************************************************************
*
* $RCSfile: stgelem.hxx,v $
*
* $Revision: 1.2 $
*
* last change: $Author: mba $ $Date: 2000-10-16 14:08:34 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (the "License"); You may not use this file
* except in compliance with the License. You may obtain a copy of the
* License at http://www.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
// This file reflects the structure of MS file elements.
// It is very sensitive to alignment!
#ifndef _STGELEM_HXX
#define _STGELEM_HXX
#ifndef _TOOLS_SOLAR_H
#include <tools/solar.h>
#endif
class StgIo;
class SvStream;
class String;
struct ClsId
{
INT32 n1;
INT16 n2, n3;
UINT8 n4, n5, n6, n7, n8, n9, n10, n11;
};
SvStream& operator>>( SvStream&, ClsId& );
SvStream& operator<<( SvStream&, const ClsId& );
class StgHeader
{
BYTE cSignature[ 8 ]; // 00 signature (see below)
ClsId aClsId; // 08 Class ID
INT32 nVersion; // 18 version number
UINT16 nByteOrder; // 1C Unicode byte order indicator
INT16 nPageSize; // 1E 1 << nPageSize = block size
INT16 nDataPageSize; // 20 1 << this size == data block size
BYTE bDirty; // 22 internal dirty flag
BYTE cReserved[ 9 ]; // 23
INT32 nFATSize; // 2C total number of FAT pages
INT32 nTOCstrm; // 30 starting page for the TOC stream
INT32 nReserved; // 34
INT32 nThreshold; // 38 minimum file size for big data
INT32 nDataFAT; // 3C page # of 1st data FAT block
INT32 nDataFATSize; // 40 # of data fat blocks
INT32 nMasterChain; // 44 chain to the next master block
INT32 nMaster; // 48 # of additional master blocks
INT32 nMasterFAT[ 109 ]; // 4C first 109 master FAT pages
public:
StgHeader();
void Init(); // initialize the header
BOOL Load( StgIo& );
BOOL Load( SvStream& );
BOOL Store( StgIo& );
BOOL Check(); // check the signature and version
short GetByteOrder() const { return nByteOrder; }
INT32 GetTOCStart() const { return nTOCstrm; }
void SetTOCStart( INT32 n );
INT32 GetDataFATStart() const { return nDataFAT; }
void SetDataFATStart( INT32 n );
INT32 GetDataFATSize() const { return nDataFATSize; }
void SetDataFATSize( INT32 n );
INT32 GetThreshold() const { return nThreshold; }
short GetPageSize() const { return nPageSize; }
short GetDataPageSize() const { return nDataPageSize; }
INT32 GetFATSize() const { return nFATSize; }
void SetFATSize( INT32 n );
INT32 GetFATChain() const { return nMasterChain; }
void SetFATChain( INT32 n );
INT32 GetMasters() const { return nMaster; }
void SetMasters( INT32 n );
short GetFAT1Size() const { return 109; }
const ClsId& GetClassId() const { return aClsId; }
void SetClassId( const ClsId& );
INT32 GetFATPage( short ) const;
void SetFATPage( short, INT32 );
};
enum StgEntryType { // dir entry types:
STG_EMPTY = 0,
STG_STORAGE = 1,
STG_STREAM = 2,
STG_LOCKBYTES = 3,
STG_PROPERTY = 4,
STG_ROOT = 5
};
enum StgEntryRef { // reference blocks:
STG_LEFT = 0, // left
STG_RIGHT = 1, // right
STG_CHILD = 2, // child
STG_DATA = 3 // data start
};
enum StgEntryTime { // time codes:
STG_MODIFIED = 0, // last modification
STG_ACCESSED = 1 // last access
};
class StgStream;
#define STGENTRY_SIZE 128
class StgEntry { // directory enty
UINT16 nName[ 32 ]; // 00 name as WCHAR
INT16 nNameLen; // 40 size of name in bytes including 00H
BYTE cType; // 42 entry type
BYTE cFlags; // 43 0 or 1 (tree balance?)
INT32 nLeft; // 44 left node entry
INT32 nRight; // 48 right node entry
INT32 nChild; // 4C 1st child entry if storage
ClsId aClsId; // 50 class ID (optional)
INT32 nFlags; // 60 state flags(?)
INT32 nMtime[ 2 ]; // 64 modification time
INT32 nAtime[ 2 ]; // 6C creation and access time
INT32 nPage1; // 74 starting block (either direct or translated)
INT32 nSize; // 78 file size
INT32 nUnknown; // 7C unknown
String aName; // Name as Compare String (ascii, upper)
public:
BOOL Init(); // initialize the data
BOOL SetName( const String& ); // store a name (ASCII, up to 32 chars)
void GetName( String& rName ) const;
// fill in the name
short Compare( const StgEntry& ) const; // compare two entries
BOOL Load( const void* );
void Store( void* );
StgEntryType GetType() const { return (StgEntryType) cType; }
INT32 GetStartPage() const { return nPage1; }
void SetType( StgEntryType t ) { cType = (BYTE) t; }
BYTE GetFlags() const { return cFlags; }
void SetFlags( BYTE c ) { cFlags = c; }
INT32 GetSize() const { return nSize; }
void SetSize( INT32 n ) { nSize = n; }
const ClsId& GetClassId() const { return aClsId; }
void SetClassId( const ClsId& );
INT32 GetLeaf( StgEntryRef ) const;
void SetLeaf( StgEntryRef, INT32 );
const INT32* GetTime( StgEntryTime ) const;
void SetTime( StgEntryTime, INT32* );
};
#define STG_FREE -1L // page is free
#define STG_EOF -2L // page is last page in chain
#define STG_FAT -3L // page is FAT page
#define STG_MASTER -4L // page is master FAT page
#endif
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