8806a86c9d
Change-Id: Ic445e1bdd012c32ef7d84aec9df908467c3296a7 Reviewed-on: https://gerrit.libreoffice.org/28055 Tested-by: Jenkins <ci@libreoffice.org> Reviewed-by: Noel Grandin <noelgrandin@gmail.com>
146 lines
6.9 KiB
C++
146 lines
6.9 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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// This file reflects the structure of MS file elements.
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// It is very sensitive to alignment!
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#ifndef INCLUDED_SOT_SOURCE_SDSTOR_STGELEM_HXX
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#define INCLUDED_SOT_SOURCE_SDSTOR_STGELEM_HXX
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#include <sot/stg.hxx>
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class StgIo;
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class SvStream;
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SvStream& ReadClsId( SvStream&, ClsId& );
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SvStream& WriteClsId( SvStream&, const ClsId& );
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class StgHeader
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{
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static const sal_uInt8 cFATPagesInHeader = 109;
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sal_uInt8 m_cSignature[ 8 ]; // 00 signature (see below)
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ClsId m_aClsId; // 08 Class ID
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sal_Int32 m_nVersion; // 18 version number
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sal_uInt16 m_nByteOrder; // 1C Unicode byte order indicator
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sal_Int16 m_nPageSize; // 1E 1 << nPageSize = block size
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sal_Int16 m_nDataPageSize; // 20 1 << this size == data block size
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sal_uInt8 m_bDirty; // 22 internal dirty flag (should be
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// bool, but probably required to
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// be exactly one byte)
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sal_uInt8 m_cReserved[ 9 ]; // 23
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sal_Int32 m_nFATSize; // 2C total number of FAT pages
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sal_Int32 m_nTOCstrm; // 30 starting page for the TOC stream
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sal_Int32 m_nReserved; // 34
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sal_Int32 m_nThreshold; // 38 minimum file size for big data
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sal_Int32 m_nDataFAT; // 3C page # of 1st data FAT block
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sal_Int32 m_nDataFATSize; // 40 # of data fat blocks
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sal_Int32 m_nMasterChain; // 44 chain to the next master block
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sal_Int32 m_nMaster; // 48 # of additional master blocks
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sal_Int32 m_nMasterFAT[ cFATPagesInHeader ]; // 4C first [cFATPagesInHeader] master FAT pages
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public:
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StgHeader();
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void Init(); // initialize the header
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bool Load( StgIo& );
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bool Load( SvStream& );
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bool Store( StgIo& );
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bool Check(); // check the signature and version
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sal_Int32 GetTOCStart() const { return m_nTOCstrm; }
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void SetTOCStart( sal_Int32 n );
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sal_Int32 GetDataFATStart() const { return m_nDataFAT; }
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void SetDataFATStart( sal_Int32 n );
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sal_Int32 GetDataFATSize() const { return m_nDataFATSize; }
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void SetDataFATSize( sal_Int32 n );
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sal_Int32 GetThreshold() const { return m_nThreshold; }
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short GetPageSize() const { return m_nPageSize; }
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short GetDataPageSize() const { return m_nDataPageSize; }
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sal_Int32 GetFATSize() const { return m_nFATSize; }
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void SetFATSize( sal_Int32 n );
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sal_Int32 GetFATChain() const { return m_nMasterChain; }
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void SetFATChain( sal_Int32 n );
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sal_Int32 GetMasters() const { return m_nMaster; }
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void SetMasters( sal_Int32 n );
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static short GetFAT1Size() { return cFATPagesInHeader; }
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sal_Int32 GetFATPage( short ) const;
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void SetFATPage( short, sal_Int32 );
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};
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enum StgEntryType { // dir entry types:
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STG_EMPTY = 0,
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STG_STORAGE = 1,
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STG_STREAM = 2,
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STG_ROOT = 5
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};
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enum StgEntryRef { // reference blocks:
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STG_LEFT = 0, // left
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STG_RIGHT = 1, // right
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STG_CHILD = 2, // child
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STG_DATA = 3 // data start
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};
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#define STGENTRY_SIZE 128
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//StructuredStorageDirectoryEntry
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class StgEntry
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{ // directory entry
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sal_Unicode m_nName[ 32 ]; // 00 name as WCHAR
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sal_uInt16 m_nNameLen; // 40 size of name in bytes including 00H
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sal_uInt8 m_cType; // 42 entry type
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sal_uInt8 m_cFlags; // 43 0 or 1 (tree balance?)
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sal_Int32 m_nLeft; // 44 left node entry
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sal_Int32 m_nRight; // 48 right node entry
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sal_Int32 m_nChild; // 4C 1st child entry if storage
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ClsId m_aClsId; // 50 class ID (optional)
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sal_Int32 m_nFlags; // 60 state flags(?)
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sal_Int32 m_nMtime[ 2 ]; // 64 modification time
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sal_Int32 m_nAtime[ 2 ]; // 6C creation and access time
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sal_Int32 m_nPage1; // 74 starting block (either direct or translated)
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sal_Int32 m_nSize; // 78 file size
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sal_Int32 m_nUnknown; // 7C unknown
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OUString m_aName; // Name as Compare String (ascii, upper)
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public:
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void Init(); // initialize the data
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bool SetName( const OUString& ); // store a name (ASCII, up to 32 chars)
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void GetName( OUString& rName ) const;
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// fill in the name
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sal_Int32 Compare( const StgEntry& ) const; // compare two entries
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bool Load( const void* pBuffer, sal_uInt32 nBufSize, sal_uInt64 nUnderlyingStreamSize );
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void Store( void* );
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StgEntryType GetType() const { return (StgEntryType) m_cType; }
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sal_Int32 GetStartPage() const { return m_nPage1; }
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void SetType( StgEntryType t ) { m_cType = (sal_uInt8) t; }
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sal_Int32 GetSize() const { return m_nSize; }
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void SetSize( sal_Int32 n ) { m_nSize = n; }
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const ClsId& GetClassId() const { return m_aClsId; }
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void SetClassId( const ClsId& );
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sal_Int32 GetLeaf( StgEntryRef ) const;
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void SetLeaf( StgEntryRef, sal_Int32 );
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};
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#define STG_FREE -1L // page is free
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#define STG_EOF -2L // page is last page in chain
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#define STG_FAT -3L // page is FAT page
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#define STG_MASTER -4L // page is master FAT page
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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