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/*************************************************************************
*
* $RCSfile: stg.hxx,v $
*
* $Revision: 1.2 $
*
* last change: $Author: mba $ $Date: 2000-10-16 14:05:36 $
*
* 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): _______________________________________
*
*
************************************************************************/
#ifndef _STG_HXX
#define _STG_HXX
#ifndef _TOOLS_STREAM_HXX //autogen
#include <tools/stream.hxx>
#endif
#ifndef _TOOLS_GLOBNAME_HXX //autogen
#include <tools/globname.hxx>
#endif
class Storage;
class StorageStream;
class StgIo;
class StgDirEntry;
class StgStrm;
class SvGlobalName;
class StorageBase // common helper class
{
protected:
StgIo* pIo; // I/O subsystem
StgDirEntry* pEntry; // the dir entry
ULONG nError; // error code
StreamMode nMode; // open mode
BOOL bAutoCommit;
StorageBase( StgIo*, StgDirEntry* );
~StorageBase();
BOOL Validate( BOOL=FALSE ) const;
BOOL ValidateMode( StreamMode, StgDirEntry* ) const;
public:
void ResetError() const;
void SetError( ULONG ) const;
ULONG GetError() const;
BOOL Good() const { return BOOL( nError == SVSTREAM_OK ); }
StreamMode GetMode() const { return nMode; }
const SvStream* GetSvStream() const;
};
class StorageStream : public StorageBase
{
friend class Storage; // for the following ctor
ULONG nPos; // current position
StorageStream( StgIo*, StgDirEntry*, StreamMode );
public:
~StorageStream();
ULONG Read( void * pData, ULONG nSize );
ULONG Write( const void* pData, ULONG nSize );
ULONG Seek( ULONG nPos );
ULONG Tell() { return nPos; }
void Flush();
BOOL SetSize( ULONG nNewSize );
BOOL CopyTo( StorageStream * pDestStm );
BOOL Commit();
BOOL Revert();
};
class SvStorageInfoList;
class Storage : public StorageBase
{
String aName;
BOOL bIsRoot; // TRUE if root storage
void Init( BOOL bCreate );
Storage( StgIo*, StgDirEntry*, StreamMode );
public:
Storage( const String &,
StreamMode = STREAM_STD_READWRITE,
BOOL bDirect = TRUE );
Storage( SvStream& rStrm,
BOOL bDirect = TRUE );
~Storage();
static BOOL IsStorageFile( const String & rFileName );
static BOOL IsStorageFile( SvStream* );
const String& GetName() const;
BOOL IsRoot() const { return bIsRoot; }
// eigener Datenbereich
void SetClass( const SvGlobalName & rClass,
ULONG nOriginalClipFormat,
const String & rUserTypeName );
void SetConvertClass( const SvGlobalName & rConvertClass,
ULONG nOriginalClipFormat,
const String & rUserTypeName );
SvGlobalName GetClassName();// Typ der Daten im Storage
ULONG GetFormat();
String GetUserName();
BOOL ShouldConvert();
// Liste aller Elemente
void FillInfoList( SvStorageInfoList* ) const;
BOOL CopyTo( Storage* pDestStg ) const;
BOOL Commit();
BOOL Revert();
/* Element Methoden */
// Stream mit Verbindung zu Storage erzeugen,
// in etwa eine Parent-Child Beziehung
StorageStream* OpenStream( const String & rEleName,
StreamMode = STREAM_STD_READWRITE,
BOOL bDirect = TRUE );
Storage* OpenStorage( const String & rEleName,
StreamMode = STREAM_STD_READWRITE,
BOOL bDirect = FALSE );
// Abfrage auf Storage oder Stream
BOOL IsStream( const String& rEleName ) const;
BOOL IsStorage( const String& rEleName ) const;
BOOL IsContained( const String& rEleName ) const;
// Element loeschen
BOOL Remove( const String & rEleName );
// Elementnamen aendern
BOOL Rename( const String & rEleName,
const String & rNewName );
BOOL CopyTo( const String & rEleName, Storage * pDest,
const String & rNewName );
BOOL MoveTo( const String & rEleName, Storage * pDest,
const String & rNewName );
BOOL ValidateFAT();
};
#endif
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