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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef INCLUDED_SOT_STORAGE_HXX
#define INCLUDED_SOT_STORAGE_HXX
#include <com/sun/star/uno/Any.hxx>
#include <com/sun/star/uno/Reference.h>
#include <com/sun/star/embed/XStorage.hpp>
#include <sot/object.hxx>
#include <tools/stream.hxx>
#include <tools/errcode.hxx>
#include <sot/storinfo.hxx>
#include <sot/sotdllapi.h>
enum class SotClipboardFormatId : sal_uLong;
class SotStorage;
class BaseStorageStream;
class SOT_DLLPUBLIC SotStorageStream : virtual public SotObject, public SvStream
{
friend class SotStorage;
BaseStorageStream * pOwnStm; // pointer to the own stream
protected:
virtual sal_uLong GetData( void* pData, sal_uLong nSize ) override;
virtual sal_uLong PutData( const void* pData, sal_uLong nSize ) override;
virtual sal_uInt64 SeekPos(sal_uInt64 nPos) override;
virtual void FlushData() override;
virtual ~SotStorageStream();
public:
SotStorageStream( const OUString &,
StreamMode = StreamMode::STD_READWRITE );
SotStorageStream( BaseStorageStream *pStm );
virtual void ResetError() override;
virtual void SetSize( sal_uInt64 nNewSize ) override;
sal_uInt32 GetSize() const;
void CopyTo( SotStorageStream * pDestStm );
bool Commit();
bool SetProperty( const OUString& rName, const css::uno::Any& rValue );
virtual sal_uInt64 remainingSize() override;
};
class BaseStorage;
class SOT_DLLPUBLIC SotStorage : virtual public SotObject
{
friend class SotStorageStream;
BaseStorage * m_pOwnStg; // target storage
SvStream * m_pStorStm; // only for SDSTORAGES
ErrCode m_nError;
OUString m_aName; // name of the storage
bool m_bIsRoot; // e.g.: File Storage
bool m_bDelStm;
OString m_aKey; // aKey.Len != 0 -> encryption
long m_nVersion;
protected:
virtual ~SotStorage();
void CreateStorage( bool bUCBStorage, StreamMode );
public:
SotStorage( const OUString &,
StreamMode = StreamMode::STD_READWRITE );
SotStorage( bool bUCBStorage, const OUString &,
StreamMode = StreamMode::STD_READWRITE );
SotStorage( BaseStorage * );
SotStorage( SvStream & rStm );
SotStorage( bool bUCBStorage, SvStream & rStm );
SotStorage( SvStream * pStm, bool bDelete );
SvMemoryStream * CreateMemoryStream();
static bool IsStorageFile( const OUString & rFileName );
static bool IsStorageFile( SvStream* pStream );
const OUString& GetName() const;
bool Validate();
const OString& GetKey() const { return m_aKey;}
void SetVersion( long nVers )
{
m_nVersion = nVers;
}
long GetVersion() const
{
return m_nVersion;
}
ErrCode GetError() const { return ERRCODE_TOERROR(m_nError); }
void SetError( ErrCode nErrorCode )
{
if( m_nError == SVSTREAM_OK )
m_nError = nErrorCode;
}
void SignAsRoot( bool b = true ) { m_bIsRoot = b; }
// own data sector
void SetClass( const SvGlobalName & rClass,
SotClipboardFormatId bOriginalClipFormat,
const OUString & rUserTypeName );
SvGlobalName GetClassName(); // type of data in the storage
SotClipboardFormatId GetFormat();
OUString GetUserName();
// list of all elements
void FillInfoList( SvStorageInfoList * ) const;
bool CopyTo( SotStorage * pDestStg );
bool Commit();
// create stream with connection to Storage,
// more or less a Parent-Child relationship
SotStorageStream * OpenSotStream( const OUString & rEleName,
StreamMode = StreamMode::STD_READWRITE );
SotStorage * OpenSotStorage( const OUString & rEleName,
StreamMode = StreamMode::STD_READWRITE,
bool transacted = true );
// query whether Storage or Stream
bool IsStream( const OUString & rEleName ) const;
bool IsStorage( const OUString & rEleName ) const;
bool IsContained( const OUString & rEleName ) const;
// remove element
bool Remove( const OUString & rEleName );
bool CopyTo( const OUString & rEleName, SotStorage * pDest,
const OUString & rNewName );
bool IsOLEStorage() const;
static bool IsOLEStorage( const OUString & rFileName );
static bool IsOLEStorage( SvStream* pStream );
static SotStorage* OpenOLEStorage( const css::uno::Reference < css::embed::XStorage >& xStorage,
const OUString& rEleName, StreamMode = StreamMode::STD_READWRITE );
static SotClipboardFormatId GetFormatID( const css::uno::Reference < css::embed::XStorage >& xStorage );
static sal_Int32 GetVersion( const css::uno::Reference < css::embed::XStorage >& xStorage );
};
#endif // _SVSTOR_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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