office-gobmx/store/source/storlckb.hxx

171 lines
4.5 KiB
C++

/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef _STORE_STORLCKB_HXX_
#define _STORE_STORLCKB_HXX_ "$Revision: 1.6.8.1 $"
#include "sal/types.h"
#include "rtl/ustring.h"
#include "rtl/ref.hxx"
#include "object.hxx"
#include "storbase.hxx"
#include "storpage.hxx"
namespace store
{
struct OStoreDataPageData;
struct OStoreDirectoryPageData;
/*========================================================================
*
* OStoreLockBytes interface.
*
*======================================================================*/
class OStoreLockBytes : public store::OStoreObject
{
public:
/** Construction.
*/
OStoreLockBytes (void);
/** create (two-phase construction).
* @param pManager [in]
* @param pPath [in]
* @param pName [in]
* @param eMode [in]
* @return store_E_None upon success
*/
storeError create (
OStorePageManager *pManager,
rtl_String *pPath,
rtl_String *pName,
storeAccessMode eAccessMode);
/** Read at Offset into Buffer.
* @param nOffset [in]
* @param pBuffer [out]
* @param nBytes [in]
* @param rnDone [out]
* @return store_E_None upon success
*/
storeError readAt (
sal_uInt32 nOffset,
void *pBuffer,
sal_uInt32 nBytes,
sal_uInt32 &rnDone);
/** Write at Offset from Buffer.
* @param nOffset [in]
* @param pBuffer [in]
* @param nBytes [in]
* @param rnDone [out]
* @return store_E_None upon success
*/
storeError writeAt (
sal_uInt32 nOffset,
const void *pBuffer,
sal_uInt32 nBytes,
sal_uInt32 &rnDone);
/** flush.
* @return store_E_None upon success
*/
storeError flush (void);
/** setSize.
* @param nSize [in]
* @return store_E_None upon success
*/
storeError setSize (sal_uInt32 nSize);
/** stat.
* @paran rnSize [out]
* @return store_E_None upon success
*/
storeError stat (sal_uInt32 &rnSize);
/** IStoreHandle.
*/
virtual sal_Bool SAL_CALL isKindOf (sal_uInt32 nMagic);
protected:
/** Destruction (OReference).
*/
virtual ~OStoreLockBytes (void);
private:
/** IStoreHandle TypeId.
*/
static const sal_uInt32 m_nTypeId;
/** IStoreHandle query() template specialization.
*/
friend OStoreLockBytes*
SAL_CALL query<> (IStoreHandle *pHandle, OStoreLockBytes*);
/** Representation.
*/
rtl::Reference<OStorePageManager> m_xManager;
typedef OStoreDataPageData data;
typedef OStoreDirectoryPageData inode;
typedef PageHolderObject< inode > inode_holder_type;
inode_holder_type m_xNode;
bool m_bWriteable;
/** Not implemented.
*/
OStoreLockBytes (const OStoreLockBytes&);
OStoreLockBytes& operator= (const OStoreLockBytes&);
};
template<> inline OStoreLockBytes*
SAL_CALL query (IStoreHandle *pHandle, OStoreLockBytes*)
{
if (pHandle && pHandle->isKindOf (OStoreLockBytes::m_nTypeId))
{
// Handle is kind of OStoreLockBytes.
return static_cast<OStoreLockBytes*>(pHandle);
}
return 0;
}
/*========================================================================
*
* The End.
*
*======================================================================*/
} // namespace store
#endif /* !_STORE_STORLCKB_HXX_ */