office-gobmx/store/source/storpage.hxx

226 lines
6.2 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_STORPAGE_HXX_
#define _STORE_STORPAGE_HXX_ "$Revision: 1.6.8.2 $"
#include "sal/types.h"
#include "object.hxx"
#include "lockbyte.hxx"
#include "storbase.hxx"
#include "storbios.hxx"
#include "stortree.hxx"
namespace store
{
struct OStoreDirectoryPageData;
class OStoreDirectoryPageObject;
/*========================================================================
*
* OStorePageManager interface.
*
*======================================================================*/
class OStorePageManager : public store::OStorePageBIOS
{
public:
/** Construction.
*/
OStorePageManager (void);
/** Initialization (two-phase construction).
*/
virtual storeError initialize (
ILockBytes * pLockBytes,
storeAccessMode eAccessMode,
sal_uInt16 & rnPageSize);
/** isValid.
* @return sal_True upon successful initialization,
* sal_False otherwise.
*/
inline sal_Bool isValid (void) const;
/** DirectoryPage I/O (managed).
*/
static storeError namei (
const rtl_String *pPath,
const rtl_String *pName,
OStorePageKey &rKey);
storeError iget (
OStoreDirectoryPageObject & rPage, // [out]
sal_uInt32 nAttrib,
const rtl_String * pPath,
const rtl_String * pName,
storeAccessMode eMode);
storeError iterate (
OStorePageKey & rKey,
OStorePageLink & rLink,
sal_uInt32 & rAttrib);
/** attrib [nAttrib = ((nAttrib & ~nMask1) | nMask2)].
* @see store_attrib()
*/
storeError attrib (
const OStorePageKey &rKey,
sal_uInt32 nMask1,
sal_uInt32 nMask2,
sal_uInt32 &rAttrib);
/** link (insert Source Key as hardlink to Destination).
* @see store_link()
*/
storeError link (
const OStorePageKey &rSrcKey,
const OStorePageKey &rDstKey);
/** symlink (insert Source DirectoryPage as symlink to Destination).
* @see store_symlink()
*/
storeError symlink (
const rtl_String *pSrcPath,
const rtl_String *pSrcName,
const OStorePageKey &rDstKey);
/** rename.
* @see store_rename()
*/
storeError rename (
const OStorePageKey &rSrcKey,
const rtl_String *pDstPath,
const rtl_String *pDstName);
/** remove.
* @see store_remove()
*/
storeError remove (
const OStorePageKey &rKey);
/** rebuild (combines recover and compact from 'Src' to 'Dst').
* @param pSrcLB [in] accessed readonly.
* @param pDstLB [in] truncated and accessed readwrite (as initialize()).
* @return store_E_None upon success.
*
* @see store_rebuildFile()
*/
storeError rebuild (
ILockBytes *pSrcLB,
ILockBytes *pDstLB);
/** IStoreHandle.
*/
virtual sal_Bool SAL_CALL isKindOf (sal_uInt32 nTypeId);
protected:
/** Destruction.
*/
virtual ~OStorePageManager (void);
private:
/** Implementation.
*/
typedef OStorePageBIOS base;
typedef OStorePageManager self;
typedef OStoreBTreeEntry entry;
typedef OStoreBTreeNodeData page;
typedef OStoreBTreeNodeObject node;
typedef OStoreDirectoryPageData inode;
typedef PageHolderObject< inode > inode_holder_type;
/** IStoreHandle TypeId.
*/
static const sal_uInt32 m_nTypeId;
/** IStoreHandle query() template function specialization.
*/
friend OStorePageManager*
SAL_CALL query<> (IStoreHandle *pHandle, OStorePageManager*);
/** Representation.
*/
OStoreBTreeRootObject m_aRoot;
/** DirectoryPage I/O (managed).
*/
storeError load_dirpage_Impl ( // @@@ => private: iget() @@@
const OStorePageKey &rKey,
OStoreDirectoryPageObject &rPage);
storeError save_dirpage_Impl ( // @@@ => private: iget(), rebuild() @@@
const OStorePageKey &rKey,
OStoreDirectoryPageObject &rPage);
/** find_lookup (node page and index, w/o split).
*/
storeError find_lookup (
OStoreBTreeNodeObject & rNode,
sal_uInt16 & rIndex,
OStorePageKey const & rKey);
/** remove (possibly down from root).
*/
storeError remove_Impl (entry & rEntry);
/** Not implemented.
*/
OStorePageManager (const OStorePageManager&);
OStorePageManager& operator= (const OStorePageManager&);
};
inline sal_Bool OStorePageManager::isValid (void) const
{
return (base::isValid() /* @@@ NYI && (m_aRoot.is()) */);
}
template<> inline OStorePageManager*
SAL_CALL query (IStoreHandle *pHandle, OStorePageManager*)
{
if (pHandle && pHandle->isKindOf (OStorePageManager::m_nTypeId))
{
// Handle is kind of OStorePageManager.
return static_cast<OStorePageManager*>(pHandle);
}
return 0;
}
/*========================================================================
*
* The End.
*
*======================================================================*/
} // namespace store
#endif /* !_STORE_STORPAGE_HXX_ */