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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_STORE_SOURCE_STORPAGE_HXX
#define INCLUDED_STORE_SOURCE_STORPAGE_HXX
#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();
/** Initialization (two-phase construction).
*/
virtual storeError initialize (
ILockBytes * pLockBytes,
storeAccessMode eAccessMode,
sal_uInt16 & rnPageSize) override;
/** isValid.
* @return sal_True upon successful initialization,
* sal_False otherwise.
*/
inline bool isValid() 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);
/** remove.
* @see store_remove()
*/
storeError remove (
const OStorePageKey &rKey);
/** IStoreHandle.
*/
virtual bool isKindOf (sal_uInt32 nTypeId) override;
protected:
/** Destruction.
*/
virtual ~OStorePageManager();
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<> (OStoreObject *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);
OStorePageManager (const OStorePageManager&) = delete;
OStorePageManager& operator= (const OStorePageManager&) = delete;
};
inline bool OStorePageManager::isValid() const
{
return (base::isValid() /* @@@ NYI && (m_aRoot.is()) */);
}
template<> inline OStorePageManager*
SAL_CALL query (OStoreObject *pHandle, SAL_UNUSED_PARAMETER 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 // INCLUDED_STORE_SOURCE_STORPAGE_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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