c28455b899
Change-Id: Ic07c02bfbde9cedd397ed5913a26d5add1fdda5a Reviewed-on: https://gerrit.libreoffice.org/c/core/+/128171 Tested-by: Jenkins Reviewed-by: Julien Nabet <serval2412@yahoo.fr>
154 lines
3.9 KiB
C++
154 lines
3.9 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#pragma once
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#include <sal/config.h>
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#include <memory>
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#include <sal/types.h>
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#include <rtl/ustring.h>
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#include <salhelper/simplereferenceobject.hxx>
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#include <store/types.h>
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#include "storbase.hxx"
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namespace rtl { template <class reference_type> class Reference; }
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namespace store
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{
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class ILockBytes : public virtual salhelper::SimpleReferenceObject
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{
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public:
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/**
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@param rxAllocator [out]
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@param nPageSize [in]
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*/
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storeError initialize (
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rtl::Reference< PageData::Allocator > & rxAllocator,
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sal_uInt16 nPageSize);
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/**
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@param rPage [out]
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@param nOffset [in]
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*/
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storeError readPageAt (
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std::shared_ptr<PageData> & rPage,
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sal_uInt32 nOffset);
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/**
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@param rPage [in]
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@param nOffset [in]
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*/
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storeError writePageAt (
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std::shared_ptr<PageData> const & rPage,
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sal_uInt32 nOffset);
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/**
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@param nOffset [in]
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@param pBuffer [out]
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@param nBytes [in]
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@return store_E_None upon success
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*/
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storeError readAt (
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sal_uInt32 nOffset,
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void *pBuffer,
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sal_uInt32 nBytes);
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/**
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@param nOffset [in]
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@param pBuffer [in]
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@param nBytes [in]
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@return store_E_None upon success
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*/
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storeError writeAt (
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sal_uInt32 nOffset,
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const void *pBuffer,
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sal_uInt32 nBytes);
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/**
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@param rnSize [out]
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@return store_E_None upon success
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*/
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storeError getSize (sal_uInt32 & rnSize);
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/**
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@param nSize [in]
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@return store_E_None upon success
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*/
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storeError setSize (sal_uInt32 nSize);
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/**
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@return store_E_None upon success
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*/
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storeError flush();
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protected:
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virtual ~ILockBytes() override {}
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private:
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/** Implementation (abstract).
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*/
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virtual storeError initialize_Impl (
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rtl::Reference< PageData::Allocator > & rxAllocator,
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sal_uInt16 nPageSize) = 0;
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virtual storeError readPageAt_Impl (
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std::shared_ptr<PageData> & rPage,
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sal_uInt32 nOffset) = 0;
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virtual storeError writePageAt_Impl (
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std::shared_ptr<PageData> const & rPage,
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sal_uInt32 nOffset) = 0;
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virtual storeError readAt_Impl (
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sal_uInt32 nOffset,
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void *pBuffer,
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sal_uInt32 nBytes) = 0;
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virtual storeError writeAt_Impl (
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sal_uInt32 nOffset,
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const void *pBuffer,
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sal_uInt32 nBytes) = 0;
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virtual storeError getSize_Impl (
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sal_uInt32 & rnSize) = 0;
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virtual storeError setSize_Impl (
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sal_uInt32 nSize) = 0;
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virtual storeError flush_Impl() = 0;
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};
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storeError FileLockBytes_createInstance (
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rtl::Reference< store::ILockBytes > & rxLockBytes,
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rtl_uString * pFilename,
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storeAccessMode eAccessMode
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);
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storeError MemoryLockBytes_createInstance (
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rtl::Reference< store::ILockBytes > & rxLockBytes
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);
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} // namespace store
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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