e58324aaca
Change-Id: I67705cdff0440487019a2992571147d648be1bfc
418 lines
11 KiB
C++
418 lines
11 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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#include "store/store.h"
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#include <sal/types.h>
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#include <rtl/string.hxx>
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#include <rtl/ref.hxx>
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#include "object.hxx"
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#include "lockbyte.hxx"
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#include "storbase.hxx"
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#include "storpage.hxx"
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#include "stordir.hxx"
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#include "storlckb.hxx"
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using rtl::Reference;
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namespace store
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{
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/** Template helper class as type safe Reference to store_handle_type.
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*/
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template<class store_handle_type>
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class OStoreHandle : public rtl::Reference<store_handle_type>
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{
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public:
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explicit OStoreHandle (store_handle_type * pHandle)
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: rtl::Reference<store_handle_type> (pHandle)
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{}
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static store_handle_type * SAL_CALL query (void * pHandle)
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{
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return store::query (
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static_cast<OStoreObject*>(pHandle),
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static_cast<store_handle_type*>(0));
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}
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};
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}
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using namespace store;
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/*========================================================================
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*
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* storeHandle implementation.
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*
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*======================================================================*/
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/*
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* store_acquireHandle.
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*/
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storeError SAL_CALL store_acquireHandle (
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storeHandle Handle
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) SAL_THROW_EXTERN_C()
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{
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OStoreObject *pHandle = static_cast<OStoreObject*>(Handle);
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if (!pHandle)
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return store_E_InvalidHandle;
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pHandle->acquire();
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return store_E_None;
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}
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/*
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* store_releaseHandle.
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*/
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storeError SAL_CALL store_releaseHandle (
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storeHandle Handle
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) SAL_THROW_EXTERN_C()
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{
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OStoreObject *pHandle = static_cast<OStoreObject*>(Handle);
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if (!pHandle)
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return store_E_InvalidHandle;
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pHandle->release();
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return store_E_None;
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}
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/*========================================================================
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*
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* storeFileHandle implementation.
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*
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*======================================================================*/
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/*
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* store_createMemoryFile.
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*/
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storeError SAL_CALL store_createMemoryFile (
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sal_uInt16 nPageSize,
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storeFileHandle *phFile
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) SAL_THROW_EXTERN_C()
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{
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if (!phFile)
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return store_E_InvalidParameter;
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*phFile = nullptr;
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Reference<ILockBytes> xLockBytes;
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storeError eErrCode = MemoryLockBytes_createInstance(xLockBytes);
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if (eErrCode != store_E_None)
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return eErrCode;
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OSL_ASSERT(xLockBytes.is());
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Reference<OStorePageManager> xManager (new OStorePageManager());
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if (!xManager.is())
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return store_E_OutOfMemory;
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eErrCode = xManager->initialize (
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&*xLockBytes, storeAccessMode::Create, nPageSize);
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if (eErrCode != store_E_None)
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return eErrCode;
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xManager->acquire();
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*phFile = xManager.get();
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return store_E_None;
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}
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/*
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* store_openFile.
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*/
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storeError SAL_CALL store_openFile (
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rtl_uString *pFilename,
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storeAccessMode eAccessMode,
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sal_uInt16 nPageSize,
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storeFileHandle *phFile
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) SAL_THROW_EXTERN_C()
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{
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if (phFile)
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*phFile = nullptr;
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if (!(pFilename && phFile))
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return store_E_InvalidParameter;
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Reference<ILockBytes> xLockBytes;
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storeError eErrCode = FileLockBytes_createInstance (xLockBytes, pFilename, eAccessMode);
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if (eErrCode != store_E_None)
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return eErrCode;
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OSL_ASSERT(xLockBytes.is());
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Reference<OStorePageManager> xManager (new OStorePageManager());
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if (!xManager.is())
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return store_E_OutOfMemory;
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eErrCode = xManager->initialize (
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&*xLockBytes, eAccessMode, nPageSize);
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if (eErrCode != store_E_None)
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return eErrCode;
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xManager->acquire();
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*phFile = xManager.get();
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return store_E_None;
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}
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/*
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* store_closeFile.
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*/
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storeError SAL_CALL store_closeFile (
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storeFileHandle Handle
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) SAL_THROW_EXTERN_C()
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{
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OStorePageManager *pManager =
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OStoreHandle<OStorePageManager>::query (Handle);
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if (!pManager)
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return store_E_InvalidHandle;
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storeError eErrCode = pManager->close();
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pManager->release();
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return eErrCode;
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}
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/*
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* store_flushFile.
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*/
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storeError SAL_CALL store_flushFile (
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storeFileHandle Handle
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) SAL_THROW_EXTERN_C()
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{
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OStoreHandle<OStorePageManager> xManager (
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OStoreHandle<OStorePageManager>::query (Handle));
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if (!xManager.is())
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return store_E_InvalidHandle;
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return xManager->flush();
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}
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/*========================================================================
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*
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* storeDirectoryHandle implementation.
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*
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*======================================================================*/
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/*
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* store_openDirectory.
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*/
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storeError SAL_CALL store_openDirectory (
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storeFileHandle hFile,
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rtl_uString *pPath,
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rtl_uString *pName,
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storeAccessMode eAccessMode,
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storeDirectoryHandle *phDirectory
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) SAL_THROW_EXTERN_C()
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{
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storeError eErrCode = store_E_None;
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if (phDirectory)
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*phDirectory = nullptr;
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OStoreHandle<OStorePageManager> xManager (
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OStoreHandle<OStorePageManager>::query (hFile));
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if (!xManager.is())
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return store_E_InvalidHandle;
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if (!(pPath && pName && phDirectory))
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return store_E_InvalidParameter;
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Reference<OStoreDirectory_Impl> xDirectory (new OStoreDirectory_Impl());
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if (!xDirectory.is())
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return store_E_OutOfMemory;
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OString aPath (pPath->buffer, pPath->length, RTL_TEXTENCODING_UTF8);
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OString aName (pName->buffer, pName->length, RTL_TEXTENCODING_UTF8);
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eErrCode = xDirectory->create (&*xManager, aPath.pData, aName.pData, eAccessMode);
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if (eErrCode != store_E_None)
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return eErrCode;
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xDirectory->acquire();
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*phDirectory = xDirectory.get();
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return store_E_None;
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}
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/*
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* store_findFirst.
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*/
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storeError SAL_CALL store_findFirst (
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storeDirectoryHandle Handle,
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storeFindData *pFindData
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) SAL_THROW_EXTERN_C()
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{
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OStoreHandle<OStoreDirectory_Impl> xDirectory (
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OStoreHandle<OStoreDirectory_Impl>::query (Handle));
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if (!xDirectory.is())
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return store_E_InvalidHandle;
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if (!pFindData)
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return store_E_InvalidParameter;
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// Initialize FindData.
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memset (pFindData, 0, sizeof (storeFindData));
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// Find first.
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pFindData->m_nReserved = (sal_uInt32)(~0);
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return xDirectory->iterate (*pFindData);
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}
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/*
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* store_findNext.
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*/
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storeError SAL_CALL store_findNext (
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storeDirectoryHandle Handle,
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storeFindData *pFindData
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) SAL_THROW_EXTERN_C()
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{
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OStoreHandle<OStoreDirectory_Impl> xDirectory (
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OStoreHandle<OStoreDirectory_Impl>::query (Handle));
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if (!xDirectory.is())
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return store_E_InvalidHandle;
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if (!pFindData)
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return store_E_InvalidParameter;
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// Check FindData.
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if (!pFindData->m_nReserved)
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return store_E_NoMoreFiles;
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// Find next.
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pFindData->m_nReserved -= 1;
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return xDirectory->iterate (*pFindData);
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}
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/*========================================================================
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*
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* storeStreamHandle implementation.
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*
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*======================================================================*/
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/*
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* store_openStream
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*/
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storeError SAL_CALL store_openStream (
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storeFileHandle hFile,
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rtl_uString *pPath,
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rtl_uString *pName,
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storeAccessMode eAccessMode,
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storeStreamHandle *phStream
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) SAL_THROW_EXTERN_C()
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{
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storeError eErrCode = store_E_None;
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if (phStream)
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*phStream = nullptr;
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OStoreHandle<OStorePageManager> xManager (
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OStoreHandle<OStorePageManager>::query (hFile));
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if (!xManager.is())
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return store_E_InvalidHandle;
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if (!(pPath && pName && phStream))
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return store_E_InvalidParameter;
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Reference<OStoreLockBytes> xLockBytes (new OStoreLockBytes());
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if (!xLockBytes.is())
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return store_E_OutOfMemory;
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OString aPath (pPath->buffer, pPath->length, RTL_TEXTENCODING_UTF8);
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OString aName (pName->buffer, pName->length, RTL_TEXTENCODING_UTF8);
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eErrCode = xLockBytes->create (&*xManager, aPath.pData, aName.pData, eAccessMode);
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if (eErrCode != store_E_None)
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return eErrCode;
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xLockBytes->acquire();
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*phStream = xLockBytes.get();
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return store_E_None;
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}
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/*
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* store_readStream.
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*/
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storeError SAL_CALL store_readStream (
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storeStreamHandle Handle,
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sal_uInt32 nOffset,
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void *pBuffer,
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sal_uInt32 nBytes,
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sal_uInt32 *pnDone
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) SAL_THROW_EXTERN_C()
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{
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OStoreHandle<OStoreLockBytes> xLockBytes (
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OStoreHandle<OStoreLockBytes>::query (Handle));
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if (!xLockBytes.is())
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return store_E_InvalidHandle;
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if (!(pBuffer && pnDone))
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return store_E_InvalidParameter;
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return xLockBytes->readAt (nOffset, pBuffer, nBytes, *pnDone);
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}
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/*
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* store_writeStream.
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*/
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storeError SAL_CALL store_writeStream (
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storeStreamHandle Handle,
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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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sal_uInt32 *pnDone
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) SAL_THROW_EXTERN_C()
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{
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OStoreHandle<OStoreLockBytes> xLockBytes (
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OStoreHandle<OStoreLockBytes>::query (Handle));
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if (!xLockBytes.is())
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return store_E_InvalidHandle;
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if (!(pBuffer && pnDone))
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return store_E_InvalidParameter;
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return xLockBytes->writeAt (nOffset, pBuffer, nBytes, *pnDone);
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}
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/*
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* store_remove.
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*/
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storeError SAL_CALL store_remove (
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storeFileHandle Handle,
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rtl_uString *pPath,
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rtl_uString *pName
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) SAL_THROW_EXTERN_C()
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{
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storeError eErrCode = store_E_None;
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OStoreHandle<OStorePageManager> xManager (
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OStoreHandle<OStorePageManager>::query (Handle));
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if (!xManager.is())
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return store_E_InvalidHandle;
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if (!(pPath && pName))
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return store_E_InvalidParameter;
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// Setup page key.
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OString aPath (pPath->buffer, pPath->length, RTL_TEXTENCODING_UTF8);
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OString aName (pName->buffer, pName->length, RTL_TEXTENCODING_UTF8);
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OStorePageKey aKey;
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eErrCode = OStorePageManager::namei (aPath.pData, aName.pData, aKey);
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if (eErrCode != store_E_None)
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return eErrCode;
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// Remove.
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return xManager->remove (aKey);
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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