/* -*- 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 . */ #pragma once #include #include #include #include namespace store { class OStoreStream { public: OStoreStream() : m_hImpl (nullptr) {} ~OStoreStream() { if (m_hImpl) (void) store_releaseHandle (m_hImpl); } OStoreStream (OStoreStream const & rhs) : m_hImpl (rhs.m_hImpl) { if (m_hImpl) (void) store_acquireHandle (m_hImpl); } OStoreStream & operator= (OStoreStream const & rhs) { if (rhs.m_hImpl) (void) store_acquireHandle (rhs.m_hImpl); if (m_hImpl) (void) store_releaseHandle (m_hImpl); m_hImpl = rhs.m_hImpl; return *this; } /** Open the stream. @see store_openStream() */ storeError create ( storeFileHandle hFile, OUString const & rPath, OUString const & rName, storeAccessMode eMode) { if (m_hImpl) { (void) store_releaseHandle (m_hImpl); m_hImpl = nullptr; } return store_openStream (hFile, rPath.pData, rName.pData, eMode, &m_hImpl); } /** Read from the stream. @see store_readStream() */ storeError readAt ( sal_uInt32 nOffset, void * pBuffer, sal_uInt32 nBytes, sal_uInt32 & rnDone) { if (!m_hImpl) return store_E_InvalidHandle; return store_readStream (m_hImpl, nOffset, pBuffer, nBytes, &rnDone); } /** Write to the stream. @see store_writeStream() */ storeError writeAt ( sal_uInt32 nOffset, void const * pBuffer, sal_uInt32 nBytes, sal_uInt32 & rnDone) { if (!m_hImpl) return store_E_InvalidHandle; return store_writeStream (m_hImpl, nOffset, pBuffer, nBytes, &rnDone); } private: storeStreamHandle m_hImpl; }; class OStoreDirectory { public: OStoreDirectory() : m_hImpl (nullptr) {} ~OStoreDirectory() { if (m_hImpl) (void) store_releaseHandle (m_hImpl); } OStoreDirectory (OStoreDirectory const & rhs) : m_hImpl (rhs.m_hImpl) { if (m_hImpl) (void) store_acquireHandle (m_hImpl); } OStoreDirectory (OStoreDirectory && rhs) noexcept : m_hImpl (rhs.m_hImpl) { rhs.m_hImpl = nullptr; } OStoreDirectory & operator= (OStoreDirectory const & rhs) { if (rhs.m_hImpl) (void) store_acquireHandle (rhs.m_hImpl); if (m_hImpl) (void) store_releaseHandle (m_hImpl); m_hImpl = rhs.m_hImpl; return *this; } OStoreDirectory & operator= (OStoreDirectory && rhs) noexcept { if (m_hImpl) (void) store_releaseHandle (m_hImpl); m_hImpl = rhs.m_hImpl; rhs.m_hImpl = nullptr; return *this; } /** Open the directory. @see store_openDirectory() */ storeError create ( storeFileHandle hFile, OUString const & rPath, OUString const & rName, storeAccessMode eMode) { if (m_hImpl) { (void) store_releaseHandle (m_hImpl); m_hImpl = nullptr; } return store_openDirectory (hFile, rPath.pData, rName.pData, eMode, &m_hImpl); } /** Directory iterator type. @see first() @see next() */ typedef storeFindData iterator; /** Find first directory entry. @see store_findFirst() */ storeError first (iterator& it) { if (!m_hImpl) return store_E_InvalidHandle; return store_findFirst (m_hImpl, &it); } /** Find next directory entry. @see store_findNext() */ storeError next (iterator& it) { if (!m_hImpl) return store_E_InvalidHandle; return store_findNext (m_hImpl, &it); } private: storeDirectoryHandle m_hImpl; }; class OStoreFile { public: OStoreFile() : m_hImpl (nullptr) {} ~OStoreFile() { if (m_hImpl) (void) store_releaseHandle (m_hImpl); } OStoreFile (OStoreFile const & rhs) : m_hImpl (rhs.m_hImpl) { if (m_hImpl) (void) store_acquireHandle (m_hImpl); } OStoreFile & operator= (OStoreFile const & rhs) { if (rhs.m_hImpl) (void) store_acquireHandle (rhs.m_hImpl); if (m_hImpl) (void) store_releaseHandle (m_hImpl); m_hImpl = rhs.m_hImpl; return *this; } operator storeFileHandle() const { return m_hImpl; } /** Check for a valid File Handle. @return sal_True if valid, sal_False otherwise. */ bool isValid() const { return (m_hImpl != nullptr); } /** Open the file. @see store_openFile() */ storeError create( OUString const & rFilename, storeAccessMode eAccessMode ) { if (m_hImpl) { (void) store_releaseHandle (m_hImpl); m_hImpl = nullptr; } return store_openFile (rFilename.pData, eAccessMode, STORE_DEFAULT_PAGESIZE, &m_hImpl); } /** Open the temporary file in memory. @see store_createMemoryFile() */ storeError createInMemory () { if (m_hImpl) { (void) store_releaseHandle (m_hImpl); m_hImpl = nullptr; } return store_createMemoryFile (STORE_DEFAULT_PAGESIZE, &m_hImpl); } /** Close the file. @see store_closeFile() */ void close() { if (m_hImpl) { (void) store_closeFile (m_hImpl); m_hImpl = nullptr; } } /** Flush the file. @see store_flushFile() */ storeError flush() const { if (!m_hImpl) return store_E_InvalidHandle; return store_flushFile (m_hImpl); } /** Remove a file entry. @see store_remove() */ storeError remove ( OUString const & rPath, OUString const & rName) { if (!m_hImpl) return store_E_InvalidHandle; return store_remove (m_hImpl, rPath.pData, rName.pData); } private: storeFileHandle m_hImpl; }; } // namespace store /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ 6-1 LibreOffice 核心代码仓库文档基金会
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