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Diffstat (limited to 'include/store/store.hxx')
| -rw-r--r-- | include/store/store.hxx | 317 |
1 files changed, 317 insertions, 0 deletions
diff --git a/include/store/store.hxx b/include/store/store.hxx new file mode 100644 index 0000000000..ada5579f36 --- /dev/null +++ b/include/store/store.hxx @@ -0,0 +1,317 @@ +/* -*- 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 <store/store.h> +#include <sal/types.h> +#include <rtl/ustring.hxx> +#include <store/types.h> + +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: */ |