/* -*- 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_UNOTOOLS_STREAMHELPER_HXX #define INCLUDED_UNOTOOLS_STREAMHELPER_HXX #include #include #include #include #include #include namespace utl { /** * The helper implementation for a using input streams based on SvLockBytes. * * @author Dirk Grobler * @since 00/28/03 */ typedef ::cppu::WeakImplHelper2 InputStreamHelper_Base; // needed for some compilers class UNOTOOLS_DLLPUBLIC OInputStreamHelper : public InputStreamHelper_Base { ::osl::Mutex m_aMutex; SvLockBytesRef m_xLockBytes; sal_uInt64 m_nActPos; sal_Int32 m_nAvailable; // this is typically the chunk(buffer) size public: OInputStreamHelper(const SvLockBytesRef& _xLockBytes, sal_uInt32 _nAvailable) :m_xLockBytes(_xLockBytes) ,m_nActPos(0) ,m_nAvailable(_nAvailable){} // css::uno::XInterface virtual void SAL_CALL acquire() throw () override; virtual void SAL_CALL release() throw () override; // css::io::XInputStream virtual sal_Int32 SAL_CALL readBytes( css::uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead ) throw(css::io::NotConnectedException, css::io::BufferSizeExceededException, css::io::IOException, css::uno::RuntimeException, std::exception) override; virtual sal_Int32 SAL_CALL readSomeBytes( css::uno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead ) throw(css::io::NotConnectedException, css::io::BufferSizeExceededException, css::io::IOException, css::uno::RuntimeException, std::exception) override; virtual void SAL_CALL skipBytes( sal_Int32 nBytesToSkip ) throw(css::io::NotConnectedException, css::io::BufferSizeExceededException, css::io::IOException, css::uno::RuntimeException, std::exception) override; virtual sal_Int32 SAL_CALL available( ) throw(css::io::NotConnectedException, css::io::IOException, css::uno::RuntimeException, std::exception) override; virtual void SAL_CALL closeInput( ) throw (css::io::NotConnectedException, css::io::IOException, css::uno::RuntimeException, std::exception) override; virtual void SAL_CALL seek( sal_Int64 location ) throw(css::lang::IllegalArgumentException, css::io::IOException, css::uno::RuntimeException, std::exception) override; virtual sal_Int64 SAL_CALL getPosition( ) throw(css::io::IOException, css::uno::RuntimeException, std::exception) override; virtual sal_Int64 SAL_CALL getLength( ) throw(css::io::IOException, css::uno::RuntimeException, std::exception) override; }; } // namespace utl #endif // _UNOTOOLS_STREAM_WRAPPER_HXX_ /* vim:set shiftwidth=4 softtabstop=4 expandtab: */