/* -*- 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_STREAMWRAP_HXX #define INCLUDED_UNOTOOLS_STREAMWRAP_HXX #include #include #include #include #include #include #include #include #include class SvStream; namespace utl { //= OInputStreamWrapper typedef ::cppu::WeakImplHelper1 < css::io::XInputStream > InputStreamWrapper_Base; // needed for some compilers /// helper class for wrapping an SvStream into an com.sun.star.io::XInputStream class UNOTOOLS_DLLPUBLIC OInputStreamWrapper : public InputStreamWrapper_Base { protected: ::osl::Mutex m_aMutex; SvStream* m_pSvStream; bool m_bSvStreamOwner : 1; OInputStreamWrapper() { m_pSvStream = nullptr; m_bSvStreamOwner = false; } void SetStream(SvStream* _pStream, bool bOwner ) { m_pSvStream = _pStream; m_bSvStreamOwner = bOwner; } public: OInputStreamWrapper(SvStream& _rStream); OInputStreamWrapper(SvStream* pStream, bool bOwner=false); virtual ~OInputStreamWrapper() 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::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::uno::RuntimeException, std::exception) override; virtual void SAL_CALL skipBytes(sal_Int32 nBytesToSkip) throw(css::io::NotConnectedException, css::io::BufferSizeExceededException, css::uno::RuntimeException, std::exception) override; virtual sal_Int32 SAL_CALL available() throw(css::io::NotConnectedException, css::uno::RuntimeException, std::exception) override; virtual void SAL_CALL closeInput() throw(css::io::NotConnectedException, css::uno::RuntimeException, std::exception) override; protected: /// throws a NotConnectedException if the object is not connected anymore void checkConnected() const; /// throws an exception according to the error flag of m_pSvStream void checkError() const; }; //= OSeekableInputStreamWrapper typedef ::cppu::ImplHelper1 < css::io::XSeekable > OSeekableInputStreamWrapper_Base; /** helper class for wrapping an SvStream into an com.sun.star.io::XInputStream which is seekable (i.e. supports the com.sun.star.io::XSeekable interface). */ class UNOTOOLS_DLLPUBLIC OSeekableInputStreamWrapper : public ::cppu::ImplInheritanceHelper1 < OInputStreamWrapper, css::io::XSeekable > { protected: OSeekableInputStreamWrapper() {} ~OSeekableInputStreamWrapper() override; public: OSeekableInputStreamWrapper(SvStream& _rStream); OSeekableInputStreamWrapper(SvStream* _pStream, bool _bOwner = false); // XSeekable virtual void SAL_CALL seek( sal_Int64 _nLocation ) 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; }; //= OOutputStreamWrapper typedef ::cppu::WeakImplHelper1 OutputStreamWrapper_Base; // needed for some compilers class OOutputStreamWrapper : public OutputStreamWrapper_Base { public: UNOTOOLS_DLLPUBLIC OOutputStreamWrapper(SvStream& _rStream); protected: virtual ~OOutputStreamWrapper() override; // css::io::XOutputStream virtual void SAL_CALL writeBytes(const css::uno::Sequence< sal_Int8 >& aData) throw(css::io::NotConnectedException, css::io::BufferSizeExceededException, css::uno::RuntimeException, std::exception) override; virtual void SAL_CALL flush() throw(css::io::NotConnectedException, css::io::BufferSizeExceededException, css::uno::RuntimeException, std::exception) override; virtual void SAL_CALL closeOutput() throw(css::io::NotConnectedException, css::io::BufferSizeExceededException, css::uno::RuntimeException, std::exception) override; /// throws an exception according to the error flag of m_pSvStream void checkError() const; // TODO: thread safety! SvStream& rStream; }; //= OSeekableOutputStreamWrapper typedef ::cppu::ImplHelper1 < css::io::XSeekable > OSeekableOutputStreamWrapper_Base; /** helper class for wrapping an SvStream into an com.sun.star.io::XOutputStream which is seekable (i.e. supports the com.sun.star.io::XSeekable interface). */ class UNOTOOLS_DLLPUBLIC OSeekableOutputStreamWrapper :public OOutputStreamWrapper ,public OSeekableOutputStreamWrapper_Base { public: OSeekableOutputStreamWrapper(SvStream& _rStream); private: virtual ~OSeekableOutputStreamWrapper() override; // disambiguate XInterface virtual css::uno::Any SAL_CALL queryInterface( const css::uno::Type& _rType ) throw (css::uno::RuntimeException, std::exception) override; virtual void SAL_CALL acquire( ) throw () override; virtual void SAL_CALL release( ) throw () override; // XSeekable virtual void SAL_CALL seek( sal_Int64 _nLocation ) 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; }; class UNOTOOLS_DLLPUBLIC OStreamWrapper : public ::cppu::ImplInheritanceHelper3 < OSeekableInputStreamWrapper, css::io::XStream, css::io::XOutputStream, css::io::XTruncate > { protected: ~OStreamWrapper() override; public: OStreamWrapper(SvStream& _rStream); // css::io::XStream virtual css::uno::Reference< css::io::XInputStream > SAL_CALL getInputStream( ) throw (css::uno::RuntimeException, std::exception) override; virtual css::uno::Reference< css::io::XOutputStream > SAL_CALL getOutputStream( ) throw (css::uno::RuntimeException, std::exception) override; // css::io::XOutputStream virtual void SAL_CALL writeBytes(const css::uno::Sequence< sal_Int8 >& aData) throw(css::io::NotConnectedException, css::io::BufferSizeExceededException, css::uno::RuntimeException, std::exception) override; virtual void SAL_CALL flush() throw(css::io::NotConnectedException, css::io::BufferSizeExceededException, css::uno::RuntimeException, std::exception) override; virtual void SAL_CALL closeOutput() throw(css::io::NotConnectedException, css::io::BufferSizeExceededException, css::uno::RuntimeException, std::exception) override; virtual void SAL_CALL truncate() throw(css::io::IOException, css::uno::RuntimeException, std::exception) override; }; } // namespace utl #endif // INCLUDED_UNOTOOLS_STREAMWRAP_HXX /* vim:set shiftwidth=4 softtabstop=4 expandtab: */