05ab38359a
as in commit 9376f65a26
Change-Id: I3ad9afd4d113582a214a4a4bc7eea55e38cd6ff9
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/119927
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
171 lines
5.4 KiB
C++
171 lines
5.4 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 <sal/config.h>
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#include <com/sun/star/io/BufferSizeExceededException.hpp>
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#include <com/sun/star/io/NotConnectedException.hpp>
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#include <comphelper/oslfile2streamwrap.hxx>
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#include <o3tl/safeint.hxx>
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#include <osl/file.hxx>
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#include <algorithm>
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namespace comphelper
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{
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using namespace osl;
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OSLInputStreamWrapper::OSLInputStreamWrapper( File& _rFile )
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: m_pFile(&_rFile)
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{
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}
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OSLInputStreamWrapper::~OSLInputStreamWrapper()
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{
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}
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sal_Int32 SAL_CALL OSLInputStreamWrapper::readBytes(css::uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead)
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{
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if (!m_pFile)
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throw css::io::NotConnectedException(OUString(), static_cast<css::uno::XWeak*>(this));
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if (nBytesToRead < 0)
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throw css::io::BufferSizeExceededException(OUString(),static_cast<css::uno::XWeak*>(this));
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aData.realloc(nBytesToRead);
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std::scoped_lock aGuard( m_aMutex );
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sal_uInt64 nRead = 0;
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FileBase::RC eError = m_pFile->read(static_cast<void*>(aData.getArray()), nBytesToRead, nRead);
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if (eError != FileBase::E_None)
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throw css::io::BufferSizeExceededException(OUString(),static_cast<css::uno::XWeak*>(this));
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// If the read character < MaxLength, adjust css::uno::Sequence
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if (nRead < o3tl::make_unsigned(nBytesToRead))
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aData.realloc( sal::static_int_cast< sal_Int32 >(nRead) );
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return sal::static_int_cast< sal_Int32 >(nRead);
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}
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sal_Int32 SAL_CALL OSLInputStreamWrapper::readSomeBytes(css::uno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead)
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{
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if (!m_pFile)
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throw css::io::NotConnectedException(OUString(), static_cast<css::uno::XWeak*>(this));
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if (nMaxBytesToRead < 0)
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throw css::io::BufferSizeExceededException(OUString(),static_cast<css::uno::XWeak*>(this));
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return readBytes(aData, nMaxBytesToRead);
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}
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void SAL_CALL OSLInputStreamWrapper::skipBytes(sal_Int32 nBytesToSkip)
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{
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std::scoped_lock aGuard( m_aMutex );
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if (!m_pFile)
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throw css::io::NotConnectedException(OUString(), static_cast<css::uno::XWeak*>(this));
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sal_uInt64 nCurrentPos;
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FileBase::RC eError = m_pFile->getPos(nCurrentPos);
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if (eError != FileBase::E_None)
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throw css::io::NotConnectedException(OUString(), static_cast<css::uno::XWeak*>(this));
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sal_uInt64 nNewPos = nCurrentPos + nBytesToSkip;
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eError = m_pFile->setPos(osl_Pos_Absolut, nNewPos);
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if (eError != FileBase::E_None)
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throw css::io::NotConnectedException(OUString(), static_cast<css::uno::XWeak*>(this));
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}
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sal_Int32 SAL_CALL OSLInputStreamWrapper::available()
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{
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std::scoped_lock aGuard( m_aMutex );
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if (!m_pFile)
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throw css::io::NotConnectedException(OUString(), static_cast<css::uno::XWeak*>(this));
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sal_uInt64 nPos;
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FileBase::RC eError = m_pFile->getPos(nPos);
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if (eError != FileBase::E_None)
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throw css::io::NotConnectedException(OUString(), static_cast<css::uno::XWeak*>(this));
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eError = m_pFile->setPos(osl_Pos_End, 0);
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if (eError != FileBase::E_None)
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throw css::io::NotConnectedException(OUString(),static_cast<css::uno::XWeak*>(this));
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sal_uInt64 nAvailable;
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eError = m_pFile->getPos(nAvailable);
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if (eError != FileBase::E_None)
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throw css::io::NotConnectedException(OUString(),static_cast<css::uno::XWeak*>(this));
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nAvailable = nAvailable - nPos;
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eError = m_pFile->setPos(osl_Pos_Absolut, nPos);
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if (eError != FileBase::E_None)
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throw css::io::NotConnectedException(OUString(),static_cast<css::uno::XWeak*>(this));
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return std::min<sal_Int64>(nAvailable, SAL_MAX_INT32);
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}
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void SAL_CALL OSLInputStreamWrapper::closeInput()
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{
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if (!m_pFile)
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throw css::io::NotConnectedException(OUString(), static_cast<css::uno::XWeak*>(this));
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m_pFile->close();
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m_pFile = nullptr;
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}
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/*************************************************************************/
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// css::io::XOutputStream
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OSLOutputStreamWrapper::OSLOutputStreamWrapper(osl::File & _rFile):
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rFile(_rFile)
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{}
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OSLOutputStreamWrapper::~OSLOutputStreamWrapper() {}
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void SAL_CALL OSLOutputStreamWrapper::writeBytes(const css::uno::Sequence< sal_Int8 >& aData)
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{
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sal_uInt64 nWritten;
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FileBase::RC eError = rFile.write(aData.getConstArray(),aData.getLength(), nWritten);
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if (eError != FileBase::E_None
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|| nWritten != sal::static_int_cast< sal_uInt32 >(aData.getLength()))
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{
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throw css::io::BufferSizeExceededException(OUString(),static_cast<css::uno::XWeak*>(this));
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}
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}
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void SAL_CALL OSLOutputStreamWrapper::flush()
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{
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}
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void SAL_CALL OSLOutputStreamWrapper::closeOutput()
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{
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rFile.close();
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}
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} // namespace comphelper
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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