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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_comphelper.hxx"
#include <comphelper/oslfile2streamwrap.hxx>
#include <algorithm>
namespace comphelper
{
using namespace osl;
//------------------------------------------------------------------
OSLInputStreamWrapper::OSLInputStreamWrapper( File& _rFile )
:m_pFile(&_rFile)
,m_bFileOwner(sal_False)
{
}
//------------------------------------------------------------------
OSLInputStreamWrapper::OSLInputStreamWrapper( File* pStream, sal_Bool bOwner )
:m_pFile( pStream )
,m_bFileOwner( bOwner )
{
}
//------------------------------------------------------------------
OSLInputStreamWrapper::~OSLInputStreamWrapper()
{
if( m_bFileOwner )
delete m_pFile;
}
//------------------------------------------------------------------------------
sal_Int32 SAL_CALL OSLInputStreamWrapper::readBytes(staruno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead)
throw( stario::NotConnectedException, stario::BufferSizeExceededException, staruno::RuntimeException )
{
if (!m_pFile)
throw stario::NotConnectedException(::rtl::OUString(), static_cast<staruno::XWeak*>(this));
if (nBytesToRead < 0)
throw stario::BufferSizeExceededException(::rtl::OUString(),static_cast<staruno::XWeak*>(this));
::osl::MutexGuard aGuard( m_aMutex );
aData.realloc(nBytesToRead);
sal_uInt64 nRead = 0;
FileBase::RC eError = m_pFile->read((void*)aData.getArray(), nBytesToRead, nRead);
if (eError != FileBase::E_None)
throw stario::BufferSizeExceededException(::rtl::OUString(),static_cast<staruno::XWeak*>(this));
// Wenn gelesene Zeichen < MaxLength, staruno::Sequence anpassen
if (nRead < (sal_uInt32)nBytesToRead)
aData.realloc( sal::static_int_cast< sal_Int32 >(nRead) );
return sal::static_int_cast< sal_Int32 >(nRead);
}
//------------------------------------------------------------------------------
sal_Int32 SAL_CALL OSLInputStreamWrapper::readSomeBytes(staruno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead) throw( stario::NotConnectedException, stario::BufferSizeExceededException, staruno::RuntimeException )
{
if (!m_pFile)
throw stario::NotConnectedException(::rtl::OUString(), static_cast<staruno::XWeak*>(this));
if (nMaxBytesToRead < 0)
throw stario::BufferSizeExceededException(::rtl::OUString(),static_cast<staruno::XWeak*>(this));
/*
if (m_pFile->IsEof())
{
aData.realloc(0);
return 0;
}
else
*/
return readBytes(aData, nMaxBytesToRead);
}
//------------------------------------------------------------------------------
void SAL_CALL OSLInputStreamWrapper::skipBytes(sal_Int32 nBytesToSkip) throw( stario::NotConnectedException, stario::BufferSizeExceededException, staruno::RuntimeException )
{
::osl::MutexGuard aGuard( m_aMutex );
if (!m_pFile)
throw stario::NotConnectedException(::rtl::OUString(), static_cast<staruno::XWeak*>(this));
sal_uInt64 nCurrentPos;
m_pFile->getPos(nCurrentPos);
sal_uInt64 nNewPos = nCurrentPos + nBytesToSkip;
FileBase::RC eError = m_pFile->setPos(osl_osl_Pos_Absolut, nNewPos);
if (eError != FileBase::E_None)
{
throw stario::NotConnectedException(::rtl::OUString(), static_cast<staruno::XWeak*>(this));
}
#ifdef DBG_UTIL
m_pFile->getPos(nCurrentPos);
// volatile int dummy = 0; // to take a look at last changes ;-)
#endif
}
//------------------------------------------------------------------------------
sal_Int32 SAL_CALL OSLInputStreamWrapper::available() throw( stario::NotConnectedException, staruno::RuntimeException )
{
::osl::MutexGuard aGuard( m_aMutex );
if (!m_pFile)
throw stario::NotConnectedException(::rtl::OUString(), static_cast<staruno::XWeak*>(this));
sal_uInt64 nPos;
FileBase::RC eError = m_pFile->getPos(nPos);
if (eError != FileBase::E_None)
throw stario::NotConnectedException(::rtl::OUString(), static_cast<staruno::XWeak*>(this));
sal_uInt64 nDummy = 0;
eError = m_pFile->setPos(osl_Pos_End, nDummy);
if (eError != FileBase::E_None)
throw stario::NotConnectedException(::rtl::OUString(),static_cast<staruno::XWeak*>(this));
sal_uInt64 nAvailable;
eError = m_pFile->getPos(nAvailable);
if (eError != FileBase::E_None)
throw stario::NotConnectedException(::rtl::OUString(),static_cast<staruno::XWeak*>(this));
nAvailable = nAvailable - nPos;
eError = m_pFile->setPos(osl_Pos_Absolut, nPos);
if (eError != FileBase::E_None)
throw stario::NotConnectedException(::rtl::OUString(),static_cast<staruno::XWeak*>(this));
return sal::static_int_cast< sal_Int32 >(
std::max(nAvailable, sal::static_int_cast< sal_uInt64 >(SAL_MAX_INT32)));
}
//------------------------------------------------------------------------------
void SAL_CALL OSLInputStreamWrapper::closeInput() throw( stario::NotConnectedException, staruno::RuntimeException )
{
if (!m_pFile)
throw stario::NotConnectedException(::rtl::OUString(), static_cast<staruno::XWeak*>(this));
m_pFile->close();
if (m_bFileOwner)
delete m_pFile;
m_pFile = NULL;
}
/*************************************************************************/
// stario::XOutputStream
//------------------------------------------------------------------------------
void SAL_CALL OSLOutputStreamWrapper::writeBytes(const staruno::Sequence< sal_Int8 >& aData) throw( stario::NotConnectedException, stario::BufferSizeExceededException, staruno::RuntimeException )
{
sal_uInt64 nWritten;
FileBase::RC eError = rFile.write(aData.getConstArray(),aData.getLength(), nWritten);
if (eError != FileBase::E_None
|| nWritten != sal::static_int_cast< sal_uInt32 >(aData.getLength()))
{
throw stario::BufferSizeExceededException(::rtl::OUString(),static_cast<staruno::XWeak*>(this));
}
}
//------------------------------------------------------------------
void SAL_CALL OSLOutputStreamWrapper::flush() throw( stario::NotConnectedException, stario::BufferSizeExceededException, staruno::RuntimeException )
{
}
//------------------------------------------------------------------
void SAL_CALL OSLOutputStreamWrapper::closeOutput() throw( stario::NotConnectedException, stario::BufferSizeExceededException, staruno::RuntimeException )
{
rFile.close();
}
} // namespace comphelper
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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