| /************************************************************** |
| * |
| * 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 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the 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_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(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(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 |
| |
| |