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-rw-r--r--ucb/source/ucp/cmis/std_inputstream.cxx182
1 files changed, 182 insertions, 0 deletions
diff --git a/ucb/source/ucp/cmis/std_inputstream.cxx b/ucb/source/ucp/cmis/std_inputstream.cxx
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index 000000000..ed7e5d19b
--- /dev/null
+++ b/ucb/source/ucp/cmis/std_inputstream.cxx
@@ -0,0 +1,182 @@
+/* -*- 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/.
+ */
+
+#include <sal/config.h>
+
+#include <com/sun/star/io/IOException.hpp>
+#include <com/sun/star/lang/IllegalArgumentException.hpp>
+#include <sal/log.hxx>
+#include <cppuhelper/queryinterface.hxx>
+
+#include "std_inputstream.hxx"
+
+using namespace com::sun::star;
+
+namespace cmis
+{
+ StdInputStream::StdInputStream( boost::shared_ptr< std::istream > const & pStream ) :
+ m_pStream( pStream ),
+ m_nLength( 0 )
+ {
+ if (m_pStream)
+ {
+ auto nInitPos = m_pStream->tellg( );
+ m_pStream->seekg( 0, std::ios_base::end );
+ auto nEndPos = m_pStream->tellg( );
+ m_pStream->seekg( nInitPos, std::ios_base::beg );
+
+ m_nLength = sal_Int64( nEndPos - nInitPos );
+ }
+ }
+
+ StdInputStream::~StdInputStream()
+ {
+ }
+
+ uno::Any SAL_CALL StdInputStream::queryInterface( const uno::Type& rType )
+ {
+ uno::Any aRet = ::cppu::queryInterface( rType,
+ static_cast< XInputStream* >( this ),
+ static_cast< XSeekable* >( this ) );
+
+ return aRet.hasValue() ? aRet : OWeakObject::queryInterface( rType );
+ }
+
+ void SAL_CALL StdInputStream::acquire( ) noexcept
+ {
+ OWeakObject::acquire();
+ }
+
+ void SAL_CALL StdInputStream::release( ) noexcept
+ {
+ OWeakObject::release();
+ }
+
+ sal_Int32 SAL_CALL StdInputStream::readBytes( uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead )
+ {
+ std::scoped_lock aGuard( m_aMutex );
+
+ if ( 0 <= nBytesToRead && aData.getLength() < nBytesToRead )
+ aData.realloc( nBytesToRead );
+
+ if (!m_pStream)
+ throw io::IOException( );
+
+ sal_Int32 nRead = 0;
+ try
+ {
+ m_pStream->read( reinterpret_cast< char* >( aData.getArray( ) ), nBytesToRead );
+ nRead = m_pStream->gcount();
+ }
+ catch ( const std::ios_base::failure& e )
+ {
+ SAL_INFO( "ucb.ucp.cmis", "StdInputStream::readBytes() error: " << e.what() );
+ throw io::IOException( );
+ }
+
+ return nRead;
+ }
+
+ sal_Int32 SAL_CALL StdInputStream::readSomeBytes( uno::Sequence< sal_Int8 >& aData,
+ sal_Int32 nMaxBytesToRead )
+ {
+ std::scoped_lock aGuard( m_aMutex );
+
+ if ( 0 <= nMaxBytesToRead && aData.getLength() < nMaxBytesToRead )
+ aData.realloc( nMaxBytesToRead );
+
+ if (!m_pStream)
+ throw io::IOException( );
+
+ sal_Int32 nRead = 0;
+ try
+ {
+ nRead = m_pStream->readsome( reinterpret_cast< char* >( aData.getArray( ) ), nMaxBytesToRead );
+ }
+ catch ( const std::ios_base::failure& e )
+ {
+ SAL_INFO( "ucb.ucp.cmis", "StdInputStream::readBytes() error: " << e.what() );
+ throw io::IOException( );
+ }
+ return nRead;
+ }
+
+ void SAL_CALL StdInputStream::skipBytes( sal_Int32 nBytesToSkip )
+ {
+ std::scoped_lock aGuard( m_aMutex );
+
+ if (!m_pStream)
+ throw io::IOException( );
+
+ try
+ {
+ m_pStream->seekg( nBytesToSkip, std::ios_base::cur );
+ }
+ catch ( const std::ios_base::failure& e )
+ {
+ SAL_INFO( "ucb.ucp.cmis", "StdInputStream::readBytes() error: " << e.what() );
+ throw io::IOException( );
+ }
+ }
+
+ sal_Int32 SAL_CALL StdInputStream::available( )
+ {
+ return std::min<sal_Int64>( SAL_MAX_INT32, m_nLength - getPosition() );
+ }
+
+ void SAL_CALL StdInputStream::closeInput( )
+ {
+ // No need to implement this for an istream
+ }
+
+ void SAL_CALL StdInputStream::seek( sal_Int64 location )
+ {
+ std::scoped_lock aGuard( m_aMutex );
+
+ if ( location < 0 || location > m_nLength )
+ throw lang::IllegalArgumentException(
+ "Location can't be negative or greater than the length",
+ static_cast< cppu::OWeakObject* >( this ), 0 );
+
+ if (!m_pStream)
+ throw io::IOException( );
+
+ try
+ {
+ m_pStream->clear( ); // may be needed to rewind the stream
+ m_pStream->seekg( location, std::ios_base::beg );
+ }
+ catch ( const std::ios_base::failure& e )
+ {
+ SAL_INFO( "ucb.ucp.cmis", "StdInputStream::readBytes() error: " << e.what() );
+ throw io::IOException( );
+ }
+ }
+
+ sal_Int64 SAL_CALL StdInputStream::getPosition( )
+ {
+ std::scoped_lock aGuard( m_aMutex );
+
+ if (!m_pStream)
+ throw io::IOException( );
+
+ sal_Int64 nPos = m_pStream->tellg( );
+ if ( -1 == nPos )
+ throw io::IOException( );
+
+ return nPos;
+ }
+
+ sal_Int64 SAL_CALL StdInputStream::getLength( )
+ {
+ return m_nLength;
+ }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */