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/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: NeonInputStream.cxx,v $
*
* $Revision: 1.9 $
*
* last change: $Author: hr $ $Date: 2006-06-20 05:36:21 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
*
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2005 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library 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 for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
************************************************************************/
#include "NeonInputStream.hxx"
#ifndef _RTL_MEMORY_H_
#include <rtl/memory.h>
#endif
using namespace cppu;
using namespace rtl;
using namespace com::sun::star::io;
using namespace com::sun::star::uno;
using namespace webdav_ucp;
// -------------------------------------------------------------------
// Constructor
// -------------------------------------------------------------------
NeonInputStream::NeonInputStream( void )
: mLen( 0 ),
mPos( 0 )
{
}
// -------------------------------------------------------------------
// Destructor
// -------------------------------------------------------------------
NeonInputStream::~NeonInputStream( void )
{
}
// -------------------------------------------------------------------
// AddToStream
// Allows the caller to add some data to the "end" of the stream
// -------------------------------------------------------------------
void NeonInputStream::AddToStream( const char * inBuf, sal_Int32 inLen )
{
mInputBuffer.realloc( sal::static_int_cast<sal_Int32>(mLen) + inLen );
rtl_copyMemory( mInputBuffer.getArray() + mLen, inBuf, inLen );
mLen += inLen;
}
// -------------------------------------------------------------------
// queryInterface
// -------------------------------------------------------------------
Any NeonInputStream::queryInterface( const Type &type )
throw( RuntimeException )
{
Any aRet = ::cppu::queryInterface( type,
static_cast< XInputStream * >( this ),
static_cast< XSeekable * >( this ) );
return aRet.hasValue() ? aRet : OWeakObject::queryInterface( type );
}
// -------------------------------------------------------------------
// readBytes
// "Reads" the specified number of bytes from the stream
// -------------------------------------------------------------------
sal_Int32 SAL_CALL NeonInputStream::readBytes(
::com::sun::star::uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead )
throw( ::com::sun::star::io::NotConnectedException,
::com::sun::star::io::BufferSizeExceededException,
::com::sun::star::io::IOException,
::com::sun::star::uno::RuntimeException )
{
// Work out how much we're actually going to write
sal_Int32 theBytes2Read = nBytesToRead;
sal_Int32 theBytesLeft = sal::static_int_cast<sal_Int32>(mLen - mPos);
if ( theBytes2Read > theBytesLeft )
theBytes2Read = theBytesLeft;
// Realloc buffer.
aData.realloc( theBytes2Read );
// Write the data
rtl_copyMemory(
aData.getArray(), mInputBuffer.getConstArray() + mPos, theBytes2Read );
// Update our stream position for next time
mPos += theBytes2Read;
return theBytes2Read;
}
// -------------------------------------------------------------------
// readSomeBytes
// -------------------------------------------------------------------
sal_Int32 SAL_CALL NeonInputStream::readSomeBytes(
::com::sun::star::uno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead )
throw( ::com::sun::star::io::NotConnectedException,
::com::sun::star::io::BufferSizeExceededException,
::com::sun::star::io::IOException,
::com::sun::star::uno::RuntimeException )
{
// Warning: What should this be doing ?
return readBytes( aData, nMaxBytesToRead );
}
// -------------------------------------------------------------------
// skipBytes
// Moves the current stream position forward
// -------------------------------------------------------------------
void SAL_CALL NeonInputStream::skipBytes( sal_Int32 nBytesToSkip )
throw( ::com::sun::star::io::NotConnectedException,
::com::sun::star::io::BufferSizeExceededException,
::com::sun::star::io::IOException,
::com::sun::star::uno::RuntimeException )
{
mPos += nBytesToSkip;
if ( mPos >= mLen )
mPos = mLen;
}
// -------------------------------------------------------------------
// available
// Returns the number of unread bytes currently remaining on the stream
// -------------------------------------------------------------------
sal_Int32 SAL_CALL NeonInputStream::available( )
throw( ::com::sun::star::io::NotConnectedException,
::com::sun::star::io::IOException,
::com::sun::star::uno::RuntimeException )
{
return sal::static_int_cast<sal_Int32>(mLen - mPos);
}
// -------------------------------------------------------------------
// closeInput
// -------------------------------------------------------------------
void SAL_CALL NeonInputStream::closeInput( void )
throw( ::com::sun::star::io::NotConnectedException,
::com::sun::star::io::IOException,
::com::sun::star::uno::RuntimeException )
{
}
// -------------------------------------------------------------------
// seek
// -------------------------------------------------------------------
void SAL_CALL NeonInputStream::seek( sal_Int64 location )
throw( ::com::sun::star::lang::IllegalArgumentException,
::com::sun::star::io::IOException,
::com::sun::star::uno::RuntimeException )
{
if ( location < 0 )
throw ::com::sun::star::lang::IllegalArgumentException();
if ( location <= mLen )
mPos = location;
else
throw ::com::sun::star::lang::IllegalArgumentException();
}
// -------------------------------------------------------------------
// getPosition
// -------------------------------------------------------------------
sal_Int64 SAL_CALL NeonInputStream::getPosition()
throw( ::com::sun::star::io::IOException,
::com::sun::star::uno::RuntimeException )
{
return mPos;
}
// -------------------------------------------------------------------
// getLength
// -------------------------------------------------------------------
sal_Int64 SAL_CALL NeonInputStream::getLength()
throw( ::com::sun::star::io::IOException,
::com::sun::star::uno::RuntimeException )
{
return mLen;
}
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