office-gobmx/svl/source/items/lckbitem.cxx
2012-07-02 14:43:34 +01:00

169 lines
4.7 KiB
C++

/* -*- 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/.
*
* This file incorporates work covered by the following license notice:
*
* 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 .
*/
#include <svl/lckbitem.hxx>
#include <svl/poolitem.hxx>
#include <com/sun/star/uno/Any.hxx>
#include <com/sun/star/uno/Sequence.hxx>
#include <tools/cachestr.hxx>
// -----------------------------------------------------------------------
TYPEINIT1_AUTOFACTORY(SfxLockBytesItem, SfxPoolItem);
// -----------------------------------------------------------------------
SfxLockBytesItem::SfxLockBytesItem()
{
}
// -----------------------------------------------------------------------
SfxLockBytesItem::SfxLockBytesItem( sal_uInt16 nW, SvStream &rStream )
: SfxPoolItem( nW )
{
rStream.Seek( 0L );
_xVal = new SvLockBytes( new SvCacheStream(), sal_True );
SvStream aLockBytesStream( _xVal );
rStream >> aLockBytesStream;
}
// -----------------------------------------------------------------------
SfxLockBytesItem::SfxLockBytesItem( const SfxLockBytesItem& rItem )
: SfxPoolItem( rItem ),
_xVal( rItem._xVal )
{
}
// -----------------------------------------------------------------------
SfxLockBytesItem::~SfxLockBytesItem()
{
}
// -----------------------------------------------------------------------
int SfxLockBytesItem::operator==( const SfxPoolItem& rItem ) const
{
return ((SfxLockBytesItem&)rItem)._xVal == _xVal;
}
// -----------------------------------------------------------------------
SfxPoolItem* SfxLockBytesItem::Clone(SfxItemPool *) const
{
return new SfxLockBytesItem( *this );
}
// -----------------------------------------------------------------------
#define MAX_BUF 32000
SfxPoolItem* SfxLockBytesItem::Create( SvStream &rStream, sal_uInt16 ) const
{
sal_uInt32 nSize = 0;
sal_uLong nActRead = 0;
sal_Char cTmpBuf[MAX_BUF];
SvMemoryStream aNewStream;
rStream >> nSize;
do {
sal_uLong nToRead;
if( (nSize - nActRead) > MAX_BUF )
nToRead = MAX_BUF;
else
nToRead = nSize - nActRead;
nActRead += rStream.Read( cTmpBuf, nToRead );
aNewStream.Write( cTmpBuf, nToRead );
} while( nSize > nActRead );
return new SfxLockBytesItem( Which(), aNewStream );
}
// -----------------------------------------------------------------------
SvStream& SfxLockBytesItem::Store(SvStream &rStream, sal_uInt16 ) const
{
SvStream aLockBytesStream( _xVal );
sal_uInt32 nSize = aLockBytesStream.Seek( STREAM_SEEK_TO_END );
aLockBytesStream.Seek( 0L );
rStream << nSize;
rStream << aLockBytesStream;
return rStream;
}
//----------------------------------------------------------------------------
// virtual
bool SfxLockBytesItem::PutValue( const com::sun::star::uno::Any& rVal, sal_uInt8 )
{
com::sun::star::uno::Sequence< sal_Int8 > aSeq;
if ( rVal >>= aSeq )
{
if ( aSeq.getLength() )
{
SvCacheStream* pStream = new SvCacheStream;
pStream->Write( (void*)aSeq.getConstArray(), aSeq.getLength() );
pStream->Seek(0);
_xVal = new SvLockBytes( pStream, sal_True );
}
else
_xVal = NULL;
return true;
}
OSL_FAIL( "SfxLockBytesItem::PutValue - Wrong type!" );
return true;
}
//----------------------------------------------------------------------------
// virtual
bool SfxLockBytesItem::QueryValue( com::sun::star::uno::Any& rVal, sal_uInt8 ) const
{
if ( _xVal.Is() )
{
sal_uInt32 nLen;
SvLockBytesStat aStat;
if ( _xVal->Stat( &aStat, SVSTATFLAG_DEFAULT ) == ERRCODE_NONE )
nLen = aStat.nSize;
else
return false;
sal_uLong nRead = 0;
com::sun::star::uno::Sequence< sal_Int8 > aSeq( nLen );
_xVal->ReadAt( 0, aSeq.getArray(), nLen, &nRead );
rVal <<= aSeq;
}
else
{
com::sun::star::uno::Sequence< sal_Int8 > aSeq( 0 );
rVal <<= aSeq;
}
return true;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */