Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #include <svl/lckbitem.hxx>
      21             : #include <svl/poolitem.hxx>
      22             : #include <osl/diagnose.h>
      23             : #include <com/sun/star/uno/Any.hxx>
      24             : #include <com/sun/star/uno/Sequence.hxx>
      25             : 
      26             : 
      27             : 
      28          22 : TYPEINIT1_AUTOFACTORY(SfxLockBytesItem, SfxPoolItem);
      29             : 
      30             : 
      31             : 
      32           0 : SfxLockBytesItem::SfxLockBytesItem()
      33             : {
      34           0 : }
      35             : 
      36             : 
      37             : 
      38           0 : SfxLockBytesItem::SfxLockBytesItem( sal_uInt16 nW, SvStream &rStream )
      39           0 : :   SfxPoolItem( nW )
      40             : {
      41           0 :     rStream.Seek( 0L );
      42           0 :     _xVal = new SvLockBytes( new SvMemoryStream(), true );
      43             : 
      44           0 :     SvStream aLockBytesStream( _xVal );
      45           0 :     rStream.ReadStream( aLockBytesStream );
      46           0 : }
      47             : 
      48             : 
      49             : 
      50           0 : SfxLockBytesItem::SfxLockBytesItem( const SfxLockBytesItem& rItem )
      51             : :   SfxPoolItem( rItem ),
      52           0 :     _xVal( rItem._xVal )
      53             : {
      54           0 : }
      55             : 
      56             : 
      57             : 
      58           0 : SfxLockBytesItem::~SfxLockBytesItem()
      59             : {
      60           0 : }
      61             : 
      62             : 
      63             : 
      64           0 : bool SfxLockBytesItem::operator==( const SfxPoolItem& rItem ) const
      65             : {
      66           0 :     return static_cast<const SfxLockBytesItem&>(rItem)._xVal == _xVal;
      67             : }
      68             : 
      69             : 
      70             : 
      71           0 : SfxPoolItem* SfxLockBytesItem::Clone(SfxItemPool *) const
      72             : {
      73           0 :     return new SfxLockBytesItem( *this );
      74             : }
      75             : 
      76             : 
      77             : 
      78             : #define MAX_BUF 32000
      79             : 
      80           0 : SfxPoolItem* SfxLockBytesItem::Create( SvStream &rStream, sal_uInt16 ) const
      81             : {
      82           0 :     sal_uInt32 nSize = 0;
      83           0 :     sal_uLong nActRead = 0;
      84             :     sal_Char cTmpBuf[MAX_BUF];
      85           0 :     SvMemoryStream aNewStream;
      86           0 :     rStream.ReadUInt32( nSize );
      87             : 
      88           0 :     do {
      89             :         sal_uLong nToRead;
      90           0 :         if( (nSize - nActRead) > MAX_BUF )
      91           0 :             nToRead = MAX_BUF;
      92             :         else
      93           0 :             nToRead = nSize - nActRead;
      94           0 :         nActRead += rStream.Read( cTmpBuf, nToRead );
      95           0 :         aNewStream.Write( cTmpBuf, nToRead );
      96           0 :     } while( nSize > nActRead );
      97             : 
      98           0 :     return new SfxLockBytesItem( Which(), aNewStream );
      99             : }
     100             : 
     101             : 
     102             : 
     103           0 : SvStream& SfxLockBytesItem::Store(SvStream &rStream, sal_uInt16 ) const
     104             : {
     105           0 :     SvStream aLockBytesStream( _xVal );
     106           0 :     sal_uInt32 nSize = aLockBytesStream.Seek( STREAM_SEEK_TO_END );
     107           0 :     aLockBytesStream.Seek( 0L );
     108             : 
     109           0 :     rStream.WriteUInt32( nSize );
     110           0 :     rStream.WriteStream( aLockBytesStream );
     111             : 
     112           0 :     return rStream;
     113             : }
     114             : 
     115             : // virtual
     116           0 : bool SfxLockBytesItem::PutValue( const com::sun::star::uno::Any& rVal, sal_uInt8 )
     117             : {
     118           0 :     com::sun::star::uno::Sequence< sal_Int8 > aSeq;
     119           0 :     if ( rVal >>= aSeq )
     120             :     {
     121           0 :         if ( aSeq.getLength() )
     122             :         {
     123           0 :             SvMemoryStream* pStream = new SvMemoryStream();
     124           0 :             pStream->Write( aSeq.getConstArray(), aSeq.getLength() );
     125           0 :             pStream->Seek(0);
     126             : 
     127           0 :             _xVal = new SvLockBytes( pStream, true );
     128             :         }
     129             :         else
     130           0 :             _xVal = NULL;
     131             : 
     132           0 :         return true;
     133             :     }
     134             : 
     135             :     OSL_FAIL( "SfxLockBytesItem::PutValue - Wrong type!" );
     136           0 :     return true;
     137             : }
     138             : 
     139             : // virtual
     140           0 : bool SfxLockBytesItem::QueryValue( com::sun::star::uno::Any& rVal, sal_uInt8 ) const
     141             : {
     142           0 :     if ( _xVal.Is() )
     143             :     {
     144             :         sal_uInt32 nLen;
     145           0 :         SvLockBytesStat aStat;
     146             : 
     147           0 :         if ( _xVal->Stat( &aStat, SVSTATFLAG_DEFAULT ) == ERRCODE_NONE )
     148           0 :             nLen = aStat.nSize;
     149             :         else
     150           0 :             return false;
     151             : 
     152           0 :         sal_uLong nRead = 0;
     153           0 :         com::sun::star::uno::Sequence< sal_Int8 > aSeq( nLen );
     154             : 
     155           0 :         _xVal->ReadAt( 0, aSeq.getArray(), nLen, &nRead );
     156           0 :         rVal <<= aSeq;
     157             :     }
     158             :     else
     159             :     {
     160           0 :         com::sun::star::uno::Sequence< sal_Int8 > aSeq( 0 );
     161           0 :         rVal <<= aSeq;
     162             :     }
     163             : 
     164           0 :     return true;
     165             : }
     166             : 
     167             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */