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/* -*- 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 "txtcache.hxx"
#include "txtfrm.hxx"
#include "porlay.hxx"
SwTxtLine::SwTxtLine( SwTxtFrm *pFrm, SwParaPortion *pNew ) :
SwCacheObj( (void*)pFrm ),
pLine( pNew )
{
}
SwTxtLine::~SwTxtLine()
{
delete pLine;
}
SwCacheObj *SwTxtLineAccess::NewObj()
{
return new SwTxtLine( const_cast<SwTxtFrm *>(static_cast<SwTxtFrm const *>(pOwner)) );
}
SwParaPortion *SwTxtLineAccess::GetPara()
{
SwTxtLine *pRet;
if ( pObj )
pRet = static_cast<SwTxtLine*>(pObj);
else
{
pRet = static_cast<SwTxtLine*>(Get());
const_cast<SwTxtFrm *>(static_cast<SwTxtFrm const *>(pOwner))->SetCacheIdx( pRet->GetCachePos() );
}
if ( !pRet->GetPara() )
pRet->SetPara( new SwParaPortion );
return pRet->GetPara();
}
SwTxtLineAccess::SwTxtLineAccess( const SwTxtFrm *pOwn ) :
SwCacheAccess( *SwTxtFrm::GetTxtCache(), pOwn, pOwn->GetCacheIdx() )
{
}
bool SwTxtLineAccess::IsAvailable() const
{
return pObj && static_cast<SwTxtLine*>(pObj)->GetPara();
}
bool SwTxtFrm::_HasPara() const
{
SwTxtLine *pTxtLine = static_cast<SwTxtLine*>(SwTxtFrm::GetTxtCache()->
Get( this, GetCacheIdx(), false ));
if ( pTxtLine )
{
if ( pTxtLine->GetPara() )
return true;
}
else
const_cast<SwTxtFrm*>(this)->nCacheIdx = USHRT_MAX;
return false;
}
SwParaPortion *SwTxtFrm::GetPara()
{
if ( GetCacheIdx() != USHRT_MAX )
{
SwTxtLine *pLine = static_cast<SwTxtLine*>(SwTxtFrm::GetTxtCache()->
Get( this, GetCacheIdx(), false ));
if ( pLine )
return pLine->GetPara();
else
nCacheIdx = USHRT_MAX;
}
return 0;
}
void SwTxtFrm::ClearPara()
{
OSL_ENSURE( !IsLocked(), "+SwTxtFrm::ClearPara: this is locked." );
if ( !IsLocked() && GetCacheIdx() != USHRT_MAX )
{
SwTxtLine *pTxtLine = static_cast<SwTxtLine*>(SwTxtFrm::GetTxtCache()->
Get( this, GetCacheIdx(), false ));
if ( pTxtLine )
{
delete pTxtLine->GetPara();
pTxtLine->SetPara( 0 );
}
else
nCacheIdx = USHRT_MAX;
}
}
void SwTxtFrm::SetPara( SwParaPortion *pNew, bool bDelete )
{
if ( GetCacheIdx() != USHRT_MAX )
{
// Only change the information, the CacheObj stays there
SwTxtLine *pTxtLine = static_cast<SwTxtLine*>(SwTxtFrm::GetTxtCache()->
Get( this, GetCacheIdx(), false ));
if ( pTxtLine )
{
if( bDelete )
delete pTxtLine->GetPara();
pTxtLine->SetPara( pNew );
}
else
{
OSL_ENSURE( !pNew, "+SetPara: Losing SwParaPortion" );
nCacheIdx = USHRT_MAX;
}
}
else if ( pNew )
{ // Insert a new one
SwTxtLine *pTxtLine = new SwTxtLine( this, pNew );
if ( SwTxtFrm::GetTxtCache()->Insert( pTxtLine ) )
nCacheIdx = pTxtLine->GetCachePos();
else
{
OSL_FAIL( "+SetPara: InsertCache failed." );
}
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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