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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"
SwTextLine::SwTextLine( SwTextFrame const *pFrame, SwParaPortion *pNew ) :
SwCacheObj( static_cast<void const *>(pFrame) ),
pLine( pNew )
{
}
SwTextLine::~SwTextLine()
{
}
SwCacheObj *SwTextLineAccess::NewObj()
{
return new SwTextLine( static_cast<SwTextFrame const *>(m_pOwner) );
}
SwParaPortion *SwTextLineAccess::GetPara()
{
SwTextLine *pRet;
if ( m_pObj )
pRet = static_cast<SwTextLine*>(m_pObj);
else
{
pRet = static_cast<SwTextLine*>(Get());
const_cast<SwTextFrame *>(static_cast<SwTextFrame const *>(m_pOwner))->SetCacheIdx( pRet->GetCachePos() );
}
if ( !pRet->GetPara() )
pRet->SetPara( new SwParaPortion, true/*bDelete*/ );
return pRet->GetPara();
}
SwTextLineAccess::SwTextLineAccess( const SwTextFrame *pOwn ) :
SwCacheAccess( *SwTextFrame::GetTextCache(), pOwn, pOwn->GetCacheIdx() )
{
}
bool SwTextLineAccess::IsAvailable() const
{
return m_pObj && static_cast<SwTextLine*>(m_pObj)->GetPara();
}
bool SwTextFrame::HasPara_() const
{
SwTextLine *pTextLine = static_cast<SwTextLine*>(SwTextFrame::GetTextCache()->
Get( this, GetCacheIdx(), false ));
if ( pTextLine )
{
if ( pTextLine->GetPara() )
return true;
}
else
const_cast<SwTextFrame*>(this)->mnCacheIndex = USHRT_MAX;
return false;
}
SwParaPortion *SwTextFrame::GetPara()
{
if ( GetCacheIdx() != USHRT_MAX )
{
SwTextLine *pLine = static_cast<SwTextLine*>(SwTextFrame::GetTextCache()->
Get( this, GetCacheIdx(), false ));
if ( pLine )
return pLine->GetPara();
else
mnCacheIndex = USHRT_MAX;
}
return nullptr;
}
void SwTextFrame::ClearPara()
{
OSL_ENSURE( !IsLocked(), "+SwTextFrame::ClearPara: this is locked." );
if ( !IsLocked() && GetCacheIdx() != USHRT_MAX )
{
SwTextLine *pTextLine = static_cast<SwTextLine*>(SwTextFrame::GetTextCache()->
Get( this, GetCacheIdx(), false ));
if ( pTextLine )
{
pTextLine->SetPara( nullptr, true/*bDelete*/ );
}
else
mnCacheIndex = USHRT_MAX;
}
}
void SwTextFrame::SetPara( SwParaPortion *pNew, bool bDelete )
{
if ( GetCacheIdx() != USHRT_MAX )
{
// Only change the information, the CacheObj stays there
SwTextLine *pTextLine = static_cast<SwTextLine*>(SwTextFrame::GetTextCache()->
Get( this, GetCacheIdx(), false ));
if ( pTextLine )
{
pTextLine->SetPara( pNew, bDelete );
}
else
{
OSL_ENSURE( !pNew, "+SetPara: Losing SwParaPortion" );
mnCacheIndex = USHRT_MAX;
}
}
else if ( pNew )
{ // Insert a new one
SwTextLine *pTextLine = new SwTextLine( this, pNew );
if ( SwTextFrame::GetTextCache()->Insert( pTextLine ) )
mnCacheIndex = pTextLine->GetCachePos();
else
{
OSL_FAIL( "+SetPara: InsertCache failed." );
}
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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