139 lines
4.1 KiB
C++
139 lines
4.1 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include "txtcache.hxx"
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#include <txtfrm.hxx>
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#include "porlay.hxx"
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SwTextLine::SwTextLine( SwTextFrame const *pFrame, SwParaPortion *pNew ) :
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SwCacheObj( static_cast<void const *>(pFrame) ),
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pLine( pNew )
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{
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}
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SwTextLine::~SwTextLine()
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{
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}
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SwCacheObj *SwTextLineAccess::NewObj()
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{
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return new SwTextLine( static_cast<SwTextFrame const *>(m_pOwner) );
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}
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SwParaPortion *SwTextLineAccess::GetPara()
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{
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SwTextLine *pRet;
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if ( m_pObj )
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pRet = static_cast<SwTextLine*>(m_pObj);
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else
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{
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pRet = static_cast<SwTextLine*>(Get());
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const_cast<SwTextFrame *>(static_cast<SwTextFrame const *>(m_pOwner))->SetCacheIdx( pRet->GetCachePos() );
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}
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if ( !pRet->GetPara() )
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pRet->SetPara( new SwParaPortion, true/*bDelete*/ );
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return pRet->GetPara();
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}
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SwTextLineAccess::SwTextLineAccess( const SwTextFrame *pOwn ) :
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SwCacheAccess( *SwTextFrame::GetTextCache(), pOwn, pOwn->GetCacheIdx() )
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{
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}
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bool SwTextLineAccess::IsAvailable() const
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{
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return m_pObj && static_cast<SwTextLine*>(m_pObj)->GetPara();
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}
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bool SwTextFrame::HasPara_() const
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{
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SwTextLine *pTextLine = static_cast<SwTextLine*>(SwTextFrame::GetTextCache()->
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Get( this, GetCacheIdx(), false ));
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if ( pTextLine )
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{
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if ( pTextLine->GetPara() )
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return true;
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}
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else
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const_cast<SwTextFrame*>(this)->mnCacheIndex = USHRT_MAX;
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return false;
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}
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SwParaPortion *SwTextFrame::GetPara()
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{
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if ( GetCacheIdx() != USHRT_MAX )
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{
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SwTextLine *pLine = static_cast<SwTextLine*>(SwTextFrame::GetTextCache()->
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Get( this, GetCacheIdx(), false ));
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if ( pLine )
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return pLine->GetPara();
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else
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mnCacheIndex = USHRT_MAX;
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}
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return nullptr;
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}
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void SwTextFrame::ClearPara()
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{
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OSL_ENSURE( !IsLocked(), "+SwTextFrame::ClearPara: this is locked." );
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if ( !IsLocked() && GetCacheIdx() != USHRT_MAX )
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{
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SwTextLine *pTextLine = static_cast<SwTextLine*>(SwTextFrame::GetTextCache()->
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Get( this, GetCacheIdx(), false ));
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if ( pTextLine )
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{
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pTextLine->SetPara( nullptr, true/*bDelete*/ );
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}
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else
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mnCacheIndex = USHRT_MAX;
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}
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}
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void SwTextFrame::SetPara( SwParaPortion *pNew, bool bDelete )
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{
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if ( GetCacheIdx() != USHRT_MAX )
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{
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// Only change the information, the CacheObj stays there
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SwTextLine *pTextLine = static_cast<SwTextLine*>(SwTextFrame::GetTextCache()->
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Get( this, GetCacheIdx(), false ));
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if ( pTextLine )
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{
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pTextLine->SetPara( pNew, bDelete );
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}
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else
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{
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OSL_ENSURE( !pNew, "+SetPara: Losing SwParaPortion" );
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mnCacheIndex = USHRT_MAX;
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}
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}
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else if ( pNew )
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{ // Insert a new one
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SwTextLine *pTextLine = new SwTextLine( this, pNew );
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if ( SwTextFrame::GetTextCache()->Insert( pTextLine ) )
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mnCacheIndex = pTextLine->GetCachePos();
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else
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{
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OSL_FAIL( "+SetPara: InsertCache failed." );
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}
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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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