422 lines
13 KiB
C++
422 lines
13 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#include <svtools/xtextedt.hxx>
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#include <vcl/svapp.hxx> // International
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#include <unotools/textsearch.hxx>
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#include <com/sun/star/util/SearchOptions.hpp>
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#include <com/sun/star/util/SearchFlags.hpp>
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using namespace ::com::sun::star;
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// -------------------------------------------------------------------------
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// class ExtTextEngine
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// -------------------------------------------------------------------------
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ExtTextEngine::ExtTextEngine() : maGroupChars( String::CreateFromAscii( "(){}[]", 6 ) )
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{
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}
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ExtTextEngine::~ExtTextEngine()
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{
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}
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TextSelection ExtTextEngine::MatchGroup( const TextPaM& rCursor ) const
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{
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TextSelection aSel( rCursor );
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sal_uInt16 nPos = rCursor.GetIndex();
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sal_uLong nPara = rCursor.GetPara();
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sal_uLong nParas = GetParagraphCount();
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if ( ( nPara < nParas ) && ( nPos < GetTextLen( nPara ) ) )
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{
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sal_uInt16 nMatchChar = maGroupChars.Search( GetText( rCursor.GetPara() ).GetChar( nPos ) );
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if ( nMatchChar != STRING_NOTFOUND )
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{
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if ( ( nMatchChar % 2 ) == 0 )
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{
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// Vorwaerts suchen...
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sal_Unicode nSC = maGroupChars.GetChar( nMatchChar );
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sal_Unicode nEC = maGroupChars.GetChar( nMatchChar+1 );
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sal_uInt16 nCur = nPos+1;
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sal_uInt16 nLevel = 1;
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while ( nLevel && ( nPara < nParas ) )
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{
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XubString aStr = GetText( nPara );
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while ( nCur < aStr.Len() )
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{
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if ( aStr.GetChar( nCur ) == nSC )
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nLevel++;
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else if ( aStr.GetChar( nCur ) == nEC )
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{
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nLevel--;
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if ( !nLevel )
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break; // while nCur...
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}
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nCur++;
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}
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if ( nLevel )
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{
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nPara++;
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nCur = 0;
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}
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}
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if ( nLevel == 0 ) // gefunden
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{
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aSel.GetStart() = rCursor;
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aSel.GetEnd() = TextPaM( nPara, nCur+1 );
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}
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}
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else
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{
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// Rueckwaerts suchen...
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xub_Unicode nEC = maGroupChars.GetChar( nMatchChar );
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xub_Unicode nSC = maGroupChars.GetChar( nMatchChar-1 );
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sal_uInt16 nCur = rCursor.GetIndex()-1;
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sal_uInt16 nLevel = 1;
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while ( nLevel )
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{
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if ( GetTextLen( nPara ) )
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{
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XubString aStr = GetText( nPara );
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while ( nCur )
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{
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if ( aStr.GetChar( nCur ) == nSC )
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{
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nLevel--;
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if ( !nLevel )
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break; // while nCur...
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}
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else if ( aStr.GetChar( nCur ) == nEC )
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nLevel++;
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nCur--;
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}
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}
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if ( nLevel )
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{
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if ( nPara )
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{
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nPara--;
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nCur = GetTextLen( nPara )-1; // egal ob negativ, weil if Len()
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}
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else
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break;
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}
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}
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if ( nLevel == 0 ) // gefunden
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{
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aSel.GetStart() = rCursor;
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aSel.GetStart().GetIndex()++; // hinter das Zeichen
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aSel.GetEnd() = TextPaM( nPara, nCur );
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}
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}
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}
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}
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return aSel;
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}
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sal_Bool ExtTextEngine::Search( TextSelection& rSel, const util::SearchOptions& rSearchOptions, sal_Bool bForward )
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{
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TextSelection aSel( rSel );
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aSel.Justify();
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sal_Bool bSearchInSelection = (0 != (rSearchOptions.searchFlag & util::SearchFlags::REG_NOT_BEGINOFLINE) );
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TextPaM aStartPaM( aSel.GetEnd() );
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if ( aSel.HasRange() && ( ( bSearchInSelection && bForward ) || ( !bSearchInSelection && !bForward ) ) )
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{
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aStartPaM = aSel.GetStart();
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}
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bool bFound = false;
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sal_uLong nStartNode, nEndNode;
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if ( bSearchInSelection )
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nEndNode = bForward ? aSel.GetEnd().GetPara() : aSel.GetStart().GetPara();
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else
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nEndNode = bForward ? (GetParagraphCount()-1) : 0;
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nStartNode = aStartPaM.GetPara();
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util::SearchOptions aOptions( rSearchOptions );
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aOptions.Locale = Application::GetSettings().GetLocale();
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utl::TextSearch aSearcher( rSearchOptions );
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// ueber die Absaetze iterieren...
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for ( sal_uLong nNode = nStartNode;
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bForward ? ( nNode <= nEndNode) : ( nNode >= nEndNode );
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bForward ? nNode++ : nNode-- )
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{
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String aText = GetText( nNode );
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sal_uInt16 nStartPos = 0;
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sal_uInt16 nEndPos = aText.Len();
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if ( nNode == nStartNode )
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{
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if ( bForward )
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nStartPos = aStartPaM.GetIndex();
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else
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nEndPos = aStartPaM.GetIndex();
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}
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if ( ( nNode == nEndNode ) && bSearchInSelection )
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{
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if ( bForward )
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nEndPos = aSel.GetEnd().GetIndex();
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else
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nStartPos = aSel.GetStart().GetIndex();
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}
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if ( bForward )
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bFound = aSearcher.SearchFrwrd( aText, &nStartPos, &nEndPos );
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else
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bFound = aSearcher.SearchBkwrd( aText, &nEndPos, &nStartPos );
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if ( bFound )
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{
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rSel.GetStart().GetPara() = nNode;
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rSel.GetStart().GetIndex() = nStartPos;
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rSel.GetEnd().GetPara() = nNode;
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rSel.GetEnd().GetIndex() = nEndPos;
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// Ueber den Absatz selektieren?
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// Select over the paragraph?
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// FIXME This should be max long...
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if( nEndPos == sal::static_int_cast<sal_uInt16>(-1) ) // sal_uInt16 for 0 and -1 !
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{
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if ( (rSel.GetEnd().GetPara()+1) < GetParagraphCount() )
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{
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rSel.GetEnd().GetPara()++;
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rSel.GetEnd().GetIndex() = 0;
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}
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else
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{
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rSel.GetEnd().GetIndex() = nStartPos;
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bFound = false;
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}
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}
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break;
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}
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if ( !bForward && !nNode ) // Bei rueckwaertsuche, wenn nEndNode = 0:
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break;
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}
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return bFound;
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}
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// -------------------------------------------------------------------------
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// class ExtTextView
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// -------------------------------------------------------------------------
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ExtTextView::ExtTextView( ExtTextEngine* pEng, Window* pWindow )
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: TextView( pEng, pWindow )
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{
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}
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ExtTextView::~ExtTextView()
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{
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}
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sal_Bool ExtTextView::MatchGroup()
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{
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TextSelection aTmpSel( GetSelection() );
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aTmpSel.Justify();
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if ( ( aTmpSel.GetStart().GetPara() != aTmpSel.GetEnd().GetPara() ) ||
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( ( aTmpSel.GetEnd().GetIndex() - aTmpSel.GetStart().GetIndex() ) > 1 ) )
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{
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return sal_False;
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}
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TextSelection aMatchSel = ((ExtTextEngine*)GetTextEngine())->MatchGroup( aTmpSel.GetStart() );
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if ( aMatchSel.HasRange() )
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SetSelection( aMatchSel );
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return aMatchSel.HasRange() ? sal_True : sal_False;
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}
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sal_Bool ExtTextView::Search( const util::SearchOptions& rSearchOptions, sal_Bool bForward )
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{
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sal_Bool bFound = sal_False;
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TextSelection aSel( GetSelection() );
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if ( ((ExtTextEngine*)GetTextEngine())->Search( aSel, rSearchOptions, bForward ) )
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{
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bFound = sal_True;
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// Erstmal den Anfang des Wortes als Selektion einstellen,
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// damit das ganze Wort in den sichtbaren Bereich kommt.
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SetSelection( aSel.GetStart() );
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ShowCursor( sal_True, sal_False );
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}
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else
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{
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aSel = GetSelection().GetEnd();
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}
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SetSelection( aSel );
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ShowCursor();
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return bFound;
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}
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sal_uInt16 ExtTextView::Replace( const util::SearchOptions& rSearchOptions, sal_Bool bAll, sal_Bool bForward )
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{
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sal_uInt16 nFound = 0;
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if ( !bAll )
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{
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if ( GetSelection().HasRange() )
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{
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InsertText( rSearchOptions.replaceString );
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nFound = 1;
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Search( rSearchOptions, bForward ); // gleich zum naechsten
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}
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else
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{
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if( Search( rSearchOptions, bForward ) )
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nFound = 1;
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}
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}
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else
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{
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// Der Writer ersetzt alle, vom Anfang bis Ende...
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ExtTextEngine* pTextEngine = (ExtTextEngine*)GetTextEngine();
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// HideSelection();
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TextSelection aSel;
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sal_Bool bSearchInSelection = (0 != (rSearchOptions.searchFlag & util::SearchFlags::REG_NOT_BEGINOFLINE) );
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if ( bSearchInSelection )
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{
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aSel = GetSelection();
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aSel.Justify();
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}
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TextSelection aSearchSel( aSel );
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sal_Bool bFound = pTextEngine->Search( aSel, rSearchOptions, sal_True );
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if ( bFound )
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pTextEngine->UndoActionStart();
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while ( bFound )
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{
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nFound++;
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TextPaM aNewStart = pTextEngine->ImpInsertText( aSel, rSearchOptions.replaceString );
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aSel = aSearchSel;
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aSel.GetStart() = aNewStart;
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bFound = pTextEngine->Search( aSel, rSearchOptions, sal_True );
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}
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if ( nFound )
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{
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SetSelection( aSel.GetStart() );
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pTextEngine->FormatAndUpdate( this );
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pTextEngine->UndoActionEnd();
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}
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}
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return nFound;
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}
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sal_Bool ExtTextView::ImpIndentBlock( sal_Bool bRight )
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{
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sal_Bool bDone = sal_False;
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TextSelection aSel = GetSelection();
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aSel.Justify();
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HideSelection();
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GetTextEngine()->UndoActionStart();
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sal_uLong nStartPara = aSel.GetStart().GetPara();
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sal_uLong nEndPara = aSel.GetEnd().GetPara();
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if ( aSel.HasRange() && !aSel.GetEnd().GetIndex() )
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{
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nEndPara--; // den dann nicht einruecken...
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}
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for ( sal_uLong nPara = nStartPara; nPara <= nEndPara; nPara++ )
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{
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if ( bRight )
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{
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// Tabs hinzufuegen
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GetTextEngine()->ImpInsertText( TextPaM( nPara, 0 ), '\t' );
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bDone = sal_True;
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}
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else
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{
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// Tabs/Blanks entfernen
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String aText = GetTextEngine()->GetText( nPara );
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if ( aText.Len() && (
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( aText.GetChar( 0 ) == '\t' ) ||
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( aText.GetChar( 0 ) == ' ' ) ) )
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{
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GetTextEngine()->ImpDeleteText( TextSelection( TextPaM( nPara, 0 ), TextPaM( nPara, 1 ) ) );
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bDone = sal_True;
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}
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}
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}
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GetTextEngine()->UndoActionEnd();
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sal_Bool bRange = aSel.HasRange();
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if ( bRight )
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{
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aSel.GetStart().GetIndex()++;
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if ( bRange && ( aSel.GetEnd().GetPara() == nEndPara ) )
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aSel.GetEnd().GetIndex()++;
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}
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else
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{
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if ( aSel.GetStart().GetIndex() )
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aSel.GetStart().GetIndex()--;
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if ( bRange && aSel.GetEnd().GetIndex() )
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aSel.GetEnd().GetIndex()--;
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}
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ImpSetSelection( aSel );
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GetTextEngine()->FormatAndUpdate( this );
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return bDone;
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}
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sal_Bool ExtTextView::IndentBlock()
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{
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return ImpIndentBlock( sal_True );
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}
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sal_Bool ExtTextView::UnindentBlock()
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{
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return ImpIndentBlock( sal_False );
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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