210 lines
7.7 KiB
C++
210 lines
7.7 KiB
C++
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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 2008 by Sun Microsystems, Inc.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: textmarkuphelper.cxx,v $
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* $Revision: 1.2 $
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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 "precompiled_sw.hxx"
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#include <textmarkuphelper.hxx>
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#include <accportions.hxx>
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#include <vector>
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#include <algorithm>
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#include <comphelper/stlunosequence.hxx>
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#include "errhdl.hxx"
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#include <com/sun/star/text/TextMarkupType.hpp>
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#include <com/sun/star/accessibility/TextSegment.hpp>
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#include <ndtxt.hxx>
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#include <wrong.hxx>
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using namespace com::sun::star;
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// helper functions
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namespace {
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const SwWrongList* getTextMarkupList( const SwTxtNode& rTxtNode,
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const sal_Int32 nTextMarkupType )
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throw (::com::sun::star::lang::IllegalArgumentException,
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::com::sun::star::uno::RuntimeException)
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{
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const SwWrongList* pTextMarkupList( 0 );
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switch ( nTextMarkupType )
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{
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case text::TextMarkupType::SPELLCHECK:
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{
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pTextMarkupList = rTxtNode.GetWrong();
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}
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break;
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case text::TextMarkupType::GRAMMAR:
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{
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// support not implemented yet
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pTextMarkupList = 0;
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}
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break;
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case text::TextMarkupType::SMARTTAG:
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{
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// support not implemented yet
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pTextMarkupList = 0;
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}
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break;
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default:
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{
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throw lang::IllegalArgumentException();
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}
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}
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return pTextMarkupList;
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}
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}
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// implementation of calss <SwTextMarkupoHelper>
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SwTextMarkupHelper::SwTextMarkupHelper( const SwTxtNode& rTxtNode,
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const SwAccessiblePortionData& rPortionData )
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: mrTxtNode( rTxtNode ),
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mrPortionData( rPortionData )
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{
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}
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sal_Int32 SwTextMarkupHelper::getTextMarkupCount( sal_Int32 nTextMarkupType )
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throw (::com::sun::star::lang::IllegalArgumentException,
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::com::sun::star::uno::RuntimeException)
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{
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sal_Int32 nTextMarkupCount( 0 );
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const SwWrongList* pTextMarkupList =
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getTextMarkupList( mrTxtNode, nTextMarkupType );
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if ( pTextMarkupList )
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{
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nTextMarkupCount = pTextMarkupList->Count();
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}
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return nTextMarkupCount;
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}
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::com::sun::star::accessibility::TextSegment
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SwTextMarkupHelper::getTextMarkup( sal_Int32 nTextMarkupIndex,
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sal_Int32 nTextMarkupType )
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throw (::com::sun::star::lang::IndexOutOfBoundsException,
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::com::sun::star::lang::IllegalArgumentException,
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::com::sun::star::uno::RuntimeException)
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{
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if ( nTextMarkupIndex >= getTextMarkupCount( nTextMarkupType ) ||
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nTextMarkupIndex < 0 )
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{
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throw lang::IndexOutOfBoundsException();
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}
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accessibility::TextSegment aTextMarkupSegment;
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aTextMarkupSegment.SegmentStart = -1;
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aTextMarkupSegment.SegmentEnd = -1;
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const SwWrongList* pTextMarkupList =
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getTextMarkupList( mrTxtNode, nTextMarkupType );
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if ( pTextMarkupList )
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{
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const SwWrongArea* pTextMarkup =
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pTextMarkupList->GetElement( static_cast<USHORT>(nTextMarkupIndex) );
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if ( pTextMarkup )
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{
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const ::rtl::OUString rText = mrPortionData.GetAccessibleString();
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const sal_Int32 nStartPos =
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mrPortionData.GetAccessiblePosition( pTextMarkup->mnPos );
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const sal_Int32 nEndPos =
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mrPortionData.GetAccessiblePosition( pTextMarkup->mnPos + pTextMarkup->mnLen );
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aTextMarkupSegment.SegmentText = rText.copy( nStartPos, nEndPos - nStartPos );
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aTextMarkupSegment.SegmentStart = nStartPos;
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aTextMarkupSegment.SegmentEnd = nEndPos;
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}
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else
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{
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ASSERT( false,
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"<SwTextMarkupHelper::getTextMarkup(..)> - missing <SwWrongArea> instance" );
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}
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}
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return aTextMarkupSegment;
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}
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::com::sun::star::uno::Sequence< ::com::sun::star::accessibility::TextSegment >
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SwTextMarkupHelper::getTextMarkupAtIndex( sal_Int32 nCharIndex,
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sal_Int32 nTextMarkupType )
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throw (::com::sun::star::lang::IndexOutOfBoundsException,
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::com::sun::star::lang::IllegalArgumentException,
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::com::sun::star::uno::RuntimeException)
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{
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// assumption:
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// value of <nCharIndex> is in range [0..length of accessible text)
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const USHORT nCoreCharIndex = mrPortionData.GetModelPosition( nCharIndex );
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// Handling of portions with core length == 0 at the beginning of the
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// paragraph - e.g. numbering portion.
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if ( mrPortionData.GetAccessiblePosition( nCoreCharIndex ) > nCharIndex )
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{
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return uno::Sequence< accessibility::TextSegment >();
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}
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::std::vector< accessibility::TextSegment > aTmpTextMarkups;
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const SwWrongList* pTextMarkupList =
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getTextMarkupList( mrTxtNode, nTextMarkupType );
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if ( pTextMarkupList )
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{
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const ::rtl::OUString rText = mrPortionData.GetAccessibleString();
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const USHORT nTextMarkupCount = pTextMarkupList->Count();
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for ( USHORT nTextMarkupIdx = 0; nTextMarkupIdx < nTextMarkupCount; ++nTextMarkupIdx )
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{
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const SwWrongArea* pTextMarkup =
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pTextMarkupList->GetElement( static_cast<USHORT>(nTextMarkupIdx) );
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ASSERT( pTextMarkup,
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"<SwTextMarkupHelper::getTextMarkup(..)> - missing <SwWrongArea> instance" );
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if ( pTextMarkup &&
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pTextMarkup->mnPos <= nCoreCharIndex &&
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nCoreCharIndex < ( pTextMarkup->mnPos + pTextMarkup->mnLen ) )
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{
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const sal_Int32 nStartPos =
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mrPortionData.GetAccessiblePosition( pTextMarkup->mnPos );
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const sal_Int32 nEndPos =
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mrPortionData.GetAccessiblePosition( pTextMarkup->mnPos + pTextMarkup->mnLen );
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accessibility::TextSegment aTextMarkupSegment;
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aTextMarkupSegment.SegmentText = rText.copy( nStartPos, nEndPos - nStartPos );
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aTextMarkupSegment.SegmentStart = nStartPos;
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aTextMarkupSegment.SegmentEnd = nEndPos;
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aTmpTextMarkups.push_back( aTextMarkupSegment );
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}
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}
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}
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uno::Sequence< accessibility::TextSegment > aTextMarkups(
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aTmpTextMarkups.size() );
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::std::copy( aTmpTextMarkups.begin(), aTmpTextMarkups.end(),
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::comphelper::stl_begin( aTextMarkups ) );
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return aTextMarkups;
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}
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