Files
libreoffice/sw/source/core/access/textmarkuphelper.cxx
2011-11-27 13:25:10 -06:00

227 lines
8.5 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
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#include <textmarkuphelper.hxx>
#include <accportions.hxx>
#include <vector>
#include <algorithm>
#include <comphelper/stlunosequence.hxx>
#include <com/sun/star/text/TextMarkupType.hpp>
#include <com/sun/star/accessibility/TextSegment.hpp>
#include <ndtxt.hxx>
#include <wrong.hxx>
using namespace com::sun::star;
// helper functions
namespace {
const SwWrongList* getTextMarkupList( const SwTxtNode& rTxtNode,
const sal_Int32 nTextMarkupType )
throw (::com::sun::star::lang::IllegalArgumentException,
::com::sun::star::uno::RuntimeException)
{
const SwWrongList* pTextMarkupList( 0 );
switch ( nTextMarkupType )
{
case text::TextMarkupType::SPELLCHECK:
{
pTextMarkupList = rTxtNode.GetWrong();
}
break;
case text::TextMarkupType::PROOFREADING:
{
// support not implemented yet
pTextMarkupList = 0;
}
break;
case text::TextMarkupType::SMARTTAG:
{
// support not implemented yet
pTextMarkupList = 0;
}
break;
default:
{
throw lang::IllegalArgumentException();
}
}
return pTextMarkupList;
}
}
// implementation of class <SwTextMarkupoHelper>
SwTextMarkupHelper::SwTextMarkupHelper( const SwAccessiblePortionData& rPortionData,
const SwTxtNode& rTxtNode )
: mrPortionData( rPortionData )
// #i108125#
, mpTxtNode( &rTxtNode )
, mpTextMarkupList( 0 )
{
}
// #i108125#
SwTextMarkupHelper::SwTextMarkupHelper( const SwAccessiblePortionData& rPortionData,
const SwWrongList& rTextMarkupList )
: mrPortionData( rPortionData )
, mpTxtNode( 0 )
, mpTextMarkupList( &rTextMarkupList )
{
}
sal_Int32 SwTextMarkupHelper::getTextMarkupCount( const sal_Int32 nTextMarkupType )
throw (::com::sun::star::lang::IllegalArgumentException,
::com::sun::star::uno::RuntimeException)
{
sal_Int32 nTextMarkupCount( 0 );
// #i108125#
const SwWrongList* pTextMarkupList =
mpTextMarkupList
? mpTextMarkupList
: getTextMarkupList( *mpTxtNode, nTextMarkupType );
if ( pTextMarkupList )
{
nTextMarkupCount = pTextMarkupList->Count();
}
return nTextMarkupCount;
}
::com::sun::star::accessibility::TextSegment
SwTextMarkupHelper::getTextMarkup( const sal_Int32 nTextMarkupIndex,
const sal_Int32 nTextMarkupType )
throw (::com::sun::star::lang::IndexOutOfBoundsException,
::com::sun::star::lang::IllegalArgumentException,
::com::sun::star::uno::RuntimeException)
{
if ( nTextMarkupIndex >= getTextMarkupCount( nTextMarkupType ) ||
nTextMarkupIndex < 0 )
{
throw lang::IndexOutOfBoundsException();
}
::com::sun::star::accessibility::TextSegment aTextMarkupSegment;
aTextMarkupSegment.SegmentStart = -1;
aTextMarkupSegment.SegmentEnd = -1;
// #i108125#
const SwWrongList* pTextMarkupList =
mpTextMarkupList
? mpTextMarkupList
: getTextMarkupList( *mpTxtNode, nTextMarkupType );
if ( pTextMarkupList )
{
const SwWrongArea* pTextMarkup =
pTextMarkupList->GetElement( static_cast<sal_uInt16>(nTextMarkupIndex) );
if ( pTextMarkup )
{
const ::rtl::OUString rText = mrPortionData.GetAccessibleString();
const sal_Int32 nStartPos =
mrPortionData.GetAccessiblePosition( pTextMarkup->mnPos );
const sal_Int32 nEndPos =
mrPortionData.GetAccessiblePosition( pTextMarkup->mnPos + pTextMarkup->mnLen );
aTextMarkupSegment.SegmentText = rText.copy( nStartPos, nEndPos - nStartPos );
aTextMarkupSegment.SegmentStart = nStartPos;
aTextMarkupSegment.SegmentEnd = nEndPos;
}
else
{
OSL_FAIL( "<SwTextMarkupHelper::getTextMarkup(..)> - missing <SwWrongArea> instance" );
}
}
return aTextMarkupSegment;
}
::com::sun::star::uno::Sequence< ::com::sun::star::accessibility::TextSegment >
SwTextMarkupHelper::getTextMarkupAtIndex( const sal_Int32 nCharIndex,
const sal_Int32 nTextMarkupType )
throw (::com::sun::star::lang::IndexOutOfBoundsException,
::com::sun::star::lang::IllegalArgumentException,
::com::sun::star::uno::RuntimeException)
{
// assumption:
// value of <nCharIndex> is in range [0..length of accessible text)
const sal_uInt16 nCoreCharIndex = mrPortionData.GetModelPosition( nCharIndex );
// Handling of portions with core length == 0 at the beginning of the
// paragraph - e.g. numbering portion.
if ( mrPortionData.GetAccessiblePosition( nCoreCharIndex ) > nCharIndex )
{
return uno::Sequence< ::com::sun::star::accessibility::TextSegment >();
}
// #i108125#
const SwWrongList* pTextMarkupList =
mpTextMarkupList
? mpTextMarkupList
: getTextMarkupList( *mpTxtNode, nTextMarkupType );
::std::vector< ::com::sun::star::accessibility::TextSegment > aTmpTextMarkups;
if ( pTextMarkupList )
{
const ::rtl::OUString rText = mrPortionData.GetAccessibleString();
const sal_uInt16 nTextMarkupCount = pTextMarkupList->Count();
for ( sal_uInt16 nTextMarkupIdx = 0; nTextMarkupIdx < nTextMarkupCount; ++nTextMarkupIdx )
{
const SwWrongArea* pTextMarkup =
pTextMarkupList->GetElement( static_cast<sal_uInt16>(nTextMarkupIdx) );
OSL_ENSURE( pTextMarkup,
"<SwTextMarkupHelper::getTextMarkup(..)> - missing <SwWrongArea> instance" );
if ( pTextMarkup &&
pTextMarkup->mnPos <= nCoreCharIndex &&
nCoreCharIndex < ( pTextMarkup->mnPos + pTextMarkup->mnLen ) )
{
const sal_Int32 nStartPos =
mrPortionData.GetAccessiblePosition( pTextMarkup->mnPos );
const sal_Int32 nEndPos =
mrPortionData.GetAccessiblePosition( pTextMarkup->mnPos + pTextMarkup->mnLen );
::com::sun::star::accessibility::TextSegment aTextMarkupSegment;
aTextMarkupSegment.SegmentText = rText.copy( nStartPos, nEndPos - nStartPos );
aTextMarkupSegment.SegmentStart = nStartPos;
aTextMarkupSegment.SegmentEnd = nEndPos;
aTmpTextMarkups.push_back( aTextMarkupSegment );
}
}
}
uno::Sequence< ::com::sun::star::accessibility::TextSegment > aTextMarkups(
aTmpTextMarkups.size() );
::std::copy( aTmpTextMarkups.begin(), aTmpTextMarkups.end(),
::comphelper::stl_begin( aTextMarkups ) );
return aTextMarkups;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */