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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/.
*/
#include "wordexportbase.hxx"
#include <rtl/ustring.hxx>
SmWordExportBase::SmWordExportBase( const SmNode* pIn )
: m_pTree( pIn )
{
}
SmWordExportBase::~SmWordExportBase()
{
}
void SmWordExportBase::HandleNode( const SmNode* pNode, int nLevel )
{
SAL_INFO( "starmath.wordbase", "Node: " << nLevel << " " << int( pNode->GetType()) << " " << pNode->GetNumSubNodes());
switch(pNode->GetType())
{
case NATTRIBUT:
HandleAttribute( static_cast< const SmAttributNode* >( pNode ), nLevel );
break;
case NTEXT:
HandleText(pNode,nLevel);
break;
case NVERTICAL_BRACE:
HandleVerticalBrace( static_cast< const SmVerticalBraceNode* >( pNode ), nLevel );
break;
case NBRACE:
HandleBrace( static_cast< const SmBraceNode* >( pNode ), nLevel );
break;
case NOPER:
HandleOperator( static_cast< const SmOperNode* >( pNode ), nLevel );
break;
case NUNHOR:
HandleUnaryOperation( static_cast< const SmUnHorNode* >( pNode ), nLevel );
break;
case NBINHOR:
HandleBinaryOperation( static_cast< const SmBinHorNode* >( pNode ), nLevel );
break;
case NBINVER:
HandleFractions(pNode,nLevel);
break;
case NROOT:
HandleRoot( static_cast< const SmRootNode* >( pNode ), nLevel );
break;
case NSPECIAL:
{
const SmTextNode* pText= static_cast< const SmTextNode* >( pNode );
//if the token str and the result text are the same then this
//is to be seen as text, else assume it's a mathchar
if (pText->GetText() == OUString(pText->GetToken().aText))
HandleText(pText,nLevel);
else
HandleMath(pText,nLevel);
break;
}
case NMATH:
case NMATHIDENT:
HandleMath(pNode,nLevel);
break;
case NSUBSUP:
HandleSubSupScript( static_cast< const SmSubSupNode* >( pNode ), nLevel );
break;
case NEXPRESSION:
HandleAllSubNodes( pNode, nLevel );
break;
case NTABLE:
//Root Node, PILE equivalent, i.e. vertical stack
HandleTable(pNode,nLevel);
break;
case NMATRIX:
HandleMatrix( static_cast< const SmMatrixNode* >( pNode ), nLevel );
break;
case NLINE:
{
// TODO
HandleAllSubNodes( pNode, nLevel );
}
break;
#if 0
case NALIGN:
HandleMAlign(pNode,nLevel);
break;
#endif
case NPLACE:
// explicitly do nothing, MSOffice treats that as a placeholder if item is missing
break;
case NBLANK:
HandleBlank();
break;
default:
HandleAllSubNodes( pNode, nLevel );
break;
}
}
//Root Node, PILE equivalent, i.e. vertical stack
void SmWordExportBase::HandleTable( const SmNode* pNode, int nLevel )
{
//The root of the starmath is a table, if
//we convert this them each iteration of
//conversion from starmath to Word will
//add an extra unnecessary level to the
//Word output stack which would grow
//without bound in a multi step conversion
if( nLevel || pNode->GetNumSubNodes() > 1 )
HandleVerticalStack( pNode, nLevel );
else
HandleAllSubNodes( pNode, nLevel );
}
void SmWordExportBase::HandleAllSubNodes( const SmNode* pNode, int nLevel )
{
int size = pNode->GetNumSubNodes();
for( int i = 0;
i < size;
++i )
{
// TODO remove when all types of nodes are handled properly
if( pNode->GetSubNode( i ) == NULL )
{
SAL_WARN("starmath.wordbase", "Subnode is NULL, parent node not handled properly");
continue;
}
HandleNode( pNode->GetSubNode( i ), nLevel + 1 );
}
}
void SmWordExportBase::HandleUnaryOperation( const SmUnHorNode* pNode, int nLevel )
{
// update HandleMath() when adding new items
SAL_INFO( "starmath.wordbase", "Unary: " << int( pNode->GetToken().eType ));
// Avoid MSVC warning C4065: switch statement contains 'default' but no 'case' labels
// switch( pNode->GetToken().eType )
// {
// default:
HandleAllSubNodes( pNode, nLevel );
// break;
// }
}
void SmWordExportBase::HandleBinaryOperation( const SmBinHorNode* pNode, int nLevel )
{
SAL_INFO( "starmath.wordbase", "Binary: " << int( pNode->Symbol()->GetToken().eType ));
// update HandleMath() when adding new items
switch( pNode->Symbol()->GetToken().eType )
{
case TDIVIDEBY:
return HandleFractions( pNode, nLevel, "lin" );
default:
HandleAllSubNodes( pNode, nLevel );
break;
}
}
void SmWordExportBase::HandleMath( const SmNode* pNode, int nLevel )
{
SAL_INFO( "starmath.wordbase", "Math: " << int( pNode->GetToken().eType ));
switch( pNode->GetToken().eType )
{
case TDIVIDEBY:
case TACUTE:
// these are handled elsewhere, e.g. when handling BINHOR
OSL_ASSERT( false );
default:
HandleText( pNode, nLevel );
break;
}
}
void SmWordExportBase::HandleSubSupScript( const SmSubSupNode* pNode, int nLevel )
{
// set flags to a bitfield of which sub/sup items exists
int flags = ( pNode->GetSubSup( CSUB ) != NULL ? ( 1 << CSUB ) : 0 )
| ( pNode->GetSubSup( CSUP ) != NULL ? ( 1 << CSUP ) : 0 )
| ( pNode->GetSubSup( RSUB ) != NULL ? ( 1 << RSUB ) : 0 )
| ( pNode->GetSubSup( RSUP ) != NULL ? ( 1 << RSUP ) : 0 )
| ( pNode->GetSubSup( LSUB ) != NULL ? ( 1 << LSUB ) : 0 )
| ( pNode->GetSubSup( LSUP ) != NULL ? ( 1 << LSUP ) : 0 );
HandleSubSupScriptInternal( pNode, nLevel, flags );
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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