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/******************************************************************************
*
* Copyright (C) 2002 Hugo PEREIRA <mailto: hugo.pereira@free.fr>
*
* This is free software; you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option) any later
* version.
*
* This software is distributed in the hope that it will be useful, but WITHOUT
* Any WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*
*******************************************************************************/
#include "SpellInterface.h"
#include "SpellParser.h"
#include "TexString.h"
#include "Word.h"
#include <algorithm>
namespace SpellCheck
{
//! latex conversion
class Position
{
public:
//! constructor
explicit Position( int position, const TexString::Conversion conversion ):
position_(position),
conversion_(conversion)
{}
int position_;
TexString::Conversion conversion_;
//! less than operator
bool operator < (const Position& other ) const
{ return position_ < other.position_; }
//! list
using List=QList<Position>;
};
//____________________________________________________________________________
SpellParser::SpellParser():
Counter( "SpellParser" )
{ Debug::Throw( "SpellParser::SpellParser.\n" ); }
//____________________________________________________________________________
Word::Set SpellParser::parse( const QString& constText )
{
Debug::Throw( "SpellParser::Parse.\n" );
// local copy
QString text( constText );
// check if enabled
if( !enabled_ ) return ( Word::Set() );
Position::List positions;
if( interface().filter() == SpellInterface::FilterTexWithNoAccents )
{
// apply conversions
text = TexString( text ).toTextAccents();
// build positions list
for( const auto& conversion:TexString::conversions() )
{
int position(0);
while( (position = constText.indexOf( conversion.second, position )) >= 0 )
{
positions.append( Position( position, conversion ) );
position+= conversion.second.size();
}
}
// sort positions
std::sort( positions.begin(), positions.end() );
}
// retrieve misspelled words
interface().setText( text );
Word::Set words;
forever
{
interface().nextWord();
QString word( interface().word() );
int wordPosition( interface().position() );
if( word.isEmpty() ) break;
if( interface().isWordIgnored( word ) ) continue;
// apply offset
if( interface().filter() == SpellInterface::FilterTexWithNoAccents && !positions.empty() )
{
// update position
int offset = 0;
for( const auto& position:positions )
{
if( position.position_ - offset <= wordPosition ) offset += (position.conversion_.second.size() - position.conversion_.first.size() );
else break;
}
wordPosition += offset;
// update word
for( const auto& position:positions )
{
if( position.position_ < wordPosition ) continue;
else if( position.position_ - wordPosition > word.size() ) break;
else word.replace( position.position_ - wordPosition, position.conversion_.first.size(), position.conversion_.second );
}
}
Debug::Throw() << "SpellParser::highlightParagraph - new word: " << word << " position: " << wordPosition << endl;
words.insert( Word( word, wordPosition ) );
}
return words;
}
//___________________________________________________________
bool SpellParser::setColor( const QColor& color )
{
Debug::Throw( "SpellParser::setColor.\n" );
if( color == color_ || !color.isValid() ) return false;
else {
color_ = color;
return true;
}
}
//___________________________________________________________
bool SpellParser::setFontFormat( Format::TextFormatFlags format )
{
Debug::Throw( "SpellParser::setFontFormat.\n" );
if( fontFormat_ == format ) return false;
else {
fontFormat_ = format;
return true;
}
}
}
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