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/*
* Copyright (c) 2002-2003 Jesper K. Pedersen <blackie@kde.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License version 2 as published by the Free Software Foundation.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
**/
#include "altnregexp.h"
#include "widgetfactory.h"
AltnRegExp::AltnRegExp( bool selected ) :RegExp( selected )
{
// Nothing to do
}
void AltnRegExp::addRegExp( RegExp *elm )
{
list.append( elm );
addChild( elm );
}
RegExpList AltnRegExp::children() const
{
return list;
}
bool AltnRegExp::check( ErrorMap& map, bool first, bool last )
{
bool possibleEmpty = false;
for ( RegExpListIt it(list); *it; ++it ) {
possibleEmpty = (*it)->check( map, first, last ) || possibleEmpty;
}
return possibleEmpty;
}
QDomNode AltnRegExp::toXml( QDomDocument* doc ) const
{
QDomElement top = doc->createElement( QString::fromLocal8Bit( "Alternatives" ) );
for ( RegExpListIt it(list); *it; ++it ) {
top.appendChild( (*it)->toXml( doc ) );
}
return top;
}
bool AltnRegExp::load( QDomElement top, const QString& version )
{
Q_ASSERT( top.tagName() == QString::fromLocal8Bit( "Alternatives" ) );
for ( QDomNode child = top.firstChild(); !child.isNull(); child = child.nextSibling() ) {
if ( ! child.isElement() )
continue; // User might have added a comment.
RegExp* regexp = WidgetFactory::createRegExp( child.toElement(), version );
if ( regexp == 0 )
return false;
addRegExp( regexp );
}
return true;
}
bool AltnRegExp::operator==( const RegExp& other ) const
{
// TODO: merge with ConcRegExp::operator==
if ( other.type() != type() )
return false;
const AltnRegExp& theOther = dynamic_cast<const AltnRegExp&>( other );
if ( list.count() != theOther.list.count() )
return false;
RegExpListIt it1( list );
RegExpListIt it2( theOther.list );
for ( ; *it1 && *it2 ; ) {
if ( ! (**it1 == **it2) )
return false;
++it1;
++it2;
}
return true;
}
void AltnRegExp::replacePart( CompoundRegExp* replacement )
{
for ( RegExpListIt it( list ); *it; ++it ) {
(*it)->replacePart( replacement );
}
}
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