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