/**
* Copyright 2015 Santhosh Kumar Tekuri
*
* The JLibs authors license this file to you under the Apache License,
* version 2.0 (the "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*/
package jlibs.xml.xsd;
import jlibs.core.graph.Navigator;
import jlibs.core.graph.Sequence;
import jlibs.core.graph.sequences.ConcatSequence;
import jlibs.core.graph.sequences.DuplicateSequence;
import jlibs.core.graph.sequences.EmptySequence;
import jlibs.core.graph.visitors.ReflectionVisitor;
import jlibs.xml.xsd.sequences.XSNamedMapSequence;
import jlibs.xml.xsd.sequences.XSNamespaceItemListSequence;
import jlibs.xml.xsd.sequences.XSObjectListSequence;
import org.apache.xerces.xs.*;
import static org.apache.xerces.xs.XSConstants.ELEMENT_DECLARATION;
/**
* @author Santhosh Kumar T
*/
public class XSNavigator extends ReflectionVisitor<Object, Sequence> implements Navigator{
@Override
public Sequence children(Object elem){
return visit(elem);
}
@Override
protected Sequence getDefault(Object elem){
return EmptySequence.getInstance();
}
protected Sequence<XSNamespaceItem> process(XSModel model){
return new XSNamespaceItemListSequence(model.getNamespaceItems());
}
protected Sequence<XSElementDeclaration> process(XSNamespaceItem nsItem){
return new XSNamedMapSequence<XSElementDeclaration>(nsItem.getComponents(ELEMENT_DECLARATION));
}
protected Sequence<XSTypeDefinition> process(XSElementDeclaration elem){
return new DuplicateSequence<XSTypeDefinition>(elem.getTypeDefinition());
}
@SuppressWarnings("unchecked")
protected Sequence<XSObject> process(XSComplexTypeDefinition complexType){
Sequence<XSObject> sequence = new XSObjectListSequence<XSObject>(complexType.getAttributeUses());
if(complexType.getAttributeWildcard()!=null)
sequence = new ConcatSequence<XSObject>(sequence, new DuplicateSequence<XSObject>(complexType.getAttributeWildcard()));
if(complexType.getParticle()!=null) // simple content
sequence = new ConcatSequence<XSObject>(sequence, new DuplicateSequence<XSParticle>(complexType.getParticle()));
return sequence;
}
protected Sequence<XSTerm> process(XSParticle particle){
return new DuplicateSequence<XSTerm>(particle.getTerm());
}
protected Sequence<XSParticle> process(XSModelGroup modelGroup){
return new XSObjectListSequence<XSParticle>(modelGroup.getParticles());
}
}