/*
* @(#)$Id: NGNameState.java 1601 2003-09-11 19:00:19Z kohsuke $
*
* Copyright 2001 Sun Microsystems, Inc. All Rights Reserved.
*
* This software is the proprietary information of Sun Microsystems, Inc.
* Use is subject to license terms.
*
*/
package com.sun.msv.reader.trex.ng;
import com.sun.msv.grammar.DifferenceNameClass;
import com.sun.msv.grammar.NameClass;
import com.sun.msv.grammar.NamespaceNameClass;
import com.sun.msv.reader.State;
import com.sun.msv.reader.trex.NameClassWithChildState;
import com.sun.msv.util.StartTagInfo;
/**
* parses <anyName> name class.
*
* @author <a href="mailto:kohsuke.kawaguchi@eng.sun.com">Kohsuke KAWAGUCHI</a>
*/
public abstract class NGNameState extends NameClassWithChildState {
NGNameState() {
allowNullChild = true;
}
protected State createChildState( StartTagInfo tag ) {
// <except> tag is allowed only once.
if( super.nameClass==null && tag.localName.equals("except") )
return ((RELAXNGReader)reader).getStateFactory().nsExcept(this,tag);
return null;
}
protected NameClass castNameClass( NameClass halfCastedNameClass, NameClass newChildNameClass ) {
// error check is done by the createChildState method.
return newChildNameClass;
}
/**
* performs final wrap-up and returns a fully created NameClass object
* that represents this element.
*/
protected NameClass annealNameClass( NameClass nameClass ) {
NameClass r = getMainNameClass();
if( nameClass!=null )
r = new DifferenceNameClass( r, nameClass );
return r;
}
/** this method should return the name class that is used as the base. */
protected abstract NameClass getMainNameClass();
/** Parsing state for <anyName> */
public static class AnyNameState extends NGNameState {
protected NameClass getMainNameClass() {
return NameClass.ALL;
}
}
/** Parsing state for <nsName> */
public static class NsNameState extends NGNameState {
protected NameClass getMainNameClass() {
return new NamespaceNameClass( getPropagatedNamespace() );
}
}
}