/*
* @(#)$Id: AnyOtherElementExp.java 1566 2003-06-09 20:37:49Z kk122374 $
*
* 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.relaxns.grammar.relax;
import java.util.Iterator;
import java.util.StringTokenizer;
import org.iso_relax.dispatcher.ElementDecl;
import org.iso_relax.dispatcher.SchemaProvider;
import org.xml.sax.ErrorHandler;
import org.xml.sax.Locator;
import org.xml.sax.SAXException;
import org.xml.sax.SAXNotRecognizedException;
import org.xml.sax.SAXParseException;
import com.sun.msv.grammar.ChoiceNameClass;
import com.sun.msv.grammar.ElementExp;
import com.sun.msv.grammar.Expression;
import com.sun.msv.grammar.Grammar;
import com.sun.msv.grammar.NameClass;
import com.sun.msv.grammar.NamespaceNameClass;
import com.sun.msv.grammar.NotNameClass;
/**
* place holder for <anyOtherElement> of RELAX.
*
* @author <a href="mailto:kohsuke.kawaguchi@eng.sun.com">Kohsuke KAWAGUCHI</a>
*/
public class AnyOtherElementExp extends ElementExp implements ElementDecl {
public NameClass getNameClass() { return nameClass; }
public String getName() { return "anyOtherElement:"+nameClass; }
/**
* this name class matches all the namespaces that are accepted by this anyOtherElement.
* this field is set by bind method.
*/
public NameClass nameClass;
/**
* where did this reference is written in the source file.
* can be set to null (to reduce memory usage) at anytime.
*/
public transient Locator source;
public final String includeNamespace;
public final String excludeNamespace;
/**
* creates "skelton" of AnyOtherElement.
*
* pseudo content model and name class must be supplied separately.
*/
public AnyOtherElementExp( Locator loc,
String includeNamespace, String excludeNamespace ) {
// set content model to nullSet
// to make this elementExp accept absolutely nothing.
// "ignoreUndeclaredAttributes" parameter is meaningless here
// because validation of this element is performed by
// AnyOtherElementVerifier and it doesn't care about this flag.
super(Expression.nullSet,true);
this.source = loc;
this.includeNamespace = includeNamespace;
this.excludeNamespace = excludeNamespace;
if( includeNamespace==null && excludeNamespace==null )
throw new IllegalArgumentException();
if( includeNamespace!=null && excludeNamespace!=null )
throw new IllegalArgumentException();
}
/** creates pseudo content model and name class.
*
* This function is called by RELAXIslandSchema object.
* Therefore, line information is not automatically available
* when reporting error.
* Implementator should keep this in mind and manually pass Locator to reportError method.
*/
protected void wrapUp( Grammar owner, Expression pseudoContentModel, SchemaProvider provider, ErrorHandler errorHandler )
throws SAXException {
StringTokenizer st;
if( includeNamespace!=null )
st = new StringTokenizer(includeNamespace);
else
st = new StringTokenizer(excludeNamespace);
NameClass nc =null;
while(st.hasMoreTokens()) {
String uri = st.nextToken();
if(uri.equals("##local")) uri="";
if( provider.getSchemaByNamespace(uri)!=null ) {
// one cannot specify defined URI.
errorHandler.warning( new SAXParseException(
Localizer.localize( Localizer.WRN_ANYOTHER_NAMESPACE_IGNORED, uri ), source ) );
continue;
}
NamespaceNameClass nsnc = new NamespaceNameClass(uri);
if( nc==null ) nc = nsnc;
else nc = new ChoiceNameClass(nc,nsnc);
}
if( excludeNamespace!=null )
{
// in case of 'excludeNamespace',
// all defined namespace is also considered as illegal.
Iterator itr = provider.iterateNamespace();
while( itr.hasNext() )
{
NamespaceNameClass nsnc = new NamespaceNameClass( (String)itr.next() );
if( nc==null ) nc = nsnc;
else nc = new ChoiceNameClass(nc,nsnc);
}
nc = new NotNameClass(nc);
}
this.nameClass = nc;
// provide pseudo-content model.
this.contentModel =
owner.getPool().createMixed(
owner.getPool().createZeroOrMore(
owner.getPool().createChoice(this,pseudoContentModel) ) );
}
public boolean getFeature( String feature ) throws SAXNotRecognizedException {
throw new SAXNotRecognizedException(feature);
}
public Object getProperty( String property ) throws SAXNotRecognizedException {
throw new SAXNotRecognizedException(property);
}
}