/*
* @(#)$Id: RootGrammarState.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.reader;
import com.sun.msv.grammar.Expression;
import com.sun.msv.reader.ExpressionOwner;
import com.sun.msv.reader.SimpleState;
import com.sun.msv.reader.State;
import com.sun.msv.relaxns.verifier.IslandSchemaImpl;
import com.sun.msv.relaxns.verifier.SchemaProviderImpl;
import com.sun.msv.util.StartTagInfo;
/**
* invokes State object that parses the document element.
*
* this state is used only one when starting parsing a RELAX schema.
* For included module/grammar, different states are used.
*
* @author <a href="mailto:kohsuke.kawaguchi@eng.sun.com">Kohsuke KAWAGUCHI</a>
*/
public class RootGrammarState extends SimpleState implements ExpressionOwner
{
protected State createChildState( StartTagInfo tag ) {
if(tag.localName.equals("grammar") )
// it is a grammar.
return new GrammarState();
return null;
}
protected void endSelf()
{// wrap-up.
final RELAXNSReader reader = (RELAXNSReader)this.reader;
SchemaProviderImpl schemaProvider = new SchemaProviderImpl(reader.grammar);
reader.schemaProvider = schemaProvider;
if(!reader.controller.hadError()) {
// abort further wrap up if there was an error.
// then bind it as the final wrap-up.
if( !schemaProvider.bind(reader.controller) )
reader.controller.setErrorFlag();
// also bind top-level expression
if( reader.grammar.topLevel!=null )
// this 'if' clause is necessary when
// <topLevel> is not specified (which is an error, and already reported.)
reader.grammar.topLevel =
reader.grammar.topLevel.visit(
new IslandSchemaImpl.Binder(schemaProvider, reader.controller, reader.pool ) );
}
}
// GrammarState implements ExpressionState,
// so RootState has to implement ExpressionOwner.
public final void onEndChild(Expression exp) {}
}