/*
* @(#)$Id: RELAXIslandSchema.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.Set;
import org.iso_relax.dispatcher.ElementDecl;
import org.iso_relax.dispatcher.IslandSchema;
import org.iso_relax.dispatcher.SchemaProvider;
import org.xml.sax.ErrorHandler;
import org.xml.sax.SAXException;
import com.sun.msv.grammar.Expression;
import com.sun.msv.grammar.Grammar;
import com.sun.msv.grammar.ReferenceExp;
import com.sun.msv.grammar.relax.AttPoolClause;
import com.sun.msv.grammar.relax.ElementRules;
import com.sun.msv.grammar.relax.HedgeRules;
import com.sun.msv.grammar.relax.RELAXModule;
import com.sun.msv.relaxns.grammar.DeclImpl;
import com.sun.msv.relaxns.grammar.ExternalElementExp;
import com.sun.msv.relaxns.verifier.IslandSchemaImpl;
/**
* IslandSchema implementation for RELXA module.
*
* @author <a href="mailto:kohsuke.kawaguchi@eng.sun.com">Kohsuke KAWAGUCHI</a>
*/
public class RELAXIslandSchema extends IslandSchemaImpl
{
/** underlying RELAX module which this IslandSchema is representing */
protected final RELAXModule module;
protected Set pendingAnyOtherElements;
public RELAXIslandSchema( RELAXModule module, Set pendingAnyOtherElements ) {
this.module = module;
this.pendingAnyOtherElements = pendingAnyOtherElements;
// export elementRules as ElementDecl
ReferenceExp[] refs= module.elementRules.getAll();
for( int i=0; i<refs.length; i++ )
if( ((ElementRules)refs[i]).exported )
elementDecls.put( refs[i].name, new DeclImpl(refs[i]) );
// export hedgeRules as ElementDecl.
// each exportable hedgeRule must be of length 1,
// but it should have already checked.
refs = module.hedgeRules.getAll();
for( int i=0; i<refs.length; i++ )
if ( ((HedgeRules)refs[i]).exported )
elementDecls.put( refs[i].name, new DeclImpl(refs[i]) );
// export attPools as AttributesDecl
ExportedAttPoolGenerator expGen = new ExportedAttPoolGenerator( module.pool );
refs = module.attPools.getAll();
for( int i=0; i<refs.length; i++ )
if( ((AttPoolClause)refs[i]).exported )
attributesDecls.put( refs[i].name,
new DeclImpl( refs[i].name, expGen.create(module,refs[i].exp) ) );
}
protected Grammar getGrammar() {
return module;
}
public void bind( SchemaProvider provider, ErrorHandler handler ) throws SAXException {
{// wrap up anyOtherElements.
Expression pseudoContentModel = createChoiceOfAllExportedRules(provider);
Iterator itr = pendingAnyOtherElements.iterator();
while( itr.hasNext() )
((AnyOtherElementExp)itr.next()).wrapUp(module,pseudoContentModel,provider,handler);
pendingAnyOtherElements = null;
}
Binder binder = new Binder( provider, handler, module.pool );
bind( module.elementRules, binder );
bind( module.hedgeRules, binder );
bind( module.attPools, binder );
bind( module.tags, binder );
}
/**
* creates a choice expression of all exported rules in the given provider.
*
* this expression is used as a pseudo content model of anyOtherElement.
*/
private Expression createChoiceOfAllExportedRules( SchemaProvider provider ) {
Expression exp = Expression.nullSet;
Iterator itr = provider.iterateNamespace();
while( itr.hasNext() ) {
String namespace = (String)itr.next();
IslandSchema is = provider.getSchemaByNamespace(namespace);
ElementDecl[] rules = is.getElementDecls();
for( int j=0; j<rules.length; j++ )
exp = module.pool.createChoice(exp,
new ExternalElementExp(module.pool,namespace,rules[j].getName(),null));
}
return exp;
}
}