/*
 * @(#)$Id: RELAXNGGrammar.java,v 1.1 2001/09/14 22:04:20 Bear Exp $
 *
 * 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.grammar.relaxng;

import com.sun.msv.grammar.ExpressionPool;
import com.sun.msv.grammar.trex.TREXGrammar;
import com.sun.msv.util.StringPair;
import java.util.Map;
import java.util.HashMap;

/**
 * Grammar for RELAX NG (with DTD compatibility annotation).
 * 
 * @author <a href="mailto:kohsuke.kawaguchi@eng.sun.com">Kohsuke KAWAGUCHI</a>
 */
public class RELAXNGGrammar extends TREXGrammar {

	public RELAXNGGrammar( ExpressionPool pool, TREXGrammar parentGrammar ) {
		super(pool,parentGrammar);
	}
	public RELAXNGGrammar( ExpressionPool pool )	{ super(pool); }
	public RELAXNGGrammar() { super(); }

	/**
	 * the compatibility property of the ID/IDREF feature.
	 * 
	 * This flag is set to true if this schema is compatible in terms of
	 * ID/IDREF, as defined in the spec.
	 */
	public boolean isIDcompatible = true;
	
	/**
	 * the compatibility property of the default attribute feature.
	 * 
	 * This flag is set to true if this schema is compatible in terms of
	 * the default attribute value feature, as defined in the spec.
	 * 
	 * <p>
	 * Note that the currently we don't support infoset augmentation.
	 */
	public boolean isDefaultAttributeValueCompatible = true;
	
	/**
	 * the compatibility property of the annotation feature.
	 * 
	 * This flag is set to true if this schema is compatible in terms of
	 * the annotation feature, as defined in the spec.
	 */
	public boolean isAnnotationCompatible = true;
	
	
	
/*
	/**
	 * add an entry to the default value table.
	 * 
	 * @return
	 *		<b>false</b> if the default attribute value for this element and attribute
	 *		was already specified. <b>true</b> if this is the first time.
	 */
/*	public final boolean addDefaultValue(
			String elementNamespaceURI, String elementLocalName,
			String attributeNamespaceURI, String attributeLocalName,
			String value ) {
		
		if(defaultValues==null)
			defaultValues = new HashMap();
		
		return defaultValues.put(
			new ElemAttrNamePair(elementNamespaceURI,elementLocalName,attributeNamespaceURI,attributeLocalName),
			value )==null;
	}
	
	/**
	 * checks if this grammar has any attribute default value.
	 */
/*	public final boolean hasDefaultValue() {
		return defaultValues!=null && defaultValues.size()!=0;
	}
	
	/**
	 * gets the list of defaultable attributes of the given element.
	 * 
	 * @param (namespaceURI,localName)
	 *		this pair designates the name of the element.
	 * 
	 * @return
	 *		if there is no defaultable attribute, it returns empty array.
	 *		this method never returns null.
	 */
/*	public final String[] getDefaultableAttributes( String namespaceURI, String localName ) {
		
	}
	
	// TODO: this can be implemented much efficiently, I guess.
	
	// map from NamePair (element name) to
	//		(a map from NamePair (attribute name) to attribute value)
	private Map defaultValues;
*/
/*	
	public static final int KEYTYPE_NONE	=0;
	public static final int KEYTYPE_ID		=1;
	public static final int KEYTYPE_IDREF	=2;
	
	public final int getAttributeKeyType(
			String elementNamespaceURI, String elementLocalName,
			String attributeNamespaceURI, String attributeLocalName,
			String value ) {
		
	}
	
*/
}