/**
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * See the NOTICE file distributed with this work for additional
 * information regarding copyright ownership.
 */
package org.sintef.thingml.resource.thingml.mopp;

/**
 * A representation for a range in a document where an enumeration literal (i.e.,
 * a set of static strings) is expected.
 */
public class ThingmlExpectedEnumerationTerminal extends org.sintef.thingml.resource.thingml.mopp.ThingmlAbstractExpectedElement {
	
	private org.sintef.thingml.resource.thingml.grammar.ThingmlEnumerationTerminal enumerationTerminal;
	
	public ThingmlExpectedEnumerationTerminal(org.sintef.thingml.resource.thingml.grammar.ThingmlEnumerationTerminal enumerationTerminal) {
		super(enumerationTerminal.getMetaclass());
		this.enumerationTerminal = enumerationTerminal;
	}
	
	public java.util.Set<String> getTokenNames() {
		// EnumerationTerminals are associated with multiple tokens, one for each literal
		// that was mapped to a string
		java.util.Set<String> tokenNames = new java.util.LinkedHashSet<String>();
		java.util.Map<String, String> mapping = enumerationTerminal.getLiteralMapping();
		for (String literalName : mapping.keySet()) {
			String text = mapping.get(literalName);
			if (text != null && !"".equals(text)) {
				tokenNames.add("'" + text + "'");
			}
		}
		return tokenNames;
	}
	
	public org.sintef.thingml.resource.thingml.grammar.ThingmlEnumerationTerminal getEnumerationTerminal() {
		return this.enumerationTerminal;
	}
	
	/**
	 * Returns the expected enumeration terminal.
	 */
	public org.sintef.thingml.resource.thingml.grammar.ThingmlSyntaxElement getSymtaxElement() {
		return enumerationTerminal;
	}
	
	public String toString() {
		return "EnumTerminal \"" + getEnumerationTerminal() + "\"";
	}
	
}