/*******************************************************************************
* Copyright (c) 2007 Red Hat, Inc.
* Distributed under license by Red Hat, Inc. All rights reserved.
* This program is made available under the terms of the
* Eclipse Public License v1.0 which accompanies this distribution,
* and is available at http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Red Hat, Inc. - initial API and implementation
******************************************************************************/
package org.jboss.tools.common.el.internal.core.parser.token;
import org.jboss.tools.common.el.core.parser.Tokenizer;
import org.jboss.tools.common.el.internal.core.parser.rule.BasicStates;
/**
*
* @author V. Kabanovich
*
*/
public class EndELTokenDescription extends ConstantTokenDescription {
public static final int END_EL = 2;
public static EndELTokenDescription INSTANCE = new EndELTokenDescription();
public EndELTokenDescription () {
super("}", END_EL); //$NON-NLS-1$
}
public boolean isStart(Tokenizer tokenizer, int offset) {
if(!super.isStart(tokenizer, offset)) {
return false;
}
if(tokenizer.getState() == BasicStates.STATE_ERROR) {
return true;
}
return ParamUtil.isParamHistoryEmpty(tokenizer.getContext());
}
public boolean read(Tokenizer tokenizer, int offset) {
boolean b = super.read(tokenizer, offset);
if(b) {
ParamUtil.cleanParamHistory(tokenizer.getContext());
}
return b;
}
}