/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 */

package freemarker.core;

import java.util.Collection;

import freemarker.template.TemplateModel;
import freemarker.template.TemplateModelException;

/**
  * An interface that represents a local context. This is used as the abstraction for  
  * the context of a Macro invocation, a loop, or the nested block call from within 
  * a macro.
  * <a href="mailto:jon@revusky.com">Jonathan Revusky</a>
  */

public interface LocalContext {
    TemplateModel getLocalVariable(String name) throws TemplateModelException;
    Collection getLocalVariableNames() throws TemplateModelException;
    
}