/*
 * Copyright 2014 Attila Szegedi, Daniel Dekany, Jonathan Revusky
 * 
 * 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.
 */

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;
    
}
