package org.apache.velocity.runtime.parser.node;
/*
* 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.
*/
import java.io.IOException;
import java.io.Writer;
import org.apache.velocity.context.InternalContextAdapter;
import org.apache.velocity.exception.MethodInvocationException;
import org.apache.velocity.exception.ParseErrorException;
import org.apache.velocity.exception.ResourceNotFoundException;
import org.apache.velocity.runtime.parser.Parser;
import org.apache.velocity.runtime.parser.Token;
/**
* Represents all comments...
*
* @author <a href="mailto:[email protected]">Geir Magnusson Jr.</a>
* @version $Id: ASTComment.java 731266 2009-01-04 15:11:20Z byron $
*/
public class ASTComment extends SimpleNode
{
private static final char[] ZILCH = "".toCharArray();
private char[] carr;
/**
* @param id
*/
public ASTComment(int id)
{
super(id);
}
/**
* @param p
* @param id
*/
public ASTComment(Parser p, int id)
{
super(p, id);
}
/**
* @see org.apache.velocity.runtime.parser.node.SimpleNode#jjtAccept(org.apache.velocity.runtime.parser.node.ParserVisitor, java.lang.Object)
*/
public Object jjtAccept(ParserVisitor visitor, Object data)
{
return visitor.visit(this, data);
}
/**
* We need to make sure we catch any of the dreaded MORE tokens.
* @param context
* @param data
* @return The data object.
*/
public Object init(InternalContextAdapter context, Object data)
{
Token t = getFirstToken();
int loc1 = t.image.indexOf("##");
int loc2 = t.image.indexOf("#*");
if (loc1 == -1 && loc2 == -1)
{
carr = ZILCH;
}
else
{
carr = t.image.substring(0, (loc1 == -1) ? loc2 : loc1).toCharArray();
}
return data;
}
/**
* @see org.apache.velocity.runtime.parser.node.SimpleNode#render(org.apache.velocity.context.InternalContextAdapter, java.io.Writer)
*/
public boolean render( InternalContextAdapter context, Writer writer)
throws IOException, MethodInvocationException, ParseErrorException, ResourceNotFoundException
{
writer.write(carr);
return true;
}
}
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