| 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 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; |
| |
| import java.io.IOException; |
| import java.io.Writer; |
| |
| /** |
| * Represents all comments... |
| * |
| * @author <a href="mailto:geirm@apache.org">Geir Magnusson Jr.</a> |
| * @version $Id$ |
| */ |
| 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(); |
| } |
| |
| cleanupParserAndTokens(); |
| |
| 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; |
| } |
| |
| } |