1 package org.apache.velocity.runtime.parser.node;
2
3 /*
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 import java.io.IOException;
23 import java.io.Writer;
24
25 import org.apache.velocity.context.InternalContextAdapter;
26 import org.apache.velocity.exception.TemplateInitException;
27 import org.apache.velocity.runtime.parser.Parser;
28 import org.apache.velocity.runtime.parser.Token;
29
30 /**
31 * This node holds the "Textblock" data which should not be interpreted by Velocity.
32 *
33 * Textblocks are marked in Velocity with #[[content here]]# notation. Velocity
34 * will output everything between the markers and does not attempt to parse it in any way.
35 */
36 public class ASTTextblock extends SimpleNode
37 {
38 public static final String START = "#[[";
39 public static final String END = "]]#";
40 private char[] ctext;
41
42 /**
43 * @param id
44 */
45 public ASTTextblock(int id)
46 {
47 super(id);
48 }
49
50 /**
51 * @param p
52 * @param id
53 */
54 public ASTTextblock(Parser p, int id)
55 {
56 super(p, id);
57 }
58
59 /**
60 * @see org.apache.velocity.runtime.parser.node.SimpleNode#jjtAccept(org.apache.velocity.runtime.parser.node.ParserVisitor, java.lang.Object)
61 */
62 public Object jjtAccept(ParserVisitor visitor, Object data)
63 {
64 return visitor.visit(this, data);
65 }
66
67 /**
68 * @see org.apache.velocity.runtime.parser.node.SimpleNode#init(org.apache.velocity.context.InternalContextAdapter, java.lang.Object)
69 */
70 public Object init( InternalContextAdapter context, Object data)
71 throws TemplateInitException
72 {
73 Token t = getFirstToken();
74
75 String text = t.image;
76
77 // t.image is in format: #% <string> %#
78 // we must strip away the hash tags
79 text = text.substring(START.length(), text.length() - END.length());
80
81 ctext = text.toCharArray();
82 return data;
83 }
84
85 /**
86 * @see org.apache.velocity.runtime.parser.node.SimpleNode#render(org.apache.velocity.context.InternalContextAdapter, java.io.Writer)
87 */
88 public boolean render( InternalContextAdapter context, Writer writer)
89 throws IOException
90 {
91 writer.write(ctext);
92 return true;
93 }
94 }