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Java > Open Source Codes > com > caucho > xsl > java > XslText


1 /*
2  * Copyright (c) 1998-2006 Caucho Technology -- all rights reserved
3  *
4  * This file is part of Resin(R) Open Source
5  *
6  * Each copy or derived work must preserve the copyright notice and this
7  * notice unmodified.
8  *
9  * Resin Open Source is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * Resin Open Source is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17  * of NON-INFRINGEMENT. See the GNU General Public License for more
18  * details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with Resin Open Source; if not, write to the
22  * Free SoftwareFoundation, Inc.
23  * 59 Temple Place, Suite 330
24  * Boston, MA 02111-1307 USA
25  *
26  * @author Scott Ferguson
27  */
28
29 package com.caucho.xsl.java;
30
31 import com.caucho.java.JavaWriter;
32 import com.caucho.xml.QName;
33 import com.caucho.xsl.XslParseException;
34
35 /**
36  * Represents any XSL node from the stylesheet.
37  */
38 public class XslText extends XslNode {
39   private String JavaDoc _text = "";
40   private String JavaDoc _disableOutputEscaping;
41
42   /**
43    * Adds an attribute.
44    */
45   public void addAttribute(QName name, String JavaDoc value)
46     throws XslParseException
47   {
48     if (name.getName().equals("disable-output-escaping"))
49       _disableOutputEscaping = value;
50     else
51       super.addAttribute(name, value);
52   }
53
54   /**
55    * Adds a child node.
56    */
57   public void addChild(XslNode node)
58     throws XslParseException
59   {
60     if (node == null)
61       return;
62
63     if (node instanceof TextNode) {
64       _text += ((TextNode) node).getText();
65     }
66     else
67       throw error(L.l("'{0}' is not allowed as an xsl:text child.",
68               node));
69   }
70
71   /**
72    * Generates the code for the tag
73    *
74    * @param out the output writer for the generated java.
75    */
76   public void generate(JavaWriter out)
77     throws Exception JavaDoc
78   {
79     String JavaDoc var = null;
80     
81     if ("yes".equals(_disableOutputEscaping)) {
82       var = "_xsl_out_" + _gen.generateId();
83       out.println("boolean " + var + " = out.disableEscaping(true);");
84     }
85     else if ("no".equals(_disableOutputEscaping)) {
86       var = "_xsl_out_" + _gen.generateId();
87       out.println("boolean " + var + " = out.disableEscaping(false);");
88     }
89     else if (_disableOutputEscaping != null)
90       throw error(L.l("'{0}' is an unknown value for disable-output-escaping. 'yes' and 'no' are the valid values.",
91               _disableOutputEscaping));
92       
93     
94     out.print("out.print(\"");
95     out.printJavaString(_text);
96     out.println("\");");
97
98     if (var != null)
99       out.println("out.disableEscaping(" + var + ");");
100   }
101 }
102
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