01: /*
02: * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
03: *
04: * This file is part of Resin(R) Open Source
05: *
06: * Each copy or derived work must preserve the copyright notice and this
07: * notice unmodified.
08: *
09: * 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 an xsl:with-param node from the stylesheet.
37: */
38: public class XslWithParam extends XslNode {
39: private String _name;
40: private String _select;
41:
42: /**
43: * returns the tag name.
44: */
45: public String getTagName() {
46: return "xsl:with-param";
47: }
48:
49: /**
50: * Adds an attribute.
51: */
52: public void addAttribute(QName name, String value)
53: throws XslParseException {
54: if (name.getName().equals("name"))
55: _name = value;
56: else if (name.getName().equals("select"))
57: _select = value;
58: else
59: super .addAttribute(name, value);
60: }
61:
62: /**
63: * Ends the attributes.
64: */
65: public void endAttributes() throws XslParseException {
66: if (_name == null)
67: throw error(L.l("xsl:with-param needs a 'name' attribute."));
68: }
69:
70: /**
71: * Ends the element.
72: */
73: public void endElement() {
74: addVariableCount();
75: }
76:
77: /**
78: * Generates the code for the tag
79: *
80: * @param out the output writer for the generated java.
81: */
82: public void generate(JavaWriter out) throws Exception {
83: if (_select != null) {
84: out.print("_exprs[" + addExpr(_select) + "]");
85: out.println(".addVar(_xsl_arg" + _gen.getCallDepth()
86: + ", \"" + _name + "\", " + "node, env);");
87: } else {
88: String frag = "_xsl_frag_" + _gen.generateId();
89:
90: out.println("Node " + frag + ";");
91:
92: printFragmentValue(out, frag);
93:
94: out.print("_xsl_arg" + _gen.getCallDepth() + ".addVar(\"");
95: out.print(_name);
96: out.println("\", " + frag + ");");
97: }
98: }
99: }
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