1/*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the  "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
9 *
10 *     http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18/*
19 * $Id: ElemVariablePsuedo.java 468643 2006-10-28 06:56:03Z minchau $
20 */
21package org.apache.xalan.templates;
22
23import javax.xml.transform.TransformerException;
24
25import org.apache.xalan.transformer.TransformerImpl;
26import org.apache.xpath.XPath;
27
28public class ElemVariablePsuedo extends ElemVariable
29{
30    static final long serialVersionUID = 692295692732588486L;
31  XUnresolvedVariableSimple m_lazyVar;
32
33  /**
34   * Set the "select" attribute.
35   * If the variable-binding element has a select attribute,
36   * then the value of the attribute must be an expression and
37   * the value of the variable is the object that results from
38   * evaluating the expression. In this case, the content
39   * of the variable must be empty.
40   *
41   * @param v Value to set for the "select" attribute.
42   */
43  public void setSelect(XPath v)
44  {
45    super.setSelect(v);
46    m_lazyVar = new XUnresolvedVariableSimple(this);
47  }
48
49  /**
50   * Execute a variable declaration and push it onto the variable stack.
51   * @see <a href="http://www.w3.org/TR/xslt#variables">variables in XSLT Specification</a>
52   *
53   * @param transformer non-null reference to the the current transform-time state.
54   *
55   * @throws TransformerException
56   */
57  public void execute(TransformerImpl transformer) throws TransformerException
58  {
59
60    // if (TransformerImpl.S_DEBUG)
61    //  transformer.getTraceManager().fireTraceEvent(this);
62
63    // transformer.getXPathContext().getVarStack().pushVariable(m_qname, var);
64    transformer.getXPathContext().getVarStack().setLocalVariable(m_index, m_lazyVar);
65  }
66
67}
68
69