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| <FONT color="green">001</FONT> /*<a name="line.1"></a> |
| <FONT color="green">002</FONT> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a> |
| <FONT color="green">003</FONT> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a> |
| <FONT color="green">004</FONT> * distributed with this work for additional information<a name="line.4"></a> |
| <FONT color="green">005</FONT> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a> |
| <FONT color="green">006</FONT> * to you under the Apache License, Version 2.0 (the "License");<a name="line.6"></a> |
| <FONT color="green">007</FONT> * you may not use this file except in compliance with the License.<a name="line.7"></a> |
| <FONT color="green">008</FONT> * You may obtain a copy of the License at<a name="line.8"></a> |
| <FONT color="green">009</FONT> *<a name="line.9"></a> |
| <FONT color="green">010</FONT> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> |
| <FONT color="green">011</FONT> *<a name="line.11"></a> |
| <FONT color="green">012</FONT> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a> |
| <FONT color="green">013</FONT> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a> |
| <FONT color="green">014</FONT> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a> |
| <FONT color="green">015</FONT> * See the License for the specific language governing permissions and<a name="line.15"></a> |
| <FONT color="green">016</FONT> * limitations under the License.<a name="line.16"></a> |
| <FONT color="green">017</FONT> */<a name="line.17"></a> |
| <FONT color="green">018</FONT> /*<a name="line.18"></a> |
| <FONT color="green">019</FONT> * $Id: ElemExsltFuncResult.java 468643 2006-10-28 06:56:03Z minchau $<a name="line.19"></a> |
| <FONT color="green">020</FONT> */<a name="line.20"></a> |
| <FONT color="green">021</FONT> package org.apache.xalan.templates;<a name="line.21"></a> |
| <FONT color="green">022</FONT> <a name="line.22"></a> |
| <FONT color="green">023</FONT> import javax.xml.transform.TransformerException;<a name="line.23"></a> |
| <FONT color="green">024</FONT> <a name="line.24"></a> |
| <FONT color="green">025</FONT> import org.apache.xalan.transformer.TransformerImpl;<a name="line.25"></a> |
| <FONT color="green">026</FONT> import org.apache.xpath.XPathContext;<a name="line.26"></a> |
| <FONT color="green">027</FONT> import org.apache.xpath.objects.XObject;<a name="line.27"></a> |
| <FONT color="green">028</FONT> <a name="line.28"></a> |
| <FONT color="green">029</FONT> /**<a name="line.29"></a> |
| <FONT color="green">030</FONT> * Handles the EXSLT result element within an EXSLT function element.<a name="line.30"></a> |
| <FONT color="green">031</FONT> */<a name="line.31"></a> |
| <FONT color="green">032</FONT> public class ElemExsltFuncResult extends ElemVariable<a name="line.32"></a> |
| <FONT color="green">033</FONT> {<a name="line.33"></a> |
| <FONT color="green">034</FONT> static final long serialVersionUID = -3478311949388304563L;<a name="line.34"></a> |
| <FONT color="green">035</FONT> /*<a name="line.35"></a> |
| <FONT color="green">036</FONT> * To keep the binary compatibility put those three private global <a name="line.36"></a> |
| <FONT color="green">037</FONT> * variables back, although they are never used in this verison<a name="line.37"></a> |
| <FONT color="green">038</FONT> */<a name="line.38"></a> |
| <FONT color="green">039</FONT> // A flag indicating whether the return result is set<a name="line.39"></a> |
| <FONT color="green">040</FONT> private boolean m_isResultSet = false;<a name="line.40"></a> |
| <FONT color="green">041</FONT> <a name="line.41"></a> |
| <FONT color="green">042</FONT> // The return result<a name="line.42"></a> |
| <FONT color="green">043</FONT> private XObject m_result = null;<a name="line.43"></a> |
| <FONT color="green">044</FONT> <a name="line.44"></a> |
| <FONT color="green">045</FONT> // The frame size of the current caller<a name="line.45"></a> |
| <FONT color="green">046</FONT> private int m_callerFrameSize = 0;<a name="line.46"></a> |
| <FONT color="green">047</FONT> <a name="line.47"></a> |
| <FONT color="green">048</FONT> /**<a name="line.48"></a> |
| <FONT color="green">049</FONT> * Generate the EXSLT function return value, and assign it to the variable<a name="line.49"></a> |
| <FONT color="green">050</FONT> * index slot assigned for it in ElemExsltFunction compose().<a name="line.50"></a> |
| <FONT color="green">051</FONT> * <a name="line.51"></a> |
| <FONT color="green">052</FONT> */<a name="line.52"></a> |
| <FONT color="green">053</FONT> public void execute(TransformerImpl transformer) throws TransformerException<a name="line.53"></a> |
| <FONT color="green">054</FONT> { <a name="line.54"></a> |
| <FONT color="green">055</FONT> XPathContext context = transformer.getXPathContext();<a name="line.55"></a> |
| <FONT color="green">056</FONT> <a name="line.56"></a> |
| <FONT color="green">057</FONT> if (transformer.getDebug())<a name="line.57"></a> |
| <FONT color="green">058</FONT> transformer.getTraceManager().fireTraceEvent(this);<a name="line.58"></a> |
| <FONT color="green">059</FONT> <a name="line.59"></a> |
| <FONT color="green">060</FONT> // Verify that result has not already been set by another result<a name="line.60"></a> |
| <FONT color="green">061</FONT> // element. Recursion is allowed: intermediate results are cleared <a name="line.61"></a> |
| <FONT color="green">062</FONT> // in the owner ElemExsltFunction execute().<a name="line.62"></a> |
| <FONT color="green">063</FONT> if (transformer.currentFuncResultSeen()) {<a name="line.63"></a> |
| <FONT color="green">064</FONT> throw new TransformerException("An EXSLT function cannot set more than one result!");<a name="line.64"></a> |
| <FONT color="green">065</FONT> }<a name="line.65"></a> |
| <FONT color="green">066</FONT> <a name="line.66"></a> |
| <FONT color="green">067</FONT> int sourceNode = context.getCurrentNode();<a name="line.67"></a> |
| <FONT color="green">068</FONT> <a name="line.68"></a> |
| <FONT color="green">069</FONT> // Set the return value;<a name="line.69"></a> |
| <FONT color="green">070</FONT> XObject var = getValue(transformer, sourceNode);<a name="line.70"></a> |
| <FONT color="green">071</FONT> transformer.popCurrentFuncResult();<a name="line.71"></a> |
| <FONT color="green">072</FONT> transformer.pushCurrentFuncResult(var);<a name="line.72"></a> |
| <FONT color="green">073</FONT> <a name="line.73"></a> |
| <FONT color="green">074</FONT> if (transformer.getDebug())<a name="line.74"></a> |
| <FONT color="green">075</FONT> transformer.getTraceManager().fireTraceEndEvent(this); <a name="line.75"></a> |
| <FONT color="green">076</FONT> }<a name="line.76"></a> |
| <FONT color="green">077</FONT> <a name="line.77"></a> |
| <FONT color="green">078</FONT> /**<a name="line.78"></a> |
| <FONT color="green">079</FONT> * Get an integer representation of the element type.<a name="line.79"></a> |
| <FONT color="green">080</FONT> *<a name="line.80"></a> |
| <FONT color="green">081</FONT> * @return An integer representation of the element, defined in the<a name="line.81"></a> |
| <FONT color="green">082</FONT> * Constants class.<a name="line.82"></a> |
| <FONT color="green">083</FONT> * @see org.apache.xalan.templates.Constants<a name="line.83"></a> |
| <FONT color="green">084</FONT> */<a name="line.84"></a> |
| <FONT color="green">085</FONT> public int getXSLToken()<a name="line.85"></a> |
| <FONT color="green">086</FONT> {<a name="line.86"></a> |
| <FONT color="green">087</FONT> return Constants.EXSLT_ELEMNAME_FUNCRESULT;<a name="line.87"></a> |
| <FONT color="green">088</FONT> }<a name="line.88"></a> |
| <FONT color="green">089</FONT> <a name="line.89"></a> |
| <FONT color="green">090</FONT> /**<a name="line.90"></a> |
| <FONT color="green">091</FONT> * Return the node name, defined in the<a name="line.91"></a> |
| <FONT color="green">092</FONT> * Constants class.<a name="line.92"></a> |
| <FONT color="green">093</FONT> * @see org.apache.xalan.templates.Constants<a name="line.93"></a> |
| <FONT color="green">094</FONT> * @return The node name<a name="line.94"></a> |
| <FONT color="green">095</FONT> * <a name="line.95"></a> |
| <FONT color="green">096</FONT> */<a name="line.96"></a> |
| <FONT color="green">097</FONT> public String getNodeName()<a name="line.97"></a> |
| <FONT color="green">098</FONT> {<a name="line.98"></a> |
| <FONT color="green">099</FONT> return Constants.EXSLT_ELEMNAME_FUNCRESULT_STRING;<a name="line.99"></a> |
| <FONT color="green">100</FONT> }<a name="line.100"></a> |
| <FONT color="green">101</FONT> }<a name="line.101"></a> |
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| </PRE> |
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