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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: ProcessorExsltFunction.java 468640 2006-10-28 06:53:53Z 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.processor;<a name="line.21"></a> |
| <FONT color="green">022</FONT> <a name="line.22"></a> |
| <FONT color="green">023</FONT> import org.apache.xalan.templates.ElemApplyImport;<a name="line.23"></a> |
| <FONT color="green">024</FONT> import org.apache.xalan.templates.ElemApplyTemplates;<a name="line.24"></a> |
| <FONT color="green">025</FONT> import org.apache.xalan.templates.ElemAttribute;<a name="line.25"></a> |
| <FONT color="green">026</FONT> import org.apache.xalan.templates.ElemCallTemplate;<a name="line.26"></a> |
| <FONT color="green">027</FONT> import org.apache.xalan.templates.ElemComment;<a name="line.27"></a> |
| <FONT color="green">028</FONT> import org.apache.xalan.templates.ElemCopy;<a name="line.28"></a> |
| <FONT color="green">029</FONT> import org.apache.xalan.templates.ElemCopyOf;<a name="line.29"></a> |
| <FONT color="green">030</FONT> import org.apache.xalan.templates.ElemElement;<a name="line.30"></a> |
| <FONT color="green">031</FONT> import org.apache.xalan.templates.ElemExsltFuncResult;<a name="line.31"></a> |
| <FONT color="green">032</FONT> import org.apache.xalan.templates.ElemExsltFunction;<a name="line.32"></a> |
| <FONT color="green">033</FONT> import org.apache.xalan.templates.ElemFallback;<a name="line.33"></a> |
| <FONT color="green">034</FONT> import org.apache.xalan.templates.ElemLiteralResult;<a name="line.34"></a> |
| <FONT color="green">035</FONT> import org.apache.xalan.templates.ElemMessage;<a name="line.35"></a> |
| <FONT color="green">036</FONT> import org.apache.xalan.templates.ElemNumber;<a name="line.36"></a> |
| <FONT color="green">037</FONT> import org.apache.xalan.templates.ElemPI;<a name="line.37"></a> |
| <FONT color="green">038</FONT> import org.apache.xalan.templates.ElemParam;<a name="line.38"></a> |
| <FONT color="green">039</FONT> import org.apache.xalan.templates.ElemTemplate;<a name="line.39"></a> |
| <FONT color="green">040</FONT> import org.apache.xalan.templates.ElemTemplateElement;<a name="line.40"></a> |
| <FONT color="green">041</FONT> import org.apache.xalan.templates.ElemText;<a name="line.41"></a> |
| <FONT color="green">042</FONT> import org.apache.xalan.templates.ElemTextLiteral;<a name="line.42"></a> |
| <FONT color="green">043</FONT> import org.apache.xalan.templates.ElemValueOf;<a name="line.43"></a> |
| <FONT color="green">044</FONT> import org.apache.xalan.templates.ElemVariable;<a name="line.44"></a> |
| <FONT color="green">045</FONT> import org.apache.xalan.templates.Stylesheet;<a name="line.45"></a> |
| <FONT color="green">046</FONT> import org.xml.sax.Attributes;<a name="line.46"></a> |
| <FONT color="green">047</FONT> import org.xml.sax.SAXException;<a name="line.47"></a> |
| <FONT color="green">048</FONT> <a name="line.48"></a> |
| <FONT color="green">049</FONT> <a name="line.49"></a> |
| <FONT color="green">050</FONT> /**<a name="line.50"></a> |
| <FONT color="green">051</FONT> * This class processes parse events for an exslt func:function element.<a name="line.51"></a> |
| <FONT color="green">052</FONT> * @xsl.usage internal<a name="line.52"></a> |
| <FONT color="green">053</FONT> */<a name="line.53"></a> |
| <FONT color="green">054</FONT> public class ProcessorExsltFunction extends ProcessorTemplateElem<a name="line.54"></a> |
| <FONT color="green">055</FONT> {<a name="line.55"></a> |
| <FONT color="green">056</FONT> static final long serialVersionUID = 2411427965578315332L;<a name="line.56"></a> |
| <FONT color="green">057</FONT> /**<a name="line.57"></a> |
| <FONT color="green">058</FONT> * Start an ElemExsltFunction. Verify that it is top level and that it has a name attribute with a<a name="line.58"></a> |
| <FONT color="green">059</FONT> * namespace.<a name="line.59"></a> |
| <FONT color="green">060</FONT> */<a name="line.60"></a> |
| <FONT color="green">061</FONT> public void startElement(<a name="line.61"></a> |
| <FONT color="green">062</FONT> StylesheetHandler handler, String uri, String localName, String rawName, Attributes attributes)<a name="line.62"></a> |
| <FONT color="green">063</FONT> throws SAXException<a name="line.63"></a> |
| <FONT color="green">064</FONT> {<a name="line.64"></a> |
| <FONT color="green">065</FONT> //System.out.println("ProcessorFunction.startElement()");<a name="line.65"></a> |
| <FONT color="green">066</FONT> String msg = "";<a name="line.66"></a> |
| <FONT color="green">067</FONT> if (!(handler.getElemTemplateElement() instanceof Stylesheet))<a name="line.67"></a> |
| <FONT color="green">068</FONT> {<a name="line.68"></a> |
| <FONT color="green">069</FONT> msg = "func:function element must be top level.";<a name="line.69"></a> |
| <FONT color="green">070</FONT> handler.error(msg, new SAXException(msg));<a name="line.70"></a> |
| <FONT color="green">071</FONT> }<a name="line.71"></a> |
| <FONT color="green">072</FONT> super.startElement(handler, uri, localName, rawName, attributes);<a name="line.72"></a> |
| <FONT color="green">073</FONT> <a name="line.73"></a> |
| <FONT color="green">074</FONT> String val = attributes.getValue("name");<a name="line.74"></a> |
| <FONT color="green">075</FONT> int indexOfColon = val.indexOf(":");<a name="line.75"></a> |
| <FONT color="green">076</FONT> if (indexOfColon > 0)<a name="line.76"></a> |
| <FONT color="green">077</FONT> {<a name="line.77"></a> |
| <FONT color="green">078</FONT> //String prefix = val.substring(0, indexOfColon);<a name="line.78"></a> |
| <FONT color="green">079</FONT> //String localVal = val.substring(indexOfColon + 1);<a name="line.79"></a> |
| <FONT color="green">080</FONT> //String ns = handler.getNamespaceSupport().getURI(prefix);<a name="line.80"></a> |
| <FONT color="green">081</FONT> //if (ns.length() > 0)<a name="line.81"></a> |
| <FONT color="green">082</FONT> // System.out.println("fullfuncname " + ns + localVal);<a name="line.82"></a> |
| <FONT color="green">083</FONT> }<a name="line.83"></a> |
| <FONT color="green">084</FONT> else<a name="line.84"></a> |
| <FONT color="green">085</FONT> {<a name="line.85"></a> |
| <FONT color="green">086</FONT> msg = "func:function name must have namespace";<a name="line.86"></a> |
| <FONT color="green">087</FONT> handler.error(msg, new SAXException(msg));<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> /**<a name="line.91"></a> |
| <FONT color="green">092</FONT> * Must include; super doesn't suffice!<a name="line.92"></a> |
| <FONT color="green">093</FONT> */<a name="line.93"></a> |
| <FONT color="green">094</FONT> protected void appendAndPush(<a name="line.94"></a> |
| <FONT color="green">095</FONT> StylesheetHandler handler, ElemTemplateElement elem)<a name="line.95"></a> |
| <FONT color="green">096</FONT> throws SAXException<a name="line.96"></a> |
| <FONT color="green">097</FONT> {<a name="line.97"></a> |
| <FONT color="green">098</FONT> //System.out.println("ProcessorFunction appendAndPush()" + elem);<a name="line.98"></a> |
| <FONT color="green">099</FONT> super.appendAndPush(handler, elem);<a name="line.99"></a> |
| <FONT color="green">100</FONT> //System.out.println("originating node " + handler.getOriginatingNode());<a name="line.100"></a> |
| <FONT color="green">101</FONT> elem.setDOMBackPointer(handler.getOriginatingNode());<a name="line.101"></a> |
| <FONT color="green">102</FONT> handler.getStylesheet().setTemplate((ElemTemplate) elem);<a name="line.102"></a> |
| <FONT color="green">103</FONT> }<a name="line.103"></a> |
| <FONT color="green">104</FONT> <a name="line.104"></a> |
| <FONT color="green">105</FONT> /**<a name="line.105"></a> |
| <FONT color="green">106</FONT> * End an ElemExsltFunction, and verify its validity.<a name="line.106"></a> |
| <FONT color="green">107</FONT> */<a name="line.107"></a> |
| <FONT color="green">108</FONT> public void endElement(<a name="line.108"></a> |
| <FONT color="green">109</FONT> StylesheetHandler handler, String uri, String localName, String rawName)<a name="line.109"></a> |
| <FONT color="green">110</FONT> throws SAXException<a name="line.110"></a> |
| <FONT color="green">111</FONT> {<a name="line.111"></a> |
| <FONT color="green">112</FONT> ElemTemplateElement function = handler.getElemTemplateElement();<a name="line.112"></a> |
| <FONT color="green">113</FONT> validate(function, handler); // may throw exception<a name="line.113"></a> |
| <FONT color="green">114</FONT> super.endElement(handler, uri, localName, rawName); <a name="line.114"></a> |
| <FONT color="green">115</FONT> }<a name="line.115"></a> |
| <FONT color="green">116</FONT> <a name="line.116"></a> |
| <FONT color="green">117</FONT> /**<a name="line.117"></a> |
| <FONT color="green">118</FONT> * Non-recursive traversal of FunctionElement tree based on TreeWalker to verify that<a name="line.118"></a> |
| <FONT color="green">119</FONT> * there are no literal result elements except within a func:result element and that<a name="line.119"></a> |
| <FONT color="green">120</FONT> * the func:result element does not contain any following siblings except xsl:fallback.<a name="line.120"></a> |
| <FONT color="green">121</FONT> */<a name="line.121"></a> |
| <FONT color="green">122</FONT> public void validate(ElemTemplateElement elem, StylesheetHandler handler)<a name="line.122"></a> |
| <FONT color="green">123</FONT> throws SAXException<a name="line.123"></a> |
| <FONT color="green">124</FONT> {<a name="line.124"></a> |
| <FONT color="green">125</FONT> String msg = "";<a name="line.125"></a> |
| <FONT color="green">126</FONT> while (elem != null)<a name="line.126"></a> |
| <FONT color="green">127</FONT> { <a name="line.127"></a> |
| <FONT color="green">128</FONT> //System.out.println("elem " + elem);<a name="line.128"></a> |
| <FONT color="green">129</FONT> if (elem instanceof ElemExsltFuncResult <a name="line.129"></a> |
| <FONT color="green">130</FONT> && elem.getNextSiblingElem() != null <a name="line.130"></a> |
| <FONT color="green">131</FONT> && !(elem.getNextSiblingElem() instanceof ElemFallback))<a name="line.131"></a> |
| <FONT color="green">132</FONT> {<a name="line.132"></a> |
| <FONT color="green">133</FONT> msg = "func:result has an illegal following sibling (only xsl:fallback allowed)";<a name="line.133"></a> |
| <FONT color="green">134</FONT> handler.error(msg, new SAXException(msg));<a name="line.134"></a> |
| <FONT color="green">135</FONT> }<a name="line.135"></a> |
| <FONT color="green">136</FONT> <a name="line.136"></a> |
| <FONT color="green">137</FONT> if((elem instanceof ElemApplyImport<a name="line.137"></a> |
| <FONT color="green">138</FONT> || elem instanceof ElemApplyTemplates<a name="line.138"></a> |
| <FONT color="green">139</FONT> || elem instanceof ElemAttribute<a name="line.139"></a> |
| <FONT color="green">140</FONT> || elem instanceof ElemCallTemplate<a name="line.140"></a> |
| <FONT color="green">141</FONT> || elem instanceof ElemComment<a name="line.141"></a> |
| <FONT color="green">142</FONT> || elem instanceof ElemCopy<a name="line.142"></a> |
| <FONT color="green">143</FONT> || elem instanceof ElemCopyOf<a name="line.143"></a> |
| <FONT color="green">144</FONT> || elem instanceof ElemElement<a name="line.144"></a> |
| <FONT color="green">145</FONT> || elem instanceof ElemLiteralResult<a name="line.145"></a> |
| <FONT color="green">146</FONT> || elem instanceof ElemNumber<a name="line.146"></a> |
| <FONT color="green">147</FONT> || elem instanceof ElemPI<a name="line.147"></a> |
| <FONT color="green">148</FONT> || elem instanceof ElemText<a name="line.148"></a> |
| <FONT color="green">149</FONT> || elem instanceof ElemTextLiteral<a name="line.149"></a> |
| <FONT color="green">150</FONT> || elem instanceof ElemValueOf)<a name="line.150"></a> |
| <FONT color="green">151</FONT> && !(ancestorIsOk(elem)))<a name="line.151"></a> |
| <FONT color="green">152</FONT> {<a name="line.152"></a> |
| <FONT color="green">153</FONT> msg ="misplaced literal result in a func:function container.";<a name="line.153"></a> |
| <FONT color="green">154</FONT> handler.error(msg, new SAXException(msg));<a name="line.154"></a> |
| <FONT color="green">155</FONT> }<a name="line.155"></a> |
| <FONT color="green">156</FONT> ElemTemplateElement nextElem = elem.getFirstChildElem();<a name="line.156"></a> |
| <FONT color="green">157</FONT> while (nextElem == null)<a name="line.157"></a> |
| <FONT color="green">158</FONT> {<a name="line.158"></a> |
| <FONT color="green">159</FONT> nextElem = elem.getNextSiblingElem();<a name="line.159"></a> |
| <FONT color="green">160</FONT> if (nextElem == null)<a name="line.160"></a> |
| <FONT color="green">161</FONT> elem = elem.getParentElem();<a name="line.161"></a> |
| <FONT color="green">162</FONT> if (elem == null || elem instanceof ElemExsltFunction)<a name="line.162"></a> |
| <FONT color="green">163</FONT> return; // ok<a name="line.163"></a> |
| <FONT color="green">164</FONT> } <a name="line.164"></a> |
| <FONT color="green">165</FONT> elem = nextElem;<a name="line.165"></a> |
| <FONT color="green">166</FONT> }<a name="line.166"></a> |
| <FONT color="green">167</FONT> }<a name="line.167"></a> |
| <FONT color="green">168</FONT> <a name="line.168"></a> |
| <FONT color="green">169</FONT> /**<a name="line.169"></a> |
| <FONT color="green">170</FONT> * Verify that a literal result belongs to a result element, a variable, <a name="line.170"></a> |
| <FONT color="green">171</FONT> * or a parameter.<a name="line.171"></a> |
| <FONT color="green">172</FONT> */<a name="line.172"></a> |
| <FONT color="green">173</FONT> <a name="line.173"></a> |
| <FONT color="green">174</FONT> boolean ancestorIsOk(ElemTemplateElement child)<a name="line.174"></a> |
| <FONT color="green">175</FONT> {<a name="line.175"></a> |
| <FONT color="green">176</FONT> while (child.getParentElem() != null && !(child.getParentElem() instanceof ElemExsltFunction))<a name="line.176"></a> |
| <FONT color="green">177</FONT> {<a name="line.177"></a> |
| <FONT color="green">178</FONT> ElemTemplateElement parent = child.getParentElem();<a name="line.178"></a> |
| <FONT color="green">179</FONT> if (parent instanceof ElemExsltFuncResult <a name="line.179"></a> |
| <FONT color="green">180</FONT> || parent instanceof ElemVariable<a name="line.180"></a> |
| <FONT color="green">181</FONT> || parent instanceof ElemParam<a name="line.181"></a> |
| <FONT color="green">182</FONT> || parent instanceof ElemMessage)<a name="line.182"></a> |
| <FONT color="green">183</FONT> return true;<a name="line.183"></a> |
| <FONT color="green">184</FONT> child = parent; <a name="line.184"></a> |
| <FONT color="green">185</FONT> }<a name="line.185"></a> |
| <FONT color="green">186</FONT> return false;<a name="line.186"></a> |
| <FONT color="green">187</FONT> }<a name="line.187"></a> |
| <FONT color="green">188</FONT> <a name="line.188"></a> |
| <FONT color="green">189</FONT> }<a name="line.189"></a> |
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