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apache / xalan-site / baed2198e564a4221346ce9823f7f57830a0d758 / . / docs / xalan / xalan-j / apidocs / src-html / org / apache / xalan / xsltc / compiler / Parser.html
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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: Parser.java 669374 2008-06-19 03:40:41Z zongaro $<a name="line.19"></a>
<FONT color="green">020</FONT> */<a name="line.20"></a>
<FONT color="green">021</FONT> <a name="line.21"></a>
<FONT color="green">022</FONT> package org.apache.xalan.xsltc.compiler;<a name="line.22"></a>
<FONT color="green">023</FONT> <a name="line.23"></a>
<FONT color="green">024</FONT> import java.io.File;<a name="line.24"></a>
<FONT color="green">025</FONT> import java.io.IOException;<a name="line.25"></a>
<FONT color="green">026</FONT> import java.io.StringReader;<a name="line.26"></a>
<FONT color="green">027</FONT> import java.util.Dictionary;<a name="line.27"></a>
<FONT color="green">028</FONT> import java.util.Enumeration;<a name="line.28"></a>
<FONT color="green">029</FONT> import java.util.Hashtable;<a name="line.29"></a>
<FONT color="green">030</FONT> import java.util.Properties;<a name="line.30"></a>
<FONT color="green">031</FONT> import java.util.Stack;<a name="line.31"></a>
<FONT color="green">032</FONT> import java.util.StringTokenizer;<a name="line.32"></a>
<FONT color="green">033</FONT> import java.util.Vector;<a name="line.33"></a>
<FONT color="green">034</FONT> <a name="line.34"></a>
<FONT color="green">035</FONT> import java_cup.runtime.Symbol;<a name="line.35"></a>
<FONT color="green">036</FONT> import javax.xml.XMLConstants;<a name="line.36"></a>
<FONT color="green">037</FONT> import javax.xml.parsers.ParserConfigurationException;<a name="line.37"></a>
<FONT color="green">038</FONT> import javax.xml.parsers.SAXParser;<a name="line.38"></a>
<FONT color="green">039</FONT> import javax.xml.parsers.SAXParserFactory;<a name="line.39"></a>
<FONT color="green">040</FONT> <a name="line.40"></a>
<FONT color="green">041</FONT> import org.apache.xalan.xsltc.compiler.util.ErrorMsg;<a name="line.41"></a>
<FONT color="green">042</FONT> import org.apache.xalan.xsltc.compiler.util.MethodType;<a name="line.42"></a>
<FONT color="green">043</FONT> import org.apache.xalan.xsltc.compiler.util.Type;<a name="line.43"></a>
<FONT color="green">044</FONT> import org.apache.xalan.xsltc.compiler.util.TypeCheckError;<a name="line.44"></a>
<FONT color="green">045</FONT> import org.apache.xalan.xsltc.runtime.AttributeList;<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.ContentHandler;<a name="line.47"></a>
<FONT color="green">048</FONT> import org.xml.sax.InputSource;<a name="line.48"></a>
<FONT color="green">049</FONT> import org.xml.sax.Locator;<a name="line.49"></a>
<FONT color="green">050</FONT> import org.xml.sax.SAXException;<a name="line.50"></a>
<FONT color="green">051</FONT> import org.xml.sax.SAXParseException;<a name="line.51"></a>
<FONT color="green">052</FONT> import org.xml.sax.XMLReader;<a name="line.52"></a>
<FONT color="green">053</FONT> <a name="line.53"></a>
<FONT color="green">054</FONT> /**<a name="line.54"></a>
<FONT color="green">055</FONT> * @author Jacek Ambroziak<a name="line.55"></a>
<FONT color="green">056</FONT> * @author Santiago Pericas-Geertsen<a name="line.56"></a>
<FONT color="green">057</FONT> * @author G. Todd Miller<a name="line.57"></a>
<FONT color="green">058</FONT> * @author Morten Jorgensen<a name="line.58"></a>
<FONT color="green">059</FONT> * @author Erwin Bolwidt &lt;ejb@klomp.org&gt;<a name="line.59"></a>
<FONT color="green">060</FONT> */<a name="line.60"></a>
<FONT color="green">061</FONT> public class Parser implements Constants, ContentHandler {<a name="line.61"></a>
<FONT color="green">062</FONT> <a name="line.62"></a>
<FONT color="green">063</FONT> private static final String XSL = "xsl"; // standard prefix<a name="line.63"></a>
<FONT color="green">064</FONT> private static final String TRANSLET = "translet"; // extension prefix<a name="line.64"></a>
<FONT color="green">065</FONT> <a name="line.65"></a>
<FONT color="green">066</FONT> private Locator _locator = null;<a name="line.66"></a>
<FONT color="green">067</FONT> <a name="line.67"></a>
<FONT color="green">068</FONT> private XSLTC _xsltc; // Reference to the compiler object.<a name="line.68"></a>
<FONT color="green">069</FONT> private XPathParser _xpathParser; // Reference to the XPath parser.<a name="line.69"></a>
<FONT color="green">070</FONT> private Vector _errors; // Contains all compilation errors<a name="line.70"></a>
<FONT color="green">071</FONT> private Vector _warnings; // Contains all compilation errors<a name="line.71"></a>
<FONT color="green">072</FONT> <a name="line.72"></a>
<FONT color="green">073</FONT> private Hashtable _instructionClasses; // Maps instructions to classes<a name="line.73"></a>
<FONT color="green">074</FONT> private Hashtable _instructionAttrs;; // reqd and opt attrs <a name="line.74"></a>
<FONT color="green">075</FONT> private Hashtable _qNames;<a name="line.75"></a>
<FONT color="green">076</FONT> private Hashtable _namespaces;<a name="line.76"></a>
<FONT color="green">077</FONT> private QName _useAttributeSets;<a name="line.77"></a>
<FONT color="green">078</FONT> private QName _excludeResultPrefixes;<a name="line.78"></a>
<FONT color="green">079</FONT> private QName _extensionElementPrefixes;<a name="line.79"></a>
<FONT color="green">080</FONT> private Hashtable _variableScope;<a name="line.80"></a>
<FONT color="green">081</FONT> private Stylesheet _currentStylesheet;<a name="line.81"></a>
<FONT color="green">082</FONT> private SymbolTable _symbolTable; // Maps QNames to syntax-tree nodes<a name="line.82"></a>
<FONT color="green">083</FONT> private Output _output;<a name="line.83"></a>
<FONT color="green">084</FONT> private Template _template; // Reference to the template being parsed.<a name="line.84"></a>
<FONT color="green">085</FONT> <a name="line.85"></a>
<FONT color="green">086</FONT> private boolean _rootNamespaceDef; // Used for validity check<a name="line.86"></a>
<FONT color="green">087</FONT> <a name="line.87"></a>
<FONT color="green">088</FONT> private SyntaxTreeNode _root;<a name="line.88"></a>
<FONT color="green">089</FONT> <a name="line.89"></a>
<FONT color="green">090</FONT> private String _target;<a name="line.90"></a>
<FONT color="green">091</FONT> <a name="line.91"></a>
<FONT color="green">092</FONT> private int _currentImportPrecedence;<a name="line.92"></a>
<FONT color="green">093</FONT> <a name="line.93"></a>
<FONT color="green">094</FONT> public Parser(XSLTC xsltc) {<a name="line.94"></a>
<FONT color="green">095</FONT> _xsltc = xsltc;<a name="line.95"></a>
<FONT color="green">096</FONT> }<a name="line.96"></a>
<FONT color="green">097</FONT> <a name="line.97"></a>
<FONT color="green">098</FONT> public void init() {<a name="line.98"></a>
<FONT color="green">099</FONT> _qNames = new Hashtable(512);<a name="line.99"></a>
<FONT color="green">100</FONT> _namespaces = new Hashtable();<a name="line.100"></a>
<FONT color="green">101</FONT> _instructionClasses = new Hashtable();<a name="line.101"></a>
<FONT color="green">102</FONT> _instructionAttrs = new Hashtable();<a name="line.102"></a>
<FONT color="green">103</FONT> _variableScope = new Hashtable();<a name="line.103"></a>
<FONT color="green">104</FONT> _template = null;<a name="line.104"></a>
<FONT color="green">105</FONT> _errors = new Vector();<a name="line.105"></a>
<FONT color="green">106</FONT> _warnings = new Vector();<a name="line.106"></a>
<FONT color="green">107</FONT> _symbolTable = new SymbolTable();<a name="line.107"></a>
<FONT color="green">108</FONT> _xpathParser = new XPathParser(this);<a name="line.108"></a>
<FONT color="green">109</FONT> _currentStylesheet = null;<a name="line.109"></a>
<FONT color="green">110</FONT> _output = null;<a name="line.110"></a>
<FONT color="green">111</FONT> _root = null;<a name="line.111"></a>
<FONT color="green">112</FONT> _rootNamespaceDef = false;<a name="line.112"></a>
<FONT color="green">113</FONT> _currentImportPrecedence = 1;<a name="line.113"></a>
<FONT color="green">114</FONT> <a name="line.114"></a>
<FONT color="green">115</FONT> initStdClasses();<a name="line.115"></a>
<FONT color="green">116</FONT> initInstructionAttrs();<a name="line.116"></a>
<FONT color="green">117</FONT> initExtClasses();<a name="line.117"></a>
<FONT color="green">118</FONT> initSymbolTable();<a name="line.118"></a>
<FONT color="green">119</FONT> <a name="line.119"></a>
<FONT color="green">120</FONT> _useAttributeSets =<a name="line.120"></a>
<FONT color="green">121</FONT> getQName(XSLT_URI, XSL, "use-attribute-sets");<a name="line.121"></a>
<FONT color="green">122</FONT> _excludeResultPrefixes =<a name="line.122"></a>
<FONT color="green">123</FONT> getQName(XSLT_URI, XSL, "exclude-result-prefixes");<a name="line.123"></a>
<FONT color="green">124</FONT> _extensionElementPrefixes =<a name="line.124"></a>
<FONT color="green">125</FONT> getQName(XSLT_URI, XSL, "extension-element-prefixes");<a name="line.125"></a>
<FONT color="green">126</FONT> }<a name="line.126"></a>
<FONT color="green">127</FONT> <a name="line.127"></a>
<FONT color="green">128</FONT> public void setOutput(Output output) {<a name="line.128"></a>
<FONT color="green">129</FONT> if (_output != null) {<a name="line.129"></a>
<FONT color="green">130</FONT> if (_output.getImportPrecedence() &lt;= output.getImportPrecedence()) {<a name="line.130"></a>
<FONT color="green">131</FONT> String cdata = _output.getCdata();<a name="line.131"></a>
<FONT color="green">132</FONT> output.mergeOutput(_output);<a name="line.132"></a>
<FONT color="green">133</FONT> _output.disable();<a name="line.133"></a>
<FONT color="green">134</FONT> _output = output;<a name="line.134"></a>
<FONT color="green">135</FONT> }<a name="line.135"></a>
<FONT color="green">136</FONT> else {<a name="line.136"></a>
<FONT color="green">137</FONT> output.disable();<a name="line.137"></a>
<FONT color="green">138</FONT> }<a name="line.138"></a>
<FONT color="green">139</FONT> }<a name="line.139"></a>
<FONT color="green">140</FONT> else {<a name="line.140"></a>
<FONT color="green">141</FONT> _output = output;<a name="line.141"></a>
<FONT color="green">142</FONT> }<a name="line.142"></a>
<FONT color="green">143</FONT> }<a name="line.143"></a>
<FONT color="green">144</FONT> <a name="line.144"></a>
<FONT color="green">145</FONT> public Output getOutput() {<a name="line.145"></a>
<FONT color="green">146</FONT> return _output;<a name="line.146"></a>
<FONT color="green">147</FONT> }<a name="line.147"></a>
<FONT color="green">148</FONT> <a name="line.148"></a>
<FONT color="green">149</FONT> public Properties getOutputProperties() {<a name="line.149"></a>
<FONT color="green">150</FONT> return getTopLevelStylesheet().getOutputProperties();<a name="line.150"></a>
<FONT color="green">151</FONT> }<a name="line.151"></a>
<FONT color="green">152</FONT> <a name="line.152"></a>
<FONT color="green">153</FONT> public void addVariable(Variable var) {<a name="line.153"></a>
<FONT color="green">154</FONT> addVariableOrParam(var);<a name="line.154"></a>
<FONT color="green">155</FONT> }<a name="line.155"></a>
<FONT color="green">156</FONT> <a name="line.156"></a>
<FONT color="green">157</FONT> public void addParameter(Param param) {<a name="line.157"></a>
<FONT color="green">158</FONT> addVariableOrParam(param);<a name="line.158"></a>
<FONT color="green">159</FONT> }<a name="line.159"></a>
<FONT color="green">160</FONT> <a name="line.160"></a>
<FONT color="green">161</FONT> private void addVariableOrParam(VariableBase var) {<a name="line.161"></a>
<FONT color="green">162</FONT> Object existing = _variableScope.get(var.getName());<a name="line.162"></a>
<FONT color="green">163</FONT> if (existing != null) {<a name="line.163"></a>
<FONT color="green">164</FONT> if (existing instanceof Stack) {<a name="line.164"></a>
<FONT color="green">165</FONT> Stack stack = (Stack)existing;<a name="line.165"></a>
<FONT color="green">166</FONT> stack.push(var);<a name="line.166"></a>
<FONT color="green">167</FONT> }<a name="line.167"></a>
<FONT color="green">168</FONT> else if (existing instanceof VariableBase) {<a name="line.168"></a>
<FONT color="green">169</FONT> Stack stack = new Stack();<a name="line.169"></a>
<FONT color="green">170</FONT> stack.push(existing);<a name="line.170"></a>
<FONT color="green">171</FONT> stack.push(var);<a name="line.171"></a>
<FONT color="green">172</FONT> _variableScope.put(var.getName(), stack);<a name="line.172"></a>
<FONT color="green">173</FONT> }<a name="line.173"></a>
<FONT color="green">174</FONT> }<a name="line.174"></a>
<FONT color="green">175</FONT> else {<a name="line.175"></a>
<FONT color="green">176</FONT> _variableScope.put(var.getName(), var);<a name="line.176"></a>
<FONT color="green">177</FONT> }<a name="line.177"></a>
<FONT color="green">178</FONT> }<a name="line.178"></a>
<FONT color="green">179</FONT> <a name="line.179"></a>
<FONT color="green">180</FONT> public void removeVariable(QName name) {<a name="line.180"></a>
<FONT color="green">181</FONT> Object existing = _variableScope.get(name);<a name="line.181"></a>
<FONT color="green">182</FONT> if (existing instanceof Stack) {<a name="line.182"></a>
<FONT color="green">183</FONT> Stack stack = (Stack)existing;<a name="line.183"></a>
<FONT color="green">184</FONT> if (!stack.isEmpty()) stack.pop();<a name="line.184"></a>
<FONT color="green">185</FONT> if (!stack.isEmpty()) return;<a name="line.185"></a>
<FONT color="green">186</FONT> }<a name="line.186"></a>
<FONT color="green">187</FONT> _variableScope.remove(name);<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>
<FONT color="green">190</FONT> public VariableBase lookupVariable(QName name) {<a name="line.190"></a>
<FONT color="green">191</FONT> Object existing = _variableScope.get(name);<a name="line.191"></a>
<FONT color="green">192</FONT> if (existing instanceof VariableBase) {<a name="line.192"></a>
<FONT color="green">193</FONT> return((VariableBase)existing);<a name="line.193"></a>
<FONT color="green">194</FONT> }<a name="line.194"></a>
<FONT color="green">195</FONT> else if (existing instanceof Stack) {<a name="line.195"></a>
<FONT color="green">196</FONT> Stack stack = (Stack)existing;<a name="line.196"></a>
<FONT color="green">197</FONT> return((VariableBase)stack.peek());<a name="line.197"></a>
<FONT color="green">198</FONT> }<a name="line.198"></a>
<FONT color="green">199</FONT> return(null);<a name="line.199"></a>
<FONT color="green">200</FONT> }<a name="line.200"></a>
<FONT color="green">201</FONT> <a name="line.201"></a>
<FONT color="green">202</FONT> public void setXSLTC(XSLTC xsltc) {<a name="line.202"></a>
<FONT color="green">203</FONT> _xsltc = xsltc;<a name="line.203"></a>
<FONT color="green">204</FONT> }<a name="line.204"></a>
<FONT color="green">205</FONT> <a name="line.205"></a>
<FONT color="green">206</FONT> public XSLTC getXSLTC() {<a name="line.206"></a>
<FONT color="green">207</FONT> return _xsltc;<a name="line.207"></a>
<FONT color="green">208</FONT> }<a name="line.208"></a>
<FONT color="green">209</FONT> <a name="line.209"></a>
<FONT color="green">210</FONT> public int getCurrentImportPrecedence() {<a name="line.210"></a>
<FONT color="green">211</FONT> return _currentImportPrecedence;<a name="line.211"></a>
<FONT color="green">212</FONT> }<a name="line.212"></a>
<FONT color="green">213</FONT> <a name="line.213"></a>
<FONT color="green">214</FONT> public int getNextImportPrecedence() {<a name="line.214"></a>
<FONT color="green">215</FONT> return ++_currentImportPrecedence;<a name="line.215"></a>
<FONT color="green">216</FONT> }<a name="line.216"></a>
<FONT color="green">217</FONT> <a name="line.217"></a>
<FONT color="green">218</FONT> public void setCurrentStylesheet(Stylesheet stylesheet) {<a name="line.218"></a>
<FONT color="green">219</FONT> _currentStylesheet = stylesheet;<a name="line.219"></a>
<FONT color="green">220</FONT> }<a name="line.220"></a>
<FONT color="green">221</FONT> <a name="line.221"></a>
<FONT color="green">222</FONT> public Stylesheet getCurrentStylesheet() {<a name="line.222"></a>
<FONT color="green">223</FONT> return _currentStylesheet;<a name="line.223"></a>
<FONT color="green">224</FONT> }<a name="line.224"></a>
<FONT color="green">225</FONT> <a name="line.225"></a>
<FONT color="green">226</FONT> public Stylesheet getTopLevelStylesheet() {<a name="line.226"></a>
<FONT color="green">227</FONT> return _xsltc.getStylesheet();<a name="line.227"></a>
<FONT color="green">228</FONT> }<a name="line.228"></a>
<FONT color="green">229</FONT> <a name="line.229"></a>
<FONT color="green">230</FONT> public QName getQNameSafe(final String stringRep) {<a name="line.230"></a>
<FONT color="green">231</FONT> // parse and retrieve namespace<a name="line.231"></a>
<FONT color="green">232</FONT> final int colon = stringRep.lastIndexOf(':');<a name="line.232"></a>
<FONT color="green">233</FONT> if (colon != -1) {<a name="line.233"></a>
<FONT color="green">234</FONT> final String prefix = stringRep.substring(0, colon);<a name="line.234"></a>
<FONT color="green">235</FONT> final String localname = stringRep.substring(colon + 1);<a name="line.235"></a>
<FONT color="green">236</FONT> String namespace = null;<a name="line.236"></a>
<FONT color="green">237</FONT> <a name="line.237"></a>
<FONT color="green">238</FONT> // Get the namespace uri from the symbol table<a name="line.238"></a>
<FONT color="green">239</FONT> if (prefix.equals(XMLNS_PREFIX) == false) {<a name="line.239"></a>
<FONT color="green">240</FONT> namespace = _symbolTable.lookupNamespace(prefix);<a name="line.240"></a>
<FONT color="green">241</FONT> if (namespace == null) namespace = EMPTYSTRING;<a name="line.241"></a>
<FONT color="green">242</FONT> }<a name="line.242"></a>
<FONT color="green">243</FONT> return getQName(namespace, prefix, localname);<a name="line.243"></a>
<FONT color="green">244</FONT> }<a name="line.244"></a>
<FONT color="green">245</FONT> else {<a name="line.245"></a>
<FONT color="green">246</FONT> final String uri = stringRep.equals(XMLNS_PREFIX) ? null<a name="line.246"></a>
<FONT color="green">247</FONT> : _symbolTable.lookupNamespace(EMPTYSTRING);<a name="line.247"></a>
<FONT color="green">248</FONT> return getQName(uri, null, stringRep);<a name="line.248"></a>
<FONT color="green">249</FONT> }<a name="line.249"></a>
<FONT color="green">250</FONT> }<a name="line.250"></a>
<FONT color="green">251</FONT> <a name="line.251"></a>
<FONT color="green">252</FONT> public QName getQName(final String stringRep) {<a name="line.252"></a>
<FONT color="green">253</FONT> return getQName(stringRep, true, false); <a name="line.253"></a>
<FONT color="green">254</FONT> }<a name="line.254"></a>
<FONT color="green">255</FONT> <a name="line.255"></a>
<FONT color="green">256</FONT> public QName getQNameIgnoreDefaultNs(final String stringRep) {<a name="line.256"></a>
<FONT color="green">257</FONT> return getQName(stringRep, true, true);<a name="line.257"></a>
<FONT color="green">258</FONT> }<a name="line.258"></a>
<FONT color="green">259</FONT> <a name="line.259"></a>
<FONT color="green">260</FONT> public QName getQName(final String stringRep, boolean reportError) {<a name="line.260"></a>
<FONT color="green">261</FONT> return getQName(stringRep, reportError, false);<a name="line.261"></a>
<FONT color="green">262</FONT> }<a name="line.262"></a>
<FONT color="green">263</FONT> <a name="line.263"></a>
<FONT color="green">264</FONT> private QName getQName(final String stringRep, boolean reportError,<a name="line.264"></a>
<FONT color="green">265</FONT> boolean ignoreDefaultNs) <a name="line.265"></a>
<FONT color="green">266</FONT> {<a name="line.266"></a>
<FONT color="green">267</FONT> // parse and retrieve namespace<a name="line.267"></a>
<FONT color="green">268</FONT> final int colon = stringRep.lastIndexOf(':');<a name="line.268"></a>
<FONT color="green">269</FONT> if (colon != -1) {<a name="line.269"></a>
<FONT color="green">270</FONT> final String prefix = stringRep.substring(0, colon);<a name="line.270"></a>
<FONT color="green">271</FONT> final String localname = stringRep.substring(colon + 1);<a name="line.271"></a>
<FONT color="green">272</FONT> String namespace = null;<a name="line.272"></a>
<FONT color="green">273</FONT> <a name="line.273"></a>
<FONT color="green">274</FONT> // Get the namespace uri from the symbol table<a name="line.274"></a>
<FONT color="green">275</FONT> if (prefix.equals(XMLNS_PREFIX) == false) {<a name="line.275"></a>
<FONT color="green">276</FONT> namespace = _symbolTable.lookupNamespace(prefix);<a name="line.276"></a>
<FONT color="green">277</FONT> if (namespace == null &amp;&amp; reportError) {<a name="line.277"></a>
<FONT color="green">278</FONT> final int line = getLineNumber();<a name="line.278"></a>
<FONT color="green">279</FONT> ErrorMsg err = new ErrorMsg(ErrorMsg.NAMESPACE_UNDEF_ERR,<a name="line.279"></a>
<FONT color="green">280</FONT> line, prefix);<a name="line.280"></a>
<FONT color="green">281</FONT> reportError(ERROR, err);<a name="line.281"></a>
<FONT color="green">282</FONT> }<a name="line.282"></a>
<FONT color="green">283</FONT> }<a name="line.283"></a>
<FONT color="green">284</FONT> return getQName(namespace, prefix, localname);<a name="line.284"></a>
<FONT color="green">285</FONT> }<a name="line.285"></a>
<FONT color="green">286</FONT> else {<a name="line.286"></a>
<FONT color="green">287</FONT> if (stringRep.equals(XMLNS_PREFIX)) {<a name="line.287"></a>
<FONT color="green">288</FONT> ignoreDefaultNs = true;<a name="line.288"></a>
<FONT color="green">289</FONT> }<a name="line.289"></a>
<FONT color="green">290</FONT> final String defURI = ignoreDefaultNs ? null <a name="line.290"></a>
<FONT color="green">291</FONT> : _symbolTable.lookupNamespace(EMPTYSTRING);<a name="line.291"></a>
<FONT color="green">292</FONT> return getQName(defURI, null, stringRep);<a name="line.292"></a>
<FONT color="green">293</FONT> }<a name="line.293"></a>
<FONT color="green">294</FONT> }<a name="line.294"></a>
<FONT color="green">295</FONT> <a name="line.295"></a>
<FONT color="green">296</FONT> public QName getQName(String namespace, String prefix, String localname) {<a name="line.296"></a>
<FONT color="green">297</FONT> if (namespace == null || namespace.equals(EMPTYSTRING)) {<a name="line.297"></a>
<FONT color="green">298</FONT> QName name = (QName)_qNames.get(localname);<a name="line.298"></a>
<FONT color="green">299</FONT> if (name == null) {<a name="line.299"></a>
<FONT color="green">300</FONT> name = new QName(null, prefix, localname);<a name="line.300"></a>
<FONT color="green">301</FONT> _qNames.put(localname, name);<a name="line.301"></a>
<FONT color="green">302</FONT> }<a name="line.302"></a>
<FONT color="green">303</FONT> return name;<a name="line.303"></a>
<FONT color="green">304</FONT> }<a name="line.304"></a>
<FONT color="green">305</FONT> else {<a name="line.305"></a>
<FONT color="green">306</FONT> Dictionary space = (Dictionary)_namespaces.get(namespace);<a name="line.306"></a>
<FONT color="green">307</FONT> String lexicalQName =<a name="line.307"></a>
<FONT color="green">308</FONT> (prefix == null || prefix.length() == 0)<a name="line.308"></a>
<FONT color="green">309</FONT> ? localname<a name="line.309"></a>
<FONT color="green">310</FONT> : (prefix + ':' + localname);<a name="line.310"></a>
<FONT color="green">311</FONT> <a name="line.311"></a>
<FONT color="green">312</FONT> if (space == null) {<a name="line.312"></a>
<FONT color="green">313</FONT> final QName name = new QName(namespace, prefix, localname);<a name="line.313"></a>
<FONT color="green">314</FONT> _namespaces.put(namespace, space = new Hashtable());<a name="line.314"></a>
<FONT color="green">315</FONT> space.put(lexicalQName, name);<a name="line.315"></a>
<FONT color="green">316</FONT> return name;<a name="line.316"></a>
<FONT color="green">317</FONT> }<a name="line.317"></a>
<FONT color="green">318</FONT> else {<a name="line.318"></a>
<FONT color="green">319</FONT> QName name = (QName)space.get(lexicalQName);<a name="line.319"></a>
<FONT color="green">320</FONT> <a name="line.320"></a>
<FONT color="green">321</FONT> if (name == null) {<a name="line.321"></a>
<FONT color="green">322</FONT> name = new QName(namespace, prefix, localname);<a name="line.322"></a>
<FONT color="green">323</FONT> space.put(lexicalQName, name);<a name="line.323"></a>
<FONT color="green">324</FONT> }<a name="line.324"></a>
<FONT color="green">325</FONT> return name;<a name="line.325"></a>
<FONT color="green">326</FONT> }<a name="line.326"></a>
<FONT color="green">327</FONT> }<a name="line.327"></a>
<FONT color="green">328</FONT> }<a name="line.328"></a>
<FONT color="green">329</FONT> <a name="line.329"></a>
<FONT color="green">330</FONT> public QName getQName(String scope, String name) {<a name="line.330"></a>
<FONT color="green">331</FONT> return getQName(scope + name);<a name="line.331"></a>
<FONT color="green">332</FONT> }<a name="line.332"></a>
<FONT color="green">333</FONT> <a name="line.333"></a>
<FONT color="green">334</FONT> public QName getQName(QName scope, QName name) {<a name="line.334"></a>
<FONT color="green">335</FONT> return getQName(scope.toString() + name.toString());<a name="line.335"></a>
<FONT color="green">336</FONT> }<a name="line.336"></a>
<FONT color="green">337</FONT> <a name="line.337"></a>
<FONT color="green">338</FONT> public QName getUseAttributeSets() {<a name="line.338"></a>
<FONT color="green">339</FONT> return _useAttributeSets;<a name="line.339"></a>
<FONT color="green">340</FONT> }<a name="line.340"></a>
<FONT color="green">341</FONT> <a name="line.341"></a>
<FONT color="green">342</FONT> public QName getExtensionElementPrefixes() {<a name="line.342"></a>
<FONT color="green">343</FONT> return _extensionElementPrefixes;<a name="line.343"></a>
<FONT color="green">344</FONT> }<a name="line.344"></a>
<FONT color="green">345</FONT> <a name="line.345"></a>
<FONT color="green">346</FONT> public QName getExcludeResultPrefixes() {<a name="line.346"></a>
<FONT color="green">347</FONT> return _excludeResultPrefixes;<a name="line.347"></a>
<FONT color="green">348</FONT> }<a name="line.348"></a>
<FONT color="green">349</FONT> <a name="line.349"></a>
<FONT color="green">350</FONT> /** <a name="line.350"></a>
<FONT color="green">351</FONT> * Create an instance of the &lt;code&gt;Stylesheet&lt;/code&gt; class,<a name="line.351"></a>
<FONT color="green">352</FONT> * and then parse, typecheck and compile the instance.<a name="line.352"></a>
<FONT color="green">353</FONT> * Must be called after &lt;code&gt;parse()&lt;/code&gt;.<a name="line.353"></a>
<FONT color="green">354</FONT> */<a name="line.354"></a>
<FONT color="green">355</FONT> public Stylesheet makeStylesheet(SyntaxTreeNode element) <a name="line.355"></a>
<FONT color="green">356</FONT> throws CompilerException {<a name="line.356"></a>
<FONT color="green">357</FONT> try {<a name="line.357"></a>
<FONT color="green">358</FONT> Stylesheet stylesheet;<a name="line.358"></a>
<FONT color="green">359</FONT> <a name="line.359"></a>
<FONT color="green">360</FONT> if (element instanceof Stylesheet) {<a name="line.360"></a>
<FONT color="green">361</FONT> stylesheet = (Stylesheet)element;<a name="line.361"></a>
<FONT color="green">362</FONT> }<a name="line.362"></a>
<FONT color="green">363</FONT> else {<a name="line.363"></a>
<FONT color="green">364</FONT> stylesheet = new Stylesheet();<a name="line.364"></a>
<FONT color="green">365</FONT> stylesheet.setSimplified();<a name="line.365"></a>
<FONT color="green">366</FONT> stylesheet.addElement(element);<a name="line.366"></a>
<FONT color="green">367</FONT> stylesheet.setAttributes((AttributeList) element.getAttributes());<a name="line.367"></a>
<FONT color="green">368</FONT> <a name="line.368"></a>
<FONT color="green">369</FONT> // Map the default NS if not already defined<a name="line.369"></a>
<FONT color="green">370</FONT> if (element.lookupNamespace(EMPTYSTRING) == null) {<a name="line.370"></a>
<FONT color="green">371</FONT> element.addPrefixMapping(EMPTYSTRING, EMPTYSTRING);<a name="line.371"></a>
<FONT color="green">372</FONT> }<a name="line.372"></a>
<FONT color="green">373</FONT> }<a name="line.373"></a>
<FONT color="green">374</FONT> stylesheet.setParser(this);<a name="line.374"></a>
<FONT color="green">375</FONT> return stylesheet;<a name="line.375"></a>
<FONT color="green">376</FONT> }<a name="line.376"></a>
<FONT color="green">377</FONT> catch (ClassCastException e) {<a name="line.377"></a>
<FONT color="green">378</FONT> ErrorMsg err = new ErrorMsg(ErrorMsg.NOT_STYLESHEET_ERR, element);<a name="line.378"></a>
<FONT color="green">379</FONT> throw new CompilerException(err.toString());<a name="line.379"></a>
<FONT color="green">380</FONT> }<a name="line.380"></a>
<FONT color="green">381</FONT> }<a name="line.381"></a>
<FONT color="green">382</FONT> <a name="line.382"></a>
<FONT color="green">383</FONT> /**<a name="line.383"></a>
<FONT color="green">384</FONT> * Instanciates a SAX2 parser and generate the AST from the input.<a name="line.384"></a>
<FONT color="green">385</FONT> */<a name="line.385"></a>
<FONT color="green">386</FONT> public void createAST(Stylesheet stylesheet) {<a name="line.386"></a>
<FONT color="green">387</FONT> try {<a name="line.387"></a>
<FONT color="green">388</FONT> if (stylesheet != null) {<a name="line.388"></a>
<FONT color="green">389</FONT> stylesheet.parseContents(this);<a name="line.389"></a>
<FONT color="green">390</FONT> final int precedence = stylesheet.getImportPrecedence();<a name="line.390"></a>
<FONT color="green">391</FONT> final Enumeration elements = stylesheet.elements();<a name="line.391"></a>
<FONT color="green">392</FONT> while (elements.hasMoreElements()) {<a name="line.392"></a>
<FONT color="green">393</FONT> Object child = elements.nextElement();<a name="line.393"></a>
<FONT color="green">394</FONT> if (child instanceof Text) {<a name="line.394"></a>
<FONT color="green">395</FONT> final int l = getLineNumber();<a name="line.395"></a>
<FONT color="green">396</FONT> ErrorMsg err =<a name="line.396"></a>
<FONT color="green">397</FONT> new ErrorMsg(ErrorMsg.ILLEGAL_TEXT_NODE_ERR,l,null);<a name="line.397"></a>
<FONT color="green">398</FONT> reportError(ERROR, err);<a name="line.398"></a>
<FONT color="green">399</FONT> }<a name="line.399"></a>
<FONT color="green">400</FONT> }<a name="line.400"></a>
<FONT color="green">401</FONT> if (!errorsFound()) {<a name="line.401"></a>
<FONT color="green">402</FONT> stylesheet.typeCheck(_symbolTable);<a name="line.402"></a>
<FONT color="green">403</FONT> }<a name="line.403"></a>
<FONT color="green">404</FONT> }<a name="line.404"></a>
<FONT color="green">405</FONT> }<a name="line.405"></a>
<FONT color="green">406</FONT> catch (TypeCheckError e) {<a name="line.406"></a>
<FONT color="green">407</FONT> reportError(ERROR, new ErrorMsg(e));<a name="line.407"></a>
<FONT color="green">408</FONT> }<a name="line.408"></a>
<FONT color="green">409</FONT> }<a name="line.409"></a>
<FONT color="green">410</FONT> <a name="line.410"></a>
<FONT color="green">411</FONT> /**<a name="line.411"></a>
<FONT color="green">412</FONT> * Parses a stylesheet and builds the internal abstract syntax tree<a name="line.412"></a>
<FONT color="green">413</FONT> * @param reader A SAX2 SAXReader (parser)<a name="line.413"></a>
<FONT color="green">414</FONT> * @param input A SAX2 InputSource can be passed to a SAX reader<a name="line.414"></a>
<FONT color="green">415</FONT> * @return The root of the abstract syntax tree<a name="line.415"></a>
<FONT color="green">416</FONT> */<a name="line.416"></a>
<FONT color="green">417</FONT> public SyntaxTreeNode parse(XMLReader reader, InputSource input) {<a name="line.417"></a>
<FONT color="green">418</FONT> try {<a name="line.418"></a>
<FONT color="green">419</FONT> // Parse the input document and build the abstract syntax tree<a name="line.419"></a>
<FONT color="green">420</FONT> reader.setContentHandler(this);<a name="line.420"></a>
<FONT color="green">421</FONT> reader.parse(input);<a name="line.421"></a>
<FONT color="green">422</FONT> // Find the start of the stylesheet within the tree<a name="line.422"></a>
<FONT color="green">423</FONT> return (SyntaxTreeNode)getStylesheet(_root); <a name="line.423"></a>
<FONT color="green">424</FONT> }<a name="line.424"></a>
<FONT color="green">425</FONT> catch (IOException e) {<a name="line.425"></a>
<FONT color="green">426</FONT> if (_xsltc.debug()) e.printStackTrace();<a name="line.426"></a>
<FONT color="green">427</FONT> reportError(ERROR,new ErrorMsg(e));<a name="line.427"></a>
<FONT color="green">428</FONT> }<a name="line.428"></a>
<FONT color="green">429</FONT> catch (SAXException e) {<a name="line.429"></a>
<FONT color="green">430</FONT> Throwable ex = e.getException();<a name="line.430"></a>
<FONT color="green">431</FONT> if (_xsltc.debug()) {<a name="line.431"></a>
<FONT color="green">432</FONT> e.printStackTrace();<a name="line.432"></a>
<FONT color="green">433</FONT> if (ex != null) ex.printStackTrace();<a name="line.433"></a>
<FONT color="green">434</FONT> }<a name="line.434"></a>
<FONT color="green">435</FONT> reportError(ERROR, new ErrorMsg(e));<a name="line.435"></a>
<FONT color="green">436</FONT> }<a name="line.436"></a>
<FONT color="green">437</FONT> catch (CompilerException e) {<a name="line.437"></a>
<FONT color="green">438</FONT> if (_xsltc.debug()) e.printStackTrace();<a name="line.438"></a>
<FONT color="green">439</FONT> reportError(ERROR, new ErrorMsg(e));<a name="line.439"></a>
<FONT color="green">440</FONT> }<a name="line.440"></a>
<FONT color="green">441</FONT> catch (Exception e) {<a name="line.441"></a>
<FONT color="green">442</FONT> if (_xsltc.debug()) e.printStackTrace();<a name="line.442"></a>
<FONT color="green">443</FONT> reportError(ERROR, new ErrorMsg(e));<a name="line.443"></a>
<FONT color="green">444</FONT> }<a name="line.444"></a>
<FONT color="green">445</FONT> return null;<a name="line.445"></a>
<FONT color="green">446</FONT> }<a name="line.446"></a>
<FONT color="green">447</FONT> <a name="line.447"></a>
<FONT color="green">448</FONT> /**<a name="line.448"></a>
<FONT color="green">449</FONT> * Parses a stylesheet and builds the internal abstract syntax tree<a name="line.449"></a>
<FONT color="green">450</FONT> * @param input A SAX2 InputSource can be passed to a SAX reader<a name="line.450"></a>
<FONT color="green">451</FONT> * @return The root of the abstract syntax tree<a name="line.451"></a>
<FONT color="green">452</FONT> */<a name="line.452"></a>
<FONT color="green">453</FONT> public SyntaxTreeNode parse(InputSource input) {<a name="line.453"></a>
<FONT color="green">454</FONT> try {<a name="line.454"></a>
<FONT color="green">455</FONT> // Create a SAX parser and get the XMLReader object it uses<a name="line.455"></a>
<FONT color="green">456</FONT> final SAXParserFactory factory = SAXParserFactory.newInstance();<a name="line.456"></a>
<FONT color="green">457</FONT> <a name="line.457"></a>
<FONT color="green">458</FONT> if (_xsltc.isSecureProcessing()) {<a name="line.458"></a>
<FONT color="green">459</FONT> try {<a name="line.459"></a>
<FONT color="green">460</FONT> factory.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true);<a name="line.460"></a>
<FONT color="green">461</FONT> }<a name="line.461"></a>
<FONT color="green">462</FONT> catch (SAXException e) {}<a name="line.462"></a>
<FONT color="green">463</FONT> }<a name="line.463"></a>
<FONT color="green">464</FONT> <a name="line.464"></a>
<FONT color="green">465</FONT> try {<a name="line.465"></a>
<FONT color="green">466</FONT> factory.setFeature(Constants.NAMESPACE_FEATURE,true);<a name="line.466"></a>
<FONT color="green">467</FONT> }<a name="line.467"></a>
<FONT color="green">468</FONT> catch (Exception e) {<a name="line.468"></a>
<FONT color="green">469</FONT> factory.setNamespaceAware(true);<a name="line.469"></a>
<FONT color="green">470</FONT> }<a name="line.470"></a>
<FONT color="green">471</FONT> final SAXParser parser = factory.newSAXParser();<a name="line.471"></a>
<FONT color="green">472</FONT> final XMLReader reader = parser.getXMLReader();<a name="line.472"></a>
<FONT color="green">473</FONT> return(parse(reader, input));<a name="line.473"></a>
<FONT color="green">474</FONT> }<a name="line.474"></a>
<FONT color="green">475</FONT> catch (ParserConfigurationException e) {<a name="line.475"></a>
<FONT color="green">476</FONT> ErrorMsg err = new ErrorMsg(ErrorMsg.SAX_PARSER_CONFIG_ERR);<a name="line.476"></a>
<FONT color="green">477</FONT> reportError(ERROR, err);<a name="line.477"></a>
<FONT color="green">478</FONT> }<a name="line.478"></a>
<FONT color="green">479</FONT> catch (SAXParseException e){<a name="line.479"></a>
<FONT color="green">480</FONT> reportError(ERROR, new ErrorMsg(e.getMessage(),e.getLineNumber()));<a name="line.480"></a>
<FONT color="green">481</FONT> }<a name="line.481"></a>
<FONT color="green">482</FONT> catch (SAXException e) {<a name="line.482"></a>
<FONT color="green">483</FONT> reportError(ERROR, new ErrorMsg(e.getMessage()));<a name="line.483"></a>
<FONT color="green">484</FONT> }<a name="line.484"></a>
<FONT color="green">485</FONT> return null;<a name="line.485"></a>
<FONT color="green">486</FONT> }<a name="line.486"></a>
<FONT color="green">487</FONT> <a name="line.487"></a>
<FONT color="green">488</FONT> public SyntaxTreeNode getDocumentRoot() {<a name="line.488"></a>
<FONT color="green">489</FONT> return _root;<a name="line.489"></a>
<FONT color="green">490</FONT> }<a name="line.490"></a>
<FONT color="green">491</FONT> <a name="line.491"></a>
<FONT color="green">492</FONT> private String _PImedia = null;<a name="line.492"></a>
<FONT color="green">493</FONT> private String _PItitle = null;<a name="line.493"></a>
<FONT color="green">494</FONT> private String _PIcharset = null;<a name="line.494"></a>
<FONT color="green">495</FONT> <a name="line.495"></a>
<FONT color="green">496</FONT> /**<a name="line.496"></a>
<FONT color="green">497</FONT> * Set the parameters to use to locate the correct &lt;?xml-stylesheet ...?&gt;<a name="line.497"></a>
<FONT color="green">498</FONT> * processing instruction in the case where the input document is an<a name="line.498"></a>
<FONT color="green">499</FONT> * XML document with one or more references to a stylesheet.<a name="line.499"></a>
<FONT color="green">500</FONT> * @param media The media attribute to be matched. May be null, in which<a name="line.500"></a>
<FONT color="green">501</FONT> * case the prefered templates will be used (i.e. alternate = no).<a name="line.501"></a>
<FONT color="green">502</FONT> * @param title The value of the title attribute to match. May be null.<a name="line.502"></a>
<FONT color="green">503</FONT> * @param charset The value of the charset attribute to match. May be null.<a name="line.503"></a>
<FONT color="green">504</FONT> */<a name="line.504"></a>
<FONT color="green">505</FONT> protected void setPIParameters(String media, String title, String charset) {<a name="line.505"></a>
<FONT color="green">506</FONT> _PImedia = media;<a name="line.506"></a>
<FONT color="green">507</FONT> _PItitle = title;<a name="line.507"></a>
<FONT color="green">508</FONT> _PIcharset = charset;<a name="line.508"></a>
<FONT color="green">509</FONT> }<a name="line.509"></a>
<FONT color="green">510</FONT> <a name="line.510"></a>
<FONT color="green">511</FONT> /**<a name="line.511"></a>
<FONT color="green">512</FONT> * Extracts the DOM for the stylesheet. In the case of an embedded<a name="line.512"></a>
<FONT color="green">513</FONT> * stylesheet, it extracts the DOM subtree corresponding to the <a name="line.513"></a>
<FONT color="green">514</FONT> * embedded stylesheet that has an 'id' attribute whose value is the<a name="line.514"></a>
<FONT color="green">515</FONT> * same as the value declared in the &lt;?xml-stylesheet...?&gt; processing <a name="line.515"></a>
<FONT color="green">516</FONT> * instruction (P.I.). In the xml-stylesheet P.I. the value is labeled<a name="line.516"></a>
<FONT color="green">517</FONT> * as the 'href' data of the P.I. The extracted DOM representing the<a name="line.517"></a>
<FONT color="green">518</FONT> * stylesheet is returned as an Element object.<a name="line.518"></a>
<FONT color="green">519</FONT> */<a name="line.519"></a>
<FONT color="green">520</FONT> private SyntaxTreeNode getStylesheet(SyntaxTreeNode root)<a name="line.520"></a>
<FONT color="green">521</FONT> throws CompilerException {<a name="line.521"></a>
<FONT color="green">522</FONT> <a name="line.522"></a>
<FONT color="green">523</FONT> // Assume that this is a pure XSL stylesheet if there is not<a name="line.523"></a>
<FONT color="green">524</FONT> // &lt;?xml-stylesheet ....?&gt; processing instruction<a name="line.524"></a>
<FONT color="green">525</FONT> if (_target == null) {<a name="line.525"></a>
<FONT color="green">526</FONT> if (!_rootNamespaceDef) {<a name="line.526"></a>
<FONT color="green">527</FONT> ErrorMsg msg = new ErrorMsg(ErrorMsg.MISSING_XSLT_URI_ERR);<a name="line.527"></a>
<FONT color="green">528</FONT> throw new CompilerException(msg.toString());<a name="line.528"></a>
<FONT color="green">529</FONT> }<a name="line.529"></a>
<FONT color="green">530</FONT> return(root);<a name="line.530"></a>
<FONT color="green">531</FONT> }<a name="line.531"></a>
<FONT color="green">532</FONT> <a name="line.532"></a>
<FONT color="green">533</FONT> // Find the xsl:stylesheet or xsl:transform with this reference<a name="line.533"></a>
<FONT color="green">534</FONT> if (_target.charAt(0) == '#') {<a name="line.534"></a>
<FONT color="green">535</FONT> SyntaxTreeNode element = findStylesheet(root, _target.substring(1));<a name="line.535"></a>
<FONT color="green">536</FONT> if (element == null) {<a name="line.536"></a>
<FONT color="green">537</FONT> ErrorMsg msg = new ErrorMsg(ErrorMsg.MISSING_XSLT_TARGET_ERR,<a name="line.537"></a>
<FONT color="green">538</FONT> _target, root);<a name="line.538"></a>
<FONT color="green">539</FONT> throw new CompilerException(msg.toString());<a name="line.539"></a>
<FONT color="green">540</FONT> }<a name="line.540"></a>
<FONT color="green">541</FONT> return(element);<a name="line.541"></a>
<FONT color="green">542</FONT> }<a name="line.542"></a>
<FONT color="green">543</FONT> else {<a name="line.543"></a>
<FONT color="green">544</FONT> return(loadExternalStylesheet(_target));<a name="line.544"></a>
<FONT color="green">545</FONT> }<a name="line.545"></a>
<FONT color="green">546</FONT> }<a name="line.546"></a>
<FONT color="green">547</FONT> <a name="line.547"></a>
<FONT color="green">548</FONT> /**<a name="line.548"></a>
<FONT color="green">549</FONT> * Find a Stylesheet element with a specific ID attribute value.<a name="line.549"></a>
<FONT color="green">550</FONT> * This method is used to find a Stylesheet node that is referred<a name="line.550"></a>
<FONT color="green">551</FONT> * in a &lt;?xml-stylesheet ... ?&gt; processing instruction.<a name="line.551"></a>
<FONT color="green">552</FONT> */<a name="line.552"></a>
<FONT color="green">553</FONT> private SyntaxTreeNode findStylesheet(SyntaxTreeNode root, String href) {<a name="line.553"></a>
<FONT color="green">554</FONT> <a name="line.554"></a>
<FONT color="green">555</FONT> if (root == null) return null;<a name="line.555"></a>
<FONT color="green">556</FONT> <a name="line.556"></a>
<FONT color="green">557</FONT> if (root instanceof Stylesheet) {<a name="line.557"></a>
<FONT color="green">558</FONT> String id = root.getAttribute("id");<a name="line.558"></a>
<FONT color="green">559</FONT> if (id.equals(href)) return root;<a name="line.559"></a>
<FONT color="green">560</FONT> }<a name="line.560"></a>
<FONT color="green">561</FONT> Vector children = root.getContents();<a name="line.561"></a>
<FONT color="green">562</FONT> if (children != null) {<a name="line.562"></a>
<FONT color="green">563</FONT> final int count = children.size();<a name="line.563"></a>
<FONT color="green">564</FONT> for (int i = 0; i &lt; count; i++) {<a name="line.564"></a>
<FONT color="green">565</FONT> SyntaxTreeNode child = (SyntaxTreeNode)children.elementAt(i);<a name="line.565"></a>
<FONT color="green">566</FONT> SyntaxTreeNode node = findStylesheet(child, href);<a name="line.566"></a>
<FONT color="green">567</FONT> if (node != null) return node;<a name="line.567"></a>
<FONT color="green">568</FONT> }<a name="line.568"></a>
<FONT color="green">569</FONT> }<a name="line.569"></a>
<FONT color="green">570</FONT> return null; <a name="line.570"></a>
<FONT color="green">571</FONT> }<a name="line.571"></a>
<FONT color="green">572</FONT> <a name="line.572"></a>
<FONT color="green">573</FONT> /**<a name="line.573"></a>
<FONT color="green">574</FONT> * For embedded stylesheets: Load an external file with stylesheet<a name="line.574"></a>
<FONT color="green">575</FONT> */<a name="line.575"></a>
<FONT color="green">576</FONT> private SyntaxTreeNode loadExternalStylesheet(String location)<a name="line.576"></a>
<FONT color="green">577</FONT> throws CompilerException {<a name="line.577"></a>
<FONT color="green">578</FONT> <a name="line.578"></a>
<FONT color="green">579</FONT> InputSource source;<a name="line.579"></a>
<FONT color="green">580</FONT> <a name="line.580"></a>
<FONT color="green">581</FONT> // Check if the location is URL or a local file<a name="line.581"></a>
<FONT color="green">582</FONT> if ((new File(location)).exists())<a name="line.582"></a>
<FONT color="green">583</FONT> source = new InputSource("file:"+location);<a name="line.583"></a>
<FONT color="green">584</FONT> else<a name="line.584"></a>
<FONT color="green">585</FONT> source = new InputSource(location);<a name="line.585"></a>
<FONT color="green">586</FONT> <a name="line.586"></a>
<FONT color="green">587</FONT> SyntaxTreeNode external = (SyntaxTreeNode)parse(source);<a name="line.587"></a>
<FONT color="green">588</FONT> return(external);<a name="line.588"></a>
<FONT color="green">589</FONT> }<a name="line.589"></a>
<FONT color="green">590</FONT> <a name="line.590"></a>
<FONT color="green">591</FONT> private void initAttrTable(String elementName, String[] attrs) {<a name="line.591"></a>
<FONT color="green">592</FONT> _instructionAttrs.put(getQName(XSLT_URI, XSL, elementName),<a name="line.592"></a>
<FONT color="green">593</FONT> attrs);<a name="line.593"></a>
<FONT color="green">594</FONT> }<a name="line.594"></a>
<FONT color="green">595</FONT> <a name="line.595"></a>
<FONT color="green">596</FONT> private void initInstructionAttrs() {<a name="line.596"></a>
<FONT color="green">597</FONT> initAttrTable("template", <a name="line.597"></a>
<FONT color="green">598</FONT> new String[] {"match", "name", "priority", "mode"});<a name="line.598"></a>
<FONT color="green">599</FONT> initAttrTable("stylesheet", <a name="line.599"></a>
<FONT color="green">600</FONT> new String[] {"id", "version", "extension-element-prefixes",<a name="line.600"></a>
<FONT color="green">601</FONT> "exclude-result-prefixes"});<a name="line.601"></a>
<FONT color="green">602</FONT> initAttrTable("transform",<a name="line.602"></a>
<FONT color="green">603</FONT> new String[] {"id", "version", "extension-element-prefixes",<a name="line.603"></a>
<FONT color="green">604</FONT> "exclude-result-prefixes"});<a name="line.604"></a>
<FONT color="green">605</FONT> initAttrTable("text", new String[] {"disable-output-escaping"}); <a name="line.605"></a>
<FONT color="green">606</FONT> initAttrTable("if", new String[] {"test"}); <a name="line.606"></a>
<FONT color="green">607</FONT> initAttrTable("choose", new String[] {}); <a name="line.607"></a>
<FONT color="green">608</FONT> initAttrTable("when", new String[] {"test"}); <a name="line.608"></a>
<FONT color="green">609</FONT> initAttrTable("otherwise", new String[] {}); <a name="line.609"></a>
<FONT color="green">610</FONT> initAttrTable("for-each", new String[] {"select"}); <a name="line.610"></a>
<FONT color="green">611</FONT> initAttrTable("message", new String[] {"terminate"}); <a name="line.611"></a>
<FONT color="green">612</FONT> initAttrTable("number", <a name="line.612"></a>
<FONT color="green">613</FONT> new String[] {"level", "count", "from", "value", "format", "lang",<a name="line.613"></a>
<FONT color="green">614</FONT> "letter-value", "grouping-separator", "grouping-size"});<a name="line.614"></a>
<FONT color="green">615</FONT> initAttrTable("comment", new String[] {}); <a name="line.615"></a>
<FONT color="green">616</FONT> initAttrTable("copy", new String[] {"use-attribute-sets"}); <a name="line.616"></a>
<FONT color="green">617</FONT> initAttrTable("copy-of", new String[] {"select"}); <a name="line.617"></a>
<FONT color="green">618</FONT> initAttrTable("param", new String[] {"name", "select"}); <a name="line.618"></a>
<FONT color="green">619</FONT> initAttrTable("with-param", new String[] {"name", "select"}); <a name="line.619"></a>
<FONT color="green">620</FONT> initAttrTable("variable", new String[] {"name", "select"}); <a name="line.620"></a>
<FONT color="green">621</FONT> initAttrTable("output", <a name="line.621"></a>
<FONT color="green">622</FONT> new String[] {"method", "version", "encoding", <a name="line.622"></a>
<FONT color="green">623</FONT> "omit-xml-declaration", "standalone", "doctype-public",<a name="line.623"></a>
<FONT color="green">624</FONT> "doctype-system", "cdata-section-elements", "indent",<a name="line.624"></a>
<FONT color="green">625</FONT> "media-type"}); <a name="line.625"></a>
<FONT color="green">626</FONT> initAttrTable("sort", <a name="line.626"></a>
<FONT color="green">627</FONT> new String[] {"select", "order", "case-order", "lang", "data-type"});<a name="line.627"></a>
<FONT color="green">628</FONT> initAttrTable("key", new String[] {"name", "match", "use"}); <a name="line.628"></a>
<FONT color="green">629</FONT> initAttrTable("fallback", new String[] {}); <a name="line.629"></a>
<FONT color="green">630</FONT> initAttrTable("attribute", new String[] {"name", "namespace"}); <a name="line.630"></a>
<FONT color="green">631</FONT> initAttrTable("attribute-set", <a name="line.631"></a>
<FONT color="green">632</FONT> new String[] {"name", "use-attribute-sets"}); <a name="line.632"></a>
<FONT color="green">633</FONT> initAttrTable("value-of", <a name="line.633"></a>
<FONT color="green">634</FONT> new String[] {"select", "disable-output-escaping"}); <a name="line.634"></a>
<FONT color="green">635</FONT> initAttrTable("element", <a name="line.635"></a>
<FONT color="green">636</FONT> new String[] {"name", "namespace", "use-attribute-sets"}); <a name="line.636"></a>
<FONT color="green">637</FONT> initAttrTable("call-template", new String[] {"name"}); <a name="line.637"></a>
<FONT color="green">638</FONT> initAttrTable("apply-templates", new String[] {"select", "mode"}); <a name="line.638"></a>
<FONT color="green">639</FONT> initAttrTable("apply-imports", new String[] {}); <a name="line.639"></a>
<FONT color="green">640</FONT> initAttrTable("decimal-format", <a name="line.640"></a>
<FONT color="green">641</FONT> new String[] {"name", "decimal-separator", "grouping-separator",<a name="line.641"></a>
<FONT color="green">642</FONT> "infinity", "minus-sign", "NaN", "percent", "per-mille",<a name="line.642"></a>
<FONT color="green">643</FONT> "zero-digit", "digit", "pattern-separator"}); <a name="line.643"></a>
<FONT color="green">644</FONT> initAttrTable("import", new String[] {"href"}); <a name="line.644"></a>
<FONT color="green">645</FONT> initAttrTable("include", new String[] {"href"}); <a name="line.645"></a>
<FONT color="green">646</FONT> initAttrTable("strip-space", new String[] {"elements"}); <a name="line.646"></a>
<FONT color="green">647</FONT> initAttrTable("preserve-space", new String[] {"elements"}); <a name="line.647"></a>
<FONT color="green">648</FONT> initAttrTable("processing-instruction", new String[] {"name"}); <a name="line.648"></a>
<FONT color="green">649</FONT> initAttrTable("namespace-alias", <a name="line.649"></a>
<FONT color="green">650</FONT> new String[] {"stylesheet-prefix", "result-prefix"}); <a name="line.650"></a>
<FONT color="green">651</FONT> }<a name="line.651"></a>
<FONT color="green">652</FONT> <a name="line.652"></a>
<FONT color="green">653</FONT> <a name="line.653"></a>
<FONT color="green">654</FONT> <a name="line.654"></a>
<FONT color="green">655</FONT> /**<a name="line.655"></a>
<FONT color="green">656</FONT> * Initialize the _instructionClasses Hashtable, which maps XSL element<a name="line.656"></a>
<FONT color="green">657</FONT> * names to Java classes in this package.<a name="line.657"></a>
<FONT color="green">658</FONT> */<a name="line.658"></a>
<FONT color="green">659</FONT> private void initStdClasses() {<a name="line.659"></a>
<FONT color="green">660</FONT> initStdClass("template", "Template");<a name="line.660"></a>
<FONT color="green">661</FONT> initStdClass("stylesheet", "Stylesheet");<a name="line.661"></a>
<FONT color="green">662</FONT> initStdClass("transform", "Stylesheet");<a name="line.662"></a>
<FONT color="green">663</FONT> initStdClass("text", "Text");<a name="line.663"></a>
<FONT color="green">664</FONT> initStdClass("if", "If");<a name="line.664"></a>
<FONT color="green">665</FONT> initStdClass("choose", "Choose");<a name="line.665"></a>
<FONT color="green">666</FONT> initStdClass("when", "When");<a name="line.666"></a>
<FONT color="green">667</FONT> initStdClass("otherwise", "Otherwise");<a name="line.667"></a>
<FONT color="green">668</FONT> initStdClass("for-each", "ForEach");<a name="line.668"></a>
<FONT color="green">669</FONT> initStdClass("message", "Message");<a name="line.669"></a>
<FONT color="green">670</FONT> initStdClass("number", "Number");<a name="line.670"></a>
<FONT color="green">671</FONT> initStdClass("comment", "Comment");<a name="line.671"></a>
<FONT color="green">672</FONT> initStdClass("copy", "Copy");<a name="line.672"></a>
<FONT color="green">673</FONT> initStdClass("copy-of", "CopyOf");<a name="line.673"></a>
<FONT color="green">674</FONT> initStdClass("param", "Param");<a name="line.674"></a>
<FONT color="green">675</FONT> initStdClass("with-param", "WithParam");<a name="line.675"></a>
<FONT color="green">676</FONT> initStdClass("variable", "Variable");<a name="line.676"></a>
<FONT color="green">677</FONT> initStdClass("output", "Output");<a name="line.677"></a>
<FONT color="green">678</FONT> initStdClass("sort", "Sort");<a name="line.678"></a>
<FONT color="green">679</FONT> initStdClass("key", "Key");<a name="line.679"></a>
<FONT color="green">680</FONT> initStdClass("fallback", "Fallback");<a name="line.680"></a>
<FONT color="green">681</FONT> initStdClass("attribute", "XslAttribute");<a name="line.681"></a>
<FONT color="green">682</FONT> initStdClass("attribute-set", "AttributeSet");<a name="line.682"></a>
<FONT color="green">683</FONT> initStdClass("value-of", "ValueOf");<a name="line.683"></a>
<FONT color="green">684</FONT> initStdClass("element", "XslElement");<a name="line.684"></a>
<FONT color="green">685</FONT> initStdClass("call-template", "CallTemplate");<a name="line.685"></a>
<FONT color="green">686</FONT> initStdClass("apply-templates", "ApplyTemplates");<a name="line.686"></a>
<FONT color="green">687</FONT> initStdClass("apply-imports", "ApplyImports");<a name="line.687"></a>
<FONT color="green">688</FONT> initStdClass("decimal-format", "DecimalFormatting");<a name="line.688"></a>
<FONT color="green">689</FONT> initStdClass("import", "Import");<a name="line.689"></a>
<FONT color="green">690</FONT> initStdClass("include", "Include");<a name="line.690"></a>
<FONT color="green">691</FONT> initStdClass("strip-space", "Whitespace");<a name="line.691"></a>
<FONT color="green">692</FONT> initStdClass("preserve-space", "Whitespace");<a name="line.692"></a>
<FONT color="green">693</FONT> initStdClass("processing-instruction", "ProcessingInstruction");<a name="line.693"></a>
<FONT color="green">694</FONT> initStdClass("namespace-alias", "NamespaceAlias");<a name="line.694"></a>
<FONT color="green">695</FONT> }<a name="line.695"></a>
<FONT color="green">696</FONT> <a name="line.696"></a>
<FONT color="green">697</FONT> private void initStdClass(String elementName, String className) {<a name="line.697"></a>
<FONT color="green">698</FONT> _instructionClasses.put(getQName(XSLT_URI, XSL, elementName),<a name="line.698"></a>
<FONT color="green">699</FONT> COMPILER_PACKAGE + '.' + className);<a name="line.699"></a>
<FONT color="green">700</FONT> }<a name="line.700"></a>
<FONT color="green">701</FONT> <a name="line.701"></a>
<FONT color="green">702</FONT> public boolean elementSupported(String namespace, String localName) {<a name="line.702"></a>
<FONT color="green">703</FONT> return(_instructionClasses.get(getQName(namespace, XSL, localName)) != null);<a name="line.703"></a>
<FONT color="green">704</FONT> }<a name="line.704"></a>
<FONT color="green">705</FONT> <a name="line.705"></a>
<FONT color="green">706</FONT> public boolean functionSupported(String fname) {<a name="line.706"></a>
<FONT color="green">707</FONT> return(_symbolTable.lookupPrimop(fname) != null);<a name="line.707"></a>
<FONT color="green">708</FONT> }<a name="line.708"></a>
<FONT color="green">709</FONT> <a name="line.709"></a>
<FONT color="green">710</FONT> private void initExtClasses() {<a name="line.710"></a>
<FONT color="green">711</FONT> initExtClass("output", "TransletOutput");<a name="line.711"></a>
<FONT color="green">712</FONT> initExtClass(REDIRECT_URI, "write", "TransletOutput");<a name="line.712"></a>
<FONT color="green">713</FONT> }<a name="line.713"></a>
<FONT color="green">714</FONT> <a name="line.714"></a>
<FONT color="green">715</FONT> private void initExtClass(String elementName, String className) {<a name="line.715"></a>
<FONT color="green">716</FONT> _instructionClasses.put(getQName(TRANSLET_URI, TRANSLET, elementName),<a name="line.716"></a>
<FONT color="green">717</FONT> COMPILER_PACKAGE + '.' + className);<a name="line.717"></a>
<FONT color="green">718</FONT> }<a name="line.718"></a>
<FONT color="green">719</FONT> <a name="line.719"></a>
<FONT color="green">720</FONT> private void initExtClass(String namespace, String elementName, String className) {<a name="line.720"></a>
<FONT color="green">721</FONT> _instructionClasses.put(getQName(namespace, TRANSLET, elementName),<a name="line.721"></a>
<FONT color="green">722</FONT> COMPILER_PACKAGE + '.' + className);<a name="line.722"></a>
<FONT color="green">723</FONT> }<a name="line.723"></a>
<FONT color="green">724</FONT> <a name="line.724"></a>
<FONT color="green">725</FONT> /**<a name="line.725"></a>
<FONT color="green">726</FONT> * Add primops and base functions to the symbol table.<a name="line.726"></a>
<FONT color="green">727</FONT> */<a name="line.727"></a>
<FONT color="green">728</FONT> private void initSymbolTable() {<a name="line.728"></a>
<FONT color="green">729</FONT> MethodType I_V = new MethodType(Type.Int, Type.Void);<a name="line.729"></a>
<FONT color="green">730</FONT> MethodType I_R = new MethodType(Type.Int, Type.Real);<a name="line.730"></a>
<FONT color="green">731</FONT> MethodType I_S = new MethodType(Type.Int, Type.String);<a name="line.731"></a>
<FONT color="green">732</FONT> MethodType I_D = new MethodType(Type.Int, Type.NodeSet);<a name="line.732"></a>
<FONT color="green">733</FONT> MethodType R_I = new MethodType(Type.Real, Type.Int);<a name="line.733"></a>
<FONT color="green">734</FONT> MethodType R_V = new MethodType(Type.Real, Type.Void);<a name="line.734"></a>
<FONT color="green">735</FONT> MethodType R_R = new MethodType(Type.Real, Type.Real);<a name="line.735"></a>
<FONT color="green">736</FONT> MethodType R_D = new MethodType(Type.Real, Type.NodeSet);<a name="line.736"></a>
<FONT color="green">737</FONT> MethodType R_O = new MethodType(Type.Real, Type.Reference);<a name="line.737"></a>
<FONT color="green">738</FONT> MethodType I_I = new MethodType(Type.Int, Type.Int);<a name="line.738"></a>
<FONT color="green">739</FONT> MethodType D_O = new MethodType(Type.NodeSet, Type.Reference);<a name="line.739"></a>
<FONT color="green">740</FONT> MethodType D_V = new MethodType(Type.NodeSet, Type.Void);<a name="line.740"></a>
<FONT color="green">741</FONT> MethodType D_S = new MethodType(Type.NodeSet, Type.String);<a name="line.741"></a>
<FONT color="green">742</FONT> MethodType D_D = new MethodType(Type.NodeSet, Type.NodeSet);<a name="line.742"></a>
<FONT color="green">743</FONT> MethodType A_V = new MethodType(Type.Node, Type.Void);<a name="line.743"></a>
<FONT color="green">744</FONT> MethodType S_V = new MethodType(Type.String, Type.Void);<a name="line.744"></a>
<FONT color="green">745</FONT> MethodType S_S = new MethodType(Type.String, Type.String);<a name="line.745"></a>
<FONT color="green">746</FONT> MethodType S_A = new MethodType(Type.String, Type.Node);<a name="line.746"></a>
<FONT color="green">747</FONT> MethodType S_D = new MethodType(Type.String, Type.NodeSet);<a name="line.747"></a>
<FONT color="green">748</FONT> MethodType S_O = new MethodType(Type.String, Type.Reference);<a name="line.748"></a>
<FONT color="green">749</FONT> MethodType B_O = new MethodType(Type.Boolean, Type.Reference);<a name="line.749"></a>
<FONT color="green">750</FONT> MethodType B_V = new MethodType(Type.Boolean, Type.Void);<a name="line.750"></a>
<FONT color="green">751</FONT> MethodType B_B = new MethodType(Type.Boolean, Type.Boolean);<a name="line.751"></a>
<FONT color="green">752</FONT> MethodType B_S = new MethodType(Type.Boolean, Type.String);<a name="line.752"></a>
<FONT color="green">753</FONT> MethodType D_X = new MethodType(Type.NodeSet, Type.Object);<a name="line.753"></a>
<FONT color="green">754</FONT> MethodType R_RR = new MethodType(Type.Real, Type.Real, Type.Real);<a name="line.754"></a>
<FONT color="green">755</FONT> MethodType I_II = new MethodType(Type.Int, Type.Int, Type.Int);<a name="line.755"></a>
<FONT color="green">756</FONT> MethodType B_RR = new MethodType(Type.Boolean, Type.Real, Type.Real);<a name="line.756"></a>
<FONT color="green">757</FONT> MethodType B_II = new MethodType(Type.Boolean, Type.Int, Type.Int);<a name="line.757"></a>
<FONT color="green">758</FONT> MethodType S_SS = new MethodType(Type.String, Type.String, Type.String);<a name="line.758"></a>
<FONT color="green">759</FONT> MethodType S_DS = new MethodType(Type.String, Type.Real, Type.String);<a name="line.759"></a>
<FONT color="green">760</FONT> MethodType S_SR = new MethodType(Type.String, Type.String, Type.Real);<a name="line.760"></a>
<FONT color="green">761</FONT> MethodType O_SO = new MethodType(Type.Reference, Type.String, Type.Reference);<a name="line.761"></a>
<FONT color="green">762</FONT> <a name="line.762"></a>
<FONT color="green">763</FONT> MethodType D_SS =<a name="line.763"></a>
<FONT color="green">764</FONT> new MethodType(Type.NodeSet, Type.String, Type.String);<a name="line.764"></a>
<FONT color="green">765</FONT> MethodType D_SD = <a name="line.765"></a>
<FONT color="green">766</FONT> new MethodType(Type.NodeSet, Type.String, Type.NodeSet);<a name="line.766"></a>
<FONT color="green">767</FONT> MethodType B_BB =<a name="line.767"></a>
<FONT color="green">768</FONT> new MethodType(Type.Boolean, Type.Boolean, Type.Boolean);<a name="line.768"></a>
<FONT color="green">769</FONT> MethodType B_SS =<a name="line.769"></a>
<FONT color="green">770</FONT> new MethodType(Type.Boolean, Type.String, Type.String);<a name="line.770"></a>
<FONT color="green">771</FONT> MethodType S_SD =<a name="line.771"></a>
<FONT color="green">772</FONT> new MethodType(Type.String, Type.String, Type.NodeSet);<a name="line.772"></a>
<FONT color="green">773</FONT> MethodType S_DSS =<a name="line.773"></a>
<FONT color="green">774</FONT> new MethodType(Type.String, Type.Real, Type.String, Type.String);<a name="line.774"></a>
<FONT color="green">775</FONT> MethodType S_SRR =<a name="line.775"></a>
<FONT color="green">776</FONT> new MethodType(Type.String, Type.String, Type.Real, Type.Real);<a name="line.776"></a>
<FONT color="green">777</FONT> MethodType S_SSS =<a name="line.777"></a>
<FONT color="green">778</FONT> new MethodType(Type.String, Type.String, Type.String, Type.String);<a name="line.778"></a>
<FONT color="green">779</FONT> <a name="line.779"></a>
<FONT color="green">780</FONT> /*<a name="line.780"></a>
<FONT color="green">781</FONT> * Standard functions: implemented but not in this table concat().<a name="line.781"></a>
<FONT color="green">782</FONT> * When adding a new function make sure to uncomment<a name="line.782"></a>
<FONT color="green">783</FONT> * the corresponding line in &lt;tt&gt;FunctionAvailableCall&lt;/tt&gt;.<a name="line.783"></a>
<FONT color="green">784</FONT> */<a name="line.784"></a>
<FONT color="green">785</FONT> <a name="line.785"></a>
<FONT color="green">786</FONT> // The following functions are inlined<a name="line.786"></a>
<FONT color="green">787</FONT> <a name="line.787"></a>
<FONT color="green">788</FONT> _symbolTable.addPrimop("current", A_V);<a name="line.788"></a>
<FONT color="green">789</FONT> _symbolTable.addPrimop("last", I_V);<a name="line.789"></a>
<FONT color="green">790</FONT> _symbolTable.addPrimop("position", I_V);<a name="line.790"></a>
<FONT color="green">791</FONT> _symbolTable.addPrimop("true", B_V);<a name="line.791"></a>
<FONT color="green">792</FONT> _symbolTable.addPrimop("false", B_V);<a name="line.792"></a>
<FONT color="green">793</FONT> _symbolTable.addPrimop("not", B_B);<a name="line.793"></a>
<FONT color="green">794</FONT> _symbolTable.addPrimop("name", S_V);<a name="line.794"></a>
<FONT color="green">795</FONT> _symbolTable.addPrimop("name", S_A);<a name="line.795"></a>
<FONT color="green">796</FONT> _symbolTable.addPrimop("generate-id", S_V);<a name="line.796"></a>
<FONT color="green">797</FONT> _symbolTable.addPrimop("generate-id", S_A);<a name="line.797"></a>
<FONT color="green">798</FONT> _symbolTable.addPrimop("ceiling", R_R);<a name="line.798"></a>
<FONT color="green">799</FONT> _symbolTable.addPrimop("floor", R_R);<a name="line.799"></a>
<FONT color="green">800</FONT> _symbolTable.addPrimop("round", R_R);<a name="line.800"></a>
<FONT color="green">801</FONT> _symbolTable.addPrimop("contains", B_SS);<a name="line.801"></a>
<FONT color="green">802</FONT> _symbolTable.addPrimop("number", R_O);<a name="line.802"></a>
<FONT color="green">803</FONT> _symbolTable.addPrimop("number", R_V);<a name="line.803"></a>
<FONT color="green">804</FONT> _symbolTable.addPrimop("boolean", B_O);<a name="line.804"></a>
<FONT color="green">805</FONT> _symbolTable.addPrimop("string", S_O);<a name="line.805"></a>
<FONT color="green">806</FONT> _symbolTable.addPrimop("string", S_V);<a name="line.806"></a>
<FONT color="green">807</FONT> _symbolTable.addPrimop("translate", S_SSS);<a name="line.807"></a>
<FONT color="green">808</FONT> _symbolTable.addPrimop("string-length", I_V);<a name="line.808"></a>
<FONT color="green">809</FONT> _symbolTable.addPrimop("string-length", I_S);<a name="line.809"></a>
<FONT color="green">810</FONT> _symbolTable.addPrimop("starts-with", B_SS);<a name="line.810"></a>
<FONT color="green">811</FONT> _symbolTable.addPrimop("format-number", S_DS);<a name="line.811"></a>
<FONT color="green">812</FONT> _symbolTable.addPrimop("format-number", S_DSS);<a name="line.812"></a>
<FONT color="green">813</FONT> _symbolTable.addPrimop("unparsed-entity-uri", S_S);<a name="line.813"></a>
<FONT color="green">814</FONT> _symbolTable.addPrimop("key", D_SS);<a name="line.814"></a>
<FONT color="green">815</FONT> _symbolTable.addPrimop("key", D_SD);<a name="line.815"></a>
<FONT color="green">816</FONT> _symbolTable.addPrimop("id", D_S);<a name="line.816"></a>
<FONT color="green">817</FONT> _symbolTable.addPrimop("id", D_D);<a name="line.817"></a>
<FONT color="green">818</FONT> _symbolTable.addPrimop("namespace-uri", S_V);<a name="line.818"></a>
<FONT color="green">819</FONT> _symbolTable.addPrimop("function-available", B_S);<a name="line.819"></a>
<FONT color="green">820</FONT> _symbolTable.addPrimop("element-available", B_S);<a name="line.820"></a>
<FONT color="green">821</FONT> _symbolTable.addPrimop("document", D_S);<a name="line.821"></a>
<FONT color="green">822</FONT> _symbolTable.addPrimop("document", D_V);<a name="line.822"></a>
<FONT color="green">823</FONT> <a name="line.823"></a>
<FONT color="green">824</FONT> // The following functions are implemented in the basis library<a name="line.824"></a>
<FONT color="green">825</FONT> _symbolTable.addPrimop("count", I_D);<a name="line.825"></a>
<FONT color="green">826</FONT> _symbolTable.addPrimop("sum", R_D);<a name="line.826"></a>
<FONT color="green">827</FONT> _symbolTable.addPrimop("local-name", S_V);<a name="line.827"></a>
<FONT color="green">828</FONT> _symbolTable.addPrimop("local-name", S_D);<a name="line.828"></a>
<FONT color="green">829</FONT> _symbolTable.addPrimop("namespace-uri", S_V);<a name="line.829"></a>
<FONT color="green">830</FONT> _symbolTable.addPrimop("namespace-uri", S_D);<a name="line.830"></a>
<FONT color="green">831</FONT> _symbolTable.addPrimop("substring", S_SR);<a name="line.831"></a>
<FONT color="green">832</FONT> _symbolTable.addPrimop("substring", S_SRR);<a name="line.832"></a>
<FONT color="green">833</FONT> _symbolTable.addPrimop("substring-after", S_SS);<a name="line.833"></a>
<FONT color="green">834</FONT> _symbolTable.addPrimop("substring-before", S_SS);<a name="line.834"></a>
<FONT color="green">835</FONT> _symbolTable.addPrimop("normalize-space", S_V);<a name="line.835"></a>
<FONT color="green">836</FONT> _symbolTable.addPrimop("normalize-space", S_S);<a name="line.836"></a>
<FONT color="green">837</FONT> _symbolTable.addPrimop("system-property", S_S);<a name="line.837"></a>
<FONT color="green">838</FONT> <a name="line.838"></a>
<FONT color="green">839</FONT> // Extensions<a name="line.839"></a>
<FONT color="green">840</FONT> _symbolTable.addPrimop("nodeset", D_O);<a name="line.840"></a>
<FONT color="green">841</FONT> _symbolTable.addPrimop("objectType", S_O);<a name="line.841"></a>
<FONT color="green">842</FONT> _symbolTable.addPrimop("cast", O_SO);<a name="line.842"></a>
<FONT color="green">843</FONT> <a name="line.843"></a>
<FONT color="green">844</FONT> // Operators +, -, *, /, % defined on real types.<a name="line.844"></a>
<FONT color="green">845</FONT> _symbolTable.addPrimop("+", R_RR); <a name="line.845"></a>
<FONT color="green">846</FONT> _symbolTable.addPrimop("-", R_RR); <a name="line.846"></a>
<FONT color="green">847</FONT> _symbolTable.addPrimop("*", R_RR); <a name="line.847"></a>
<FONT color="green">848</FONT> _symbolTable.addPrimop("/", R_RR); <a name="line.848"></a>
<FONT color="green">849</FONT> _symbolTable.addPrimop("%", R_RR); <a name="line.849"></a>
<FONT color="green">850</FONT> <a name="line.850"></a>
<FONT color="green">851</FONT> // Operators +, -, * defined on integer types.<a name="line.851"></a>
<FONT color="green">852</FONT> // Operators / and % are not defined on integers (may cause exception)<a name="line.852"></a>
<FONT color="green">853</FONT> _symbolTable.addPrimop("+", I_II); <a name="line.853"></a>
<FONT color="green">854</FONT> _symbolTable.addPrimop("-", I_II); <a name="line.854"></a>
<FONT color="green">855</FONT> _symbolTable.addPrimop("*", I_II); <a name="line.855"></a>
<FONT color="green">856</FONT> <a name="line.856"></a>
<FONT color="green">857</FONT> // Operators &lt;, &lt;= &gt;, &gt;= defined on real types.<a name="line.857"></a>
<FONT color="green">858</FONT> _symbolTable.addPrimop("&lt;", B_RR); <a name="line.858"></a>
<FONT color="green">859</FONT> _symbolTable.addPrimop("&lt;=", B_RR); <a name="line.859"></a>
<FONT color="green">860</FONT> _symbolTable.addPrimop("&gt;", B_RR); <a name="line.860"></a>
<FONT color="green">861</FONT> _symbolTable.addPrimop("&gt;=", B_RR); <a name="line.861"></a>
<FONT color="green">862</FONT> <a name="line.862"></a>
<FONT color="green">863</FONT> // Operators &lt;, &lt;= &gt;, &gt;= defined on int types.<a name="line.863"></a>
<FONT color="green">864</FONT> _symbolTable.addPrimop("&lt;", B_II); <a name="line.864"></a>
<FONT color="green">865</FONT> _symbolTable.addPrimop("&lt;=", B_II); <a name="line.865"></a>
<FONT color="green">866</FONT> _symbolTable.addPrimop("&gt;", B_II); <a name="line.866"></a>
<FONT color="green">867</FONT> _symbolTable.addPrimop("&gt;=", B_II); <a name="line.867"></a>
<FONT color="green">868</FONT> <a name="line.868"></a>
<FONT color="green">869</FONT> // Operators &lt;, &lt;= &gt;, &gt;= defined on boolean types.<a name="line.869"></a>
<FONT color="green">870</FONT> _symbolTable.addPrimop("&lt;", B_BB); <a name="line.870"></a>
<FONT color="green">871</FONT> _symbolTable.addPrimop("&lt;=", B_BB); <a name="line.871"></a>
<FONT color="green">872</FONT> _symbolTable.addPrimop("&gt;", B_BB); <a name="line.872"></a>
<FONT color="green">873</FONT> _symbolTable.addPrimop("&gt;=", B_BB); <a name="line.873"></a>
<FONT color="green">874</FONT> <a name="line.874"></a>
<FONT color="green">875</FONT> // Operators 'and' and 'or'.<a name="line.875"></a>
<FONT color="green">876</FONT> _symbolTable.addPrimop("or", B_BB); <a name="line.876"></a>
<FONT color="green">877</FONT> _symbolTable.addPrimop("and", B_BB); <a name="line.877"></a>
<FONT color="green">878</FONT> <a name="line.878"></a>
<FONT color="green">879</FONT> // Unary minus.<a name="line.879"></a>
<FONT color="green">880</FONT> _symbolTable.addPrimop("u-", R_R); <a name="line.880"></a>
<FONT color="green">881</FONT> _symbolTable.addPrimop("u-", I_I); <a name="line.881"></a>
<FONT color="green">882</FONT> }<a name="line.882"></a>
<FONT color="green">883</FONT> <a name="line.883"></a>
<FONT color="green">884</FONT> public SymbolTable getSymbolTable() {<a name="line.884"></a>
<FONT color="green">885</FONT> return _symbolTable;<a name="line.885"></a>
<FONT color="green">886</FONT> }<a name="line.886"></a>
<FONT color="green">887</FONT> <a name="line.887"></a>
<FONT color="green">888</FONT> public Template getTemplate() {<a name="line.888"></a>
<FONT color="green">889</FONT> return _template;<a name="line.889"></a>
<FONT color="green">890</FONT> }<a name="line.890"></a>
<FONT color="green">891</FONT> <a name="line.891"></a>
<FONT color="green">892</FONT> public void setTemplate(Template template) {<a name="line.892"></a>
<FONT color="green">893</FONT> _template = template;<a name="line.893"></a>
<FONT color="green">894</FONT> }<a name="line.894"></a>
<FONT color="green">895</FONT> <a name="line.895"></a>
<FONT color="green">896</FONT> private int _templateIndex = 0;<a name="line.896"></a>
<FONT color="green">897</FONT> <a name="line.897"></a>
<FONT color="green">898</FONT> public int getTemplateIndex() {<a name="line.898"></a>
<FONT color="green">899</FONT> return(_templateIndex++);<a name="line.899"></a>
<FONT color="green">900</FONT> }<a name="line.900"></a>
<FONT color="green">901</FONT> <a name="line.901"></a>
<FONT color="green">902</FONT> /**<a name="line.902"></a>
<FONT color="green">903</FONT> * Creates a new node in the abstract syntax tree. This node can be<a name="line.903"></a>
<FONT color="green">904</FONT> * o) a supported XSLT 1.0 element<a name="line.904"></a>
<FONT color="green">905</FONT> * o) an unsupported XSLT element (post 1.0)<a name="line.905"></a>
<FONT color="green">906</FONT> * o) a supported XSLT extension<a name="line.906"></a>
<FONT color="green">907</FONT> * o) an unsupported XSLT extension<a name="line.907"></a>
<FONT color="green">908</FONT> * o) a literal result element (not an XSLT element and not an extension)<a name="line.908"></a>
<FONT color="green">909</FONT> * Unsupported elements do not directly generate an error. We have to wait<a name="line.909"></a>
<FONT color="green">910</FONT> * until we have received all child elements of an unsupported element to<a name="line.910"></a>
<FONT color="green">911</FONT> * see if any &lt;xsl:fallback&gt; elements exist.<a name="line.911"></a>
<FONT color="green">912</FONT> */<a name="line.912"></a>
<FONT color="green">913</FONT> <a name="line.913"></a>
<FONT color="green">914</FONT> private boolean versionIsOne = true;<a name="line.914"></a>
<FONT color="green">915</FONT> <a name="line.915"></a>
<FONT color="green">916</FONT> public SyntaxTreeNode makeInstance(String uri, String prefix, <a name="line.916"></a>
<FONT color="green">917</FONT> String local, Attributes attributes)<a name="line.917"></a>
<FONT color="green">918</FONT> {<a name="line.918"></a>
<FONT color="green">919</FONT> SyntaxTreeNode node = null;<a name="line.919"></a>
<FONT color="green">920</FONT> QName qname = getQName(uri, prefix, local);<a name="line.920"></a>
<FONT color="green">921</FONT> String className = (String)_instructionClasses.get(qname);<a name="line.921"></a>
<FONT color="green">922</FONT> <a name="line.922"></a>
<FONT color="green">923</FONT> if (className != null) {<a name="line.923"></a>
<FONT color="green">924</FONT> try {<a name="line.924"></a>
<FONT color="green">925</FONT> final Class clazz = ObjectFactory.findProviderClass(<a name="line.925"></a>
<FONT color="green">926</FONT> className, ObjectFactory.findClassLoader(), true);<a name="line.926"></a>
<FONT color="green">927</FONT> node = (SyntaxTreeNode)clazz.newInstance();<a name="line.927"></a>
<FONT color="green">928</FONT> node.setQName(qname);<a name="line.928"></a>
<FONT color="green">929</FONT> node.setParser(this);<a name="line.929"></a>
<FONT color="green">930</FONT> if (_locator != null) {<a name="line.930"></a>
<FONT color="green">931</FONT> node.setLineNumber(getLineNumber());<a name="line.931"></a>
<FONT color="green">932</FONT> }<a name="line.932"></a>
<FONT color="green">933</FONT> if (node instanceof Stylesheet) {<a name="line.933"></a>
<FONT color="green">934</FONT> _xsltc.setStylesheet((Stylesheet)node);<a name="line.934"></a>
<FONT color="green">935</FONT> }<a name="line.935"></a>
<FONT color="green">936</FONT> checkForSuperfluousAttributes(node, attributes);<a name="line.936"></a>
<FONT color="green">937</FONT> }<a name="line.937"></a>
<FONT color="green">938</FONT> catch (ClassNotFoundException e) {<a name="line.938"></a>
<FONT color="green">939</FONT> ErrorMsg err = new ErrorMsg(ErrorMsg.CLASS_NOT_FOUND_ERR, node);<a name="line.939"></a>
<FONT color="green">940</FONT> reportError(ERROR, err);<a name="line.940"></a>
<FONT color="green">941</FONT> }<a name="line.941"></a>
<FONT color="green">942</FONT> catch (Exception e) {<a name="line.942"></a>
<FONT color="green">943</FONT> ErrorMsg err = new ErrorMsg(ErrorMsg.INTERNAL_ERR,<a name="line.943"></a>
<FONT color="green">944</FONT> e.getMessage(), node);<a name="line.944"></a>
<FONT color="green">945</FONT> reportError(FATAL, err);<a name="line.945"></a>
<FONT color="green">946</FONT> }<a name="line.946"></a>
<FONT color="green">947</FONT> }<a name="line.947"></a>
<FONT color="green">948</FONT> else {<a name="line.948"></a>
<FONT color="green">949</FONT> if (uri != null) {<a name="line.949"></a>
<FONT color="green">950</FONT> // Check if the element belongs in our namespace<a name="line.950"></a>
<FONT color="green">951</FONT> if (uri.equals(XSLT_URI)) {<a name="line.951"></a>
<FONT color="green">952</FONT> node = new UnsupportedElement(uri, prefix, local, false);<a name="line.952"></a>
<FONT color="green">953</FONT> UnsupportedElement element = (UnsupportedElement)node;<a name="line.953"></a>
<FONT color="green">954</FONT> ErrorMsg msg = new ErrorMsg(ErrorMsg.UNSUPPORTED_XSL_ERR,<a name="line.954"></a>
<FONT color="green">955</FONT> getLineNumber(),local);<a name="line.955"></a>
<FONT color="green">956</FONT> element.setErrorMessage(msg);<a name="line.956"></a>
<FONT color="green">957</FONT> if (versionIsOne) {<a name="line.957"></a>
<FONT color="green">958</FONT> reportError(UNSUPPORTED,msg);<a name="line.958"></a>
<FONT color="green">959</FONT> }<a name="line.959"></a>
<FONT color="green">960</FONT> }<a name="line.960"></a>
<FONT color="green">961</FONT> // Check if this is an XSLTC extension element<a name="line.961"></a>
<FONT color="green">962</FONT> else if (uri.equals(TRANSLET_URI)) {<a name="line.962"></a>
<FONT color="green">963</FONT> node = new UnsupportedElement(uri, prefix, local, true);<a name="line.963"></a>
<FONT color="green">964</FONT> UnsupportedElement element = (UnsupportedElement)node;<a name="line.964"></a>
<FONT color="green">965</FONT> ErrorMsg msg = new ErrorMsg(ErrorMsg.UNSUPPORTED_EXT_ERR,<a name="line.965"></a>
<FONT color="green">966</FONT> getLineNumber(),local);<a name="line.966"></a>
<FONT color="green">967</FONT> element.setErrorMessage(msg);<a name="line.967"></a>
<FONT color="green">968</FONT> }<a name="line.968"></a>
<FONT color="green">969</FONT> // Check if this is an extension of some other XSLT processor<a name="line.969"></a>
<FONT color="green">970</FONT> else {<a name="line.970"></a>
<FONT color="green">971</FONT> Stylesheet sheet = _xsltc.getStylesheet();<a name="line.971"></a>
<FONT color="green">972</FONT> if ((sheet != null) &amp;&amp; (sheet.isExtension(uri))) {<a name="line.972"></a>
<FONT color="green">973</FONT> if (sheet != (SyntaxTreeNode)_parentStack.peek()) {<a name="line.973"></a>
<FONT color="green">974</FONT> node = new UnsupportedElement(uri, prefix, local, true);<a name="line.974"></a>
<FONT color="green">975</FONT> UnsupportedElement elem = (UnsupportedElement)node;<a name="line.975"></a>
<FONT color="green">976</FONT> ErrorMsg msg =<a name="line.976"></a>
<FONT color="green">977</FONT> new ErrorMsg(ErrorMsg.UNSUPPORTED_EXT_ERR,<a name="line.977"></a>
<FONT color="green">978</FONT> getLineNumber(),<a name="line.978"></a>
<FONT color="green">979</FONT> prefix+":"+local);<a name="line.979"></a>
<FONT color="green">980</FONT> elem.setErrorMessage(msg);<a name="line.980"></a>
<FONT color="green">981</FONT> }<a name="line.981"></a>
<FONT color="green">982</FONT> }<a name="line.982"></a>
<FONT color="green">983</FONT> }<a name="line.983"></a>
<FONT color="green">984</FONT> }<a name="line.984"></a>
<FONT color="green">985</FONT> if (node == null) {<a name="line.985"></a>
<FONT color="green">986</FONT> node = new LiteralElement();<a name="line.986"></a>
<FONT color="green">987</FONT> node.setLineNumber(getLineNumber());<a name="line.987"></a>
<FONT color="green">988</FONT> }<a name="line.988"></a>
<FONT color="green">989</FONT> node.setParser(this);<a name="line.989"></a>
<FONT color="green">990</FONT> }<a name="line.990"></a>
<FONT color="green">991</FONT> if ((node != null) &amp;&amp; (node instanceof LiteralElement)) {<a name="line.991"></a>
<FONT color="green">992</FONT> ((LiteralElement)node).setQName(qname);<a name="line.992"></a>
<FONT color="green">993</FONT> }<a name="line.993"></a>
<FONT color="green">994</FONT> return(node);<a name="line.994"></a>
<FONT color="green">995</FONT> }<a name="line.995"></a>
<FONT color="green">996</FONT> <a name="line.996"></a>
<FONT color="green">997</FONT> /**<a name="line.997"></a>
<FONT color="green">998</FONT> * checks the list of attributes against a list of allowed attributes<a name="line.998"></a>
<FONT color="green">999</FONT> * for a particular element node.<a name="line.999"></a>
<FONT color="green">1000</FONT> */<a name="line.1000"></a>
<FONT color="green">1001</FONT> private void checkForSuperfluousAttributes(SyntaxTreeNode node, <a name="line.1001"></a>
<FONT color="green">1002</FONT> Attributes attrs)<a name="line.1002"></a>
<FONT color="green">1003</FONT> {<a name="line.1003"></a>
<FONT color="green">1004</FONT> QName qname = node.getQName();<a name="line.1004"></a>
<FONT color="green">1005</FONT> boolean isStylesheet = (node instanceof Stylesheet); <a name="line.1005"></a>
<FONT color="green">1006</FONT> String[] legal = (String[]) _instructionAttrs.get(qname);<a name="line.1006"></a>
<FONT color="green">1007</FONT> if (versionIsOne &amp;&amp; legal != null) {<a name="line.1007"></a>
<FONT color="green">1008</FONT> int j;<a name="line.1008"></a>
<FONT color="green">1009</FONT> final int n = attrs.getLength();<a name="line.1009"></a>
<FONT color="green">1010</FONT> <a name="line.1010"></a>
<FONT color="green">1011</FONT> for (int i = 0; i &lt; n; i++) {<a name="line.1011"></a>
<FONT color="green">1012</FONT> final String attrQName = attrs.getQName(i);<a name="line.1012"></a>
<FONT color="green">1013</FONT> <a name="line.1013"></a>
<FONT color="green">1014</FONT> if (isStylesheet &amp;&amp; attrQName.equals("version")) {<a name="line.1014"></a>
<FONT color="green">1015</FONT> versionIsOne = attrs.getValue(i).equals("1.0");<a name="line.1015"></a>
<FONT color="green">1016</FONT> }<a name="line.1016"></a>
<FONT color="green">1017</FONT> <a name="line.1017"></a>
<FONT color="green">1018</FONT> // Ignore if special or if it has a prefix<a name="line.1018"></a>
<FONT color="green">1019</FONT> if (attrQName.startsWith("xml") ||<a name="line.1019"></a>
<FONT color="green">1020</FONT> attrQName.indexOf(':') &gt; 0) continue;<a name="line.1020"></a>
<FONT color="green">1021</FONT> <a name="line.1021"></a>
<FONT color="green">1022</FONT> for (j = 0; j &lt; legal.length; j++) {<a name="line.1022"></a>
<FONT color="green">1023</FONT> if (attrQName.equalsIgnoreCase(legal[j])) {<a name="line.1023"></a>
<FONT color="green">1024</FONT> break;<a name="line.1024"></a>
<FONT color="green">1025</FONT> } <a name="line.1025"></a>
<FONT color="green">1026</FONT> }<a name="line.1026"></a>
<FONT color="green">1027</FONT> if (j == legal.length) {<a name="line.1027"></a>
<FONT color="green">1028</FONT> final ErrorMsg err = <a name="line.1028"></a>
<FONT color="green">1029</FONT> new ErrorMsg(ErrorMsg.ILLEGAL_ATTRIBUTE_ERR, <a name="line.1029"></a>
<FONT color="green">1030</FONT> attrQName, node);<a name="line.1030"></a>
<FONT color="green">1031</FONT> // Workaround for the TCK failure ErrorListener.errorTests.error001..<a name="line.1031"></a>
<FONT color="green">1032</FONT> err.setWarningError(true);<a name="line.1032"></a>
<FONT color="green">1033</FONT> reportError(WARNING, err);<a name="line.1033"></a>
<FONT color="green">1034</FONT> }<a name="line.1034"></a>
<FONT color="green">1035</FONT> }<a name="line.1035"></a>
<FONT color="green">1036</FONT> } <a name="line.1036"></a>
<FONT color="green">1037</FONT> }<a name="line.1037"></a>
<FONT color="green">1038</FONT> <a name="line.1038"></a>
<FONT color="green">1039</FONT> <a name="line.1039"></a>
<FONT color="green">1040</FONT> /**<a name="line.1040"></a>
<FONT color="green">1041</FONT> * Parse an XPath expression:<a name="line.1041"></a>
<FONT color="green">1042</FONT> * @param parent - XSL element where the expression occured<a name="line.1042"></a>
<FONT color="green">1043</FONT> * @param exp - textual representation of the expression<a name="line.1043"></a>
<FONT color="green">1044</FONT> */<a name="line.1044"></a>
<FONT color="green">1045</FONT> public Expression parseExpression(SyntaxTreeNode parent, String exp) {<a name="line.1045"></a>
<FONT color="green">1046</FONT> return (Expression)parseTopLevel(parent, "&lt;EXPRESSION&gt;"+exp, null);<a name="line.1046"></a>
<FONT color="green">1047</FONT> }<a name="line.1047"></a>
<FONT color="green">1048</FONT> <a name="line.1048"></a>
<FONT color="green">1049</FONT> /**<a name="line.1049"></a>
<FONT color="green">1050</FONT> * Parse an XPath expression:<a name="line.1050"></a>
<FONT color="green">1051</FONT> * @param parent - XSL element where the expression occured<a name="line.1051"></a>
<FONT color="green">1052</FONT> * @param attr - name of this element's attribute to get expression from<a name="line.1052"></a>
<FONT color="green">1053</FONT> * @param def - default expression (if the attribute was not found)<a name="line.1053"></a>
<FONT color="green">1054</FONT> */<a name="line.1054"></a>
<FONT color="green">1055</FONT> public Expression parseExpression(SyntaxTreeNode parent,<a name="line.1055"></a>
<FONT color="green">1056</FONT> String attr, String def) {<a name="line.1056"></a>
<FONT color="green">1057</FONT> // Get the textual representation of the expression (if any)<a name="line.1057"></a>
<FONT color="green">1058</FONT> String exp = parent.getAttribute(attr);<a name="line.1058"></a>
<FONT color="green">1059</FONT> // Use the default expression if none was found<a name="line.1059"></a>
<FONT color="green">1060</FONT> if ((exp.length() == 0) &amp;&amp; (def != null)) exp = def;<a name="line.1060"></a>
<FONT color="green">1061</FONT> // Invoke the XPath parser<a name="line.1061"></a>
<FONT color="green">1062</FONT> return (Expression)parseTopLevel(parent, "&lt;EXPRESSION&gt;"+exp, exp);<a name="line.1062"></a>
<FONT color="green">1063</FONT> }<a name="line.1063"></a>
<FONT color="green">1064</FONT> <a name="line.1064"></a>
<FONT color="green">1065</FONT> /**<a name="line.1065"></a>
<FONT color="green">1066</FONT> * Parse an XPath pattern:<a name="line.1066"></a>
<FONT color="green">1067</FONT> * @param parent - XSL element where the pattern occured<a name="line.1067"></a>
<FONT color="green">1068</FONT> * @param pattern - textual representation of the pattern<a name="line.1068"></a>
<FONT color="green">1069</FONT> */<a name="line.1069"></a>
<FONT color="green">1070</FONT> public Pattern parsePattern(SyntaxTreeNode parent, String pattern) {<a name="line.1070"></a>
<FONT color="green">1071</FONT> return (Pattern)parseTopLevel(parent, "&lt;PATTERN&gt;"+pattern, pattern);<a name="line.1071"></a>
<FONT color="green">1072</FONT> }<a name="line.1072"></a>
<FONT color="green">1073</FONT> <a name="line.1073"></a>
<FONT color="green">1074</FONT> /**<a name="line.1074"></a>
<FONT color="green">1075</FONT> * Parse an XPath pattern:<a name="line.1075"></a>
<FONT color="green">1076</FONT> * @param parent - XSL element where the pattern occured<a name="line.1076"></a>
<FONT color="green">1077</FONT> * @param attr - name of this element's attribute to get pattern from<a name="line.1077"></a>
<FONT color="green">1078</FONT> * @param def - default pattern (if the attribute was not found)<a name="line.1078"></a>
<FONT color="green">1079</FONT> */<a name="line.1079"></a>
<FONT color="green">1080</FONT> public Pattern parsePattern(SyntaxTreeNode parent,<a name="line.1080"></a>
<FONT color="green">1081</FONT> String attr, String def) {<a name="line.1081"></a>
<FONT color="green">1082</FONT> // Get the textual representation of the pattern (if any)<a name="line.1082"></a>
<FONT color="green">1083</FONT> String pattern = parent.getAttribute(attr);<a name="line.1083"></a>
<FONT color="green">1084</FONT> // Use the default pattern if none was found<a name="line.1084"></a>
<FONT color="green">1085</FONT> if ((pattern.length() == 0) &amp;&amp; (def != null)) pattern = def;<a name="line.1085"></a>
<FONT color="green">1086</FONT> // Invoke the XPath parser<a name="line.1086"></a>
<FONT color="green">1087</FONT> return (Pattern)parseTopLevel(parent, "&lt;PATTERN&gt;"+pattern, pattern);<a name="line.1087"></a>
<FONT color="green">1088</FONT> }<a name="line.1088"></a>
<FONT color="green">1089</FONT> <a name="line.1089"></a>
<FONT color="green">1090</FONT> /**<a name="line.1090"></a>
<FONT color="green">1091</FONT> * Parse an XPath expression or pattern using the generated XPathParser<a name="line.1091"></a>
<FONT color="green">1092</FONT> * The method will return a Dummy node if the XPath parser fails.<a name="line.1092"></a>
<FONT color="green">1093</FONT> */<a name="line.1093"></a>
<FONT color="green">1094</FONT> private SyntaxTreeNode parseTopLevel(SyntaxTreeNode parent, String text,<a name="line.1094"></a>
<FONT color="green">1095</FONT> String expression) {<a name="line.1095"></a>
<FONT color="green">1096</FONT> int line = getLineNumber();<a name="line.1096"></a>
<FONT color="green">1097</FONT> <a name="line.1097"></a>
<FONT color="green">1098</FONT> try {<a name="line.1098"></a>
<FONT color="green">1099</FONT> _xpathParser.setScanner(new XPathLexer(new StringReader(text)));<a name="line.1099"></a>
<FONT color="green">1100</FONT> Symbol result = _xpathParser.parse(expression, line);<a name="line.1100"></a>
<FONT color="green">1101</FONT> if (result != null) {<a name="line.1101"></a>
<FONT color="green">1102</FONT> final SyntaxTreeNode node = (SyntaxTreeNode)result.value;<a name="line.1102"></a>
<FONT color="green">1103</FONT> if (node != null) {<a name="line.1103"></a>
<FONT color="green">1104</FONT> node.setParser(this);<a name="line.1104"></a>
<FONT color="green">1105</FONT> node.setParent(parent);<a name="line.1105"></a>
<FONT color="green">1106</FONT> node.setLineNumber(line);<a name="line.1106"></a>
<FONT color="green">1107</FONT> // System.out.println("e = " + text + " " + node);<a name="line.1107"></a>
<FONT color="green">1108</FONT> return node;<a name="line.1108"></a>
<FONT color="green">1109</FONT> }<a name="line.1109"></a>
<FONT color="green">1110</FONT> } <a name="line.1110"></a>
<FONT color="green">1111</FONT> reportError(ERROR, new ErrorMsg(ErrorMsg.XPATH_PARSER_ERR,<a name="line.1111"></a>
<FONT color="green">1112</FONT> expression, parent));<a name="line.1112"></a>
<FONT color="green">1113</FONT> }<a name="line.1113"></a>
<FONT color="green">1114</FONT> catch (Exception e) {<a name="line.1114"></a>
<FONT color="green">1115</FONT> if (_xsltc.debug()) e.printStackTrace();<a name="line.1115"></a>
<FONT color="green">1116</FONT> reportError(ERROR, new ErrorMsg(ErrorMsg.XPATH_PARSER_ERR,<a name="line.1116"></a>
<FONT color="green">1117</FONT> expression, parent));<a name="line.1117"></a>
<FONT color="green">1118</FONT> }<a name="line.1118"></a>
<FONT color="green">1119</FONT> <a name="line.1119"></a>
<FONT color="green">1120</FONT> // Return a dummy pattern (which is an expression)<a name="line.1120"></a>
<FONT color="green">1121</FONT> SyntaxTreeNode.Dummy.setParser(this);<a name="line.1121"></a>
<FONT color="green">1122</FONT> return SyntaxTreeNode.Dummy; <a name="line.1122"></a>
<FONT color="green">1123</FONT> }<a name="line.1123"></a>
<FONT color="green">1124</FONT> <a name="line.1124"></a>
<FONT color="green">1125</FONT> /************************ ERROR HANDLING SECTION ************************/<a name="line.1125"></a>
<FONT color="green">1126</FONT> <a name="line.1126"></a>
<FONT color="green">1127</FONT> /**<a name="line.1127"></a>
<FONT color="green">1128</FONT> * Returns true if there were any errors during compilation<a name="line.1128"></a>
<FONT color="green">1129</FONT> */<a name="line.1129"></a>
<FONT color="green">1130</FONT> public boolean errorsFound() {<a name="line.1130"></a>
<FONT color="green">1131</FONT> return _errors.size() &gt; 0;<a name="line.1131"></a>
<FONT color="green">1132</FONT> }<a name="line.1132"></a>
<FONT color="green">1133</FONT> <a name="line.1133"></a>
<FONT color="green">1134</FONT> /**<a name="line.1134"></a>
<FONT color="green">1135</FONT> * Prints all compile-time errors<a name="line.1135"></a>
<FONT color="green">1136</FONT> */<a name="line.1136"></a>
<FONT color="green">1137</FONT> public void printErrors() {<a name="line.1137"></a>
<FONT color="green">1138</FONT> final int size = _errors.size();<a name="line.1138"></a>
<FONT color="green">1139</FONT> if (size &gt; 0) {<a name="line.1139"></a>
<FONT color="green">1140</FONT> System.err.println(new ErrorMsg(ErrorMsg.COMPILER_ERROR_KEY));<a name="line.1140"></a>
<FONT color="green">1141</FONT> for (int i = 0; i &lt; size; i++) {<a name="line.1141"></a>
<FONT color="green">1142</FONT> System.err.println(" " + _errors.elementAt(i));<a name="line.1142"></a>
<FONT color="green">1143</FONT> }<a name="line.1143"></a>
<FONT color="green">1144</FONT> }<a name="line.1144"></a>
<FONT color="green">1145</FONT> }<a name="line.1145"></a>
<FONT color="green">1146</FONT> <a name="line.1146"></a>
<FONT color="green">1147</FONT> /**<a name="line.1147"></a>
<FONT color="green">1148</FONT> * Prints all compile-time warnings<a name="line.1148"></a>
<FONT color="green">1149</FONT> */<a name="line.1149"></a>
<FONT color="green">1150</FONT> public void printWarnings() {<a name="line.1150"></a>
<FONT color="green">1151</FONT> final int size = _warnings.size();<a name="line.1151"></a>
<FONT color="green">1152</FONT> if (size &gt; 0) {<a name="line.1152"></a>
<FONT color="green">1153</FONT> System.err.println(new ErrorMsg(ErrorMsg.COMPILER_WARNING_KEY));<a name="line.1153"></a>
<FONT color="green">1154</FONT> for (int i = 0; i &lt; size; i++) {<a name="line.1154"></a>
<FONT color="green">1155</FONT> System.err.println(" " + _warnings.elementAt(i));<a name="line.1155"></a>
<FONT color="green">1156</FONT> }<a name="line.1156"></a>
<FONT color="green">1157</FONT> }<a name="line.1157"></a>
<FONT color="green">1158</FONT> }<a name="line.1158"></a>
<FONT color="green">1159</FONT> <a name="line.1159"></a>
<FONT color="green">1160</FONT> /**<a name="line.1160"></a>
<FONT color="green">1161</FONT> * Common error/warning message handler<a name="line.1161"></a>
<FONT color="green">1162</FONT> */<a name="line.1162"></a>
<FONT color="green">1163</FONT> public void reportError(final int category, final ErrorMsg error) {<a name="line.1163"></a>
<FONT color="green">1164</FONT> switch (category) {<a name="line.1164"></a>
<FONT color="green">1165</FONT> case Constants.INTERNAL:<a name="line.1165"></a>
<FONT color="green">1166</FONT> // Unexpected internal errors, such as null-ptr exceptions, etc.<a name="line.1166"></a>
<FONT color="green">1167</FONT> // Immediately terminates compilation, no translet produced<a name="line.1167"></a>
<FONT color="green">1168</FONT> _errors.addElement(error);<a name="line.1168"></a>
<FONT color="green">1169</FONT> break;<a name="line.1169"></a>
<FONT color="green">1170</FONT> case Constants.UNSUPPORTED:<a name="line.1170"></a>
<FONT color="green">1171</FONT> // XSLT elements that are not implemented and unsupported ext.<a name="line.1171"></a>
<FONT color="green">1172</FONT> // Immediately terminates compilation, no translet produced<a name="line.1172"></a>
<FONT color="green">1173</FONT> _errors.addElement(error);<a name="line.1173"></a>
<FONT color="green">1174</FONT> break;<a name="line.1174"></a>
<FONT color="green">1175</FONT> case Constants.FATAL:<a name="line.1175"></a>
<FONT color="green">1176</FONT> // Fatal error in the stylesheet input (parsing or content)<a name="line.1176"></a>
<FONT color="green">1177</FONT> // Immediately terminates compilation, no translet produced<a name="line.1177"></a>
<FONT color="green">1178</FONT> _errors.addElement(error);<a name="line.1178"></a>
<FONT color="green">1179</FONT> break;<a name="line.1179"></a>
<FONT color="green">1180</FONT> case Constants.ERROR:<a name="line.1180"></a>
<FONT color="green">1181</FONT> // Other error in the stylesheet input (parsing or content)<a name="line.1181"></a>
<FONT color="green">1182</FONT> // Does not terminate compilation, no translet produced<a name="line.1182"></a>
<FONT color="green">1183</FONT> _errors.addElement(error);<a name="line.1183"></a>
<FONT color="green">1184</FONT> break;<a name="line.1184"></a>
<FONT color="green">1185</FONT> case Constants.WARNING:<a name="line.1185"></a>
<FONT color="green">1186</FONT> // Other error in the stylesheet input (content errors only)<a name="line.1186"></a>
<FONT color="green">1187</FONT> // Does not terminate compilation, a translet is produced<a name="line.1187"></a>
<FONT color="green">1188</FONT> _warnings.addElement(error);<a name="line.1188"></a>
<FONT color="green">1189</FONT> break;<a name="line.1189"></a>
<FONT color="green">1190</FONT> }<a name="line.1190"></a>
<FONT color="green">1191</FONT> }<a name="line.1191"></a>
<FONT color="green">1192</FONT> <a name="line.1192"></a>
<FONT color="green">1193</FONT> public Vector getErrors() {<a name="line.1193"></a>
<FONT color="green">1194</FONT> return _errors;<a name="line.1194"></a>
<FONT color="green">1195</FONT> }<a name="line.1195"></a>
<FONT color="green">1196</FONT> <a name="line.1196"></a>
<FONT color="green">1197</FONT> public Vector getWarnings() {<a name="line.1197"></a>
<FONT color="green">1198</FONT> return _warnings;<a name="line.1198"></a>
<FONT color="green">1199</FONT> }<a name="line.1199"></a>
<FONT color="green">1200</FONT> <a name="line.1200"></a>
<FONT color="green">1201</FONT> /************************ SAX2 ContentHandler INTERFACE *****************/<a name="line.1201"></a>
<FONT color="green">1202</FONT> <a name="line.1202"></a>
<FONT color="green">1203</FONT> private Stack _parentStack = null;<a name="line.1203"></a>
<FONT color="green">1204</FONT> private Hashtable _prefixMapping = null;<a name="line.1204"></a>
<FONT color="green">1205</FONT> <a name="line.1205"></a>
<FONT color="green">1206</FONT> /**<a name="line.1206"></a>
<FONT color="green">1207</FONT> * SAX2: Receive notification of the beginning of a document.<a name="line.1207"></a>
<FONT color="green">1208</FONT> */<a name="line.1208"></a>
<FONT color="green">1209</FONT> public void startDocument() {<a name="line.1209"></a>
<FONT color="green">1210</FONT> _root = null;<a name="line.1210"></a>
<FONT color="green">1211</FONT> _target = null;<a name="line.1211"></a>
<FONT color="green">1212</FONT> _prefixMapping = null;<a name="line.1212"></a>
<FONT color="green">1213</FONT> _parentStack = new Stack();<a name="line.1213"></a>
<FONT color="green">1214</FONT> }<a name="line.1214"></a>
<FONT color="green">1215</FONT> <a name="line.1215"></a>
<FONT color="green">1216</FONT> /**<a name="line.1216"></a>
<FONT color="green">1217</FONT> * SAX2: Receive notification of the end of a document.<a name="line.1217"></a>
<FONT color="green">1218</FONT> */<a name="line.1218"></a>
<FONT color="green">1219</FONT> public void endDocument() { }<a name="line.1219"></a>
<FONT color="green">1220</FONT> <a name="line.1220"></a>
<FONT color="green">1221</FONT> <a name="line.1221"></a>
<FONT color="green">1222</FONT> /**<a name="line.1222"></a>
<FONT color="green">1223</FONT> * SAX2: Begin the scope of a prefix-URI Namespace mapping.<a name="line.1223"></a>
<FONT color="green">1224</FONT> * This has to be passed on to the symbol table!<a name="line.1224"></a>
<FONT color="green">1225</FONT> */<a name="line.1225"></a>
<FONT color="green">1226</FONT> public void startPrefixMapping(String prefix, String uri) {<a name="line.1226"></a>
<FONT color="green">1227</FONT> if (_prefixMapping == null) {<a name="line.1227"></a>
<FONT color="green">1228</FONT> _prefixMapping = new Hashtable();<a name="line.1228"></a>
<FONT color="green">1229</FONT> }<a name="line.1229"></a>
<FONT color="green">1230</FONT> _prefixMapping.put(prefix, uri);<a name="line.1230"></a>
<FONT color="green">1231</FONT> }<a name="line.1231"></a>
<FONT color="green">1232</FONT> <a name="line.1232"></a>
<FONT color="green">1233</FONT> /**<a name="line.1233"></a>
<FONT color="green">1234</FONT> * SAX2: End the scope of a prefix-URI Namespace mapping.<a name="line.1234"></a>
<FONT color="green">1235</FONT> * This has to be passed on to the symbol table!<a name="line.1235"></a>
<FONT color="green">1236</FONT> */<a name="line.1236"></a>
<FONT color="green">1237</FONT> public void endPrefixMapping(String prefix) { }<a name="line.1237"></a>
<FONT color="green">1238</FONT> <a name="line.1238"></a>
<FONT color="green">1239</FONT> /**<a name="line.1239"></a>
<FONT color="green">1240</FONT> * SAX2: Receive notification of the beginning of an element.<a name="line.1240"></a>
<FONT color="green">1241</FONT> * The parser may re-use the attribute list that we're passed so<a name="line.1241"></a>
<FONT color="green">1242</FONT> * we clone the attributes in our own Attributes implementation<a name="line.1242"></a>
<FONT color="green">1243</FONT> */<a name="line.1243"></a>
<FONT color="green">1244</FONT> public void startElement(String uri, String localname,<a name="line.1244"></a>
<FONT color="green">1245</FONT> String qname, Attributes attributes) <a name="line.1245"></a>
<FONT color="green">1246</FONT> throws SAXException {<a name="line.1246"></a>
<FONT color="green">1247</FONT> final int col = qname.lastIndexOf(':');<a name="line.1247"></a>
<FONT color="green">1248</FONT> final String prefix = (col == -1) ? null : qname.substring(0, col);<a name="line.1248"></a>
<FONT color="green">1249</FONT> <a name="line.1249"></a>
<FONT color="green">1250</FONT> SyntaxTreeNode element = makeInstance(uri, prefix, <a name="line.1250"></a>
<FONT color="green">1251</FONT> localname, attributes);<a name="line.1251"></a>
<FONT color="green">1252</FONT> if (element == null) {<a name="line.1252"></a>
<FONT color="green">1253</FONT> ErrorMsg err = new ErrorMsg(ErrorMsg.ELEMENT_PARSE_ERR,<a name="line.1253"></a>
<FONT color="green">1254</FONT> prefix+':'+localname);<a name="line.1254"></a>
<FONT color="green">1255</FONT> throw new SAXException(err.toString());<a name="line.1255"></a>
<FONT color="green">1256</FONT> }<a name="line.1256"></a>
<FONT color="green">1257</FONT> <a name="line.1257"></a>
<FONT color="green">1258</FONT> // If this is the root element of the XML document we need to make sure<a name="line.1258"></a>
<FONT color="green">1259</FONT> // that it contains a definition of the XSL namespace URI<a name="line.1259"></a>
<FONT color="green">1260</FONT> if (_root == null) {<a name="line.1260"></a>
<FONT color="green">1261</FONT> if ((_prefixMapping == null) ||<a name="line.1261"></a>
<FONT color="green">1262</FONT> (_prefixMapping.containsValue(Constants.XSLT_URI) == false))<a name="line.1262"></a>
<FONT color="green">1263</FONT> _rootNamespaceDef = false;<a name="line.1263"></a>
<FONT color="green">1264</FONT> else<a name="line.1264"></a>
<FONT color="green">1265</FONT> _rootNamespaceDef = true;<a name="line.1265"></a>
<FONT color="green">1266</FONT> _root = element;<a name="line.1266"></a>
<FONT color="green">1267</FONT> }<a name="line.1267"></a>
<FONT color="green">1268</FONT> else {<a name="line.1268"></a>
<FONT color="green">1269</FONT> SyntaxTreeNode parent = (SyntaxTreeNode)_parentStack.peek();<a name="line.1269"></a>
<FONT color="green">1270</FONT> parent.addElement(element);<a name="line.1270"></a>
<FONT color="green">1271</FONT> element.setParent(parent);<a name="line.1271"></a>
<FONT color="green">1272</FONT> }<a name="line.1272"></a>
<FONT color="green">1273</FONT> element.setAttributes(new AttributeList(attributes));<a name="line.1273"></a>
<FONT color="green">1274</FONT> element.setPrefixMapping(_prefixMapping);<a name="line.1274"></a>
<FONT color="green">1275</FONT> <a name="line.1275"></a>
<FONT color="green">1276</FONT> if (element instanceof Stylesheet) {<a name="line.1276"></a>
<FONT color="green">1277</FONT> // Extension elements and excluded elements have to be<a name="line.1277"></a>
<FONT color="green">1278</FONT> // handled at this point in order to correctly generate<a name="line.1278"></a>
<FONT color="green">1279</FONT> // Fallback elements from &lt;xsl:fallback&gt;s.<a name="line.1279"></a>
<FONT color="green">1280</FONT> getSymbolTable().setCurrentNode(element);<a name="line.1280"></a>
<FONT color="green">1281</FONT> ((Stylesheet)element).declareExtensionPrefixes(this);<a name="line.1281"></a>
<FONT color="green">1282</FONT> }<a name="line.1282"></a>
<FONT color="green">1283</FONT> <a name="line.1283"></a>
<FONT color="green">1284</FONT> _prefixMapping = null;<a name="line.1284"></a>
<FONT color="green">1285</FONT> _parentStack.push(element);<a name="line.1285"></a>
<FONT color="green">1286</FONT> }<a name="line.1286"></a>
<FONT color="green">1287</FONT> <a name="line.1287"></a>
<FONT color="green">1288</FONT> /**<a name="line.1288"></a>
<FONT color="green">1289</FONT> * SAX2: Receive notification of the end of an element.<a name="line.1289"></a>
<FONT color="green">1290</FONT> */<a name="line.1290"></a>
<FONT color="green">1291</FONT> public void endElement(String uri, String localname, String qname) {<a name="line.1291"></a>
<FONT color="green">1292</FONT> _parentStack.pop();<a name="line.1292"></a>
<FONT color="green">1293</FONT> }<a name="line.1293"></a>
<FONT color="green">1294</FONT> <a name="line.1294"></a>
<FONT color="green">1295</FONT> /**<a name="line.1295"></a>
<FONT color="green">1296</FONT> * SAX2: Receive notification of character data.<a name="line.1296"></a>
<FONT color="green">1297</FONT> */<a name="line.1297"></a>
<FONT color="green">1298</FONT> public void characters(char[] ch, int start, int length) {<a name="line.1298"></a>
<FONT color="green">1299</FONT> String string = new String(ch, start, length);<a name="line.1299"></a>
<FONT color="green">1300</FONT> SyntaxTreeNode parent = (SyntaxTreeNode)_parentStack.peek();<a name="line.1300"></a>
<FONT color="green">1301</FONT> <a name="line.1301"></a>
<FONT color="green">1302</FONT> if (string.length() == 0) return;<a name="line.1302"></a>
<FONT color="green">1303</FONT> <a name="line.1303"></a>
<FONT color="green">1304</FONT> // If this text occurs within an &lt;xsl:text&gt; element we append it<a name="line.1304"></a>
<FONT color="green">1305</FONT> // as-is to the existing text element<a name="line.1305"></a>
<FONT color="green">1306</FONT> if (parent instanceof Text) {<a name="line.1306"></a>
<FONT color="green">1307</FONT> ((Text)parent).setText(string);<a name="line.1307"></a>
<FONT color="green">1308</FONT> return;<a name="line.1308"></a>
<FONT color="green">1309</FONT> }<a name="line.1309"></a>
<FONT color="green">1310</FONT> <a name="line.1310"></a>
<FONT color="green">1311</FONT> // Ignore text nodes that occur directly under &lt;xsl:stylesheet&gt;<a name="line.1311"></a>
<FONT color="green">1312</FONT> if (parent instanceof Stylesheet) return;<a name="line.1312"></a>
<FONT color="green">1313</FONT> <a name="line.1313"></a>
<FONT color="green">1314</FONT> SyntaxTreeNode bro = parent.lastChild();<a name="line.1314"></a>
<FONT color="green">1315</FONT> if ((bro != null) &amp;&amp; (bro instanceof Text)) {<a name="line.1315"></a>
<FONT color="green">1316</FONT> Text text = (Text)bro;<a name="line.1316"></a>
<FONT color="green">1317</FONT> if (!text.isTextElement()) {<a name="line.1317"></a>
<FONT color="green">1318</FONT> if ((length &gt; 1) || ( ((int)ch[0]) &lt; 0x100)) {<a name="line.1318"></a>
<FONT color="green">1319</FONT> text.setText(string);<a name="line.1319"></a>
<FONT color="green">1320</FONT> return;<a name="line.1320"></a>
<FONT color="green">1321</FONT> }<a name="line.1321"></a>
<FONT color="green">1322</FONT> }<a name="line.1322"></a>
<FONT color="green">1323</FONT> }<a name="line.1323"></a>
<FONT color="green">1324</FONT> <a name="line.1324"></a>
<FONT color="green">1325</FONT> // Add it as a regular text node otherwise<a name="line.1325"></a>
<FONT color="green">1326</FONT> parent.addElement(new Text(string));<a name="line.1326"></a>
<FONT color="green">1327</FONT> }<a name="line.1327"></a>
<FONT color="green">1328</FONT> <a name="line.1328"></a>
<FONT color="green">1329</FONT> private String getTokenValue(String token) {<a name="line.1329"></a>
<FONT color="green">1330</FONT> final int start = token.indexOf('"');<a name="line.1330"></a>
<FONT color="green">1331</FONT> final int stop = token.lastIndexOf('"');<a name="line.1331"></a>
<FONT color="green">1332</FONT> return token.substring(start+1, stop);<a name="line.1332"></a>
<FONT color="green">1333</FONT> }<a name="line.1333"></a>
<FONT color="green">1334</FONT> <a name="line.1334"></a>
<FONT color="green">1335</FONT> /**<a name="line.1335"></a>
<FONT color="green">1336</FONT> * SAX2: Receive notification of a processing instruction.<a name="line.1336"></a>
<FONT color="green">1337</FONT> * These require special handling for stylesheet PIs.<a name="line.1337"></a>
<FONT color="green">1338</FONT> */<a name="line.1338"></a>
<FONT color="green">1339</FONT> public void processingInstruction(String name, String value) {<a name="line.1339"></a>
<FONT color="green">1340</FONT> // We only handle the &lt;?xml-stylesheet ...?&gt; PI<a name="line.1340"></a>
<FONT color="green">1341</FONT> if ((_target == null) &amp;&amp; (name.equals("xml-stylesheet"))) {<a name="line.1341"></a>
<FONT color="green">1342</FONT> <a name="line.1342"></a>
<FONT color="green">1343</FONT> String href = null; // URI of stylesheet found<a name="line.1343"></a>
<FONT color="green">1344</FONT> String media = null; // Media of stylesheet found<a name="line.1344"></a>
<FONT color="green">1345</FONT> String title = null; // Title of stylesheet found<a name="line.1345"></a>
<FONT color="green">1346</FONT> String charset = null; // Charset of stylesheet found<a name="line.1346"></a>
<FONT color="green">1347</FONT> <a name="line.1347"></a>
<FONT color="green">1348</FONT> // Get the attributes from the processing instruction<a name="line.1348"></a>
<FONT color="green">1349</FONT> StringTokenizer tokens = new StringTokenizer(value);<a name="line.1349"></a>
<FONT color="green">1350</FONT> while (tokens.hasMoreElements()) {<a name="line.1350"></a>
<FONT color="green">1351</FONT> String token = (String)tokens.nextElement();<a name="line.1351"></a>
<FONT color="green">1352</FONT> if (token.startsWith("href"))<a name="line.1352"></a>
<FONT color="green">1353</FONT> href = getTokenValue(token);<a name="line.1353"></a>
<FONT color="green">1354</FONT> else if (token.startsWith("media"))<a name="line.1354"></a>
<FONT color="green">1355</FONT> media = getTokenValue(token);<a name="line.1355"></a>
<FONT color="green">1356</FONT> else if (token.startsWith("title"))<a name="line.1356"></a>
<FONT color="green">1357</FONT> title = getTokenValue(token);<a name="line.1357"></a>
<FONT color="green">1358</FONT> else if (token.startsWith("charset"))<a name="line.1358"></a>
<FONT color="green">1359</FONT> charset = getTokenValue(token);<a name="line.1359"></a>
<FONT color="green">1360</FONT> }<a name="line.1360"></a>
<FONT color="green">1361</FONT> <a name="line.1361"></a>
<FONT color="green">1362</FONT> // Set the target to this PI's href if the parameters are<a name="line.1362"></a>
<FONT color="green">1363</FONT> // null or match the corresponding attributes of this PI.<a name="line.1363"></a>
<FONT color="green">1364</FONT> if ( ((_PImedia == null) || (_PImedia.equals(media))) &amp;&amp;<a name="line.1364"></a>
<FONT color="green">1365</FONT> ((_PItitle == null) || (_PImedia.equals(title))) &amp;&amp;<a name="line.1365"></a>
<FONT color="green">1366</FONT> ((_PIcharset == null) || (_PImedia.equals(charset))) ) {<a name="line.1366"></a>
<FONT color="green">1367</FONT> _target = href;<a name="line.1367"></a>
<FONT color="green">1368</FONT> }<a name="line.1368"></a>
<FONT color="green">1369</FONT> }<a name="line.1369"></a>
<FONT color="green">1370</FONT> }<a name="line.1370"></a>
<FONT color="green">1371</FONT> <a name="line.1371"></a>
<FONT color="green">1372</FONT> /**<a name="line.1372"></a>
<FONT color="green">1373</FONT> * IGNORED - all ignorable whitespace is ignored<a name="line.1373"></a>
<FONT color="green">1374</FONT> */<a name="line.1374"></a>
<FONT color="green">1375</FONT> public void ignorableWhitespace(char[] ch, int start, int length) { }<a name="line.1375"></a>
<FONT color="green">1376</FONT> <a name="line.1376"></a>
<FONT color="green">1377</FONT> /**<a name="line.1377"></a>
<FONT color="green">1378</FONT> * IGNORED - we do not have to do anything with skipped entities<a name="line.1378"></a>
<FONT color="green">1379</FONT> */<a name="line.1379"></a>
<FONT color="green">1380</FONT> public void skippedEntity(String name) { }<a name="line.1380"></a>
<FONT color="green">1381</FONT> <a name="line.1381"></a>
<FONT color="green">1382</FONT> /**<a name="line.1382"></a>
<FONT color="green">1383</FONT> * Store the document locator to later retrieve line numbers of all<a name="line.1383"></a>
<FONT color="green">1384</FONT> * elements from the stylesheet<a name="line.1384"></a>
<FONT color="green">1385</FONT> */<a name="line.1385"></a>
<FONT color="green">1386</FONT> public void setDocumentLocator(Locator locator) {<a name="line.1386"></a>
<FONT color="green">1387</FONT> _locator = locator;<a name="line.1387"></a>
<FONT color="green">1388</FONT> }<a name="line.1388"></a>
<FONT color="green">1389</FONT> <a name="line.1389"></a>
<FONT color="green">1390</FONT> /**<a name="line.1390"></a>
<FONT color="green">1391</FONT> * Get the line number, or zero<a name="line.1391"></a>
<FONT color="green">1392</FONT> * if there is no _locator.<a name="line.1392"></a>
<FONT color="green">1393</FONT> */<a name="line.1393"></a>
<FONT color="green">1394</FONT> private int getLineNumber() {<a name="line.1394"></a>
<FONT color="green">1395</FONT> int line = 0;<a name="line.1395"></a>
<FONT color="green">1396</FONT> if (_locator != null)<a name="line.1396"></a>
<FONT color="green">1397</FONT> line = _locator.getLineNumber();<a name="line.1397"></a>
<FONT color="green">1398</FONT> return line;<a name="line.1398"></a>
<FONT color="green">1399</FONT> }<a name="line.1399"></a>
<FONT color="green">1400</FONT> <a name="line.1400"></a>
<FONT color="green">1401</FONT> }<a name="line.1401"></a>
</PRE>
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