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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: XPathParser.java 468655 2006-10-28 07:12:06Z minchau $<a name="line.19"></a> |
| <FONT color="green">020</FONT> */<a name="line.20"></a> |
| <FONT color="green">021</FONT> package org.apache.xpath.compiler;<a name="line.21"></a> |
| <FONT color="green">022</FONT> <a name="line.22"></a> |
| <FONT color="green">023</FONT> import javax.xml.transform.ErrorListener;<a name="line.23"></a> |
| <FONT color="green">024</FONT> import javax.xml.transform.TransformerException;<a name="line.24"></a> |
| <FONT color="green">025</FONT> <a name="line.25"></a> |
| <FONT color="green">026</FONT> import org.apache.xalan.res.XSLMessages;<a name="line.26"></a> |
| <FONT color="green">027</FONT> import org.apache.xml.utils.PrefixResolver;<a name="line.27"></a> |
| <FONT color="green">028</FONT> import org.apache.xpath.XPathProcessorException;<a name="line.28"></a> |
| <FONT color="green">029</FONT> import org.apache.xpath.domapi.XPathStylesheetDOM3Exception;<a name="line.29"></a> |
| <FONT color="green">030</FONT> import org.apache.xpath.objects.XNumber;<a name="line.30"></a> |
| <FONT color="green">031</FONT> import org.apache.xpath.objects.XString;<a name="line.31"></a> |
| <FONT color="green">032</FONT> import org.apache.xpath.res.XPATHErrorResources;<a name="line.32"></a> |
| <FONT color="green">033</FONT> <a name="line.33"></a> |
| <FONT color="green">034</FONT> /**<a name="line.34"></a> |
| <FONT color="green">035</FONT> * Tokenizes and parses XPath expressions. This should really be named<a name="line.35"></a> |
| <FONT color="green">036</FONT> * XPathParserImpl, and may be renamed in the future.<a name="line.36"></a> |
| <FONT color="green">037</FONT> * @xsl.usage general<a name="line.37"></a> |
| <FONT color="green">038</FONT> */<a name="line.38"></a> |
| <FONT color="green">039</FONT> public class XPathParser<a name="line.39"></a> |
| <FONT color="green">040</FONT> {<a name="line.40"></a> |
| <FONT color="green">041</FONT> // %REVIEW% Is there a better way of doing this?<a name="line.41"></a> |
| <FONT color="green">042</FONT> // Upside is minimum object churn. Downside is that we don't have a useful<a name="line.42"></a> |
| <FONT color="green">043</FONT> // backtrace in the exception itself -- but we don't expect to need one.<a name="line.43"></a> |
| <FONT color="green">044</FONT> static public final String CONTINUE_AFTER_FATAL_ERROR="CONTINUE_AFTER_FATAL_ERROR";<a name="line.44"></a> |
| <FONT color="green">045</FONT> <a name="line.45"></a> |
| <FONT color="green">046</FONT> /**<a name="line.46"></a> |
| <FONT color="green">047</FONT> * The XPath to be processed.<a name="line.47"></a> |
| <FONT color="green">048</FONT> */<a name="line.48"></a> |
| <FONT color="green">049</FONT> private OpMap m_ops;<a name="line.49"></a> |
| <FONT color="green">050</FONT> <a name="line.50"></a> |
| <FONT color="green">051</FONT> /**<a name="line.51"></a> |
| <FONT color="green">052</FONT> * The next token in the pattern.<a name="line.52"></a> |
| <FONT color="green">053</FONT> */<a name="line.53"></a> |
| <FONT color="green">054</FONT> transient String m_token;<a name="line.54"></a> |
| <FONT color="green">055</FONT> <a name="line.55"></a> |
| <FONT color="green">056</FONT> /**<a name="line.56"></a> |
| <FONT color="green">057</FONT> * The first char in m_token, the theory being that this<a name="line.57"></a> |
| <FONT color="green">058</FONT> * is an optimization because we won't have to do charAt(0) as<a name="line.58"></a> |
| <FONT color="green">059</FONT> * often.<a name="line.59"></a> |
| <FONT color="green">060</FONT> */<a name="line.60"></a> |
| <FONT color="green">061</FONT> transient char m_tokenChar = 0;<a name="line.61"></a> |
| <FONT color="green">062</FONT> <a name="line.62"></a> |
| <FONT color="green">063</FONT> /**<a name="line.63"></a> |
| <FONT color="green">064</FONT> * The position in the token queue is tracked by m_queueMark.<a name="line.64"></a> |
| <FONT color="green">065</FONT> */<a name="line.65"></a> |
| <FONT color="green">066</FONT> int m_queueMark = 0;<a name="line.66"></a> |
| <FONT color="green">067</FONT> <a name="line.67"></a> |
| <FONT color="green">068</FONT> /**<a name="line.68"></a> |
| <FONT color="green">069</FONT> * Results from checking FilterExpr syntax<a name="line.69"></a> |
| <FONT color="green">070</FONT> */<a name="line.70"></a> |
| <FONT color="green">071</FONT> protected final static int FILTER_MATCH_FAILED = 0;<a name="line.71"></a> |
| <FONT color="green">072</FONT> protected final static int FILTER_MATCH_PRIMARY = 1;<a name="line.72"></a> |
| <FONT color="green">073</FONT> protected final static int FILTER_MATCH_PREDICATES = 2;<a name="line.73"></a> |
| <FONT color="green">074</FONT> <a name="line.74"></a> |
| <FONT color="green">075</FONT> /**<a name="line.75"></a> |
| <FONT color="green">076</FONT> * The parser constructor.<a name="line.76"></a> |
| <FONT color="green">077</FONT> */<a name="line.77"></a> |
| <FONT color="green">078</FONT> public XPathParser(ErrorListener errorListener, javax.xml.transform.SourceLocator sourceLocator)<a name="line.78"></a> |
| <FONT color="green">079</FONT> {<a name="line.79"></a> |
| <FONT color="green">080</FONT> m_errorListener = errorListener;<a name="line.80"></a> |
| <FONT color="green">081</FONT> m_sourceLocator = sourceLocator;<a name="line.81"></a> |
| <FONT color="green">082</FONT> }<a name="line.82"></a> |
| <FONT color="green">083</FONT> <a name="line.83"></a> |
| <FONT color="green">084</FONT> /**<a name="line.84"></a> |
| <FONT color="green">085</FONT> * The prefix resolver to map prefixes to namespaces in the OpMap.<a name="line.85"></a> |
| <FONT color="green">086</FONT> */<a name="line.86"></a> |
| <FONT color="green">087</FONT> PrefixResolver m_namespaceContext;<a name="line.87"></a> |
| <FONT color="green">088</FONT> <a name="line.88"></a> |
| <FONT color="green">089</FONT> /**<a name="line.89"></a> |
| <FONT color="green">090</FONT> * Given an string, init an XPath object for selections,<a name="line.90"></a> |
| <FONT color="green">091</FONT> * in order that a parse doesn't<a name="line.91"></a> |
| <FONT color="green">092</FONT> * have to be done each time the expression is evaluated.<a name="line.92"></a> |
| <FONT color="green">093</FONT> * <a name="line.93"></a> |
| <FONT color="green">094</FONT> * @param compiler The compiler object.<a name="line.94"></a> |
| <FONT color="green">095</FONT> * @param expression A string conforming to the XPath grammar.<a name="line.95"></a> |
| <FONT color="green">096</FONT> * @param namespaceContext An object that is able to resolve prefixes in<a name="line.96"></a> |
| <FONT color="green">097</FONT> * the XPath to namespaces.<a name="line.97"></a> |
| <FONT color="green">098</FONT> *<a name="line.98"></a> |
| <FONT color="green">099</FONT> * @throws javax.xml.transform.TransformerException<a name="line.99"></a> |
| <FONT color="green">100</FONT> */<a name="line.100"></a> |
| <FONT color="green">101</FONT> public void initXPath(<a name="line.101"></a> |
| <FONT color="green">102</FONT> Compiler compiler, String expression, PrefixResolver namespaceContext)<a name="line.102"></a> |
| <FONT color="green">103</FONT> throws javax.xml.transform.TransformerException<a name="line.103"></a> |
| <FONT color="green">104</FONT> {<a name="line.104"></a> |
| <FONT color="green">105</FONT> <a name="line.105"></a> |
| <FONT color="green">106</FONT> m_ops = compiler;<a name="line.106"></a> |
| <FONT color="green">107</FONT> m_namespaceContext = namespaceContext;<a name="line.107"></a> |
| <FONT color="green">108</FONT> m_functionTable = compiler.getFunctionTable();<a name="line.108"></a> |
| <FONT color="green">109</FONT> <a name="line.109"></a> |
| <FONT color="green">110</FONT> Lexer lexer = new Lexer(compiler, namespaceContext, this);<a name="line.110"></a> |
| <FONT color="green">111</FONT> <a name="line.111"></a> |
| <FONT color="green">112</FONT> lexer.tokenize(expression);<a name="line.112"></a> |
| <FONT color="green">113</FONT> <a name="line.113"></a> |
| <FONT color="green">114</FONT> m_ops.setOp(0,OpCodes.OP_XPATH);<a name="line.114"></a> |
| <FONT color="green">115</FONT> m_ops.setOp(OpMap.MAPINDEX_LENGTH,2);<a name="line.115"></a> |
| <FONT color="green">116</FONT> <a name="line.116"></a> |
| <FONT color="green">117</FONT> <a name="line.117"></a> |
| <FONT color="green">118</FONT> // Patch for Christine's gripe. She wants her errorHandler to return from<a name="line.118"></a> |
| <FONT color="green">119</FONT> // a fatal error and continue trying to parse, rather than throwing an exception.<a name="line.119"></a> |
| <FONT color="green">120</FONT> // Without the patch, that put us into an endless loop.<a name="line.120"></a> |
| <FONT color="green">121</FONT> //<a name="line.121"></a> |
| <FONT color="green">122</FONT> // %REVIEW% Is there a better way of doing this?<a name="line.122"></a> |
| <FONT color="green">123</FONT> // %REVIEW% Are there any other cases which need the safety net?<a name="line.123"></a> |
| <FONT color="green">124</FONT> // (and if so do we care right now, or should we rewrite the XPath<a name="line.124"></a> |
| <FONT color="green">125</FONT> // grammar engine and can fix it at that time?)<a name="line.125"></a> |
| <FONT color="green">126</FONT> try {<a name="line.126"></a> |
| <FONT color="green">127</FONT> <a name="line.127"></a> |
| <FONT color="green">128</FONT> nextToken();<a name="line.128"></a> |
| <FONT color="green">129</FONT> Expr();<a name="line.129"></a> |
| <FONT color="green">130</FONT> <a name="line.130"></a> |
| <FONT color="green">131</FONT> if (null != m_token)<a name="line.131"></a> |
| <FONT color="green">132</FONT> {<a name="line.132"></a> |
| <FONT color="green">133</FONT> String extraTokens = "";<a name="line.133"></a> |
| <FONT color="green">134</FONT> <a name="line.134"></a> |
| <FONT color="green">135</FONT> while (null != m_token)<a name="line.135"></a> |
| <FONT color="green">136</FONT> {<a name="line.136"></a> |
| <FONT color="green">137</FONT> extraTokens += "'" + m_token + "'";<a name="line.137"></a> |
| <FONT color="green">138</FONT> <a name="line.138"></a> |
| <FONT color="green">139</FONT> nextToken();<a name="line.139"></a> |
| <FONT color="green">140</FONT> <a name="line.140"></a> |
| <FONT color="green">141</FONT> if (null != m_token)<a name="line.141"></a> |
| <FONT color="green">142</FONT> extraTokens += ", ";<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> error(XPATHErrorResources.ER_EXTRA_ILLEGAL_TOKENS,<a name="line.145"></a> |
| <FONT color="green">146</FONT> new Object[]{ extraTokens }); //"Extra illegal tokens: "+extraTokens);<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> } <a name="line.149"></a> |
| <FONT color="green">150</FONT> catch (org.apache.xpath.XPathProcessorException e)<a name="line.150"></a> |
| <FONT color="green">151</FONT> {<a name="line.151"></a> |
| <FONT color="green">152</FONT> if(CONTINUE_AFTER_FATAL_ERROR.equals(e.getMessage()))<a name="line.152"></a> |
| <FONT color="green">153</FONT> {<a name="line.153"></a> |
| <FONT color="green">154</FONT> // What I _want_ to do is null out this XPath.<a name="line.154"></a> |
| <FONT color="green">155</FONT> // I doubt this has the desired effect, but I'm not sure what else to do.<a name="line.155"></a> |
| <FONT color="green">156</FONT> // %REVIEW%!!!<a name="line.156"></a> |
| <FONT color="green">157</FONT> initXPath(compiler, "/..", namespaceContext);<a name="line.157"></a> |
| <FONT color="green">158</FONT> }<a name="line.158"></a> |
| <FONT color="green">159</FONT> else<a name="line.159"></a> |
| <FONT color="green">160</FONT> throw e;<a name="line.160"></a> |
| <FONT color="green">161</FONT> }<a name="line.161"></a> |
| <FONT color="green">162</FONT> <a name="line.162"></a> |
| <FONT color="green">163</FONT> compiler.shrink();<a name="line.163"></a> |
| <FONT color="green">164</FONT> }<a name="line.164"></a> |
| <FONT color="green">165</FONT> <a name="line.165"></a> |
| <FONT color="green">166</FONT> /**<a name="line.166"></a> |
| <FONT color="green">167</FONT> * Given an string, init an XPath object for pattern matches,<a name="line.167"></a> |
| <FONT color="green">168</FONT> * in order that a parse doesn't<a name="line.168"></a> |
| <FONT color="green">169</FONT> * have to be done each time the expression is evaluated.<a name="line.169"></a> |
| <FONT color="green">170</FONT> * @param compiler The XPath object to be initialized.<a name="line.170"></a> |
| <FONT color="green">171</FONT> * @param expression A String representing the XPath.<a name="line.171"></a> |
| <FONT color="green">172</FONT> * @param namespaceContext An object that is able to resolve prefixes in<a name="line.172"></a> |
| <FONT color="green">173</FONT> * the XPath to namespaces.<a name="line.173"></a> |
| <FONT color="green">174</FONT> *<a name="line.174"></a> |
| <FONT color="green">175</FONT> * @throws javax.xml.transform.TransformerException<a name="line.175"></a> |
| <FONT color="green">176</FONT> */<a name="line.176"></a> |
| <FONT color="green">177</FONT> public void initMatchPattern(<a name="line.177"></a> |
| <FONT color="green">178</FONT> Compiler compiler, String expression, PrefixResolver namespaceContext)<a name="line.178"></a> |
| <FONT color="green">179</FONT> throws javax.xml.transform.TransformerException<a name="line.179"></a> |
| <FONT color="green">180</FONT> {<a name="line.180"></a> |
| <FONT color="green">181</FONT> <a name="line.181"></a> |
| <FONT color="green">182</FONT> m_ops = compiler;<a name="line.182"></a> |
| <FONT color="green">183</FONT> m_namespaceContext = namespaceContext;<a name="line.183"></a> |
| <FONT color="green">184</FONT> m_functionTable = compiler.getFunctionTable();<a name="line.184"></a> |
| <FONT color="green">185</FONT> <a name="line.185"></a> |
| <FONT color="green">186</FONT> Lexer lexer = new Lexer(compiler, namespaceContext, this);<a name="line.186"></a> |
| <FONT color="green">187</FONT> <a name="line.187"></a> |
| <FONT color="green">188</FONT> lexer.tokenize(expression);<a name="line.188"></a> |
| <FONT color="green">189</FONT> <a name="line.189"></a> |
| <FONT color="green">190</FONT> m_ops.setOp(0, OpCodes.OP_MATCHPATTERN);<a name="line.190"></a> |
| <FONT color="green">191</FONT> m_ops.setOp(OpMap.MAPINDEX_LENGTH, 2);<a name="line.191"></a> |
| <FONT color="green">192</FONT> <a name="line.192"></a> |
| <FONT color="green">193</FONT> nextToken();<a name="line.193"></a> |
| <FONT color="green">194</FONT> Pattern();<a name="line.194"></a> |
| <FONT color="green">195</FONT> <a name="line.195"></a> |
| <FONT color="green">196</FONT> if (null != m_token)<a name="line.196"></a> |
| <FONT color="green">197</FONT> {<a name="line.197"></a> |
| <FONT color="green">198</FONT> String extraTokens = "";<a name="line.198"></a> |
| <FONT color="green">199</FONT> <a name="line.199"></a> |
| <FONT color="green">200</FONT> while (null != m_token)<a name="line.200"></a> |
| <FONT color="green">201</FONT> {<a name="line.201"></a> |
| <FONT color="green">202</FONT> extraTokens += "'" + m_token + "'";<a name="line.202"></a> |
| <FONT color="green">203</FONT> <a name="line.203"></a> |
| <FONT color="green">204</FONT> nextToken();<a name="line.204"></a> |
| <FONT color="green">205</FONT> <a name="line.205"></a> |
| <FONT color="green">206</FONT> if (null != m_token)<a name="line.206"></a> |
| <FONT color="green">207</FONT> extraTokens += ", ";<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> error(XPATHErrorResources.ER_EXTRA_ILLEGAL_TOKENS,<a name="line.210"></a> |
| <FONT color="green">211</FONT> new Object[]{ extraTokens }); //"Extra illegal tokens: "+extraTokens);<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> // Terminate for safety.<a name="line.214"></a> |
| <FONT color="green">215</FONT> m_ops.setOp(m_ops.getOp(OpMap.MAPINDEX_LENGTH), OpCodes.ENDOP);<a name="line.215"></a> |
| <FONT color="green">216</FONT> m_ops.setOp(OpMap.MAPINDEX_LENGTH, m_ops.getOp(OpMap.MAPINDEX_LENGTH)+1);<a name="line.216"></a> |
| <FONT color="green">217</FONT> <a name="line.217"></a> |
| <FONT color="green">218</FONT> m_ops.shrink();<a name="line.218"></a> |
| <FONT color="green">219</FONT> }<a name="line.219"></a> |
| <FONT color="green">220</FONT> <a name="line.220"></a> |
| <FONT color="green">221</FONT> /** The error listener where syntax errors are to be sent.<a name="line.221"></a> |
| <FONT color="green">222</FONT> */<a name="line.222"></a> |
| <FONT color="green">223</FONT> private ErrorListener m_errorListener;<a name="line.223"></a> |
| <FONT color="green">224</FONT> <a name="line.224"></a> |
| <FONT color="green">225</FONT> /** The source location of the XPath. */<a name="line.225"></a> |
| <FONT color="green">226</FONT> javax.xml.transform.SourceLocator m_sourceLocator;<a name="line.226"></a> |
| <FONT color="green">227</FONT> <a name="line.227"></a> |
| <FONT color="green">228</FONT> /** The table contains build-in functions and customized functions */<a name="line.228"></a> |
| <FONT color="green">229</FONT> private FunctionTable m_functionTable;<a name="line.229"></a> |
| <FONT color="green">230</FONT> <a name="line.230"></a> |
| <FONT color="green">231</FONT> /**<a name="line.231"></a> |
| <FONT color="green">232</FONT> * Allow an application to register an error event handler, where syntax <a name="line.232"></a> |
| <FONT color="green">233</FONT> * errors will be sent. If the error listener is not set, syntax errors <a name="line.233"></a> |
| <FONT color="green">234</FONT> * will be sent to System.err.<a name="line.234"></a> |
| <FONT color="green">235</FONT> * <a name="line.235"></a> |
| <FONT color="green">236</FONT> * @param handler Reference to error listener where syntax errors will be <a name="line.236"></a> |
| <FONT color="green">237</FONT> * sent.<a name="line.237"></a> |
| <FONT color="green">238</FONT> */<a name="line.238"></a> |
| <FONT color="green">239</FONT> public void setErrorHandler(ErrorListener handler)<a name="line.239"></a> |
| <FONT color="green">240</FONT> {<a name="line.240"></a> |
| <FONT color="green">241</FONT> m_errorListener = handler;<a name="line.241"></a> |
| <FONT color="green">242</FONT> }<a name="line.242"></a> |
| <FONT color="green">243</FONT> <a name="line.243"></a> |
| <FONT color="green">244</FONT> /**<a name="line.244"></a> |
| <FONT color="green">245</FONT> * Return the current error listener.<a name="line.245"></a> |
| <FONT color="green">246</FONT> *<a name="line.246"></a> |
| <FONT color="green">247</FONT> * @return The error listener, which should not normally be null, but may be.<a name="line.247"></a> |
| <FONT color="green">248</FONT> */<a name="line.248"></a> |
| <FONT color="green">249</FONT> public ErrorListener getErrorListener()<a name="line.249"></a> |
| <FONT color="green">250</FONT> {<a name="line.250"></a> |
| <FONT color="green">251</FONT> return m_errorListener;<a name="line.251"></a> |
| <FONT color="green">252</FONT> }<a name="line.252"></a> |
| <FONT color="green">253</FONT> <a name="line.253"></a> |
| <FONT color="green">254</FONT> /**<a name="line.254"></a> |
| <FONT color="green">255</FONT> * Check whether m_token matches the target string. <a name="line.255"></a> |
| <FONT color="green">256</FONT> *<a name="line.256"></a> |
| <FONT color="green">257</FONT> * @param s A string reference or null.<a name="line.257"></a> |
| <FONT color="green">258</FONT> *<a name="line.258"></a> |
| <FONT color="green">259</FONT> * @return If m_token is null, returns false (or true if s is also null), or <a name="line.259"></a> |
| <FONT color="green">260</FONT> * return true if the current token matches the string, else false.<a name="line.260"></a> |
| <FONT color="green">261</FONT> */<a name="line.261"></a> |
| <FONT color="green">262</FONT> final boolean tokenIs(String s)<a name="line.262"></a> |
| <FONT color="green">263</FONT> {<a name="line.263"></a> |
| <FONT color="green">264</FONT> return (m_token != null) ? (m_token.equals(s)) : (s == null);<a name="line.264"></a> |
| <FONT color="green">265</FONT> }<a name="line.265"></a> |
| <FONT color="green">266</FONT> <a name="line.266"></a> |
| <FONT color="green">267</FONT> /**<a name="line.267"></a> |
| <FONT color="green">268</FONT> * Check whether m_tokenChar==c. <a name="line.268"></a> |
| <FONT color="green">269</FONT> *<a name="line.269"></a> |
| <FONT color="green">270</FONT> * @param c A character to be tested.<a name="line.270"></a> |
| <FONT color="green">271</FONT> *<a name="line.271"></a> |
| <FONT color="green">272</FONT> * @return If m_token is null, returns false, or return true if c matches <a name="line.272"></a> |
| <FONT color="green">273</FONT> * the current token.<a name="line.273"></a> |
| <FONT color="green">274</FONT> */<a name="line.274"></a> |
| <FONT color="green">275</FONT> final boolean tokenIs(char c)<a name="line.275"></a> |
| <FONT color="green">276</FONT> {<a name="line.276"></a> |
| <FONT color="green">277</FONT> return (m_token != null) ? (m_tokenChar == c) : false;<a name="line.277"></a> |
| <FONT color="green">278</FONT> }<a name="line.278"></a> |
| <FONT color="green">279</FONT> <a name="line.279"></a> |
| <FONT color="green">280</FONT> /**<a name="line.280"></a> |
| <FONT color="green">281</FONT> * Look ahead of the current token in order to<a name="line.281"></a> |
| <FONT color="green">282</FONT> * make a branching decision.<a name="line.282"></a> |
| <FONT color="green">283</FONT> *<a name="line.283"></a> |
| <FONT color="green">284</FONT> * @param c the character to be tested for.<a name="line.284"></a> |
| <FONT color="green">285</FONT> * @param n number of tokens to look ahead. Must be<a name="line.285"></a> |
| <FONT color="green">286</FONT> * greater than 1.<a name="line.286"></a> |
| <FONT color="green">287</FONT> *<a name="line.287"></a> |
| <FONT color="green">288</FONT> * @return true if the next token matches the character argument.<a name="line.288"></a> |
| <FONT color="green">289</FONT> */<a name="line.289"></a> |
| <FONT color="green">290</FONT> final boolean lookahead(char c, int n)<a name="line.290"></a> |
| <FONT color="green">291</FONT> {<a name="line.291"></a> |
| <FONT color="green">292</FONT> <a name="line.292"></a> |
| <FONT color="green">293</FONT> int pos = (m_queueMark + n);<a name="line.293"></a> |
| <FONT color="green">294</FONT> boolean b;<a name="line.294"></a> |
| <FONT color="green">295</FONT> <a name="line.295"></a> |
| <FONT color="green">296</FONT> if ((pos <= m_ops.getTokenQueueSize()) && (pos > 0)<a name="line.296"></a> |
| <FONT color="green">297</FONT> && (m_ops.getTokenQueueSize() != 0))<a name="line.297"></a> |
| <FONT color="green">298</FONT> {<a name="line.298"></a> |
| <FONT color="green">299</FONT> String tok = ((String) m_ops.m_tokenQueue.elementAt(pos - 1));<a name="line.299"></a> |
| <FONT color="green">300</FONT> <a name="line.300"></a> |
| <FONT color="green">301</FONT> b = (tok.length() == 1) ? (tok.charAt(0) == c) : false;<a name="line.301"></a> |
| <FONT color="green">302</FONT> }<a name="line.302"></a> |
| <FONT color="green">303</FONT> else<a name="line.303"></a> |
| <FONT color="green">304</FONT> {<a name="line.304"></a> |
| <FONT color="green">305</FONT> b = false;<a name="line.305"></a> |
| <FONT color="green">306</FONT> }<a name="line.306"></a> |
| <FONT color="green">307</FONT> <a name="line.307"></a> |
| <FONT color="green">308</FONT> return b;<a name="line.308"></a> |
| <FONT color="green">309</FONT> }<a name="line.309"></a> |
| <FONT color="green">310</FONT> <a name="line.310"></a> |
| <FONT color="green">311</FONT> /**<a name="line.311"></a> |
| <FONT color="green">312</FONT> * Look behind the first character of the current token in order to<a name="line.312"></a> |
| <FONT color="green">313</FONT> * make a branching decision.<a name="line.313"></a> |
| <FONT color="green">314</FONT> * <a name="line.314"></a> |
| <FONT color="green">315</FONT> * @param c the character to compare it to.<a name="line.315"></a> |
| <FONT color="green">316</FONT> * @param n number of tokens to look behind. Must be<a name="line.316"></a> |
| <FONT color="green">317</FONT> * greater than 1. Note that the look behind terminates<a name="line.317"></a> |
| <FONT color="green">318</FONT> * at either the beginning of the string or on a '|'<a name="line.318"></a> |
| <FONT color="green">319</FONT> * character. Because of this, this method should only<a name="line.319"></a> |
| <FONT color="green">320</FONT> * be used for pattern matching.<a name="line.320"></a> |
| <FONT color="green">321</FONT> *<a name="line.321"></a> |
| <FONT color="green">322</FONT> * @return true if the token behind the current token matches the character <a name="line.322"></a> |
| <FONT color="green">323</FONT> * argument.<a name="line.323"></a> |
| <FONT color="green">324</FONT> */<a name="line.324"></a> |
| <FONT color="green">325</FONT> private final boolean lookbehind(char c, int n)<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> boolean isToken;<a name="line.328"></a> |
| <FONT color="green">329</FONT> int lookBehindPos = m_queueMark - (n + 1);<a name="line.329"></a> |
| <FONT color="green">330</FONT> <a name="line.330"></a> |
| <FONT color="green">331</FONT> if (lookBehindPos >= 0)<a name="line.331"></a> |
| <FONT color="green">332</FONT> {<a name="line.332"></a> |
| <FONT color="green">333</FONT> String lookbehind = (String) m_ops.m_tokenQueue.elementAt(lookBehindPos);<a name="line.333"></a> |
| <FONT color="green">334</FONT> <a name="line.334"></a> |
| <FONT color="green">335</FONT> if (lookbehind.length() == 1)<a name="line.335"></a> |
| <FONT color="green">336</FONT> {<a name="line.336"></a> |
| <FONT color="green">337</FONT> char c0 = (lookbehind == null) ? '|' : lookbehind.charAt(0);<a name="line.337"></a> |
| <FONT color="green">338</FONT> <a name="line.338"></a> |
| <FONT color="green">339</FONT> isToken = (c0 == '|') ? false : (c0 == c);<a name="line.339"></a> |
| <FONT color="green">340</FONT> }<a name="line.340"></a> |
| <FONT color="green">341</FONT> else<a name="line.341"></a> |
| <FONT color="green">342</FONT> {<a name="line.342"></a> |
| <FONT color="green">343</FONT> isToken = false;<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> else<a name="line.346"></a> |
| <FONT color="green">347</FONT> {<a name="line.347"></a> |
| <FONT color="green">348</FONT> isToken = false;<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> return isToken;<a name="line.351"></a> |
| <FONT color="green">352</FONT> }<a name="line.352"></a> |
| <FONT color="green">353</FONT> <a name="line.353"></a> |
| <FONT color="green">354</FONT> /**<a name="line.354"></a> |
| <FONT color="green">355</FONT> * look behind the current token in order to<a name="line.355"></a> |
| <FONT color="green">356</FONT> * see if there is a useable token.<a name="line.356"></a> |
| <FONT color="green">357</FONT> * <a name="line.357"></a> |
| <FONT color="green">358</FONT> * @param n number of tokens to look behind. Must be<a name="line.358"></a> |
| <FONT color="green">359</FONT> * greater than 1. Note that the look behind terminates<a name="line.359"></a> |
| <FONT color="green">360</FONT> * at either the beginning of the string or on a '|'<a name="line.360"></a> |
| <FONT color="green">361</FONT> * character. Because of this, this method should only<a name="line.361"></a> |
| <FONT color="green">362</FONT> * be used for pattern matching.<a name="line.362"></a> |
| <FONT color="green">363</FONT> * <a name="line.363"></a> |
| <FONT color="green">364</FONT> * @return true if look behind has a token, false otherwise.<a name="line.364"></a> |
| <FONT color="green">365</FONT> */<a name="line.365"></a> |
| <FONT color="green">366</FONT> private final boolean lookbehindHasToken(int n)<a name="line.366"></a> |
| <FONT color="green">367</FONT> {<a name="line.367"></a> |
| <FONT color="green">368</FONT> <a name="line.368"></a> |
| <FONT color="green">369</FONT> boolean hasToken;<a name="line.369"></a> |
| <FONT color="green">370</FONT> <a name="line.370"></a> |
| <FONT color="green">371</FONT> if ((m_queueMark - n) > 0)<a name="line.371"></a> |
| <FONT color="green">372</FONT> {<a name="line.372"></a> |
| <FONT color="green">373</FONT> String lookbehind = (String) m_ops.m_tokenQueue.elementAt(m_queueMark - (n - 1));<a name="line.373"></a> |
| <FONT color="green">374</FONT> char c0 = (lookbehind == null) ? '|' : lookbehind.charAt(0);<a name="line.374"></a> |
| <FONT color="green">375</FONT> <a name="line.375"></a> |
| <FONT color="green">376</FONT> hasToken = (c0 == '|') ? false : true;<a name="line.376"></a> |
| <FONT color="green">377</FONT> }<a name="line.377"></a> |
| <FONT color="green">378</FONT> else<a name="line.378"></a> |
| <FONT color="green">379</FONT> {<a name="line.379"></a> |
| <FONT color="green">380</FONT> hasToken = false;<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> return hasToken;<a name="line.383"></a> |
| <FONT color="green">384</FONT> }<a name="line.384"></a> |
| <FONT color="green">385</FONT> <a name="line.385"></a> |
| <FONT color="green">386</FONT> /**<a name="line.386"></a> |
| <FONT color="green">387</FONT> * Look ahead of the current token in order to<a name="line.387"></a> |
| <FONT color="green">388</FONT> * make a branching decision.<a name="line.388"></a> |
| <FONT color="green">389</FONT> * <a name="line.389"></a> |
| <FONT color="green">390</FONT> * @param s the string to compare it to.<a name="line.390"></a> |
| <FONT color="green">391</FONT> * @param n number of tokens to lookahead. Must be<a name="line.391"></a> |
| <FONT color="green">392</FONT> * greater than 1.<a name="line.392"></a> |
| <FONT color="green">393</FONT> *<a name="line.393"></a> |
| <FONT color="green">394</FONT> * @return true if the token behind the current token matches the string <a name="line.394"></a> |
| <FONT color="green">395</FONT> * argument.<a name="line.395"></a> |
| <FONT color="green">396</FONT> */<a name="line.396"></a> |
| <FONT color="green">397</FONT> private final boolean lookahead(String s, int n)<a name="line.397"></a> |
| <FONT color="green">398</FONT> {<a name="line.398"></a> |
| <FONT color="green">399</FONT> <a name="line.399"></a> |
| <FONT color="green">400</FONT> boolean isToken;<a name="line.400"></a> |
| <FONT color="green">401</FONT> <a name="line.401"></a> |
| <FONT color="green">402</FONT> if ((m_queueMark + n) <= m_ops.getTokenQueueSize())<a name="line.402"></a> |
| <FONT color="green">403</FONT> {<a name="line.403"></a> |
| <FONT color="green">404</FONT> String lookahead = (String) m_ops.m_tokenQueue.elementAt(m_queueMark + (n - 1));<a name="line.404"></a> |
| <FONT color="green">405</FONT> <a name="line.405"></a> |
| <FONT color="green">406</FONT> isToken = (lookahead != null) ? lookahead.equals(s) : (s == null);<a name="line.406"></a> |
| <FONT color="green">407</FONT> }<a name="line.407"></a> |
| <FONT color="green">408</FONT> else<a name="line.408"></a> |
| <FONT color="green">409</FONT> {<a name="line.409"></a> |
| <FONT color="green">410</FONT> isToken = (null == s);<a name="line.410"></a> |
| <FONT color="green">411</FONT> }<a name="line.411"></a> |
| <FONT color="green">412</FONT> <a name="line.412"></a> |
| <FONT color="green">413</FONT> return isToken;<a name="line.413"></a> |
| <FONT color="green">414</FONT> }<a name="line.414"></a> |
| <FONT color="green">415</FONT> <a name="line.415"></a> |
| <FONT color="green">416</FONT> /**<a name="line.416"></a> |
| <FONT color="green">417</FONT> * Retrieve the next token from the command and<a name="line.417"></a> |
| <FONT color="green">418</FONT> * store it in m_token string.<a name="line.418"></a> |
| <FONT color="green">419</FONT> */<a name="line.419"></a> |
| <FONT color="green">420</FONT> private final void nextToken()<a name="line.420"></a> |
| <FONT color="green">421</FONT> {<a name="line.421"></a> |
| <FONT color="green">422</FONT> <a name="line.422"></a> |
| <FONT color="green">423</FONT> if (m_queueMark < m_ops.getTokenQueueSize())<a name="line.423"></a> |
| <FONT color="green">424</FONT> {<a name="line.424"></a> |
| <FONT color="green">425</FONT> m_token = (String) m_ops.m_tokenQueue.elementAt(m_queueMark++);<a name="line.425"></a> |
| <FONT color="green">426</FONT> m_tokenChar = m_token.charAt(0);<a name="line.426"></a> |
| <FONT color="green">427</FONT> }<a name="line.427"></a> |
| <FONT color="green">428</FONT> else<a name="line.428"></a> |
| <FONT color="green">429</FONT> {<a name="line.429"></a> |
| <FONT color="green">430</FONT> m_token = null;<a name="line.430"></a> |
| <FONT color="green">431</FONT> m_tokenChar = 0;<a name="line.431"></a> |
| <FONT color="green">432</FONT> }<a name="line.432"></a> |
| <FONT color="green">433</FONT> }<a name="line.433"></a> |
| <FONT color="green">434</FONT> <a name="line.434"></a> |
| <FONT color="green">435</FONT> /**<a name="line.435"></a> |
| <FONT color="green">436</FONT> * Retrieve a token relative to the current token.<a name="line.436"></a> |
| <FONT color="green">437</FONT> * <a name="line.437"></a> |
| <FONT color="green">438</FONT> * @param i Position relative to current token.<a name="line.438"></a> |
| <FONT color="green">439</FONT> *<a name="line.439"></a> |
| <FONT color="green">440</FONT> * @return The string at the given index, or null if the index is out <a name="line.440"></a> |
| <FONT color="green">441</FONT> * of range.<a name="line.441"></a> |
| <FONT color="green">442</FONT> */<a name="line.442"></a> |
| <FONT color="green">443</FONT> private final String getTokenRelative(int i)<a name="line.443"></a> |
| <FONT color="green">444</FONT> {<a name="line.444"></a> |
| <FONT color="green">445</FONT> <a name="line.445"></a> |
| <FONT color="green">446</FONT> String tok;<a name="line.446"></a> |
| <FONT color="green">447</FONT> int relative = m_queueMark + i;<a name="line.447"></a> |
| <FONT color="green">448</FONT> <a name="line.448"></a> |
| <FONT color="green">449</FONT> if ((relative > 0) && (relative < m_ops.getTokenQueueSize()))<a name="line.449"></a> |
| <FONT color="green">450</FONT> {<a name="line.450"></a> |
| <FONT color="green">451</FONT> tok = (String) m_ops.m_tokenQueue.elementAt(relative);<a name="line.451"></a> |
| <FONT color="green">452</FONT> }<a name="line.452"></a> |
| <FONT color="green">453</FONT> else<a name="line.453"></a> |
| <FONT color="green">454</FONT> {<a name="line.454"></a> |
| <FONT color="green">455</FONT> tok = null;<a name="line.455"></a> |
| <FONT color="green">456</FONT> }<a name="line.456"></a> |
| <FONT color="green">457</FONT> <a name="line.457"></a> |
| <FONT color="green">458</FONT> return tok;<a name="line.458"></a> |
| <FONT color="green">459</FONT> }<a name="line.459"></a> |
| <FONT color="green">460</FONT> <a name="line.460"></a> |
| <FONT color="green">461</FONT> /**<a name="line.461"></a> |
| <FONT color="green">462</FONT> * Retrieve the previous token from the command and<a name="line.462"></a> |
| <FONT color="green">463</FONT> * store it in m_token string.<a name="line.463"></a> |
| <FONT color="green">464</FONT> */<a name="line.464"></a> |
| <FONT color="green">465</FONT> private final void prevToken()<a name="line.465"></a> |
| <FONT color="green">466</FONT> {<a name="line.466"></a> |
| <FONT color="green">467</FONT> <a name="line.467"></a> |
| <FONT color="green">468</FONT> if (m_queueMark > 0)<a name="line.468"></a> |
| <FONT color="green">469</FONT> {<a name="line.469"></a> |
| <FONT color="green">470</FONT> m_queueMark--;<a name="line.470"></a> |
| <FONT color="green">471</FONT> <a name="line.471"></a> |
| <FONT color="green">472</FONT> m_token = (String) m_ops.m_tokenQueue.elementAt(m_queueMark);<a name="line.472"></a> |
| <FONT color="green">473</FONT> m_tokenChar = m_token.charAt(0);<a name="line.473"></a> |
| <FONT color="green">474</FONT> }<a name="line.474"></a> |
| <FONT color="green">475</FONT> else<a name="line.475"></a> |
| <FONT color="green">476</FONT> {<a name="line.476"></a> |
| <FONT color="green">477</FONT> m_token = null;<a name="line.477"></a> |
| <FONT color="green">478</FONT> m_tokenChar = 0;<a name="line.478"></a> |
| <FONT color="green">479</FONT> }<a name="line.479"></a> |
| <FONT color="green">480</FONT> }<a name="line.480"></a> |
| <FONT color="green">481</FONT> <a name="line.481"></a> |
| <FONT color="green">482</FONT> /**<a name="line.482"></a> |
| <FONT color="green">483</FONT> * Consume an expected token, throwing an exception if it<a name="line.483"></a> |
| <FONT color="green">484</FONT> * isn't there.<a name="line.484"></a> |
| <FONT color="green">485</FONT> *<a name="line.485"></a> |
| <FONT color="green">486</FONT> * @param expected The string to be expected.<a name="line.486"></a> |
| <FONT color="green">487</FONT> *<a name="line.487"></a> |
| <FONT color="green">488</FONT> * @throws javax.xml.transform.TransformerException<a name="line.488"></a> |
| <FONT color="green">489</FONT> */<a name="line.489"></a> |
| <FONT color="green">490</FONT> private final void consumeExpected(String expected)<a name="line.490"></a> |
| <FONT color="green">491</FONT> throws javax.xml.transform.TransformerException<a name="line.491"></a> |
| <FONT color="green">492</FONT> {<a name="line.492"></a> |
| <FONT color="green">493</FONT> <a name="line.493"></a> |
| <FONT color="green">494</FONT> if (tokenIs(expected))<a name="line.494"></a> |
| <FONT color="green">495</FONT> {<a name="line.495"></a> |
| <FONT color="green">496</FONT> nextToken();<a name="line.496"></a> |
| <FONT color="green">497</FONT> }<a name="line.497"></a> |
| <FONT color="green">498</FONT> else<a name="line.498"></a> |
| <FONT color="green">499</FONT> {<a name="line.499"></a> |
| <FONT color="green">500</FONT> error(XPATHErrorResources.ER_EXPECTED_BUT_FOUND, new Object[]{ expected,<a name="line.500"></a> |
| <FONT color="green">501</FONT> m_token }); //"Expected "+expected+", but found: "+m_token);<a name="line.501"></a> |
| <FONT color="green">502</FONT> <a name="line.502"></a> |
| <FONT color="green">503</FONT> // Patch for Christina's gripe. She wants her errorHandler to return from<a name="line.503"></a> |
| <FONT color="green">504</FONT> // this error and continue trying to parse, rather than throwing an exception.<a name="line.504"></a> |
| <FONT color="green">505</FONT> // Without the patch, that put us into an endless loop.<a name="line.505"></a> |
| <FONT color="green">506</FONT> throw new XPathProcessorException(CONTINUE_AFTER_FATAL_ERROR);<a name="line.506"></a> |
| <FONT color="green">507</FONT> }<a name="line.507"></a> |
| <FONT color="green">508</FONT> }<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> * Consume an expected token, throwing an exception if it<a name="line.511"></a> |
| <FONT color="green">512</FONT> * isn't there.<a name="line.512"></a> |
| <FONT color="green">513</FONT> *<a name="line.513"></a> |
| <FONT color="green">514</FONT> * @param expected the character to be expected.<a name="line.514"></a> |
| <FONT color="green">515</FONT> *<a name="line.515"></a> |
| <FONT color="green">516</FONT> * @throws javax.xml.transform.TransformerException<a name="line.516"></a> |
| <FONT color="green">517</FONT> */<a name="line.517"></a> |
| <FONT color="green">518</FONT> private final void consumeExpected(char expected)<a name="line.518"></a> |
| <FONT color="green">519</FONT> throws javax.xml.transform.TransformerException<a name="line.519"></a> |
| <FONT color="green">520</FONT> {<a name="line.520"></a> |
| <FONT color="green">521</FONT> <a name="line.521"></a> |
| <FONT color="green">522</FONT> if (tokenIs(expected))<a name="line.522"></a> |
| <FONT color="green">523</FONT> {<a name="line.523"></a> |
| <FONT color="green">524</FONT> nextToken();<a name="line.524"></a> |
| <FONT color="green">525</FONT> }<a name="line.525"></a> |
| <FONT color="green">526</FONT> else<a name="line.526"></a> |
| <FONT color="green">527</FONT> {<a name="line.527"></a> |
| <FONT color="green">528</FONT> error(XPATHErrorResources.ER_EXPECTED_BUT_FOUND,<a name="line.528"></a> |
| <FONT color="green">529</FONT> new Object[]{ String.valueOf(expected),<a name="line.529"></a> |
| <FONT color="green">530</FONT> m_token }); //"Expected "+expected+", but found: "+m_token);<a name="line.530"></a> |
| <FONT color="green">531</FONT> <a name="line.531"></a> |
| <FONT color="green">532</FONT> // Patch for Christina's gripe. She wants her errorHandler to return from<a name="line.532"></a> |
| <FONT color="green">533</FONT> // this error and continue trying to parse, rather than throwing an exception.<a name="line.533"></a> |
| <FONT color="green">534</FONT> // Without the patch, that put us into an endless loop.<a name="line.534"></a> |
| <FONT color="green">535</FONT> throw new XPathProcessorException(CONTINUE_AFTER_FATAL_ERROR);<a name="line.535"></a> |
| <FONT color="green">536</FONT> }<a name="line.536"></a> |
| <FONT color="green">537</FONT> }<a name="line.537"></a> |
| <FONT color="green">538</FONT> <a name="line.538"></a> |
| <FONT color="green">539</FONT> /**<a name="line.539"></a> |
| <FONT color="green">540</FONT> * Warn the user of a problem.<a name="line.540"></a> |
| <FONT color="green">541</FONT> *<a name="line.541"></a> |
| <FONT color="green">542</FONT> * @param msg An error msgkey that corresponds to one of the constants found <a name="line.542"></a> |
| <FONT color="green">543</FONT> * in {@link org.apache.xpath.res.XPATHErrorResources}, which is <a name="line.543"></a> |
| <FONT color="green">544</FONT> * a key for a format string.<a name="line.544"></a> |
| <FONT color="green">545</FONT> * @param args An array of arguments represented in the format string, which <a name="line.545"></a> |
| <FONT color="green">546</FONT> * may be null.<a name="line.546"></a> |
| <FONT color="green">547</FONT> *<a name="line.547"></a> |
| <FONT color="green">548</FONT> * @throws TransformerException if the current ErrorListoner determines to <a name="line.548"></a> |
| <FONT color="green">549</FONT> * throw an exception.<a name="line.549"></a> |
| <FONT color="green">550</FONT> */<a name="line.550"></a> |
| <FONT color="green">551</FONT> void warn(String msg, Object[] args) throws TransformerException<a name="line.551"></a> |
| <FONT color="green">552</FONT> {<a name="line.552"></a> |
| <FONT color="green">553</FONT> <a name="line.553"></a> |
| <FONT color="green">554</FONT> String fmsg = XSLMessages.createXPATHWarning(msg, args);<a name="line.554"></a> |
| <FONT color="green">555</FONT> ErrorListener ehandler = this.getErrorListener();<a name="line.555"></a> |
| <FONT color="green">556</FONT> <a name="line.556"></a> |
| <FONT color="green">557</FONT> if (null != ehandler)<a name="line.557"></a> |
| <FONT color="green">558</FONT> {<a name="line.558"></a> |
| <FONT color="green">559</FONT> // TO DO: Need to get stylesheet Locator from here.<a name="line.559"></a> |
| <FONT color="green">560</FONT> ehandler.warning(new TransformerException(fmsg, m_sourceLocator));<a name="line.560"></a> |
| <FONT color="green">561</FONT> }<a name="line.561"></a> |
| <FONT color="green">562</FONT> else<a name="line.562"></a> |
| <FONT color="green">563</FONT> {<a name="line.563"></a> |
| <FONT color="green">564</FONT> // Should never happen.<a name="line.564"></a> |
| <FONT color="green">565</FONT> System.err.println(fmsg);<a name="line.565"></a> |
| <FONT color="green">566</FONT> }<a name="line.566"></a> |
| <FONT color="green">567</FONT> }<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> * Notify the user of an assertion error, and probably throw an<a name="line.570"></a> |
| <FONT color="green">571</FONT> * exception.<a name="line.571"></a> |
| <FONT color="green">572</FONT> *<a name="line.572"></a> |
| <FONT color="green">573</FONT> * @param b If false, a runtime exception will be thrown.<a name="line.573"></a> |
| <FONT color="green">574</FONT> * @param msg The assertion message, which should be informative.<a name="line.574"></a> |
| <FONT color="green">575</FONT> * <a name="line.575"></a> |
| <FONT color="green">576</FONT> * @throws RuntimeException if the b argument is false.<a name="line.576"></a> |
| <FONT color="green">577</FONT> */<a name="line.577"></a> |
| <FONT color="green">578</FONT> private void assertion(boolean b, String msg)<a name="line.578"></a> |
| <FONT color="green">579</FONT> {<a name="line.579"></a> |
| <FONT color="green">580</FONT> <a name="line.580"></a> |
| <FONT color="green">581</FONT> if (!b)<a name="line.581"></a> |
| <FONT color="green">582</FONT> {<a name="line.582"></a> |
| <FONT color="green">583</FONT> String fMsg = XSLMessages.createXPATHMessage(<a name="line.583"></a> |
| <FONT color="green">584</FONT> XPATHErrorResources.ER_INCORRECT_PROGRAMMER_ASSERTION,<a name="line.584"></a> |
| <FONT color="green">585</FONT> new Object[]{ msg });<a name="line.585"></a> |
| <FONT color="green">586</FONT> <a name="line.586"></a> |
| <FONT color="green">587</FONT> throw new RuntimeException(fMsg);<a name="line.587"></a> |
| <FONT color="green">588</FONT> }<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> /**<a name="line.591"></a> |
| <FONT color="green">592</FONT> * Notify the user of an error, and probably throw an<a name="line.592"></a> |
| <FONT color="green">593</FONT> * exception.<a name="line.593"></a> |
| <FONT color="green">594</FONT> *<a name="line.594"></a> |
| <FONT color="green">595</FONT> * @param msg An error msgkey that corresponds to one of the constants found <a name="line.595"></a> |
| <FONT color="green">596</FONT> * in {@link org.apache.xpath.res.XPATHErrorResources}, which is <a name="line.596"></a> |
| <FONT color="green">597</FONT> * a key for a format string.<a name="line.597"></a> |
| <FONT color="green">598</FONT> * @param args An array of arguments represented in the format string, which <a name="line.598"></a> |
| <FONT color="green">599</FONT> * may be null.<a name="line.599"></a> |
| <FONT color="green">600</FONT> *<a name="line.600"></a> |
| <FONT color="green">601</FONT> * @throws TransformerException if the current ErrorListoner determines to <a name="line.601"></a> |
| <FONT color="green">602</FONT> * throw an exception.<a name="line.602"></a> |
| <FONT color="green">603</FONT> */<a name="line.603"></a> |
| <FONT color="green">604</FONT> void error(String msg, Object[] args) throws TransformerException<a name="line.604"></a> |
| <FONT color="green">605</FONT> {<a name="line.605"></a> |
| <FONT color="green">606</FONT> <a name="line.606"></a> |
| <FONT color="green">607</FONT> String fmsg = XSLMessages.createXPATHMessage(msg, args);<a name="line.607"></a> |
| <FONT color="green">608</FONT> ErrorListener ehandler = this.getErrorListener();<a name="line.608"></a> |
| <FONT color="green">609</FONT> <a name="line.609"></a> |
| <FONT color="green">610</FONT> TransformerException te = new TransformerException(fmsg, m_sourceLocator);<a name="line.610"></a> |
| <FONT color="green">611</FONT> if (null != ehandler)<a name="line.611"></a> |
| <FONT color="green">612</FONT> {<a name="line.612"></a> |
| <FONT color="green">613</FONT> // TO DO: Need to get stylesheet Locator from here.<a name="line.613"></a> |
| <FONT color="green">614</FONT> ehandler.fatalError(te);<a name="line.614"></a> |
| <FONT color="green">615</FONT> }<a name="line.615"></a> |
| <FONT color="green">616</FONT> else<a name="line.616"></a> |
| <FONT color="green">617</FONT> {<a name="line.617"></a> |
| <FONT color="green">618</FONT> // System.err.println(fmsg);<a name="line.618"></a> |
| <FONT color="green">619</FONT> throw te;<a name="line.619"></a> |
| <FONT color="green">620</FONT> }<a name="line.620"></a> |
| <FONT color="green">621</FONT> }<a name="line.621"></a> |
| <FONT color="green">622</FONT> <a name="line.622"></a> |
| <FONT color="green">623</FONT> /**<a name="line.623"></a> |
| <FONT color="green">624</FONT> * This method is added to support DOM 3 XPath API.<a name="line.624"></a> |
| <FONT color="green">625</FONT> * <p><a name="line.625"></a> |
| <FONT color="green">626</FONT> * This method is exactly like error(String, Object[]); except that<a name="line.626"></a> |
| <FONT color="green">627</FONT> * the underlying TransformerException is <a name="line.627"></a> |
| <FONT color="green">628</FONT> * XpathStylesheetDOM3Exception (which extends TransformerException).<a name="line.628"></a> |
| <FONT color="green">629</FONT> * <p><a name="line.629"></a> |
| <FONT color="green">630</FONT> * So older XPath code in Xalan is not affected by this. To older XPath code<a name="line.630"></a> |
| <FONT color="green">631</FONT> * the behavior of whether error() or errorForDOM3() is called because it is<a name="line.631"></a> |
| <FONT color="green">632</FONT> * always catching TransformerException objects and is oblivious to<a name="line.632"></a> |
| <FONT color="green">633</FONT> * the new subclass of XPathStylesheetDOM3Exception. Older XPath code <a name="line.633"></a> |
| <FONT color="green">634</FONT> * runs as before.<a name="line.634"></a> |
| <FONT color="green">635</FONT> * <p><a name="line.635"></a> |
| <FONT color="green">636</FONT> * However, newer DOM3 XPath code upon catching a TransformerException can<a name="line.636"></a> |
| <FONT color="green">637</FONT> * can check if the exception is an instance of XPathStylesheetDOM3Exception<a name="line.637"></a> |
| <FONT color="green">638</FONT> * and take appropriate action.<a name="line.638"></a> |
| <FONT color="green">639</FONT> * <a name="line.639"></a> |
| <FONT color="green">640</FONT> * @param msg An error msgkey that corresponds to one of the constants found <a name="line.640"></a> |
| <FONT color="green">641</FONT> * in {@link org.apache.xpath.res.XPATHErrorResources}, which is <a name="line.641"></a> |
| <FONT color="green">642</FONT> * a key for a format string.<a name="line.642"></a> |
| <FONT color="green">643</FONT> * @param args An array of arguments represented in the format string, which <a name="line.643"></a> |
| <FONT color="green">644</FONT> * may be null.<a name="line.644"></a> |
| <FONT color="green">645</FONT> *<a name="line.645"></a> |
| <FONT color="green">646</FONT> * @throws TransformerException if the current ErrorListoner determines to <a name="line.646"></a> |
| <FONT color="green">647</FONT> * throw an exception.<a name="line.647"></a> |
| <FONT color="green">648</FONT> */<a name="line.648"></a> |
| <FONT color="green">649</FONT> void errorForDOM3(String msg, Object[] args) throws TransformerException<a name="line.649"></a> |
| <FONT color="green">650</FONT> {<a name="line.650"></a> |
| <FONT color="green">651</FONT> <a name="line.651"></a> |
| <FONT color="green">652</FONT> String fmsg = XSLMessages.createXPATHMessage(msg, args);<a name="line.652"></a> |
| <FONT color="green">653</FONT> ErrorListener ehandler = this.getErrorListener();<a name="line.653"></a> |
| <FONT color="green">654</FONT> <a name="line.654"></a> |
| <FONT color="green">655</FONT> TransformerException te = new XPathStylesheetDOM3Exception(fmsg, m_sourceLocator);<a name="line.655"></a> |
| <FONT color="green">656</FONT> if (null != ehandler)<a name="line.656"></a> |
| <FONT color="green">657</FONT> {<a name="line.657"></a> |
| <FONT color="green">658</FONT> // TO DO: Need to get stylesheet Locator from here.<a name="line.658"></a> |
| <FONT color="green">659</FONT> ehandler.fatalError(te);<a name="line.659"></a> |
| <FONT color="green">660</FONT> }<a name="line.660"></a> |
| <FONT color="green">661</FONT> else<a name="line.661"></a> |
| <FONT color="green">662</FONT> {<a name="line.662"></a> |
| <FONT color="green">663</FONT> // System.err.println(fmsg);<a name="line.663"></a> |
| <FONT color="green">664</FONT> throw te;<a name="line.664"></a> |
| <FONT color="green">665</FONT> }<a name="line.665"></a> |
| <FONT color="green">666</FONT> }<a name="line.666"></a> |
| <FONT color="green">667</FONT> /**<a name="line.667"></a> |
| <FONT color="green">668</FONT> * Dump the remaining token queue.<a name="line.668"></a> |
| <FONT color="green">669</FONT> * Thanks to Craig for this.<a name="line.669"></a> |
| <FONT color="green">670</FONT> *<a name="line.670"></a> |
| <FONT color="green">671</FONT> * @return A dump of the remaining token queue, which may be appended to <a name="line.671"></a> |
| <FONT color="green">672</FONT> * an error message.<a name="line.672"></a> |
| <FONT color="green">673</FONT> */<a name="line.673"></a> |
| <FONT color="green">674</FONT> protected String dumpRemainingTokenQueue()<a name="line.674"></a> |
| <FONT color="green">675</FONT> {<a name="line.675"></a> |
| <FONT color="green">676</FONT> <a name="line.676"></a> |
| <FONT color="green">677</FONT> int q = m_queueMark;<a name="line.677"></a> |
| <FONT color="green">678</FONT> String returnMsg;<a name="line.678"></a> |
| <FONT color="green">679</FONT> <a name="line.679"></a> |
| <FONT color="green">680</FONT> if (q < m_ops.getTokenQueueSize())<a name="line.680"></a> |
| <FONT color="green">681</FONT> {<a name="line.681"></a> |
| <FONT color="green">682</FONT> String msg = "\n Remaining tokens: (";<a name="line.682"></a> |
| <FONT color="green">683</FONT> <a name="line.683"></a> |
| <FONT color="green">684</FONT> while (q < m_ops.getTokenQueueSize())<a name="line.684"></a> |
| <FONT color="green">685</FONT> {<a name="line.685"></a> |
| <FONT color="green">686</FONT> String t = (String) m_ops.m_tokenQueue.elementAt(q++);<a name="line.686"></a> |
| <FONT color="green">687</FONT> <a name="line.687"></a> |
| <FONT color="green">688</FONT> msg += (" '" + t + "'");<a name="line.688"></a> |
| <FONT color="green">689</FONT> }<a name="line.689"></a> |
| <FONT color="green">690</FONT> <a name="line.690"></a> |
| <FONT color="green">691</FONT> returnMsg = msg + ")";<a name="line.691"></a> |
| <FONT color="green">692</FONT> }<a name="line.692"></a> |
| <FONT color="green">693</FONT> else<a name="line.693"></a> |
| <FONT color="green">694</FONT> {<a name="line.694"></a> |
| <FONT color="green">695</FONT> returnMsg = "";<a name="line.695"></a> |
| <FONT color="green">696</FONT> }<a name="line.696"></a> |
| <FONT color="green">697</FONT> <a name="line.697"></a> |
| <FONT color="green">698</FONT> return returnMsg;<a name="line.698"></a> |
| <FONT color="green">699</FONT> }<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> * Given a string, return the corresponding function token.<a name="line.702"></a> |
| <FONT color="green">703</FONT> *<a name="line.703"></a> |
| <FONT color="green">704</FONT> * @param key A local name of a function.<a name="line.704"></a> |
| <FONT color="green">705</FONT> *<a name="line.705"></a> |
| <FONT color="green">706</FONT> * @return The function ID, which may correspond to one of the FUNC_XXX <a name="line.706"></a> |
| <FONT color="green">707</FONT> * values found in {@link org.apache.xpath.compiler.FunctionTable}, but may <a name="line.707"></a> |
| <FONT color="green">708</FONT> * be a value installed by an external module.<a name="line.708"></a> |
| <FONT color="green">709</FONT> */<a name="line.709"></a> |
| <FONT color="green">710</FONT> final int getFunctionToken(String key)<a name="line.710"></a> |
| <FONT color="green">711</FONT> {<a name="line.711"></a> |
| <FONT color="green">712</FONT> <a name="line.712"></a> |
| <FONT color="green">713</FONT> int tok;<a name="line.713"></a> |
| <FONT color="green">714</FONT> <a name="line.714"></a> |
| <FONT color="green">715</FONT> Object id;<a name="line.715"></a> |
| <FONT color="green">716</FONT> <a name="line.716"></a> |
| <FONT color="green">717</FONT> try<a name="line.717"></a> |
| <FONT color="green">718</FONT> {<a name="line.718"></a> |
| <FONT color="green">719</FONT> // These are nodetests, xpathparser treats them as functions when parsing<a name="line.719"></a> |
| <FONT color="green">720</FONT> // a FilterExpr. <a name="line.720"></a> |
| <FONT color="green">721</FONT> id = Keywords.lookupNodeTest(key);<a name="line.721"></a> |
| <FONT color="green">722</FONT> if (null == id) id = m_functionTable.getFunctionID(key);<a name="line.722"></a> |
| <FONT color="green">723</FONT> tok = ((Integer) id).intValue();<a name="line.723"></a> |
| <FONT color="green">724</FONT> }<a name="line.724"></a> |
| <FONT color="green">725</FONT> catch (NullPointerException npe)<a name="line.725"></a> |
| <FONT color="green">726</FONT> {<a name="line.726"></a> |
| <FONT color="green">727</FONT> tok = -1;<a name="line.727"></a> |
| <FONT color="green">728</FONT> }<a name="line.728"></a> |
| <FONT color="green">729</FONT> catch (ClassCastException cce)<a name="line.729"></a> |
| <FONT color="green">730</FONT> {<a name="line.730"></a> |
| <FONT color="green">731</FONT> tok = -1;<a name="line.731"></a> |
| <FONT color="green">732</FONT> }<a name="line.732"></a> |
| <FONT color="green">733</FONT> <a name="line.733"></a> |
| <FONT color="green">734</FONT> return tok;<a name="line.734"></a> |
| <FONT color="green">735</FONT> }<a name="line.735"></a> |
| <FONT color="green">736</FONT> <a name="line.736"></a> |
| <FONT color="green">737</FONT> /**<a name="line.737"></a> |
| <FONT color="green">738</FONT> * Insert room for operation. This will NOT set<a name="line.738"></a> |
| <FONT color="green">739</FONT> * the length value of the operation, but will update<a name="line.739"></a> |
| <FONT color="green">740</FONT> * the length value for the total expression.<a name="line.740"></a> |
| <FONT color="green">741</FONT> *<a name="line.741"></a> |
| <FONT color="green">742</FONT> * @param pos The position where the op is to be inserted.<a name="line.742"></a> |
| <FONT color="green">743</FONT> * @param length The length of the operation space in the op map.<a name="line.743"></a> |
| <FONT color="green">744</FONT> * @param op The op code to the inserted.<a name="line.744"></a> |
| <FONT color="green">745</FONT> */<a name="line.745"></a> |
| <FONT color="green">746</FONT> void insertOp(int pos, int length, int op)<a name="line.746"></a> |
| <FONT color="green">747</FONT> {<a name="line.747"></a> |
| <FONT color="green">748</FONT> <a name="line.748"></a> |
| <FONT color="green">749</FONT> int totalLen = m_ops.getOp(OpMap.MAPINDEX_LENGTH);<a name="line.749"></a> |
| <FONT color="green">750</FONT> <a name="line.750"></a> |
| <FONT color="green">751</FONT> for (int i = totalLen - 1; i >= pos; i--)<a name="line.751"></a> |
| <FONT color="green">752</FONT> {<a name="line.752"></a> |
| <FONT color="green">753</FONT> m_ops.setOp(i + length, m_ops.getOp(i));<a name="line.753"></a> |
| <FONT color="green">754</FONT> }<a name="line.754"></a> |
| <FONT color="green">755</FONT> <a name="line.755"></a> |
| <FONT color="green">756</FONT> m_ops.setOp(pos,op);<a name="line.756"></a> |
| <FONT color="green">757</FONT> m_ops.setOp(OpMap.MAPINDEX_LENGTH,totalLen + length);<a name="line.757"></a> |
| <FONT color="green">758</FONT> }<a name="line.758"></a> |
| <FONT color="green">759</FONT> <a name="line.759"></a> |
| <FONT color="green">760</FONT> /**<a name="line.760"></a> |
| <FONT color="green">761</FONT> * Insert room for operation. This WILL set<a name="line.761"></a> |
| <FONT color="green">762</FONT> * the length value of the operation, and will update<a name="line.762"></a> |
| <FONT color="green">763</FONT> * the length value for the total expression.<a name="line.763"></a> |
| <FONT color="green">764</FONT> *<a name="line.764"></a> |
| <FONT color="green">765</FONT> * @param length The length of the operation.<a name="line.765"></a> |
| <FONT color="green">766</FONT> * @param op The op code to the inserted.<a name="line.766"></a> |
| <FONT color="green">767</FONT> */<a name="line.767"></a> |
| <FONT color="green">768</FONT> void appendOp(int length, int op)<a name="line.768"></a> |
| <FONT color="green">769</FONT> {<a name="line.769"></a> |
| <FONT color="green">770</FONT> <a name="line.770"></a> |
| <FONT color="green">771</FONT> int totalLen = m_ops.getOp(OpMap.MAPINDEX_LENGTH);<a name="line.771"></a> |
| <FONT color="green">772</FONT> <a name="line.772"></a> |
| <FONT color="green">773</FONT> m_ops.setOp(totalLen, op);<a name="line.773"></a> |
| <FONT color="green">774</FONT> m_ops.setOp(totalLen + OpMap.MAPINDEX_LENGTH, length);<a name="line.774"></a> |
| <FONT color="green">775</FONT> m_ops.setOp(OpMap.MAPINDEX_LENGTH, totalLen + length);<a name="line.775"></a> |
| <FONT color="green">776</FONT> }<a name="line.776"></a> |
| <FONT color="green">777</FONT> <a name="line.777"></a> |
| <FONT color="green">778</FONT> // ============= EXPRESSIONS FUNCTIONS =================<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> *<a name="line.781"></a> |
| <FONT color="green">782</FONT> *<a name="line.782"></a> |
| <FONT color="green">783</FONT> * Expr ::= OrExpr<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> * @throws javax.xml.transform.TransformerException<a name="line.786"></a> |
| <FONT color="green">787</FONT> */<a name="line.787"></a> |
| <FONT color="green">788</FONT> protected void Expr() throws javax.xml.transform.TransformerException<a name="line.788"></a> |
| <FONT color="green">789</FONT> {<a name="line.789"></a> |
| <FONT color="green">790</FONT> OrExpr();<a name="line.790"></a> |
| <FONT color="green">791</FONT> }<a name="line.791"></a> |
| <FONT color="green">792</FONT> <a name="line.792"></a> |
| <FONT color="green">793</FONT> /**<a name="line.793"></a> |
| <FONT color="green">794</FONT> *<a name="line.794"></a> |
| <FONT color="green">795</FONT> *<a name="line.795"></a> |
| <FONT color="green">796</FONT> * OrExpr ::= AndExpr<a name="line.796"></a> |
| <FONT color="green">797</FONT> * | OrExpr 'or' AndExpr<a name="line.797"></a> |
| <FONT color="green">798</FONT> *<a name="line.798"></a> |
| <FONT color="green">799</FONT> *<a name="line.799"></a> |
| <FONT color="green">800</FONT> * @throws javax.xml.transform.TransformerException<a name="line.800"></a> |
| <FONT color="green">801</FONT> */<a name="line.801"></a> |
| <FONT color="green">802</FONT> protected void OrExpr() throws javax.xml.transform.TransformerException<a name="line.802"></a> |
| <FONT color="green">803</FONT> {<a name="line.803"></a> |
| <FONT color="green">804</FONT> <a name="line.804"></a> |
| <FONT color="green">805</FONT> int opPos = m_ops.getOp(OpMap.MAPINDEX_LENGTH);<a name="line.805"></a> |
| <FONT color="green">806</FONT> <a name="line.806"></a> |
| <FONT color="green">807</FONT> AndExpr();<a name="line.807"></a> |
| <FONT color="green">808</FONT> <a name="line.808"></a> |
| <FONT color="green">809</FONT> if ((null != m_token) && tokenIs("or"))<a name="line.809"></a> |
| <FONT color="green">810</FONT> {<a name="line.810"></a> |
| <FONT color="green">811</FONT> nextToken();<a name="line.811"></a> |
| <FONT color="green">812</FONT> insertOp(opPos, 2, OpCodes.OP_OR);<a name="line.812"></a> |
| <FONT color="green">813</FONT> OrExpr();<a name="line.813"></a> |
| <FONT color="green">814</FONT> <a name="line.814"></a> |
| <FONT color="green">815</FONT> m_ops.setOp(opPos + OpMap.MAPINDEX_LENGTH,<a name="line.815"></a> |
| <FONT color="green">816</FONT> m_ops.getOp(OpMap.MAPINDEX_LENGTH) - opPos);<a name="line.816"></a> |
| <FONT color="green">817</FONT> }<a name="line.817"></a> |
| <FONT color="green">818</FONT> }<a name="line.818"></a> |
| <FONT color="green">819</FONT> <a name="line.819"></a> |
| <FONT color="green">820</FONT> /**<a name="line.820"></a> |
| <FONT color="green">821</FONT> *<a name="line.821"></a> |
| <FONT color="green">822</FONT> *<a name="line.822"></a> |
| <FONT color="green">823</FONT> * AndExpr ::= EqualityExpr<a name="line.823"></a> |
| <FONT color="green">824</FONT> * | AndExpr 'and' EqualityExpr<a name="line.824"></a> |
| <FONT color="green">825</FONT> *<a name="line.825"></a> |
| <FONT color="green">826</FONT> *<a name="line.826"></a> |
| <FONT color="green">827</FONT> * @throws javax.xml.transform.TransformerException<a name="line.827"></a> |
| <FONT color="green">828</FONT> */<a name="line.828"></a> |
| <FONT color="green">829</FONT> protected void AndExpr() throws javax.xml.transform.TransformerException<a name="line.829"></a> |
| <FONT color="green">830</FONT> {<a name="line.830"></a> |
| <FONT color="green">831</FONT> <a name="line.831"></a> |
| <FONT color="green">832</FONT> int opPos = m_ops.getOp(OpMap.MAPINDEX_LENGTH);<a name="line.832"></a> |
| <FONT color="green">833</FONT> <a name="line.833"></a> |
| <FONT color="green">834</FONT> EqualityExpr(-1);<a name="line.834"></a> |
| <FONT color="green">835</FONT> <a name="line.835"></a> |
| <FONT color="green">836</FONT> if ((null != m_token) && tokenIs("and"))<a name="line.836"></a> |
| <FONT color="green">837</FONT> {<a name="line.837"></a> |
| <FONT color="green">838</FONT> nextToken();<a name="line.838"></a> |
| <FONT color="green">839</FONT> insertOp(opPos, 2, OpCodes.OP_AND);<a name="line.839"></a> |
| <FONT color="green">840</FONT> AndExpr();<a name="line.840"></a> |
| <FONT color="green">841</FONT> <a name="line.841"></a> |
| <FONT color="green">842</FONT> m_ops.setOp(opPos + OpMap.MAPINDEX_LENGTH,<a name="line.842"></a> |
| <FONT color="green">843</FONT> m_ops.getOp(OpMap.MAPINDEX_LENGTH) - opPos);<a name="line.843"></a> |
| <FONT color="green">844</FONT> }<a name="line.844"></a> |
| <FONT color="green">845</FONT> }<a name="line.845"></a> |
| <FONT color="green">846</FONT> <a name="line.846"></a> |
| <FONT color="green">847</FONT> /**<a name="line.847"></a> |
| <FONT color="green">848</FONT> *<a name="line.848"></a> |
| <FONT color="green">849</FONT> * @returns an Object which is either a String, a Number, a Boolean, or a vector<a name="line.849"></a> |
| <FONT color="green">850</FONT> * of nodes.<a name="line.850"></a> |
| <FONT color="green">851</FONT> *<a name="line.851"></a> |
| <FONT color="green">852</FONT> * EqualityExpr ::= RelationalExpr<a name="line.852"></a> |
| <FONT color="green">853</FONT> * | EqualityExpr '=' RelationalExpr<a name="line.853"></a> |
| <FONT color="green">854</FONT> *<a name="line.854"></a> |
| <FONT color="green">855</FONT> *<a name="line.855"></a> |
| <FONT color="green">856</FONT> * @param addPos Position where expression is to be added, or -1 for append.<a name="line.856"></a> |
| <FONT color="green">857</FONT> *<a name="line.857"></a> |
| <FONT color="green">858</FONT> * @return the position at the end of the equality expression.<a name="line.858"></a> |
| <FONT color="green">859</FONT> *<a name="line.859"></a> |
| <FONT color="green">860</FONT> * @throws javax.xml.transform.TransformerException<a name="line.860"></a> |
| <FONT color="green">861</FONT> */<a name="line.861"></a> |
| <FONT color="green">862</FONT> protected int EqualityExpr(int addPos) throws javax.xml.transform.TransformerException<a name="line.862"></a> |
| <FONT color="green">863</FONT> {<a name="line.863"></a> |
| <FONT color="green">864</FONT> <a name="line.864"></a> |
| <FONT color="green">865</FONT> int opPos = m_ops.getOp(OpMap.MAPINDEX_LENGTH);<a name="line.865"></a> |
| <FONT color="green">866</FONT> <a name="line.866"></a> |
| <FONT color="green">867</FONT> if (-1 == addPos)<a name="line.867"></a> |
| <FONT color="green">868</FONT> addPos = opPos;<a name="line.868"></a> |
| <FONT color="green">869</FONT> <a name="line.869"></a> |
| <FONT color="green">870</FONT> RelationalExpr(-1);<a name="line.870"></a> |
| <FONT color="green">871</FONT> <a name="line.871"></a> |
| <FONT color="green">872</FONT> if (null != m_token)<a name="line.872"></a> |
| <FONT color="green">873</FONT> {<a name="line.873"></a> |
| <FONT color="green">874</FONT> if (tokenIs('!') && lookahead('=', 1))<a name="line.874"></a> |
| <FONT color="green">875</FONT> {<a name="line.875"></a> |
| <FONT color="green">876</FONT> nextToken();<a name="line.876"></a> |
| <FONT color="green">877</FONT> nextToken();<a name="line.877"></a> |
| <FONT color="green">878</FONT> insertOp(addPos, 2, OpCodes.OP_NOTEQUALS);<a name="line.878"></a> |
| <FONT color="green">879</FONT> <a name="line.879"></a> |
| <FONT color="green">880</FONT> int opPlusLeftHandLen = m_ops.getOp(OpMap.MAPINDEX_LENGTH) - addPos;<a name="line.880"></a> |
| <FONT color="green">881</FONT> <a name="line.881"></a> |
| <FONT color="green">882</FONT> addPos = EqualityExpr(addPos);<a name="line.882"></a> |
| <FONT color="green">883</FONT> m_ops.setOp(addPos + OpMap.MAPINDEX_LENGTH,<a name="line.883"></a> |
| <FONT color="green">884</FONT> m_ops.getOp(addPos + opPlusLeftHandLen + 1) + opPlusLeftHandLen);<a name="line.884"></a> |
| <FONT color="green">885</FONT> addPos += 2;<a name="line.885"></a> |
| <FONT color="green">886</FONT> }<a name="line.886"></a> |
| <FONT color="green">887</FONT> else if (tokenIs('='))<a name="line.887"></a> |
| <FONT color="green">888</FONT> {<a name="line.888"></a> |
| <FONT color="green">889</FONT> nextToken();<a name="line.889"></a> |
| <FONT color="green">890</FONT> insertOp(addPos, 2, OpCodes.OP_EQUALS);<a name="line.890"></a> |
| <FONT color="green">891</FONT> <a name="line.891"></a> |
| <FONT color="green">892</FONT> int opPlusLeftHandLen = m_ops.getOp(OpMap.MAPINDEX_LENGTH) - addPos;<a name="line.892"></a> |
| <FONT color="green">893</FONT> <a name="line.893"></a> |
| <FONT color="green">894</FONT> addPos = EqualityExpr(addPos);<a name="line.894"></a> |
| <FONT color="green">895</FONT> m_ops.setOp(addPos + OpMap.MAPINDEX_LENGTH,<a name="line.895"></a> |
| <FONT color="green">896</FONT> m_ops.getOp(addPos + opPlusLeftHandLen + 1) + opPlusLeftHandLen);<a name="line.896"></a> |
| <FONT color="green">897</FONT> addPos += 2;<a name="line.897"></a> |
| <FONT color="green">898</FONT> }<a name="line.898"></a> |
| <FONT color="green">899</FONT> }<a name="line.899"></a> |
| <FONT color="green">900</FONT> <a name="line.900"></a> |
| <FONT color="green">901</FONT> return addPos;<a name="line.901"></a> |
| <FONT color="green">902</FONT> }<a name="line.902"></a> |
| <FONT color="green">903</FONT> <a name="line.903"></a> |
| <FONT color="green">904</FONT> /**<a name="line.904"></a> |
| <FONT color="green">905</FONT> * .<a name="line.905"></a> |
| <FONT color="green">906</FONT> * @returns an Object which is either a String, a Number, a Boolean, or a vector<a name="line.906"></a> |
| <FONT color="green">907</FONT> * of nodes.<a name="line.907"></a> |
| <FONT color="green">908</FONT> *<a name="line.908"></a> |
| <FONT color="green">909</FONT> * RelationalExpr ::= AdditiveExpr<a name="line.909"></a> |
| <FONT color="green">910</FONT> * | RelationalExpr '<' AdditiveExpr<a name="line.910"></a> |
| <FONT color="green">911</FONT> * | RelationalExpr '>' AdditiveExpr<a name="line.911"></a> |
| <FONT color="green">912</FONT> * | RelationalExpr '<=' AdditiveExpr<a name="line.912"></a> |
| <FONT color="green">913</FONT> * | RelationalExpr '>=' AdditiveExpr<a name="line.913"></a> |
| <FONT color="green">914</FONT> *<a name="line.914"></a> |
| <FONT color="green">915</FONT> *<a name="line.915"></a> |
| <FONT color="green">916</FONT> * @param addPos Position where expression is to be added, or -1 for append.<a name="line.916"></a> |
| <FONT color="green">917</FONT> *<a name="line.917"></a> |
| <FONT color="green">918</FONT> * @return the position at the end of the relational expression.<a name="line.918"></a> |
| <FONT color="green">919</FONT> *<a name="line.919"></a> |
| <FONT color="green">920</FONT> * @throws javax.xml.transform.TransformerException<a name="line.920"></a> |
| <FONT color="green">921</FONT> */<a name="line.921"></a> |
| <FONT color="green">922</FONT> protected int RelationalExpr(int addPos) throws javax.xml.transform.TransformerException<a name="line.922"></a> |
| <FONT color="green">923</FONT> {<a name="line.923"></a> |
| <FONT color="green">924</FONT> <a name="line.924"></a> |
| <FONT color="green">925</FONT> int opPos = m_ops.getOp(OpMap.MAPINDEX_LENGTH);<a name="line.925"></a> |
| <FONT color="green">926</FONT> <a name="line.926"></a> |
| <FONT color="green">927</FONT> if (-1 == addPos)<a name="line.927"></a> |
| <FONT color="green">928</FONT> addPos = opPos;<a name="line.928"></a> |
| <FONT color="green">929</FONT> <a name="line.929"></a> |
| <FONT color="green">930</FONT> AdditiveExpr(-1);<a name="line.930"></a> |
| <FONT color="green">931</FONT> <a name="line.931"></a> |
| <FONT color="green">932</FONT> if (null != m_token)<a name="line.932"></a> |
| <FONT color="green">933</FONT> {<a name="line.933"></a> |
| <FONT color="green">934</FONT> if (tokenIs('<'))<a name="line.934"></a> |
| <FONT color="green">935</FONT> {<a name="line.935"></a> |
| <FONT color="green">936</FONT> nextToken();<a name="line.936"></a> |
| <FONT color="green">937</FONT> <a name="line.937"></a> |
| <FONT color="green">938</FONT> if (tokenIs('='))<a name="line.938"></a> |
| <FONT color="green">939</FONT> {<a name="line.939"></a> |
| <FONT color="green">940</FONT> nextToken();<a name="line.940"></a> |
| <FONT color="green">941</FONT> insertOp(addPos, 2, OpCodes.OP_LTE);<a name="line.941"></a> |
| <FONT color="green">942</FONT> }<a name="line.942"></a> |
| <FONT color="green">943</FONT> else<a name="line.943"></a> |
| <FONT color="green">944</FONT> {<a name="line.944"></a> |
| <FONT color="green">945</FONT> insertOp(addPos, 2, OpCodes.OP_LT);<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> int opPlusLeftHandLen = m_ops.getOp(OpMap.MAPINDEX_LENGTH) - addPos;<a name="line.948"></a> |
| <FONT color="green">949</FONT> <a name="line.949"></a> |
| <FONT color="green">950</FONT> addPos = RelationalExpr(addPos);<a name="line.950"></a> |
| <FONT color="green">951</FONT> m_ops.setOp(addPos + OpMap.MAPINDEX_LENGTH, <a name="line.951"></a> |
| <FONT color="green">952</FONT> m_ops.getOp(addPos + opPlusLeftHandLen + 1) + opPlusLeftHandLen);<a name="line.952"></a> |
| <FONT color="green">953</FONT> addPos += 2;<a name="line.953"></a> |
| <FONT color="green">954</FONT> }<a name="line.954"></a> |
| <FONT color="green">955</FONT> else if (tokenIs('>'))<a name="line.955"></a> |
| <FONT color="green">956</FONT> {<a name="line.956"></a> |
| <FONT color="green">957</FONT> nextToken();<a name="line.957"></a> |
| <FONT color="green">958</FONT> <a name="line.958"></a> |
| <FONT color="green">959</FONT> if (tokenIs('='))<a name="line.959"></a> |
| <FONT color="green">960</FONT> {<a name="line.960"></a> |
| <FONT color="green">961</FONT> nextToken();<a name="line.961"></a> |
| <FONT color="green">962</FONT> insertOp(addPos, 2, OpCodes.OP_GTE);<a name="line.962"></a> |
| <FONT color="green">963</FONT> }<a name="line.963"></a> |
| <FONT color="green">964</FONT> else<a name="line.964"></a> |
| <FONT color="green">965</FONT> {<a name="line.965"></a> |
| <FONT color="green">966</FONT> insertOp(addPos, 2, OpCodes.OP_GT);<a name="line.966"></a> |
| <FONT color="green">967</FONT> }<a name="line.967"></a> |
| <FONT color="green">968</FONT> <a name="line.968"></a> |
| <FONT color="green">969</FONT> int opPlusLeftHandLen = m_ops.getOp(OpMap.MAPINDEX_LENGTH) - addPos;<a name="line.969"></a> |
| <FONT color="green">970</FONT> <a name="line.970"></a> |
| <FONT color="green">971</FONT> addPos = RelationalExpr(addPos);<a name="line.971"></a> |
| <FONT color="green">972</FONT> m_ops.setOp(addPos + OpMap.MAPINDEX_LENGTH,<a name="line.972"></a> |
| <FONT color="green">973</FONT> m_ops.getOp(addPos + opPlusLeftHandLen + 1) + opPlusLeftHandLen);<a name="line.973"></a> |
| <FONT color="green">974</FONT> addPos += 2;<a name="line.974"></a> |
| <FONT color="green">975</FONT> }<a name="line.975"></a> |
| <FONT color="green">976</FONT> }<a name="line.976"></a> |
| <FONT color="green">977</FONT> <a name="line.977"></a> |
| <FONT color="green">978</FONT> return addPos;<a name="line.978"></a> |
| <FONT color="green">979</FONT> }<a name="line.979"></a> |
| <FONT color="green">980</FONT> <a name="line.980"></a> |
| <FONT color="green">981</FONT> /**<a name="line.981"></a> |
| <FONT color="green">982</FONT> * This has to handle construction of the operations so that they are evaluated<a name="line.982"></a> |
| <FONT color="green">983</FONT> * in pre-fix order. So, for 9+7-6, instead of |+|9|-|7|6|, this needs to be<a name="line.983"></a> |
| <FONT color="green">984</FONT> * evaluated as |-|+|9|7|6|.<a name="line.984"></a> |
| <FONT color="green">985</FONT> *<a name="line.985"></a> |
| <FONT color="green">986</FONT> * AdditiveExpr ::= MultiplicativeExpr<a name="line.986"></a> |
| <FONT color="green">987</FONT> * | AdditiveExpr '+' MultiplicativeExpr<a name="line.987"></a> |
| <FONT color="green">988</FONT> * | AdditiveExpr '-' MultiplicativeExpr<a name="line.988"></a> |
| <FONT color="green">989</FONT> *<a name="line.989"></a> |
| <FONT color="green">990</FONT> *<a name="line.990"></a> |
| <FONT color="green">991</FONT> * @param addPos Position where expression is to be added, or -1 for append.<a name="line.991"></a> |
| <FONT color="green">992</FONT> *<a name="line.992"></a> |
| <FONT color="green">993</FONT> * @return the position at the end of the equality expression.<a name="line.993"></a> |
| <FONT color="green">994</FONT> *<a name="line.994"></a> |
| <FONT color="green">995</FONT> * @throws javax.xml.transform.TransformerException<a name="line.995"></a> |
| <FONT color="green">996</FONT> */<a name="line.996"></a> |
| <FONT color="green">997</FONT> protected int AdditiveExpr(int addPos) throws javax.xml.transform.TransformerException<a name="line.997"></a> |
| <FONT color="green">998</FONT> {<a name="line.998"></a> |
| <FONT color="green">999</FONT> <a name="line.999"></a> |
| <FONT color="green">1000</FONT> int opPos = m_ops.getOp(OpMap.MAPINDEX_LENGTH);<a name="line.1000"></a> |
| <FONT color="green">1001</FONT> <a name="line.1001"></a> |
| <FONT color="green">1002</FONT> if (-1 == addPos)<a name="line.1002"></a> |
| <FONT color="green">1003</FONT> addPos = opPos;<a name="line.1003"></a> |
| <FONT color="green">1004</FONT> <a name="line.1004"></a> |
| <FONT color="green">1005</FONT> MultiplicativeExpr(-1);<a name="line.1005"></a> |
| <FONT color="green">1006</FONT> <a name="line.1006"></a> |
| <FONT color="green">1007</FONT> if (null != m_token)<a name="line.1007"></a> |
| <FONT color="green">1008</FONT> {<a name="line.1008"></a> |
| <FONT color="green">1009</FONT> if (tokenIs('+'))<a name="line.1009"></a> |
| <FONT color="green">1010</FONT> {<a name="line.1010"></a> |
| <FONT color="green">1011</FONT> nextToken();<a name="line.1011"></a> |
| <FONT color="green">1012</FONT> insertOp(addPos, 2, OpCodes.OP_PLUS);<a name="line.1012"></a> |
| <FONT color="green">1013</FONT> <a name="line.1013"></a> |
| <FONT color="green">1014</FONT> int opPlusLeftHandLen = m_ops.getOp(OpMap.MAPINDEX_LENGTH) - addPos;<a name="line.1014"></a> |
| <FONT color="green">1015</FONT> <a name="line.1015"></a> |
| <FONT color="green">1016</FONT> addPos = AdditiveExpr(addPos);<a name="line.1016"></a> |
| <FONT color="green">1017</FONT> m_ops.setOp(addPos + OpMap.MAPINDEX_LENGTH,<a name="line.1017"></a> |
| <FONT color="green">1018</FONT> m_ops.getOp(addPos + opPlusLeftHandLen + 1) + opPlusLeftHandLen);<a name="line.1018"></a> |
| <FONT color="green">1019</FONT> addPos += 2;<a name="line.1019"></a> |
| <FONT color="green">1020</FONT> }<a name="line.1020"></a> |
| <FONT color="green">1021</FONT> else if (tokenIs('-'))<a name="line.1021"></a> |
| <FONT color="green">1022</FONT> {<a name="line.1022"></a> |
| <FONT color="green">1023</FONT> nextToken();<a name="line.1023"></a> |
| <FONT color="green">1024</FONT> insertOp(addPos, 2, OpCodes.OP_MINUS);<a name="line.1024"></a> |
| <FONT color="green">1025</FONT> <a name="line.1025"></a> |
| <FONT color="green">1026</FONT> int opPlusLeftHandLen = m_ops.getOp(OpMap.MAPINDEX_LENGTH) - addPos;<a name="line.1026"></a> |
| <FONT color="green">1027</FONT> <a name="line.1027"></a> |
| <FONT color="green">1028</FONT> addPos = AdditiveExpr(addPos);<a name="line.1028"></a> |
| <FONT color="green">1029</FONT> m_ops.setOp(addPos + OpMap.MAPINDEX_LENGTH, <a name="line.1029"></a> |
| <FONT color="green">1030</FONT> m_ops.getOp(addPos + opPlusLeftHandLen + 1) + opPlusLeftHandLen);<a name="line.1030"></a> |
| <FONT color="green">1031</FONT> addPos += 2;<a name="line.1031"></a> |
| <FONT color="green">1032</FONT> }<a name="line.1032"></a> |
| <FONT color="green">1033</FONT> }<a name="line.1033"></a> |
| <FONT color="green">1034</FONT> <a name="line.1034"></a> |
| <FONT color="green">1035</FONT> return addPos;<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> * This has to handle construction of the operations so that they are evaluated<a name="line.1039"></a> |
| <FONT color="green">1040</FONT> * in pre-fix order. So, for 9+7-6, instead of |+|9|-|7|6|, this needs to be<a name="line.1040"></a> |
| <FONT color="green">1041</FONT> * evaluated as |-|+|9|7|6|.<a name="line.1041"></a> |
| <FONT color="green">1042</FONT> *<a name="line.1042"></a> |
| <FONT color="green">1043</FONT> * MultiplicativeExpr ::= UnaryExpr<a name="line.1043"></a> |
| <FONT color="green">1044</FONT> * | MultiplicativeExpr MultiplyOperator UnaryExpr<a name="line.1044"></a> |
| <FONT color="green">1045</FONT> * | MultiplicativeExpr 'div' UnaryExpr<a name="line.1045"></a> |
| <FONT color="green">1046</FONT> * | MultiplicativeExpr 'mod' UnaryExpr<a name="line.1046"></a> |
| <FONT color="green">1047</FONT> * | MultiplicativeExpr 'quo' UnaryExpr<a name="line.1047"></a> |
| <FONT color="green">1048</FONT> *<a name="line.1048"></a> |
| <FONT color="green">1049</FONT> * @param addPos Position where expression is to be added, or -1 for append.<a name="line.1049"></a> |
| <FONT color="green">1050</FONT> *<a name="line.1050"></a> |
| <FONT color="green">1051</FONT> * @return the position at the end of the equality expression.<a name="line.1051"></a> |
| <FONT color="green">1052</FONT> *<a name="line.1052"></a> |
| <FONT color="green">1053</FONT> * @throws javax.xml.transform.TransformerException<a name="line.1053"></a> |
| <FONT color="green">1054</FONT> */<a name="line.1054"></a> |
| <FONT color="green">1055</FONT> protected int MultiplicativeExpr(int addPos) throws javax.xml.transform.TransformerException<a name="line.1055"></a> |
| <FONT color="green">1056</FONT> {<a name="line.1056"></a> |
| <FONT color="green">1057</FONT> <a name="line.1057"></a> |
| <FONT color="green">1058</FONT> int opPos = m_ops.getOp(OpMap.MAPINDEX_LENGTH);<a name="line.1058"></a> |
| <FONT color="green">1059</FONT> <a name="line.1059"></a> |
| <FONT color="green">1060</FONT> if (-1 == addPos)<a name="line.1060"></a> |
| <FONT color="green">1061</FONT> addPos = opPos;<a name="line.1061"></a> |
| <FONT color="green">1062</FONT> <a name="line.1062"></a> |
| <FONT color="green">1063</FONT> UnaryExpr();<a name="line.1063"></a> |
| <FONT color="green">1064</FONT> <a name="line.1064"></a> |
| <FONT color="green">1065</FONT> if (null != m_token)<a name="line.1065"></a> |
| <FONT color="green">1066</FONT> {<a name="line.1066"></a> |
| <FONT color="green">1067</FONT> if (tokenIs('*'))<a name="line.1067"></a> |
| <FONT color="green">1068</FONT> {<a name="line.1068"></a> |
| <FONT color="green">1069</FONT> nextToken();<a name="line.1069"></a> |
| <FONT color="green">1070</FONT> insertOp(addPos, 2, OpCodes.OP_MULT);<a name="line.1070"></a> |
| <FONT color="green">1071</FONT> <a name="line.1071"></a> |
| <FONT color="green">1072</FONT> int opPlusLeftHandLen = m_ops.getOp(OpMap.MAPINDEX_LENGTH) - addPos;<a name="line.1072"></a> |
| <FONT color="green">1073</FONT> <a name="line.1073"></a> |
| <FONT color="green">1074</FONT> addPos = MultiplicativeExpr(addPos);<a name="line.1074"></a> |
| <FONT color="green">1075</FONT> m_ops.setOp(addPos + OpMap.MAPINDEX_LENGTH,<a name="line.1075"></a> |
| <FONT color="green">1076</FONT> m_ops.getOp(addPos + opPlusLeftHandLen + 1) + opPlusLeftHandLen);<a name="line.1076"></a> |
| <FONT color="green">1077</FONT> addPos += 2;<a name="line.1077"></a> |
| <FONT color="green">1078</FONT> }<a name="line.1078"></a> |
| <FONT color="green">1079</FONT> else if (tokenIs("div"))<a name="line.1079"></a> |
| <FONT color="green">1080</FONT> {<a name="line.1080"></a> |
| <FONT color="green">1081</FONT> nextToken();<a name="line.1081"></a> |
| <FONT color="green">1082</FONT> insertOp(addPos, 2, OpCodes.OP_DIV);<a name="line.1082"></a> |
| <FONT color="green">1083</FONT> <a name="line.1083"></a> |
| <FONT color="green">1084</FONT> int opPlusLeftHandLen = m_ops.getOp(OpMap.MAPINDEX_LENGTH) - addPos;<a name="line.1084"></a> |
| <FONT color="green">1085</FONT> <a name="line.1085"></a> |
| <FONT color="green">1086</FONT> addPos = MultiplicativeExpr(addPos);<a name="line.1086"></a> |
| <FONT color="green">1087</FONT> m_ops.setOp(addPos + OpMap.MAPINDEX_LENGTH,<a name="line.1087"></a> |
| <FONT color="green">1088</FONT> m_ops.getOp(addPos + opPlusLeftHandLen + 1) + opPlusLeftHandLen);<a name="line.1088"></a> |
| <FONT color="green">1089</FONT> addPos += 2;<a name="line.1089"></a> |
| <FONT color="green">1090</FONT> }<a name="line.1090"></a> |
| <FONT color="green">1091</FONT> else if (tokenIs("mod"))<a name="line.1091"></a> |
| <FONT color="green">1092</FONT> {<a name="line.1092"></a> |
| <FONT color="green">1093</FONT> nextToken();<a name="line.1093"></a> |
| <FONT color="green">1094</FONT> insertOp(addPos, 2, OpCodes.OP_MOD);<a name="line.1094"></a> |
| <FONT color="green">1095</FONT> <a name="line.1095"></a> |
| <FONT color="green">1096</FONT> int opPlusLeftHandLen = m_ops.getOp(OpMap.MAPINDEX_LENGTH) - addPos;<a name="line.1096"></a> |
| <FONT color="green">1097</FONT> <a name="line.1097"></a> |
| <FONT color="green">1098</FONT> addPos = MultiplicativeExpr(addPos);<a name="line.1098"></a> |
| <FONT color="green">1099</FONT> m_ops.setOp(addPos + OpMap.MAPINDEX_LENGTH,<a name="line.1099"></a> |
| <FONT color="green">1100</FONT> m_ops.getOp(addPos + opPlusLeftHandLen + 1) + opPlusLeftHandLen);<a name="line.1100"></a> |
| <FONT color="green">1101</FONT> addPos += 2;<a name="line.1101"></a> |
| <FONT color="green">1102</FONT> }<a name="line.1102"></a> |
| <FONT color="green">1103</FONT> else if (tokenIs("quo"))<a name="line.1103"></a> |
| <FONT color="green">1104</FONT> {<a name="line.1104"></a> |
| <FONT color="green">1105</FONT> nextToken();<a name="line.1105"></a> |
| <FONT color="green">1106</FONT> insertOp(addPos, 2, OpCodes.OP_QUO);<a name="line.1106"></a> |
| <FONT color="green">1107</FONT> <a name="line.1107"></a> |
| <FONT color="green">1108</FONT> int opPlusLeftHandLen = m_ops.getOp(OpMap.MAPINDEX_LENGTH) - addPos;<a name="line.1108"></a> |
| <FONT color="green">1109</FONT> <a name="line.1109"></a> |
| <FONT color="green">1110</FONT> addPos = MultiplicativeExpr(addPos);<a name="line.1110"></a> |
| <FONT color="green">1111</FONT> m_ops.setOp(addPos + OpMap.MAPINDEX_LENGTH,<a name="line.1111"></a> |
| <FONT color="green">1112</FONT> m_ops.getOp(addPos + opPlusLeftHandLen + 1) + opPlusLeftHandLen);<a name="line.1112"></a> |
| <FONT color="green">1113</FONT> addPos += 2;<a name="line.1113"></a> |
| <FONT color="green">1114</FONT> }<a name="line.1114"></a> |
| <FONT color="green">1115</FONT> }<a name="line.1115"></a> |
| <FONT color="green">1116</FONT> <a name="line.1116"></a> |
| <FONT color="green">1117</FONT> return addPos;<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> /**<a name="line.1120"></a> |
| <FONT color="green">1121</FONT> *<a name="line.1121"></a> |
| <FONT color="green">1122</FONT> * UnaryExpr ::= UnionExpr<a name="line.1122"></a> |
| <FONT color="green">1123</FONT> * | '-' UnaryExpr<a name="line.1123"></a> |
| <FONT color="green">1124</FONT> *<a name="line.1124"></a> |
| <FONT color="green">1125</FONT> *<a name="line.1125"></a> |
| <FONT color="green">1126</FONT> * @throws javax.xml.transform.TransformerException<a name="line.1126"></a> |
| <FONT color="green">1127</FONT> */<a name="line.1127"></a> |
| <FONT color="green">1128</FONT> protected void UnaryExpr() throws javax.xml.transform.TransformerException<a name="line.1128"></a> |
| <FONT color="green">1129</FONT> {<a name="line.1129"></a> |
| <FONT color="green">1130</FONT> <a name="line.1130"></a> |
| <FONT color="green">1131</FONT> int opPos = m_ops.getOp(OpMap.MAPINDEX_LENGTH);<a name="line.1131"></a> |
| <FONT color="green">1132</FONT> boolean isNeg = false;<a name="line.1132"></a> |
| <FONT color="green">1133</FONT> <a name="line.1133"></a> |
| <FONT color="green">1134</FONT> if (m_tokenChar == '-')<a name="line.1134"></a> |
| <FONT color="green">1135</FONT> {<a name="line.1135"></a> |
| <FONT color="green">1136</FONT> nextToken();<a name="line.1136"></a> |
| <FONT color="green">1137</FONT> appendOp(2, OpCodes.OP_NEG);<a name="line.1137"></a> |
| <FONT color="green">1138</FONT> <a name="line.1138"></a> |
| <FONT color="green">1139</FONT> isNeg = true;<a name="line.1139"></a> |
| <FONT color="green">1140</FONT> }<a name="line.1140"></a> |
| <FONT color="green">1141</FONT> <a name="line.1141"></a> |
| <FONT color="green">1142</FONT> UnionExpr();<a name="line.1142"></a> |
| <FONT color="green">1143</FONT> <a name="line.1143"></a> |
| <FONT color="green">1144</FONT> if (isNeg)<a name="line.1144"></a> |
| <FONT color="green">1145</FONT> m_ops.setOp(opPos + OpMap.MAPINDEX_LENGTH,<a name="line.1145"></a> |
| <FONT color="green">1146</FONT> m_ops.getOp(OpMap.MAPINDEX_LENGTH) - opPos);<a name="line.1146"></a> |
| <FONT color="green">1147</FONT> }<a name="line.1147"></a> |
| <FONT color="green">1148</FONT> <a name="line.1148"></a> |
| <FONT color="green">1149</FONT> /**<a name="line.1149"></a> |
| <FONT color="green">1150</FONT> *<a name="line.1150"></a> |
| <FONT color="green">1151</FONT> * StringExpr ::= Expr<a name="line.1151"></a> |
| <FONT color="green">1152</FONT> *<a name="line.1152"></a> |
| <FONT color="green">1153</FONT> *<a name="line.1153"></a> |
| <FONT color="green">1154</FONT> * @throws javax.xml.transform.TransformerException<a name="line.1154"></a> |
| <FONT color="green">1155</FONT> */<a name="line.1155"></a> |
| <FONT color="green">1156</FONT> protected void StringExpr() throws javax.xml.transform.TransformerException<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> int opPos = m_ops.getOp(OpMap.MAPINDEX_LENGTH);<a name="line.1159"></a> |
| <FONT color="green">1160</FONT> <a name="line.1160"></a> |
| <FONT color="green">1161</FONT> appendOp(2, OpCodes.OP_STRING);<a name="line.1161"></a> |
| <FONT color="green">1162</FONT> Expr();<a name="line.1162"></a> |
| <FONT color="green">1163</FONT> <a name="line.1163"></a> |
| <FONT color="green">1164</FONT> m_ops.setOp(opPos + OpMap.MAPINDEX_LENGTH,<a name="line.1164"></a> |
| <FONT color="green">1165</FONT> m_ops.getOp(OpMap.MAPINDEX_LENGTH) - opPos);<a name="line.1165"></a> |
| <FONT color="green">1166</FONT> }<a name="line.1166"></a> |
| <FONT color="green">1167</FONT> <a name="line.1167"></a> |
| <FONT color="green">1168</FONT> /**<a name="line.1168"></a> |
| <FONT color="green">1169</FONT> *<a name="line.1169"></a> |
| <FONT color="green">1170</FONT> *<a name="line.1170"></a> |
| <FONT color="green">1171</FONT> * StringExpr ::= Expr<a name="line.1171"></a> |
| <FONT color="green">1172</FONT> *<a name="line.1172"></a> |
| <FONT color="green">1173</FONT> *<a name="line.1173"></a> |
| <FONT color="green">1174</FONT> * @throws javax.xml.transform.TransformerException<a name="line.1174"></a> |
| <FONT color="green">1175</FONT> */<a name="line.1175"></a> |
| <FONT color="green">1176</FONT> protected void BooleanExpr() throws javax.xml.transform.TransformerException<a name="line.1176"></a> |
| <FONT color="green">1177</FONT> {<a name="line.1177"></a> |
| <FONT color="green">1178</FONT> <a name="line.1178"></a> |
| <FONT color="green">1179</FONT> int opPos = m_ops.getOp(OpMap.MAPINDEX_LENGTH);<a name="line.1179"></a> |
| <FONT color="green">1180</FONT> <a name="line.1180"></a> |
| <FONT color="green">1181</FONT> appendOp(2, OpCodes.OP_BOOL);<a name="line.1181"></a> |
| <FONT color="green">1182</FONT> Expr();<a name="line.1182"></a> |
| <FONT color="green">1183</FONT> <a name="line.1183"></a> |
| <FONT color="green">1184</FONT> int opLen = m_ops.getOp(OpMap.MAPINDEX_LENGTH) - opPos;<a name="line.1184"></a> |
| <FONT color="green">1185</FONT> <a name="line.1185"></a> |
| <FONT color="green">1186</FONT> if (opLen == 2)<a name="line.1186"></a> |
| <FONT color="green">1187</FONT> {<a name="line.1187"></a> |
| <FONT color="green">1188</FONT> error(XPATHErrorResources.ER_BOOLEAN_ARG_NO_LONGER_OPTIONAL, null); //"boolean(...) argument is no longer optional with 19990709 XPath draft.");<a name="line.1188"></a> |
| <FONT color="green">1189</FONT> }<a name="line.1189"></a> |
| <FONT color="green">1190</FONT> <a name="line.1190"></a> |
| <FONT color="green">1191</FONT> m_ops.setOp(opPos + OpMap.MAPINDEX_LENGTH, opLen);<a name="line.1191"></a> |
| <FONT color="green">1192</FONT> }<a name="line.1192"></a> |
| <FONT color="green">1193</FONT> <a name="line.1193"></a> |
| <FONT color="green">1194</FONT> /**<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> * NumberExpr ::= Expr<a name="line.1197"></a> |
| <FONT color="green">1198</FONT> *<a name="line.1198"></a> |
| <FONT color="green">1199</FONT> *<a name="line.1199"></a> |
| <FONT color="green">1200</FONT> * @throws javax.xml.transform.TransformerException<a name="line.1200"></a> |
| <FONT color="green">1201</FONT> */<a name="line.1201"></a> |
| <FONT color="green">1202</FONT> protected void NumberExpr() throws javax.xml.transform.TransformerException<a name="line.1202"></a> |
| <FONT color="green">1203</FONT> {<a name="line.1203"></a> |
| <FONT color="green">1204</FONT> <a name="line.1204"></a> |
| <FONT color="green">1205</FONT> int opPos = m_ops.getOp(OpMap.MAPINDEX_LENGTH);<a name="line.1205"></a> |
| <FONT color="green">1206</FONT> <a name="line.1206"></a> |
| <FONT color="green">1207</FONT> appendOp(2, OpCodes.OP_NUMBER);<a name="line.1207"></a> |
| <FONT color="green">1208</FONT> Expr();<a name="line.1208"></a> |
| <FONT color="green">1209</FONT> <a name="line.1209"></a> |
| <FONT color="green">1210</FONT> m_ops.setOp(opPos + OpMap.MAPINDEX_LENGTH,<a name="line.1210"></a> |
| <FONT color="green">1211</FONT> m_ops.getOp(OpMap.MAPINDEX_LENGTH) - opPos);<a name="line.1211"></a> |
| <FONT color="green">1212</FONT> }<a name="line.1212"></a> |
| <FONT color="green">1213</FONT> <a name="line.1213"></a> |
| <FONT color="green">1214</FONT> /**<a name="line.1214"></a> |
| <FONT color="green">1215</FONT> * The context of the right hand side expressions is the context of the<a name="line.1215"></a> |
| <FONT color="green">1216</FONT> * left hand side expression. The results of the right hand side expressions<a name="line.1216"></a> |
| <FONT color="green">1217</FONT> * are node sets. The result of the left hand side UnionExpr is the union<a name="line.1217"></a> |
| <FONT color="green">1218</FONT> * of the results of the right hand side expressions.<a name="line.1218"></a> |
| <FONT color="green">1219</FONT> *<a name="line.1219"></a> |
| <FONT color="green">1220</FONT> *<a name="line.1220"></a> |
| <FONT color="green">1221</FONT> * UnionExpr ::= PathExpr<a name="line.1221"></a> |
| <FONT color="green">1222</FONT> * | UnionExpr '|' PathExpr<a name="line.1222"></a> |
| <FONT color="green">1223</FONT> *<a name="line.1223"></a> |
| <FONT color="green">1224</FONT> *<a name="line.1224"></a> |
| <FONT color="green">1225</FONT> * @throws javax.xml.transform.TransformerException<a name="line.1225"></a> |
| <FONT color="green">1226</FONT> */<a name="line.1226"></a> |
| <FONT color="green">1227</FONT> protected void UnionExpr() throws javax.xml.transform.TransformerException<a name="line.1227"></a> |
| <FONT color="green">1228</FONT> {<a name="line.1228"></a> |
| <FONT color="green">1229</FONT> <a name="line.1229"></a> |
| <FONT color="green">1230</FONT> int opPos = m_ops.getOp(OpMap.MAPINDEX_LENGTH);<a name="line.1230"></a> |
| <FONT color="green">1231</FONT> boolean continueOrLoop = true;<a name="line.1231"></a> |
| <FONT color="green">1232</FONT> boolean foundUnion = false;<a name="line.1232"></a> |
| <FONT color="green">1233</FONT> <a name="line.1233"></a> |
| <FONT color="green">1234</FONT> do<a name="line.1234"></a> |
| <FONT color="green">1235</FONT> {<a name="line.1235"></a> |
| <FONT color="green">1236</FONT> PathExpr();<a name="line.1236"></a> |
| <FONT color="green">1237</FONT> <a name="line.1237"></a> |
| <FONT color="green">1238</FONT> if (tokenIs('|'))<a name="line.1238"></a> |
| <FONT color="green">1239</FONT> {<a name="line.1239"></a> |
| <FONT color="green">1240</FONT> if (false == foundUnion)<a name="line.1240"></a> |
| <FONT color="green">1241</FONT> {<a name="line.1241"></a> |
| <FONT color="green">1242</FONT> foundUnion = true;<a name="line.1242"></a> |
| <FONT color="green">1243</FONT> <a name="line.1243"></a> |
| <FONT color="green">1244</FONT> insertOp(opPos, 2, OpCodes.OP_UNION);<a name="line.1244"></a> |
| <FONT color="green">1245</FONT> }<a name="line.1245"></a> |
| <FONT color="green">1246</FONT> <a name="line.1246"></a> |
| <FONT color="green">1247</FONT> nextToken();<a name="line.1247"></a> |
| <FONT color="green">1248</FONT> }<a name="line.1248"></a> |
| <FONT color="green">1249</FONT> else<a name="line.1249"></a> |
| <FONT color="green">1250</FONT> {<a name="line.1250"></a> |
| <FONT color="green">1251</FONT> break;<a name="line.1251"></a> |
| <FONT color="green">1252</FONT> }<a name="line.1252"></a> |
| <FONT color="green">1253</FONT> <a name="line.1253"></a> |
| <FONT color="green">1254</FONT> // this.m_testForDocOrder = true;<a name="line.1254"></a> |
| <FONT color="green">1255</FONT> }<a name="line.1255"></a> |
| <FONT color="green">1256</FONT> while (continueOrLoop);<a name="line.1256"></a> |
| <FONT color="green">1257</FONT> <a name="line.1257"></a> |
| <FONT color="green">1258</FONT> m_ops.setOp(opPos + OpMap.MAPINDEX_LENGTH,<a name="line.1258"></a> |
| <FONT color="green">1259</FONT> m_ops.getOp(OpMap.MAPINDEX_LENGTH) - opPos);<a name="line.1259"></a> |
| <FONT color="green">1260</FONT> }<a name="line.1260"></a> |
| <FONT color="green">1261</FONT> <a name="line.1261"></a> |
| <FONT color="green">1262</FONT> /**<a name="line.1262"></a> |
| <FONT color="green">1263</FONT> * PathExpr ::= LocationPath<a name="line.1263"></a> |
| <FONT color="green">1264</FONT> * | FilterExpr<a name="line.1264"></a> |
| <FONT color="green">1265</FONT> * | FilterExpr '/' RelativeLocationPath<a name="line.1265"></a> |
| <FONT color="green">1266</FONT> * | FilterExpr '//' RelativeLocationPath<a name="line.1266"></a> |
| <FONT color="green">1267</FONT> *<a name="line.1267"></a> |
| <FONT color="green">1268</FONT> * @throws XSLProcessorException thrown if the active ProblemListener and XPathContext decide<a name="line.1268"></a> |
| <FONT color="green">1269</FONT> * the error condition is severe enough to halt processing.<a name="line.1269"></a> |
| <FONT color="green">1270</FONT> *<a name="line.1270"></a> |
| <FONT color="green">1271</FONT> * @throws javax.xml.transform.TransformerException<a name="line.1271"></a> |
| <FONT color="green">1272</FONT> */<a name="line.1272"></a> |
| <FONT color="green">1273</FONT> protected void PathExpr() throws javax.xml.transform.TransformerException<a name="line.1273"></a> |
| <FONT color="green">1274</FONT> {<a name="line.1274"></a> |
| <FONT color="green">1275</FONT> <a name="line.1275"></a> |
| <FONT color="green">1276</FONT> int opPos = m_ops.getOp(OpMap.MAPINDEX_LENGTH);<a name="line.1276"></a> |
| <FONT color="green">1277</FONT> <a name="line.1277"></a> |
| <FONT color="green">1278</FONT> int filterExprMatch = FilterExpr();<a name="line.1278"></a> |
| <FONT color="green">1279</FONT> <a name="line.1279"></a> |
| <FONT color="green">1280</FONT> if (filterExprMatch != FILTER_MATCH_FAILED)<a name="line.1280"></a> |
| <FONT color="green">1281</FONT> {<a name="line.1281"></a> |
| <FONT color="green">1282</FONT> // If FilterExpr had Predicates, a OP_LOCATIONPATH opcode would already<a name="line.1282"></a> |
| <FONT color="green">1283</FONT> // have been inserted.<a name="line.1283"></a> |
| <FONT color="green">1284</FONT> boolean locationPathStarted = (filterExprMatch==FILTER_MATCH_PREDICATES);<a name="line.1284"></a> |
| <FONT color="green">1285</FONT> <a name="line.1285"></a> |
| <FONT color="green">1286</FONT> if (tokenIs('/'))<a name="line.1286"></a> |
| <FONT color="green">1287</FONT> {<a name="line.1287"></a> |
| <FONT color="green">1288</FONT> nextToken();<a name="line.1288"></a> |
| <FONT color="green">1289</FONT> <a name="line.1289"></a> |
| <FONT color="green">1290</FONT> if (!locationPathStarted)<a name="line.1290"></a> |
| <FONT color="green">1291</FONT> {<a name="line.1291"></a> |
| <FONT color="green">1292</FONT> // int locationPathOpPos = opPos;<a name="line.1292"></a> |
| <FONT color="green">1293</FONT> insertOp(opPos, 2, OpCodes.OP_LOCATIONPATH);<a name="line.1293"></a> |
| <FONT color="green">1294</FONT> <a name="line.1294"></a> |
| <FONT color="green">1295</FONT> locationPathStarted = true;<a name="line.1295"></a> |
| <FONT color="green">1296</FONT> }<a name="line.1296"></a> |
| <FONT color="green">1297</FONT> <a name="line.1297"></a> |
| <FONT color="green">1298</FONT> if (!RelativeLocationPath())<a name="line.1298"></a> |
| <FONT color="green">1299</FONT> {<a name="line.1299"></a> |
| <FONT color="green">1300</FONT> // "Relative location path expected following '/' or '//'"<a name="line.1300"></a> |
| <FONT color="green">1301</FONT> error(XPATHErrorResources.ER_EXPECTED_REL_LOC_PATH, null);<a name="line.1301"></a> |
| <FONT color="green">1302</FONT> }<a name="line.1302"></a> |
| <FONT color="green">1303</FONT> <a name="line.1303"></a> |
| <FONT color="green">1304</FONT> }<a name="line.1304"></a> |
| <FONT color="green">1305</FONT> <a name="line.1305"></a> |
| <FONT color="green">1306</FONT> // Terminate for safety.<a name="line.1306"></a> |
| <FONT color="green">1307</FONT> if (locationPathStarted)<a name="line.1307"></a> |
| <FONT color="green">1308</FONT> {<a name="line.1308"></a> |
| <FONT color="green">1309</FONT> m_ops.setOp(m_ops.getOp(OpMap.MAPINDEX_LENGTH), OpCodes.ENDOP);<a name="line.1309"></a> |
| <FONT color="green">1310</FONT> m_ops.setOp(OpMap.MAPINDEX_LENGTH, m_ops.getOp(OpMap.MAPINDEX_LENGTH) + 1);<a name="line.1310"></a> |
| <FONT color="green">1311</FONT> m_ops.setOp(opPos + OpMap.MAPINDEX_LENGTH,<a name="line.1311"></a> |
| <FONT color="green">1312</FONT> m_ops.getOp(OpMap.MAPINDEX_LENGTH) - opPos);<a name="line.1312"></a> |
| <FONT color="green">1313</FONT> }<a name="line.1313"></a> |
| <FONT color="green">1314</FONT> }<a name="line.1314"></a> |
| <FONT color="green">1315</FONT> else<a name="line.1315"></a> |
| <FONT color="green">1316</FONT> {<a name="line.1316"></a> |
| <FONT color="green">1317</FONT> LocationPath();<a name="line.1317"></a> |
| <FONT color="green">1318</FONT> }<a name="line.1318"></a> |
| <FONT color="green">1319</FONT> }<a name="line.1319"></a> |
| <FONT color="green">1320</FONT> <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> * FilterExpr ::= PrimaryExpr<a name="line.1324"></a> |
| <FONT color="green">1325</FONT> * | FilterExpr Predicate<a name="line.1325"></a> |
| <FONT color="green">1326</FONT> *<a name="line.1326"></a> |
| <FONT color="green">1327</FONT> * @throws XSLProcessorException thrown if the active ProblemListener and XPathContext decide<a name="line.1327"></a> |
| <FONT color="green">1328</FONT> * the error condition is severe enough to halt processing.<a name="line.1328"></a> |
| <FONT color="green">1329</FONT> *<a name="line.1329"></a> |
| <FONT color="green">1330</FONT> * @return FILTER_MATCH_PREDICATES, if this method successfully matched a<a name="line.1330"></a> |
| <FONT color="green">1331</FONT> * FilterExpr with one or more Predicates;<a name="line.1331"></a> |
| <FONT color="green">1332</FONT> * FILTER_MATCH_PRIMARY, if this method successfully matched a<a name="line.1332"></a> |
| <FONT color="green">1333</FONT> * FilterExpr that was just a PrimaryExpr; or<a name="line.1333"></a> |
| <FONT color="green">1334</FONT> * FILTER_MATCH_FAILED, if this method did not match a FilterExpr<a name="line.1334"></a> |
| <FONT color="green">1335</FONT> *<a name="line.1335"></a> |
| <FONT color="green">1336</FONT> * @throws javax.xml.transform.TransformerException<a name="line.1336"></a> |
| <FONT color="green">1337</FONT> */<a name="line.1337"></a> |
| <FONT color="green">1338</FONT> protected int FilterExpr() throws javax.xml.transform.TransformerException<a name="line.1338"></a> |
| <FONT color="green">1339</FONT> {<a name="line.1339"></a> |
| <FONT color="green">1340</FONT> <a name="line.1340"></a> |
| <FONT color="green">1341</FONT> int opPos = m_ops.getOp(OpMap.MAPINDEX_LENGTH);<a name="line.1341"></a> |
| <FONT color="green">1342</FONT> <a name="line.1342"></a> |
| <FONT color="green">1343</FONT> int filterMatch;<a name="line.1343"></a> |
| <FONT color="green">1344</FONT> <a name="line.1344"></a> |
| <FONT color="green">1345</FONT> if (PrimaryExpr())<a name="line.1345"></a> |
| <FONT color="green">1346</FONT> {<a name="line.1346"></a> |
| <FONT color="green">1347</FONT> if (tokenIs('['))<a name="line.1347"></a> |
| <FONT color="green">1348</FONT> {<a name="line.1348"></a> |
| <FONT color="green">1349</FONT> <a name="line.1349"></a> |
| <FONT color="green">1350</FONT> // int locationPathOpPos = opPos;<a name="line.1350"></a> |
| <FONT color="green">1351</FONT> insertOp(opPos, 2, OpCodes.OP_LOCATIONPATH);<a name="line.1351"></a> |
| <FONT color="green">1352</FONT> <a name="line.1352"></a> |
| <FONT color="green">1353</FONT> while (tokenIs('['))<a name="line.1353"></a> |
| <FONT color="green">1354</FONT> {<a name="line.1354"></a> |
| <FONT color="green">1355</FONT> Predicate();<a name="line.1355"></a> |
| <FONT color="green">1356</FONT> }<a name="line.1356"></a> |
| <FONT color="green">1357</FONT> <a name="line.1357"></a> |
| <FONT color="green">1358</FONT> filterMatch = FILTER_MATCH_PREDICATES;<a name="line.1358"></a> |
| <FONT color="green">1359</FONT> }<a name="line.1359"></a> |
| <FONT color="green">1360</FONT> else<a name="line.1360"></a> |
| <FONT color="green">1361</FONT> {<a name="line.1361"></a> |
| <FONT color="green">1362</FONT> filterMatch = FILTER_MATCH_PRIMARY;<a name="line.1362"></a> |
| <FONT color="green">1363</FONT> }<a name="line.1363"></a> |
| <FONT color="green">1364</FONT> }<a name="line.1364"></a> |
| <FONT color="green">1365</FONT> else<a name="line.1365"></a> |
| <FONT color="green">1366</FONT> {<a name="line.1366"></a> |
| <FONT color="green">1367</FONT> filterMatch = FILTER_MATCH_FAILED;<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> return filterMatch;<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> * if(tokenIs('['))<a name="line.1373"></a> |
| <FONT color="green">1374</FONT> * {<a name="line.1374"></a> |
| <FONT color="green">1375</FONT> * Predicate();<a name="line.1375"></a> |
| <FONT color="green">1376</FONT> * m_ops.m_opMap[opPos + OpMap.MAPINDEX_LENGTH] = m_ops.m_opMap[OpMap.MAPINDEX_LENGTH] - opPos;<a name="line.1376"></a> |
| <FONT color="green">1377</FONT> * }<a name="line.1377"></a> |
| <FONT color="green">1378</FONT> */<a name="line.1378"></a> |
| <FONT color="green">1379</FONT> }<a name="line.1379"></a> |
| <FONT color="green">1380</FONT> <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> * PrimaryExpr ::= VariableReference<a name="line.1383"></a> |
| <FONT color="green">1384</FONT> * | '(' Expr ')'<a name="line.1384"></a> |
| <FONT color="green">1385</FONT> * | Literal<a name="line.1385"></a> |
| <FONT color="green">1386</FONT> * | Number<a name="line.1386"></a> |
| <FONT color="green">1387</FONT> * | FunctionCall<a name="line.1387"></a> |
| <FONT color="green">1388</FONT> *<a name="line.1388"></a> |
| <FONT color="green">1389</FONT> * @return true if this method successfully matched a PrimaryExpr<a name="line.1389"></a> |
| <FONT color="green">1390</FONT> *<a name="line.1390"></a> |
| <FONT color="green">1391</FONT> * @throws javax.xml.transform.TransformerException<a name="line.1391"></a> |
| <FONT color="green">1392</FONT> *<a name="line.1392"></a> |
| <FONT color="green">1393</FONT> */<a name="line.1393"></a> |
| <FONT color="green">1394</FONT> protected boolean PrimaryExpr() throws javax.xml.transform.TransformerException<a name="line.1394"></a> |
| <FONT color="green">1395</FONT> {<a name="line.1395"></a> |
| <FONT color="green">1396</FONT> <a name="line.1396"></a> |
| <FONT color="green">1397</FONT> boolean matchFound;<a name="line.1397"></a> |
| <FONT color="green">1398</FONT> int opPos = m_ops.getOp(OpMap.MAPINDEX_LENGTH);<a name="line.1398"></a> |
| <FONT color="green">1399</FONT> <a name="line.1399"></a> |
| <FONT color="green">1400</FONT> if ((m_tokenChar == '\'') || (m_tokenChar == '"'))<a name="line.1400"></a> |
| <FONT color="green">1401</FONT> {<a name="line.1401"></a> |
| <FONT color="green">1402</FONT> appendOp(2, OpCodes.OP_LITERAL);<a name="line.1402"></a> |
| <FONT color="green">1403</FONT> Literal();<a name="line.1403"></a> |
| <FONT color="green">1404</FONT> <a name="line.1404"></a> |
| <FONT color="green">1405</FONT> m_ops.setOp(opPos + OpMap.MAPINDEX_LENGTH, <a name="line.1405"></a> |
| <FONT color="green">1406</FONT> m_ops.getOp(OpMap.MAPINDEX_LENGTH) - opPos);<a name="line.1406"></a> |
| <FONT color="green">1407</FONT> <a name="line.1407"></a> |
| <FONT color="green">1408</FONT> matchFound = true;<a name="line.1408"></a> |
| <FONT color="green">1409</FONT> }<a name="line.1409"></a> |
| <FONT color="green">1410</FONT> else if (m_tokenChar == '$')<a name="line.1410"></a> |
| <FONT color="green">1411</FONT> {<a name="line.1411"></a> |
| <FONT color="green">1412</FONT> nextToken(); // consume '$'<a name="line.1412"></a> |
| <FONT color="green">1413</FONT> appendOp(2, OpCodes.OP_VARIABLE);<a name="line.1413"></a> |
| <FONT color="green">1414</FONT> QName();<a name="line.1414"></a> |
| <FONT color="green">1415</FONT> <a name="line.1415"></a> |
| <FONT color="green">1416</FONT> m_ops.setOp(opPos + OpMap.MAPINDEX_LENGTH,<a name="line.1416"></a> |
| <FONT color="green">1417</FONT> m_ops.getOp(OpMap.MAPINDEX_LENGTH) - opPos);<a name="line.1417"></a> |
| <FONT color="green">1418</FONT> <a name="line.1418"></a> |
| <FONT color="green">1419</FONT> matchFound = true;<a name="line.1419"></a> |
| <FONT color="green">1420</FONT> }<a name="line.1420"></a> |
| <FONT color="green">1421</FONT> else if (m_tokenChar == '(')<a name="line.1421"></a> |
| <FONT color="green">1422</FONT> {<a name="line.1422"></a> |
| <FONT color="green">1423</FONT> nextToken();<a name="line.1423"></a> |
| <FONT color="green">1424</FONT> appendOp(2, OpCodes.OP_GROUP);<a name="line.1424"></a> |
| <FONT color="green">1425</FONT> Expr();<a name="line.1425"></a> |
| <FONT color="green">1426</FONT> consumeExpected(')');<a name="line.1426"></a> |
| <FONT color="green">1427</FONT> <a name="line.1427"></a> |
| <FONT color="green">1428</FONT> m_ops.setOp(opPos + OpMap.MAPINDEX_LENGTH,<a name="line.1428"></a> |
| <FONT color="green">1429</FONT> m_ops.getOp(OpMap.MAPINDEX_LENGTH) - opPos);<a name="line.1429"></a> |
| <FONT color="green">1430</FONT> <a name="line.1430"></a> |
| <FONT color="green">1431</FONT> matchFound = true;<a name="line.1431"></a> |
| <FONT color="green">1432</FONT> }<a name="line.1432"></a> |
| <FONT color="green">1433</FONT> else if ((null != m_token) && ((('.' == m_tokenChar) && (m_token.length() > 1) && Character.isDigit(<a name="line.1433"></a> |
| <FONT color="green">1434</FONT> m_token.charAt(1))) || Character.isDigit(m_tokenChar)))<a name="line.1434"></a> |
| <FONT color="green">1435</FONT> {<a name="line.1435"></a> |
| <FONT color="green">1436</FONT> appendOp(2, OpCodes.OP_NUMBERLIT);<a name="line.1436"></a> |
| <FONT color="green">1437</FONT> Number();<a name="line.1437"></a> |
| <FONT color="green">1438</FONT> <a name="line.1438"></a> |
| <FONT color="green">1439</FONT> m_ops.setOp(opPos + OpMap.MAPINDEX_LENGTH,<a name="line.1439"></a> |
| <FONT color="green">1440</FONT> m_ops.getOp(OpMap.MAPINDEX_LENGTH) - opPos);<a name="line.1440"></a> |
| <FONT color="green">1441</FONT> <a name="line.1441"></a> |
| <FONT color="green">1442</FONT> matchFound = true;<a name="line.1442"></a> |
| <FONT color="green">1443</FONT> }<a name="line.1443"></a> |
| <FONT color="green">1444</FONT> else if (lookahead('(', 1) || (lookahead(':', 1) && lookahead('(', 3)))<a name="line.1444"></a> |
| <FONT color="green">1445</FONT> {<a name="line.1445"></a> |
| <FONT color="green">1446</FONT> matchFound = FunctionCall();<a name="line.1446"></a> |
| <FONT color="green">1447</FONT> }<a name="line.1447"></a> |
| <FONT color="green">1448</FONT> else<a name="line.1448"></a> |
| <FONT color="green">1449</FONT> {<a name="line.1449"></a> |
| <FONT color="green">1450</FONT> matchFound = false;<a name="line.1450"></a> |
| <FONT color="green">1451</FONT> }<a name="line.1451"></a> |
| <FONT color="green">1452</FONT> <a name="line.1452"></a> |
| <FONT color="green">1453</FONT> return matchFound;<a name="line.1453"></a> |
| <FONT color="green">1454</FONT> }<a name="line.1454"></a> |
| <FONT color="green">1455</FONT> <a name="line.1455"></a> |
| <FONT color="green">1456</FONT> /**<a name="line.1456"></a> |
| <FONT color="green">1457</FONT> *<a name="line.1457"></a> |
| <FONT color="green">1458</FONT> * Argument ::= Expr<a name="line.1458"></a> |
| <FONT color="green">1459</FONT> *<a name="line.1459"></a> |
| <FONT color="green">1460</FONT> *<a name="line.1460"></a> |
| <FONT color="green">1461</FONT> * @throws javax.xml.transform.TransformerException<a name="line.1461"></a> |
| <FONT color="green">1462</FONT> */<a name="line.1462"></a> |
| <FONT color="green">1463</FONT> protected void Argument() throws javax.xml.transform.TransformerException<a name="line.1463"></a> |
| <FONT color="green">1464</FONT> {<a name="line.1464"></a> |
| <FONT color="green">1465</FONT> <a name="line.1465"></a> |
| <FONT color="green">1466</FONT> int opPos = m_ops.getOp(OpMap.MAPINDEX_LENGTH);<a name="line.1466"></a> |
| <FONT color="green">1467</FONT> <a name="line.1467"></a> |
| <FONT color="green">1468</FONT> appendOp(2, OpCodes.OP_ARGUMENT);<a name="line.1468"></a> |
| <FONT color="green">1469</FONT> Expr();<a name="line.1469"></a> |
| <FONT color="green">1470</FONT> <a name="line.1470"></a> |
| <FONT color="green">1471</FONT> m_ops.setOp(opPos + OpMap.MAPINDEX_LENGTH,<a name="line.1471"></a> |
| <FONT color="green">1472</FONT> m_ops.getOp(OpMap.MAPINDEX_LENGTH) - opPos);<a name="line.1472"></a> |
| <FONT color="green">1473</FONT> }<a name="line.1473"></a> |
| <FONT color="green">1474</FONT> <a name="line.1474"></a> |
| <FONT color="green">1475</FONT> /**<a name="line.1475"></a> |
| <FONT color="green">1476</FONT> *<a name="line.1476"></a> |
| <FONT color="green">1477</FONT> * FunctionCall ::= FunctionName '(' ( Argument ( ',' Argument)*)? ')'<a name="line.1477"></a> |
| <FONT color="green">1478</FONT> *<a name="line.1478"></a> |
| <FONT color="green">1479</FONT> * @return true if, and only if, a FunctionCall was matched<a name="line.1479"></a> |
| <FONT color="green">1480</FONT> *<a name="line.1480"></a> |
| <FONT color="green">1481</FONT> * @throws javax.xml.transform.TransformerException<a name="line.1481"></a> |
| <FONT color="green">1482</FONT> */<a name="line.1482"></a> |
| <FONT color="green">1483</FONT> protected boolean FunctionCall() throws javax.xml.transform.TransformerException<a name="line.1483"></a> |
| <FONT color="green">1484</FONT> {<a name="line.1484"></a> |
| <FONT color="green">1485</FONT> <a name="line.1485"></a> |
| <FONT color="green">1486</FONT> int opPos = m_ops.getOp(OpMap.MAPINDEX_LENGTH);<a name="line.1486"></a> |
| <FONT color="green">1487</FONT> <a name="line.1487"></a> |
| <FONT color="green">1488</FONT> if (lookahead(':', 1))<a name="line.1488"></a> |
| <FONT color="green">1489</FONT> {<a name="line.1489"></a> |
| <FONT color="green">1490</FONT> appendOp(4, OpCodes.OP_EXTFUNCTION);<a name="line.1490"></a> |
| <FONT color="green">1491</FONT> <a name="line.1491"></a> |
| <FONT color="green">1492</FONT> m_ops.setOp(opPos + OpMap.MAPINDEX_LENGTH + 1, m_queueMark - 1);<a name="line.1492"></a> |
| <FONT color="green">1493</FONT> <a name="line.1493"></a> |
| <FONT color="green">1494</FONT> nextToken();<a name="line.1494"></a> |
| <FONT color="green">1495</FONT> consumeExpected(':');<a name="line.1495"></a> |
| <FONT color="green">1496</FONT> <a name="line.1496"></a> |
| <FONT color="green">1497</FONT> m_ops.setOp(opPos + OpMap.MAPINDEX_LENGTH + 2, m_queueMark - 1);<a name="line.1497"></a> |
| <FONT color="green">1498</FONT> <a name="line.1498"></a> |
| <FONT color="green">1499</FONT> nextToken();<a name="line.1499"></a> |
| <FONT color="green">1500</FONT> }<a name="line.1500"></a> |
| <FONT color="green">1501</FONT> else<a name="line.1501"></a> |
| <FONT color="green">1502</FONT> {<a name="line.1502"></a> |
| <FONT color="green">1503</FONT> int funcTok = getFunctionToken(m_token);<a name="line.1503"></a> |
| <FONT color="green">1504</FONT> <a name="line.1504"></a> |
| <FONT color="green">1505</FONT> if (-1 == funcTok)<a name="line.1505"></a> |
| <FONT color="green">1506</FONT> {<a name="line.1506"></a> |
| <FONT color="green">1507</FONT> error(XPATHErrorResources.ER_COULDNOT_FIND_FUNCTION,<a name="line.1507"></a> |
| <FONT color="green">1508</FONT> new Object[]{ m_token }); //"Could not find function: "+m_token+"()");<a name="line.1508"></a> |
| <FONT color="green">1509</FONT> }<a name="line.1509"></a> |
| <FONT color="green">1510</FONT> <a name="line.1510"></a> |
| <FONT color="green">1511</FONT> switch (funcTok)<a name="line.1511"></a> |
| <FONT color="green">1512</FONT> {<a name="line.1512"></a> |
| <FONT color="green">1513</FONT> case OpCodes.NODETYPE_PI :<a name="line.1513"></a> |
| <FONT color="green">1514</FONT> case OpCodes.NODETYPE_COMMENT :<a name="line.1514"></a> |
| <FONT color="green">1515</FONT> case OpCodes.NODETYPE_TEXT :<a name="line.1515"></a> |
| <FONT color="green">1516</FONT> case OpCodes.NODETYPE_NODE :<a name="line.1516"></a> |
| <FONT color="green">1517</FONT> // Node type tests look like function calls, but they're not<a name="line.1517"></a> |
| <FONT color="green">1518</FONT> return false;<a name="line.1518"></a> |
| <FONT color="green">1519</FONT> default :<a name="line.1519"></a> |
| <FONT color="green">1520</FONT> appendOp(3, OpCodes.OP_FUNCTION);<a name="line.1520"></a> |
| <FONT color="green">1521</FONT> <a name="line.1521"></a> |
| <FONT color="green">1522</FONT> m_ops.setOp(opPos + OpMap.MAPINDEX_LENGTH + 1, funcTok);<a name="line.1522"></a> |
| <FONT color="green">1523</FONT> }<a name="line.1523"></a> |
| <FONT color="green">1524</FONT> <a name="line.1524"></a> |
| <FONT color="green">1525</FONT> nextToken();<a name="line.1525"></a> |
| <FONT color="green">1526</FONT> }<a name="line.1526"></a> |
| <FONT color="green">1527</FONT> <a name="line.1527"></a> |
| <FONT color="green">1528</FONT> consumeExpected('(');<a name="line.1528"></a> |
| <FONT color="green">1529</FONT> <a name="line.1529"></a> |
| <FONT color="green">1530</FONT> while (!tokenIs(')') && m_token != null)<a name="line.1530"></a> |
| <FONT color="green">1531</FONT> {<a name="line.1531"></a> |
| <FONT color="green">1532</FONT> if (tokenIs(','))<a name="line.1532"></a> |
| <FONT color="green">1533</FONT> {<a name="line.1533"></a> |
| <FONT color="green">1534</FONT> error(XPATHErrorResources.ER_FOUND_COMMA_BUT_NO_PRECEDING_ARG, null); //"Found ',' but no preceding argument!");<a name="line.1534"></a> |
| <FONT color="green">1535</FONT> }<a name="line.1535"></a> |
| <FONT color="green">1536</FONT> <a name="line.1536"></a> |
| <FONT color="green">1537</FONT> Argument();<a name="line.1537"></a> |
| <FONT color="green">1538</FONT> <a name="line.1538"></a> |
| <FONT color="green">1539</FONT> if (!tokenIs(')'))<a name="line.1539"></a> |
| <FONT color="green">1540</FONT> {<a name="line.1540"></a> |
| <FONT color="green">1541</FONT> consumeExpected(',');<a name="line.1541"></a> |
| <FONT color="green">1542</FONT> <a name="line.1542"></a> |
| <FONT color="green">1543</FONT> if (tokenIs(')'))<a name="line.1543"></a> |
| <FONT color="green">1544</FONT> {<a name="line.1544"></a> |
| <FONT color="green">1545</FONT> error(XPATHErrorResources.ER_FOUND_COMMA_BUT_NO_FOLLOWING_ARG,<a name="line.1545"></a> |
| <FONT color="green">1546</FONT> null); //"Found ',' but no following argument!");<a name="line.1546"></a> |
| <FONT color="green">1547</FONT> }<a name="line.1547"></a> |
| <FONT color="green">1548</FONT> }<a name="line.1548"></a> |
| <FONT color="green">1549</FONT> }<a name="line.1549"></a> |
| <FONT color="green">1550</FONT> <a name="line.1550"></a> |
| <FONT color="green">1551</FONT> consumeExpected(')');<a name="line.1551"></a> |
| <FONT color="green">1552</FONT> <a name="line.1552"></a> |
| <FONT color="green">1553</FONT> // Terminate for safety.<a name="line.1553"></a> |
| <FONT color="green">1554</FONT> m_ops.setOp(m_ops.getOp(OpMap.MAPINDEX_LENGTH), OpCodes.ENDOP);<a name="line.1554"></a> |
| <FONT color="green">1555</FONT> m_ops.setOp(OpMap.MAPINDEX_LENGTH,m_ops.getOp(OpMap.MAPINDEX_LENGTH) + 1);<a name="line.1555"></a> |
| <FONT color="green">1556</FONT> m_ops.setOp(opPos + OpMap.MAPINDEX_LENGTH, <a name="line.1556"></a> |
| <FONT color="green">1557</FONT> m_ops.getOp(OpMap.MAPINDEX_LENGTH) - opPos);<a name="line.1557"></a> |
| <FONT color="green">1558</FONT> <a name="line.1558"></a> |
| <FONT color="green">1559</FONT> return true;<a name="line.1559"></a> |
| <FONT color="green">1560</FONT> }<a name="line.1560"></a> |
| <FONT color="green">1561</FONT> <a name="line.1561"></a> |
| <FONT color="green">1562</FONT> // ============= GRAMMAR FUNCTIONS =================<a name="line.1562"></a> |
| <FONT color="green">1563</FONT> <a name="line.1563"></a> |
| <FONT color="green">1564</FONT> /**<a name="line.1564"></a> |
| <FONT color="green">1565</FONT> *<a name="line.1565"></a> |
| <FONT color="green">1566</FONT> * LocationPath ::= RelativeLocationPath<a name="line.1566"></a> |
| <FONT color="green">1567</FONT> * | AbsoluteLocationPath<a name="line.1567"></a> |
| <FONT color="green">1568</FONT> *<a name="line.1568"></a> |
| <FONT color="green">1569</FONT> *<a name="line.1569"></a> |
| <FONT color="green">1570</FONT> * @throws javax.xml.transform.TransformerException<a name="line.1570"></a> |
| <FONT color="green">1571</FONT> */<a name="line.1571"></a> |
| <FONT color="green">1572</FONT> protected void LocationPath() throws javax.xml.transform.TransformerException<a name="line.1572"></a> |
| <FONT color="green">1573</FONT> {<a name="line.1573"></a> |
| <FONT color="green">1574</FONT> <a name="line.1574"></a> |
| <FONT color="green">1575</FONT> int opPos = m_ops.getOp(OpMap.MAPINDEX_LENGTH);<a name="line.1575"></a> |
| <FONT color="green">1576</FONT> <a name="line.1576"></a> |
| <FONT color="green">1577</FONT> // int locationPathOpPos = opPos;<a name="line.1577"></a> |
| <FONT color="green">1578</FONT> appendOp(2, OpCodes.OP_LOCATIONPATH);<a name="line.1578"></a> |
| <FONT color="green">1579</FONT> <a name="line.1579"></a> |
| <FONT color="green">1580</FONT> boolean seenSlash = tokenIs('/');<a name="line.1580"></a> |
| <FONT color="green">1581</FONT> <a name="line.1581"></a> |
| <FONT color="green">1582</FONT> if (seenSlash)<a name="line.1582"></a> |
| <FONT color="green">1583</FONT> {<a name="line.1583"></a> |
| <FONT color="green">1584</FONT> appendOp(4, OpCodes.FROM_ROOT);<a name="line.1584"></a> |
| <FONT color="green">1585</FONT> <a name="line.1585"></a> |
| <FONT color="green">1586</FONT> // Tell how long the step is without the predicate<a name="line.1586"></a> |
| <FONT color="green">1587</FONT> m_ops.setOp(m_ops.getOp(OpMap.MAPINDEX_LENGTH) - 2, 4);<a name="line.1587"></a> |
| <FONT color="green">1588</FONT> m_ops.setOp(m_ops.getOp(OpMap.MAPINDEX_LENGTH) - 1, OpCodes.NODETYPE_ROOT);<a name="line.1588"></a> |
| <FONT color="green">1589</FONT> <a name="line.1589"></a> |
| <FONT color="green">1590</FONT> nextToken();<a name="line.1590"></a> |
| <FONT color="green">1591</FONT> } else if (m_token == null) {<a name="line.1591"></a> |
| <FONT color="green">1592</FONT> error(XPATHErrorResources.ER_EXPECTED_LOC_PATH_AT_END_EXPR, null);<a name="line.1592"></a> |
| <FONT color="green">1593</FONT> }<a name="line.1593"></a> |
| <FONT color="green">1594</FONT> <a name="line.1594"></a> |
| <FONT color="green">1595</FONT> if (m_token != null)<a name="line.1595"></a> |
| <FONT color="green">1596</FONT> {<a name="line.1596"></a> |
| <FONT color="green">1597</FONT> if (!RelativeLocationPath() && !seenSlash)<a name="line.1597"></a> |
| <FONT color="green">1598</FONT> {<a name="line.1598"></a> |
| <FONT color="green">1599</FONT> // Neither a '/' nor a RelativeLocationPath - i.e., matched nothing<a name="line.1599"></a> |
| <FONT color="green">1600</FONT> // "Location path expected, but found "+m_token+" was encountered."<a name="line.1600"></a> |
| <FONT color="green">1601</FONT> error(XPATHErrorResources.ER_EXPECTED_LOC_PATH, <a name="line.1601"></a> |
| <FONT color="green">1602</FONT> new Object [] {m_token});<a name="line.1602"></a> |
| <FONT color="green">1603</FONT> }<a name="line.1603"></a> |
| <FONT color="green">1604</FONT> }<a name="line.1604"></a> |
| <FONT color="green">1605</FONT> <a name="line.1605"></a> |
| <FONT color="green">1606</FONT> // Terminate for safety.<a name="line.1606"></a> |
| <FONT color="green">1607</FONT> m_ops.setOp(m_ops.getOp(OpMap.MAPINDEX_LENGTH), OpCodes.ENDOP);<a name="line.1607"></a> |
| <FONT color="green">1608</FONT> m_ops.setOp(OpMap.MAPINDEX_LENGTH,m_ops.getOp(OpMap.MAPINDEX_LENGTH) + 1);<a name="line.1608"></a> |
| <FONT color="green">1609</FONT> m_ops.setOp(opPos + OpMap.MAPINDEX_LENGTH,<a name="line.1609"></a> |
| <FONT color="green">1610</FONT> m_ops.getOp(OpMap.MAPINDEX_LENGTH) - opPos);<a name="line.1610"></a> |
| <FONT color="green">1611</FONT> }<a name="line.1611"></a> |
| <FONT color="green">1612</FONT> <a name="line.1612"></a> |
| <FONT color="green">1613</FONT> /**<a name="line.1613"></a> |
| <FONT color="green">1614</FONT> *<a name="line.1614"></a> |
| <FONT color="green">1615</FONT> * RelativeLocationPath ::= Step<a name="line.1615"></a> |
| <FONT color="green">1616</FONT> * | RelativeLocationPath '/' Step<a name="line.1616"></a> |
| <FONT color="green">1617</FONT> * | AbbreviatedRelativeLocationPath<a name="line.1617"></a> |
| <FONT color="green">1618</FONT> *<a name="line.1618"></a> |
| <FONT color="green">1619</FONT> * @returns true if, and only if, a RelativeLocationPath was matched<a name="line.1619"></a> |
| <FONT color="green">1620</FONT> *<a name="line.1620"></a> |
| <FONT color="green">1621</FONT> * @throws javax.xml.transform.TransformerException<a name="line.1621"></a> |
| <FONT color="green">1622</FONT> */<a name="line.1622"></a> |
| <FONT color="green">1623</FONT> protected boolean RelativeLocationPath()<a name="line.1623"></a> |
| <FONT color="green">1624</FONT> throws javax.xml.transform.TransformerException<a name="line.1624"></a> |
| <FONT color="green">1625</FONT> {<a name="line.1625"></a> |
| <FONT color="green">1626</FONT> if (!Step())<a name="line.1626"></a> |
| <FONT color="green">1627</FONT> {<a name="line.1627"></a> |
| <FONT color="green">1628</FONT> return false;<a name="line.1628"></a> |
| <FONT color="green">1629</FONT> }<a name="line.1629"></a> |
| <FONT color="green">1630</FONT> <a name="line.1630"></a> |
| <FONT color="green">1631</FONT> while (tokenIs('/'))<a name="line.1631"></a> |
| <FONT color="green">1632</FONT> {<a name="line.1632"></a> |
| <FONT color="green">1633</FONT> nextToken();<a name="line.1633"></a> |
| <FONT color="green">1634</FONT> <a name="line.1634"></a> |
| <FONT color="green">1635</FONT> if (!Step())<a name="line.1635"></a> |
| <FONT color="green">1636</FONT> {<a name="line.1636"></a> |
| <FONT color="green">1637</FONT> // RelativeLocationPath can't end with a trailing '/'<a name="line.1637"></a> |
| <FONT color="green">1638</FONT> // "Location step expected following '/' or '//'"<a name="line.1638"></a> |
| <FONT color="green">1639</FONT> error(XPATHErrorResources.ER_EXPECTED_LOC_STEP, null);<a name="line.1639"></a> |
| <FONT color="green">1640</FONT> }<a name="line.1640"></a> |
| <FONT color="green">1641</FONT> }<a name="line.1641"></a> |
| <FONT color="green">1642</FONT> <a name="line.1642"></a> |
| <FONT color="green">1643</FONT> return true;<a name="line.1643"></a> |
| <FONT color="green">1644</FONT> }<a name="line.1644"></a> |
| <FONT color="green">1645</FONT> <a name="line.1645"></a> |
| <FONT color="green">1646</FONT> /**<a name="line.1646"></a> |
| <FONT color="green">1647</FONT> *<a name="line.1647"></a> |
| <FONT color="green">1648</FONT> * Step ::= Basis Predicate<a name="line.1648"></a> |
| <FONT color="green">1649</FONT> * | AbbreviatedStep<a name="line.1649"></a> |
| <FONT color="green">1650</FONT> *<a name="line.1650"></a> |
| <FONT color="green">1651</FONT> * @returns false if step was empty (or only a '/'); true, otherwise<a name="line.1651"></a> |
| <FONT color="green">1652</FONT> *<a name="line.1652"></a> |
| <FONT color="green">1653</FONT> * @throws javax.xml.transform.TransformerException<a name="line.1653"></a> |
| <FONT color="green">1654</FONT> */<a name="line.1654"></a> |
| <FONT color="green">1655</FONT> protected boolean Step() throws javax.xml.transform.TransformerException<a name="line.1655"></a> |
| <FONT color="green">1656</FONT> {<a name="line.1656"></a> |
| <FONT color="green">1657</FONT> int opPos = m_ops.getOp(OpMap.MAPINDEX_LENGTH);<a name="line.1657"></a> |
| <FONT color="green">1658</FONT> <a name="line.1658"></a> |
| <FONT color="green">1659</FONT> boolean doubleSlash = tokenIs('/');<a name="line.1659"></a> |
| <FONT color="green">1660</FONT> <a name="line.1660"></a> |
| <FONT color="green">1661</FONT> // At most a single '/' before each Step is consumed by caller; if the<a name="line.1661"></a> |
| <FONT color="green">1662</FONT> // first thing is a '/', that means we had '//' and the Step must not<a name="line.1662"></a> |
| <FONT color="green">1663</FONT> // be empty.<a name="line.1663"></a> |
| <FONT color="green">1664</FONT> if (doubleSlash)<a name="line.1664"></a> |
| <FONT color="green">1665</FONT> {<a name="line.1665"></a> |
| <FONT color="green">1666</FONT> nextToken();<a name="line.1666"></a> |
| <FONT color="green">1667</FONT> <a name="line.1667"></a> |
| <FONT color="green">1668</FONT> appendOp(2, OpCodes.FROM_DESCENDANTS_OR_SELF);<a name="line.1668"></a> |
| <FONT color="green">1669</FONT> <a name="line.1669"></a> |
| <FONT color="green">1670</FONT> // Have to fix up for patterns such as '//@foo' or '//attribute::foo',<a name="line.1670"></a> |
| <FONT color="green">1671</FONT> // which translate to 'descendant-or-self::node()/attribute::foo'.<a name="line.1671"></a> |
| <FONT color="green">1672</FONT> // notice I leave the '/' on the queue, so the next will be processed<a name="line.1672"></a> |
| <FONT color="green">1673</FONT> // by a regular step pattern.<a name="line.1673"></a> |
| <FONT color="green">1674</FONT> <a name="line.1674"></a> |
| <FONT color="green">1675</FONT> // Make room for telling how long the step is without the predicate<a name="line.1675"></a> |
| <FONT color="green">1676</FONT> m_ops.setOp(OpMap.MAPINDEX_LENGTH,m_ops.getOp(OpMap.MAPINDEX_LENGTH) + 1);<a name="line.1676"></a> |
| <FONT color="green">1677</FONT> m_ops.setOp(m_ops.getOp(OpMap.MAPINDEX_LENGTH), OpCodes.NODETYPE_NODE);<a name="line.1677"></a> |
| <FONT color="green">1678</FONT> m_ops.setOp(OpMap.MAPINDEX_LENGTH,m_ops.getOp(OpMap.MAPINDEX_LENGTH) + 1);<a name="line.1678"></a> |
| <FONT color="green">1679</FONT> <a name="line.1679"></a> |
| <FONT color="green">1680</FONT> // Tell how long the step is without the predicate<a name="line.1680"></a> |
| <FONT color="green">1681</FONT> m_ops.setOp(opPos + OpMap.MAPINDEX_LENGTH + 1,<a name="line.1681"></a> |
| <FONT color="green">1682</FONT> m_ops.getOp(OpMap.MAPINDEX_LENGTH) - opPos);<a name="line.1682"></a> |
| <FONT color="green">1683</FONT> <a name="line.1683"></a> |
| <FONT color="green">1684</FONT> // Tell how long the step is with the predicate<a name="line.1684"></a> |
| <FONT color="green">1685</FONT> m_ops.setOp(opPos + OpMap.MAPINDEX_LENGTH,<a name="line.1685"></a> |
| <FONT color="green">1686</FONT> m_ops.getOp(OpMap.MAPINDEX_LENGTH) - opPos);<a name="line.1686"></a> |
| <FONT color="green">1687</FONT> <a name="line.1687"></a> |
| <FONT color="green">1688</FONT> opPos = m_ops.getOp(OpMap.MAPINDEX_LENGTH);<a name="line.1688"></a> |
| <FONT color="green">1689</FONT> }<a name="line.1689"></a> |
| <FONT color="green">1690</FONT> <a name="line.1690"></a> |
| <FONT color="green">1691</FONT> if (tokenIs("."))<a name="line.1691"></a> |
| <FONT color="green">1692</FONT> {<a name="line.1692"></a> |
| <FONT color="green">1693</FONT> nextToken();<a name="line.1693"></a> |
| <FONT color="green">1694</FONT> <a name="line.1694"></a> |
| <FONT color="green">1695</FONT> if (tokenIs('['))<a name="line.1695"></a> |
| <FONT color="green">1696</FONT> {<a name="line.1696"></a> |
| <FONT color="green">1697</FONT> error(XPATHErrorResources.ER_PREDICATE_ILLEGAL_SYNTAX, null); //"'..[predicate]' or '.[predicate]' is illegal syntax. Use 'self::node()[predicate]' instead.");<a name="line.1697"></a> |
| <FONT color="green">1698</FONT> }<a name="line.1698"></a> |
| <FONT color="green">1699</FONT> <a name="line.1699"></a> |
| <FONT color="green">1700</FONT> appendOp(4, OpCodes.FROM_SELF);<a name="line.1700"></a> |
| <FONT color="green">1701</FONT> <a name="line.1701"></a> |
| <FONT color="green">1702</FONT> // Tell how long the step is without the predicate<a name="line.1702"></a> |
| <FONT color="green">1703</FONT> m_ops.setOp(m_ops.getOp(OpMap.MAPINDEX_LENGTH) - 2,4);<a name="line.1703"></a> |
| <FONT color="green">1704</FONT> m_ops.setOp(m_ops.getOp(OpMap.MAPINDEX_LENGTH) - 1, OpCodes.NODETYPE_NODE);<a name="line.1704"></a> |
| <FONT color="green">1705</FONT> }<a name="line.1705"></a> |
| <FONT color="green">1706</FONT> else if (tokenIs(".."))<a name="line.1706"></a> |
| <FONT color="green">1707</FONT> {<a name="line.1707"></a> |
| <FONT color="green">1708</FONT> nextToken();<a name="line.1708"></a> |
| <FONT color="green">1709</FONT> appendOp(4, OpCodes.FROM_PARENT);<a name="line.1709"></a> |
| <FONT color="green">1710</FONT> <a name="line.1710"></a> |
| <FONT color="green">1711</FONT> // Tell how long the step is without the predicate<a name="line.1711"></a> |
| <FONT color="green">1712</FONT> m_ops.setOp(m_ops.getOp(OpMap.MAPINDEX_LENGTH) - 2,4);<a name="line.1712"></a> |
| <FONT color="green">1713</FONT> m_ops.setOp(m_ops.getOp(OpMap.MAPINDEX_LENGTH) - 1, OpCodes.NODETYPE_NODE);<a name="line.1713"></a> |
| <FONT color="green">1714</FONT> }<a name="line.1714"></a> |
| <FONT color="green">1715</FONT> <a name="line.1715"></a> |
| <FONT color="green">1716</FONT> // There is probably a better way to test for this <a name="line.1716"></a> |
| <FONT color="green">1717</FONT> // transition... but it gets real hairy if you try <a name="line.1717"></a> |
| <FONT color="green">1718</FONT> // to do it in basis().<a name="line.1718"></a> |
| <FONT color="green">1719</FONT> else if (tokenIs('*') || tokenIs('@') || tokenIs('_')<a name="line.1719"></a> |
| <FONT color="green">1720</FONT> || (m_token!= null && Character.isLetter(m_token.charAt(0))))<a name="line.1720"></a> |
| <FONT color="green">1721</FONT> {<a name="line.1721"></a> |
| <FONT color="green">1722</FONT> Basis();<a name="line.1722"></a> |
| <FONT color="green">1723</FONT> <a name="line.1723"></a> |
| <FONT color="green">1724</FONT> while (tokenIs('['))<a name="line.1724"></a> |
| <FONT color="green">1725</FONT> {<a name="line.1725"></a> |
| <FONT color="green">1726</FONT> Predicate();<a name="line.1726"></a> |
| <FONT color="green">1727</FONT> }<a name="line.1727"></a> |
| <FONT color="green">1728</FONT> <a name="line.1728"></a> |
| <FONT color="green">1729</FONT> // Tell how long the entire step is.<a name="line.1729"></a> |
| <FONT color="green">1730</FONT> m_ops.setOp(opPos + OpMap.MAPINDEX_LENGTH,<a name="line.1730"></a> |
| <FONT color="green">1731</FONT> m_ops.getOp(OpMap.MAPINDEX_LENGTH) - opPos); <a name="line.1731"></a> |
| <FONT color="green">1732</FONT> }<a name="line.1732"></a> |
| <FONT color="green">1733</FONT> else<a name="line.1733"></a> |
| <FONT color="green">1734</FONT> {<a name="line.1734"></a> |
| <FONT color="green">1735</FONT> // No Step matched - that's an error if previous thing was a '//'<a name="line.1735"></a> |
| <FONT color="green">1736</FONT> if (doubleSlash)<a name="line.1736"></a> |
| <FONT color="green">1737</FONT> {<a name="line.1737"></a> |
| <FONT color="green">1738</FONT> // "Location step expected following '/' or '//'"<a name="line.1738"></a> |
| <FONT color="green">1739</FONT> error(XPATHErrorResources.ER_EXPECTED_LOC_STEP, null);<a name="line.1739"></a> |
| <FONT color="green">1740</FONT> }<a name="line.1740"></a> |
| <FONT color="green">1741</FONT> <a name="line.1741"></a> |
| <FONT color="green">1742</FONT> return false;<a name="line.1742"></a> |
| <FONT color="green">1743</FONT> }<a name="line.1743"></a> |
| <FONT color="green">1744</FONT> <a name="line.1744"></a> |
| <FONT color="green">1745</FONT> return true;<a name="line.1745"></a> |
| <FONT color="green">1746</FONT> }<a name="line.1746"></a> |
| <FONT color="green">1747</FONT> <a name="line.1747"></a> |
| <FONT color="green">1748</FONT> /**<a name="line.1748"></a> |
| <FONT color="green">1749</FONT> *<a name="line.1749"></a> |
| <FONT color="green">1750</FONT> * Basis ::= AxisName '::' NodeTest<a name="line.1750"></a> |
| <FONT color="green">1751</FONT> * | AbbreviatedBasis<a name="line.1751"></a> |
| <FONT color="green">1752</FONT> *<a name="line.1752"></a> |
| <FONT color="green">1753</FONT> * @throws javax.xml.transform.TransformerException<a name="line.1753"></a> |
| <FONT color="green">1754</FONT> */<a name="line.1754"></a> |
| <FONT color="green">1755</FONT> protected void Basis() throws javax.xml.transform.TransformerException<a name="line.1755"></a> |
| <FONT color="green">1756</FONT> {<a name="line.1756"></a> |
| <FONT color="green">1757</FONT> <a name="line.1757"></a> |
| <FONT color="green">1758</FONT> int opPos = m_ops.getOp(OpMap.MAPINDEX_LENGTH);<a name="line.1758"></a> |
| <FONT color="green">1759</FONT> int axesType;<a name="line.1759"></a> |
| <FONT color="green">1760</FONT> <a name="line.1760"></a> |
| <FONT color="green">1761</FONT> // The next blocks guarantee that a FROM_XXX will be added.<a name="line.1761"></a> |
| <FONT color="green">1762</FONT> if (lookahead("::", 1))<a name="line.1762"></a> |
| <FONT color="green">1763</FONT> {<a name="line.1763"></a> |
| <FONT color="green">1764</FONT> axesType = AxisName();<a name="line.1764"></a> |
| <FONT color="green">1765</FONT> <a name="line.1765"></a> |
| <FONT color="green">1766</FONT> nextToken();<a name="line.1766"></a> |
| <FONT color="green">1767</FONT> nextToken();<a name="line.1767"></a> |
| <FONT color="green">1768</FONT> }<a name="line.1768"></a> |
| <FONT color="green">1769</FONT> else if (tokenIs('@'))<a name="line.1769"></a> |
| <FONT color="green">1770</FONT> {<a name="line.1770"></a> |
| <FONT color="green">1771</FONT> axesType = OpCodes.FROM_ATTRIBUTES;<a name="line.1771"></a> |
| <FONT color="green">1772</FONT> <a name="line.1772"></a> |
| <FONT color="green">1773</FONT> appendOp(2, axesType);<a name="line.1773"></a> |
| <FONT color="green">1774</FONT> nextToken();<a name="line.1774"></a> |
| <FONT color="green">1775</FONT> }<a name="line.1775"></a> |
| <FONT color="green">1776</FONT> else<a name="line.1776"></a> |
| <FONT color="green">1777</FONT> {<a name="line.1777"></a> |
| <FONT color="green">1778</FONT> axesType = OpCodes.FROM_CHILDREN;<a name="line.1778"></a> |
| <FONT color="green">1779</FONT> <a name="line.1779"></a> |
| <FONT color="green">1780</FONT> appendOp(2, axesType);<a name="line.1780"></a> |
| <FONT color="green">1781</FONT> }<a name="line.1781"></a> |
| <FONT color="green">1782</FONT> <a name="line.1782"></a> |
| <FONT color="green">1783</FONT> // Make room for telling how long the step is without the predicate<a name="line.1783"></a> |
| <FONT color="green">1784</FONT> m_ops.setOp(OpMap.MAPINDEX_LENGTH, m_ops.getOp(OpMap.MAPINDEX_LENGTH) + 1);<a name="line.1784"></a> |
| <FONT color="green">1785</FONT> <a name="line.1785"></a> |
| <FONT color="green">1786</FONT> NodeTest(axesType);<a name="line.1786"></a> |
| <FONT color="green">1787</FONT> <a name="line.1787"></a> |
| <FONT color="green">1788</FONT> // Tell how long the step is without the predicate<a name="line.1788"></a> |
| <FONT color="green">1789</FONT> m_ops.setOp(opPos + OpMap.MAPINDEX_LENGTH + 1,<a name="line.1789"></a> |
| <FONT color="green">1790</FONT> m_ops.getOp(OpMap.MAPINDEX_LENGTH) - opPos);<a name="line.1790"></a> |
| <FONT color="green">1791</FONT> }<a name="line.1791"></a> |
| <FONT color="green">1792</FONT> <a name="line.1792"></a> |
| <FONT color="green">1793</FONT> /**<a name="line.1793"></a> |
| <FONT color="green">1794</FONT> *<a name="line.1794"></a> |
| <FONT color="green">1795</FONT> * Basis ::= AxisName '::' NodeTest<a name="line.1795"></a> |
| <FONT color="green">1796</FONT> * | AbbreviatedBasis<a name="line.1796"></a> |
| <FONT color="green">1797</FONT> *<a name="line.1797"></a> |
| <FONT color="green">1798</FONT> * @return FROM_XXX axes type, found in {@link org.apache.xpath.compiler.Keywords}.<a name="line.1798"></a> |
| <FONT color="green">1799</FONT> *<a name="line.1799"></a> |
| <FONT color="green">1800</FONT> * @throws javax.xml.transform.TransformerException<a name="line.1800"></a> |
| <FONT color="green">1801</FONT> */<a name="line.1801"></a> |
| <FONT color="green">1802</FONT> protected int AxisName() throws javax.xml.transform.TransformerException<a name="line.1802"></a> |
| <FONT color="green">1803</FONT> {<a name="line.1803"></a> |
| <FONT color="green">1804</FONT> <a name="line.1804"></a> |
| <FONT color="green">1805</FONT> Object val = Keywords.getAxisName(m_token);<a name="line.1805"></a> |
| <FONT color="green">1806</FONT> <a name="line.1806"></a> |
| <FONT color="green">1807</FONT> if (null == val)<a name="line.1807"></a> |
| <FONT color="green">1808</FONT> {<a name="line.1808"></a> |
| <FONT color="green">1809</FONT> error(XPATHErrorResources.ER_ILLEGAL_AXIS_NAME,<a name="line.1809"></a> |
| <FONT color="green">1810</FONT> new Object[]{ m_token }); //"illegal axis name: "+m_token);<a name="line.1810"></a> |
| <FONT color="green">1811</FONT> }<a name="line.1811"></a> |
| <FONT color="green">1812</FONT> <a name="line.1812"></a> |
| <FONT color="green">1813</FONT> int axesType = ((Integer) val).intValue();<a name="line.1813"></a> |
| <FONT color="green">1814</FONT> <a name="line.1814"></a> |
| <FONT color="green">1815</FONT> appendOp(2, axesType);<a name="line.1815"></a> |
| <FONT color="green">1816</FONT> <a name="line.1816"></a> |
| <FONT color="green">1817</FONT> return axesType;<a name="line.1817"></a> |
| <FONT color="green">1818</FONT> }<a name="line.1818"></a> |
| <FONT color="green">1819</FONT> <a name="line.1819"></a> |
| <FONT color="green">1820</FONT> /**<a name="line.1820"></a> |
| <FONT color="green">1821</FONT> *<a name="line.1821"></a> |
| <FONT color="green">1822</FONT> * NodeTest ::= WildcardName<a name="line.1822"></a> |
| <FONT color="green">1823</FONT> * | NodeType '(' ')'<a name="line.1823"></a> |
| <FONT color="green">1824</FONT> * | 'processing-instruction' '(' Literal ')'<a name="line.1824"></a> |
| <FONT color="green">1825</FONT> *<a name="line.1825"></a> |
| <FONT color="green">1826</FONT> * @param axesType FROM_XXX axes type, found in {@link org.apache.xpath.compiler.Keywords}.<a name="line.1826"></a> |
| <FONT color="green">1827</FONT> *<a name="line.1827"></a> |
| <FONT color="green">1828</FONT> * @throws javax.xml.transform.TransformerException<a name="line.1828"></a> |
| <FONT color="green">1829</FONT> */<a name="line.1829"></a> |
| <FONT color="green">1830</FONT> protected void NodeTest(int axesType) throws javax.xml.transform.TransformerException<a name="line.1830"></a> |
| <FONT color="green">1831</FONT> {<a name="line.1831"></a> |
| <FONT color="green">1832</FONT> <a name="line.1832"></a> |
| <FONT color="green">1833</FONT> if (lookahead('(', 1))<a name="line.1833"></a> |
| <FONT color="green">1834</FONT> {<a name="line.1834"></a> |
| <FONT color="green">1835</FONT> Object nodeTestOp = Keywords.getNodeType(m_token);<a name="line.1835"></a> |
| <FONT color="green">1836</FONT> <a name="line.1836"></a> |
| <FONT color="green">1837</FONT> if (null == nodeTestOp)<a name="line.1837"></a> |
| <FONT color="green">1838</FONT> {<a name="line.1838"></a> |
| <FONT color="green">1839</FONT> error(XPATHErrorResources.ER_UNKNOWN_NODETYPE,<a name="line.1839"></a> |
| <FONT color="green">1840</FONT> new Object[]{ m_token }); //"Unknown nodetype: "+m_token);<a name="line.1840"></a> |
| <FONT color="green">1841</FONT> }<a name="line.1841"></a> |
| <FONT color="green">1842</FONT> else<a name="line.1842"></a> |
| <FONT color="green">1843</FONT> {<a name="line.1843"></a> |
| <FONT color="green">1844</FONT> nextToken();<a name="line.1844"></a> |
| <FONT color="green">1845</FONT> <a name="line.1845"></a> |
| <FONT color="green">1846</FONT> int nt = ((Integer) nodeTestOp).intValue();<a name="line.1846"></a> |
| <FONT color="green">1847</FONT> <a name="line.1847"></a> |
| <FONT color="green">1848</FONT> m_ops.setOp(m_ops.getOp(OpMap.MAPINDEX_LENGTH), nt);<a name="line.1848"></a> |
| <FONT color="green">1849</FONT> m_ops.setOp(OpMap.MAPINDEX_LENGTH, m_ops.getOp(OpMap.MAPINDEX_LENGTH) + 1);<a name="line.1849"></a> |
| <FONT color="green">1850</FONT> <a name="line.1850"></a> |
| <FONT color="green">1851</FONT> consumeExpected('(');<a name="line.1851"></a> |
| <FONT color="green">1852</FONT> <a name="line.1852"></a> |
| <FONT color="green">1853</FONT> if (OpCodes.NODETYPE_PI == nt)<a name="line.1853"></a> |
| <FONT color="green">1854</FONT> {<a name="line.1854"></a> |
| <FONT color="green">1855</FONT> if (!tokenIs(')'))<a name="line.1855"></a> |
| <FONT color="green">1856</FONT> {<a name="line.1856"></a> |
| <FONT color="green">1857</FONT> Literal();<a name="line.1857"></a> |
| <FONT color="green">1858</FONT> }<a name="line.1858"></a> |
| <FONT color="green">1859</FONT> }<a name="line.1859"></a> |
| <FONT color="green">1860</FONT> <a name="line.1860"></a> |
| <FONT color="green">1861</FONT> consumeExpected(')');<a name="line.1861"></a> |
| <FONT color="green">1862</FONT> }<a name="line.1862"></a> |
| <FONT color="green">1863</FONT> }<a name="line.1863"></a> |
| <FONT color="green">1864</FONT> else<a name="line.1864"></a> |
| <FONT color="green">1865</FONT> {<a name="line.1865"></a> |
| <FONT color="green">1866</FONT> <a name="line.1866"></a> |
| <FONT color="green">1867</FONT> // Assume name of attribute or element.<a name="line.1867"></a> |
| <FONT color="green">1868</FONT> m_ops.setOp(m_ops.getOp(OpMap.MAPINDEX_LENGTH), OpCodes.NODENAME);<a name="line.1868"></a> |
| <FONT color="green">1869</FONT> m_ops.setOp(OpMap.MAPINDEX_LENGTH, m_ops.getOp(OpMap.MAPINDEX_LENGTH) + 1);<a name="line.1869"></a> |
| <FONT color="green">1870</FONT> <a name="line.1870"></a> |
| <FONT color="green">1871</FONT> if (lookahead(':', 1))<a name="line.1871"></a> |
| <FONT color="green">1872</FONT> {<a name="line.1872"></a> |
| <FONT color="green">1873</FONT> if (tokenIs('*'))<a name="line.1873"></a> |
| <FONT color="green">1874</FONT> {<a name="line.1874"></a> |
| <FONT color="green">1875</FONT> m_ops.setOp(m_ops.getOp(OpMap.MAPINDEX_LENGTH), OpCodes.ELEMWILDCARD);<a name="line.1875"></a> |
| <FONT color="green">1876</FONT> }<a name="line.1876"></a> |
| <FONT color="green">1877</FONT> else<a name="line.1877"></a> |
| <FONT color="green">1878</FONT> {<a name="line.1878"></a> |
| <FONT color="green">1879</FONT> m_ops.setOp(m_ops.getOp(OpMap.MAPINDEX_LENGTH), m_queueMark - 1);<a name="line.1879"></a> |
| <FONT color="green">1880</FONT> <a name="line.1880"></a> |
| <FONT color="green">1881</FONT> // Minimalist check for an NCName - just check first character<a name="line.1881"></a> |
| <FONT color="green">1882</FONT> // to distinguish from other possible tokens<a name="line.1882"></a> |
| <FONT color="green">1883</FONT> if (!Character.isLetter(m_tokenChar) && !tokenIs('_'))<a name="line.1883"></a> |
| <FONT color="green">1884</FONT> {<a name="line.1884"></a> |
| <FONT color="green">1885</FONT> // "Node test that matches either NCName:* or QName was expected."<a name="line.1885"></a> |
| <FONT color="green">1886</FONT> error(XPATHErrorResources.ER_EXPECTED_NODE_TEST, null);<a name="line.1886"></a> |
| <FONT color="green">1887</FONT> }<a name="line.1887"></a> |
| <FONT color="green">1888</FONT> }<a name="line.1888"></a> |
| <FONT color="green">1889</FONT> <a name="line.1889"></a> |
| <FONT color="green">1890</FONT> nextToken();<a name="line.1890"></a> |
| <FONT color="green">1891</FONT> consumeExpected(':');<a name="line.1891"></a> |
| <FONT color="green">1892</FONT> }<a name="line.1892"></a> |
| <FONT color="green">1893</FONT> else<a name="line.1893"></a> |
| <FONT color="green">1894</FONT> {<a name="line.1894"></a> |
| <FONT color="green">1895</FONT> m_ops.setOp(m_ops.getOp(OpMap.MAPINDEX_LENGTH), OpCodes.EMPTY);<a name="line.1895"></a> |
| <FONT color="green">1896</FONT> }<a name="line.1896"></a> |
| <FONT color="green">1897</FONT> <a name="line.1897"></a> |
| <FONT color="green">1898</FONT> m_ops.setOp(OpMap.MAPINDEX_LENGTH, m_ops.getOp(OpMap.MAPINDEX_LENGTH) + 1);<a name="line.1898"></a> |
| <FONT color="green">1899</FONT> <a name="line.1899"></a> |
| <FONT color="green">1900</FONT> if (tokenIs('*'))<a name="line.1900"></a> |
| <FONT color="green">1901</FONT> {<a name="line.1901"></a> |
| <FONT color="green">1902</FONT> m_ops.setOp(m_ops.getOp(OpMap.MAPINDEX_LENGTH), OpCodes.ELEMWILDCARD);<a name="line.1902"></a> |
| <FONT color="green">1903</FONT> }<a name="line.1903"></a> |
| <FONT color="green">1904</FONT> else<a name="line.1904"></a> |
| <FONT color="green">1905</FONT> {<a name="line.1905"></a> |
| <FONT color="green">1906</FONT> m_ops.setOp(m_ops.getOp(OpMap.MAPINDEX_LENGTH), m_queueMark - 1);<a name="line.1906"></a> |
| <FONT color="green">1907</FONT> <a name="line.1907"></a> |
| <FONT color="green">1908</FONT> // Minimalist check for an NCName - just check first character<a name="line.1908"></a> |
| <FONT color="green">1909</FONT> // to distinguish from other possible tokens<a name="line.1909"></a> |
| <FONT color="green">1910</FONT> if (!Character.isLetter(m_tokenChar) && !tokenIs('_'))<a name="line.1910"></a> |
| <FONT color="green">1911</FONT> {<a name="line.1911"></a> |
| <FONT color="green">1912</FONT> // "Node test that matches either NCName:* or QName was expected."<a name="line.1912"></a> |
| <FONT color="green">1913</FONT> error(XPATHErrorResources.ER_EXPECTED_NODE_TEST, null);<a name="line.1913"></a> |
| <FONT color="green">1914</FONT> }<a name="line.1914"></a> |
| <FONT color="green">1915</FONT> }<a name="line.1915"></a> |
| <FONT color="green">1916</FONT> <a name="line.1916"></a> |
| <FONT color="green">1917</FONT> m_ops.setOp(OpMap.MAPINDEX_LENGTH, m_ops.getOp(OpMap.MAPINDEX_LENGTH) + 1);<a name="line.1917"></a> |
| <FONT color="green">1918</FONT> <a name="line.1918"></a> |
| <FONT color="green">1919</FONT> nextToken();<a name="line.1919"></a> |
| <FONT color="green">1920</FONT> }<a name="line.1920"></a> |
| <FONT color="green">1921</FONT> }<a name="line.1921"></a> |
| <FONT color="green">1922</FONT> <a name="line.1922"></a> |
| <FONT color="green">1923</FONT> /**<a name="line.1923"></a> |
| <FONT color="green">1924</FONT> *<a name="line.1924"></a> |
| <FONT color="green">1925</FONT> * Predicate ::= '[' PredicateExpr ']'<a name="line.1925"></a> |
| <FONT color="green">1926</FONT> *<a name="line.1926"></a> |
| <FONT color="green">1927</FONT> *<a name="line.1927"></a> |
| <FONT color="green">1928</FONT> * @throws javax.xml.transform.TransformerException<a name="line.1928"></a> |
| <FONT color="green">1929</FONT> */<a name="line.1929"></a> |
| <FONT color="green">1930</FONT> protected void Predicate() throws javax.xml.transform.TransformerException<a name="line.1930"></a> |
| <FONT color="green">1931</FONT> {<a name="line.1931"></a> |
| <FONT color="green">1932</FONT> <a name="line.1932"></a> |
| <FONT color="green">1933</FONT> if (tokenIs('['))<a name="line.1933"></a> |
| <FONT color="green">1934</FONT> {<a name="line.1934"></a> |
| <FONT color="green">1935</FONT> nextToken();<a name="line.1935"></a> |
| <FONT color="green">1936</FONT> PredicateExpr();<a name="line.1936"></a> |
| <FONT color="green">1937</FONT> consumeExpected(']');<a name="line.1937"></a> |
| <FONT color="green">1938</FONT> }<a name="line.1938"></a> |
| <FONT color="green">1939</FONT> }<a name="line.1939"></a> |
| <FONT color="green">1940</FONT> <a name="line.1940"></a> |
| <FONT color="green">1941</FONT> /**<a name="line.1941"></a> |
| <FONT color="green">1942</FONT> *<a name="line.1942"></a> |
| <FONT color="green">1943</FONT> * PredicateExpr ::= Expr<a name="line.1943"></a> |
| <FONT color="green">1944</FONT> *<a name="line.1944"></a> |
| <FONT color="green">1945</FONT> *<a name="line.1945"></a> |
| <FONT color="green">1946</FONT> * @throws javax.xml.transform.TransformerException<a name="line.1946"></a> |
| <FONT color="green">1947</FONT> */<a name="line.1947"></a> |
| <FONT color="green">1948</FONT> protected void PredicateExpr() throws javax.xml.transform.TransformerException<a name="line.1948"></a> |
| <FONT color="green">1949</FONT> {<a name="line.1949"></a> |
| <FONT color="green">1950</FONT> <a name="line.1950"></a> |
| <FONT color="green">1951</FONT> int opPos = m_ops.getOp(OpMap.MAPINDEX_LENGTH);<a name="line.1951"></a> |
| <FONT color="green">1952</FONT> <a name="line.1952"></a> |
| <FONT color="green">1953</FONT> appendOp(2, OpCodes.OP_PREDICATE);<a name="line.1953"></a> |
| <FONT color="green">1954</FONT> Expr();<a name="line.1954"></a> |
| <FONT color="green">1955</FONT> <a name="line.1955"></a> |
| <FONT color="green">1956</FONT> // Terminate for safety.<a name="line.1956"></a> |
| <FONT color="green">1957</FONT> m_ops.setOp(m_ops.getOp(OpMap.MAPINDEX_LENGTH), OpCodes.ENDOP);<a name="line.1957"></a> |
| <FONT color="green">1958</FONT> m_ops.setOp(OpMap.MAPINDEX_LENGTH, m_ops.getOp(OpMap.MAPINDEX_LENGTH) + 1);<a name="line.1958"></a> |
| <FONT color="green">1959</FONT> m_ops.setOp(opPos + OpMap.MAPINDEX_LENGTH,<a name="line.1959"></a> |
| <FONT color="green">1960</FONT> m_ops.getOp(OpMap.MAPINDEX_LENGTH) - opPos);<a name="line.1960"></a> |
| <FONT color="green">1961</FONT> }<a name="line.1961"></a> |
| <FONT color="green">1962</FONT> <a name="line.1962"></a> |
| <FONT color="green">1963</FONT> /**<a name="line.1963"></a> |
| <FONT color="green">1964</FONT> * QName ::= (Prefix ':')? LocalPart<a name="line.1964"></a> |
| <FONT color="green">1965</FONT> * Prefix ::= NCName<a name="line.1965"></a> |
| <FONT color="green">1966</FONT> * LocalPart ::= NCName<a name="line.1966"></a> |
| <FONT color="green">1967</FONT> *<a name="line.1967"></a> |
| <FONT color="green">1968</FONT> * @throws javax.xml.transform.TransformerException<a name="line.1968"></a> |
| <FONT color="green">1969</FONT> */<a name="line.1969"></a> |
| <FONT color="green">1970</FONT> protected void QName() throws javax.xml.transform.TransformerException<a name="line.1970"></a> |
| <FONT color="green">1971</FONT> {<a name="line.1971"></a> |
| <FONT color="green">1972</FONT> // Namespace<a name="line.1972"></a> |
| <FONT color="green">1973</FONT> if(lookahead(':', 1))<a name="line.1973"></a> |
| <FONT color="green">1974</FONT> {<a name="line.1974"></a> |
| <FONT color="green">1975</FONT> m_ops.setOp(m_ops.getOp(OpMap.MAPINDEX_LENGTH), m_queueMark - 1);<a name="line.1975"></a> |
| <FONT color="green">1976</FONT> m_ops.setOp(OpMap.MAPINDEX_LENGTH, m_ops.getOp(OpMap.MAPINDEX_LENGTH) + 1);<a name="line.1976"></a> |
| <FONT color="green">1977</FONT> <a name="line.1977"></a> |
| <FONT color="green">1978</FONT> nextToken();<a name="line.1978"></a> |
| <FONT color="green">1979</FONT> consumeExpected(':');<a name="line.1979"></a> |
| <FONT color="green">1980</FONT> }<a name="line.1980"></a> |
| <FONT color="green">1981</FONT> else<a name="line.1981"></a> |
| <FONT color="green">1982</FONT> {<a name="line.1982"></a> |
| <FONT color="green">1983</FONT> m_ops.setOp(m_ops.getOp(OpMap.MAPINDEX_LENGTH), OpCodes.EMPTY);<a name="line.1983"></a> |
| <FONT color="green">1984</FONT> m_ops.setOp(OpMap.MAPINDEX_LENGTH, m_ops.getOp(OpMap.MAPINDEX_LENGTH) + 1);<a name="line.1984"></a> |
| <FONT color="green">1985</FONT> }<a name="line.1985"></a> |
| <FONT color="green">1986</FONT> <a name="line.1986"></a> |
| <FONT color="green">1987</FONT> // Local name<a name="line.1987"></a> |
| <FONT color="green">1988</FONT> m_ops.setOp(m_ops.getOp(OpMap.MAPINDEX_LENGTH), m_queueMark - 1);<a name="line.1988"></a> |
| <FONT color="green">1989</FONT> m_ops.setOp(OpMap.MAPINDEX_LENGTH, m_ops.getOp(OpMap.MAPINDEX_LENGTH) + 1);<a name="line.1989"></a> |
| <FONT color="green">1990</FONT> <a name="line.1990"></a> |
| <FONT color="green">1991</FONT> nextToken();<a name="line.1991"></a> |
| <FONT color="green">1992</FONT> }<a name="line.1992"></a> |
| <FONT color="green">1993</FONT> <a name="line.1993"></a> |
| <FONT color="green">1994</FONT> /**<a name="line.1994"></a> |
| <FONT color="green">1995</FONT> * NCName ::= (Letter | '_') (NCNameChar)<a name="line.1995"></a> |
| <FONT color="green">1996</FONT> * NCNameChar ::= Letter | Digit | '.' | '-' | '_' | CombiningChar | Extender<a name="line.1996"></a> |
| <FONT color="green">1997</FONT> */<a name="line.1997"></a> |
| <FONT color="green">1998</FONT> protected void NCName()<a name="line.1998"></a> |
| <FONT color="green">1999</FONT> {<a name="line.1999"></a> |
| <FONT color="green">2000</FONT> <a name="line.2000"></a> |
| <FONT color="green">2001</FONT> m_ops.setOp(m_ops.getOp(OpMap.MAPINDEX_LENGTH), m_queueMark - 1);<a name="line.2001"></a> |
| <FONT color="green">2002</FONT> m_ops.setOp(OpMap.MAPINDEX_LENGTH, m_ops.getOp(OpMap.MAPINDEX_LENGTH) + 1);<a name="line.2002"></a> |
| <FONT color="green">2003</FONT> <a name="line.2003"></a> |
| <FONT color="green">2004</FONT> nextToken();<a name="line.2004"></a> |
| <FONT color="green">2005</FONT> }<a name="line.2005"></a> |
| <FONT color="green">2006</FONT> <a name="line.2006"></a> |
| <FONT color="green">2007</FONT> /**<a name="line.2007"></a> |
| <FONT color="green">2008</FONT> * The value of the Literal is the sequence of characters inside<a name="line.2008"></a> |
| <FONT color="green">2009</FONT> * the " or ' characters>.<a name="line.2009"></a> |
| <FONT color="green">2010</FONT> *<a name="line.2010"></a> |
| <FONT color="green">2011</FONT> * Literal ::= '"' [^"]* '"'<a name="line.2011"></a> |
| <FONT color="green">2012</FONT> * | "'" [^']* "'"<a name="line.2012"></a> |
| <FONT color="green">2013</FONT> *<a name="line.2013"></a> |
| <FONT color="green">2014</FONT> *<a name="line.2014"></a> |
| <FONT color="green">2015</FONT> * @throws javax.xml.transform.TransformerException<a name="line.2015"></a> |
| <FONT color="green">2016</FONT> */<a name="line.2016"></a> |
| <FONT color="green">2017</FONT> protected void Literal() throws javax.xml.transform.TransformerException<a name="line.2017"></a> |
| <FONT color="green">2018</FONT> {<a name="line.2018"></a> |
| <FONT color="green">2019</FONT> <a name="line.2019"></a> |
| <FONT color="green">2020</FONT> int last = m_token.length() - 1;<a name="line.2020"></a> |
| <FONT color="green">2021</FONT> char c0 = m_tokenChar;<a name="line.2021"></a> |
| <FONT color="green">2022</FONT> char cX = m_token.charAt(last);<a name="line.2022"></a> |
| <FONT color="green">2023</FONT> <a name="line.2023"></a> |
| <FONT color="green">2024</FONT> if (((c0 == '\"') && (cX == '\"')) || ((c0 == '\'') && (cX == '\'')))<a name="line.2024"></a> |
| <FONT color="green">2025</FONT> {<a name="line.2025"></a> |
| <FONT color="green">2026</FONT> <a name="line.2026"></a> |
| <FONT color="green">2027</FONT> // Mutate the token to remove the quotes and have the XString object<a name="line.2027"></a> |
| <FONT color="green">2028</FONT> // already made.<a name="line.2028"></a> |
| <FONT color="green">2029</FONT> int tokenQueuePos = m_queueMark - 1;<a name="line.2029"></a> |
| <FONT color="green">2030</FONT> <a name="line.2030"></a> |
| <FONT color="green">2031</FONT> m_ops.m_tokenQueue.setElementAt(null,tokenQueuePos);<a name="line.2031"></a> |
| <FONT color="green">2032</FONT> <a name="line.2032"></a> |
| <FONT color="green">2033</FONT> Object obj = new XString(m_token.substring(1, last));<a name="line.2033"></a> |
| <FONT color="green">2034</FONT> <a name="line.2034"></a> |
| <FONT color="green">2035</FONT> m_ops.m_tokenQueue.setElementAt(obj,tokenQueuePos);<a name="line.2035"></a> |
| <FONT color="green">2036</FONT> <a name="line.2036"></a> |
| <FONT color="green">2037</FONT> // lit = m_token.substring(1, last);<a name="line.2037"></a> |
| <FONT color="green">2038</FONT> m_ops.setOp(m_ops.getOp(OpMap.MAPINDEX_LENGTH), tokenQueuePos);<a name="line.2038"></a> |
| <FONT color="green">2039</FONT> m_ops.setOp(OpMap.MAPINDEX_LENGTH, m_ops.getOp(OpMap.MAPINDEX_LENGTH) + 1);<a name="line.2039"></a> |
| <FONT color="green">2040</FONT> <a name="line.2040"></a> |
| <FONT color="green">2041</FONT> nextToken();<a name="line.2041"></a> |
| <FONT color="green">2042</FONT> }<a name="line.2042"></a> |
| <FONT color="green">2043</FONT> else<a name="line.2043"></a> |
| <FONT color="green">2044</FONT> {<a name="line.2044"></a> |
| <FONT color="green">2045</FONT> error(XPATHErrorResources.ER_PATTERN_LITERAL_NEEDS_BE_QUOTED,<a name="line.2045"></a> |
| <FONT color="green">2046</FONT> new Object[]{ m_token }); //"Pattern literal ("+m_token+") needs to be quoted!");<a name="line.2046"></a> |
| <FONT color="green">2047</FONT> }<a name="line.2047"></a> |
| <FONT color="green">2048</FONT> }<a name="line.2048"></a> |
| <FONT color="green">2049</FONT> <a name="line.2049"></a> |
| <FONT color="green">2050</FONT> /**<a name="line.2050"></a> |
| <FONT color="green">2051</FONT> *<a name="line.2051"></a> |
| <FONT color="green">2052</FONT> * Number ::= [0-9]+('.'[0-9]+)? | '.'[0-9]+<a name="line.2052"></a> |
| <FONT color="green">2053</FONT> *<a name="line.2053"></a> |
| <FONT color="green">2054</FONT> *<a name="line.2054"></a> |
| <FONT color="green">2055</FONT> * @throws javax.xml.transform.TransformerException<a name="line.2055"></a> |
| <FONT color="green">2056</FONT> */<a name="line.2056"></a> |
| <FONT color="green">2057</FONT> protected void Number() throws javax.xml.transform.TransformerException<a name="line.2057"></a> |
| <FONT color="green">2058</FONT> {<a name="line.2058"></a> |
| <FONT color="green">2059</FONT> <a name="line.2059"></a> |
| <FONT color="green">2060</FONT> if (null != m_token)<a name="line.2060"></a> |
| <FONT color="green">2061</FONT> {<a name="line.2061"></a> |
| <FONT color="green">2062</FONT> <a name="line.2062"></a> |
| <FONT color="green">2063</FONT> // Mutate the token to remove the quotes and have the XNumber object<a name="line.2063"></a> |
| <FONT color="green">2064</FONT> // already made.<a name="line.2064"></a> |
| <FONT color="green">2065</FONT> double num;<a name="line.2065"></a> |
| <FONT color="green">2066</FONT> <a name="line.2066"></a> |
| <FONT color="green">2067</FONT> try<a name="line.2067"></a> |
| <FONT color="green">2068</FONT> {<a name="line.2068"></a> |
| <FONT color="green">2069</FONT> // XPath 1.0 does not support number in exp notation<a name="line.2069"></a> |
| <FONT color="green">2070</FONT> if ((m_token.indexOf('e') > -1)||(m_token.indexOf('E') > -1))<a name="line.2070"></a> |
| <FONT color="green">2071</FONT> throw new NumberFormatException();<a name="line.2071"></a> |
| <FONT color="green">2072</FONT> num = Double.valueOf(m_token).doubleValue();<a name="line.2072"></a> |
| <FONT color="green">2073</FONT> }<a name="line.2073"></a> |
| <FONT color="green">2074</FONT> catch (NumberFormatException nfe)<a name="line.2074"></a> |
| <FONT color="green">2075</FONT> {<a name="line.2075"></a> |
| <FONT color="green">2076</FONT> num = 0.0; // to shut up compiler.<a name="line.2076"></a> |
| <FONT color="green">2077</FONT> <a name="line.2077"></a> |
| <FONT color="green">2078</FONT> error(XPATHErrorResources.ER_COULDNOT_BE_FORMATTED_TO_NUMBER,<a name="line.2078"></a> |
| <FONT color="green">2079</FONT> new Object[]{ m_token }); //m_token+" could not be formatted to a number!");<a name="line.2079"></a> |
| <FONT color="green">2080</FONT> }<a name="line.2080"></a> |
| <FONT color="green">2081</FONT> <a name="line.2081"></a> |
| <FONT color="green">2082</FONT> m_ops.m_tokenQueue.setElementAt(new XNumber(num),m_queueMark - 1);<a name="line.2082"></a> |
| <FONT color="green">2083</FONT> m_ops.setOp(m_ops.getOp(OpMap.MAPINDEX_LENGTH), m_queueMark - 1);<a name="line.2083"></a> |
| <FONT color="green">2084</FONT> m_ops.setOp(OpMap.MAPINDEX_LENGTH, m_ops.getOp(OpMap.MAPINDEX_LENGTH) + 1);<a name="line.2084"></a> |
| <FONT color="green">2085</FONT> <a name="line.2085"></a> |
| <FONT color="green">2086</FONT> nextToken();<a name="line.2086"></a> |
| <FONT color="green">2087</FONT> }<a name="line.2087"></a> |
| <FONT color="green">2088</FONT> }<a name="line.2088"></a> |
| <FONT color="green">2089</FONT> <a name="line.2089"></a> |
| <FONT color="green">2090</FONT> // ============= PATTERN FUNCTIONS =================<a name="line.2090"></a> |
| <FONT color="green">2091</FONT> <a name="line.2091"></a> |
| <FONT color="green">2092</FONT> /**<a name="line.2092"></a> |
| <FONT color="green">2093</FONT> *<a name="line.2093"></a> |
| <FONT color="green">2094</FONT> * Pattern ::= LocationPathPattern<a name="line.2094"></a> |
| <FONT color="green">2095</FONT> * | Pattern '|' LocationPathPattern<a name="line.2095"></a> |
| <FONT color="green">2096</FONT> *<a name="line.2096"></a> |
| <FONT color="green">2097</FONT> *<a name="line.2097"></a> |
| <FONT color="green">2098</FONT> * @throws javax.xml.transform.TransformerException<a name="line.2098"></a> |
| <FONT color="green">2099</FONT> */<a name="line.2099"></a> |
| <FONT color="green">2100</FONT> protected void Pattern() throws javax.xml.transform.TransformerException<a name="line.2100"></a> |
| <FONT color="green">2101</FONT> {<a name="line.2101"></a> |
| <FONT color="green">2102</FONT> <a name="line.2102"></a> |
| <FONT color="green">2103</FONT> while (true)<a name="line.2103"></a> |
| <FONT color="green">2104</FONT> {<a name="line.2104"></a> |
| <FONT color="green">2105</FONT> LocationPathPattern();<a name="line.2105"></a> |
| <FONT color="green">2106</FONT> <a name="line.2106"></a> |
| <FONT color="green">2107</FONT> if (tokenIs('|'))<a name="line.2107"></a> |
| <FONT color="green">2108</FONT> {<a name="line.2108"></a> |
| <FONT color="green">2109</FONT> nextToken();<a name="line.2109"></a> |
| <FONT color="green">2110</FONT> }<a name="line.2110"></a> |
| <FONT color="green">2111</FONT> else<a name="line.2111"></a> |
| <FONT color="green">2112</FONT> {<a name="line.2112"></a> |
| <FONT color="green">2113</FONT> break;<a name="line.2113"></a> |
| <FONT color="green">2114</FONT> }<a name="line.2114"></a> |
| <FONT color="green">2115</FONT> }<a name="line.2115"></a> |
| <FONT color="green">2116</FONT> }<a name="line.2116"></a> |
| <FONT color="green">2117</FONT> <a name="line.2117"></a> |
| <FONT color="green">2118</FONT> /**<a name="line.2118"></a> |
| <FONT color="green">2119</FONT> *<a name="line.2119"></a> |
| <FONT color="green">2120</FONT> *<a name="line.2120"></a> |
| <FONT color="green">2121</FONT> * LocationPathPattern ::= '/' RelativePathPattern?<a name="line.2121"></a> |
| <FONT color="green">2122</FONT> * | IdKeyPattern (('/' | '//') RelativePathPattern)?<a name="line.2122"></a> |
| <FONT color="green">2123</FONT> * | '//'? RelativePathPattern<a name="line.2123"></a> |
| <FONT color="green">2124</FONT> *<a name="line.2124"></a> |
| <FONT color="green">2125</FONT> *<a name="line.2125"></a> |
| <FONT color="green">2126</FONT> * @throws javax.xml.transform.TransformerException<a name="line.2126"></a> |
| <FONT color="green">2127</FONT> */<a name="line.2127"></a> |
| <FONT color="green">2128</FONT> protected void LocationPathPattern() throws javax.xml.transform.TransformerException<a name="line.2128"></a> |
| <FONT color="green">2129</FONT> {<a name="line.2129"></a> |
| <FONT color="green">2130</FONT> <a name="line.2130"></a> |
| <FONT color="green">2131</FONT> int opPos = m_ops.getOp(OpMap.MAPINDEX_LENGTH);<a name="line.2131"></a> |
| <FONT color="green">2132</FONT> <a name="line.2132"></a> |
| <FONT color="green">2133</FONT> final int RELATIVE_PATH_NOT_PERMITTED = 0;<a name="line.2133"></a> |
| <FONT color="green">2134</FONT> final int RELATIVE_PATH_PERMITTED = 1;<a name="line.2134"></a> |
| <FONT color="green">2135</FONT> final int RELATIVE_PATH_REQUIRED = 2;<a name="line.2135"></a> |
| <FONT color="green">2136</FONT> <a name="line.2136"></a> |
| <FONT color="green">2137</FONT> int relativePathStatus = RELATIVE_PATH_NOT_PERMITTED;<a name="line.2137"></a> |
| <FONT color="green">2138</FONT> <a name="line.2138"></a> |
| <FONT color="green">2139</FONT> appendOp(2, OpCodes.OP_LOCATIONPATHPATTERN);<a name="line.2139"></a> |
| <FONT color="green">2140</FONT> <a name="line.2140"></a> |
| <FONT color="green">2141</FONT> if (lookahead('(', 1)<a name="line.2141"></a> |
| <FONT color="green">2142</FONT> && (tokenIs(Keywords.FUNC_ID_STRING)<a name="line.2142"></a> |
| <FONT color="green">2143</FONT> || tokenIs(Keywords.FUNC_KEY_STRING)))<a name="line.2143"></a> |
| <FONT color="green">2144</FONT> {<a name="line.2144"></a> |
| <FONT color="green">2145</FONT> IdKeyPattern();<a name="line.2145"></a> |
| <FONT color="green">2146</FONT> <a name="line.2146"></a> |
| <FONT color="green">2147</FONT> if (tokenIs('/'))<a name="line.2147"></a> |
| <FONT color="green">2148</FONT> {<a name="line.2148"></a> |
| <FONT color="green">2149</FONT> nextToken();<a name="line.2149"></a> |
| <FONT color="green">2150</FONT> <a name="line.2150"></a> |
| <FONT color="green">2151</FONT> if (tokenIs('/'))<a name="line.2151"></a> |
| <FONT color="green">2152</FONT> {<a name="line.2152"></a> |
| <FONT color="green">2153</FONT> appendOp(4, OpCodes.MATCH_ANY_ANCESTOR);<a name="line.2153"></a> |
| <FONT color="green">2154</FONT> <a name="line.2154"></a> |
| <FONT color="green">2155</FONT> nextToken();<a name="line.2155"></a> |
| <FONT color="green">2156</FONT> }<a name="line.2156"></a> |
| <FONT color="green">2157</FONT> else<a name="line.2157"></a> |
| <FONT color="green">2158</FONT> {<a name="line.2158"></a> |
| <FONT color="green">2159</FONT> appendOp(4, OpCodes.MATCH_IMMEDIATE_ANCESTOR);<a name="line.2159"></a> |
| <FONT color="green">2160</FONT> }<a name="line.2160"></a> |
| <FONT color="green">2161</FONT> <a name="line.2161"></a> |
| <FONT color="green">2162</FONT> // Tell how long the step is without the predicate<a name="line.2162"></a> |
| <FONT color="green">2163</FONT> m_ops.setOp(m_ops.getOp(OpMap.MAPINDEX_LENGTH) - 2, 4);<a name="line.2163"></a> |
| <FONT color="green">2164</FONT> m_ops.setOp(m_ops.getOp(OpMap.MAPINDEX_LENGTH) - 1, OpCodes.NODETYPE_FUNCTEST);<a name="line.2164"></a> |
| <FONT color="green">2165</FONT> <a name="line.2165"></a> |
| <FONT color="green">2166</FONT> relativePathStatus = RELATIVE_PATH_REQUIRED;<a name="line.2166"></a> |
| <FONT color="green">2167</FONT> }<a name="line.2167"></a> |
| <FONT color="green">2168</FONT> }<a name="line.2168"></a> |
| <FONT color="green">2169</FONT> else if (tokenIs('/'))<a name="line.2169"></a> |
| <FONT color="green">2170</FONT> {<a name="line.2170"></a> |
| <FONT color="green">2171</FONT> if (lookahead('/', 1))<a name="line.2171"></a> |
| <FONT color="green">2172</FONT> {<a name="line.2172"></a> |
| <FONT color="green">2173</FONT> appendOp(4, OpCodes.MATCH_ANY_ANCESTOR);<a name="line.2173"></a> |
| <FONT color="green">2174</FONT> <a name="line.2174"></a> |
| <FONT color="green">2175</FONT> // Added this to fix bug reported by Myriam for match="//x/a"<a name="line.2175"></a> |
| <FONT color="green">2176</FONT> // patterns. If you don't do this, the 'x' step will think it's part<a name="line.2176"></a> |
| <FONT color="green">2177</FONT> // of a '//' pattern, and so will cause 'a' to be matched when it has<a name="line.2177"></a> |
| <FONT color="green">2178</FONT> // any ancestor that is 'x'.<a name="line.2178"></a> |
| <FONT color="green">2179</FONT> nextToken();<a name="line.2179"></a> |
| <FONT color="green">2180</FONT> <a name="line.2180"></a> |
| <FONT color="green">2181</FONT> relativePathStatus = RELATIVE_PATH_REQUIRED;<a name="line.2181"></a> |
| <FONT color="green">2182</FONT> }<a name="line.2182"></a> |
| <FONT color="green">2183</FONT> else<a name="line.2183"></a> |
| <FONT color="green">2184</FONT> {<a name="line.2184"></a> |
| <FONT color="green">2185</FONT> appendOp(4, OpCodes.FROM_ROOT);<a name="line.2185"></a> |
| <FONT color="green">2186</FONT> <a name="line.2186"></a> |
| <FONT color="green">2187</FONT> relativePathStatus = RELATIVE_PATH_PERMITTED;<a name="line.2187"></a> |
| <FONT color="green">2188</FONT> }<a name="line.2188"></a> |
| <FONT color="green">2189</FONT> <a name="line.2189"></a> |
| <FONT color="green">2190</FONT> <a name="line.2190"></a> |
| <FONT color="green">2191</FONT> // Tell how long the step is without the predicate<a name="line.2191"></a> |
| <FONT color="green">2192</FONT> m_ops.setOp(m_ops.getOp(OpMap.MAPINDEX_LENGTH) - 2, 4);<a name="line.2192"></a> |
| <FONT color="green">2193</FONT> m_ops.setOp(m_ops.getOp(OpMap.MAPINDEX_LENGTH) - 1, OpCodes.NODETYPE_ROOT);<a name="line.2193"></a> |
| <FONT color="green">2194</FONT> <a name="line.2194"></a> |
| <FONT color="green">2195</FONT> nextToken();<a name="line.2195"></a> |
| <FONT color="green">2196</FONT> }<a name="line.2196"></a> |
| <FONT color="green">2197</FONT> else<a name="line.2197"></a> |
| <FONT color="green">2198</FONT> {<a name="line.2198"></a> |
| <FONT color="green">2199</FONT> relativePathStatus = RELATIVE_PATH_REQUIRED;<a name="line.2199"></a> |
| <FONT color="green">2200</FONT> }<a name="line.2200"></a> |
| <FONT color="green">2201</FONT> <a name="line.2201"></a> |
| <FONT color="green">2202</FONT> if (relativePathStatus != RELATIVE_PATH_NOT_PERMITTED)<a name="line.2202"></a> |
| <FONT color="green">2203</FONT> {<a name="line.2203"></a> |
| <FONT color="green">2204</FONT> if (!tokenIs('|') && (null != m_token))<a name="line.2204"></a> |
| <FONT color="green">2205</FONT> {<a name="line.2205"></a> |
| <FONT color="green">2206</FONT> RelativePathPattern();<a name="line.2206"></a> |
| <FONT color="green">2207</FONT> }<a name="line.2207"></a> |
| <FONT color="green">2208</FONT> else if (relativePathStatus == RELATIVE_PATH_REQUIRED)<a name="line.2208"></a> |
| <FONT color="green">2209</FONT> {<a name="line.2209"></a> |
| <FONT color="green">2210</FONT> // "A relative path pattern was expected."<a name="line.2210"></a> |
| <FONT color="green">2211</FONT> error(XPATHErrorResources.ER_EXPECTED_REL_PATH_PATTERN, null);<a name="line.2211"></a> |
| <FONT color="green">2212</FONT> }<a name="line.2212"></a> |
| <FONT color="green">2213</FONT> }<a name="line.2213"></a> |
| <FONT color="green">2214</FONT> <a name="line.2214"></a> |
| <FONT color="green">2215</FONT> // Terminate for safety.<a name="line.2215"></a> |
| <FONT color="green">2216</FONT> m_ops.setOp(m_ops.getOp(OpMap.MAPINDEX_LENGTH), OpCodes.ENDOP);<a name="line.2216"></a> |
| <FONT color="green">2217</FONT> m_ops.setOp(OpMap.MAPINDEX_LENGTH, m_ops.getOp(OpMap.MAPINDEX_LENGTH) + 1);<a name="line.2217"></a> |
| <FONT color="green">2218</FONT> m_ops.setOp(opPos + OpMap.MAPINDEX_LENGTH,<a name="line.2218"></a> |
| <FONT color="green">2219</FONT> m_ops.getOp(OpMap.MAPINDEX_LENGTH) - opPos);<a name="line.2219"></a> |
| <FONT color="green">2220</FONT> }<a name="line.2220"></a> |
| <FONT color="green">2221</FONT> <a name="line.2221"></a> |
| <FONT color="green">2222</FONT> /**<a name="line.2222"></a> |
| <FONT color="green">2223</FONT> *<a name="line.2223"></a> |
| <FONT color="green">2224</FONT> * IdKeyPattern ::= 'id' '(' Literal ')'<a name="line.2224"></a> |
| <FONT color="green">2225</FONT> * | 'key' '(' Literal ',' Literal ')'<a name="line.2225"></a> |
| <FONT color="green">2226</FONT> * (Also handle doc())<a name="line.2226"></a> |
| <FONT color="green">2227</FONT> *<a name="line.2227"></a> |
| <FONT color="green">2228</FONT> *<a name="line.2228"></a> |
| <FONT color="green">2229</FONT> * @throws javax.xml.transform.TransformerException<a name="line.2229"></a> |
| <FONT color="green">2230</FONT> */<a name="line.2230"></a> |
| <FONT color="green">2231</FONT> protected void IdKeyPattern() throws javax.xml.transform.TransformerException<a name="line.2231"></a> |
| <FONT color="green">2232</FONT> {<a name="line.2232"></a> |
| <FONT color="green">2233</FONT> FunctionCall();<a name="line.2233"></a> |
| <FONT color="green">2234</FONT> }<a name="line.2234"></a> |
| <FONT color="green">2235</FONT> <a name="line.2235"></a> |
| <FONT color="green">2236</FONT> /**<a name="line.2236"></a> |
| <FONT color="green">2237</FONT> *<a name="line.2237"></a> |
| <FONT color="green">2238</FONT> * RelativePathPattern ::= StepPattern<a name="line.2238"></a> |
| <FONT color="green">2239</FONT> * | RelativePathPattern '/' StepPattern<a name="line.2239"></a> |
| <FONT color="green">2240</FONT> * | RelativePathPattern '//' StepPattern<a name="line.2240"></a> |
| <FONT color="green">2241</FONT> *<a name="line.2241"></a> |
| <FONT color="green">2242</FONT> * @throws javax.xml.transform.TransformerException<a name="line.2242"></a> |
| <FONT color="green">2243</FONT> */<a name="line.2243"></a> |
| <FONT color="green">2244</FONT> protected void RelativePathPattern()<a name="line.2244"></a> |
| <FONT color="green">2245</FONT> throws javax.xml.transform.TransformerException<a name="line.2245"></a> |
| <FONT color="green">2246</FONT> {<a name="line.2246"></a> |
| <FONT color="green">2247</FONT> <a name="line.2247"></a> |
| <FONT color="green">2248</FONT> // Caller will have consumed any '/' or '//' preceding the<a name="line.2248"></a> |
| <FONT color="green">2249</FONT> // RelativePathPattern, so let StepPattern know it can't begin with a '/'<a name="line.2249"></a> |
| <FONT color="green">2250</FONT> boolean trailingSlashConsumed = StepPattern(false);<a name="line.2250"></a> |
| <FONT color="green">2251</FONT> <a name="line.2251"></a> |
| <FONT color="green">2252</FONT> while (tokenIs('/'))<a name="line.2252"></a> |
| <FONT color="green">2253</FONT> {<a name="line.2253"></a> |
| <FONT color="green">2254</FONT> nextToken();<a name="line.2254"></a> |
| <FONT color="green">2255</FONT> <a name="line.2255"></a> |
| <FONT color="green">2256</FONT> // StepPattern() may consume first slash of pair in "a//b" while<a name="line.2256"></a> |
| <FONT color="green">2257</FONT> // processing StepPattern "a". On next iteration, let StepPattern know<a name="line.2257"></a> |
| <FONT color="green">2258</FONT> // that happened, so it doesn't match ill-formed patterns like "a///b".<a name="line.2258"></a> |
| <FONT color="green">2259</FONT> trailingSlashConsumed = StepPattern(!trailingSlashConsumed);<a name="line.2259"></a> |
| <FONT color="green">2260</FONT> }<a name="line.2260"></a> |
| <FONT color="green">2261</FONT> }<a name="line.2261"></a> |
| <FONT color="green">2262</FONT> <a name="line.2262"></a> |
| <FONT color="green">2263</FONT> /**<a name="line.2263"></a> |
| <FONT color="green">2264</FONT> *<a name="line.2264"></a> |
| <FONT color="green">2265</FONT> * StepPattern ::= AbbreviatedNodeTestStep<a name="line.2265"></a> |
| <FONT color="green">2266</FONT> *<a name="line.2266"></a> |
| <FONT color="green">2267</FONT> * @param isLeadingSlashPermitted a boolean indicating whether a slash can<a name="line.2267"></a> |
| <FONT color="green">2268</FONT> * appear at the start of this step<a name="line.2268"></a> |
| <FONT color="green">2269</FONT> *<a name="line.2269"></a> |
| <FONT color="green">2270</FONT> * @return boolean indicating whether a slash following the step was consumed<a name="line.2270"></a> |
| <FONT color="green">2271</FONT> *<a name="line.2271"></a> |
| <FONT color="green">2272</FONT> * @throws javax.xml.transform.TransformerException<a name="line.2272"></a> |
| <FONT color="green">2273</FONT> */<a name="line.2273"></a> |
| <FONT color="green">2274</FONT> protected boolean StepPattern(boolean isLeadingSlashPermitted)<a name="line.2274"></a> |
| <FONT color="green">2275</FONT> throws javax.xml.transform.TransformerException<a name="line.2275"></a> |
| <FONT color="green">2276</FONT> {<a name="line.2276"></a> |
| <FONT color="green">2277</FONT> return AbbreviatedNodeTestStep(isLeadingSlashPermitted);<a name="line.2277"></a> |
| <FONT color="green">2278</FONT> }<a name="line.2278"></a> |
| <FONT color="green">2279</FONT> <a name="line.2279"></a> |
| <FONT color="green">2280</FONT> /**<a name="line.2280"></a> |
| <FONT color="green">2281</FONT> *<a name="line.2281"></a> |
| <FONT color="green">2282</FONT> * AbbreviatedNodeTestStep ::= '@'? NodeTest Predicate<a name="line.2282"></a> |
| <FONT color="green">2283</FONT> *<a name="line.2283"></a> |
| <FONT color="green">2284</FONT> * @param isLeadingSlashPermitted a boolean indicating whether a slash can<a name="line.2284"></a> |
| <FONT color="green">2285</FONT> * appear at the start of this step<a name="line.2285"></a> |
| <FONT color="green">2286</FONT> *<a name="line.2286"></a> |
| <FONT color="green">2287</FONT> * @return boolean indicating whether a slash following the step was consumed<a name="line.2287"></a> |
| <FONT color="green">2288</FONT> *<a name="line.2288"></a> |
| <FONT color="green">2289</FONT> * @throws javax.xml.transform.TransformerException<a name="line.2289"></a> |
| <FONT color="green">2290</FONT> */<a name="line.2290"></a> |
| <FONT color="green">2291</FONT> protected boolean AbbreviatedNodeTestStep(boolean isLeadingSlashPermitted)<a name="line.2291"></a> |
| <FONT color="green">2292</FONT> throws javax.xml.transform.TransformerException<a name="line.2292"></a> |
| <FONT color="green">2293</FONT> {<a name="line.2293"></a> |
| <FONT color="green">2294</FONT> <a name="line.2294"></a> |
| <FONT color="green">2295</FONT> int opPos = m_ops.getOp(OpMap.MAPINDEX_LENGTH);<a name="line.2295"></a> |
| <FONT color="green">2296</FONT> int axesType;<a name="line.2296"></a> |
| <FONT color="green">2297</FONT> <a name="line.2297"></a> |
| <FONT color="green">2298</FONT> // The next blocks guarantee that a MATCH_XXX will be added.<a name="line.2298"></a> |
| <FONT color="green">2299</FONT> int matchTypePos = -1;<a name="line.2299"></a> |
| <FONT color="green">2300</FONT> <a name="line.2300"></a> |
| <FONT color="green">2301</FONT> if (tokenIs('@'))<a name="line.2301"></a> |
| <FONT color="green">2302</FONT> {<a name="line.2302"></a> |
| <FONT color="green">2303</FONT> axesType = OpCodes.MATCH_ATTRIBUTE;<a name="line.2303"></a> |
| <FONT color="green">2304</FONT> <a name="line.2304"></a> |
| <FONT color="green">2305</FONT> appendOp(2, axesType);<a name="line.2305"></a> |
| <FONT color="green">2306</FONT> nextToken();<a name="line.2306"></a> |
| <FONT color="green">2307</FONT> }<a name="line.2307"></a> |
| <FONT color="green">2308</FONT> else if (this.lookahead("::", 1))<a name="line.2308"></a> |
| <FONT color="green">2309</FONT> {<a name="line.2309"></a> |
| <FONT color="green">2310</FONT> if (tokenIs("attribute"))<a name="line.2310"></a> |
| <FONT color="green">2311</FONT> {<a name="line.2311"></a> |
| <FONT color="green">2312</FONT> axesType = OpCodes.MATCH_ATTRIBUTE;<a name="line.2312"></a> |
| <FONT color="green">2313</FONT> <a name="line.2313"></a> |
| <FONT color="green">2314</FONT> appendOp(2, axesType);<a name="line.2314"></a> |
| <FONT color="green">2315</FONT> }<a name="line.2315"></a> |
| <FONT color="green">2316</FONT> else if (tokenIs("child"))<a name="line.2316"></a> |
| <FONT color="green">2317</FONT> {<a name="line.2317"></a> |
| <FONT color="green">2318</FONT> matchTypePos = m_ops.getOp(OpMap.MAPINDEX_LENGTH);<a name="line.2318"></a> |
| <FONT color="green">2319</FONT> axesType = OpCodes.MATCH_IMMEDIATE_ANCESTOR;<a name="line.2319"></a> |
| <FONT color="green">2320</FONT> <a name="line.2320"></a> |
| <FONT color="green">2321</FONT> appendOp(2, axesType);<a name="line.2321"></a> |
| <FONT color="green">2322</FONT> }<a name="line.2322"></a> |
| <FONT color="green">2323</FONT> else<a name="line.2323"></a> |
| <FONT color="green">2324</FONT> {<a name="line.2324"></a> |
| <FONT color="green">2325</FONT> axesType = -1;<a name="line.2325"></a> |
| <FONT color="green">2326</FONT> <a name="line.2326"></a> |
| <FONT color="green">2327</FONT> this.error(XPATHErrorResources.ER_AXES_NOT_ALLOWED,<a name="line.2327"></a> |
| <FONT color="green">2328</FONT> new Object[]{ this.m_token });<a name="line.2328"></a> |
| <FONT color="green">2329</FONT> }<a name="line.2329"></a> |
| <FONT color="green">2330</FONT> <a name="line.2330"></a> |
| <FONT color="green">2331</FONT> nextToken();<a name="line.2331"></a> |
| <FONT color="green">2332</FONT> nextToken();<a name="line.2332"></a> |
| <FONT color="green">2333</FONT> }<a name="line.2333"></a> |
| <FONT color="green">2334</FONT> else if (tokenIs('/'))<a name="line.2334"></a> |
| <FONT color="green">2335</FONT> {<a name="line.2335"></a> |
| <FONT color="green">2336</FONT> if (!isLeadingSlashPermitted)<a name="line.2336"></a> |
| <FONT color="green">2337</FONT> {<a name="line.2337"></a> |
| <FONT color="green">2338</FONT> // "A step was expected in the pattern, but '/' was encountered."<a name="line.2338"></a> |
| <FONT color="green">2339</FONT> error(XPATHErrorResources.ER_EXPECTED_STEP_PATTERN, null);<a name="line.2339"></a> |
| <FONT color="green">2340</FONT> }<a name="line.2340"></a> |
| <FONT color="green">2341</FONT> axesType = OpCodes.MATCH_ANY_ANCESTOR;<a name="line.2341"></a> |
| <FONT color="green">2342</FONT> <a name="line.2342"></a> |
| <FONT color="green">2343</FONT> appendOp(2, axesType);<a name="line.2343"></a> |
| <FONT color="green">2344</FONT> nextToken();<a name="line.2344"></a> |
| <FONT color="green">2345</FONT> }<a name="line.2345"></a> |
| <FONT color="green">2346</FONT> else<a name="line.2346"></a> |
| <FONT color="green">2347</FONT> {<a name="line.2347"></a> |
| <FONT color="green">2348</FONT> matchTypePos = m_ops.getOp(OpMap.MAPINDEX_LENGTH);<a name="line.2348"></a> |
| <FONT color="green">2349</FONT> axesType = OpCodes.MATCH_IMMEDIATE_ANCESTOR;<a name="line.2349"></a> |
| <FONT color="green">2350</FONT> <a name="line.2350"></a> |
| <FONT color="green">2351</FONT> appendOp(2, axesType);<a name="line.2351"></a> |
| <FONT color="green">2352</FONT> }<a name="line.2352"></a> |
| <FONT color="green">2353</FONT> <a name="line.2353"></a> |
| <FONT color="green">2354</FONT> // Make room for telling how long the step is without the predicate<a name="line.2354"></a> |
| <FONT color="green">2355</FONT> m_ops.setOp(OpMap.MAPINDEX_LENGTH, m_ops.getOp(OpMap.MAPINDEX_LENGTH) + 1);<a name="line.2355"></a> |
| <FONT color="green">2356</FONT> <a name="line.2356"></a> |
| <FONT color="green">2357</FONT> NodeTest(axesType);<a name="line.2357"></a> |
| <FONT color="green">2358</FONT> <a name="line.2358"></a> |
| <FONT color="green">2359</FONT> // Tell how long the step is without the predicate<a name="line.2359"></a> |
| <FONT color="green">2360</FONT> m_ops.setOp(opPos + OpMap.MAPINDEX_LENGTH + 1,<a name="line.2360"></a> |
| <FONT color="green">2361</FONT> m_ops.getOp(OpMap.MAPINDEX_LENGTH) - opPos);<a name="line.2361"></a> |
| <FONT color="green">2362</FONT> <a name="line.2362"></a> |
| <FONT color="green">2363</FONT> while (tokenIs('['))<a name="line.2363"></a> |
| <FONT color="green">2364</FONT> {<a name="line.2364"></a> |
| <FONT color="green">2365</FONT> Predicate();<a name="line.2365"></a> |
| <FONT color="green">2366</FONT> }<a name="line.2366"></a> |
| <FONT color="green">2367</FONT> <a name="line.2367"></a> |
| <FONT color="green">2368</FONT> boolean trailingSlashConsumed;<a name="line.2368"></a> |
| <FONT color="green">2369</FONT> <a name="line.2369"></a> |
| <FONT color="green">2370</FONT> // For "a//b", where "a" is current step, we need to mark operation of<a name="line.2370"></a> |
| <FONT color="green">2371</FONT> // current step as "MATCH_ANY_ANCESTOR". Then we'll consume the first<a name="line.2371"></a> |
| <FONT color="green">2372</FONT> // slash and subsequent step will be treated as a MATCH_IMMEDIATE_ANCESTOR<a name="line.2372"></a> |
| <FONT color="green">2373</FONT> // (unless it too is followed by '//'.)<a name="line.2373"></a> |
| <FONT color="green">2374</FONT> //<a name="line.2374"></a> |
| <FONT color="green">2375</FONT> // %REVIEW% Following is what happens today, but I'm not sure that's<a name="line.2375"></a> |
| <FONT color="green">2376</FONT> // %REVIEW% correct behaviour. Perhaps no valid case could be constructed<a name="line.2376"></a> |
| <FONT color="green">2377</FONT> // %REVIEW% where it would matter?<a name="line.2377"></a> |
| <FONT color="green">2378</FONT> //<a name="line.2378"></a> |
| <FONT color="green">2379</FONT> // If current step is on the attribute axis (e.g., "@x//b"), we won't<a name="line.2379"></a> |
| <FONT color="green">2380</FONT> // change the current step, and let following step be marked as<a name="line.2380"></a> |
| <FONT color="green">2381</FONT> // MATCH_ANY_ANCESTOR on next call instead.<a name="line.2381"></a> |
| <FONT color="green">2382</FONT> if ((matchTypePos > -1) && tokenIs('/') && lookahead('/', 1))<a name="line.2382"></a> |
| <FONT color="green">2383</FONT> {<a name="line.2383"></a> |
| <FONT color="green">2384</FONT> m_ops.setOp(matchTypePos, OpCodes.MATCH_ANY_ANCESTOR);<a name="line.2384"></a> |
| <FONT color="green">2385</FONT> <a name="line.2385"></a> |
| <FONT color="green">2386</FONT> nextToken();<a name="line.2386"></a> |
| <FONT color="green">2387</FONT> <a name="line.2387"></a> |
| <FONT color="green">2388</FONT> trailingSlashConsumed = true;<a name="line.2388"></a> |
| <FONT color="green">2389</FONT> }<a name="line.2389"></a> |
| <FONT color="green">2390</FONT> else<a name="line.2390"></a> |
| <FONT color="green">2391</FONT> {<a name="line.2391"></a> |
| <FONT color="green">2392</FONT> trailingSlashConsumed = false;<a name="line.2392"></a> |
| <FONT color="green">2393</FONT> }<a name="line.2393"></a> |
| <FONT color="green">2394</FONT> <a name="line.2394"></a> |
| <FONT color="green">2395</FONT> // Tell how long the entire step is.<a name="line.2395"></a> |
| <FONT color="green">2396</FONT> m_ops.setOp(opPos + OpMap.MAPINDEX_LENGTH,<a name="line.2396"></a> |
| <FONT color="green">2397</FONT> m_ops.getOp(OpMap.MAPINDEX_LENGTH) - opPos);<a name="line.2397"></a> |
| <FONT color="green">2398</FONT> <a name="line.2398"></a> |
| <FONT color="green">2399</FONT> return trailingSlashConsumed;<a name="line.2399"></a> |
| <FONT color="green">2400</FONT> }<a name="line.2400"></a> |
| <FONT color="green">2401</FONT> }<a name="line.2401"></a> |
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| </PRE> |
| </BODY> |
| </HTML> |
