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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: PredicatedNodeTest.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.axes;<a name="line.21"></a> |
| <FONT color="green">022</FONT> <a name="line.22"></a> |
| <FONT color="green">023</FONT> import org.apache.xml.dtm.DTM;<a name="line.23"></a> |
| <FONT color="green">024</FONT> import org.apache.xml.dtm.DTMIterator;<a name="line.24"></a> |
| <FONT color="green">025</FONT> import org.apache.xml.utils.PrefixResolver;<a name="line.25"></a> |
| <FONT color="green">026</FONT> import org.apache.xpath.Expression;<a name="line.26"></a> |
| <FONT color="green">027</FONT> import org.apache.xpath.ExpressionOwner;<a name="line.27"></a> |
| <FONT color="green">028</FONT> import org.apache.xpath.XPathContext;<a name="line.28"></a> |
| <FONT color="green">029</FONT> import org.apache.xpath.XPathVisitor;<a name="line.29"></a> |
| <FONT color="green">030</FONT> import org.apache.xpath.compiler.Compiler;<a name="line.30"></a> |
| <FONT color="green">031</FONT> import org.apache.xpath.objects.XObject;<a name="line.31"></a> |
| <FONT color="green">032</FONT> import org.apache.xpath.patterns.NodeTest;<a name="line.32"></a> |
| <FONT color="green">033</FONT> <a name="line.33"></a> |
| <FONT color="green">034</FONT> public abstract class PredicatedNodeTest extends NodeTest implements SubContextList<a name="line.34"></a> |
| <FONT color="green">035</FONT> {<a name="line.35"></a> |
| <FONT color="green">036</FONT> static final long serialVersionUID = -6193530757296377351L;<a name="line.36"></a> |
| <FONT color="green">037</FONT> <a name="line.37"></a> |
| <FONT color="green">038</FONT> /**<a name="line.38"></a> |
| <FONT color="green">039</FONT> * Construct an AxesWalker using a LocPathIterator.<a name="line.39"></a> |
| <FONT color="green">040</FONT> *<a name="line.40"></a> |
| <FONT color="green">041</FONT> * @param locPathIterator non-null reference to the parent iterator.<a name="line.41"></a> |
| <FONT color="green">042</FONT> */<a name="line.42"></a> |
| <FONT color="green">043</FONT> PredicatedNodeTest(LocPathIterator locPathIterator)<a name="line.43"></a> |
| <FONT color="green">044</FONT> {<a name="line.44"></a> |
| <FONT color="green">045</FONT> m_lpi = locPathIterator;<a name="line.45"></a> |
| <FONT color="green">046</FONT> }<a name="line.46"></a> |
| <FONT color="green">047</FONT> <a name="line.47"></a> |
| <FONT color="green">048</FONT> /**<a name="line.48"></a> |
| <FONT color="green">049</FONT> * Construct an AxesWalker. The location path iterator will have to be set<a name="line.49"></a> |
| <FONT color="green">050</FONT> * before use.<a name="line.50"></a> |
| <FONT color="green">051</FONT> */<a name="line.51"></a> |
| <FONT color="green">052</FONT> PredicatedNodeTest()<a name="line.52"></a> |
| <FONT color="green">053</FONT> {<a name="line.53"></a> |
| <FONT color="green">054</FONT> }<a name="line.54"></a> |
| <FONT color="green">055</FONT> <a name="line.55"></a> |
| <FONT color="green">056</FONT> /**<a name="line.56"></a> |
| <FONT color="green">057</FONT> * Read the object from a serialization stream.<a name="line.57"></a> |
| <FONT color="green">058</FONT> *<a name="line.58"></a> |
| <FONT color="green">059</FONT> * @param stream Input stream to read from<a name="line.59"></a> |
| <FONT color="green">060</FONT> *<a name="line.60"></a> |
| <FONT color="green">061</FONT> * @throws java.io.IOException<a name="line.61"></a> |
| <FONT color="green">062</FONT> * @throws javax.xml.transform.TransformerException<a name="line.62"></a> |
| <FONT color="green">063</FONT> */<a name="line.63"></a> |
| <FONT color="green">064</FONT> private void readObject(java.io.ObjectInputStream stream)<a name="line.64"></a> |
| <FONT color="green">065</FONT> throws java.io.IOException, javax.xml.transform.TransformerException<a name="line.65"></a> |
| <FONT color="green">066</FONT> {<a name="line.66"></a> |
| <FONT color="green">067</FONT> try<a name="line.67"></a> |
| <FONT color="green">068</FONT> {<a name="line.68"></a> |
| <FONT color="green">069</FONT> stream.defaultReadObject();<a name="line.69"></a> |
| <FONT color="green">070</FONT> m_predicateIndex = -1;<a name="line.70"></a> |
| <FONT color="green">071</FONT> resetProximityPositions();<a name="line.71"></a> |
| <FONT color="green">072</FONT> }<a name="line.72"></a> |
| <FONT color="green">073</FONT> catch (ClassNotFoundException cnfe)<a name="line.73"></a> |
| <FONT color="green">074</FONT> {<a name="line.74"></a> |
| <FONT color="green">075</FONT> throw new javax.xml.transform.TransformerException(cnfe);<a name="line.75"></a> |
| <FONT color="green">076</FONT> }<a name="line.76"></a> |
| <FONT color="green">077</FONT> }<a name="line.77"></a> |
| <FONT color="green">078</FONT> <a name="line.78"></a> |
| <FONT color="green">079</FONT> /**<a name="line.79"></a> |
| <FONT color="green">080</FONT> * Get a cloned PrdicatedNodeTest.<a name="line.80"></a> |
| <FONT color="green">081</FONT> *<a name="line.81"></a> |
| <FONT color="green">082</FONT> * @return A new PredicatedNodeTest that can be used without mutating this one.<a name="line.82"></a> |
| <FONT color="green">083</FONT> *<a name="line.83"></a> |
| <FONT color="green">084</FONT> * @throws CloneNotSupportedException<a name="line.84"></a> |
| <FONT color="green">085</FONT> */<a name="line.85"></a> |
| <FONT color="green">086</FONT> public Object clone() throws CloneNotSupportedException<a name="line.86"></a> |
| <FONT color="green">087</FONT> {<a name="line.87"></a> |
| <FONT color="green">088</FONT> // Do not access the location path itterator during this operation!<a name="line.88"></a> |
| <FONT color="green">089</FONT> <a name="line.89"></a> |
| <FONT color="green">090</FONT> PredicatedNodeTest clone = (PredicatedNodeTest) super.clone();<a name="line.90"></a> |
| <FONT color="green">091</FONT> <a name="line.91"></a> |
| <FONT color="green">092</FONT> if ((null != this.m_proximityPositions)<a name="line.92"></a> |
| <FONT color="green">093</FONT> && (this.m_proximityPositions == clone.m_proximityPositions))<a name="line.93"></a> |
| <FONT color="green">094</FONT> {<a name="line.94"></a> |
| <FONT color="green">095</FONT> clone.m_proximityPositions = new int[this.m_proximityPositions.length];<a name="line.95"></a> |
| <FONT color="green">096</FONT> <a name="line.96"></a> |
| <FONT color="green">097</FONT> System.arraycopy(this.m_proximityPositions, 0,<a name="line.97"></a> |
| <FONT color="green">098</FONT> clone.m_proximityPositions, 0,<a name="line.98"></a> |
| <FONT color="green">099</FONT> this.m_proximityPositions.length);<a name="line.99"></a> |
| <FONT color="green">100</FONT> }<a name="line.100"></a> |
| <FONT color="green">101</FONT> <a name="line.101"></a> |
| <FONT color="green">102</FONT> if(clone.m_lpi == this)<a name="line.102"></a> |
| <FONT color="green">103</FONT> clone.m_lpi = (LocPathIterator)clone;<a name="line.103"></a> |
| <FONT color="green">104</FONT> <a name="line.104"></a> |
| <FONT color="green">105</FONT> return clone;<a name="line.105"></a> |
| <FONT color="green">106</FONT> }<a name="line.106"></a> |
| <FONT color="green">107</FONT> <a name="line.107"></a> |
| <FONT color="green">108</FONT> // Only for clones for findLastPos. See bug4638.<a name="line.108"></a> |
| <FONT color="green">109</FONT> protected int m_predCount = -1;<a name="line.109"></a> |
| <FONT color="green">110</FONT> <a name="line.110"></a> |
| <FONT color="green">111</FONT> /**<a name="line.111"></a> |
| <FONT color="green">112</FONT> * Get the number of predicates that this walker has.<a name="line.112"></a> |
| <FONT color="green">113</FONT> *<a name="line.113"></a> |
| <FONT color="green">114</FONT> * @return the number of predicates that this walker has.<a name="line.114"></a> |
| <FONT color="green">115</FONT> */<a name="line.115"></a> |
| <FONT color="green">116</FONT> public int getPredicateCount()<a name="line.116"></a> |
| <FONT color="green">117</FONT> {<a name="line.117"></a> |
| <FONT color="green">118</FONT> if(-1 == m_predCount)<a name="line.118"></a> |
| <FONT color="green">119</FONT> return (null == m_predicates) ? 0 : m_predicates.length;<a name="line.119"></a> |
| <FONT color="green">120</FONT> else<a name="line.120"></a> |
| <FONT color="green">121</FONT> return m_predCount;<a name="line.121"></a> |
| <FONT color="green">122</FONT> }<a name="line.122"></a> |
| <FONT color="green">123</FONT> <a name="line.123"></a> |
| <FONT color="green">124</FONT> /**<a name="line.124"></a> |
| <FONT color="green">125</FONT> * Set the number of predicates that this walker has. This does more <a name="line.125"></a> |
| <FONT color="green">126</FONT> * that one would think, as it creates a new predicate array of the <a name="line.126"></a> |
| <FONT color="green">127</FONT> * size of the count argument, and copies count predicates into the new <a name="line.127"></a> |
| <FONT color="green">128</FONT> * one from the old, and then reassigns the predicates value. All this <a name="line.128"></a> |
| <FONT color="green">129</FONT> * to keep from having to have a predicate count value.<a name="line.129"></a> |
| <FONT color="green">130</FONT> *<a name="line.130"></a> |
| <FONT color="green">131</FONT> * @param count The number of predicates, which must be equal or less <a name="line.131"></a> |
| <FONT color="green">132</FONT> * than the existing count.<a name="line.132"></a> |
| <FONT color="green">133</FONT> */<a name="line.133"></a> |
| <FONT color="green">134</FONT> public void setPredicateCount(int count)<a name="line.134"></a> |
| <FONT color="green">135</FONT> {<a name="line.135"></a> |
| <FONT color="green">136</FONT> if(count > 0)<a name="line.136"></a> |
| <FONT color="green">137</FONT> {<a name="line.137"></a> |
| <FONT color="green">138</FONT> Expression[] newPredicates = new Expression[count];<a name="line.138"></a> |
| <FONT color="green">139</FONT> for (int i = 0; i < count; i++) <a name="line.139"></a> |
| <FONT color="green">140</FONT> {<a name="line.140"></a> |
| <FONT color="green">141</FONT> newPredicates[i] = m_predicates[i];<a name="line.141"></a> |
| <FONT color="green">142</FONT> }<a name="line.142"></a> |
| <FONT color="green">143</FONT> m_predicates = newPredicates;<a name="line.143"></a> |
| <FONT color="green">144</FONT> }<a name="line.144"></a> |
| <FONT color="green">145</FONT> else<a name="line.145"></a> |
| <FONT color="green">146</FONT> m_predicates = null;<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> /**<a name="line.150"></a> |
| <FONT color="green">151</FONT> * Init predicate info.<a name="line.151"></a> |
| <FONT color="green">152</FONT> *<a name="line.152"></a> |
| <FONT color="green">153</FONT> * @param compiler The Compiler object that has information about this <a name="line.153"></a> |
| <FONT color="green">154</FONT> * walker in the op map.<a name="line.154"></a> |
| <FONT color="green">155</FONT> * @param opPos The op code position of this location step.<a name="line.155"></a> |
| <FONT color="green">156</FONT> *<a name="line.156"></a> |
| <FONT color="green">157</FONT> * @throws javax.xml.transform.TransformerException<a name="line.157"></a> |
| <FONT color="green">158</FONT> */<a name="line.158"></a> |
| <FONT color="green">159</FONT> protected void initPredicateInfo(Compiler compiler, int opPos)<a name="line.159"></a> |
| <FONT color="green">160</FONT> throws javax.xml.transform.TransformerException<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> int pos = compiler.getFirstPredicateOpPos(opPos);<a name="line.163"></a> |
| <FONT color="green">164</FONT> <a name="line.164"></a> |
| <FONT color="green">165</FONT> if(pos > 0)<a name="line.165"></a> |
| <FONT color="green">166</FONT> {<a name="line.166"></a> |
| <FONT color="green">167</FONT> m_predicates = compiler.getCompiledPredicates(pos);<a name="line.167"></a> |
| <FONT color="green">168</FONT> if(null != m_predicates)<a name="line.168"></a> |
| <FONT color="green">169</FONT> {<a name="line.169"></a> |
| <FONT color="green">170</FONT> for(int i = 0; i < m_predicates.length; i++)<a name="line.170"></a> |
| <FONT color="green">171</FONT> {<a name="line.171"></a> |
| <FONT color="green">172</FONT> m_predicates[i].exprSetParent(this);<a name="line.172"></a> |
| <FONT color="green">173</FONT> }<a name="line.173"></a> |
| <FONT color="green">174</FONT> }<a name="line.174"></a> |
| <FONT color="green">175</FONT> }<a name="line.175"></a> |
| <FONT color="green">176</FONT> }<a name="line.176"></a> |
| <FONT color="green">177</FONT> <a name="line.177"></a> |
| <FONT color="green">178</FONT> /**<a name="line.178"></a> |
| <FONT color="green">179</FONT> * Get a predicate expression at the given index.<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> * @param index Index of the predicate.<a name="line.182"></a> |
| <FONT color="green">183</FONT> *<a name="line.183"></a> |
| <FONT color="green">184</FONT> * @return A predicate expression.<a name="line.184"></a> |
| <FONT color="green">185</FONT> */<a name="line.185"></a> |
| <FONT color="green">186</FONT> public Expression getPredicate(int index)<a name="line.186"></a> |
| <FONT color="green">187</FONT> {<a name="line.187"></a> |
| <FONT color="green">188</FONT> return m_predicates[index];<a name="line.188"></a> |
| <FONT color="green">189</FONT> }<a name="line.189"></a> |
| <FONT color="green">190</FONT> <a name="line.190"></a> |
| <FONT color="green">191</FONT> /**<a name="line.191"></a> |
| <FONT color="green">192</FONT> * Get the current sub-context position.<a name="line.192"></a> |
| <FONT color="green">193</FONT> *<a name="line.193"></a> |
| <FONT color="green">194</FONT> * @return The node position of this walker in the sub-context node list.<a name="line.194"></a> |
| <FONT color="green">195</FONT> */<a name="line.195"></a> |
| <FONT color="green">196</FONT> public int getProximityPosition()<a name="line.196"></a> |
| <FONT color="green">197</FONT> {<a name="line.197"></a> |
| <FONT color="green">198</FONT> <a name="line.198"></a> |
| <FONT color="green">199</FONT> // System.out.println("getProximityPosition - m_predicateIndex: "+m_predicateIndex);<a name="line.199"></a> |
| <FONT color="green">200</FONT> return getProximityPosition(m_predicateIndex);<a name="line.200"></a> |
| <FONT color="green">201</FONT> }<a name="line.201"></a> |
| <FONT color="green">202</FONT> <a name="line.202"></a> |
| <FONT color="green">203</FONT> /**<a name="line.203"></a> |
| <FONT color="green">204</FONT> * Get the current sub-context position.<a name="line.204"></a> |
| <FONT color="green">205</FONT> *<a name="line.205"></a> |
| <FONT color="green">206</FONT> * @param xctxt The XPath runtime context.<a name="line.206"></a> |
| <FONT color="green">207</FONT> *<a name="line.207"></a> |
| <FONT color="green">208</FONT> * @return The node position of this walker in the sub-context node list.<a name="line.208"></a> |
| <FONT color="green">209</FONT> */<a name="line.209"></a> |
| <FONT color="green">210</FONT> public int getProximityPosition(XPathContext xctxt)<a name="line.210"></a> |
| <FONT color="green">211</FONT> {<a name="line.211"></a> |
| <FONT color="green">212</FONT> return getProximityPosition();<a name="line.212"></a> |
| <FONT color="green">213</FONT> }<a name="line.213"></a> |
| <FONT color="green">214</FONT> <a name="line.214"></a> |
| <FONT color="green">215</FONT> /**<a name="line.215"></a> |
| <FONT color="green">216</FONT> * Get the index of the last node that can be itterated to.<a name="line.216"></a> |
| <FONT color="green">217</FONT> *<a name="line.217"></a> |
| <FONT color="green">218</FONT> *<a name="line.218"></a> |
| <FONT color="green">219</FONT> * @param xctxt XPath runtime context.<a name="line.219"></a> |
| <FONT color="green">220</FONT> *<a name="line.220"></a> |
| <FONT color="green">221</FONT> * @return the index of the last node that can be itterated to.<a name="line.221"></a> |
| <FONT color="green">222</FONT> */<a name="line.222"></a> |
| <FONT color="green">223</FONT> public abstract int getLastPos(XPathContext xctxt);<a name="line.223"></a> |
| <FONT color="green">224</FONT> <a name="line.224"></a> |
| <FONT color="green">225</FONT> /**<a name="line.225"></a> |
| <FONT color="green">226</FONT> * Get the current sub-context position.<a name="line.226"></a> |
| <FONT color="green">227</FONT> *<a name="line.227"></a> |
| <FONT color="green">228</FONT> * @param predicateIndex The index of the predicate where the proximity <a name="line.228"></a> |
| <FONT color="green">229</FONT> * should be taken from.<a name="line.229"></a> |
| <FONT color="green">230</FONT> *<a name="line.230"></a> |
| <FONT color="green">231</FONT> * @return The node position of this walker in the sub-context node list.<a name="line.231"></a> |
| <FONT color="green">232</FONT> */<a name="line.232"></a> |
| <FONT color="green">233</FONT> protected int getProximityPosition(int predicateIndex)<a name="line.233"></a> |
| <FONT color="green">234</FONT> {<a name="line.234"></a> |
| <FONT color="green">235</FONT> return (predicateIndex >= 0) ? m_proximityPositions[predicateIndex] : 0;<a name="line.235"></a> |
| <FONT color="green">236</FONT> }<a name="line.236"></a> |
| <FONT color="green">237</FONT> <a name="line.237"></a> |
| <FONT color="green">238</FONT> /**<a name="line.238"></a> |
| <FONT color="green">239</FONT> * Reset the proximity positions counts.<a name="line.239"></a> |
| <FONT color="green">240</FONT> */<a name="line.240"></a> |
| <FONT color="green">241</FONT> public void resetProximityPositions()<a name="line.241"></a> |
| <FONT color="green">242</FONT> {<a name="line.242"></a> |
| <FONT color="green">243</FONT> int nPredicates = getPredicateCount();<a name="line.243"></a> |
| <FONT color="green">244</FONT> if (nPredicates > 0)<a name="line.244"></a> |
| <FONT color="green">245</FONT> {<a name="line.245"></a> |
| <FONT color="green">246</FONT> if (null == m_proximityPositions)<a name="line.246"></a> |
| <FONT color="green">247</FONT> m_proximityPositions = new int[nPredicates];<a name="line.247"></a> |
| <FONT color="green">248</FONT> <a name="line.248"></a> |
| <FONT color="green">249</FONT> for (int i = 0; i < nPredicates; i++)<a name="line.249"></a> |
| <FONT color="green">250</FONT> {<a name="line.250"></a> |
| <FONT color="green">251</FONT> try<a name="line.251"></a> |
| <FONT color="green">252</FONT> {<a name="line.252"></a> |
| <FONT color="green">253</FONT> initProximityPosition(i);<a name="line.253"></a> |
| <FONT color="green">254</FONT> }<a name="line.254"></a> |
| <FONT color="green">255</FONT> catch(Exception e)<a name="line.255"></a> |
| <FONT color="green">256</FONT> {<a name="line.256"></a> |
| <FONT color="green">257</FONT> // TODO: Fix this...<a name="line.257"></a> |
| <FONT color="green">258</FONT> throw new org.apache.xml.utils.WrappedRuntimeException(e);<a name="line.258"></a> |
| <FONT color="green">259</FONT> }<a name="line.259"></a> |
| <FONT color="green">260</FONT> }<a name="line.260"></a> |
| <FONT color="green">261</FONT> }<a name="line.261"></a> |
| <FONT color="green">262</FONT> }<a name="line.262"></a> |
| <FONT color="green">263</FONT> <a name="line.263"></a> |
| <FONT color="green">264</FONT> /**<a name="line.264"></a> |
| <FONT color="green">265</FONT> * Init the proximity position to zero for a forward axes.<a name="line.265"></a> |
| <FONT color="green">266</FONT> *<a name="line.266"></a> |
| <FONT color="green">267</FONT> * @param i The index into the m_proximityPositions array.<a name="line.267"></a> |
| <FONT color="green">268</FONT> *<a name="line.268"></a> |
| <FONT color="green">269</FONT> * @throws javax.xml.transform.TransformerException<a name="line.269"></a> |
| <FONT color="green">270</FONT> */<a name="line.270"></a> |
| <FONT color="green">271</FONT> public void initProximityPosition(int i) throws javax.xml.transform.TransformerException<a name="line.271"></a> |
| <FONT color="green">272</FONT> {<a name="line.272"></a> |
| <FONT color="green">273</FONT> m_proximityPositions[i] = 0;<a name="line.273"></a> |
| <FONT color="green">274</FONT> }<a name="line.274"></a> |
| <FONT color="green">275</FONT> <a name="line.275"></a> |
| <FONT color="green">276</FONT> /**<a name="line.276"></a> |
| <FONT color="green">277</FONT> * Count forward one proximity position.<a name="line.277"></a> |
| <FONT color="green">278</FONT> *<a name="line.278"></a> |
| <FONT color="green">279</FONT> * @param i The index into the m_proximityPositions array, where the increment <a name="line.279"></a> |
| <FONT color="green">280</FONT> * will occur.<a name="line.280"></a> |
| <FONT color="green">281</FONT> */<a name="line.281"></a> |
| <FONT color="green">282</FONT> protected void countProximityPosition(int i)<a name="line.282"></a> |
| <FONT color="green">283</FONT> {<a name="line.283"></a> |
| <FONT color="green">284</FONT> // Note that in the case of a UnionChildIterator, this may be a <a name="line.284"></a> |
| <FONT color="green">285</FONT> // static object and so m_proximityPositions may indeed be null!<a name="line.285"></a> |
| <FONT color="green">286</FONT> int[] pp = m_proximityPositions;<a name="line.286"></a> |
| <FONT color="green">287</FONT> if ((null != pp) && (i < pp.length))<a name="line.287"></a> |
| <FONT color="green">288</FONT> pp[i]++;<a name="line.288"></a> |
| <FONT color="green">289</FONT> }<a name="line.289"></a> |
| <FONT color="green">290</FONT> <a name="line.290"></a> |
| <FONT color="green">291</FONT> /**<a name="line.291"></a> |
| <FONT color="green">292</FONT> * Tells if this is a reverse axes.<a name="line.292"></a> |
| <FONT color="green">293</FONT> *<a name="line.293"></a> |
| <FONT color="green">294</FONT> * @return false, unless a derived class overrides.<a name="line.294"></a> |
| <FONT color="green">295</FONT> */<a name="line.295"></a> |
| <FONT color="green">296</FONT> public boolean isReverseAxes()<a name="line.296"></a> |
| <FONT color="green">297</FONT> {<a name="line.297"></a> |
| <FONT color="green">298</FONT> return false;<a name="line.298"></a> |
| <FONT color="green">299</FONT> }<a name="line.299"></a> |
| <FONT color="green">300</FONT> <a name="line.300"></a> |
| <FONT color="green">301</FONT> /**<a name="line.301"></a> |
| <FONT color="green">302</FONT> * Get which predicate is executing.<a name="line.302"></a> |
| <FONT color="green">303</FONT> *<a name="line.303"></a> |
| <FONT color="green">304</FONT> * @return The current predicate index, or -1 if no predicate is executing.<a name="line.304"></a> |
| <FONT color="green">305</FONT> */<a name="line.305"></a> |
| <FONT color="green">306</FONT> public int getPredicateIndex()<a name="line.306"></a> |
| <FONT color="green">307</FONT> {<a name="line.307"></a> |
| <FONT color="green">308</FONT> return m_predicateIndex;<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> * Process the predicates.<a name="line.312"></a> |
| <FONT color="green">313</FONT> *<a name="line.313"></a> |
| <FONT color="green">314</FONT> * @param context The current context node.<a name="line.314"></a> |
| <FONT color="green">315</FONT> * @param xctxt The XPath runtime context.<a name="line.315"></a> |
| <FONT color="green">316</FONT> *<a name="line.316"></a> |
| <FONT color="green">317</FONT> * @return the result of executing the predicate expressions.<a name="line.317"></a> |
| <FONT color="green">318</FONT> *<a name="line.318"></a> |
| <FONT color="green">319</FONT> * @throws javax.xml.transform.TransformerException<a name="line.319"></a> |
| <FONT color="green">320</FONT> */<a name="line.320"></a> |
| <FONT color="green">321</FONT> boolean executePredicates(int context, XPathContext xctxt)<a name="line.321"></a> |
| <FONT color="green">322</FONT> throws javax.xml.transform.TransformerException<a name="line.322"></a> |
| <FONT color="green">323</FONT> {<a name="line.323"></a> |
| <FONT color="green">324</FONT> <a name="line.324"></a> |
| <FONT color="green">325</FONT> int nPredicates = getPredicateCount();<a name="line.325"></a> |
| <FONT color="green">326</FONT> // System.out.println("nPredicates: "+nPredicates);<a name="line.326"></a> |
| <FONT color="green">327</FONT> if (nPredicates == 0)<a name="line.327"></a> |
| <FONT color="green">328</FONT> return true;<a name="line.328"></a> |
| <FONT color="green">329</FONT> <a name="line.329"></a> |
| <FONT color="green">330</FONT> PrefixResolver savedResolver = xctxt.getNamespaceContext();<a name="line.330"></a> |
| <FONT color="green">331</FONT> <a name="line.331"></a> |
| <FONT color="green">332</FONT> try<a name="line.332"></a> |
| <FONT color="green">333</FONT> {<a name="line.333"></a> |
| <FONT color="green">334</FONT> m_predicateIndex = 0;<a name="line.334"></a> |
| <FONT color="green">335</FONT> xctxt.pushSubContextList(this);<a name="line.335"></a> |
| <FONT color="green">336</FONT> xctxt.pushNamespaceContext(m_lpi.getPrefixResolver());<a name="line.336"></a> |
| <FONT color="green">337</FONT> xctxt.pushCurrentNode(context);<a name="line.337"></a> |
| <FONT color="green">338</FONT> <a name="line.338"></a> |
| <FONT color="green">339</FONT> for (int i = 0; i < nPredicates; i++)<a name="line.339"></a> |
| <FONT color="green">340</FONT> {<a name="line.340"></a> |
| <FONT color="green">341</FONT> // System.out.println("Executing predicate expression - waiting count: "+m_lpi.getWaitingCount());<a name="line.341"></a> |
| <FONT color="green">342</FONT> XObject pred = m_predicates[i].execute(xctxt);<a name="line.342"></a> |
| <FONT color="green">343</FONT> // System.out.println("\nBack from executing predicate expression - waiting count: "+m_lpi.getWaitingCount());<a name="line.343"></a> |
| <FONT color="green">344</FONT> // System.out.println("pred.getType(): "+pred.getType());<a name="line.344"></a> |
| <FONT color="green">345</FONT> if (XObject.CLASS_NUMBER == pred.getType())<a name="line.345"></a> |
| <FONT color="green">346</FONT> {<a name="line.346"></a> |
| <FONT color="green">347</FONT> if (DEBUG_PREDICATECOUNTING)<a name="line.347"></a> |
| <FONT color="green">348</FONT> {<a name="line.348"></a> |
| <FONT color="green">349</FONT> System.out.flush();<a name="line.349"></a> |
| <FONT color="green">350</FONT> System.out.println("\n===== start predicate count ========");<a name="line.350"></a> |
| <FONT color="green">351</FONT> System.out.println("m_predicateIndex: " + m_predicateIndex);<a name="line.351"></a> |
| <FONT color="green">352</FONT> // System.out.println("getProximityPosition(m_predicateIndex): "<a name="line.352"></a> |
| <FONT color="green">353</FONT> // + getProximityPosition(m_predicateIndex));<a name="line.353"></a> |
| <FONT color="green">354</FONT> System.out.println("pred.num(): " + pred.num());<a name="line.354"></a> |
| <FONT color="green">355</FONT> }<a name="line.355"></a> |
| <FONT color="green">356</FONT> <a name="line.356"></a> |
| <FONT color="green">357</FONT> int proxPos = this.getProximityPosition(m_predicateIndex);<a name="line.357"></a> |
| <FONT color="green">358</FONT> int predIndex = (int) pred.num();<a name="line.358"></a> |
| <FONT color="green">359</FONT> if (proxPos != predIndex)<a name="line.359"></a> |
| <FONT color="green">360</FONT> {<a name="line.360"></a> |
| <FONT color="green">361</FONT> if (DEBUG_PREDICATECOUNTING)<a name="line.361"></a> |
| <FONT color="green">362</FONT> {<a name="line.362"></a> |
| <FONT color="green">363</FONT> System.out.println("\nnode context: "+nodeToString(context));<a name="line.363"></a> |
| <FONT color="green">364</FONT> System.out.println("index predicate is false: "+proxPos);<a name="line.364"></a> |
| <FONT color="green">365</FONT> System.out.println("\n===== end predicate count ========");<a name="line.365"></a> |
| <FONT color="green">366</FONT> }<a name="line.366"></a> |
| <FONT color="green">367</FONT> return false;<a name="line.367"></a> |
| <FONT color="green">368</FONT> }<a name="line.368"></a> |
| <FONT color="green">369</FONT> else if (DEBUG_PREDICATECOUNTING)<a name="line.369"></a> |
| <FONT color="green">370</FONT> {<a name="line.370"></a> |
| <FONT color="green">371</FONT> System.out.println("\nnode context: "+nodeToString(context));<a name="line.371"></a> |
| <FONT color="green">372</FONT> System.out.println("index predicate is true: "+proxPos);<a name="line.372"></a> |
| <FONT color="green">373</FONT> System.out.println("\n===== end predicate count ========");<a name="line.373"></a> |
| <FONT color="green">374</FONT> }<a name="line.374"></a> |
| <FONT color="green">375</FONT> <a name="line.375"></a> |
| <FONT color="green">376</FONT> // If there is a proximity index that will not change during the <a name="line.376"></a> |
| <FONT color="green">377</FONT> // course of itteration, then we know there can be no more true <a name="line.377"></a> |
| <FONT color="green">378</FONT> // occurances of this predicate, so flag that we're done after <a name="line.378"></a> |
| <FONT color="green">379</FONT> // this.<a name="line.379"></a> |
| <FONT color="green">380</FONT> //<a name="line.380"></a> |
| <FONT color="green">381</FONT> // bugzilla 14365<a name="line.381"></a> |
| <FONT color="green">382</FONT> // We can't set m_foundLast = true unless we're sure that -all-<a name="line.382"></a> |
| <FONT color="green">383</FONT> // remaining parameters are stable, or else last() fails. Fixed so<a name="line.383"></a> |
| <FONT color="green">384</FONT> // only sets m_foundLast if on the last predicate<a name="line.384"></a> |
| <FONT color="green">385</FONT> if(m_predicates[i].isStableNumber() && i == nPredicates - 1)<a name="line.385"></a> |
| <FONT color="green">386</FONT> {<a name="line.386"></a> |
| <FONT color="green">387</FONT> m_foundLast = true;<a name="line.387"></a> |
| <FONT color="green">388</FONT> }<a name="line.388"></a> |
| <FONT color="green">389</FONT> }<a name="line.389"></a> |
| <FONT color="green">390</FONT> else if (!pred.bool())<a name="line.390"></a> |
| <FONT color="green">391</FONT> return false;<a name="line.391"></a> |
| <FONT color="green">392</FONT> <a name="line.392"></a> |
| <FONT color="green">393</FONT> countProximityPosition(++m_predicateIndex);<a name="line.393"></a> |
| <FONT color="green">394</FONT> }<a name="line.394"></a> |
| <FONT color="green">395</FONT> }<a name="line.395"></a> |
| <FONT color="green">396</FONT> finally<a name="line.396"></a> |
| <FONT color="green">397</FONT> {<a name="line.397"></a> |
| <FONT color="green">398</FONT> xctxt.popCurrentNode();<a name="line.398"></a> |
| <FONT color="green">399</FONT> xctxt.popNamespaceContext();<a name="line.399"></a> |
| <FONT color="green">400</FONT> xctxt.popSubContextList();<a name="line.400"></a> |
| <FONT color="green">401</FONT> m_predicateIndex = -1;<a name="line.401"></a> |
| <FONT color="green">402</FONT> }<a name="line.402"></a> |
| <FONT color="green">403</FONT> <a name="line.403"></a> |
| <FONT color="green">404</FONT> return true;<a name="line.404"></a> |
| <FONT color="green">405</FONT> }<a name="line.405"></a> |
| <FONT color="green">406</FONT> <a name="line.406"></a> |
| <FONT color="green">407</FONT> /**<a name="line.407"></a> |
| <FONT color="green">408</FONT> * This function is used to fixup variables from QNames to stack frame <a name="line.408"></a> |
| <FONT color="green">409</FONT> * indexes at stylesheet build time.<a name="line.409"></a> |
| <FONT color="green">410</FONT> * @param vars List of QNames that correspond to variables. This list <a name="line.410"></a> |
| <FONT color="green">411</FONT> * should be searched backwards for the first qualified name that <a name="line.411"></a> |
| <FONT color="green">412</FONT> * corresponds to the variable reference qname. The position of the <a name="line.412"></a> |
| <FONT color="green">413</FONT> * QName in the vector from the start of the vector will be its position <a name="line.413"></a> |
| <FONT color="green">414</FONT> * in the stack frame (but variables above the globalsTop value will need <a name="line.414"></a> |
| <FONT color="green">415</FONT> * to be offset to the current stack frame).<a name="line.415"></a> |
| <FONT color="green">416</FONT> */<a name="line.416"></a> |
| <FONT color="green">417</FONT> public void fixupVariables(java.util.Vector vars, int globalsSize)<a name="line.417"></a> |
| <FONT color="green">418</FONT> {<a name="line.418"></a> |
| <FONT color="green">419</FONT> super.fixupVariables(vars, globalsSize);<a name="line.419"></a> |
| <FONT color="green">420</FONT> <a name="line.420"></a> |
| <FONT color="green">421</FONT> int nPredicates = getPredicateCount();<a name="line.421"></a> |
| <FONT color="green">422</FONT> <a name="line.422"></a> |
| <FONT color="green">423</FONT> for (int i = 0; i < nPredicates; i++)<a name="line.423"></a> |
| <FONT color="green">424</FONT> {<a name="line.424"></a> |
| <FONT color="green">425</FONT> m_predicates[i].fixupVariables(vars, globalsSize);<a name="line.425"></a> |
| <FONT color="green">426</FONT> }<a name="line.426"></a> |
| <FONT color="green">427</FONT> }<a name="line.427"></a> |
| <FONT color="green">428</FONT> <a name="line.428"></a> |
| <FONT color="green">429</FONT> <a name="line.429"></a> |
| <FONT color="green">430</FONT> /**<a name="line.430"></a> |
| <FONT color="green">431</FONT> * Diagnostics.<a name="line.431"></a> |
| <FONT color="green">432</FONT> *<a name="line.432"></a> |
| <FONT color="green">433</FONT> * @param n Node to give diagnostic information about, or null.<a name="line.433"></a> |
| <FONT color="green">434</FONT> *<a name="line.434"></a> |
| <FONT color="green">435</FONT> * @return Informative string about the argument.<a name="line.435"></a> |
| <FONT color="green">436</FONT> */<a name="line.436"></a> |
| <FONT color="green">437</FONT> protected String nodeToString(int n)<a name="line.437"></a> |
| <FONT color="green">438</FONT> {<a name="line.438"></a> |
| <FONT color="green">439</FONT> if(DTM.NULL != n)<a name="line.439"></a> |
| <FONT color="green">440</FONT> {<a name="line.440"></a> |
| <FONT color="green">441</FONT> DTM dtm = m_lpi.getXPathContext().getDTM(n);<a name="line.441"></a> |
| <FONT color="green">442</FONT> return dtm.getNodeName(n) + "{" + (n+1) + "}";<a name="line.442"></a> |
| <FONT color="green">443</FONT> }<a name="line.443"></a> |
| <FONT color="green">444</FONT> else<a name="line.444"></a> |
| <FONT color="green">445</FONT> {<a name="line.445"></a> |
| <FONT color="green">446</FONT> return "null";<a name="line.446"></a> |
| <FONT color="green">447</FONT> }<a name="line.447"></a> |
| <FONT color="green">448</FONT> }<a name="line.448"></a> |
| <FONT color="green">449</FONT> <a name="line.449"></a> |
| <FONT color="green">450</FONT> //=============== NodeFilter Implementation ===============<a name="line.450"></a> |
| <FONT color="green">451</FONT> <a name="line.451"></a> |
| <FONT color="green">452</FONT> /**<a name="line.452"></a> |
| <FONT color="green">453</FONT> * Test whether a specified node is visible in the logical view of a<a name="line.453"></a> |
| <FONT color="green">454</FONT> * TreeWalker or NodeIterator. This function will be called by the<a name="line.454"></a> |
| <FONT color="green">455</FONT> * implementation of TreeWalker and NodeIterator; it is not intended to<a name="line.455"></a> |
| <FONT color="green">456</FONT> * be called directly from user code.<a name="line.456"></a> |
| <FONT color="green">457</FONT> * @param n The node to check to see if it passes the filter or not.<a name="line.457"></a> |
| <FONT color="green">458</FONT> * @return a constant to determine whether the node is accepted,<a name="line.458"></a> |
| <FONT color="green">459</FONT> * rejected, or skipped, as defined above .<a name="line.459"></a> |
| <FONT color="green">460</FONT> */<a name="line.460"></a> |
| <FONT color="green">461</FONT> public short acceptNode(int n)<a name="line.461"></a> |
| <FONT color="green">462</FONT> {<a name="line.462"></a> |
| <FONT color="green">463</FONT> <a name="line.463"></a> |
| <FONT color="green">464</FONT> XPathContext xctxt = m_lpi.getXPathContext();<a name="line.464"></a> |
| <FONT color="green">465</FONT> <a name="line.465"></a> |
| <FONT color="green">466</FONT> try<a name="line.466"></a> |
| <FONT color="green">467</FONT> {<a name="line.467"></a> |
| <FONT color="green">468</FONT> xctxt.pushCurrentNode(n);<a name="line.468"></a> |
| <FONT color="green">469</FONT> <a name="line.469"></a> |
| <FONT color="green">470</FONT> XObject score = execute(xctxt, n);<a name="line.470"></a> |
| <FONT color="green">471</FONT> <a name="line.471"></a> |
| <FONT color="green">472</FONT> // System.out.println("\n::acceptNode - score: "+score.num()+"::");<a name="line.472"></a> |
| <FONT color="green">473</FONT> if (score != NodeTest.SCORE_NONE)<a name="line.473"></a> |
| <FONT color="green">474</FONT> {<a name="line.474"></a> |
| <FONT color="green">475</FONT> if (getPredicateCount() > 0)<a name="line.475"></a> |
| <FONT color="green">476</FONT> {<a name="line.476"></a> |
| <FONT color="green">477</FONT> countProximityPosition(0);<a name="line.477"></a> |
| <FONT color="green">478</FONT> <a name="line.478"></a> |
| <FONT color="green">479</FONT> if (!executePredicates(n, xctxt))<a name="line.479"></a> |
| <FONT color="green">480</FONT> return DTMIterator.FILTER_SKIP;<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> return DTMIterator.FILTER_ACCEPT;<a name="line.483"></a> |
| <FONT color="green">484</FONT> }<a name="line.484"></a> |
| <FONT color="green">485</FONT> }<a name="line.485"></a> |
| <FONT color="green">486</FONT> catch (javax.xml.transform.TransformerException se)<a name="line.486"></a> |
| <FONT color="green">487</FONT> {<a name="line.487"></a> |
| <FONT color="green">488</FONT> <a name="line.488"></a> |
| <FONT color="green">489</FONT> // TODO: Fix this.<a name="line.489"></a> |
| <FONT color="green">490</FONT> throw new RuntimeException(se.getMessage());<a name="line.490"></a> |
| <FONT color="green">491</FONT> }<a name="line.491"></a> |
| <FONT color="green">492</FONT> finally<a name="line.492"></a> |
| <FONT color="green">493</FONT> {<a name="line.493"></a> |
| <FONT color="green">494</FONT> xctxt.popCurrentNode();<a name="line.494"></a> |
| <FONT color="green">495</FONT> }<a name="line.495"></a> |
| <FONT color="green">496</FONT> <a name="line.496"></a> |
| <FONT color="green">497</FONT> return DTMIterator.FILTER_SKIP;<a name="line.497"></a> |
| <FONT color="green">498</FONT> }<a name="line.498"></a> |
| <FONT color="green">499</FONT> <a name="line.499"></a> |
| <FONT color="green">500</FONT> <a name="line.500"></a> |
| <FONT color="green">501</FONT> /**<a name="line.501"></a> |
| <FONT color="green">502</FONT> * Get the owning location path iterator.<a name="line.502"></a> |
| <FONT color="green">503</FONT> *<a name="line.503"></a> |
| <FONT color="green">504</FONT> * @return the owning location path iterator, which should not be null.<a name="line.504"></a> |
| <FONT color="green">505</FONT> */<a name="line.505"></a> |
| <FONT color="green">506</FONT> public LocPathIterator getLocPathIterator()<a name="line.506"></a> |
| <FONT color="green">507</FONT> {<a name="line.507"></a> |
| <FONT color="green">508</FONT> return m_lpi;<a name="line.508"></a> |
| <FONT color="green">509</FONT> }<a name="line.509"></a> |
| <FONT color="green">510</FONT> <a name="line.510"></a> |
| <FONT color="green">511</FONT> /**<a name="line.511"></a> |
| <FONT color="green">512</FONT> * Set the location path iterator owner for this walker. Besides <a name="line.512"></a> |
| <FONT color="green">513</FONT> * initialization, this function is called during cloning operations.<a name="line.513"></a> |
| <FONT color="green">514</FONT> *<a name="line.514"></a> |
| <FONT color="green">515</FONT> * @param li non-null reference to the owning location path iterator.<a name="line.515"></a> |
| <FONT color="green">516</FONT> */<a name="line.516"></a> |
| <FONT color="green">517</FONT> public void setLocPathIterator(LocPathIterator li)<a name="line.517"></a> |
| <FONT color="green">518</FONT> {<a name="line.518"></a> |
| <FONT color="green">519</FONT> m_lpi = li;<a name="line.519"></a> |
| <FONT color="green">520</FONT> if(this != li)<a name="line.520"></a> |
| <FONT color="green">521</FONT> li.exprSetParent(this);<a name="line.521"></a> |
| <FONT color="green">522</FONT> }<a name="line.522"></a> |
| <FONT color="green">523</FONT> <a name="line.523"></a> |
| <FONT color="green">524</FONT> /**<a name="line.524"></a> |
| <FONT color="green">525</FONT> * Tell if this expression or it's subexpressions can traverse outside <a name="line.525"></a> |
| <FONT color="green">526</FONT> * the current subtree.<a name="line.526"></a> |
| <FONT color="green">527</FONT> * <a name="line.527"></a> |
| <FONT color="green">528</FONT> * @return true if traversal outside the context node's subtree can occur.<a name="line.528"></a> |
| <FONT color="green">529</FONT> */<a name="line.529"></a> |
| <FONT color="green">530</FONT> public boolean canTraverseOutsideSubtree()<a name="line.530"></a> |
| <FONT color="green">531</FONT> {<a name="line.531"></a> |
| <FONT color="green">532</FONT> int n = getPredicateCount();<a name="line.532"></a> |
| <FONT color="green">533</FONT> for (int i = 0; i < n; i++) <a name="line.533"></a> |
| <FONT color="green">534</FONT> {<a name="line.534"></a> |
| <FONT color="green">535</FONT> if(getPredicate(i).canTraverseOutsideSubtree())<a name="line.535"></a> |
| <FONT color="green">536</FONT> return true;<a name="line.536"></a> |
| <FONT color="green">537</FONT> }<a name="line.537"></a> |
| <FONT color="green">538</FONT> return false;<a name="line.538"></a> |
| <FONT color="green">539</FONT> }<a name="line.539"></a> |
| <FONT color="green">540</FONT> <a name="line.540"></a> |
| <FONT color="green">541</FONT> /**<a name="line.541"></a> |
| <FONT color="green">542</FONT> * This will traverse the heararchy, calling the visitor for <a name="line.542"></a> |
| <FONT color="green">543</FONT> * each member. If the called visitor method returns <a name="line.543"></a> |
| <FONT color="green">544</FONT> * false, the subtree should not be called.<a name="line.544"></a> |
| <FONT color="green">545</FONT> * <a name="line.545"></a> |
| <FONT color="green">546</FONT> * @param visitor The visitor whose appropriate method will be called.<a name="line.546"></a> |
| <FONT color="green">547</FONT> */<a name="line.547"></a> |
| <FONT color="green">548</FONT> public void callPredicateVisitors(XPathVisitor visitor)<a name="line.548"></a> |
| <FONT color="green">549</FONT> {<a name="line.549"></a> |
| <FONT color="green">550</FONT> if (null != m_predicates)<a name="line.550"></a> |
| <FONT color="green">551</FONT> {<a name="line.551"></a> |
| <FONT color="green">552</FONT> int n = m_predicates.length;<a name="line.552"></a> |
| <FONT color="green">553</FONT> for (int i = 0; i < n; i++)<a name="line.553"></a> |
| <FONT color="green">554</FONT> {<a name="line.554"></a> |
| <FONT color="green">555</FONT> ExpressionOwner predOwner = new PredOwner(i);<a name="line.555"></a> |
| <FONT color="green">556</FONT> if (visitor.visitPredicate(predOwner, m_predicates[i]))<a name="line.556"></a> |
| <FONT color="green">557</FONT> {<a name="line.557"></a> |
| <FONT color="green">558</FONT> m_predicates[i].callVisitors(predOwner, visitor);<a name="line.558"></a> |
| <FONT color="green">559</FONT> }<a name="line.559"></a> |
| <FONT color="green">560</FONT> <a name="line.560"></a> |
| <FONT color="green">561</FONT> }<a name="line.561"></a> |
| <FONT color="green">562</FONT> }<a name="line.562"></a> |
| <FONT color="green">563</FONT> } <a name="line.563"></a> |
| <FONT color="green">564</FONT> <a name="line.564"></a> |
| <FONT color="green">565</FONT> /**<a name="line.565"></a> |
| <FONT color="green">566</FONT> * @see Expression#deepEquals(Expression)<a name="line.566"></a> |
| <FONT color="green">567</FONT> */<a name="line.567"></a> |
| <FONT color="green">568</FONT> public boolean deepEquals(Expression expr)<a name="line.568"></a> |
| <FONT color="green">569</FONT> {<a name="line.569"></a> |
| <FONT color="green">570</FONT> if (!super.deepEquals(expr))<a name="line.570"></a> |
| <FONT color="green">571</FONT> return false;<a name="line.571"></a> |
| <FONT color="green">572</FONT> <a name="line.572"></a> |
| <FONT color="green">573</FONT> PredicatedNodeTest pnt = (PredicatedNodeTest) expr;<a name="line.573"></a> |
| <FONT color="green">574</FONT> if (null != m_predicates)<a name="line.574"></a> |
| <FONT color="green">575</FONT> {<a name="line.575"></a> |
| <FONT color="green">576</FONT> <a name="line.576"></a> |
| <FONT color="green">577</FONT> int n = m_predicates.length;<a name="line.577"></a> |
| <FONT color="green">578</FONT> if ((null == pnt.m_predicates) || (pnt.m_predicates.length != n))<a name="line.578"></a> |
| <FONT color="green">579</FONT> return false;<a name="line.579"></a> |
| <FONT color="green">580</FONT> for (int i = 0; i < n; i++)<a name="line.580"></a> |
| <FONT color="green">581</FONT> {<a name="line.581"></a> |
| <FONT color="green">582</FONT> if (!m_predicates[i].deepEquals(pnt.m_predicates[i]))<a name="line.582"></a> |
| <FONT color="green">583</FONT> return false; <a name="line.583"></a> |
| <FONT color="green">584</FONT> }<a name="line.584"></a> |
| <FONT color="green">585</FONT> }<a name="line.585"></a> |
| <FONT color="green">586</FONT> else if (null != pnt.m_predicates)<a name="line.586"></a> |
| <FONT color="green">587</FONT> return false; <a name="line.587"></a> |
| <FONT color="green">588</FONT> <a name="line.588"></a> |
| <FONT color="green">589</FONT> return true; <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> /** This is true if nextNode returns null. */<a name="line.592"></a> |
| <FONT color="green">593</FONT> transient protected boolean m_foundLast = false;<a name="line.593"></a> |
| <FONT color="green">594</FONT> <a name="line.594"></a> |
| <FONT color="green">595</FONT> /** The owning location path iterator.<a name="line.595"></a> |
| <FONT color="green">596</FONT> * @serial */<a name="line.596"></a> |
| <FONT color="green">597</FONT> protected LocPathIterator m_lpi;<a name="line.597"></a> |
| <FONT color="green">598</FONT> <a name="line.598"></a> |
| <FONT color="green">599</FONT> /**<a name="line.599"></a> |
| <FONT color="green">600</FONT> * Which predicate we are executing.<a name="line.600"></a> |
| <FONT color="green">601</FONT> */<a name="line.601"></a> |
| <FONT color="green">602</FONT> transient int m_predicateIndex = -1;<a name="line.602"></a> |
| <FONT color="green">603</FONT> <a name="line.603"></a> |
| <FONT color="green">604</FONT> /** The list of predicate expressions. Is static and does not need <a name="line.604"></a> |
| <FONT color="green">605</FONT> * to be deep cloned.<a name="line.605"></a> |
| <FONT color="green">606</FONT> * @serial <a name="line.606"></a> |
| <FONT color="green">607</FONT> */<a name="line.607"></a> |
| <FONT color="green">608</FONT> private Expression[] m_predicates;<a name="line.608"></a> |
| <FONT color="green">609</FONT> <a name="line.609"></a> |
| <FONT color="green">610</FONT> /**<a name="line.610"></a> |
| <FONT color="green">611</FONT> * An array of counts that correspond to the number<a name="line.611"></a> |
| <FONT color="green">612</FONT> * of predicates the step contains.<a name="line.612"></a> |
| <FONT color="green">613</FONT> */<a name="line.613"></a> |
| <FONT color="green">614</FONT> transient protected int[] m_proximityPositions;<a name="line.614"></a> |
| <FONT color="green">615</FONT> <a name="line.615"></a> |
| <FONT color="green">616</FONT> /** If true, diagnostic messages about predicate execution will be posted. */<a name="line.616"></a> |
| <FONT color="green">617</FONT> static final boolean DEBUG_PREDICATECOUNTING = false;<a name="line.617"></a> |
| <FONT color="green">618</FONT> <a name="line.618"></a> |
| <FONT color="green">619</FONT> class PredOwner implements ExpressionOwner<a name="line.619"></a> |
| <FONT color="green">620</FONT> {<a name="line.620"></a> |
| <FONT color="green">621</FONT> int m_index;<a name="line.621"></a> |
| <FONT color="green">622</FONT> <a name="line.622"></a> |
| <FONT color="green">623</FONT> PredOwner(int index)<a name="line.623"></a> |
| <FONT color="green">624</FONT> {<a name="line.624"></a> |
| <FONT color="green">625</FONT> m_index = index;<a name="line.625"></a> |
| <FONT color="green">626</FONT> }<a name="line.626"></a> |
| <FONT color="green">627</FONT> <a name="line.627"></a> |
| <FONT color="green">628</FONT> /**<a name="line.628"></a> |
| <FONT color="green">629</FONT> * @see ExpressionOwner#getExpression()<a name="line.629"></a> |
| <FONT color="green">630</FONT> */<a name="line.630"></a> |
| <FONT color="green">631</FONT> public Expression getExpression()<a name="line.631"></a> |
| <FONT color="green">632</FONT> {<a name="line.632"></a> |
| <FONT color="green">633</FONT> return m_predicates[m_index];<a name="line.633"></a> |
| <FONT color="green">634</FONT> }<a name="line.634"></a> |
| <FONT color="green">635</FONT> <a name="line.635"></a> |
| <FONT color="green">636</FONT> <a name="line.636"></a> |
| <FONT color="green">637</FONT> /**<a name="line.637"></a> |
| <FONT color="green">638</FONT> * @see ExpressionOwner#setExpression(Expression)<a name="line.638"></a> |
| <FONT color="green">639</FONT> */<a name="line.639"></a> |
| <FONT color="green">640</FONT> public void setExpression(Expression exp)<a name="line.640"></a> |
| <FONT color="green">641</FONT> {<a name="line.641"></a> |
| <FONT color="green">642</FONT> exp.exprSetParent(PredicatedNodeTest.this);<a name="line.642"></a> |
| <FONT color="green">643</FONT> m_predicates[m_index] = exp;<a name="line.643"></a> |
| <FONT color="green">644</FONT> }<a name="line.644"></a> |
| <FONT color="green">645</FONT> }<a name="line.645"></a> |
| <FONT color="green">646</FONT> <a name="line.646"></a> |
| <FONT color="green">647</FONT> }<a name="line.647"></a> |
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