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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: XPathContext.java 524809 2007-04-02 15:51:51Z zongaro $<a name="line.19"></a> |
| <FONT color="green">020</FONT> */<a name="line.20"></a> |
| <FONT color="green">021</FONT> package org.apache.xpath;<a name="line.21"></a> |
| <FONT color="green">022</FONT> <a name="line.22"></a> |
| <FONT color="green">023</FONT> import java.lang.reflect.Method;<a name="line.23"></a> |
| <FONT color="green">024</FONT> import java.util.Stack;<a name="line.24"></a> |
| <FONT color="green">025</FONT> import java.util.Vector;<a name="line.25"></a> |
| <FONT color="green">026</FONT> import java.util.HashMap;<a name="line.26"></a> |
| <FONT color="green">027</FONT> import java.util.Iterator;<a name="line.27"></a> |
| <FONT color="green">028</FONT> <a name="line.28"></a> |
| <FONT color="green">029</FONT> import javax.xml.transform.ErrorListener;<a name="line.29"></a> |
| <FONT color="green">030</FONT> import javax.xml.transform.SourceLocator;<a name="line.30"></a> |
| <FONT color="green">031</FONT> import javax.xml.transform.TransformerException;<a name="line.31"></a> |
| <FONT color="green">032</FONT> import javax.xml.transform.URIResolver;<a name="line.32"></a> |
| <FONT color="green">033</FONT> <a name="line.33"></a> |
| <FONT color="green">034</FONT> import org.apache.xalan.extensions.ExpressionContext;<a name="line.34"></a> |
| <FONT color="green">035</FONT> import org.apache.xalan.res.XSLMessages;<a name="line.35"></a> |
| <FONT color="green">036</FONT> import org.apache.xml.dtm.Axis;<a name="line.36"></a> |
| <FONT color="green">037</FONT> import org.apache.xml.dtm.DTM;<a name="line.37"></a> |
| <FONT color="green">038</FONT> import org.apache.xml.dtm.DTMFilter;<a name="line.38"></a> |
| <FONT color="green">039</FONT> import org.apache.xml.dtm.DTMIterator;<a name="line.39"></a> |
| <FONT color="green">040</FONT> import org.apache.xml.dtm.DTMManager;<a name="line.40"></a> |
| <FONT color="green">041</FONT> import org.apache.xml.dtm.DTMWSFilter;<a name="line.41"></a> |
| <FONT color="green">042</FONT> import org.apache.xml.dtm.ref.sax2dtm.SAX2RTFDTM;<a name="line.42"></a> |
| <FONT color="green">043</FONT> import org.apache.xml.utils.IntStack;<a name="line.43"></a> |
| <FONT color="green">044</FONT> import org.apache.xml.utils.NodeVector;<a name="line.44"></a> |
| <FONT color="green">045</FONT> import org.apache.xml.utils.ObjectStack;<a name="line.45"></a> |
| <FONT color="green">046</FONT> import org.apache.xml.utils.PrefixResolver;<a name="line.46"></a> |
| <FONT color="green">047</FONT> import org.apache.xml.utils.SAXSourceLocator;<a name="line.47"></a> |
| <FONT color="green">048</FONT> import org.apache.xml.utils.XMLString;<a name="line.48"></a> |
| <FONT color="green">049</FONT> import org.apache.xpath.axes.SubContextList;<a name="line.49"></a> |
| <FONT color="green">050</FONT> import org.apache.xpath.objects.XObject;<a name="line.50"></a> |
| <FONT color="green">051</FONT> import org.apache.xpath.objects.DTMXRTreeFrag;<a name="line.51"></a> |
| <FONT color="green">052</FONT> import org.apache.xpath.objects.XString;<a name="line.52"></a> |
| <FONT color="green">053</FONT> import org.apache.xpath.res.XPATHErrorResources;<a name="line.53"></a> |
| <FONT color="green">054</FONT> <a name="line.54"></a> |
| <FONT color="green">055</FONT> import org.xml.sax.XMLReader;<a name="line.55"></a> |
| <FONT color="green">056</FONT> <a name="line.56"></a> |
| <FONT color="green">057</FONT> /**<a name="line.57"></a> |
| <FONT color="green">058</FONT> * Default class for the runtime execution context for XPath.<a name="line.58"></a> |
| <FONT color="green">059</FONT> * <a name="line.59"></a> |
| <FONT color="green">060</FONT> * <p>This class extends DTMManager but does not directly implement it.</p><a name="line.60"></a> |
| <FONT color="green">061</FONT> * @xsl.usage advanced<a name="line.61"></a> |
| <FONT color="green">062</FONT> */<a name="line.62"></a> |
| <FONT color="green">063</FONT> public class XPathContext extends DTMManager // implements ExpressionContext<a name="line.63"></a> |
| <FONT color="green">064</FONT> {<a name="line.64"></a> |
| <FONT color="green">065</FONT> IntStack m_last_pushed_rtfdtm=new IntStack(); <a name="line.65"></a> |
| <FONT color="green">066</FONT> /**<a name="line.66"></a> |
| <FONT color="green">067</FONT> * Stack of cached "reusable" DTMs for Result Tree Fragments.<a name="line.67"></a> |
| <FONT color="green">068</FONT> * This is a kluge to handle the problem of starting an RTF before<a name="line.68"></a> |
| <FONT color="green">069</FONT> * the old one is complete.<a name="line.69"></a> |
| <FONT color="green">070</FONT> * <a name="line.70"></a> |
| <FONT color="green">071</FONT> * %REVIEW% I'm using a Vector rather than Stack so we can reuse<a name="line.71"></a> |
| <FONT color="green">072</FONT> * the DTMs if the problem occurs multiple times. I'm not sure that's<a name="line.72"></a> |
| <FONT color="green">073</FONT> * really a net win versus discarding the DTM and starting a new one...<a name="line.73"></a> |
| <FONT color="green">074</FONT> * but the retained RTF DTM will have been tail-pruned so should be small.<a name="line.74"></a> |
| <FONT color="green">075</FONT> */<a name="line.75"></a> |
| <FONT color="green">076</FONT> private Vector m_rtfdtm_stack=null;<a name="line.76"></a> |
| <FONT color="green">077</FONT> /** Index of currently active RTF DTM in m_rtfdtm_stack */<a name="line.77"></a> |
| <FONT color="green">078</FONT> private int m_which_rtfdtm=-1;<a name="line.78"></a> |
| <FONT color="green">079</FONT> <a name="line.79"></a> |
| <FONT color="green">080</FONT> /**<a name="line.80"></a> |
| <FONT color="green">081</FONT> * Most recent "reusable" DTM for Global Result Tree Fragments. No stack is<a name="line.81"></a> |
| <FONT color="green">082</FONT> * required since we're never going to pop these.<a name="line.82"></a> |
| <FONT color="green">083</FONT> */<a name="line.83"></a> |
| <FONT color="green">084</FONT> private SAX2RTFDTM m_global_rtfdtm=null;<a name="line.84"></a> |
| <FONT color="green">085</FONT> <a name="line.85"></a> |
| <FONT color="green">086</FONT> /**<a name="line.86"></a> |
| <FONT color="green">087</FONT> * HashMap of cached the DTMXRTreeFrag objects, which are identified by DTM IDs.<a name="line.87"></a> |
| <FONT color="green">088</FONT> * The object are just wrappers for DTMs which are used in XRTreeFrag.<a name="line.88"></a> |
| <FONT color="green">089</FONT> */<a name="line.89"></a> |
| <FONT color="green">090</FONT> private HashMap m_DTMXRTreeFrags = null;<a name="line.90"></a> |
| <FONT color="green">091</FONT> <a name="line.91"></a> |
| <FONT color="green">092</FONT> /**<a name="line.92"></a> |
| <FONT color="green">093</FONT> * state of the secure processing feature.<a name="line.93"></a> |
| <FONT color="green">094</FONT> */<a name="line.94"></a> |
| <FONT color="green">095</FONT> private boolean m_isSecureProcessing = false;<a name="line.95"></a> |
| <FONT color="green">096</FONT> <a name="line.96"></a> |
| <FONT color="green">097</FONT> /**<a name="line.97"></a> |
| <FONT color="green">098</FONT> * Though XPathContext context extends <a name="line.98"></a> |
| <FONT color="green">099</FONT> * the DTMManager, it really is a proxy for this object, which <a name="line.99"></a> |
| <FONT color="green">100</FONT> * is the real DTMManager.<a name="line.100"></a> |
| <FONT color="green">101</FONT> */<a name="line.101"></a> |
| <FONT color="green">102</FONT> protected DTMManager m_dtmManager = DTMManager.newInstance(<a name="line.102"></a> |
| <FONT color="green">103</FONT> org.apache.xpath.objects.XMLStringFactoryImpl.getFactory());<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> * Return the DTMManager object. Though XPathContext context extends <a name="line.106"></a> |
| <FONT color="green">107</FONT> * the DTMManager, it really is a proxy for the real DTMManager. If a <a name="line.107"></a> |
| <FONT color="green">108</FONT> * caller needs to make a lot of calls to the DTMManager, it is faster <a name="line.108"></a> |
| <FONT color="green">109</FONT> * if it gets the real one from this function.<a name="line.109"></a> |
| <FONT color="green">110</FONT> */<a name="line.110"></a> |
| <FONT color="green">111</FONT> public DTMManager getDTMManager()<a name="line.111"></a> |
| <FONT color="green">112</FONT> {<a name="line.112"></a> |
| <FONT color="green">113</FONT> return m_dtmManager;<a name="line.113"></a> |
| <FONT color="green">114</FONT> }<a name="line.114"></a> |
| <FONT color="green">115</FONT> <a name="line.115"></a> |
| <FONT color="green">116</FONT> /**<a name="line.116"></a> |
| <FONT color="green">117</FONT> * Set the state of the secure processing feature<a name="line.117"></a> |
| <FONT color="green">118</FONT> */<a name="line.118"></a> |
| <FONT color="green">119</FONT> public void setSecureProcessing(boolean flag)<a name="line.119"></a> |
| <FONT color="green">120</FONT> {<a name="line.120"></a> |
| <FONT color="green">121</FONT> m_isSecureProcessing = flag;<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> * Return the state of the secure processing feature<a name="line.125"></a> |
| <FONT color="green">126</FONT> */<a name="line.126"></a> |
| <FONT color="green">127</FONT> public boolean isSecureProcessing()<a name="line.127"></a> |
| <FONT color="green">128</FONT> {<a name="line.128"></a> |
| <FONT color="green">129</FONT> return m_isSecureProcessing;<a name="line.129"></a> |
| <FONT color="green">130</FONT> }<a name="line.130"></a> |
| <FONT color="green">131</FONT> <a name="line.131"></a> |
| <FONT color="green">132</FONT> /**<a name="line.132"></a> |
| <FONT color="green">133</FONT> * Get an instance of a DTM, loaded with the content from the<a name="line.133"></a> |
| <FONT color="green">134</FONT> * specified source. If the unique flag is true, a new instance will<a name="line.134"></a> |
| <FONT color="green">135</FONT> * always be returned. Otherwise it is up to the DTMManager to return a<a name="line.135"></a> |
| <FONT color="green">136</FONT> * new instance or an instance that it already created and may be being used<a name="line.136"></a> |
| <FONT color="green">137</FONT> * by someone else.<a name="line.137"></a> |
| <FONT color="green">138</FONT> * (I think more parameters will need to be added for error handling, and entity<a name="line.138"></a> |
| <FONT color="green">139</FONT> * resolution).<a name="line.139"></a> |
| <FONT color="green">140</FONT> *<a name="line.140"></a> |
| <FONT color="green">141</FONT> * @param source the specification of the source object, which may be null, <a name="line.141"></a> |
| <FONT color="green">142</FONT> * in which case it is assumed that node construction will take <a name="line.142"></a> |
| <FONT color="green">143</FONT> * by some other means.<a name="line.143"></a> |
| <FONT color="green">144</FONT> * @param unique true if the returned DTM must be unique, probably because it<a name="line.144"></a> |
| <FONT color="green">145</FONT> * is going to be mutated.<a name="line.145"></a> |
| <FONT color="green">146</FONT> * @param wsfilter Enables filtering of whitespace nodes, and may be null.<a name="line.146"></a> |
| <FONT color="green">147</FONT> * @param incremental true if the construction should try and be incremental.<a name="line.147"></a> |
| <FONT color="green">148</FONT> * @param doIndexing true if the caller considers it worth it to use <a name="line.148"></a> |
| <FONT color="green">149</FONT> * indexing schemes.<a name="line.149"></a> |
| <FONT color="green">150</FONT> *<a name="line.150"></a> |
| <FONT color="green">151</FONT> * @return a non-null DTM reference.<a name="line.151"></a> |
| <FONT color="green">152</FONT> */<a name="line.152"></a> |
| <FONT color="green">153</FONT> public DTM getDTM(javax.xml.transform.Source source, boolean unique, <a name="line.153"></a> |
| <FONT color="green">154</FONT> DTMWSFilter wsfilter,<a name="line.154"></a> |
| <FONT color="green">155</FONT> boolean incremental,<a name="line.155"></a> |
| <FONT color="green">156</FONT> boolean doIndexing)<a name="line.156"></a> |
| <FONT color="green">157</FONT> {<a name="line.157"></a> |
| <FONT color="green">158</FONT> return m_dtmManager.getDTM(source, unique, wsfilter, <a name="line.158"></a> |
| <FONT color="green">159</FONT> incremental, doIndexing);<a name="line.159"></a> |
| <FONT color="green">160</FONT> }<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> * Get an instance of a DTM that "owns" a node handle. <a name="line.163"></a> |
| <FONT color="green">164</FONT> *<a name="line.164"></a> |
| <FONT color="green">165</FONT> * @param nodeHandle the nodeHandle.<a name="line.165"></a> |
| <FONT color="green">166</FONT> *<a name="line.166"></a> |
| <FONT color="green">167</FONT> * @return a non-null DTM reference.<a name="line.167"></a> |
| <FONT color="green">168</FONT> */<a name="line.168"></a> |
| <FONT color="green">169</FONT> public DTM getDTM(int nodeHandle)<a name="line.169"></a> |
| <FONT color="green">170</FONT> {<a name="line.170"></a> |
| <FONT color="green">171</FONT> return m_dtmManager.getDTM(nodeHandle);<a name="line.171"></a> |
| <FONT color="green">172</FONT> }<a name="line.172"></a> |
| <FONT color="green">173</FONT> <a name="line.173"></a> |
| <FONT color="green">174</FONT> /**<a name="line.174"></a> |
| <FONT color="green">175</FONT> * Given a W3C DOM node, try and return a DTM handle.<a name="line.175"></a> |
| <FONT color="green">176</FONT> * Note: calling this may be non-optimal.<a name="line.176"></a> |
| <FONT color="green">177</FONT> * <a name="line.177"></a> |
| <FONT color="green">178</FONT> * @param node Non-null reference to a DOM node.<a name="line.178"></a> |
| <FONT color="green">179</FONT> * <a name="line.179"></a> |
| <FONT color="green">180</FONT> * @return a valid DTM handle.<a name="line.180"></a> |
| <FONT color="green">181</FONT> */<a name="line.181"></a> |
| <FONT color="green">182</FONT> public int getDTMHandleFromNode(org.w3c.dom.Node node)<a name="line.182"></a> |
| <FONT color="green">183</FONT> {<a name="line.183"></a> |
| <FONT color="green">184</FONT> return m_dtmManager.getDTMHandleFromNode(node);<a name="line.184"></a> |
| <FONT color="green">185</FONT> }<a name="line.185"></a> |
| <FONT color="green">186</FONT> //<a name="line.186"></a> |
| <FONT color="green">187</FONT> // <a name="line.187"></a> |
| <FONT color="green">188</FONT> /**<a name="line.188"></a> |
| <FONT color="green">189</FONT> * %TBD% Doc<a name="line.189"></a> |
| <FONT color="green">190</FONT> */<a name="line.190"></a> |
| <FONT color="green">191</FONT> public int getDTMIdentity(DTM dtm)<a name="line.191"></a> |
| <FONT color="green">192</FONT> {<a name="line.192"></a> |
| <FONT color="green">193</FONT> return m_dtmManager.getDTMIdentity(dtm);<a name="line.193"></a> |
| <FONT color="green">194</FONT> }<a name="line.194"></a> |
| <FONT color="green">195</FONT> // <a name="line.195"></a> |
| <FONT color="green">196</FONT> /**<a name="line.196"></a> |
| <FONT color="green">197</FONT> * Creates an empty <code>DocumentFragment</code> object. <a name="line.197"></a> |
| <FONT color="green">198</FONT> * @return A new <code>DocumentFragment handle</code>.<a name="line.198"></a> |
| <FONT color="green">199</FONT> */<a name="line.199"></a> |
| <FONT color="green">200</FONT> public DTM createDocumentFragment()<a name="line.200"></a> |
| <FONT color="green">201</FONT> {<a name="line.201"></a> |
| <FONT color="green">202</FONT> return m_dtmManager.createDocumentFragment();<a name="line.202"></a> |
| <FONT color="green">203</FONT> }<a name="line.203"></a> |
| <FONT color="green">204</FONT> // <a name="line.204"></a> |
| <FONT color="green">205</FONT> /**<a name="line.205"></a> |
| <FONT color="green">206</FONT> * Release a DTM either to a lru pool, or completely remove reference.<a name="line.206"></a> |
| <FONT color="green">207</FONT> * DTMs without system IDs are always hard deleted.<a name="line.207"></a> |
| <FONT color="green">208</FONT> * State: experimental.<a name="line.208"></a> |
| <FONT color="green">209</FONT> * <a name="line.209"></a> |
| <FONT color="green">210</FONT> * @param dtm The DTM to be released.<a name="line.210"></a> |
| <FONT color="green">211</FONT> * @param shouldHardDelete True if the DTM should be removed no matter what.<a name="line.211"></a> |
| <FONT color="green">212</FONT> * @return true if the DTM was removed, false if it was put back in a lru pool.<a name="line.212"></a> |
| <FONT color="green">213</FONT> */<a name="line.213"></a> |
| <FONT color="green">214</FONT> public boolean release(DTM dtm, boolean shouldHardDelete)<a name="line.214"></a> |
| <FONT color="green">215</FONT> {<a name="line.215"></a> |
| <FONT color="green">216</FONT> // %REVIEW% If it's a DTM which may contain multiple Result Tree<a name="line.216"></a> |
| <FONT color="green">217</FONT> // Fragments, we can't discard it unless we know not only that it<a name="line.217"></a> |
| <FONT color="green">218</FONT> // is empty, but that the XPathContext itself is going away. So do<a name="line.218"></a> |
| <FONT color="green">219</FONT> // _not_ accept the request. (May want to do it as part of<a name="line.219"></a> |
| <FONT color="green">220</FONT> // reset(), though.)<a name="line.220"></a> |
| <FONT color="green">221</FONT> if(m_rtfdtm_stack!=null && m_rtfdtm_stack.contains(dtm))<a name="line.221"></a> |
| <FONT color="green">222</FONT> {<a name="line.222"></a> |
| <FONT color="green">223</FONT> return false;<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> return m_dtmManager.release(dtm, shouldHardDelete);<a name="line.226"></a> |
| <FONT color="green">227</FONT> }<a name="line.227"></a> |
| <FONT color="green">228</FONT> <a name="line.228"></a> |
| <FONT color="green">229</FONT> /**<a name="line.229"></a> |
| <FONT color="green">230</FONT> * Create a new <code>DTMIterator</code> based on an XPath<a name="line.230"></a> |
| <FONT color="green">231</FONT> * <a href="http://www.w3.org/TR/xpath#NT-LocationPath>LocationPath</a> or<a name="line.231"></a> |
| <FONT color="green">232</FONT> * a <a href="http://www.w3.org/TR/xpath#NT-UnionExpr">UnionExpr</a>.<a name="line.232"></a> |
| <FONT color="green">233</FONT> *<a name="line.233"></a> |
| <FONT color="green">234</FONT> * @param xpathCompiler ??? Somehow we need to pass in a subpart of the<a name="line.234"></a> |
| <FONT color="green">235</FONT> * expression. I hate to do this with strings, since the larger expression<a name="line.235"></a> |
| <FONT color="green">236</FONT> * has already been parsed.<a name="line.236"></a> |
| <FONT color="green">237</FONT> *<a name="line.237"></a> |
| <FONT color="green">238</FONT> * @param pos The position in the expression.<a name="line.238"></a> |
| <FONT color="green">239</FONT> * @return The newly created <code>DTMIterator</code>.<a name="line.239"></a> |
| <FONT color="green">240</FONT> */<a name="line.240"></a> |
| <FONT color="green">241</FONT> public DTMIterator createDTMIterator(Object xpathCompiler, int pos)<a name="line.241"></a> |
| <FONT color="green">242</FONT> {<a name="line.242"></a> |
| <FONT color="green">243</FONT> return m_dtmManager.createDTMIterator(xpathCompiler, pos);<a name="line.243"></a> |
| <FONT color="green">244</FONT> }<a name="line.244"></a> |
| <FONT color="green">245</FONT> //<a name="line.245"></a> |
| <FONT color="green">246</FONT> /**<a name="line.246"></a> |
| <FONT color="green">247</FONT> * Create a new <code>DTMIterator</code> based on an XPath<a name="line.247"></a> |
| <FONT color="green">248</FONT> * <a href="http://www.w3.org/TR/xpath#NT-LocationPath>LocationPath</a> or<a name="line.248"></a> |
| <FONT color="green">249</FONT> * a <a href="http://www.w3.org/TR/xpath#NT-UnionExpr">UnionExpr</a>.<a name="line.249"></a> |
| <FONT color="green">250</FONT> *<a name="line.250"></a> |
| <FONT color="green">251</FONT> * @param xpathString Must be a valid string expressing a<a name="line.251"></a> |
| <FONT color="green">252</FONT> * <a href="http://www.w3.org/TR/xpath#NT-LocationPath>LocationPath</a> or<a name="line.252"></a> |
| <FONT color="green">253</FONT> * a <a href="http://www.w3.org/TR/xpath#NT-UnionExpr">UnionExpr</a>.<a name="line.253"></a> |
| <FONT color="green">254</FONT> *<a name="line.254"></a> |
| <FONT color="green">255</FONT> * @param presolver An object that can resolve prefixes to namespace URLs.<a name="line.255"></a> |
| <FONT color="green">256</FONT> *<a name="line.256"></a> |
| <FONT color="green">257</FONT> * @return The newly created <code>DTMIterator</code>.<a name="line.257"></a> |
| <FONT color="green">258</FONT> */<a name="line.258"></a> |
| <FONT color="green">259</FONT> public DTMIterator createDTMIterator(String xpathString,<a name="line.259"></a> |
| <FONT color="green">260</FONT> PrefixResolver presolver)<a name="line.260"></a> |
| <FONT color="green">261</FONT> {<a name="line.261"></a> |
| <FONT color="green">262</FONT> return m_dtmManager.createDTMIterator(xpathString, presolver);<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> /**<a name="line.265"></a> |
| <FONT color="green">266</FONT> * Create a new <code>DTMIterator</code> based only on a whatToShow and<a name="line.266"></a> |
| <FONT color="green">267</FONT> * a DTMFilter. The traversal semantics are defined as the descendant<a name="line.267"></a> |
| <FONT color="green">268</FONT> * access.<a name="line.268"></a> |
| <FONT color="green">269</FONT> *<a name="line.269"></a> |
| <FONT color="green">270</FONT> * @param whatToShow This flag specifies which node types may appear in<a name="line.270"></a> |
| <FONT color="green">271</FONT> * the logical view of the tree presented by the iterator. See the<a name="line.271"></a> |
| <FONT color="green">272</FONT> * description of <code>NodeFilter</code> for the set of possible<a name="line.272"></a> |
| <FONT color="green">273</FONT> * <code>SHOW_</code> values.These flags can be combined using<a name="line.273"></a> |
| <FONT color="green">274</FONT> * <code>OR</code>.<a name="line.274"></a> |
| <FONT color="green">275</FONT> * @param filter The <code>NodeFilter</code> to be used with this<a name="line.275"></a> |
| <FONT color="green">276</FONT> * <code>TreeWalker</code>, or <code>null</code> to indicate no filter.<a name="line.276"></a> |
| <FONT color="green">277</FONT> * @param entityReferenceExpansion The value of this flag determines<a name="line.277"></a> |
| <FONT color="green">278</FONT> * whether entity reference nodes are expanded.<a name="line.278"></a> |
| <FONT color="green">279</FONT> *<a name="line.279"></a> |
| <FONT color="green">280</FONT> * @return The newly created <code>NodeIterator</code>.<a name="line.280"></a> |
| <FONT color="green">281</FONT> */<a name="line.281"></a> |
| <FONT color="green">282</FONT> public DTMIterator createDTMIterator(int whatToShow,<a name="line.282"></a> |
| <FONT color="green">283</FONT> DTMFilter filter, boolean entityReferenceExpansion)<a name="line.283"></a> |
| <FONT color="green">284</FONT> {<a name="line.284"></a> |
| <FONT color="green">285</FONT> return m_dtmManager.createDTMIterator(whatToShow, filter, entityReferenceExpansion);<a name="line.285"></a> |
| <FONT color="green">286</FONT> }<a name="line.286"></a> |
| <FONT color="green">287</FONT> <a name="line.287"></a> |
| <FONT color="green">288</FONT> /**<a name="line.288"></a> |
| <FONT color="green">289</FONT> * Create a new <code>DTMIterator</code> that holds exactly one node.<a name="line.289"></a> |
| <FONT color="green">290</FONT> *<a name="line.290"></a> |
| <FONT color="green">291</FONT> * @param node The node handle that the DTMIterator will iterate to.<a name="line.291"></a> |
| <FONT color="green">292</FONT> *<a name="line.292"></a> |
| <FONT color="green">293</FONT> * @return The newly created <code>DTMIterator</code>.<a name="line.293"></a> |
| <FONT color="green">294</FONT> */<a name="line.294"></a> |
| <FONT color="green">295</FONT> public DTMIterator createDTMIterator(int node)<a name="line.295"></a> |
| <FONT color="green">296</FONT> {<a name="line.296"></a> |
| <FONT color="green">297</FONT> // DescendantIterator iter = new DescendantIterator();<a name="line.297"></a> |
| <FONT color="green">298</FONT> DTMIterator iter = new org.apache.xpath.axes.OneStepIteratorForward(Axis.SELF);<a name="line.298"></a> |
| <FONT color="green">299</FONT> iter.setRoot(node, this);<a name="line.299"></a> |
| <FONT color="green">300</FONT> return iter;<a name="line.300"></a> |
| <FONT color="green">301</FONT> // return m_dtmManager.createDTMIterator(node);<a name="line.301"></a> |
| <FONT color="green">302</FONT> }<a name="line.302"></a> |
| <FONT color="green">303</FONT> <a name="line.303"></a> |
| <FONT color="green">304</FONT> /**<a name="line.304"></a> |
| <FONT color="green">305</FONT> * Create an XPathContext instance. This is equivalent to calling<a name="line.305"></a> |
| <FONT color="green">306</FONT> * the {@link #XPathContext(boolean)} constructor with the value<a name="line.306"></a> |
| <FONT color="green">307</FONT> * <code>true</code>.<a name="line.307"></a> |
| <FONT color="green">308</FONT> */<a name="line.308"></a> |
| <FONT color="green">309</FONT> public XPathContext() {<a name="line.309"></a> |
| <FONT color="green">310</FONT> this(true);<a name="line.310"></a> |
| <FONT color="green">311</FONT> }<a name="line.311"></a> |
| <FONT color="green">312</FONT> <a name="line.312"></a> |
| <FONT color="green">313</FONT> /**<a name="line.313"></a> |
| <FONT color="green">314</FONT> * Create an XPathContext instance.<a name="line.314"></a> |
| <FONT color="green">315</FONT> * @param recursiveVarContext A <code>boolean</code> value indicating whether<a name="line.315"></a> |
| <FONT color="green">316</FONT> * the XPath context needs to support pushing of scopes for<a name="line.316"></a> |
| <FONT color="green">317</FONT> * variable resolution<a name="line.317"></a> |
| <FONT color="green">318</FONT> */<a name="line.318"></a> |
| <FONT color="green">319</FONT> public XPathContext(boolean recursiveVarContext) {<a name="line.319"></a> |
| <FONT color="green">320</FONT> m_prefixResolvers.push(null);<a name="line.320"></a> |
| <FONT color="green">321</FONT> m_currentNodes.push(DTM.NULL);<a name="line.321"></a> |
| <FONT color="green">322</FONT> m_currentExpressionNodes.push(DTM.NULL);<a name="line.322"></a> |
| <FONT color="green">323</FONT> m_saxLocations.push(null);<a name="line.323"></a> |
| <FONT color="green">324</FONT> m_variableStacks = recursiveVarContext ? new VariableStack()<a name="line.324"></a> |
| <FONT color="green">325</FONT> : new VariableStack(1);<a name="line.325"></a> |
| <FONT color="green">326</FONT> }<a name="line.326"></a> |
| <FONT color="green">327</FONT> <a name="line.327"></a> |
| <FONT color="green">328</FONT> /**<a name="line.328"></a> |
| <FONT color="green">329</FONT> * Create an XPathContext instance. This is equivalent to calling the<a name="line.329"></a> |
| <FONT color="green">330</FONT> * constructor {@link #XPathContext(java.lang.Object,boolean)} with the<a name="line.330"></a> |
| <FONT color="green">331</FONT> * value of the second parameter set to <code>true</code>.<a name="line.331"></a> |
| <FONT color="green">332</FONT> * @param owner Value that can be retrieved via the getOwnerObject() method.<a name="line.332"></a> |
| <FONT color="green">333</FONT> * @see #getOwnerObject<a name="line.333"></a> |
| <FONT color="green">334</FONT> */<a name="line.334"></a> |
| <FONT color="green">335</FONT> public XPathContext(Object owner)<a name="line.335"></a> |
| <FONT color="green">336</FONT> {<a name="line.336"></a> |
| <FONT color="green">337</FONT> this(owner, true);<a name="line.337"></a> |
| <FONT color="green">338</FONT> }<a name="line.338"></a> |
| <FONT color="green">339</FONT> <a name="line.339"></a> |
| <FONT color="green">340</FONT> /**<a name="line.340"></a> |
| <FONT color="green">341</FONT> * Create an XPathContext instance.<a name="line.341"></a> |
| <FONT color="green">342</FONT> * @param owner Value that can be retrieved via the getOwnerObject() method.<a name="line.342"></a> |
| <FONT color="green">343</FONT> * @see #getOwnerObject<a name="line.343"></a> |
| <FONT color="green">344</FONT> * @param recursiveVarContext A <code>boolean</code> value indicating whether<a name="line.344"></a> |
| <FONT color="green">345</FONT> * the XPath context needs to support pushing of scopes for<a name="line.345"></a> |
| <FONT color="green">346</FONT> * variable resolution<a name="line.346"></a> |
| <FONT color="green">347</FONT> */<a name="line.347"></a> |
| <FONT color="green">348</FONT> public XPathContext(Object owner, boolean recursiveVarContext) {<a name="line.348"></a> |
| <FONT color="green">349</FONT> this(recursiveVarContext);<a name="line.349"></a> |
| <FONT color="green">350</FONT> m_owner = owner;<a name="line.350"></a> |
| <FONT color="green">351</FONT> try {<a name="line.351"></a> |
| <FONT color="green">352</FONT> m_ownerGetErrorListener = m_owner.getClass().getMethod("getErrorListener", new Class[] {});<a name="line.352"></a> |
| <FONT color="green">353</FONT> }<a name="line.353"></a> |
| <FONT color="green">354</FONT> catch (NoSuchMethodException nsme) {}<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> /**<a name="line.357"></a> |
| <FONT color="green">358</FONT> * Reset for new run.<a name="line.358"></a> |
| <FONT color="green">359</FONT> */<a name="line.359"></a> |
| <FONT color="green">360</FONT> public void reset()<a name="line.360"></a> |
| <FONT color="green">361</FONT> {<a name="line.361"></a> |
| <FONT color="green">362</FONT> releaseDTMXRTreeFrags();<a name="line.362"></a> |
| <FONT color="green">363</FONT> // These couldn't be disposed of earlier (see comments in release()); zap them now.<a name="line.363"></a> |
| <FONT color="green">364</FONT> if(m_rtfdtm_stack!=null)<a name="line.364"></a> |
| <FONT color="green">365</FONT> for (java.util.Enumeration e = m_rtfdtm_stack.elements() ; e.hasMoreElements() ;) <a name="line.365"></a> |
| <FONT color="green">366</FONT> m_dtmManager.release((DTM)e.nextElement(), true);<a name="line.366"></a> |
| <FONT color="green">367</FONT> <a name="line.367"></a> |
| <FONT color="green">368</FONT> m_rtfdtm_stack=null; // drop our references too<a name="line.368"></a> |
| <FONT color="green">369</FONT> m_which_rtfdtm=-1;<a name="line.369"></a> |
| <FONT color="green">370</FONT> <a name="line.370"></a> |
| <FONT color="green">371</FONT> if(m_global_rtfdtm!=null)<a name="line.371"></a> |
| <FONT color="green">372</FONT> m_dtmManager.release(m_global_rtfdtm,true);<a name="line.372"></a> |
| <FONT color="green">373</FONT> m_global_rtfdtm=null;<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> m_dtmManager = DTMManager.newInstance(<a name="line.376"></a> |
| <FONT color="green">377</FONT> org.apache.xpath.objects.XMLStringFactoryImpl.getFactory());<a name="line.377"></a> |
| <FONT color="green">378</FONT> <a name="line.378"></a> |
| <FONT color="green">379</FONT> m_saxLocations.removeAllElements(); <a name="line.379"></a> |
| <FONT color="green">380</FONT> m_axesIteratorStack.removeAllElements();<a name="line.380"></a> |
| <FONT color="green">381</FONT> m_contextNodeLists.removeAllElements();<a name="line.381"></a> |
| <FONT color="green">382</FONT> m_currentExpressionNodes.removeAllElements();<a name="line.382"></a> |
| <FONT color="green">383</FONT> m_currentNodes.removeAllElements();<a name="line.383"></a> |
| <FONT color="green">384</FONT> m_iteratorRoots.RemoveAllNoClear();<a name="line.384"></a> |
| <FONT color="green">385</FONT> m_predicatePos.removeAllElements();<a name="line.385"></a> |
| <FONT color="green">386</FONT> m_predicateRoots.RemoveAllNoClear();<a name="line.386"></a> |
| <FONT color="green">387</FONT> m_prefixResolvers.removeAllElements();<a name="line.387"></a> |
| <FONT color="green">388</FONT> <a name="line.388"></a> |
| <FONT color="green">389</FONT> m_prefixResolvers.push(null);<a name="line.389"></a> |
| <FONT color="green">390</FONT> m_currentNodes.push(DTM.NULL);<a name="line.390"></a> |
| <FONT color="green">391</FONT> m_currentExpressionNodes.push(DTM.NULL);<a name="line.391"></a> |
| <FONT color="green">392</FONT> m_saxLocations.push(null);<a name="line.392"></a> |
| <FONT color="green">393</FONT> }<a name="line.393"></a> |
| <FONT color="green">394</FONT> <a name="line.394"></a> |
| <FONT color="green">395</FONT> /** The current stylesheet locator. */<a name="line.395"></a> |
| <FONT color="green">396</FONT> ObjectStack m_saxLocations = new ObjectStack(RECURSIONLIMIT);<a name="line.396"></a> |
| <FONT color="green">397</FONT> <a name="line.397"></a> |
| <FONT color="green">398</FONT> /**<a name="line.398"></a> |
| <FONT color="green">399</FONT> * Set the current locater in the stylesheet.<a name="line.399"></a> |
| <FONT color="green">400</FONT> *<a name="line.400"></a> |
| <FONT color="green">401</FONT> * @param location The location within the stylesheet.<a name="line.401"></a> |
| <FONT color="green">402</FONT> */<a name="line.402"></a> |
| <FONT color="green">403</FONT> public void setSAXLocator(SourceLocator location)<a name="line.403"></a> |
| <FONT color="green">404</FONT> {<a name="line.404"></a> |
| <FONT color="green">405</FONT> m_saxLocations.setTop(location);<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> /**<a name="line.408"></a> |
| <FONT color="green">409</FONT> * Set the current locater in the stylesheet.<a name="line.409"></a> |
| <FONT color="green">410</FONT> *<a name="line.410"></a> |
| <FONT color="green">411</FONT> * @param location The location within the stylesheet.<a name="line.411"></a> |
| <FONT color="green">412</FONT> */<a name="line.412"></a> |
| <FONT color="green">413</FONT> public void pushSAXLocator(SourceLocator location)<a name="line.413"></a> |
| <FONT color="green">414</FONT> {<a name="line.414"></a> |
| <FONT color="green">415</FONT> m_saxLocations.push(location);<a name="line.415"></a> |
| <FONT color="green">416</FONT> }<a name="line.416"></a> |
| <FONT color="green">417</FONT> <a name="line.417"></a> |
| <FONT color="green">418</FONT> /**<a name="line.418"></a> |
| <FONT color="green">419</FONT> * Push a slot on the locations stack so that setSAXLocator can be <a name="line.419"></a> |
| <FONT color="green">420</FONT> * repeatedly called.<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> public void pushSAXLocatorNull()<a name="line.423"></a> |
| <FONT color="green">424</FONT> {<a name="line.424"></a> |
| <FONT color="green">425</FONT> m_saxLocations.push(null);<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> * Pop the current locater.<a name="line.430"></a> |
| <FONT color="green">431</FONT> */<a name="line.431"></a> |
| <FONT color="green">432</FONT> public void popSAXLocator()<a name="line.432"></a> |
| <FONT color="green">433</FONT> {<a name="line.433"></a> |
| <FONT color="green">434</FONT> m_saxLocations.pop();<a name="line.434"></a> |
| <FONT color="green">435</FONT> }<a name="line.435"></a> |
| <FONT color="green">436</FONT> <a name="line.436"></a> |
| <FONT color="green">437</FONT> /**<a name="line.437"></a> |
| <FONT color="green">438</FONT> * Get the current locater in the stylesheet.<a name="line.438"></a> |
| <FONT color="green">439</FONT> *<a name="line.439"></a> |
| <FONT color="green">440</FONT> * @return The location within the stylesheet, or null if not known.<a name="line.440"></a> |
| <FONT color="green">441</FONT> */<a name="line.441"></a> |
| <FONT color="green">442</FONT> public SourceLocator getSAXLocator()<a name="line.442"></a> |
| <FONT color="green">443</FONT> {<a name="line.443"></a> |
| <FONT color="green">444</FONT> return (SourceLocator) m_saxLocations.peek();<a name="line.444"></a> |
| <FONT color="green">445</FONT> }<a name="line.445"></a> |
| <FONT color="green">446</FONT> <a name="line.446"></a> |
| <FONT color="green">447</FONT> /** The owner context of this XPathContext. In the case of XSLT, this will be a<a name="line.447"></a> |
| <FONT color="green">448</FONT> * Transformer object.<a name="line.448"></a> |
| <FONT color="green">449</FONT> */<a name="line.449"></a> |
| <FONT color="green">450</FONT> private Object m_owner;<a name="line.450"></a> |
| <FONT color="green">451</FONT> <a name="line.451"></a> |
| <FONT color="green">452</FONT> /** The owner context of this XPathContext. In the case of XSLT, this will be a<a name="line.452"></a> |
| <FONT color="green">453</FONT> * Transformer object.<a name="line.453"></a> |
| <FONT color="green">454</FONT> */<a name="line.454"></a> |
| <FONT color="green">455</FONT> private Method m_ownerGetErrorListener;<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> * Get the "owner" context of this context, which should be,<a name="line.458"></a> |
| <FONT color="green">459</FONT> * in the case of XSLT, the Transformer object. This is needed<a name="line.459"></a> |
| <FONT color="green">460</FONT> * so that XSLT functions can get the Transformer.<a name="line.460"></a> |
| <FONT color="green">461</FONT> * @return The owner object passed into the constructor, or null.<a name="line.461"></a> |
| <FONT color="green">462</FONT> */<a name="line.462"></a> |
| <FONT color="green">463</FONT> public Object getOwnerObject()<a name="line.463"></a> |
| <FONT color="green">464</FONT> {<a name="line.464"></a> |
| <FONT color="green">465</FONT> return m_owner;<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> // ================ VarStack ===================<a name="line.468"></a> |
| <FONT color="green">469</FONT> <a name="line.469"></a> |
| <FONT color="green">470</FONT> /**<a name="line.470"></a> |
| <FONT color="green">471</FONT> * The stack of Variable stacks. A VariableStack will be<a name="line.471"></a> |
| <FONT color="green">472</FONT> * pushed onto this stack for each template invocation.<a name="line.472"></a> |
| <FONT color="green">473</FONT> */<a name="line.473"></a> |
| <FONT color="green">474</FONT> private VariableStack m_variableStacks;<a name="line.474"></a> |
| <FONT color="green">475</FONT> <a name="line.475"></a> |
| <FONT color="green">476</FONT> /**<a name="line.476"></a> |
| <FONT color="green">477</FONT> * Get the variable stack, which is in charge of variables and<a name="line.477"></a> |
| <FONT color="green">478</FONT> * parameters.<a name="line.478"></a> |
| <FONT color="green">479</FONT> *<a name="line.479"></a> |
| <FONT color="green">480</FONT> * @return the variable stack, which should not be null.<a name="line.480"></a> |
| <FONT color="green">481</FONT> */<a name="line.481"></a> |
| <FONT color="green">482</FONT> public final VariableStack getVarStack()<a name="line.482"></a> |
| <FONT color="green">483</FONT> {<a name="line.483"></a> |
| <FONT color="green">484</FONT> return m_variableStacks;<a name="line.484"></a> |
| <FONT color="green">485</FONT> }<a name="line.485"></a> |
| <FONT color="green">486</FONT> <a name="line.486"></a> |
| <FONT color="green">487</FONT> /** <a name="line.487"></a> |
| <FONT color="green">488</FONT> * Get the variable stack, which is in charge of variables and<a name="line.488"></a> |
| <FONT color="green">489</FONT> * parameters.<a name="line.489"></a> |
| <FONT color="green">490</FONT> *<a name="line.490"></a> |
| <FONT color="green">491</FONT> * @param varStack non-null reference to the variable stack.<a name="line.491"></a> |
| <FONT color="green">492</FONT> */<a name="line.492"></a> |
| <FONT color="green">493</FONT> public final void setVarStack(VariableStack varStack)<a name="line.493"></a> |
| <FONT color="green">494</FONT> {<a name="line.494"></a> |
| <FONT color="green">495</FONT> m_variableStacks = varStack;<a name="line.495"></a> |
| <FONT color="green">496</FONT> }<a name="line.496"></a> |
| <FONT color="green">497</FONT> <a name="line.497"></a> |
| <FONT color="green">498</FONT> // ================ SourceTreeManager ===================<a name="line.498"></a> |
| <FONT color="green">499</FONT> <a name="line.499"></a> |
| <FONT color="green">500</FONT> /** The source tree manager, which associates Source objects to source <a name="line.500"></a> |
| <FONT color="green">501</FONT> * tree nodes. */<a name="line.501"></a> |
| <FONT color="green">502</FONT> private SourceTreeManager m_sourceTreeManager = new SourceTreeManager();<a name="line.502"></a> |
| <FONT color="green">503</FONT> <a name="line.503"></a> |
| <FONT color="green">504</FONT> /**<a name="line.504"></a> |
| <FONT color="green">505</FONT> * Get the SourceTreeManager associated with this execution context.<a name="line.505"></a> |
| <FONT color="green">506</FONT> *<a name="line.506"></a> |
| <FONT color="green">507</FONT> * @return the SourceTreeManager associated with this execution context.<a name="line.507"></a> |
| <FONT color="green">508</FONT> */<a name="line.508"></a> |
| <FONT color="green">509</FONT> public final SourceTreeManager getSourceTreeManager()<a name="line.509"></a> |
| <FONT color="green">510</FONT> {<a name="line.510"></a> |
| <FONT color="green">511</FONT> return m_sourceTreeManager;<a name="line.511"></a> |
| <FONT color="green">512</FONT> }<a name="line.512"></a> |
| <FONT color="green">513</FONT> <a name="line.513"></a> |
| <FONT color="green">514</FONT> /**<a name="line.514"></a> |
| <FONT color="green">515</FONT> * Set the SourceTreeManager associated with this execution context.<a name="line.515"></a> |
| <FONT color="green">516</FONT> *<a name="line.516"></a> |
| <FONT color="green">517</FONT> * @param mgr the SourceTreeManager to be associated with this <a name="line.517"></a> |
| <FONT color="green">518</FONT> * execution context.<a name="line.518"></a> |
| <FONT color="green">519</FONT> */<a name="line.519"></a> |
| <FONT color="green">520</FONT> public void setSourceTreeManager(SourceTreeManager mgr)<a name="line.520"></a> |
| <FONT color="green">521</FONT> {<a name="line.521"></a> |
| <FONT color="green">522</FONT> m_sourceTreeManager = mgr;<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> // =================================================<a name="line.525"></a> |
| <FONT color="green">526</FONT> <a name="line.526"></a> |
| <FONT color="green">527</FONT> /** The ErrorListener where errors and warnings are to be reported. */<a name="line.527"></a> |
| <FONT color="green">528</FONT> private ErrorListener m_errorListener;<a name="line.528"></a> |
| <FONT color="green">529</FONT> <a name="line.529"></a> |
| <FONT color="green">530</FONT> /** A default ErrorListener in case our m_errorListener was not specified and our<a name="line.530"></a> |
| <FONT color="green">531</FONT> * owner either does not have an ErrorListener or has a null one.<a name="line.531"></a> |
| <FONT color="green">532</FONT> */<a name="line.532"></a> |
| <FONT color="green">533</FONT> private ErrorListener m_defaultErrorListener;<a name="line.533"></a> |
| <FONT color="green">534</FONT> <a name="line.534"></a> |
| <FONT color="green">535</FONT> /**<a name="line.535"></a> |
| <FONT color="green">536</FONT> * Get the ErrorListener where errors and warnings are to be reported.<a name="line.536"></a> |
| <FONT color="green">537</FONT> *<a name="line.537"></a> |
| <FONT color="green">538</FONT> * @return A non-null ErrorListener reference.<a name="line.538"></a> |
| <FONT color="green">539</FONT> */<a name="line.539"></a> |
| <FONT color="green">540</FONT> public final ErrorListener getErrorListener()<a name="line.540"></a> |
| <FONT color="green">541</FONT> {<a name="line.541"></a> |
| <FONT color="green">542</FONT> <a name="line.542"></a> |
| <FONT color="green">543</FONT> if (null != m_errorListener)<a name="line.543"></a> |
| <FONT color="green">544</FONT> return m_errorListener;<a name="line.544"></a> |
| <FONT color="green">545</FONT> <a name="line.545"></a> |
| <FONT color="green">546</FONT> ErrorListener retval = null;<a name="line.546"></a> |
| <FONT color="green">547</FONT> <a name="line.547"></a> |
| <FONT color="green">548</FONT> try {<a name="line.548"></a> |
| <FONT color="green">549</FONT> if (null != m_ownerGetErrorListener)<a name="line.549"></a> |
| <FONT color="green">550</FONT> retval = (ErrorListener) m_ownerGetErrorListener.invoke(m_owner, new Object[] {});<a name="line.550"></a> |
| <FONT color="green">551</FONT> }<a name="line.551"></a> |
| <FONT color="green">552</FONT> catch (Exception e) {}<a name="line.552"></a> |
| <FONT color="green">553</FONT> <a name="line.553"></a> |
| <FONT color="green">554</FONT> if (null == retval)<a name="line.554"></a> |
| <FONT color="green">555</FONT> {<a name="line.555"></a> |
| <FONT color="green">556</FONT> if (null == m_defaultErrorListener) <a name="line.556"></a> |
| <FONT color="green">557</FONT> m_defaultErrorListener = new org.apache.xml.utils.DefaultErrorHandler();<a name="line.557"></a> |
| <FONT color="green">558</FONT> retval = m_defaultErrorListener;<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> return retval;<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> * Set the ErrorListener where errors and warnings are to be reported.<a name="line.565"></a> |
| <FONT color="green">566</FONT> *<a name="line.566"></a> |
| <FONT color="green">567</FONT> * @param listener A non-null ErrorListener reference.<a name="line.567"></a> |
| <FONT color="green">568</FONT> */<a name="line.568"></a> |
| <FONT color="green">569</FONT> public void setErrorListener(ErrorListener listener) throws IllegalArgumentException<a name="line.569"></a> |
| <FONT color="green">570</FONT> {<a name="line.570"></a> |
| <FONT color="green">571</FONT> if (listener == null) <a name="line.571"></a> |
| <FONT color="green">572</FONT> throw new IllegalArgumentException(XSLMessages.createXPATHMessage(XPATHErrorResources.ER_NULL_ERROR_HANDLER, null)); //"Null error handler");<a name="line.572"></a> |
| <FONT color="green">573</FONT> m_errorListener = listener;<a name="line.573"></a> |
| <FONT color="green">574</FONT> }<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> // =================================================<a name="line.577"></a> |
| <FONT color="green">578</FONT> <a name="line.578"></a> |
| <FONT color="green">579</FONT> /** The TrAX URI Resolver for resolving URIs from the document(...)<a name="line.579"></a> |
| <FONT color="green">580</FONT> * function to source tree nodes. */<a name="line.580"></a> |
| <FONT color="green">581</FONT> private URIResolver m_uriResolver;<a name="line.581"></a> |
| <FONT color="green">582</FONT> <a name="line.582"></a> |
| <FONT color="green">583</FONT> /**<a name="line.583"></a> |
| <FONT color="green">584</FONT> * Get the URIResolver associated with this execution context.<a name="line.584"></a> |
| <FONT color="green">585</FONT> *<a name="line.585"></a> |
| <FONT color="green">586</FONT> * @return a URI resolver, which may be null.<a name="line.586"></a> |
| <FONT color="green">587</FONT> */<a name="line.587"></a> |
| <FONT color="green">588</FONT> public final URIResolver getURIResolver()<a name="line.588"></a> |
| <FONT color="green">589</FONT> {<a name="line.589"></a> |
| <FONT color="green">590</FONT> return m_uriResolver;<a name="line.590"></a> |
| <FONT color="green">591</FONT> }<a name="line.591"></a> |
| <FONT color="green">592</FONT> <a name="line.592"></a> |
| <FONT color="green">593</FONT> /**<a name="line.593"></a> |
| <FONT color="green">594</FONT> * Set the URIResolver associated with this execution context.<a name="line.594"></a> |
| <FONT color="green">595</FONT> *<a name="line.595"></a> |
| <FONT color="green">596</FONT> * @param resolver the URIResolver to be associated with this <a name="line.596"></a> |
| <FONT color="green">597</FONT> * execution context, may be null to clear an already set resolver.<a name="line.597"></a> |
| <FONT color="green">598</FONT> */<a name="line.598"></a> |
| <FONT color="green">599</FONT> public void setURIResolver(URIResolver resolver)<a name="line.599"></a> |
| <FONT color="green">600</FONT> {<a name="line.600"></a> |
| <FONT color="green">601</FONT> m_uriResolver = resolver;<a name="line.601"></a> |
| <FONT color="green">602</FONT> }<a name="line.602"></a> |
| <FONT color="green">603</FONT> <a name="line.603"></a> |
| <FONT color="green">604</FONT> // =================================================<a name="line.604"></a> |
| <FONT color="green">605</FONT> <a name="line.605"></a> |
| <FONT color="green">606</FONT> /** The reader of the primary source tree. */<a name="line.606"></a> |
| <FONT color="green">607</FONT> public XMLReader m_primaryReader;<a name="line.607"></a> |
| <FONT color="green">608</FONT> <a name="line.608"></a> |
| <FONT color="green">609</FONT> /**<a name="line.609"></a> |
| <FONT color="green">610</FONT> * Get primary XMLReader associated with this execution context.<a name="line.610"></a> |
| <FONT color="green">611</FONT> *<a name="line.611"></a> |
| <FONT color="green">612</FONT> * @return The reader of the primary source tree.<a name="line.612"></a> |
| <FONT color="green">613</FONT> */<a name="line.613"></a> |
| <FONT color="green">614</FONT> public final XMLReader getPrimaryReader()<a name="line.614"></a> |
| <FONT color="green">615</FONT> {<a name="line.615"></a> |
| <FONT color="green">616</FONT> return m_primaryReader;<a name="line.616"></a> |
| <FONT color="green">617</FONT> }<a name="line.617"></a> |
| <FONT color="green">618</FONT> <a name="line.618"></a> |
| <FONT color="green">619</FONT> /**<a name="line.619"></a> |
| <FONT color="green">620</FONT> * Set primary XMLReader associated with this execution context.<a name="line.620"></a> |
| <FONT color="green">621</FONT> *<a name="line.621"></a> |
| <FONT color="green">622</FONT> * @param reader The reader of the primary source tree.<a name="line.622"></a> |
| <FONT color="green">623</FONT> */<a name="line.623"></a> |
| <FONT color="green">624</FONT> public void setPrimaryReader(XMLReader reader)<a name="line.624"></a> |
| <FONT color="green">625</FONT> {<a name="line.625"></a> |
| <FONT color="green">626</FONT> m_primaryReader = reader;<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> // =================================================<a name="line.629"></a> |
| <FONT color="green">630</FONT> <a name="line.630"></a> |
| <FONT color="green">631</FONT> <a name="line.631"></a> |
| <FONT color="green">632</FONT> /** Misnamed string manager for XPath messages. */<a name="line.632"></a> |
| <FONT color="green">633</FONT> // private static XSLMessages m_XSLMessages = new XSLMessages();<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> * Tell the user of an assertion error, and probably throw an<a name="line.636"></a> |
| <FONT color="green">637</FONT> * exception.<a name="line.637"></a> |
| <FONT color="green">638</FONT> *<a name="line.638"></a> |
| <FONT color="green">639</FONT> * @param b If false, a TransformerException will be thrown.<a name="line.639"></a> |
| <FONT color="green">640</FONT> * @param msg The assertion message, which should be informative.<a name="line.640"></a> |
| <FONT color="green">641</FONT> * <a name="line.641"></a> |
| <FONT color="green">642</FONT> * @throws javax.xml.transform.TransformerException if b is false.<a name="line.642"></a> |
| <FONT color="green">643</FONT> */<a name="line.643"></a> |
| <FONT color="green">644</FONT> private void assertion(boolean b, String msg) throws javax.xml.transform.TransformerException<a name="line.644"></a> |
| <FONT color="green">645</FONT> {<a name="line.645"></a> |
| <FONT color="green">646</FONT> if (!b) <a name="line.646"></a> |
| <FONT color="green">647</FONT> {<a name="line.647"></a> |
| <FONT color="green">648</FONT> ErrorListener errorHandler = getErrorListener();<a name="line.648"></a> |
| <FONT color="green">649</FONT> <a name="line.649"></a> |
| <FONT color="green">650</FONT> if (errorHandler != null)<a name="line.650"></a> |
| <FONT color="green">651</FONT> {<a name="line.651"></a> |
| <FONT color="green">652</FONT> errorHandler.fatalError(<a name="line.652"></a> |
| <FONT color="green">653</FONT> new TransformerException(<a name="line.653"></a> |
| <FONT color="green">654</FONT> XSLMessages.createMessage(<a name="line.654"></a> |
| <FONT color="green">655</FONT> XPATHErrorResources.ER_INCORRECT_PROGRAMMER_ASSERTION,<a name="line.655"></a> |
| <FONT color="green">656</FONT> new Object[]{ msg }), (SAXSourceLocator)this.getSAXLocator()));<a name="line.656"></a> |
| <FONT color="green">657</FONT> }<a name="line.657"></a> |
| <FONT color="green">658</FONT> }<a name="line.658"></a> |
| <FONT color="green">659</FONT> }<a name="line.659"></a> |
| <FONT color="green">660</FONT> <a name="line.660"></a> |
| <FONT color="green">661</FONT> //==========================================================<a name="line.661"></a> |
| <FONT color="green">662</FONT> // SECTION: Execution context state tracking<a name="line.662"></a> |
| <FONT color="green">663</FONT> //==========================================================<a name="line.663"></a> |
| <FONT color="green">664</FONT> <a name="line.664"></a> |
| <FONT color="green">665</FONT> /**<a name="line.665"></a> |
| <FONT color="green">666</FONT> * The current context node list.<a name="line.666"></a> |
| <FONT color="green">667</FONT> */<a name="line.667"></a> |
| <FONT color="green">668</FONT> private Stack m_contextNodeLists = new Stack();<a name="line.668"></a> |
| <FONT color="green">669</FONT> <a name="line.669"></a> |
| <FONT color="green">670</FONT> public Stack getContextNodeListsStack() { return m_contextNodeLists; }<a name="line.670"></a> |
| <FONT color="green">671</FONT> public void setContextNodeListsStack(Stack s) { m_contextNodeLists = s; }<a name="line.671"></a> |
| <FONT color="green">672</FONT> <a name="line.672"></a> |
| <FONT color="green">673</FONT> /**<a name="line.673"></a> |
| <FONT color="green">674</FONT> * Get the current context node list.<a name="line.674"></a> |
| <FONT color="green">675</FONT> *<a name="line.675"></a> |
| <FONT color="green">676</FONT> * @return the <a href="http://www.w3.org/TR/xslt#dt-current-node-list">current node list</a>,<a name="line.676"></a> |
| <FONT color="green">677</FONT> * also refered to here as a <term>context node list</term>.<a name="line.677"></a> |
| <FONT color="green">678</FONT> */<a name="line.678"></a> |
| <FONT color="green">679</FONT> public final DTMIterator getContextNodeList()<a name="line.679"></a> |
| <FONT color="green">680</FONT> {<a name="line.680"></a> |
| <FONT color="green">681</FONT> <a name="line.681"></a> |
| <FONT color="green">682</FONT> if (m_contextNodeLists.size() > 0)<a name="line.682"></a> |
| <FONT color="green">683</FONT> return (DTMIterator) m_contextNodeLists.peek();<a name="line.683"></a> |
| <FONT color="green">684</FONT> else<a name="line.684"></a> |
| <FONT color="green">685</FONT> return null;<a name="line.685"></a> |
| <FONT color="green">686</FONT> }<a name="line.686"></a> |
| <FONT color="green">687</FONT> <a name="line.687"></a> |
| <FONT color="green">688</FONT> /**<a name="line.688"></a> |
| <FONT color="green">689</FONT> * Set the current context node list.<a name="line.689"></a> |
| <FONT color="green">690</FONT> *<a name="line.690"></a> |
| <FONT color="green">691</FONT> * @param nl the <a href="http://www.w3.org/TR/xslt#dt-current-node-list">current node list</a>,<a name="line.691"></a> |
| <FONT color="green">692</FONT> * also refered to here as a <term>context node list</term>.<a name="line.692"></a> |
| <FONT color="green">693</FONT> * @xsl.usage internal<a name="line.693"></a> |
| <FONT color="green">694</FONT> */<a name="line.694"></a> |
| <FONT color="green">695</FONT> public final void pushContextNodeList(DTMIterator nl)<a name="line.695"></a> |
| <FONT color="green">696</FONT> {<a name="line.696"></a> |
| <FONT color="green">697</FONT> m_contextNodeLists.push(nl);<a name="line.697"></a> |
| <FONT color="green">698</FONT> }<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> * Pop the current context node list.<a name="line.701"></a> |
| <FONT color="green">702</FONT> * @xsl.usage internal<a name="line.702"></a> |
| <FONT color="green">703</FONT> */<a name="line.703"></a> |
| <FONT color="green">704</FONT> public final void popContextNodeList()<a name="line.704"></a> |
| <FONT color="green">705</FONT> {<a name="line.705"></a> |
| <FONT color="green">706</FONT> if(m_contextNodeLists.isEmpty())<a name="line.706"></a> |
| <FONT color="green">707</FONT> System.err.println("Warning: popContextNodeList when stack is empty!");<a name="line.707"></a> |
| <FONT color="green">708</FONT> else<a name="line.708"></a> |
| <FONT color="green">709</FONT> m_contextNodeLists.pop();<a name="line.709"></a> |
| <FONT color="green">710</FONT> }<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> * The ammount to use for stacks that record information during the <a name="line.713"></a> |
| <FONT color="green">714</FONT> * recursive execution.<a name="line.714"></a> |
| <FONT color="green">715</FONT> */<a name="line.715"></a> |
| <FONT color="green">716</FONT> public static final int RECURSIONLIMIT = (1024*4);<a name="line.716"></a> |
| <FONT color="green">717</FONT> <a name="line.717"></a> |
| <FONT color="green">718</FONT> /** The stack of <a href="http://www.w3.org/TR/xslt#dt-current-node">current node</a> objects.<a name="line.718"></a> |
| <FONT color="green">719</FONT> * Not to be confused with the current node list. %REVIEW% Note that there <a name="line.719"></a> |
| <FONT color="green">720</FONT> * are no bounds check and resize for this stack, so if it is blown, it's all <a name="line.720"></a> |
| <FONT color="green">721</FONT> * over. */<a name="line.721"></a> |
| <FONT color="green">722</FONT> private IntStack m_currentNodes = new IntStack(RECURSIONLIMIT);<a name="line.722"></a> |
| <FONT color="green">723</FONT> <a name="line.723"></a> |
| <FONT color="green">724</FONT> // private NodeVector m_currentNodes = new NodeVector();<a name="line.724"></a> |
| <FONT color="green">725</FONT> <a name="line.725"></a> |
| <FONT color="green">726</FONT> public IntStack getCurrentNodeStack() {return m_currentNodes; }<a name="line.726"></a> |
| <FONT color="green">727</FONT> public void setCurrentNodeStack(IntStack nv) { m_currentNodes = nv; }<a name="line.727"></a> |
| <FONT color="green">728</FONT> <a name="line.728"></a> |
| <FONT color="green">729</FONT> /**<a name="line.729"></a> |
| <FONT color="green">730</FONT> * Get the current context node.<a name="line.730"></a> |
| <FONT color="green">731</FONT> *<a name="line.731"></a> |
| <FONT color="green">732</FONT> * @return the <a href="http://www.w3.org/TR/xslt#dt-current-node">current node</a>.<a name="line.732"></a> |
| <FONT color="green">733</FONT> */<a name="line.733"></a> |
| <FONT color="green">734</FONT> public final int getCurrentNode()<a name="line.734"></a> |
| <FONT color="green">735</FONT> {<a name="line.735"></a> |
| <FONT color="green">736</FONT> return m_currentNodes.peek();<a name="line.736"></a> |
| <FONT color="green">737</FONT> }<a name="line.737"></a> |
| <FONT color="green">738</FONT> <a name="line.738"></a> |
| <FONT color="green">739</FONT> /**<a name="line.739"></a> |
| <FONT color="green">740</FONT> * Set the current context node and expression node.<a name="line.740"></a> |
| <FONT color="green">741</FONT> *<a name="line.741"></a> |
| <FONT color="green">742</FONT> * @param cn the <a href="http://www.w3.org/TR/xslt#dt-current-node">current node</a>.<a name="line.742"></a> |
| <FONT color="green">743</FONT> * @param en the sub-expression context node.<a name="line.743"></a> |
| <FONT color="green">744</FONT> */<a name="line.744"></a> |
| <FONT color="green">745</FONT> public final void pushCurrentNodeAndExpression(int cn, int en)<a name="line.745"></a> |
| <FONT color="green">746</FONT> {<a name="line.746"></a> |
| <FONT color="green">747</FONT> m_currentNodes.push(cn);<a name="line.747"></a> |
| <FONT color="green">748</FONT> m_currentExpressionNodes.push(cn);<a name="line.748"></a> |
| <FONT color="green">749</FONT> }<a name="line.749"></a> |
| <FONT color="green">750</FONT> <a name="line.750"></a> |
| <FONT color="green">751</FONT> /**<a name="line.751"></a> |
| <FONT color="green">752</FONT> * Set the current context node.<a name="line.752"></a> |
| <FONT color="green">753</FONT> */<a name="line.753"></a> |
| <FONT color="green">754</FONT> public final void popCurrentNodeAndExpression()<a name="line.754"></a> |
| <FONT color="green">755</FONT> {<a name="line.755"></a> |
| <FONT color="green">756</FONT> m_currentNodes.quickPop(1);<a name="line.756"></a> |
| <FONT color="green">757</FONT> m_currentExpressionNodes.quickPop(1);<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> * Push the current context node, expression node, and prefix resolver.<a name="line.761"></a> |
| <FONT color="green">762</FONT> *<a name="line.762"></a> |
| <FONT color="green">763</FONT> * @param cn the <a href="http://www.w3.org/TR/xslt#dt-current-node">current node</a>.<a name="line.763"></a> |
| <FONT color="green">764</FONT> * @param en the sub-expression context node.<a name="line.764"></a> |
| <FONT color="green">765</FONT> * @param nc the namespace context (prefix resolver.<a name="line.765"></a> |
| <FONT color="green">766</FONT> */<a name="line.766"></a> |
| <FONT color="green">767</FONT> public final void pushExpressionState(int cn, int en, PrefixResolver nc)<a name="line.767"></a> |
| <FONT color="green">768</FONT> {<a name="line.768"></a> |
| <FONT color="green">769</FONT> m_currentNodes.push(cn);<a name="line.769"></a> |
| <FONT color="green">770</FONT> m_currentExpressionNodes.push(cn);<a name="line.770"></a> |
| <FONT color="green">771</FONT> m_prefixResolvers.push(nc);<a name="line.771"></a> |
| <FONT color="green">772</FONT> }<a name="line.772"></a> |
| <FONT color="green">773</FONT> <a name="line.773"></a> |
| <FONT color="green">774</FONT> /**<a name="line.774"></a> |
| <FONT color="green">775</FONT> * Pop the current context node, expression node, and prefix resolver.<a name="line.775"></a> |
| <FONT color="green">776</FONT> */<a name="line.776"></a> |
| <FONT color="green">777</FONT> public final void popExpressionState()<a name="line.777"></a> |
| <FONT color="green">778</FONT> {<a name="line.778"></a> |
| <FONT color="green">779</FONT> m_currentNodes.quickPop(1);<a name="line.779"></a> |
| <FONT color="green">780</FONT> m_currentExpressionNodes.quickPop(1);<a name="line.780"></a> |
| <FONT color="green">781</FONT> m_prefixResolvers.pop();<a name="line.781"></a> |
| <FONT color="green">782</FONT> }<a name="line.782"></a> |
| <FONT color="green">783</FONT> <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> /**<a name="line.786"></a> |
| <FONT color="green">787</FONT> * Set the current context node.<a name="line.787"></a> |
| <FONT color="green">788</FONT> *<a name="line.788"></a> |
| <FONT color="green">789</FONT> * @param n the <a href="http://www.w3.org/TR/xslt#dt-current-node">current node</a>.<a name="line.789"></a> |
| <FONT color="green">790</FONT> */<a name="line.790"></a> |
| <FONT color="green">791</FONT> public final void pushCurrentNode(int n)<a name="line.791"></a> |
| <FONT color="green">792</FONT> {<a name="line.792"></a> |
| <FONT color="green">793</FONT> m_currentNodes.push(n);<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> /**<a name="line.796"></a> |
| <FONT color="green">797</FONT> * Pop the current context node.<a name="line.797"></a> |
| <FONT color="green">798</FONT> */<a name="line.798"></a> |
| <FONT color="green">799</FONT> public final void popCurrentNode()<a name="line.799"></a> |
| <FONT color="green">800</FONT> {<a name="line.800"></a> |
| <FONT color="green">801</FONT> m_currentNodes.quickPop(1);<a name="line.801"></a> |
| <FONT color="green">802</FONT> }<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> * Set the current predicate root.<a name="line.805"></a> |
| <FONT color="green">806</FONT> */<a name="line.806"></a> |
| <FONT color="green">807</FONT> public final void pushPredicateRoot(int n)<a name="line.807"></a> |
| <FONT color="green">808</FONT> {<a name="line.808"></a> |
| <FONT color="green">809</FONT> m_predicateRoots.push(n);<a name="line.809"></a> |
| <FONT color="green">810</FONT> }<a name="line.810"></a> |
| <FONT color="green">811</FONT> <a name="line.811"></a> |
| <FONT color="green">812</FONT> /**<a name="line.812"></a> |
| <FONT color="green">813</FONT> * Pop the current predicate root.<a name="line.813"></a> |
| <FONT color="green">814</FONT> */<a name="line.814"></a> |
| <FONT color="green">815</FONT> public final void popPredicateRoot()<a name="line.815"></a> |
| <FONT color="green">816</FONT> {<a name="line.816"></a> |
| <FONT color="green">817</FONT> m_predicateRoots.popQuick();<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> * Get the current predicate root.<a name="line.821"></a> |
| <FONT color="green">822</FONT> */<a name="line.822"></a> |
| <FONT color="green">823</FONT> public final int getPredicateRoot()<a name="line.823"></a> |
| <FONT color="green">824</FONT> {<a name="line.824"></a> |
| <FONT color="green">825</FONT> return m_predicateRoots.peepOrNull();<a name="line.825"></a> |
| <FONT color="green">826</FONT> }<a name="line.826"></a> |
| <FONT color="green">827</FONT> <a name="line.827"></a> |
| <FONT color="green">828</FONT> /**<a name="line.828"></a> |
| <FONT color="green">829</FONT> * Set the current location path iterator root.<a name="line.829"></a> |
| <FONT color="green">830</FONT> */<a name="line.830"></a> |
| <FONT color="green">831</FONT> public final void pushIteratorRoot(int n)<a name="line.831"></a> |
| <FONT color="green">832</FONT> {<a name="line.832"></a> |
| <FONT color="green">833</FONT> m_iteratorRoots.push(n);<a name="line.833"></a> |
| <FONT color="green">834</FONT> }<a name="line.834"></a> |
| <FONT color="green">835</FONT> <a name="line.835"></a> |
| <FONT color="green">836</FONT> /**<a name="line.836"></a> |
| <FONT color="green">837</FONT> * Pop the current location path iterator root.<a name="line.837"></a> |
| <FONT color="green">838</FONT> */<a name="line.838"></a> |
| <FONT color="green">839</FONT> public final void popIteratorRoot()<a name="line.839"></a> |
| <FONT color="green">840</FONT> {<a name="line.840"></a> |
| <FONT color="green">841</FONT> m_iteratorRoots.popQuick();<a name="line.841"></a> |
| <FONT color="green">842</FONT> }<a name="line.842"></a> |
| <FONT color="green">843</FONT> <a name="line.843"></a> |
| <FONT color="green">844</FONT> /**<a name="line.844"></a> |
| <FONT color="green">845</FONT> * Get the current location path iterator root.<a name="line.845"></a> |
| <FONT color="green">846</FONT> */<a name="line.846"></a> |
| <FONT color="green">847</FONT> public final int getIteratorRoot()<a name="line.847"></a> |
| <FONT color="green">848</FONT> {<a name="line.848"></a> |
| <FONT color="green">849</FONT> return m_iteratorRoots.peepOrNull();<a name="line.849"></a> |
| <FONT color="green">850</FONT> }<a name="line.850"></a> |
| <FONT color="green">851</FONT> <a name="line.851"></a> |
| <FONT color="green">852</FONT> /** A stack of the current sub-expression nodes. */<a name="line.852"></a> |
| <FONT color="green">853</FONT> private NodeVector m_iteratorRoots = new NodeVector();<a name="line.853"></a> |
| <FONT color="green">854</FONT> <a name="line.854"></a> |
| <FONT color="green">855</FONT> /** A stack of the current sub-expression nodes. */<a name="line.855"></a> |
| <FONT color="green">856</FONT> private NodeVector m_predicateRoots = new NodeVector();<a name="line.856"></a> |
| <FONT color="green">857</FONT> <a name="line.857"></a> |
| <FONT color="green">858</FONT> /** A stack of the current sub-expression nodes. */<a name="line.858"></a> |
| <FONT color="green">859</FONT> private IntStack m_currentExpressionNodes = new IntStack(RECURSIONLIMIT);<a name="line.859"></a> |
| <FONT color="green">860</FONT> <a name="line.860"></a> |
| <FONT color="green">861</FONT> <a name="line.861"></a> |
| <FONT color="green">862</FONT> public IntStack getCurrentExpressionNodeStack() { return m_currentExpressionNodes; }<a name="line.862"></a> |
| <FONT color="green">863</FONT> public void setCurrentExpressionNodeStack(IntStack nv) { m_currentExpressionNodes = nv; }<a name="line.863"></a> |
| <FONT color="green">864</FONT> <a name="line.864"></a> |
| <FONT color="green">865</FONT> private IntStack m_predicatePos = new IntStack();<a name="line.865"></a> |
| <FONT color="green">866</FONT> <a name="line.866"></a> |
| <FONT color="green">867</FONT> public final int getPredicatePos()<a name="line.867"></a> |
| <FONT color="green">868</FONT> {<a name="line.868"></a> |
| <FONT color="green">869</FONT> return m_predicatePos.peek();<a name="line.869"></a> |
| <FONT color="green">870</FONT> }<a name="line.870"></a> |
| <FONT color="green">871</FONT> <a name="line.871"></a> |
| <FONT color="green">872</FONT> public final void pushPredicatePos(int n)<a name="line.872"></a> |
| <FONT color="green">873</FONT> {<a name="line.873"></a> |
| <FONT color="green">874</FONT> m_predicatePos.push(n);<a name="line.874"></a> |
| <FONT color="green">875</FONT> }<a name="line.875"></a> |
| <FONT color="green">876</FONT> <a name="line.876"></a> |
| <FONT color="green">877</FONT> public final void popPredicatePos()<a name="line.877"></a> |
| <FONT color="green">878</FONT> {<a name="line.878"></a> |
| <FONT color="green">879</FONT> m_predicatePos.pop();<a name="line.879"></a> |
| <FONT color="green">880</FONT> }<a name="line.880"></a> |
| <FONT color="green">881</FONT> <a name="line.881"></a> |
| <FONT color="green">882</FONT> /**<a name="line.882"></a> |
| <FONT color="green">883</FONT> * Get the current node that is the expression's context (i.e. for current() support).<a name="line.883"></a> |
| <FONT color="green">884</FONT> *<a name="line.884"></a> |
| <FONT color="green">885</FONT> * @return The current sub-expression node.<a name="line.885"></a> |
| <FONT color="green">886</FONT> */<a name="line.886"></a> |
| <FONT color="green">887</FONT> public final int getCurrentExpressionNode()<a name="line.887"></a> |
| <FONT color="green">888</FONT> {<a name="line.888"></a> |
| <FONT color="green">889</FONT> return m_currentExpressionNodes.peek();<a name="line.889"></a> |
| <FONT color="green">890</FONT> }<a name="line.890"></a> |
| <FONT color="green">891</FONT> <a name="line.891"></a> |
| <FONT color="green">892</FONT> /**<a name="line.892"></a> |
| <FONT color="green">893</FONT> * Set the current node that is the expression's context (i.e. for current() support).<a name="line.893"></a> |
| <FONT color="green">894</FONT> *<a name="line.894"></a> |
| <FONT color="green">895</FONT> * @param n The sub-expression node to be current.<a name="line.895"></a> |
| <FONT color="green">896</FONT> */<a name="line.896"></a> |
| <FONT color="green">897</FONT> public final void pushCurrentExpressionNode(int n)<a name="line.897"></a> |
| <FONT color="green">898</FONT> {<a name="line.898"></a> |
| <FONT color="green">899</FONT> m_currentExpressionNodes.push(n);<a name="line.899"></a> |
| <FONT color="green">900</FONT> }<a name="line.900"></a> |
| <FONT color="green">901</FONT> <a name="line.901"></a> |
| <FONT color="green">902</FONT> /**<a name="line.902"></a> |
| <FONT color="green">903</FONT> * Pop the current node that is the expression's context <a name="line.903"></a> |
| <FONT color="green">904</FONT> * (i.e. for current() support).<a name="line.904"></a> |
| <FONT color="green">905</FONT> */<a name="line.905"></a> |
| <FONT color="green">906</FONT> public final void popCurrentExpressionNode()<a name="line.906"></a> |
| <FONT color="green">907</FONT> {<a name="line.907"></a> |
| <FONT color="green">908</FONT> m_currentExpressionNodes.quickPop(1);<a name="line.908"></a> |
| <FONT color="green">909</FONT> }<a name="line.909"></a> |
| <FONT color="green">910</FONT> <a name="line.910"></a> |
| <FONT color="green">911</FONT> private ObjectStack m_prefixResolvers <a name="line.911"></a> |
| <FONT color="green">912</FONT> = new ObjectStack(RECURSIONLIMIT);<a name="line.912"></a> |
| <FONT color="green">913</FONT> <a name="line.913"></a> |
| <FONT color="green">914</FONT> /**<a name="line.914"></a> |
| <FONT color="green">915</FONT> * Get the current namespace context for the xpath.<a name="line.915"></a> |
| <FONT color="green">916</FONT> *<a name="line.916"></a> |
| <FONT color="green">917</FONT> * @return the current prefix resolver for resolving prefixes to <a name="line.917"></a> |
| <FONT color="green">918</FONT> * namespace URLs.<a name="line.918"></a> |
| <FONT color="green">919</FONT> */<a name="line.919"></a> |
| <FONT color="green">920</FONT> public final PrefixResolver getNamespaceContext()<a name="line.920"></a> |
| <FONT color="green">921</FONT> {<a name="line.921"></a> |
| <FONT color="green">922</FONT> return (PrefixResolver) m_prefixResolvers.peek();<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> /**<a name="line.925"></a> |
| <FONT color="green">926</FONT> * Get the current namespace context for the xpath.<a name="line.926"></a> |
| <FONT color="green">927</FONT> *<a name="line.927"></a> |
| <FONT color="green">928</FONT> * @param pr the prefix resolver to be used for resolving prefixes to <a name="line.928"></a> |
| <FONT color="green">929</FONT> * namespace URLs.<a name="line.929"></a> |
| <FONT color="green">930</FONT> */<a name="line.930"></a> |
| <FONT color="green">931</FONT> public final void setNamespaceContext(PrefixResolver pr)<a name="line.931"></a> |
| <FONT color="green">932</FONT> {<a name="line.932"></a> |
| <FONT color="green">933</FONT> m_prefixResolvers.setTop(pr);<a name="line.933"></a> |
| <FONT color="green">934</FONT> }<a name="line.934"></a> |
| <FONT color="green">935</FONT> <a name="line.935"></a> |
| <FONT color="green">936</FONT> /**<a name="line.936"></a> |
| <FONT color="green">937</FONT> * Push a current namespace context for the xpath.<a name="line.937"></a> |
| <FONT color="green">938</FONT> *<a name="line.938"></a> |
| <FONT color="green">939</FONT> * @param pr the prefix resolver to be used for resolving prefixes to <a name="line.939"></a> |
| <FONT color="green">940</FONT> * namespace URLs.<a name="line.940"></a> |
| <FONT color="green">941</FONT> */<a name="line.941"></a> |
| <FONT color="green">942</FONT> public final void pushNamespaceContext(PrefixResolver pr)<a name="line.942"></a> |
| <FONT color="green">943</FONT> {<a name="line.943"></a> |
| <FONT color="green">944</FONT> m_prefixResolvers.push(pr);<a name="line.944"></a> |
| <FONT color="green">945</FONT> }<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> * Just increment the namespace contest stack, so that setNamespaceContext<a name="line.948"></a> |
| <FONT color="green">949</FONT> * can be used on the slot.<a name="line.949"></a> |
| <FONT color="green">950</FONT> */<a name="line.950"></a> |
| <FONT color="green">951</FONT> public final void pushNamespaceContextNull()<a name="line.951"></a> |
| <FONT color="green">952</FONT> {<a name="line.952"></a> |
| <FONT color="green">953</FONT> m_prefixResolvers.push(null);<a name="line.953"></a> |
| <FONT color="green">954</FONT> }<a name="line.954"></a> |
| <FONT color="green">955</FONT> <a name="line.955"></a> |
| <FONT color="green">956</FONT> /**<a name="line.956"></a> |
| <FONT color="green">957</FONT> * Pop the current namespace context for the xpath.<a name="line.957"></a> |
| <FONT color="green">958</FONT> */<a name="line.958"></a> |
| <FONT color="green">959</FONT> public final void popNamespaceContext()<a name="line.959"></a> |
| <FONT color="green">960</FONT> {<a name="line.960"></a> |
| <FONT color="green">961</FONT> m_prefixResolvers.pop();<a name="line.961"></a> |
| <FONT color="green">962</FONT> }<a name="line.962"></a> |
| <FONT color="green">963</FONT> <a name="line.963"></a> |
| <FONT color="green">964</FONT> //==========================================================<a name="line.964"></a> |
| <FONT color="green">965</FONT> // SECTION: Current TreeWalker contexts (for internal use)<a name="line.965"></a> |
| <FONT color="green">966</FONT> //==========================================================<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> * Stack of AxesIterators.<a name="line.969"></a> |
| <FONT color="green">970</FONT> */<a name="line.970"></a> |
| <FONT color="green">971</FONT> private Stack m_axesIteratorStack = new Stack();<a name="line.971"></a> |
| <FONT color="green">972</FONT> <a name="line.972"></a> |
| <FONT color="green">973</FONT> public Stack getAxesIteratorStackStacks() { return m_axesIteratorStack; }<a name="line.973"></a> |
| <FONT color="green">974</FONT> public void setAxesIteratorStackStacks(Stack s) { m_axesIteratorStack = s; }<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> * Push a TreeWalker on the stack.<a name="line.977"></a> |
| <FONT color="green">978</FONT> *<a name="line.978"></a> |
| <FONT color="green">979</FONT> * @param iter A sub-context AxesWalker.<a name="line.979"></a> |
| <FONT color="green">980</FONT> * @xsl.usage internal<a name="line.980"></a> |
| <FONT color="green">981</FONT> */<a name="line.981"></a> |
| <FONT color="green">982</FONT> public final void pushSubContextList(SubContextList iter)<a name="line.982"></a> |
| <FONT color="green">983</FONT> {<a name="line.983"></a> |
| <FONT color="green">984</FONT> m_axesIteratorStack.push(iter);<a name="line.984"></a> |
| <FONT color="green">985</FONT> }<a name="line.985"></a> |
| <FONT color="green">986</FONT> <a name="line.986"></a> |
| <FONT color="green">987</FONT> /**<a name="line.987"></a> |
| <FONT color="green">988</FONT> * Pop the last pushed axes iterator.<a name="line.988"></a> |
| <FONT color="green">989</FONT> * @xsl.usage internal<a name="line.989"></a> |
| <FONT color="green">990</FONT> */<a name="line.990"></a> |
| <FONT color="green">991</FONT> public final void popSubContextList()<a name="line.991"></a> |
| <FONT color="green">992</FONT> {<a name="line.992"></a> |
| <FONT color="green">993</FONT> m_axesIteratorStack.pop();<a name="line.993"></a> |
| <FONT color="green">994</FONT> }<a name="line.994"></a> |
| <FONT color="green">995</FONT> <a name="line.995"></a> |
| <FONT color="green">996</FONT> /**<a name="line.996"></a> |
| <FONT color="green">997</FONT> * Get the current axes iterator, or return null if none.<a name="line.997"></a> |
| <FONT color="green">998</FONT> *<a name="line.998"></a> |
| <FONT color="green">999</FONT> * @return the sub-context node list.<a name="line.999"></a> |
| <FONT color="green">1000</FONT> * @xsl.usage internal<a name="line.1000"></a> |
| <FONT color="green">1001</FONT> */<a name="line.1001"></a> |
| <FONT color="green">1002</FONT> public SubContextList getSubContextList()<a name="line.1002"></a> |
| <FONT color="green">1003</FONT> {<a name="line.1003"></a> |
| <FONT color="green">1004</FONT> return m_axesIteratorStack.isEmpty()<a name="line.1004"></a> |
| <FONT color="green">1005</FONT> ? null : (SubContextList) m_axesIteratorStack.peek();<a name="line.1005"></a> |
| <FONT color="green">1006</FONT> }<a name="line.1006"></a> |
| <FONT color="green">1007</FONT> <a name="line.1007"></a> |
| <FONT color="green">1008</FONT> /**<a name="line.1008"></a> |
| <FONT color="green">1009</FONT> * Get the <a href="http://www.w3.org/TR/xslt#dt-current-node-list">current node list</a> <a name="line.1009"></a> |
| <FONT color="green">1010</FONT> * as defined by the XSLT spec.<a name="line.1010"></a> |
| <FONT color="green">1011</FONT> *<a name="line.1011"></a> |
| <FONT color="green">1012</FONT> * @return the <a href="http://www.w3.org/TR/xslt#dt-current-node-list">current node list</a>.<a name="line.1012"></a> |
| <FONT color="green">1013</FONT> * @xsl.usage internal<a name="line.1013"></a> |
| <FONT color="green">1014</FONT> */<a name="line.1014"></a> |
| <FONT color="green">1015</FONT> <a name="line.1015"></a> |
| <FONT color="green">1016</FONT> public org.apache.xpath.axes.SubContextList getCurrentNodeList()<a name="line.1016"></a> |
| <FONT color="green">1017</FONT> {<a name="line.1017"></a> |
| <FONT color="green">1018</FONT> return m_axesIteratorStack.isEmpty()<a name="line.1018"></a> |
| <FONT color="green">1019</FONT> ? null : (SubContextList) m_axesIteratorStack.elementAt(0);<a name="line.1019"></a> |
| <FONT color="green">1020</FONT> }<a name="line.1020"></a> |
| <FONT color="green">1021</FONT> //==========================================================<a name="line.1021"></a> |
| <FONT color="green">1022</FONT> // SECTION: Implementation of ExpressionContext interface<a name="line.1022"></a> |
| <FONT color="green">1023</FONT> //==========================================================<a name="line.1023"></a> |
| <FONT color="green">1024</FONT> <a name="line.1024"></a> |
| <FONT color="green">1025</FONT> /**<a name="line.1025"></a> |
| <FONT color="green">1026</FONT> * Get the current context node.<a name="line.1026"></a> |
| <FONT color="green">1027</FONT> * @return The current context node.<a name="line.1027"></a> |
| <FONT color="green">1028</FONT> */<a name="line.1028"></a> |
| <FONT color="green">1029</FONT> public final int getContextNode()<a name="line.1029"></a> |
| <FONT color="green">1030</FONT> {<a name="line.1030"></a> |
| <FONT color="green">1031</FONT> return this.getCurrentNode();<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> * Get the current context node list.<a name="line.1035"></a> |
| <FONT color="green">1036</FONT> * @return An iterator for the current context list, as<a name="line.1036"></a> |
| <FONT color="green">1037</FONT> * defined in XSLT.<a name="line.1037"></a> |
| <FONT color="green">1038</FONT> */<a name="line.1038"></a> |
| <FONT color="green">1039</FONT> public final DTMIterator getContextNodes()<a name="line.1039"></a> |
| <FONT color="green">1040</FONT> {<a name="line.1040"></a> |
| <FONT color="green">1041</FONT> <a name="line.1041"></a> |
| <FONT color="green">1042</FONT> try<a name="line.1042"></a> |
| <FONT color="green">1043</FONT> {<a name="line.1043"></a> |
| <FONT color="green">1044</FONT> DTMIterator cnl = getContextNodeList();<a name="line.1044"></a> |
| <FONT color="green">1045</FONT> <a name="line.1045"></a> |
| <FONT color="green">1046</FONT> if (null != cnl)<a name="line.1046"></a> |
| <FONT color="green">1047</FONT> return cnl.cloneWithReset();<a name="line.1047"></a> |
| <FONT color="green">1048</FONT> else<a name="line.1048"></a> |
| <FONT color="green">1049</FONT> return null; // for now... this might ought to be an empty iterator.<a name="line.1049"></a> |
| <FONT color="green">1050</FONT> }<a name="line.1050"></a> |
| <FONT color="green">1051</FONT> catch (CloneNotSupportedException cnse)<a name="line.1051"></a> |
| <FONT color="green">1052</FONT> {<a name="line.1052"></a> |
| <FONT color="green">1053</FONT> return null; // error reporting?<a name="line.1053"></a> |
| <FONT color="green">1054</FONT> }<a name="line.1054"></a> |
| <FONT color="green">1055</FONT> }<a name="line.1055"></a> |
| <FONT color="green">1056</FONT> <a name="line.1056"></a> |
| <FONT color="green">1057</FONT> XPathExpressionContext expressionContext = new XPathExpressionContext();<a name="line.1057"></a> |
| <FONT color="green">1058</FONT> <a name="line.1058"></a> |
| <FONT color="green">1059</FONT> /**<a name="line.1059"></a> |
| <FONT color="green">1060</FONT> * The the expression context for extensions for this context.<a name="line.1060"></a> |
| <FONT color="green">1061</FONT> * <a name="line.1061"></a> |
| <FONT color="green">1062</FONT> * @return An object that implements the ExpressionContext.<a name="line.1062"></a> |
| <FONT color="green">1063</FONT> */<a name="line.1063"></a> |
| <FONT color="green">1064</FONT> public ExpressionContext getExpressionContext()<a name="line.1064"></a> |
| <FONT color="green">1065</FONT> {<a name="line.1065"></a> |
| <FONT color="green">1066</FONT> return expressionContext;<a name="line.1066"></a> |
| <FONT color="green">1067</FONT> }<a name="line.1067"></a> |
| <FONT color="green">1068</FONT> <a name="line.1068"></a> |
| <FONT color="green">1069</FONT> public class XPathExpressionContext implements ExpressionContext<a name="line.1069"></a> |
| <FONT color="green">1070</FONT> {<a name="line.1070"></a> |
| <FONT color="green">1071</FONT> /**<a name="line.1071"></a> |
| <FONT color="green">1072</FONT> * Return the XPathContext associated with this XPathExpressionContext.<a name="line.1072"></a> |
| <FONT color="green">1073</FONT> * Extensions should use this judiciously and only when special processing<a name="line.1073"></a> |
| <FONT color="green">1074</FONT> * requirements cannot be met another way. Consider requesting an enhancement<a name="line.1074"></a> |
| <FONT color="green">1075</FONT> * to the ExpressionContext interface to avoid having to call this method.<a name="line.1075"></a> |
| <FONT color="green">1076</FONT> * @return the XPathContext associated with this XPathExpressionContext.<a name="line.1076"></a> |
| <FONT color="green">1077</FONT> */<a name="line.1077"></a> |
| <FONT color="green">1078</FONT> public XPathContext getXPathContext()<a name="line.1078"></a> |
| <FONT color="green">1079</FONT> {<a name="line.1079"></a> |
| <FONT color="green">1080</FONT> return XPathContext.this;<a name="line.1080"></a> |
| <FONT color="green">1081</FONT> }<a name="line.1081"></a> |
| <FONT color="green">1082</FONT> <a name="line.1082"></a> |
| <FONT color="green">1083</FONT> /**<a name="line.1083"></a> |
| <FONT color="green">1084</FONT> * Return the DTMManager object. Though XPathContext context extends <a name="line.1084"></a> |
| <FONT color="green">1085</FONT> * the DTMManager, it really is a proxy for the real DTMManager. If a <a name="line.1085"></a> |
| <FONT color="green">1086</FONT> * caller needs to make a lot of calls to the DTMManager, it is faster <a name="line.1086"></a> |
| <FONT color="green">1087</FONT> * if it gets the real one from this function.<a name="line.1087"></a> |
| <FONT color="green">1088</FONT> */<a name="line.1088"></a> |
| <FONT color="green">1089</FONT> public DTMManager getDTMManager()<a name="line.1089"></a> |
| <FONT color="green">1090</FONT> {<a name="line.1090"></a> |
| <FONT color="green">1091</FONT> return m_dtmManager;<a name="line.1091"></a> |
| <FONT color="green">1092</FONT> }<a name="line.1092"></a> |
| <FONT color="green">1093</FONT> <a name="line.1093"></a> |
| <FONT color="green">1094</FONT> /**<a name="line.1094"></a> |
| <FONT color="green">1095</FONT> * Get the current context node.<a name="line.1095"></a> |
| <FONT color="green">1096</FONT> * @return The current context node.<a name="line.1096"></a> |
| <FONT color="green">1097</FONT> */<a name="line.1097"></a> |
| <FONT color="green">1098</FONT> public org.w3c.dom.Node getContextNode()<a name="line.1098"></a> |
| <FONT color="green">1099</FONT> {<a name="line.1099"></a> |
| <FONT color="green">1100</FONT> int context = getCurrentNode();<a name="line.1100"></a> |
| <FONT color="green">1101</FONT> <a name="line.1101"></a> |
| <FONT color="green">1102</FONT> return getDTM(context).getNode(context);<a name="line.1102"></a> |
| <FONT color="green">1103</FONT> }<a name="line.1103"></a> |
| <FONT color="green">1104</FONT> <a name="line.1104"></a> |
| <FONT color="green">1105</FONT> /**<a name="line.1105"></a> |
| <FONT color="green">1106</FONT> * Get the current context node list.<a name="line.1106"></a> |
| <FONT color="green">1107</FONT> * @return An iterator for the current context list, as<a name="line.1107"></a> |
| <FONT color="green">1108</FONT> * defined in XSLT.<a name="line.1108"></a> |
| <FONT color="green">1109</FONT> */<a name="line.1109"></a> |
| <FONT color="green">1110</FONT> public org.w3c.dom.traversal.NodeIterator getContextNodes()<a name="line.1110"></a> |
| <FONT color="green">1111</FONT> {<a name="line.1111"></a> |
| <FONT color="green">1112</FONT> return new org.apache.xml.dtm.ref.DTMNodeIterator(getContextNodeList());<a name="line.1112"></a> |
| <FONT color="green">1113</FONT> }<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> * Get the error listener.<a name="line.1116"></a> |
| <FONT color="green">1117</FONT> * @return The registered error listener.<a name="line.1117"></a> |
| <FONT color="green">1118</FONT> */<a name="line.1118"></a> |
| <FONT color="green">1119</FONT> public ErrorListener getErrorListener()<a name="line.1119"></a> |
| <FONT color="green">1120</FONT> {<a name="line.1120"></a> |
| <FONT color="green">1121</FONT> return XPathContext.this.getErrorListener();<a name="line.1121"></a> |
| <FONT color="green">1122</FONT> }<a name="line.1122"></a> |
| <FONT color="green">1123</FONT> <a name="line.1123"></a> |
| <FONT color="green">1124</FONT> /**<a name="line.1124"></a> |
| <FONT color="green">1125</FONT> * Get the value of a node as a number.<a name="line.1125"></a> |
| <FONT color="green">1126</FONT> * @param n Node to be converted to a number. May be null.<a name="line.1126"></a> |
| <FONT color="green">1127</FONT> * @return value of n as a number.<a name="line.1127"></a> |
| <FONT color="green">1128</FONT> */<a name="line.1128"></a> |
| <FONT color="green">1129</FONT> public double toNumber(org.w3c.dom.Node n)<a name="line.1129"></a> |
| <FONT color="green">1130</FONT> {<a name="line.1130"></a> |
| <FONT color="green">1131</FONT> // %REVIEW% You can't get much uglier than this...<a name="line.1131"></a> |
| <FONT color="green">1132</FONT> int nodeHandle = getDTMHandleFromNode(n);<a name="line.1132"></a> |
| <FONT color="green">1133</FONT> DTM dtm = getDTM(nodeHandle);<a name="line.1133"></a> |
| <FONT color="green">1134</FONT> XString xobj = (XString)dtm.getStringValue(nodeHandle);<a name="line.1134"></a> |
| <FONT color="green">1135</FONT> return xobj.num();<a name="line.1135"></a> |
| <FONT color="green">1136</FONT> }<a name="line.1136"></a> |
| <FONT color="green">1137</FONT> <a name="line.1137"></a> |
| <FONT color="green">1138</FONT> /**<a name="line.1138"></a> |
| <FONT color="green">1139</FONT> * Get the value of a node as a string.<a name="line.1139"></a> |
| <FONT color="green">1140</FONT> * @param n Node to be converted to a string. May be null.<a name="line.1140"></a> |
| <FONT color="green">1141</FONT> * @return value of n as a string, or an empty string if n is null.<a name="line.1141"></a> |
| <FONT color="green">1142</FONT> */<a name="line.1142"></a> |
| <FONT color="green">1143</FONT> public String toString(org.w3c.dom.Node n)<a name="line.1143"></a> |
| <FONT color="green">1144</FONT> {<a name="line.1144"></a> |
| <FONT color="green">1145</FONT> // %REVIEW% You can't get much uglier than this...<a name="line.1145"></a> |
| <FONT color="green">1146</FONT> int nodeHandle = getDTMHandleFromNode(n);<a name="line.1146"></a> |
| <FONT color="green">1147</FONT> DTM dtm = getDTM(nodeHandle);<a name="line.1147"></a> |
| <FONT color="green">1148</FONT> XMLString strVal = dtm.getStringValue(nodeHandle);<a name="line.1148"></a> |
| <FONT color="green">1149</FONT> return strVal.toString();<a name="line.1149"></a> |
| <FONT color="green">1150</FONT> }<a name="line.1150"></a> |
| <FONT color="green">1151</FONT> <a name="line.1151"></a> |
| <FONT color="green">1152</FONT> /**<a name="line.1152"></a> |
| <FONT color="green">1153</FONT> * Get a variable based on it's qualified name.<a name="line.1153"></a> |
| <FONT color="green">1154</FONT> * @param qname The qualified name of the variable.<a name="line.1154"></a> |
| <FONT color="green">1155</FONT> * @return The evaluated value of the variable.<a name="line.1155"></a> |
| <FONT color="green">1156</FONT> * @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> public final XObject getVariableOrParam(org.apache.xml.utils.QName qname)<a name="line.1159"></a> |
| <FONT color="green">1160</FONT> throws javax.xml.transform.TransformerException<a name="line.1160"></a> |
| <FONT color="green">1161</FONT> {<a name="line.1161"></a> |
| <FONT color="green">1162</FONT> return m_variableStacks.getVariableOrParam(XPathContext.this, qname);<a name="line.1162"></a> |
| <FONT color="green">1163</FONT> }<a name="line.1163"></a> |
| <FONT color="green">1164</FONT> <a name="line.1164"></a> |
| <FONT color="green">1165</FONT> }<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> * Get a DTM to be used as a container for a global Result Tree<a name="line.1168"></a> |
| <FONT color="green">1169</FONT> * Fragment. This will always be an instance of (derived from? equivalent to?) <a name="line.1169"></a> |
| <FONT color="green">1170</FONT> * SAX2DTM, since each RTF is constructed by temporarily redirecting our SAX <a name="line.1170"></a> |
| <FONT color="green">1171</FONT> * output to it. It may be a single DTM containing for multiple fragments, <a name="line.1171"></a> |
| <FONT color="green">1172</FONT> * if the implementation supports that.<a name="line.1172"></a> |
| <FONT color="green">1173</FONT> * <a name="line.1173"></a> |
| <FONT color="green">1174</FONT> * Note: The distinction between this method and getRTFDTM() is that the latter<a name="line.1174"></a> |
| <FONT color="green">1175</FONT> * allocates space from the dynamic variable stack (m_rtfdtm_stack), which may<a name="line.1175"></a> |
| <FONT color="green">1176</FONT> * be pruned away again as the templates which defined those variables are exited.<a name="line.1176"></a> |
| <FONT color="green">1177</FONT> * Global variables may be bound late (see XUnresolvedVariable), and never want to<a name="line.1177"></a> |
| <FONT color="green">1178</FONT> * be discarded, hence we need to allocate them separately and don't actually need<a name="line.1178"></a> |
| <FONT color="green">1179</FONT> * a stack to track them.<a name="line.1179"></a> |
| <FONT color="green">1180</FONT> * <a name="line.1180"></a> |
| <FONT color="green">1181</FONT> * @return a non-null DTM reference.<a name="line.1181"></a> |
| <FONT color="green">1182</FONT> */<a name="line.1182"></a> |
| <FONT color="green">1183</FONT> public DTM getGlobalRTFDTM()<a name="line.1183"></a> |
| <FONT color="green">1184</FONT> {<a name="line.1184"></a> |
| <FONT color="green">1185</FONT> // We probably should _NOT_ be applying whitespace filtering at this stage!<a name="line.1185"></a> |
| <FONT color="green">1186</FONT> //<a name="line.1186"></a> |
| <FONT color="green">1187</FONT> // Some magic has been applied in DTMManagerDefault to recognize this set of options<a name="line.1187"></a> |
| <FONT color="green">1188</FONT> // and generate an instance of DTM which can contain multiple documents<a name="line.1188"></a> |
| <FONT color="green">1189</FONT> // (SAX2RTFDTM). Perhaps not the optimal way of achieving that result, but<a name="line.1189"></a> |
| <FONT color="green">1190</FONT> // I didn't want to change the manager API at this time, or expose <a name="line.1190"></a> |
| <FONT color="green">1191</FONT> // too many dependencies on its internals. (Ideally, I'd like to move<a name="line.1191"></a> |
| <FONT color="green">1192</FONT> // isTreeIncomplete all the way up to DTM, so we wouldn't need to explicitly<a name="line.1192"></a> |
| <FONT color="green">1193</FONT> // specify the subclass here.)<a name="line.1193"></a> |
| <FONT color="green">1194</FONT> <a name="line.1194"></a> |
| <FONT color="green">1195</FONT> // If it doesn't exist, or if the one already existing is in the middle of<a name="line.1195"></a> |
| <FONT color="green">1196</FONT> // being constructed, we need to obtain a new DTM to write into. I'm not sure<a name="line.1196"></a> |
| <FONT color="green">1197</FONT> // the latter will ever arise, but I'd rather be just a bit paranoid..<a name="line.1197"></a> |
| <FONT color="green">1198</FONT> if( m_global_rtfdtm==null || m_global_rtfdtm.isTreeIncomplete() )<a name="line.1198"></a> |
| <FONT color="green">1199</FONT> {<a name="line.1199"></a> |
| <FONT color="green">1200</FONT> m_global_rtfdtm=(SAX2RTFDTM)m_dtmManager.getDTM(null,true,null,false,false);<a name="line.1200"></a> |
| <FONT color="green">1201</FONT> }<a name="line.1201"></a> |
| <FONT color="green">1202</FONT> return m_global_rtfdtm;<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> <a name="line.1205"></a> |
| <FONT color="green">1206</FONT> <a name="line.1206"></a> |
| <FONT color="green">1207</FONT> <a name="line.1207"></a> |
| <FONT color="green">1208</FONT> /**<a name="line.1208"></a> |
| <FONT color="green">1209</FONT> * Get a DTM to be used as a container for a dynamic Result Tree<a name="line.1209"></a> |
| <FONT color="green">1210</FONT> * Fragment. This will always be an instance of (derived from? equivalent to?) <a name="line.1210"></a> |
| <FONT color="green">1211</FONT> * SAX2DTM, since each RTF is constructed by temporarily redirecting our SAX <a name="line.1211"></a> |
| <FONT color="green">1212</FONT> * output to it. It may be a single DTM containing for multiple fragments, <a name="line.1212"></a> |
| <FONT color="green">1213</FONT> * if the implementation supports that.<a name="line.1213"></a> |
| <FONT color="green">1214</FONT> * <a name="line.1214"></a> |
| <FONT color="green">1215</FONT> * @return a non-null DTM reference.<a name="line.1215"></a> |
| <FONT color="green">1216</FONT> */<a name="line.1216"></a> |
| <FONT color="green">1217</FONT> public DTM getRTFDTM()<a name="line.1217"></a> |
| <FONT color="green">1218</FONT> {<a name="line.1218"></a> |
| <FONT color="green">1219</FONT> SAX2RTFDTM rtfdtm;<a name="line.1219"></a> |
| <FONT color="green">1220</FONT> <a name="line.1220"></a> |
| <FONT color="green">1221</FONT> // We probably should _NOT_ be applying whitespace filtering at this stage!<a name="line.1221"></a> |
| <FONT color="green">1222</FONT> //<a name="line.1222"></a> |
| <FONT color="green">1223</FONT> // Some magic has been applied in DTMManagerDefault to recognize this set of options<a name="line.1223"></a> |
| <FONT color="green">1224</FONT> // and generate an instance of DTM which can contain multiple documents<a name="line.1224"></a> |
| <FONT color="green">1225</FONT> // (SAX2RTFDTM). Perhaps not the optimal way of achieving that result, but<a name="line.1225"></a> |
| <FONT color="green">1226</FONT> // I didn't want to change the manager API at this time, or expose <a name="line.1226"></a> |
| <FONT color="green">1227</FONT> // too many dependencies on its internals. (Ideally, I'd like to move<a name="line.1227"></a> |
| <FONT color="green">1228</FONT> // isTreeIncomplete all the way up to DTM, so we wouldn't need to explicitly<a name="line.1228"></a> |
| <FONT color="green">1229</FONT> // specify the subclass here.)<a name="line.1229"></a> |
| <FONT color="green">1230</FONT> <a name="line.1230"></a> |
| <FONT color="green">1231</FONT> if(m_rtfdtm_stack==null)<a name="line.1231"></a> |
| <FONT color="green">1232</FONT> {<a name="line.1232"></a> |
| <FONT color="green">1233</FONT> m_rtfdtm_stack=new Vector();<a name="line.1233"></a> |
| <FONT color="green">1234</FONT> rtfdtm=(SAX2RTFDTM)m_dtmManager.getDTM(null,true,null,false,false);<a name="line.1234"></a> |
| <FONT color="green">1235</FONT> m_rtfdtm_stack.addElement(rtfdtm);<a name="line.1235"></a> |
| <FONT color="green">1236</FONT> ++m_which_rtfdtm;<a name="line.1236"></a> |
| <FONT color="green">1237</FONT> }<a name="line.1237"></a> |
| <FONT color="green">1238</FONT> else if(m_which_rtfdtm<0)<a name="line.1238"></a> |
| <FONT color="green">1239</FONT> {<a name="line.1239"></a> |
| <FONT color="green">1240</FONT> rtfdtm=(SAX2RTFDTM)m_rtfdtm_stack.elementAt(++m_which_rtfdtm);<a name="line.1240"></a> |
| <FONT color="green">1241</FONT> }<a name="line.1241"></a> |
| <FONT color="green">1242</FONT> else<a name="line.1242"></a> |
| <FONT color="green">1243</FONT> {<a name="line.1243"></a> |
| <FONT color="green">1244</FONT> rtfdtm=(SAX2RTFDTM)m_rtfdtm_stack.elementAt(m_which_rtfdtm);<a name="line.1244"></a> |
| <FONT color="green">1245</FONT> <a name="line.1245"></a> |
| <FONT color="green">1246</FONT> // It might already be under construction -- the classic example would be<a name="line.1246"></a> |
| <FONT color="green">1247</FONT> // an xsl:variable which uses xsl:call-template as part of its value. To<a name="line.1247"></a> |
| <FONT color="green">1248</FONT> // handle this recursion, we have to start a new RTF DTM, pushing the old<a name="line.1248"></a> |
| <FONT color="green">1249</FONT> // one onto a stack so we can return to it. This is not as uncommon a case<a name="line.1249"></a> |
| <FONT color="green">1250</FONT> // as we might wish, unfortunately, as some folks insist on coding XSLT<a name="line.1250"></a> |
| <FONT color="green">1251</FONT> // as if it were a procedural language...<a name="line.1251"></a> |
| <FONT color="green">1252</FONT> if(rtfdtm.isTreeIncomplete())<a name="line.1252"></a> |
| <FONT color="green">1253</FONT> {<a name="line.1253"></a> |
| <FONT color="green">1254</FONT> if(++m_which_rtfdtm < m_rtfdtm_stack.size())<a name="line.1254"></a> |
| <FONT color="green">1255</FONT> rtfdtm=(SAX2RTFDTM)m_rtfdtm_stack.elementAt(m_which_rtfdtm);<a name="line.1255"></a> |
| <FONT color="green">1256</FONT> else<a name="line.1256"></a> |
| <FONT color="green">1257</FONT> {<a name="line.1257"></a> |
| <FONT color="green">1258</FONT> rtfdtm=(SAX2RTFDTM)m_dtmManager.getDTM(null,true,null,false,false);<a name="line.1258"></a> |
| <FONT color="green">1259</FONT> m_rtfdtm_stack.addElement(rtfdtm); <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> <a name="line.1263"></a> |
| <FONT color="green">1264</FONT> return rtfdtm;<a name="line.1264"></a> |
| <FONT color="green">1265</FONT> }<a name="line.1265"></a> |
| <FONT color="green">1266</FONT> <a name="line.1266"></a> |
| <FONT color="green">1267</FONT> /** Push the RTFDTM's context mark, to allows discarding RTFs added after this<a name="line.1267"></a> |
| <FONT color="green">1268</FONT> * point. (If it doesn't exist we don't push, since we might still be able to <a name="line.1268"></a> |
| <FONT color="green">1269</FONT> * get away with not creating it. That requires that excessive pops be harmless.)<a name="line.1269"></a> |
| <FONT color="green">1270</FONT> * */<a name="line.1270"></a> |
| <FONT color="green">1271</FONT> public void pushRTFContext()<a name="line.1271"></a> |
| <FONT color="green">1272</FONT> {<a name="line.1272"></a> |
| <FONT color="green">1273</FONT> m_last_pushed_rtfdtm.push(m_which_rtfdtm);<a name="line.1273"></a> |
| <FONT color="green">1274</FONT> if(null!=m_rtfdtm_stack)<a name="line.1274"></a> |
| <FONT color="green">1275</FONT> ((SAX2RTFDTM)(getRTFDTM())).pushRewindMark();<a name="line.1275"></a> |
| <FONT color="green">1276</FONT> }<a name="line.1276"></a> |
| <FONT color="green">1277</FONT> <a name="line.1277"></a> |
| <FONT color="green">1278</FONT> /** Pop the RTFDTM's context mark. This discards any RTFs added after the last<a name="line.1278"></a> |
| <FONT color="green">1279</FONT> * mark was set. <a name="line.1279"></a> |
| <FONT color="green">1280</FONT> * <a name="line.1280"></a> |
| <FONT color="green">1281</FONT> * If there is no RTF DTM, there's nothing to pop so this<a name="line.1281"></a> |
| <FONT color="green">1282</FONT> * becomes a no-op. If pushes were issued before this was called, we count on<a name="line.1282"></a> |
| <FONT color="green">1283</FONT> * the fact that popRewindMark is defined such that overpopping just resets<a name="line.1283"></a> |
| <FONT color="green">1284</FONT> * to empty.<a name="line.1284"></a> |
| <FONT color="green">1285</FONT> * <a name="line.1285"></a> |
| <FONT color="green">1286</FONT> * Complicating factor: We need to handle the case of popping back to a previous<a name="line.1286"></a> |
| <FONT color="green">1287</FONT> * RTF DTM, if one of the weird produce-an-RTF-to-build-an-RTF cases arose.<a name="line.1287"></a> |
| <FONT color="green">1288</FONT> * Basically: If pop says this DTM is now empty, then return to the previous<a name="line.1288"></a> |
| <FONT color="green">1289</FONT> * if one exists, in whatever state we left it in. UGLY, but hopefully the<a name="line.1289"></a> |
| <FONT color="green">1290</FONT> * situation which forces us to consider this will arise exceedingly rarely.<a name="line.1290"></a> |
| <FONT color="green">1291</FONT> * */<a name="line.1291"></a> |
| <FONT color="green">1292</FONT> public void popRTFContext()<a name="line.1292"></a> |
| <FONT color="green">1293</FONT> {<a name="line.1293"></a> |
| <FONT color="green">1294</FONT> int previous=m_last_pushed_rtfdtm.pop();<a name="line.1294"></a> |
| <FONT color="green">1295</FONT> if(null==m_rtfdtm_stack)<a name="line.1295"></a> |
| <FONT color="green">1296</FONT> return;<a name="line.1296"></a> |
| <FONT color="green">1297</FONT> <a name="line.1297"></a> |
| <FONT color="green">1298</FONT> if(m_which_rtfdtm==previous)<a name="line.1298"></a> |
| <FONT color="green">1299</FONT> {<a name="line.1299"></a> |
| <FONT color="green">1300</FONT> if(previous>=0) // guard against none-active<a name="line.1300"></a> |
| <FONT color="green">1301</FONT> {<a name="line.1301"></a> |
| <FONT color="green">1302</FONT> boolean isEmpty=((SAX2RTFDTM)(m_rtfdtm_stack.elementAt(previous))).popRewindMark();<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> else while(m_which_rtfdtm!=previous)<a name="line.1305"></a> |
| <FONT color="green">1306</FONT> {<a name="line.1306"></a> |
| <FONT color="green">1307</FONT> // Empty each DTM before popping, so it's ready for reuse<a name="line.1307"></a> |
| <FONT color="green">1308</FONT> // _DON'T_ pop the previous, since it's still open (which is why we<a name="line.1308"></a> |
| <FONT color="green">1309</FONT> // stacked up more of these) and did not receive a mark.<a name="line.1309"></a> |
| <FONT color="green">1310</FONT> boolean isEmpty=((SAX2RTFDTM)(m_rtfdtm_stack.elementAt(m_which_rtfdtm))).popRewindMark();<a name="line.1310"></a> |
| <FONT color="green">1311</FONT> --m_which_rtfdtm; <a name="line.1311"></a> |
| <FONT color="green">1312</FONT> }<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> /**<a name="line.1315"></a> |
| <FONT color="green">1316</FONT> * Gets DTMXRTreeFrag object if one has already been created.<a name="line.1316"></a> |
| <FONT color="green">1317</FONT> * Creates new DTMXRTreeFrag object and adds to m_DTMXRTreeFrags HashMap,<a name="line.1317"></a> |
| <FONT color="green">1318</FONT> * otherwise. <a name="line.1318"></a> |
| <FONT color="green">1319</FONT> * @param dtmIdentity<a name="line.1319"></a> |
| <FONT color="green">1320</FONT> * @return DTMXRTreeFrag<a name="line.1320"></a> |
| <FONT color="green">1321</FONT> */<a name="line.1321"></a> |
| <FONT color="green">1322</FONT> public DTMXRTreeFrag getDTMXRTreeFrag(int dtmIdentity){<a name="line.1322"></a> |
| <FONT color="green">1323</FONT> if(m_DTMXRTreeFrags == null){<a name="line.1323"></a> |
| <FONT color="green">1324</FONT> m_DTMXRTreeFrags = new HashMap(); <a name="line.1324"></a> |
| <FONT color="green">1325</FONT> }<a name="line.1325"></a> |
| <FONT color="green">1326</FONT> <a name="line.1326"></a> |
| <FONT color="green">1327</FONT> if(m_DTMXRTreeFrags.containsKey(new Integer(dtmIdentity))){<a name="line.1327"></a> |
| <FONT color="green">1328</FONT> return (DTMXRTreeFrag)m_DTMXRTreeFrags.get(new Integer(dtmIdentity));<a name="line.1328"></a> |
| <FONT color="green">1329</FONT> }else{<a name="line.1329"></a> |
| <FONT color="green">1330</FONT> final DTMXRTreeFrag frag = new DTMXRTreeFrag(dtmIdentity,this);<a name="line.1330"></a> |
| <FONT color="green">1331</FONT> m_DTMXRTreeFrags.put(new Integer(dtmIdentity),frag);<a name="line.1331"></a> |
| <FONT color="green">1332</FONT> return frag ;<a name="line.1332"></a> |
| <FONT color="green">1333</FONT> } <a name="line.1333"></a> |
| <FONT color="green">1334</FONT> }<a name="line.1334"></a> |
| <FONT color="green">1335</FONT> <a name="line.1335"></a> |
| <FONT color="green">1336</FONT> /**<a name="line.1336"></a> |
| <FONT color="green">1337</FONT> * Cleans DTMXRTreeFrag objects by removing references <a name="line.1337"></a> |
| <FONT color="green">1338</FONT> * to DTM and XPathContext objects. <a name="line.1338"></a> |
| <FONT color="green">1339</FONT> */<a name="line.1339"></a> |
| <FONT color="green">1340</FONT> private final void releaseDTMXRTreeFrags(){<a name="line.1340"></a> |
| <FONT color="green">1341</FONT> if(m_DTMXRTreeFrags == null){<a name="line.1341"></a> |
| <FONT color="green">1342</FONT> return;<a name="line.1342"></a> |
| <FONT color="green">1343</FONT> }<a name="line.1343"></a> |
| <FONT color="green">1344</FONT> final Iterator iter = (m_DTMXRTreeFrags.values()).iterator();<a name="line.1344"></a> |
| <FONT color="green">1345</FONT> while(iter.hasNext()){<a name="line.1345"></a> |
| <FONT color="green">1346</FONT> DTMXRTreeFrag frag = (DTMXRTreeFrag)iter.next();<a name="line.1346"></a> |
| <FONT color="green">1347</FONT> frag.destruct();<a name="line.1347"></a> |
| <FONT color="green">1348</FONT> iter.remove();<a name="line.1348"></a> |
| <FONT color="green">1349</FONT> }<a name="line.1349"></a> |
| <FONT color="green">1350</FONT> m_DTMXRTreeFrags = null;<a name="line.1350"></a> |
| <FONT color="green">1351</FONT> }<a name="line.1351"></a> |
| <FONT color="green">1352</FONT> }<a name="line.1352"></a> |
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| </PRE> |
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