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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: ElemVariable.java 468643 2006-10-28 06:56:03Z minchau $<a name="line.19"></a> |
| <FONT color="green">020</FONT> */<a name="line.20"></a> |
| <FONT color="green">021</FONT> package org.apache.xalan.templates;<a name="line.21"></a> |
| <FONT color="green">022</FONT> <a name="line.22"></a> |
| <FONT color="green">023</FONT> import javax.xml.transform.TransformerException;<a name="line.23"></a> |
| <FONT color="green">024</FONT> <a name="line.24"></a> |
| <FONT color="green">025</FONT> import org.apache.xalan.transformer.TransformerImpl;<a name="line.25"></a> |
| <FONT color="green">026</FONT> import org.apache.xml.utils.QName;<a name="line.26"></a> |
| <FONT color="green">027</FONT> import org.apache.xpath.XPath;<a name="line.27"></a> |
| <FONT color="green">028</FONT> import org.apache.xpath.XPathContext;<a name="line.28"></a> |
| <FONT color="green">029</FONT> import org.apache.xpath.objects.XObject;<a name="line.29"></a> |
| <FONT color="green">030</FONT> import org.apache.xpath.objects.XRTreeFrag;<a name="line.30"></a> |
| <FONT color="green">031</FONT> import org.apache.xpath.objects.XRTreeFragSelectWrapper;<a name="line.31"></a> |
| <FONT color="green">032</FONT> import org.apache.xpath.objects.XString;<a name="line.32"></a> |
| <FONT color="green">033</FONT> import org.apache.xalan.res.XSLTErrorResources;<a name="line.33"></a> |
| <FONT color="green">034</FONT> <a name="line.34"></a> |
| <FONT color="green">035</FONT> /**<a name="line.35"></a> |
| <FONT color="green">036</FONT> * Implement xsl:variable.<a name="line.36"></a> |
| <FONT color="green">037</FONT> * <pre><a name="line.37"></a> |
| <FONT color="green">038</FONT> * <!ELEMENT xsl:variable %template;><a name="line.38"></a> |
| <FONT color="green">039</FONT> * <!ATTLIST xsl:variable<a name="line.39"></a> |
| <FONT color="green">040</FONT> * name %qname; #REQUIRED<a name="line.40"></a> |
| <FONT color="green">041</FONT> * select %expr; #IMPLIED<a name="line.41"></a> |
| <FONT color="green">042</FONT> * ><a name="line.42"></a> |
| <FONT color="green">043</FONT> * </pre><a name="line.43"></a> |
| <FONT color="green">044</FONT> * @see <a href="http://www.w3.org/TR/xslt#variables">variables in XSLT Specification</a><a name="line.44"></a> |
| <FONT color="green">045</FONT> * @xsl.usage advanced<a name="line.45"></a> |
| <FONT color="green">046</FONT> */<a name="line.46"></a> |
| <FONT color="green">047</FONT> public class ElemVariable extends ElemTemplateElement<a name="line.47"></a> |
| <FONT color="green">048</FONT> {<a name="line.48"></a> |
| <FONT color="green">049</FONT> static final long serialVersionUID = 9111131075322790061L;<a name="line.49"></a> |
| <FONT color="green">050</FONT> <a name="line.50"></a> |
| <FONT color="green">051</FONT> /**<a name="line.51"></a> |
| <FONT color="green">052</FONT> * Constructor ElemVariable<a name="line.52"></a> |
| <FONT color="green">053</FONT> *<a name="line.53"></a> |
| <FONT color="green">054</FONT> */<a name="line.54"></a> |
| <FONT color="green">055</FONT> public ElemVariable(){}<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> * This is the index into the stack frame.<a name="line.58"></a> |
| <FONT color="green">059</FONT> */<a name="line.59"></a> |
| <FONT color="green">060</FONT> protected int m_index;<a name="line.60"></a> |
| <FONT color="green">061</FONT> <a name="line.61"></a> |
| <FONT color="green">062</FONT> /**<a name="line.62"></a> |
| <FONT color="green">063</FONT> * The stack frame size for this variable if it is a global variable <a name="line.63"></a> |
| <FONT color="green">064</FONT> * that declares an RTF, which is equal to the maximum number <a name="line.64"></a> |
| <FONT color="green">065</FONT> * of variables that can be declared in the variable at one time.<a name="line.65"></a> |
| <FONT color="green">066</FONT> */<a name="line.66"></a> |
| <FONT color="green">067</FONT> int m_frameSize = -1;<a name="line.67"></a> |
| <FONT color="green">068</FONT> <a name="line.68"></a> |
| <FONT color="green">069</FONT> <a name="line.69"></a> |
| <FONT color="green">070</FONT> /**<a name="line.70"></a> |
| <FONT color="green">071</FONT> * Sets the relative position of this variable within the stack frame (if local)<a name="line.71"></a> |
| <FONT color="green">072</FONT> * or the global area (if global). Note that this should be called only for<a name="line.72"></a> |
| <FONT color="green">073</FONT> * global variables since the local position is computed in the compose() method.<a name="line.73"></a> |
| <FONT color="green">074</FONT> */<a name="line.74"></a> |
| <FONT color="green">075</FONT> public void setIndex(int index)<a name="line.75"></a> |
| <FONT color="green">076</FONT> {<a name="line.76"></a> |
| <FONT color="green">077</FONT> m_index = index;<a name="line.77"></a> |
| <FONT color="green">078</FONT> }<a name="line.78"></a> |
| <FONT color="green">079</FONT> <a name="line.79"></a> |
| <FONT color="green">080</FONT> /**<a name="line.80"></a> |
| <FONT color="green">081</FONT> * If this element is not at the top-level, get the relative position of the<a name="line.81"></a> |
| <FONT color="green">082</FONT> * variable into the stack frame. If this variable is at the top-level, get<a name="line.82"></a> |
| <FONT color="green">083</FONT> * the relative position within the global area.<a name="line.83"></a> |
| <FONT color="green">084</FONT> */<a name="line.84"></a> |
| <FONT color="green">085</FONT> public int getIndex()<a name="line.85"></a> |
| <FONT color="green">086</FONT> {<a name="line.86"></a> |
| <FONT color="green">087</FONT> return m_index;<a name="line.87"></a> |
| <FONT color="green">088</FONT> }<a name="line.88"></a> |
| <FONT color="green">089</FONT> <a name="line.89"></a> |
| <FONT color="green">090</FONT> /**<a name="line.90"></a> |
| <FONT color="green">091</FONT> * The value of the "select" attribute.<a name="line.91"></a> |
| <FONT color="green">092</FONT> * @serial<a name="line.92"></a> |
| <FONT color="green">093</FONT> */<a name="line.93"></a> |
| <FONT color="green">094</FONT> private XPath m_selectPattern;<a name="line.94"></a> |
| <FONT color="green">095</FONT> <a name="line.95"></a> |
| <FONT color="green">096</FONT> /**<a name="line.96"></a> |
| <FONT color="green">097</FONT> * Set the "select" attribute.<a name="line.97"></a> |
| <FONT color="green">098</FONT> * If the variable-binding element has a select attribute,<a name="line.98"></a> |
| <FONT color="green">099</FONT> * then the value of the attribute must be an expression and<a name="line.99"></a> |
| <FONT color="green">100</FONT> * the value of the variable is the object that results from<a name="line.100"></a> |
| <FONT color="green">101</FONT> * evaluating the expression. In this case, the content<a name="line.101"></a> |
| <FONT color="green">102</FONT> * of the variable must be empty.<a name="line.102"></a> |
| <FONT color="green">103</FONT> *<a name="line.103"></a> |
| <FONT color="green">104</FONT> * @param v Value to set for the "select" attribute.<a name="line.104"></a> |
| <FONT color="green">105</FONT> */<a name="line.105"></a> |
| <FONT color="green">106</FONT> public void setSelect(XPath v)<a name="line.106"></a> |
| <FONT color="green">107</FONT> {<a name="line.107"></a> |
| <FONT color="green">108</FONT> m_selectPattern = v;<a name="line.108"></a> |
| <FONT color="green">109</FONT> }<a name="line.109"></a> |
| <FONT color="green">110</FONT> <a name="line.110"></a> |
| <FONT color="green">111</FONT> /**<a name="line.111"></a> |
| <FONT color="green">112</FONT> * Get the "select" attribute.<a name="line.112"></a> |
| <FONT color="green">113</FONT> * If the variable-binding element has a select attribute,<a name="line.113"></a> |
| <FONT color="green">114</FONT> * then the value of the attribute must be an expression and<a name="line.114"></a> |
| <FONT color="green">115</FONT> * the value of the variable is the object that results from<a name="line.115"></a> |
| <FONT color="green">116</FONT> * evaluating the expression. In this case, the content<a name="line.116"></a> |
| <FONT color="green">117</FONT> * of the variable must be empty.<a name="line.117"></a> |
| <FONT color="green">118</FONT> *<a name="line.118"></a> |
| <FONT color="green">119</FONT> * @return Value of the "select" attribute.<a name="line.119"></a> |
| <FONT color="green">120</FONT> */<a name="line.120"></a> |
| <FONT color="green">121</FONT> public XPath getSelect()<a name="line.121"></a> |
| <FONT color="green">122</FONT> {<a name="line.122"></a> |
| <FONT color="green">123</FONT> return m_selectPattern;<a name="line.123"></a> |
| <FONT color="green">124</FONT> }<a name="line.124"></a> |
| <FONT color="green">125</FONT> <a name="line.125"></a> |
| <FONT color="green">126</FONT> /**<a name="line.126"></a> |
| <FONT color="green">127</FONT> * The value of the "name" attribute.<a name="line.127"></a> |
| <FONT color="green">128</FONT> * @serial<a name="line.128"></a> |
| <FONT color="green">129</FONT> */<a name="line.129"></a> |
| <FONT color="green">130</FONT> protected QName m_qname;<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> * Set the "name" attribute.<a name="line.133"></a> |
| <FONT color="green">134</FONT> * Both xsl:variable and xsl:param have a required name<a name="line.134"></a> |
| <FONT color="green">135</FONT> * attribute, which specifies the name of the variable. The<a name="line.135"></a> |
| <FONT color="green">136</FONT> * value of the name attribute is a QName, which is expanded<a name="line.136"></a> |
| <FONT color="green">137</FONT> * as described in [2.4 Qualified Names].<a name="line.137"></a> |
| <FONT color="green">138</FONT> * @see <a href="http://www.w3.org/TR/xslt#qname">qname in XSLT Specification</a><a name="line.138"></a> |
| <FONT color="green">139</FONT> *<a name="line.139"></a> |
| <FONT color="green">140</FONT> * @param v Value to set for the "name" attribute.<a name="line.140"></a> |
| <FONT color="green">141</FONT> */<a name="line.141"></a> |
| <FONT color="green">142</FONT> public void setName(QName v)<a name="line.142"></a> |
| <FONT color="green">143</FONT> {<a name="line.143"></a> |
| <FONT color="green">144</FONT> m_qname = v;<a name="line.144"></a> |
| <FONT color="green">145</FONT> }<a name="line.145"></a> |
| <FONT color="green">146</FONT> <a name="line.146"></a> |
| <FONT color="green">147</FONT> /**<a name="line.147"></a> |
| <FONT color="green">148</FONT> * Get the "name" attribute.<a name="line.148"></a> |
| <FONT color="green">149</FONT> * Both xsl:variable and xsl:param have a required name<a name="line.149"></a> |
| <FONT color="green">150</FONT> * attribute, which specifies the name of the variable. The<a name="line.150"></a> |
| <FONT color="green">151</FONT> * value of the name attribute is a QName, which is expanded<a name="line.151"></a> |
| <FONT color="green">152</FONT> * as described in [2.4 Qualified Names].<a name="line.152"></a> |
| <FONT color="green">153</FONT> * @see <a href="http://www.w3.org/TR/xslt#qname">qname in XSLT Specification</a><a name="line.153"></a> |
| <FONT color="green">154</FONT> *<a name="line.154"></a> |
| <FONT color="green">155</FONT> * @return Value of the "name" attribute.<a name="line.155"></a> |
| <FONT color="green">156</FONT> */<a name="line.156"></a> |
| <FONT color="green">157</FONT> public QName getName()<a name="line.157"></a> |
| <FONT color="green">158</FONT> {<a name="line.158"></a> |
| <FONT color="green">159</FONT> return m_qname;<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> * Tells if this is a top-level variable or param, or not.<a name="line.163"></a> |
| <FONT color="green">164</FONT> * @serial<a name="line.164"></a> |
| <FONT color="green">165</FONT> */<a name="line.165"></a> |
| <FONT color="green">166</FONT> private boolean m_isTopLevel = false;<a name="line.166"></a> |
| <FONT color="green">167</FONT> <a name="line.167"></a> |
| <FONT color="green">168</FONT> /**<a name="line.168"></a> |
| <FONT color="green">169</FONT> * Set if this is a top-level variable or param, or not.<a name="line.169"></a> |
| <FONT color="green">170</FONT> * @see <a href="http://www.w3.org/TR/xslt#top-level-variables">top-level-variables in XSLT Specification</a><a name="line.170"></a> |
| <FONT color="green">171</FONT> *<a name="line.171"></a> |
| <FONT color="green">172</FONT> * @param v Boolean indicating whether this is a top-level variable<a name="line.172"></a> |
| <FONT color="green">173</FONT> * or param, or not.<a name="line.173"></a> |
| <FONT color="green">174</FONT> */<a name="line.174"></a> |
| <FONT color="green">175</FONT> public void setIsTopLevel(boolean v)<a name="line.175"></a> |
| <FONT color="green">176</FONT> {<a name="line.176"></a> |
| <FONT color="green">177</FONT> m_isTopLevel = v;<a name="line.177"></a> |
| <FONT color="green">178</FONT> }<a name="line.178"></a> |
| <FONT color="green">179</FONT> <a name="line.179"></a> |
| <FONT color="green">180</FONT> /**<a name="line.180"></a> |
| <FONT color="green">181</FONT> * Get if this is a top-level variable or param, or not.<a name="line.181"></a> |
| <FONT color="green">182</FONT> * @see <a href="http://www.w3.org/TR/xslt#top-level-variables">top-level-variables in XSLT Specification</a><a name="line.182"></a> |
| <FONT color="green">183</FONT> *<a name="line.183"></a> |
| <FONT color="green">184</FONT> * @return Boolean indicating whether this is a top-level variable<a name="line.184"></a> |
| <FONT color="green">185</FONT> * or param, or not.<a name="line.185"></a> |
| <FONT color="green">186</FONT> */<a name="line.186"></a> |
| <FONT color="green">187</FONT> public boolean getIsTopLevel()<a name="line.187"></a> |
| <FONT color="green">188</FONT> {<a name="line.188"></a> |
| <FONT color="green">189</FONT> return m_isTopLevel;<a name="line.189"></a> |
| <FONT color="green">190</FONT> }<a name="line.190"></a> |
| <FONT color="green">191</FONT> <a name="line.191"></a> |
| <FONT color="green">192</FONT> /**<a name="line.192"></a> |
| <FONT color="green">193</FONT> * Get an integer representation of the element type.<a name="line.193"></a> |
| <FONT color="green">194</FONT> *<a name="line.194"></a> |
| <FONT color="green">195</FONT> * @return An integer representation of the element, defined in the<a name="line.195"></a> |
| <FONT color="green">196</FONT> * Constants class.<a name="line.196"></a> |
| <FONT color="green">197</FONT> * @see org.apache.xalan.templates.Constants<a name="line.197"></a> |
| <FONT color="green">198</FONT> */<a name="line.198"></a> |
| <FONT color="green">199</FONT> public int getXSLToken()<a name="line.199"></a> |
| <FONT color="green">200</FONT> {<a name="line.200"></a> |
| <FONT color="green">201</FONT> return Constants.ELEMNAME_VARIABLE;<a name="line.201"></a> |
| <FONT color="green">202</FONT> }<a name="line.202"></a> |
| <FONT color="green">203</FONT> <a name="line.203"></a> |
| <FONT color="green">204</FONT> /**<a name="line.204"></a> |
| <FONT color="green">205</FONT> * Return the node name.<a name="line.205"></a> |
| <FONT color="green">206</FONT> *<a name="line.206"></a> |
| <FONT color="green">207</FONT> * @return The node name<a name="line.207"></a> |
| <FONT color="green">208</FONT> */<a name="line.208"></a> |
| <FONT color="green">209</FONT> public String getNodeName()<a name="line.209"></a> |
| <FONT color="green">210</FONT> {<a name="line.210"></a> |
| <FONT color="green">211</FONT> return Constants.ELEMNAME_VARIABLE_STRING;<a name="line.211"></a> |
| <FONT color="green">212</FONT> }<a name="line.212"></a> |
| <FONT color="green">213</FONT> <a name="line.213"></a> |
| <FONT color="green">214</FONT> /**<a name="line.214"></a> |
| <FONT color="green">215</FONT> * Copy constructor.<a name="line.215"></a> |
| <FONT color="green">216</FONT> *<a name="line.216"></a> |
| <FONT color="green">217</FONT> * @param param An element created from an xsl:variable<a name="line.217"></a> |
| <FONT color="green">218</FONT> *<a name="line.218"></a> |
| <FONT color="green">219</FONT> * @throws TransformerException<a name="line.219"></a> |
| <FONT color="green">220</FONT> */<a name="line.220"></a> |
| <FONT color="green">221</FONT> public ElemVariable(ElemVariable param) throws TransformerException<a name="line.221"></a> |
| <FONT color="green">222</FONT> {<a name="line.222"></a> |
| <FONT color="green">223</FONT> <a name="line.223"></a> |
| <FONT color="green">224</FONT> m_selectPattern = param.m_selectPattern;<a name="line.224"></a> |
| <FONT color="green">225</FONT> m_qname = param.m_qname;<a name="line.225"></a> |
| <FONT color="green">226</FONT> m_isTopLevel = param.m_isTopLevel;<a name="line.226"></a> |
| <FONT color="green">227</FONT> <a name="line.227"></a> |
| <FONT color="green">228</FONT> // m_value = param.m_value;<a name="line.228"></a> |
| <FONT color="green">229</FONT> // m_varContext = param.m_varContext;<a name="line.229"></a> |
| <FONT color="green">230</FONT> }<a name="line.230"></a> |
| <FONT color="green">231</FONT> <a name="line.231"></a> |
| <FONT color="green">232</FONT> /**<a name="line.232"></a> |
| <FONT color="green">233</FONT> * Execute a variable declaration and push it onto the variable stack.<a name="line.233"></a> |
| <FONT color="green">234</FONT> * @see <a href="http://www.w3.org/TR/xslt#variables">variables in XSLT Specification</a><a name="line.234"></a> |
| <FONT color="green">235</FONT> *<a name="line.235"></a> |
| <FONT color="green">236</FONT> * @param transformer non-null reference to the the current transform-time state.<a name="line.236"></a> |
| <FONT color="green">237</FONT> *<a name="line.237"></a> |
| <FONT color="green">238</FONT> * @throws TransformerException<a name="line.238"></a> |
| <FONT color="green">239</FONT> */<a name="line.239"></a> |
| <FONT color="green">240</FONT> public void execute(TransformerImpl transformer) throws TransformerException<a name="line.240"></a> |
| <FONT color="green">241</FONT> {<a name="line.241"></a> |
| <FONT color="green">242</FONT> <a name="line.242"></a> |
| <FONT color="green">243</FONT> if (transformer.getDebug())<a name="line.243"></a> |
| <FONT color="green">244</FONT> transformer.getTraceManager().fireTraceEvent(this);<a name="line.244"></a> |
| <FONT color="green">245</FONT> <a name="line.245"></a> |
| <FONT color="green">246</FONT> int sourceNode = transformer.getXPathContext().getCurrentNode();<a name="line.246"></a> |
| <FONT color="green">247</FONT> <a name="line.247"></a> |
| <FONT color="green">248</FONT> XObject var = getValue(transformer, sourceNode);<a name="line.248"></a> |
| <FONT color="green">249</FONT> <a name="line.249"></a> |
| <FONT color="green">250</FONT> // transformer.getXPathContext().getVarStack().pushVariable(m_qname, var);<a name="line.250"></a> |
| <FONT color="green">251</FONT> transformer.getXPathContext().getVarStack().setLocalVariable(m_index, var);<a name="line.251"></a> |
| <FONT color="green">252</FONT> <a name="line.252"></a> |
| <FONT color="green">253</FONT> if (transformer.getDebug())<a name="line.253"></a> |
| <FONT color="green">254</FONT> transformer.getTraceManager().fireTraceEndEvent(this); <a name="line.254"></a> |
| <FONT color="green">255</FONT> }<a name="line.255"></a> |
| <FONT color="green">256</FONT> <a name="line.256"></a> |
| <FONT color="green">257</FONT> /**<a name="line.257"></a> |
| <FONT color="green">258</FONT> * Get the XObject representation of the variable.<a name="line.258"></a> |
| <FONT color="green">259</FONT> *<a name="line.259"></a> |
| <FONT color="green">260</FONT> * @param transformer non-null reference to the the current transform-time state.<a name="line.260"></a> |
| <FONT color="green">261</FONT> * @param sourceNode non-null reference to the <a href="http://www.w3.org/TR/xslt#dt-current-node">current source node</a>.<a name="line.261"></a> |
| <FONT color="green">262</FONT> *<a name="line.262"></a> |
| <FONT color="green">263</FONT> * @return the XObject representation of the variable.<a name="line.263"></a> |
| <FONT color="green">264</FONT> *<a name="line.264"></a> |
| <FONT color="green">265</FONT> * @throws TransformerException<a name="line.265"></a> |
| <FONT color="green">266</FONT> */<a name="line.266"></a> |
| <FONT color="green">267</FONT> public XObject getValue(TransformerImpl transformer, int sourceNode)<a name="line.267"></a> |
| <FONT color="green">268</FONT> throws TransformerException<a name="line.268"></a> |
| <FONT color="green">269</FONT> {<a name="line.269"></a> |
| <FONT color="green">270</FONT> <a name="line.270"></a> |
| <FONT color="green">271</FONT> XObject var;<a name="line.271"></a> |
| <FONT color="green">272</FONT> XPathContext xctxt = transformer.getXPathContext();<a name="line.272"></a> |
| <FONT color="green">273</FONT> <a name="line.273"></a> |
| <FONT color="green">274</FONT> xctxt.pushCurrentNode(sourceNode);<a name="line.274"></a> |
| <FONT color="green">275</FONT> <a name="line.275"></a> |
| <FONT color="green">276</FONT> try<a name="line.276"></a> |
| <FONT color="green">277</FONT> {<a name="line.277"></a> |
| <FONT color="green">278</FONT> if (null != m_selectPattern)<a name="line.278"></a> |
| <FONT color="green">279</FONT> {<a name="line.279"></a> |
| <FONT color="green">280</FONT> var = m_selectPattern.execute(xctxt, sourceNode, this);<a name="line.280"></a> |
| <FONT color="green">281</FONT> <a name="line.281"></a> |
| <FONT color="green">282</FONT> var.allowDetachToRelease(false);<a name="line.282"></a> |
| <FONT color="green">283</FONT> <a name="line.283"></a> |
| <FONT color="green">284</FONT> if (transformer.getDebug())<a name="line.284"></a> |
| <FONT color="green">285</FONT> transformer.getTraceManager().fireSelectedEvent(sourceNode, this,<a name="line.285"></a> |
| <FONT color="green">286</FONT> "select", m_selectPattern, var);<a name="line.286"></a> |
| <FONT color="green">287</FONT> }<a name="line.287"></a> |
| <FONT color="green">288</FONT> else if (null == getFirstChildElem())<a name="line.288"></a> |
| <FONT color="green">289</FONT> {<a name="line.289"></a> |
| <FONT color="green">290</FONT> var = XString.EMPTYSTRING;<a name="line.290"></a> |
| <FONT color="green">291</FONT> }<a name="line.291"></a> |
| <FONT color="green">292</FONT> else<a name="line.292"></a> |
| <FONT color="green">293</FONT> {<a name="line.293"></a> |
| <FONT color="green">294</FONT> <a name="line.294"></a> |
| <FONT color="green">295</FONT> // Use result tree fragment.<a name="line.295"></a> |
| <FONT color="green">296</FONT> // Global variables may be deferred (see XUnresolvedVariable) and hence<a name="line.296"></a> |
| <FONT color="green">297</FONT> // need to be assigned to a different set of DTMs than local variables<a name="line.297"></a> |
| <FONT color="green">298</FONT> // so they aren't popped off the stack on return from a template.<a name="line.298"></a> |
| <FONT color="green">299</FONT> int df;<a name="line.299"></a> |
| <FONT color="green">300</FONT> <a name="line.300"></a> |
| <FONT color="green">301</FONT> // Bugzilla 7118: A variable set via an RTF may create local<a name="line.301"></a> |
| <FONT color="green">302</FONT> // variables during that computation. To keep them from overwriting<a name="line.302"></a> |
| <FONT color="green">303</FONT> // variables at this level, push a new variable stack.<a name="line.303"></a> |
| <FONT color="green">304</FONT> ////// PROBLEM: This is provoking a variable-used-before-set<a name="line.304"></a> |
| <FONT color="green">305</FONT> ////// problem in parameters. Needs more study.<a name="line.305"></a> |
| <FONT color="green">306</FONT> try<a name="line.306"></a> |
| <FONT color="green">307</FONT> {<a name="line.307"></a> |
| <FONT color="green">308</FONT> //////////xctxt.getVarStack().link(0);<a name="line.308"></a> |
| <FONT color="green">309</FONT> if(m_parentNode instanceof Stylesheet) // Global variable<a name="line.309"></a> |
| <FONT color="green">310</FONT> df = transformer.transformToGlobalRTF(this);<a name="line.310"></a> |
| <FONT color="green">311</FONT> else<a name="line.311"></a> |
| <FONT color="green">312</FONT> df = transformer.transformToRTF(this);<a name="line.312"></a> |
| <FONT color="green">313</FONT> }<a name="line.313"></a> |
| <FONT color="green">314</FONT> finally{ <a name="line.314"></a> |
| <FONT color="green">315</FONT> //////////////xctxt.getVarStack().unlink(); <a name="line.315"></a> |
| <FONT color="green">316</FONT> }<a name="line.316"></a> |
| <FONT color="green">317</FONT> <a name="line.317"></a> |
| <FONT color="green">318</FONT> var = new XRTreeFrag(df, xctxt, this);<a name="line.318"></a> |
| <FONT color="green">319</FONT> }<a name="line.319"></a> |
| <FONT color="green">320</FONT> }<a name="line.320"></a> |
| <FONT color="green">321</FONT> finally<a name="line.321"></a> |
| <FONT color="green">322</FONT> { <a name="line.322"></a> |
| <FONT color="green">323</FONT> xctxt.popCurrentNode();<a name="line.323"></a> |
| <FONT color="green">324</FONT> }<a name="line.324"></a> |
| <FONT color="green">325</FONT> <a name="line.325"></a> |
| <FONT color="green">326</FONT> return var;<a name="line.326"></a> |
| <FONT color="green">327</FONT> }<a name="line.327"></a> |
| <FONT color="green">328</FONT> <a name="line.328"></a> |
| <FONT color="green">329</FONT> <a name="line.329"></a> |
| <FONT color="green">330</FONT> /**<a name="line.330"></a> |
| <FONT color="green">331</FONT> * This function is called after everything else has been<a name="line.331"></a> |
| <FONT color="green">332</FONT> * recomposed, and allows the template to set remaining<a name="line.332"></a> |
| <FONT color="green">333</FONT> * values that may be based on some other property that<a name="line.333"></a> |
| <FONT color="green">334</FONT> * depends on recomposition.<a name="line.334"></a> |
| <FONT color="green">335</FONT> */<a name="line.335"></a> |
| <FONT color="green">336</FONT> public void compose(StylesheetRoot sroot) throws TransformerException<a name="line.336"></a> |
| <FONT color="green">337</FONT> {<a name="line.337"></a> |
| <FONT color="green">338</FONT> // See if we can reduce an RTF to a select with a string expression.<a name="line.338"></a> |
| <FONT color="green">339</FONT> if(null == m_selectPattern <a name="line.339"></a> |
| <FONT color="green">340</FONT> && sroot.getOptimizer())<a name="line.340"></a> |
| <FONT color="green">341</FONT> {<a name="line.341"></a> |
| <FONT color="green">342</FONT> XPath newSelect = rewriteChildToExpression(this);<a name="line.342"></a> |
| <FONT color="green">343</FONT> if(null != newSelect)<a name="line.343"></a> |
| <FONT color="green">344</FONT> m_selectPattern = newSelect;<a name="line.344"></a> |
| <FONT color="green">345</FONT> }<a name="line.345"></a> |
| <FONT color="green">346</FONT> <a name="line.346"></a> |
| <FONT color="green">347</FONT> StylesheetRoot.ComposeState cstate = sroot.getComposeState();<a name="line.347"></a> |
| <FONT color="green">348</FONT> <a name="line.348"></a> |
| <FONT color="green">349</FONT> // This should be done before addVariableName, so we don't have visibility <a name="line.349"></a> |
| <FONT color="green">350</FONT> // to the variable now being defined.<a name="line.350"></a> |
| <FONT color="green">351</FONT> java.util.Vector vnames = cstate.getVariableNames();<a name="line.351"></a> |
| <FONT color="green">352</FONT> if(null != m_selectPattern)<a name="line.352"></a> |
| <FONT color="green">353</FONT> m_selectPattern.fixupVariables(vnames, cstate.getGlobalsSize());<a name="line.353"></a> |
| <FONT color="green">354</FONT> <a name="line.354"></a> |
| <FONT color="green">355</FONT> // Only add the variable if this is not a global. If it is a global, <a name="line.355"></a> |
| <FONT color="green">356</FONT> // it was already added by stylesheet root.<a name="line.356"></a> |
| <FONT color="green">357</FONT> if(!(m_parentNode instanceof Stylesheet) && m_qname != null)<a name="line.357"></a> |
| <FONT color="green">358</FONT> {<a name="line.358"></a> |
| <FONT color="green">359</FONT> m_index = cstate.addVariableName(m_qname) - cstate.getGlobalsSize();<a name="line.359"></a> |
| <FONT color="green">360</FONT> }<a name="line.360"></a> |
| <FONT color="green">361</FONT> else if (m_parentNode instanceof Stylesheet)<a name="line.361"></a> |
| <FONT color="green">362</FONT> {<a name="line.362"></a> |
| <FONT color="green">363</FONT> // If this is a global, then we need to treat it as if it's a xsl:template, <a name="line.363"></a> |
| <FONT color="green">364</FONT> // and count the number of variables it contains. So we set the count to <a name="line.364"></a> |
| <FONT color="green">365</FONT> // zero here.<a name="line.365"></a> |
| <FONT color="green">366</FONT> cstate.resetStackFrameSize();<a name="line.366"></a> |
| <FONT color="green">367</FONT> }<a name="line.367"></a> |
| <FONT color="green">368</FONT> <a name="line.368"></a> |
| <FONT color="green">369</FONT> // This has to be done after the addVariableName, so that the variable <a name="line.369"></a> |
| <FONT color="green">370</FONT> // pushed won't be immediately popped again in endCompose.<a name="line.370"></a> |
| <FONT color="green">371</FONT> super.compose(sroot);<a name="line.371"></a> |
| <FONT color="green">372</FONT> }<a name="line.372"></a> |
| <FONT color="green">373</FONT> <a name="line.373"></a> |
| <FONT color="green">374</FONT> /**<a name="line.374"></a> |
| <FONT color="green">375</FONT> * This after the template's children have been composed. We have to get <a name="line.375"></a> |
| <FONT color="green">376</FONT> * the count of how many variables have been declared, so we can do a link <a name="line.376"></a> |
| <FONT color="green">377</FONT> * and unlink.<a name="line.377"></a> |
| <FONT color="green">378</FONT> */<a name="line.378"></a> |
| <FONT color="green">379</FONT> public void endCompose(StylesheetRoot sroot) throws TransformerException<a name="line.379"></a> |
| <FONT color="green">380</FONT> {<a name="line.380"></a> |
| <FONT color="green">381</FONT> super.endCompose(sroot);<a name="line.381"></a> |
| <FONT color="green">382</FONT> if(m_parentNode instanceof Stylesheet)<a name="line.382"></a> |
| <FONT color="green">383</FONT> {<a name="line.383"></a> |
| <FONT color="green">384</FONT> StylesheetRoot.ComposeState cstate = sroot.getComposeState();<a name="line.384"></a> |
| <FONT color="green">385</FONT> m_frameSize = cstate.getFrameSize();<a name="line.385"></a> |
| <FONT color="green">386</FONT> cstate.resetStackFrameSize();<a name="line.386"></a> |
| <FONT color="green">387</FONT> }<a name="line.387"></a> |
| <FONT color="green">388</FONT> }<a name="line.388"></a> |
| <FONT color="green">389</FONT> <a name="line.389"></a> |
| <FONT color="green">390</FONT> <a name="line.390"></a> |
| <FONT color="green">391</FONT> <a name="line.391"></a> |
| <FONT color="green">392</FONT> // /**<a name="line.392"></a> |
| <FONT color="green">393</FONT> // * This after the template's children have been composed.<a name="line.393"></a> |
| <FONT color="green">394</FONT> // */<a name="line.394"></a> |
| <FONT color="green">395</FONT> // public void endCompose() throws TransformerException<a name="line.395"></a> |
| <FONT color="green">396</FONT> // {<a name="line.396"></a> |
| <FONT color="green">397</FONT> // super.endCompose();<a name="line.397"></a> |
| <FONT color="green">398</FONT> // }<a name="line.398"></a> |
| <FONT color="green">399</FONT> <a name="line.399"></a> |
| <FONT color="green">400</FONT> <a name="line.400"></a> |
| <FONT color="green">401</FONT> /**<a name="line.401"></a> |
| <FONT color="green">402</FONT> * If the children of a variable is a single xsl:value-of or text literal, <a name="line.402"></a> |
| <FONT color="green">403</FONT> * it is cheaper to evaluate this as an expression, so try and adapt the <a name="line.403"></a> |
| <FONT color="green">404</FONT> * child an an expression.<a name="line.404"></a> |
| <FONT color="green">405</FONT> *<a name="line.405"></a> |
| <FONT color="green">406</FONT> * @param varElem Should be a ElemParam, ElemVariable, or ElemWithParam.<a name="line.406"></a> |
| <FONT color="green">407</FONT> *<a name="line.407"></a> |
| <FONT color="green">408</FONT> * @return An XPath if rewrite is possible, else null.<a name="line.408"></a> |
| <FONT color="green">409</FONT> *<a name="line.409"></a> |
| <FONT color="green">410</FONT> * @throws TransformerException<a name="line.410"></a> |
| <FONT color="green">411</FONT> */<a name="line.411"></a> |
| <FONT color="green">412</FONT> static XPath rewriteChildToExpression(ElemTemplateElement varElem)<a name="line.412"></a> |
| <FONT color="green">413</FONT> throws TransformerException<a name="line.413"></a> |
| <FONT color="green">414</FONT> {<a name="line.414"></a> |
| <FONT color="green">415</FONT> <a name="line.415"></a> |
| <FONT color="green">416</FONT> ElemTemplateElement t = varElem.getFirstChildElem();<a name="line.416"></a> |
| <FONT color="green">417</FONT> <a name="line.417"></a> |
| <FONT color="green">418</FONT> // Down the line this can be done with multiple string objects using <a name="line.418"></a> |
| <FONT color="green">419</FONT> // the concat function.<a name="line.419"></a> |
| <FONT color="green">420</FONT> if (null != t && null == t.getNextSiblingElem())<a name="line.420"></a> |
| <FONT color="green">421</FONT> {<a name="line.421"></a> |
| <FONT color="green">422</FONT> int etype = t.getXSLToken();<a name="line.422"></a> |
| <FONT color="green">423</FONT> <a name="line.423"></a> |
| <FONT color="green">424</FONT> if (Constants.ELEMNAME_VALUEOF == etype)<a name="line.424"></a> |
| <FONT color="green">425</FONT> {<a name="line.425"></a> |
| <FONT color="green">426</FONT> ElemValueOf valueof = (ElemValueOf) t;<a name="line.426"></a> |
| <FONT color="green">427</FONT> <a name="line.427"></a> |
| <FONT color="green">428</FONT> // %TBD% I'm worried about extended attributes here.<a name="line.428"></a> |
| <FONT color="green">429</FONT> if (valueof.getDisableOutputEscaping() == false<a name="line.429"></a> |
| <FONT color="green">430</FONT> && valueof.getDOMBackPointer() == null)<a name="line.430"></a> |
| <FONT color="green">431</FONT> {<a name="line.431"></a> |
| <FONT color="green">432</FONT> varElem.m_firstChild = null;<a name="line.432"></a> |
| <FONT color="green">433</FONT> <a name="line.433"></a> |
| <FONT color="green">434</FONT> return new XPath(new XRTreeFragSelectWrapper(valueof.getSelect().getExpression()));<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> else if (Constants.ELEMNAME_TEXTLITERALRESULT == etype)<a name="line.437"></a> |
| <FONT color="green">438</FONT> {<a name="line.438"></a> |
| <FONT color="green">439</FONT> ElemTextLiteral lit = (ElemTextLiteral) t;<a name="line.439"></a> |
| <FONT color="green">440</FONT> <a name="line.440"></a> |
| <FONT color="green">441</FONT> if (lit.getDisableOutputEscaping() == false<a name="line.441"></a> |
| <FONT color="green">442</FONT> && lit.getDOMBackPointer() == null)<a name="line.442"></a> |
| <FONT color="green">443</FONT> {<a name="line.443"></a> |
| <FONT color="green">444</FONT> String str = lit.getNodeValue();<a name="line.444"></a> |
| <FONT color="green">445</FONT> XString xstr = new XString(str);<a name="line.445"></a> |
| <FONT color="green">446</FONT> <a name="line.446"></a> |
| <FONT color="green">447</FONT> varElem.m_firstChild = null;<a name="line.447"></a> |
| <FONT color="green">448</FONT> <a name="line.448"></a> |
| <FONT color="green">449</FONT> return new XPath(new XRTreeFragSelectWrapper(xstr));<a name="line.449"></a> |
| <FONT color="green">450</FONT> }<a name="line.450"></a> |
| <FONT color="green">451</FONT> }<a name="line.451"></a> |
| <FONT color="green">452</FONT> }<a name="line.452"></a> |
| <FONT color="green">453</FONT> <a name="line.453"></a> |
| <FONT color="green">454</FONT> return null;<a name="line.454"></a> |
| <FONT color="green">455</FONT> }<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> * This function is called during recomposition to<a name="line.458"></a> |
| <FONT color="green">459</FONT> * control how this element is composed.<a name="line.459"></a> |
| <FONT color="green">460</FONT> * @param root The root stylesheet for this transformation.<a name="line.460"></a> |
| <FONT color="green">461</FONT> */<a name="line.461"></a> |
| <FONT color="green">462</FONT> public void recompose(StylesheetRoot root)<a name="line.462"></a> |
| <FONT color="green">463</FONT> {<a name="line.463"></a> |
| <FONT color="green">464</FONT> root.recomposeVariables(this);<a name="line.464"></a> |
| <FONT color="green">465</FONT> }<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> * Set the parent as an ElemTemplateElement.<a name="line.468"></a> |
| <FONT color="green">469</FONT> *<a name="line.469"></a> |
| <FONT color="green">470</FONT> * @param p This node's parent as an ElemTemplateElement<a name="line.470"></a> |
| <FONT color="green">471</FONT> */<a name="line.471"></a> |
| <FONT color="green">472</FONT> public void setParentElem(ElemTemplateElement p)<a name="line.472"></a> |
| <FONT color="green">473</FONT> {<a name="line.473"></a> |
| <FONT color="green">474</FONT> super.setParentElem(p);<a name="line.474"></a> |
| <FONT color="green">475</FONT> p.m_hasVariableDecl = true;<a name="line.475"></a> |
| <FONT color="green">476</FONT> }<a name="line.476"></a> |
| <FONT color="green">477</FONT> <a name="line.477"></a> |
| <FONT color="green">478</FONT> /**<a name="line.478"></a> |
| <FONT color="green">479</FONT> * Accept a visitor and call the appropriate method <a name="line.479"></a> |
| <FONT color="green">480</FONT> * for this class.<a name="line.480"></a> |
| <FONT color="green">481</FONT> * <a name="line.481"></a> |
| <FONT color="green">482</FONT> * @param visitor The visitor whose appropriate method will be called.<a name="line.482"></a> |
| <FONT color="green">483</FONT> * @return true if the children of the object should be visited.<a name="line.483"></a> |
| <FONT color="green">484</FONT> */<a name="line.484"></a> |
| <FONT color="green">485</FONT> protected boolean accept(XSLTVisitor visitor)<a name="line.485"></a> |
| <FONT color="green">486</FONT> {<a name="line.486"></a> |
| <FONT color="green">487</FONT> return visitor.visitVariableOrParamDecl(this);<a name="line.487"></a> |
| <FONT color="green">488</FONT> }<a name="line.488"></a> |
| <FONT color="green">489</FONT> <a name="line.489"></a> |
| <FONT color="green">490</FONT> <a name="line.490"></a> |
| <FONT color="green">491</FONT> /**<a name="line.491"></a> |
| <FONT color="green">492</FONT> * Call the children visitors.<a name="line.492"></a> |
| <FONT color="green">493</FONT> * @param visitor The visitor whose appropriate method will be called.<a name="line.493"></a> |
| <FONT color="green">494</FONT> */<a name="line.494"></a> |
| <FONT color="green">495</FONT> protected void callChildVisitors(XSLTVisitor visitor, boolean callAttrs)<a name="line.495"></a> |
| <FONT color="green">496</FONT> {<a name="line.496"></a> |
| <FONT color="green">497</FONT> if(null != m_selectPattern)<a name="line.497"></a> |
| <FONT color="green">498</FONT> m_selectPattern.getExpression().callVisitors(m_selectPattern, visitor);<a name="line.498"></a> |
| <FONT color="green">499</FONT> super.callChildVisitors(visitor, callAttrs);<a name="line.499"></a> |
| <FONT color="green">500</FONT> }<a name="line.500"></a> |
| <FONT color="green">501</FONT> <a name="line.501"></a> |
| <FONT color="green">502</FONT> /**<a name="line.502"></a> |
| <FONT color="green">503</FONT> * Tell if this is a psuedo variable reference, declared by Xalan instead <a name="line.503"></a> |
| <FONT color="green">504</FONT> * of by the user.<a name="line.504"></a> |
| <FONT color="green">505</FONT> */<a name="line.505"></a> |
| <FONT color="green">506</FONT> public boolean isPsuedoVar()<a name="line.506"></a> |
| <FONT color="green">507</FONT> {<a name="line.507"></a> |
| <FONT color="green">508</FONT> java.lang.String ns = m_qname.getNamespaceURI();<a name="line.508"></a> |
| <FONT color="green">509</FONT> if((null != ns) && ns.equals(RedundentExprEliminator.PSUEDOVARNAMESPACE))<a name="line.509"></a> |
| <FONT color="green">510</FONT> {<a name="line.510"></a> |
| <FONT color="green">511</FONT> if(m_qname.getLocalName().startsWith("#"))<a name="line.511"></a> |
| <FONT color="green">512</FONT> return true;<a name="line.512"></a> |
| <FONT color="green">513</FONT> }<a name="line.513"></a> |
| <FONT color="green">514</FONT> return false;<a name="line.514"></a> |
| <FONT color="green">515</FONT> }<a name="line.515"></a> |
| <FONT color="green">516</FONT> <a name="line.516"></a> |
| <FONT color="green">517</FONT> /**<a name="line.517"></a> |
| <FONT color="green">518</FONT> * Add a child to the child list. If the select attribute<a name="line.518"></a> |
| <FONT color="green">519</FONT> * is present, an error will be raised.<a name="line.519"></a> |
| <FONT color="green">520</FONT> *<a name="line.520"></a> |
| <FONT color="green">521</FONT> * @param elem New element to append to this element's children list<a name="line.521"></a> |
| <FONT color="green">522</FONT> *<a name="line.522"></a> |
| <FONT color="green">523</FONT> * @return null if the select attribute was present, otherwise the <a name="line.523"></a> |
| <FONT color="green">524</FONT> * child just added to the child list <a name="line.524"></a> |
| <FONT color="green">525</FONT> */<a name="line.525"></a> |
| <FONT color="green">526</FONT> public ElemTemplateElement appendChild(ElemTemplateElement elem)<a name="line.526"></a> |
| <FONT color="green">527</FONT> {<a name="line.527"></a> |
| <FONT color="green">528</FONT> // cannot have content and select<a name="line.528"></a> |
| <FONT color="green">529</FONT> if (m_selectPattern != null)<a name="line.529"></a> |
| <FONT color="green">530</FONT> {<a name="line.530"></a> |
| <FONT color="green">531</FONT> error(XSLTErrorResources.ER_CANT_HAVE_CONTENT_AND_SELECT, <a name="line.531"></a> |
| <FONT color="green">532</FONT> new Object[]{"xsl:" + this.getNodeName()});<a name="line.532"></a> |
| <FONT color="green">533</FONT> return null;<a name="line.533"></a> |
| <FONT color="green">534</FONT> }<a name="line.534"></a> |
| <FONT color="green">535</FONT> return super.appendChild(elem);<a name="line.535"></a> |
| <FONT color="green">536</FONT> }<a name="line.536"></a> |
| <FONT color="green">537</FONT> <a name="line.537"></a> |
| <FONT color="green">538</FONT> }<a name="line.538"></a> |
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| </PRE> |
| </BODY> |
| </HTML> |
