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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: LiteralElement.java 669372 2008-06-19 03:39:52Z zongaro $<a name="line.19"></a> |
| <FONT color="green">020</FONT> */<a name="line.20"></a> |
| <FONT color="green">021</FONT> <a name="line.21"></a> |
| <FONT color="green">022</FONT> package org.apache.xalan.xsltc.compiler;<a name="line.22"></a> |
| <FONT color="green">023</FONT> <a name="line.23"></a> |
| <FONT color="green">024</FONT> import java.util.Enumeration;<a name="line.24"></a> |
| <FONT color="green">025</FONT> import java.util.Hashtable;<a name="line.25"></a> |
| <FONT color="green">026</FONT> import java.util.Vector;<a name="line.26"></a> |
| <FONT color="green">027</FONT> <a name="line.27"></a> |
| <FONT color="green">028</FONT> import org.apache.bcel.generic.ConstantPoolGen;<a name="line.28"></a> |
| <FONT color="green">029</FONT> import org.apache.bcel.generic.InstructionList;<a name="line.29"></a> |
| <FONT color="green">030</FONT> import org.apache.bcel.generic.PUSH;<a name="line.30"></a> |
| <FONT color="green">031</FONT> import org.apache.xalan.xsltc.compiler.util.ClassGenerator;<a name="line.31"></a> |
| <FONT color="green">032</FONT> import org.apache.xalan.xsltc.compiler.util.ErrorMsg;<a name="line.32"></a> |
| <FONT color="green">033</FONT> import org.apache.xalan.xsltc.compiler.util.MethodGenerator;<a name="line.33"></a> |
| <FONT color="green">034</FONT> import org.apache.xalan.xsltc.compiler.util.Type;<a name="line.34"></a> |
| <FONT color="green">035</FONT> import org.apache.xalan.xsltc.compiler.util.TypeCheckError;<a name="line.35"></a> |
| <FONT color="green">036</FONT> import org.apache.xalan.xsltc.compiler.util.Util;<a name="line.36"></a> |
| <FONT color="green">037</FONT> <a name="line.37"></a> |
| <FONT color="green">038</FONT> import org.apache.xml.serializer.ElemDesc;<a name="line.38"></a> |
| <FONT color="green">039</FONT> import org.apache.xml.serializer.ToHTMLStream;<a name="line.39"></a> |
| <FONT color="green">040</FONT> <a name="line.40"></a> |
| <FONT color="green">041</FONT> /**<a name="line.41"></a> |
| <FONT color="green">042</FONT> * @author Jacek Ambroziak<a name="line.42"></a> |
| <FONT color="green">043</FONT> * @author Santiago Pericas-Geertsen<a name="line.43"></a> |
| <FONT color="green">044</FONT> * @author Morten Jorgensen<a name="line.44"></a> |
| <FONT color="green">045</FONT> */<a name="line.45"></a> |
| <FONT color="green">046</FONT> final class LiteralElement extends Instruction {<a name="line.46"></a> |
| <FONT color="green">047</FONT> <a name="line.47"></a> |
| <FONT color="green">048</FONT> private String _name;<a name="line.48"></a> |
| <FONT color="green">049</FONT> private LiteralElement _literalElemParent = null;<a name="line.49"></a> |
| <FONT color="green">050</FONT> private Vector _attributeElements = null;<a name="line.50"></a> |
| <FONT color="green">051</FONT> private Hashtable _accessedPrefixes = null;<a name="line.51"></a> |
| <FONT color="green">052</FONT> <a name="line.52"></a> |
| <FONT color="green">053</FONT> // True if all attributes of this LRE are unique, i.e. they all have<a name="line.53"></a> |
| <FONT color="green">054</FONT> // different names. This flag is set to false if some attribute<a name="line.54"></a> |
| <FONT color="green">055</FONT> // names are not known at compile time.<a name="line.55"></a> |
| <FONT color="green">056</FONT> private boolean _allAttributesUnique = false;<a name="line.56"></a> |
| <FONT color="green">057</FONT> <a name="line.57"></a> |
| <FONT color="green">058</FONT> private final static String XMLNS_STRING = "xmlns";<a name="line.58"></a> |
| <FONT color="green">059</FONT> <a name="line.59"></a> |
| <FONT color="green">060</FONT> /**<a name="line.60"></a> |
| <FONT color="green">061</FONT> * Returns the QName for this literal element<a name="line.61"></a> |
| <FONT color="green">062</FONT> */<a name="line.62"></a> |
| <FONT color="green">063</FONT> public QName getName() {<a name="line.63"></a> |
| <FONT color="green">064</FONT> return _qname;<a name="line.64"></a> |
| <FONT color="green">065</FONT> }<a name="line.65"></a> |
| <FONT color="green">066</FONT> <a name="line.66"></a> |
| <FONT color="green">067</FONT> /**<a name="line.67"></a> |
| <FONT color="green">068</FONT> * Displays the contents of this literal element<a name="line.68"></a> |
| <FONT color="green">069</FONT> */<a name="line.69"></a> |
| <FONT color="green">070</FONT> public void display(int indent) {<a name="line.70"></a> |
| <FONT color="green">071</FONT> indent(indent);<a name="line.71"></a> |
| <FONT color="green">072</FONT> Util.println("LiteralElement name = " + _name);<a name="line.72"></a> |
| <FONT color="green">073</FONT> displayContents(indent + IndentIncrement);<a name="line.73"></a> |
| <FONT color="green">074</FONT> }<a name="line.74"></a> |
| <FONT color="green">075</FONT> <a name="line.75"></a> |
| <FONT color="green">076</FONT> /**<a name="line.76"></a> |
| <FONT color="green">077</FONT> * Returns the namespace URI for which a prefix is pointing to<a name="line.77"></a> |
| <FONT color="green">078</FONT> */<a name="line.78"></a> |
| <FONT color="green">079</FONT> private String accessedNamespace(String prefix) {<a name="line.79"></a> |
| <FONT color="green">080</FONT> if (_literalElemParent != null) {<a name="line.80"></a> |
| <FONT color="green">081</FONT> String result = _literalElemParent.accessedNamespace(prefix);<a name="line.81"></a> |
| <FONT color="green">082</FONT> if (result != null) {<a name="line.82"></a> |
| <FONT color="green">083</FONT> return result;<a name="line.83"></a> |
| <FONT color="green">084</FONT> }<a name="line.84"></a> |
| <FONT color="green">085</FONT> } <a name="line.85"></a> |
| <FONT color="green">086</FONT> return _accessedPrefixes != null ? <a name="line.86"></a> |
| <FONT color="green">087</FONT> (String) _accessedPrefixes.get(prefix) : null;<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> * Method used to keep track of what namespaces that are references by<a name="line.91"></a> |
| <FONT color="green">092</FONT> * this literal element and its attributes. The output must contain a<a name="line.92"></a> |
| <FONT color="green">093</FONT> * definition for each namespace, so we stuff them in a hashtable.<a name="line.93"></a> |
| <FONT color="green">094</FONT> */<a name="line.94"></a> |
| <FONT color="green">095</FONT> public void registerNamespace(String prefix, String uri,<a name="line.95"></a> |
| <FONT color="green">096</FONT> SymbolTable stable, boolean declared) {<a name="line.96"></a> |
| <FONT color="green">097</FONT> <a name="line.97"></a> |
| <FONT color="green">098</FONT> // Check if the parent has a declaration for this namespace<a name="line.98"></a> |
| <FONT color="green">099</FONT> if (_literalElemParent != null) {<a name="line.99"></a> |
| <FONT color="green">100</FONT> final String parentUri = _literalElemParent.accessedNamespace(prefix);<a name="line.100"></a> |
| <FONT color="green">101</FONT> if (parentUri != null && parentUri.equals(uri)) {<a name="line.101"></a> |
| <FONT color="green">102</FONT> return;<a name="line.102"></a> |
| <FONT color="green">103</FONT> }<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> // Check if we have any declared namesaces<a name="line.106"></a> |
| <FONT color="green">107</FONT> if (_accessedPrefixes == null) {<a name="line.107"></a> |
| <FONT color="green">108</FONT> _accessedPrefixes = new Hashtable();<a name="line.108"></a> |
| <FONT color="green">109</FONT> }<a name="line.109"></a> |
| <FONT color="green">110</FONT> else {<a name="line.110"></a> |
| <FONT color="green">111</FONT> if (!declared) {<a name="line.111"></a> |
| <FONT color="green">112</FONT> // Check if this node has a declaration for this namespace<a name="line.112"></a> |
| <FONT color="green">113</FONT> final String old = (String)_accessedPrefixes.get(prefix);<a name="line.113"></a> |
| <FONT color="green">114</FONT> if (old != null) {<a name="line.114"></a> |
| <FONT color="green">115</FONT> if (old.equals(uri))<a name="line.115"></a> |
| <FONT color="green">116</FONT> return;<a name="line.116"></a> |
| <FONT color="green">117</FONT> else <a name="line.117"></a> |
| <FONT color="green">118</FONT> prefix = stable.generateNamespacePrefix();<a name="line.118"></a> |
| <FONT color="green">119</FONT> }<a name="line.119"></a> |
| <FONT color="green">120</FONT> }<a name="line.120"></a> |
| <FONT color="green">121</FONT> }<a name="line.121"></a> |
| <FONT color="green">122</FONT> <a name="line.122"></a> |
| <FONT color="green">123</FONT> if (!prefix.equals("xml")) {<a name="line.123"></a> |
| <FONT color="green">124</FONT> _accessedPrefixes.put(prefix,uri);<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> <a name="line.127"></a> |
| <FONT color="green">128</FONT> /**<a name="line.128"></a> |
| <FONT color="green">129</FONT> * Translates the prefix of a QName according to the rules set in<a name="line.129"></a> |
| <FONT color="green">130</FONT> * the attributes of xsl:stylesheet. Also registers a QName to assure<a name="line.130"></a> |
| <FONT color="green">131</FONT> * that the output element contains the necessary namespace declarations.<a name="line.131"></a> |
| <FONT color="green">132</FONT> */<a name="line.132"></a> |
| <FONT color="green">133</FONT> private String translateQName(QName qname, SymbolTable stable) {<a name="line.133"></a> |
| <FONT color="green">134</FONT> // Break up the QName and get prefix:localname strings<a name="line.134"></a> |
| <FONT color="green">135</FONT> String localname = qname.getLocalPart();<a name="line.135"></a> |
| <FONT color="green">136</FONT> String prefix = qname.getPrefix();<a name="line.136"></a> |
| <FONT color="green">137</FONT> <a name="line.137"></a> |
| <FONT color="green">138</FONT> // Treat default namespace as "" and not null<a name="line.138"></a> |
| <FONT color="green">139</FONT> if (prefix == null)<a name="line.139"></a> |
| <FONT color="green">140</FONT> prefix = Constants.EMPTYSTRING;<a name="line.140"></a> |
| <FONT color="green">141</FONT> else if (prefix.equals(XMLNS_STRING))<a name="line.141"></a> |
| <FONT color="green">142</FONT> return(XMLNS_STRING);<a name="line.142"></a> |
| <FONT color="green">143</FONT> <a name="line.143"></a> |
| <FONT color="green">144</FONT> // Check if we must translate the prefix<a name="line.144"></a> |
| <FONT color="green">145</FONT> final String alternative = stable.lookupPrefixAlias(prefix);<a name="line.145"></a> |
| <FONT color="green">146</FONT> if (alternative != null) {<a name="line.146"></a> |
| <FONT color="green">147</FONT> stable.excludeNamespaces(prefix);<a name="line.147"></a> |
| <FONT color="green">148</FONT> prefix = alternative;<a name="line.148"></a> |
| <FONT color="green">149</FONT> }<a name="line.149"></a> |
| <FONT color="green">150</FONT> <a name="line.150"></a> |
| <FONT color="green">151</FONT> // Get the namespace this prefix refers to<a name="line.151"></a> |
| <FONT color="green">152</FONT> String uri = lookupNamespace(prefix);<a name="line.152"></a> |
| <FONT color="green">153</FONT> if (uri == null) return(localname);<a name="line.153"></a> |
| <FONT color="green">154</FONT> <a name="line.154"></a> |
| <FONT color="green">155</FONT> // Register the namespace as accessed<a name="line.155"></a> |
| <FONT color="green">156</FONT> registerNamespace(prefix, uri, stable, false);<a name="line.156"></a> |
| <FONT color="green">157</FONT> <a name="line.157"></a> |
| <FONT color="green">158</FONT> // Construct the new name for the element (may be unchanged)<a name="line.158"></a> |
| <FONT color="green">159</FONT> if (prefix != Constants.EMPTYSTRING)<a name="line.159"></a> |
| <FONT color="green">160</FONT> return(prefix+":"+localname);<a name="line.160"></a> |
| <FONT color="green">161</FONT> else<a name="line.161"></a> |
| <FONT color="green">162</FONT> return(localname);<a name="line.162"></a> |
| <FONT color="green">163</FONT> }<a name="line.163"></a> |
| <FONT color="green">164</FONT> <a name="line.164"></a> |
| <FONT color="green">165</FONT> /**<a name="line.165"></a> |
| <FONT color="green">166</FONT> * Add an attribute to this element<a name="line.166"></a> |
| <FONT color="green">167</FONT> */<a name="line.167"></a> |
| <FONT color="green">168</FONT> public void addAttribute(SyntaxTreeNode attribute) {<a name="line.168"></a> |
| <FONT color="green">169</FONT> if (_attributeElements == null) {<a name="line.169"></a> |
| <FONT color="green">170</FONT> _attributeElements = new Vector(2);<a name="line.170"></a> |
| <FONT color="green">171</FONT> }<a name="line.171"></a> |
| <FONT color="green">172</FONT> _attributeElements.add(attribute);<a name="line.172"></a> |
| <FONT color="green">173</FONT> }<a name="line.173"></a> |
| <FONT color="green">174</FONT> <a name="line.174"></a> |
| <FONT color="green">175</FONT> /**<a name="line.175"></a> |
| <FONT color="green">176</FONT> * Set the first attribute of this element<a name="line.176"></a> |
| <FONT color="green">177</FONT> */<a name="line.177"></a> |
| <FONT color="green">178</FONT> public void setFirstAttribute(SyntaxTreeNode attribute) {<a name="line.178"></a> |
| <FONT color="green">179</FONT> if (_attributeElements == null) {<a name="line.179"></a> |
| <FONT color="green">180</FONT> _attributeElements = new Vector(2);<a name="line.180"></a> |
| <FONT color="green">181</FONT> }<a name="line.181"></a> |
| <FONT color="green">182</FONT> _attributeElements.insertElementAt(attribute,0);<a name="line.182"></a> |
| <FONT color="green">183</FONT> }<a name="line.183"></a> |
| <FONT color="green">184</FONT> <a name="line.184"></a> |
| <FONT color="green">185</FONT> /**<a name="line.185"></a> |
| <FONT color="green">186</FONT> * Type-check the contents of this element. The element itself does not<a name="line.186"></a> |
| <FONT color="green">187</FONT> * need any type checking as it leaves nothign on the JVM's stack.<a name="line.187"></a> |
| <FONT color="green">188</FONT> */<a name="line.188"></a> |
| <FONT color="green">189</FONT> public Type typeCheck(SymbolTable stable) throws TypeCheckError {<a name="line.189"></a> |
| <FONT color="green">190</FONT> // Type-check all attributes<a name="line.190"></a> |
| <FONT color="green">191</FONT> if (_attributeElements != null) {<a name="line.191"></a> |
| <FONT color="green">192</FONT> final int count = _attributeElements.size();<a name="line.192"></a> |
| <FONT color="green">193</FONT> for (int i = 0; i < count; i++) {<a name="line.193"></a> |
| <FONT color="green">194</FONT> SyntaxTreeNode node = <a name="line.194"></a> |
| <FONT color="green">195</FONT> (SyntaxTreeNode)_attributeElements.elementAt(i);<a name="line.195"></a> |
| <FONT color="green">196</FONT> node.typeCheck(stable);<a name="line.196"></a> |
| <FONT color="green">197</FONT> }<a name="line.197"></a> |
| <FONT color="green">198</FONT> }<a name="line.198"></a> |
| <FONT color="green">199</FONT> typeCheckContents(stable);<a name="line.199"></a> |
| <FONT color="green">200</FONT> return Type.Void;<a name="line.200"></a> |
| <FONT color="green">201</FONT> }<a name="line.201"></a> |
| <FONT color="green">202</FONT> <a name="line.202"></a> |
| <FONT color="green">203</FONT> /**<a name="line.203"></a> |
| <FONT color="green">204</FONT> * This method starts at a given node, traverses all namespace mappings,<a name="line.204"></a> |
| <FONT color="green">205</FONT> * and assembles a list of all prefixes that (for the given node) maps<a name="line.205"></a> |
| <FONT color="green">206</FONT> * to _ANY_ namespace URI. Used by literal result elements to determine<a name="line.206"></a> |
| <FONT color="green">207</FONT> */<a name="line.207"></a> |
| <FONT color="green">208</FONT> public Enumeration getNamespaceScope(SyntaxTreeNode node) {<a name="line.208"></a> |
| <FONT color="green">209</FONT> Hashtable all = new Hashtable();<a name="line.209"></a> |
| <FONT color="green">210</FONT> <a name="line.210"></a> |
| <FONT color="green">211</FONT> while (node != null) {<a name="line.211"></a> |
| <FONT color="green">212</FONT> Hashtable mapping = node.getPrefixMapping();<a name="line.212"></a> |
| <FONT color="green">213</FONT> if (mapping != null) {<a name="line.213"></a> |
| <FONT color="green">214</FONT> Enumeration prefixes = mapping.keys();<a name="line.214"></a> |
| <FONT color="green">215</FONT> while (prefixes.hasMoreElements()) {<a name="line.215"></a> |
| <FONT color="green">216</FONT> String prefix = (String)prefixes.nextElement();<a name="line.216"></a> |
| <FONT color="green">217</FONT> if (!all.containsKey(prefix)) {<a name="line.217"></a> |
| <FONT color="green">218</FONT> all.put(prefix, mapping.get(prefix));<a name="line.218"></a> |
| <FONT color="green">219</FONT> }<a name="line.219"></a> |
| <FONT color="green">220</FONT> }<a name="line.220"></a> |
| <FONT color="green">221</FONT> }<a name="line.221"></a> |
| <FONT color="green">222</FONT> node = node.getParent();<a name="line.222"></a> |
| <FONT color="green">223</FONT> }<a name="line.223"></a> |
| <FONT color="green">224</FONT> return(all.keys());<a name="line.224"></a> |
| <FONT color="green">225</FONT> }<a name="line.225"></a> |
| <FONT color="green">226</FONT> <a name="line.226"></a> |
| <FONT color="green">227</FONT> /**<a name="line.227"></a> |
| <FONT color="green">228</FONT> * Determines the final QName for the element and its attributes.<a name="line.228"></a> |
| <FONT color="green">229</FONT> * Registers all namespaces that are used by the element/attributes<a name="line.229"></a> |
| <FONT color="green">230</FONT> */<a name="line.230"></a> |
| <FONT color="green">231</FONT> public void parseContents(Parser parser) {<a name="line.231"></a> |
| <FONT color="green">232</FONT> final SymbolTable stable = parser.getSymbolTable();<a name="line.232"></a> |
| <FONT color="green">233</FONT> stable.setCurrentNode(this);<a name="line.233"></a> |
| <FONT color="green">234</FONT> <a name="line.234"></a> |
| <FONT color="green">235</FONT> // Check if in a literal element context<a name="line.235"></a> |
| <FONT color="green">236</FONT> SyntaxTreeNode parent = getParent();<a name="line.236"></a> |
| <FONT color="green">237</FONT> if (parent != null && parent instanceof LiteralElement) {<a name="line.237"></a> |
| <FONT color="green">238</FONT> _literalElemParent = (LiteralElement) parent;<a name="line.238"></a> |
| <FONT color="green">239</FONT> }<a name="line.239"></a> |
| <FONT color="green">240</FONT> <a name="line.240"></a> |
| <FONT color="green">241</FONT> _name = translateQName(_qname, stable);<a name="line.241"></a> |
| <FONT color="green">242</FONT> <a name="line.242"></a> |
| <FONT color="green">243</FONT> // Process all attributes and register all namespaces they use<a name="line.243"></a> |
| <FONT color="green">244</FONT> final int count = _attributes.getLength();<a name="line.244"></a> |
| <FONT color="green">245</FONT> for (int i = 0; i < count; i++) {<a name="line.245"></a> |
| <FONT color="green">246</FONT> final QName qname = parser.getQName(_attributes.getQName(i));<a name="line.246"></a> |
| <FONT color="green">247</FONT> final String uri = qname.getNamespace();<a name="line.247"></a> |
| <FONT color="green">248</FONT> final String val = _attributes.getValue(i);<a name="line.248"></a> |
| <FONT color="green">249</FONT> <a name="line.249"></a> |
| <FONT color="green">250</FONT> // Handle xsl:use-attribute-sets. Attribute sets are placed first<a name="line.250"></a> |
| <FONT color="green">251</FONT> // in the vector or attributes to make sure that later local<a name="line.251"></a> |
| <FONT color="green">252</FONT> // attributes can override an attributes in the set.<a name="line.252"></a> |
| <FONT color="green">253</FONT> if (qname.equals(parser.getUseAttributeSets())) {<a name="line.253"></a> |
| <FONT color="green">254</FONT> if (!Util.isValidQNames(val)) {<a name="line.254"></a> |
| <FONT color="green">255</FONT> ErrorMsg err = new ErrorMsg(ErrorMsg.INVALID_QNAME_ERR, val, this);<a name="line.255"></a> |
| <FONT color="green">256</FONT> parser.reportError(Constants.ERROR, err); <a name="line.256"></a> |
| <FONT color="green">257</FONT> }<a name="line.257"></a> |
| <FONT color="green">258</FONT> setFirstAttribute(new UseAttributeSets(val, parser));<a name="line.258"></a> |
| <FONT color="green">259</FONT> }<a name="line.259"></a> |
| <FONT color="green">260</FONT> // Handle xsl:extension-element-prefixes<a name="line.260"></a> |
| <FONT color="green">261</FONT> else if (qname.equals(parser.getExtensionElementPrefixes())) {<a name="line.261"></a> |
| <FONT color="green">262</FONT> stable.excludeNamespaces(val);<a name="line.262"></a> |
| <FONT color="green">263</FONT> }<a name="line.263"></a> |
| <FONT color="green">264</FONT> // Handle xsl:exclude-result-prefixes<a name="line.264"></a> |
| <FONT color="green">265</FONT> else if (qname.equals(parser.getExcludeResultPrefixes())) {<a name="line.265"></a> |
| <FONT color="green">266</FONT> stable.excludeNamespaces(val);<a name="line.266"></a> |
| <FONT color="green">267</FONT> }<a name="line.267"></a> |
| <FONT color="green">268</FONT> else {<a name="line.268"></a> |
| <FONT color="green">269</FONT> // Ignore special attributes (e.g. xmlns:prefix and xmlns)<a name="line.269"></a> |
| <FONT color="green">270</FONT> final String prefix = qname.getPrefix();<a name="line.270"></a> |
| <FONT color="green">271</FONT> if (prefix != null && prefix.equals(XMLNS_PREFIX) ||<a name="line.271"></a> |
| <FONT color="green">272</FONT> prefix == null && qname.getLocalPart().equals("xmlns") ||<a name="line.272"></a> |
| <FONT color="green">273</FONT> uri != null && uri.equals(XSLT_URI))<a name="line.273"></a> |
| <FONT color="green">274</FONT> {<a name="line.274"></a> |
| <FONT color="green">275</FONT> continue; <a name="line.275"></a> |
| <FONT color="green">276</FONT> }<a name="line.276"></a> |
| <FONT color="green">277</FONT> <a name="line.277"></a> |
| <FONT color="green">278</FONT> // Handle all other literal attributes<a name="line.278"></a> |
| <FONT color="green">279</FONT> final String name = translateQName(qname, stable);<a name="line.279"></a> |
| <FONT color="green">280</FONT> LiteralAttribute attr = new LiteralAttribute(name, val, parser, this);<a name="line.280"></a> |
| <FONT color="green">281</FONT> addAttribute(attr);<a name="line.281"></a> |
| <FONT color="green">282</FONT> attr.setParent(this);<a name="line.282"></a> |
| <FONT color="green">283</FONT> attr.parseContents(parser);<a name="line.283"></a> |
| <FONT color="green">284</FONT> }<a name="line.284"></a> |
| <FONT color="green">285</FONT> }<a name="line.285"></a> |
| <FONT color="green">286</FONT> <a name="line.286"></a> |
| <FONT color="green">287</FONT> // Register all namespaces that are in scope, except for those that<a name="line.287"></a> |
| <FONT color="green">288</FONT> // are listed in the xsl:stylesheet element's *-prefixes attributes<a name="line.288"></a> |
| <FONT color="green">289</FONT> final Enumeration include = getNamespaceScope(this);<a name="line.289"></a> |
| <FONT color="green">290</FONT> while (include.hasMoreElements()) {<a name="line.290"></a> |
| <FONT color="green">291</FONT> final String prefix = (String)include.nextElement();<a name="line.291"></a> |
| <FONT color="green">292</FONT> if (!prefix.equals("xml")) {<a name="line.292"></a> |
| <FONT color="green">293</FONT> final String uri = lookupNamespace(prefix);<a name="line.293"></a> |
| <FONT color="green">294</FONT> if (uri != null && !stable.isExcludedNamespace(uri)) {<a name="line.294"></a> |
| <FONT color="green">295</FONT> registerNamespace(prefix, uri, stable, true);<a name="line.295"></a> |
| <FONT color="green">296</FONT> }<a name="line.296"></a> |
| <FONT color="green">297</FONT> }<a name="line.297"></a> |
| <FONT color="green">298</FONT> }<a name="line.298"></a> |
| <FONT color="green">299</FONT> <a name="line.299"></a> |
| <FONT color="green">300</FONT> parseChildren(parser);<a name="line.300"></a> |
| <FONT color="green">301</FONT> <a name="line.301"></a> |
| <FONT color="green">302</FONT> // Process all attributes and register all namespaces they use<a name="line.302"></a> |
| <FONT color="green">303</FONT> for (int i = 0; i < count; i++) {<a name="line.303"></a> |
| <FONT color="green">304</FONT> final QName qname = parser.getQName(_attributes.getQName(i));<a name="line.304"></a> |
| <FONT color="green">305</FONT> final String val = _attributes.getValue(i);<a name="line.305"></a> |
| <FONT color="green">306</FONT> <a name="line.306"></a> |
| <FONT color="green">307</FONT> // Handle xsl:extension-element-prefixes<a name="line.307"></a> |
| <FONT color="green">308</FONT> if (qname.equals(parser.getExtensionElementPrefixes())) {<a name="line.308"></a> |
| <FONT color="green">309</FONT> stable.unExcludeNamespaces(val);<a name="line.309"></a> |
| <FONT color="green">310</FONT> }<a name="line.310"></a> |
| <FONT color="green">311</FONT> // Handle xsl:exclude-result-prefixes<a name="line.311"></a> |
| <FONT color="green">312</FONT> else if (qname.equals(parser.getExcludeResultPrefixes())) {<a name="line.312"></a> |
| <FONT color="green">313</FONT> stable.unExcludeNamespaces(val);<a name="line.313"></a> |
| <FONT color="green">314</FONT> }<a name="line.314"></a> |
| <FONT color="green">315</FONT> }<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> protected boolean contextDependent() {<a name="line.318"></a> |
| <FONT color="green">319</FONT> return dependentContents();<a name="line.319"></a> |
| <FONT color="green">320</FONT> }<a name="line.320"></a> |
| <FONT color="green">321</FONT> <a name="line.321"></a> |
| <FONT color="green">322</FONT> /**<a name="line.322"></a> |
| <FONT color="green">323</FONT> * Compiles code that emits the literal element to the output handler,<a name="line.323"></a> |
| <FONT color="green">324</FONT> * first the start tag, then namespace declaration, then attributes,<a name="line.324"></a> |
| <FONT color="green">325</FONT> * then the element contents, and then the element end tag. Since the<a name="line.325"></a> |
| <FONT color="green">326</FONT> * value of an attribute may depend on a variable, variables must be<a name="line.326"></a> |
| <FONT color="green">327</FONT> * compiled first.<a name="line.327"></a> |
| <FONT color="green">328</FONT> */<a name="line.328"></a> |
| <FONT color="green">329</FONT> public void translate(ClassGenerator classGen, MethodGenerator methodGen) {<a name="line.329"></a> |
| <FONT color="green">330</FONT> <a name="line.330"></a> |
| <FONT color="green">331</FONT> final ConstantPoolGen cpg = classGen.getConstantPool();<a name="line.331"></a> |
| <FONT color="green">332</FONT> final InstructionList il = methodGen.getInstructionList();<a name="line.332"></a> |
| <FONT color="green">333</FONT> <a name="line.333"></a> |
| <FONT color="green">334</FONT> // Check whether all attributes are unique.<a name="line.334"></a> |
| <FONT color="green">335</FONT> _allAttributesUnique = checkAttributesUnique();<a name="line.335"></a> |
| <FONT color="green">336</FONT> <a name="line.336"></a> |
| <FONT color="green">337</FONT> // Compile code to emit element start tag<a name="line.337"></a> |
| <FONT color="green">338</FONT> il.append(methodGen.loadHandler());<a name="line.338"></a> |
| <FONT color="green">339</FONT> <a name="line.339"></a> |
| <FONT color="green">340</FONT> il.append(new PUSH(cpg, _name));<a name="line.340"></a> |
| <FONT color="green">341</FONT> il.append(DUP2); // duplicate these 2 args for endElement<a name="line.341"></a> |
| <FONT color="green">342</FONT> il.append(methodGen.startElement());<a name="line.342"></a> |
| <FONT color="green">343</FONT> <a name="line.343"></a> |
| <FONT color="green">344</FONT> // The value of an attribute may depend on a (sibling) variable<a name="line.344"></a> |
| <FONT color="green">345</FONT> int j=0;<a name="line.345"></a> |
| <FONT color="green">346</FONT> while (j < elementCount()) {<a name="line.346"></a> |
| <FONT color="green">347</FONT> final SyntaxTreeNode item = (SyntaxTreeNode) elementAt(j);<a name="line.347"></a> |
| <FONT color="green">348</FONT> if (item instanceof Variable) {<a name="line.348"></a> |
| <FONT color="green">349</FONT> item.translate(classGen, methodGen);<a name="line.349"></a> |
| <FONT color="green">350</FONT> }<a name="line.350"></a> |
| <FONT color="green">351</FONT> j++;<a name="line.351"></a> |
| <FONT color="green">352</FONT> }<a name="line.352"></a> |
| <FONT color="green">353</FONT> <a name="line.353"></a> |
| <FONT color="green">354</FONT> // Compile code to emit namespace attributes<a name="line.354"></a> |
| <FONT color="green">355</FONT> if (_accessedPrefixes != null) {<a name="line.355"></a> |
| <FONT color="green">356</FONT> boolean declaresDefaultNS = false;<a name="line.356"></a> |
| <FONT color="green">357</FONT> Enumeration e = _accessedPrefixes.keys();<a name="line.357"></a> |
| <FONT color="green">358</FONT> <a name="line.358"></a> |
| <FONT color="green">359</FONT> while (e.hasMoreElements()) {<a name="line.359"></a> |
| <FONT color="green">360</FONT> final String prefix = (String)e.nextElement();<a name="line.360"></a> |
| <FONT color="green">361</FONT> final String uri = (String)_accessedPrefixes.get(prefix);<a name="line.361"></a> |
| <FONT color="green">362</FONT> <a name="line.362"></a> |
| <FONT color="green">363</FONT> if (uri != Constants.EMPTYSTRING || <a name="line.363"></a> |
| <FONT color="green">364</FONT> prefix != Constants.EMPTYSTRING) <a name="line.364"></a> |
| <FONT color="green">365</FONT> {<a name="line.365"></a> |
| <FONT color="green">366</FONT> if (prefix == Constants.EMPTYSTRING) {<a name="line.366"></a> |
| <FONT color="green">367</FONT> declaresDefaultNS = true;<a name="line.367"></a> |
| <FONT color="green">368</FONT> }<a name="line.368"></a> |
| <FONT color="green">369</FONT> il.append(methodGen.loadHandler());<a name="line.369"></a> |
| <FONT color="green">370</FONT> il.append(new PUSH(cpg,prefix));<a name="line.370"></a> |
| <FONT color="green">371</FONT> il.append(new PUSH(cpg,uri));<a name="line.371"></a> |
| <FONT color="green">372</FONT> il.append(methodGen.namespace());<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> <a name="line.375"></a> |
| <FONT color="green">376</FONT> /* <a name="line.376"></a> |
| <FONT color="green">377</FONT> * If our XslElement parent redeclares the default NS, and this<a name="line.377"></a> |
| <FONT color="green">378</FONT> * element doesn't, it must be redeclared one more time.<a name="line.378"></a> |
| <FONT color="green">379</FONT> */<a name="line.379"></a> |
| <FONT color="green">380</FONT> if (!declaresDefaultNS && (_parent instanceof XslElement)<a name="line.380"></a> |
| <FONT color="green">381</FONT> && ((XslElement) _parent).declaresDefaultNS()) <a name="line.381"></a> |
| <FONT color="green">382</FONT> {<a name="line.382"></a> |
| <FONT color="green">383</FONT> il.append(methodGen.loadHandler());<a name="line.383"></a> |
| <FONT color="green">384</FONT> il.append(new PUSH(cpg, Constants.EMPTYSTRING));<a name="line.384"></a> |
| <FONT color="green">385</FONT> il.append(new PUSH(cpg, Constants.EMPTYSTRING));<a name="line.385"></a> |
| <FONT color="green">386</FONT> il.append(methodGen.namespace());<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> // Output all attributes<a name="line.390"></a> |
| <FONT color="green">391</FONT> if (_attributeElements != null) {<a name="line.391"></a> |
| <FONT color="green">392</FONT> final int count = _attributeElements.size();<a name="line.392"></a> |
| <FONT color="green">393</FONT> for (int i = 0; i < count; i++) {<a name="line.393"></a> |
| <FONT color="green">394</FONT> SyntaxTreeNode node = <a name="line.394"></a> |
| <FONT color="green">395</FONT> (SyntaxTreeNode)_attributeElements.elementAt(i);<a name="line.395"></a> |
| <FONT color="green">396</FONT> if (!(node instanceof XslAttribute)) {<a name="line.396"></a> |
| <FONT color="green">397</FONT> node.translate(classGen, methodGen);<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> // Compile code to emit attributes and child elements<a name="line.402"></a> |
| <FONT color="green">403</FONT> translateContents(classGen, methodGen);<a name="line.403"></a> |
| <FONT color="green">404</FONT> <a name="line.404"></a> |
| <FONT color="green">405</FONT> // Compile code to emit element end tag<a name="line.405"></a> |
| <FONT color="green">406</FONT> il.append(methodGen.endElement());<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> /**<a name="line.409"></a> |
| <FONT color="green">410</FONT> * Return true if the output method is html.<a name="line.410"></a> |
| <FONT color="green">411</FONT> */<a name="line.411"></a> |
| <FONT color="green">412</FONT> private boolean isHTMLOutput() {<a name="line.412"></a> |
| <FONT color="green">413</FONT> return getStylesheet().getOutputMethod() == Stylesheet.HTML_OUTPUT;<a name="line.413"></a> |
| <FONT color="green">414</FONT> }<a name="line.414"></a> |
| <FONT color="green">415</FONT> <a name="line.415"></a> |
| <FONT color="green">416</FONT> /**<a name="line.416"></a> |
| <FONT color="green">417</FONT> * Return the ElemDesc object for an HTML element.<a name="line.417"></a> |
| <FONT color="green">418</FONT> * Return null if the output method is not HTML or this is not a <a name="line.418"></a> |
| <FONT color="green">419</FONT> * valid HTML element.<a name="line.419"></a> |
| <FONT color="green">420</FONT> */<a name="line.420"></a> |
| <FONT color="green">421</FONT> public ElemDesc getElemDesc() {<a name="line.421"></a> |
| <FONT color="green">422</FONT> if (isHTMLOutput()) {<a name="line.422"></a> |
| <FONT color="green">423</FONT> return ToHTMLStream.getElemDesc(_name);<a name="line.423"></a> |
| <FONT color="green">424</FONT> }<a name="line.424"></a> |
| <FONT color="green">425</FONT> else<a name="line.425"></a> |
| <FONT color="green">426</FONT> return null;<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> * Return true if all attributes of this LRE have unique names.<a name="line.430"></a> |
| <FONT color="green">431</FONT> */<a name="line.431"></a> |
| <FONT color="green">432</FONT> public boolean allAttributesUnique() {<a name="line.432"></a> |
| <FONT color="green">433</FONT> return _allAttributesUnique;<a name="line.433"></a> |
| <FONT color="green">434</FONT> }<a name="line.434"></a> |
| <FONT color="green">435</FONT> <a name="line.435"></a> |
| <FONT color="green">436</FONT> /**<a name="line.436"></a> |
| <FONT color="green">437</FONT> * Check whether all attributes are unique.<a name="line.437"></a> |
| <FONT color="green">438</FONT> */<a name="line.438"></a> |
| <FONT color="green">439</FONT> private boolean checkAttributesUnique() {<a name="line.439"></a> |
| <FONT color="green">440</FONT> boolean hasHiddenXslAttribute = canProduceAttributeNodes(this, true);<a name="line.440"></a> |
| <FONT color="green">441</FONT> if (hasHiddenXslAttribute)<a name="line.441"></a> |
| <FONT color="green">442</FONT> return false;<a name="line.442"></a> |
| <FONT color="green">443</FONT> <a name="line.443"></a> |
| <FONT color="green">444</FONT> if (_attributeElements != null) {<a name="line.444"></a> |
| <FONT color="green">445</FONT> int numAttrs = _attributeElements.size();<a name="line.445"></a> |
| <FONT color="green">446</FONT> Hashtable attrsTable = null;<a name="line.446"></a> |
| <FONT color="green">447</FONT> for (int i = 0; i < numAttrs; i++) {<a name="line.447"></a> |
| <FONT color="green">448</FONT> SyntaxTreeNode node = (SyntaxTreeNode)_attributeElements.elementAt(i);<a name="line.448"></a> |
| <FONT color="green">449</FONT> <a name="line.449"></a> |
| <FONT color="green">450</FONT> if (node instanceof UseAttributeSets) {<a name="line.450"></a> |
| <FONT color="green">451</FONT> return false;<a name="line.451"></a> |
| <FONT color="green">452</FONT> }<a name="line.452"></a> |
| <FONT color="green">453</FONT> else if (node instanceof XslAttribute) { <a name="line.453"></a> |
| <FONT color="green">454</FONT> if (attrsTable == null) {<a name="line.454"></a> |
| <FONT color="green">455</FONT> attrsTable = new Hashtable();<a name="line.455"></a> |
| <FONT color="green">456</FONT> for (int k = 0; k < i; k++) {<a name="line.456"></a> |
| <FONT color="green">457</FONT> SyntaxTreeNode n = (SyntaxTreeNode)_attributeElements.elementAt(k);<a name="line.457"></a> |
| <FONT color="green">458</FONT> if (n instanceof LiteralAttribute) {<a name="line.458"></a> |
| <FONT color="green">459</FONT> LiteralAttribute literalAttr = (LiteralAttribute)n;<a name="line.459"></a> |
| <FONT color="green">460</FONT> attrsTable.put(literalAttr.getName(), literalAttr);<a name="line.460"></a> |
| <FONT color="green">461</FONT> }<a name="line.461"></a> |
| <FONT color="green">462</FONT> }<a name="line.462"></a> |
| <FONT color="green">463</FONT> }<a name="line.463"></a> |
| <FONT color="green">464</FONT> <a name="line.464"></a> |
| <FONT color="green">465</FONT> XslAttribute xslAttr = (XslAttribute)node;<a name="line.465"></a> |
| <FONT color="green">466</FONT> AttributeValue attrName = xslAttr.getName();<a name="line.466"></a> |
| <FONT color="green">467</FONT> if (attrName instanceof AttributeValueTemplate) {<a name="line.467"></a> |
| <FONT color="green">468</FONT> return false;<a name="line.468"></a> |
| <FONT color="green">469</FONT> }<a name="line.469"></a> |
| <FONT color="green">470</FONT> else if (attrName instanceof SimpleAttributeValue) {<a name="line.470"></a> |
| <FONT color="green">471</FONT> SimpleAttributeValue simpleAttr = (SimpleAttributeValue)attrName;<a name="line.471"></a> |
| <FONT color="green">472</FONT> String name = simpleAttr.toString();<a name="line.472"></a> |
| <FONT color="green">473</FONT> if (name != null && attrsTable.get(name) != null)<a name="line.473"></a> |
| <FONT color="green">474</FONT> return false;<a name="line.474"></a> |
| <FONT color="green">475</FONT> else if (name != null) {<a name="line.475"></a> |
| <FONT color="green">476</FONT> attrsTable.put(name, xslAttr);<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> }<a name="line.479"></a> |
| <FONT color="green">480</FONT> }<a name="line.480"></a> |
| <FONT color="green">481</FONT> }<a name="line.481"></a> |
| <FONT color="green">482</FONT> return true;<a name="line.482"></a> |
| <FONT color="green">483</FONT> }<a name="line.483"></a> |
| <FONT color="green">484</FONT> <a name="line.484"></a> |
| <FONT color="green">485</FONT> /**<a name="line.485"></a> |
| <FONT color="green">486</FONT> * Return true if the instructions under the given SyntaxTreeNode can produce attribute nodes<a name="line.486"></a> |
| <FONT color="green">487</FONT> * to an element. Only return false when we are sure that no attribute node is produced. <a name="line.487"></a> |
| <FONT color="green">488</FONT> * Return true if we are not sure. If the flag ignoreXslAttribute is true, the direct <a name="line.488"></a> |
| <FONT color="green">489</FONT> * <xsl:attribute> children of the current node are not included in the check.<a name="line.489"></a> |
| <FONT color="green">490</FONT> */<a name="line.490"></a> |
| <FONT color="green">491</FONT> private boolean canProduceAttributeNodes(SyntaxTreeNode node, boolean ignoreXslAttribute) {<a name="line.491"></a> |
| <FONT color="green">492</FONT> Vector contents = node.getContents();<a name="line.492"></a> |
| <FONT color="green">493</FONT> int size = contents.size();<a name="line.493"></a> |
| <FONT color="green">494</FONT> for (int i = 0; i < size; i++) {<a name="line.494"></a> |
| <FONT color="green">495</FONT> SyntaxTreeNode child = (SyntaxTreeNode)contents.elementAt(i);<a name="line.495"></a> |
| <FONT color="green">496</FONT> if (child instanceof Text) {<a name="line.496"></a> |
| <FONT color="green">497</FONT> Text text = (Text)child;<a name="line.497"></a> |
| <FONT color="green">498</FONT> if (text.isIgnore())<a name="line.498"></a> |
| <FONT color="green">499</FONT> continue;<a name="line.499"></a> |
| <FONT color="green">500</FONT> else<a name="line.500"></a> |
| <FONT color="green">501</FONT> return false;<a name="line.501"></a> |
| <FONT color="green">502</FONT> }<a name="line.502"></a> |
| <FONT color="green">503</FONT> // Cannot add an attribute to an element after children have been added to it.<a name="line.503"></a> |
| <FONT color="green">504</FONT> // We can safely return false when the instruction can produce an output node.<a name="line.504"></a> |
| <FONT color="green">505</FONT> else if (child instanceof LiteralElement<a name="line.505"></a> |
| <FONT color="green">506</FONT> || child instanceof ValueOf<a name="line.506"></a> |
| <FONT color="green">507</FONT> || child instanceof XslElement<a name="line.507"></a> |
| <FONT color="green">508</FONT> || child instanceof Comment<a name="line.508"></a> |
| <FONT color="green">509</FONT> || child instanceof Number<a name="line.509"></a> |
| <FONT color="green">510</FONT> || child instanceof ProcessingInstruction)<a name="line.510"></a> |
| <FONT color="green">511</FONT> return false;<a name="line.511"></a> |
| <FONT color="green">512</FONT> else if (child instanceof XslAttribute) {<a name="line.512"></a> |
| <FONT color="green">513</FONT> if (ignoreXslAttribute)<a name="line.513"></a> |
| <FONT color="green">514</FONT> continue;<a name="line.514"></a> |
| <FONT color="green">515</FONT> else<a name="line.515"></a> |
| <FONT color="green">516</FONT> return true;<a name="line.516"></a> |
| <FONT color="green">517</FONT> }<a name="line.517"></a> |
| <FONT color="green">518</FONT> // In general, there is no way to check whether <xsl:call-template> or <a name="line.518"></a> |
| <FONT color="green">519</FONT> // <xsl:apply-templates> can produce attribute nodes. <xsl:copy> and<a name="line.519"></a> |
| <FONT color="green">520</FONT> // <xsl:copy-of> can also copy attribute nodes to an element. Return<a name="line.520"></a> |
| <FONT color="green">521</FONT> // true in those cases to be safe.<a name="line.521"></a> |
| <FONT color="green">522</FONT> else if (child instanceof CallTemplate<a name="line.522"></a> |
| <FONT color="green">523</FONT> || child instanceof ApplyTemplates<a name="line.523"></a> |
| <FONT color="green">524</FONT> || child instanceof Copy<a name="line.524"></a> |
| <FONT color="green">525</FONT> || child instanceof CopyOf)<a name="line.525"></a> |
| <FONT color="green">526</FONT> return true;<a name="line.526"></a> |
| <FONT color="green">527</FONT> else if ((child instanceof If<a name="line.527"></a> |
| <FONT color="green">528</FONT> || child instanceof ForEach)<a name="line.528"></a> |
| <FONT color="green">529</FONT> && canProduceAttributeNodes(child, false)) {<a name="line.529"></a> |
| <FONT color="green">530</FONT> return true;<a name="line.530"></a> |
| <FONT color="green">531</FONT> }<a name="line.531"></a> |
| <FONT color="green">532</FONT> else if (child instanceof Choose) {<a name="line.532"></a> |
| <FONT color="green">533</FONT> Vector chooseContents = child.getContents();<a name="line.533"></a> |
| <FONT color="green">534</FONT> int num = chooseContents.size();<a name="line.534"></a> |
| <FONT color="green">535</FONT> for (int k = 0; k < num; k++) {<a name="line.535"></a> |
| <FONT color="green">536</FONT> SyntaxTreeNode chooseChild = (SyntaxTreeNode)chooseContents.elementAt(k);<a name="line.536"></a> |
| <FONT color="green">537</FONT> if (chooseChild instanceof When || chooseChild instanceof Otherwise) {<a name="line.537"></a> |
| <FONT color="green">538</FONT> if (canProduceAttributeNodes(chooseChild, false))<a name="line.538"></a> |
| <FONT color="green">539</FONT> return true;<a name="line.539"></a> |
| <FONT color="green">540</FONT> }<a name="line.540"></a> |
| <FONT color="green">541</FONT> }<a name="line.541"></a> |
| <FONT color="green">542</FONT> }<a name="line.542"></a> |
| <FONT color="green">543</FONT> }<a name="line.543"></a> |
| <FONT color="green">544</FONT> return false;<a name="line.544"></a> |
| <FONT color="green">545</FONT> }<a name="line.545"></a> |
| <FONT color="green">546</FONT> <a name="line.546"></a> |
| <FONT color="green">547</FONT> } <a name="line.547"></a> |
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| </PRE> |
| </BODY> |
| </HTML> |
