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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: ExpandedNameTable.java 1225372 2011-12-28 22:58:27Z mrglavas $<a name="line.19"></a> |
| <FONT color="green">020</FONT> */<a name="line.20"></a> |
| <FONT color="green">021</FONT> package org.apache.xml.dtm.ref;<a name="line.21"></a> |
| <FONT color="green">022</FONT> <a name="line.22"></a> |
| <FONT color="green">023</FONT> import org.apache.xml.dtm.DTM;<a name="line.23"></a> |
| <FONT color="green">024</FONT> <a name="line.24"></a> |
| <FONT color="green">025</FONT> /**<a name="line.25"></a> |
| <FONT color="green">026</FONT> * This is a default implementation of a table that manages mappings from<a name="line.26"></a> |
| <FONT color="green">027</FONT> * expanded names to expandedNameIDs.<a name="line.27"></a> |
| <FONT color="green">028</FONT> *<a name="line.28"></a> |
| <FONT color="green">029</FONT> * %OPT% The performance of the getExpandedTypeID() method is very important <a name="line.29"></a> |
| <FONT color="green">030</FONT> * to DTM building. To get the best performance out of this class, we implement<a name="line.30"></a> |
| <FONT color="green">031</FONT> * a simple hash algorithm directly into this class, instead of using the<a name="line.31"></a> |
| <FONT color="green">032</FONT> * inefficient java.util.Hashtable. The code for the get and put operations<a name="line.32"></a> |
| <FONT color="green">033</FONT> * are combined in getExpandedTypeID() method to share the same hash calculation<a name="line.33"></a> |
| <FONT color="green">034</FONT> * code. We only need to implement the rehash() interface which is used to<a name="line.34"></a> |
| <FONT color="green">035</FONT> * expand the hash table.<a name="line.35"></a> |
| <FONT color="green">036</FONT> */<a name="line.36"></a> |
| <FONT color="green">037</FONT> public class ExpandedNameTable<a name="line.37"></a> |
| <FONT color="green">038</FONT> {<a name="line.38"></a> |
| <FONT color="green">039</FONT> <a name="line.39"></a> |
| <FONT color="green">040</FONT> /** Array of extended types for this document */<a name="line.40"></a> |
| <FONT color="green">041</FONT> private ExtendedType[] m_extendedTypes;<a name="line.41"></a> |
| <FONT color="green">042</FONT> <a name="line.42"></a> |
| <FONT color="green">043</FONT> /** The initial size of the m_extendedTypes array */<a name="line.43"></a> |
| <FONT color="green">044</FONT> private static int m_initialSize = 128;<a name="line.44"></a> |
| <FONT color="green">045</FONT> <a name="line.45"></a> |
| <FONT color="green">046</FONT> /** Next available extended type */<a name="line.46"></a> |
| <FONT color="green">047</FONT> // %REVIEW% Since this is (should be) always equal <a name="line.47"></a> |
| <FONT color="green">048</FONT> // to the length of m_extendedTypes, do we need this? <a name="line.48"></a> |
| <FONT color="green">049</FONT> private int m_nextType;<a name="line.49"></a> |
| <FONT color="green">050</FONT> <a name="line.50"></a> |
| <FONT color="green">051</FONT> // These are all the types prerotated, for caller convenience.<a name="line.51"></a> |
| <FONT color="green">052</FONT> public static final int ELEMENT = ((int)DTM.ELEMENT_NODE) ;<a name="line.52"></a> |
| <FONT color="green">053</FONT> public static final int ATTRIBUTE = ((int)DTM.ATTRIBUTE_NODE) ;<a name="line.53"></a> |
| <FONT color="green">054</FONT> public static final int TEXT = ((int)DTM.TEXT_NODE) ;<a name="line.54"></a> |
| <FONT color="green">055</FONT> public static final int CDATA_SECTION = ((int)DTM.CDATA_SECTION_NODE) ;<a name="line.55"></a> |
| <FONT color="green">056</FONT> public static final int ENTITY_REFERENCE = ((int)DTM.ENTITY_REFERENCE_NODE) ;<a name="line.56"></a> |
| <FONT color="green">057</FONT> public static final int ENTITY = ((int)DTM.ENTITY_NODE) ;<a name="line.57"></a> |
| <FONT color="green">058</FONT> public static final int PROCESSING_INSTRUCTION = ((int)DTM.PROCESSING_INSTRUCTION_NODE) ;<a name="line.58"></a> |
| <FONT color="green">059</FONT> public static final int COMMENT = ((int)DTM.COMMENT_NODE) ;<a name="line.59"></a> |
| <FONT color="green">060</FONT> public static final int DOCUMENT = ((int)DTM.DOCUMENT_NODE) ;<a name="line.60"></a> |
| <FONT color="green">061</FONT> public static final int DOCUMENT_TYPE = ((int)DTM.DOCUMENT_TYPE_NODE) ;<a name="line.61"></a> |
| <FONT color="green">062</FONT> public static final int DOCUMENT_FRAGMENT =((int)DTM.DOCUMENT_FRAGMENT_NODE) ;<a name="line.62"></a> |
| <FONT color="green">063</FONT> public static final int NOTATION = ((int)DTM.NOTATION_NODE) ;<a name="line.63"></a> |
| <FONT color="green">064</FONT> public static final int NAMESPACE = ((int)DTM.NAMESPACE_NODE) ;<a name="line.64"></a> |
| <FONT color="green">065</FONT> <a name="line.65"></a> |
| <FONT color="green">066</FONT> /** Workspace for lookup. NOT THREAD SAFE!<a name="line.66"></a> |
| <FONT color="green">067</FONT> * */<a name="line.67"></a> |
| <FONT color="green">068</FONT> ExtendedType hashET = new ExtendedType(-1, "", "");<a name="line.68"></a> |
| <FONT color="green">069</FONT> <a name="line.69"></a> |
| <FONT color="green">070</FONT> /** The array to store the default extended types. */<a name="line.70"></a> |
| <FONT color="green">071</FONT> private static ExtendedType[] m_defaultExtendedTypes;<a name="line.71"></a> |
| <FONT color="green">072</FONT> <a name="line.72"></a> |
| <FONT color="green">073</FONT> /**<a name="line.73"></a> |
| <FONT color="green">074</FONT> * The default load factor of the Hashtable.<a name="line.74"></a> |
| <FONT color="green">075</FONT> * This is used to calcualte the threshold.<a name="line.75"></a> |
| <FONT color="green">076</FONT> */<a name="line.76"></a> |
| <FONT color="green">077</FONT> private static float m_loadFactor = 0.75f;<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> * The initial capacity of the hash table. Use a bigger number<a name="line.80"></a> |
| <FONT color="green">081</FONT> * to avoid the cost of expanding the table.<a name="line.81"></a> |
| <FONT color="green">082</FONT> */ <a name="line.82"></a> |
| <FONT color="green">083</FONT> private static int m_initialCapacity = 203;<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> * The capacity of the hash table, i.e. the size of the<a name="line.86"></a> |
| <FONT color="green">087</FONT> * internal HashEntry array.<a name="line.87"></a> |
| <FONT color="green">088</FONT> */ <a name="line.88"></a> |
| <FONT color="green">089</FONT> private int m_capacity;<a name="line.89"></a> |
| <FONT color="green">090</FONT> <a name="line.90"></a> |
| <FONT color="green">091</FONT> /** <a name="line.91"></a> |
| <FONT color="green">092</FONT> * The threshold of the hash table, which is equal to capacity * loadFactor.<a name="line.92"></a> |
| <FONT color="green">093</FONT> * If the number of entries in the hash table is bigger than the threshold,<a name="line.93"></a> |
| <FONT color="green">094</FONT> * the hash table needs to be expanded.<a name="line.94"></a> |
| <FONT color="green">095</FONT> */<a name="line.95"></a> |
| <FONT color="green">096</FONT> private int m_threshold;<a name="line.96"></a> |
| <FONT color="green">097</FONT> <a name="line.97"></a> |
| <FONT color="green">098</FONT> /**<a name="line.98"></a> |
| <FONT color="green">099</FONT> * The internal array to store the hash entries.<a name="line.99"></a> |
| <FONT color="green">100</FONT> * Each array member is a slot for a hash bucket.<a name="line.100"></a> |
| <FONT color="green">101</FONT> */<a name="line.101"></a> |
| <FONT color="green">102</FONT> private HashEntry[] m_table;<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> * Init default values<a name="line.105"></a> |
| <FONT color="green">106</FONT> */<a name="line.106"></a> |
| <FONT color="green">107</FONT> static {<a name="line.107"></a> |
| <FONT color="green">108</FONT> m_defaultExtendedTypes = new ExtendedType[DTM.NTYPES];<a name="line.108"></a> |
| <FONT color="green">109</FONT> <a name="line.109"></a> |
| <FONT color="green">110</FONT> for (int i = 0; i < DTM.NTYPES; i++)<a name="line.110"></a> |
| <FONT color="green">111</FONT> {<a name="line.111"></a> |
| <FONT color="green">112</FONT> m_defaultExtendedTypes[i] = new ExtendedType(i, "", "");<a name="line.112"></a> |
| <FONT color="green">113</FONT> }<a name="line.113"></a> |
| <FONT color="green">114</FONT> }<a name="line.114"></a> |
| <FONT color="green">115</FONT> <a name="line.115"></a> |
| <FONT color="green">116</FONT> /**<a name="line.116"></a> |
| <FONT color="green">117</FONT> * Create an expanded name table.<a name="line.117"></a> |
| <FONT color="green">118</FONT> */<a name="line.118"></a> |
| <FONT color="green">119</FONT> public ExpandedNameTable()<a name="line.119"></a> |
| <FONT color="green">120</FONT> {<a name="line.120"></a> |
| <FONT color="green">121</FONT> m_capacity = m_initialCapacity;<a name="line.121"></a> |
| <FONT color="green">122</FONT> m_threshold = (int)(m_capacity * m_loadFactor);<a name="line.122"></a> |
| <FONT color="green">123</FONT> m_table = new HashEntry[m_capacity];<a name="line.123"></a> |
| <FONT color="green">124</FONT> <a name="line.124"></a> |
| <FONT color="green">125</FONT> initExtendedTypes();<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> /**<a name="line.129"></a> |
| <FONT color="green">130</FONT> * Initialize the vector of extended types with the<a name="line.130"></a> |
| <FONT color="green">131</FONT> * basic DOM node types.<a name="line.131"></a> |
| <FONT color="green">132</FONT> */<a name="line.132"></a> |
| <FONT color="green">133</FONT> private void initExtendedTypes()<a name="line.133"></a> |
| <FONT color="green">134</FONT> { <a name="line.134"></a> |
| <FONT color="green">135</FONT> m_extendedTypes = new ExtendedType[m_initialSize];<a name="line.135"></a> |
| <FONT color="green">136</FONT> for (int i = 0; i < DTM.NTYPES; i++) {<a name="line.136"></a> |
| <FONT color="green">137</FONT> m_extendedTypes[i] = m_defaultExtendedTypes[i];<a name="line.137"></a> |
| <FONT color="green">138</FONT> m_table[i] = new HashEntry(m_defaultExtendedTypes[i], i, i, null);<a name="line.138"></a> |
| <FONT color="green">139</FONT> }<a name="line.139"></a> |
| <FONT color="green">140</FONT> <a name="line.140"></a> |
| <FONT color="green">141</FONT> m_nextType = DTM.NTYPES;<a name="line.141"></a> |
| <FONT color="green">142</FONT> }<a name="line.142"></a> |
| <FONT color="green">143</FONT> <a name="line.143"></a> |
| <FONT color="green">144</FONT> /**<a name="line.144"></a> |
| <FONT color="green">145</FONT> * Given an expanded name represented by namespace, local name and node type,<a name="line.145"></a> |
| <FONT color="green">146</FONT> * return an ID. If the expanded-name does not exist in the internal tables,<a name="line.146"></a> |
| <FONT color="green">147</FONT> * the entry will be created, and the ID will be returned. Any additional <a name="line.147"></a> |
| <FONT color="green">148</FONT> * nodes that are created that have this expanded name will use this ID.<a name="line.148"></a> |
| <FONT color="green">149</FONT> *<a name="line.149"></a> |
| <FONT color="green">150</FONT> * @param namespace The namespace<a name="line.150"></a> |
| <FONT color="green">151</FONT> * @param localName The local name<a name="line.151"></a> |
| <FONT color="green">152</FONT> * @param type The node type<a name="line.152"></a> |
| <FONT color="green">153</FONT> *<a name="line.153"></a> |
| <FONT color="green">154</FONT> * @return the expanded-name id of the node.<a name="line.154"></a> |
| <FONT color="green">155</FONT> */<a name="line.155"></a> |
| <FONT color="green">156</FONT> public int getExpandedTypeID(String namespace, String localName, int type)<a name="line.156"></a> |
| <FONT color="green">157</FONT> {<a name="line.157"></a> |
| <FONT color="green">158</FONT> return getExpandedTypeID(namespace, localName, type, false);<a name="line.158"></a> |
| <FONT color="green">159</FONT> }<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> * Given an expanded name represented by namespace, local name and node type,<a name="line.162"></a> |
| <FONT color="green">163</FONT> * return an ID. If the expanded-name does not exist in the internal tables,<a name="line.163"></a> |
| <FONT color="green">164</FONT> * the entry will be created, and the ID will be returned. Any additional <a name="line.164"></a> |
| <FONT color="green">165</FONT> * nodes that are created that have this expanded name will use this ID.<a name="line.165"></a> |
| <FONT color="green">166</FONT> * <p><a name="line.166"></a> |
| <FONT color="green">167</FONT> * If searchOnly is true, we will return -1 if the name is not found in the <a name="line.167"></a> |
| <FONT color="green">168</FONT> * table, otherwise the name is added to the table and the expanded name id<a name="line.168"></a> |
| <FONT color="green">169</FONT> * of the new entry is returned.<a name="line.169"></a> |
| <FONT color="green">170</FONT> *<a name="line.170"></a> |
| <FONT color="green">171</FONT> * @param namespace The namespace<a name="line.171"></a> |
| <FONT color="green">172</FONT> * @param localName The local name<a name="line.172"></a> |
| <FONT color="green">173</FONT> * @param type The node type<a name="line.173"></a> |
| <FONT color="green">174</FONT> * @param searchOnly If it is true, we will only search for the expanded name.<a name="line.174"></a> |
| <FONT color="green">175</FONT> * -1 is return is the name is not found.<a name="line.175"></a> |
| <FONT color="green">176</FONT> *<a name="line.176"></a> |
| <FONT color="green">177</FONT> * @return the expanded-name id of the node.<a name="line.177"></a> |
| <FONT color="green">178</FONT> */<a name="line.178"></a> |
| <FONT color="green">179</FONT> public int getExpandedTypeID(String namespace, String localName, int type, boolean searchOnly)<a name="line.179"></a> |
| <FONT color="green">180</FONT> {<a name="line.180"></a> |
| <FONT color="green">181</FONT> if (null == namespace)<a name="line.181"></a> |
| <FONT color="green">182</FONT> namespace = "";<a name="line.182"></a> |
| <FONT color="green">183</FONT> if (null == localName)<a name="line.183"></a> |
| <FONT color="green">184</FONT> localName = "";<a name="line.184"></a> |
| <FONT color="green">185</FONT> <a name="line.185"></a> |
| <FONT color="green">186</FONT> // Calculate the hash code<a name="line.186"></a> |
| <FONT color="green">187</FONT> int hash = type + namespace.hashCode() + localName.hashCode();<a name="line.187"></a> |
| <FONT color="green">188</FONT> <a name="line.188"></a> |
| <FONT color="green">189</FONT> // Redefine the hashET object to represent the new expanded name.<a name="line.189"></a> |
| <FONT color="green">190</FONT> hashET.redefine(type, namespace, localName, hash);<a name="line.190"></a> |
| <FONT color="green">191</FONT> <a name="line.191"></a> |
| <FONT color="green">192</FONT> // Calculate the index into the HashEntry table.<a name="line.192"></a> |
| <FONT color="green">193</FONT> int index = hash % m_capacity;<a name="line.193"></a> |
| <FONT color="green">194</FONT> if (index < 0)<a name="line.194"></a> |
| <FONT color="green">195</FONT> index = -index;<a name="line.195"></a> |
| <FONT color="green">196</FONT> <a name="line.196"></a> |
| <FONT color="green">197</FONT> // Look up the expanded name in the hash table. Return the id if<a name="line.197"></a> |
| <FONT color="green">198</FONT> // the expanded name is already in the hash table.<a name="line.198"></a> |
| <FONT color="green">199</FONT> for (HashEntry e = m_table[index]; e != null; e = e.next)<a name="line.199"></a> |
| <FONT color="green">200</FONT> {<a name="line.200"></a> |
| <FONT color="green">201</FONT> if (e.hash == hash && e.key.equals(hashET))<a name="line.201"></a> |
| <FONT color="green">202</FONT> return e.value;<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> if (searchOnly)<a name="line.205"></a> |
| <FONT color="green">206</FONT> {<a name="line.206"></a> |
| <FONT color="green">207</FONT> return DTM.NULL;<a name="line.207"></a> |
| <FONT color="green">208</FONT> }<a name="line.208"></a> |
| <FONT color="green">209</FONT> <a name="line.209"></a> |
| <FONT color="green">210</FONT> // Expand the internal HashEntry array if necessary.<a name="line.210"></a> |
| <FONT color="green">211</FONT> if (m_nextType > m_threshold) {<a name="line.211"></a> |
| <FONT color="green">212</FONT> rehash();<a name="line.212"></a> |
| <FONT color="green">213</FONT> index = hash % m_capacity;<a name="line.213"></a> |
| <FONT color="green">214</FONT> if (index < 0)<a name="line.214"></a> |
| <FONT color="green">215</FONT> index = -index;<a name="line.215"></a> |
| <FONT color="green">216</FONT> }<a name="line.216"></a> |
| <FONT color="green">217</FONT> <a name="line.217"></a> |
| <FONT color="green">218</FONT> // Create a new ExtendedType object<a name="line.218"></a> |
| <FONT color="green">219</FONT> ExtendedType newET = new ExtendedType(type, namespace, localName, hash);<a name="line.219"></a> |
| <FONT color="green">220</FONT> <a name="line.220"></a> |
| <FONT color="green">221</FONT> // Expand the m_extendedTypes array if necessary.<a name="line.221"></a> |
| <FONT color="green">222</FONT> if (m_extendedTypes.length == m_nextType) {<a name="line.222"></a> |
| <FONT color="green">223</FONT> ExtendedType[] newArray = new ExtendedType[m_extendedTypes.length * 2];<a name="line.223"></a> |
| <FONT color="green">224</FONT> System.arraycopy(m_extendedTypes, 0, newArray, 0,<a name="line.224"></a> |
| <FONT color="green">225</FONT> m_extendedTypes.length);<a name="line.225"></a> |
| <FONT color="green">226</FONT> m_extendedTypes = newArray;<a name="line.226"></a> |
| <FONT color="green">227</FONT> }<a name="line.227"></a> |
| <FONT color="green">228</FONT> <a name="line.228"></a> |
| <FONT color="green">229</FONT> m_extendedTypes[m_nextType] = newET;<a name="line.229"></a> |
| <FONT color="green">230</FONT> <a name="line.230"></a> |
| <FONT color="green">231</FONT> // Create a new hash entry for the new ExtendedType and put it into <a name="line.231"></a> |
| <FONT color="green">232</FONT> // the table.<a name="line.232"></a> |
| <FONT color="green">233</FONT> HashEntry entry = new HashEntry(newET, m_nextType, hash, m_table[index]);<a name="line.233"></a> |
| <FONT color="green">234</FONT> m_table[index] = entry;<a name="line.234"></a> |
| <FONT color="green">235</FONT> <a name="line.235"></a> |
| <FONT color="green">236</FONT> return m_nextType++;<a name="line.236"></a> |
| <FONT color="green">237</FONT> }<a name="line.237"></a> |
| <FONT color="green">238</FONT> <a name="line.238"></a> |
| <FONT color="green">239</FONT> /**<a name="line.239"></a> |
| <FONT color="green">240</FONT> * Increases the capacity of and internally reorganizes the hashtable, <a name="line.240"></a> |
| <FONT color="green">241</FONT> * in order to accommodate and access its entries more efficiently. <a name="line.241"></a> |
| <FONT color="green">242</FONT> * This method is called when the number of keys in the hashtable exceeds<a name="line.242"></a> |
| <FONT color="green">243</FONT> * this hashtable's capacity and load factor.<a name="line.243"></a> |
| <FONT color="green">244</FONT> */<a name="line.244"></a> |
| <FONT color="green">245</FONT> private void rehash()<a name="line.245"></a> |
| <FONT color="green">246</FONT> {<a name="line.246"></a> |
| <FONT color="green">247</FONT> int oldCapacity = m_capacity;<a name="line.247"></a> |
| <FONT color="green">248</FONT> HashEntry[] oldTable = m_table;<a name="line.248"></a> |
| <FONT color="green">249</FONT> <a name="line.249"></a> |
| <FONT color="green">250</FONT> int newCapacity = 2 * oldCapacity + 1;<a name="line.250"></a> |
| <FONT color="green">251</FONT> m_capacity = newCapacity;<a name="line.251"></a> |
| <FONT color="green">252</FONT> m_threshold = (int)(newCapacity * m_loadFactor);<a name="line.252"></a> |
| <FONT color="green">253</FONT> <a name="line.253"></a> |
| <FONT color="green">254</FONT> m_table = new HashEntry[newCapacity];<a name="line.254"></a> |
| <FONT color="green">255</FONT> for (int i = oldCapacity-1; i >=0 ; i--)<a name="line.255"></a> |
| <FONT color="green">256</FONT> {<a name="line.256"></a> |
| <FONT color="green">257</FONT> for (HashEntry old = oldTable[i]; old != null; )<a name="line.257"></a> |
| <FONT color="green">258</FONT> {<a name="line.258"></a> |
| <FONT color="green">259</FONT> HashEntry e = old;<a name="line.259"></a> |
| <FONT color="green">260</FONT> old = old.next;<a name="line.260"></a> |
| <FONT color="green">261</FONT> <a name="line.261"></a> |
| <FONT color="green">262</FONT> int newIndex = e.hash % newCapacity;<a name="line.262"></a> |
| <FONT color="green">263</FONT> if (newIndex < 0)<a name="line.263"></a> |
| <FONT color="green">264</FONT> newIndex = -newIndex;<a name="line.264"></a> |
| <FONT color="green">265</FONT> <a name="line.265"></a> |
| <FONT color="green">266</FONT> e.next = m_table[newIndex];<a name="line.266"></a> |
| <FONT color="green">267</FONT> m_table[newIndex] = e;<a name="line.267"></a> |
| <FONT color="green">268</FONT> }<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> <a name="line.271"></a> |
| <FONT color="green">272</FONT> /**<a name="line.272"></a> |
| <FONT color="green">273</FONT> * Given a type, return an expanded name ID.Any additional nodes that are<a name="line.273"></a> |
| <FONT color="green">274</FONT> * created that have this expanded name will use this ID.<a name="line.274"></a> |
| <FONT color="green">275</FONT> *<a name="line.275"></a> |
| <FONT color="green">276</FONT> * @return the expanded-name id of the node.<a name="line.276"></a> |
| <FONT color="green">277</FONT> */<a name="line.277"></a> |
| <FONT color="green">278</FONT> public int getExpandedTypeID(int type)<a name="line.278"></a> |
| <FONT color="green">279</FONT> {<a name="line.279"></a> |
| <FONT color="green">280</FONT> return type;<a name="line.280"></a> |
| <FONT color="green">281</FONT> }<a name="line.281"></a> |
| <FONT color="green">282</FONT> <a name="line.282"></a> |
| <FONT color="green">283</FONT> /**<a name="line.283"></a> |
| <FONT color="green">284</FONT> * Given an expanded-name ID, return the local name part.<a name="line.284"></a> |
| <FONT color="green">285</FONT> *<a name="line.285"></a> |
| <FONT color="green">286</FONT> * @param ExpandedNameID an ID that represents an expanded-name.<a name="line.286"></a> |
| <FONT color="green">287</FONT> * @return String Local name of this node, or null if the node has no name.<a name="line.287"></a> |
| <FONT color="green">288</FONT> */<a name="line.288"></a> |
| <FONT color="green">289</FONT> public String getLocalName(int ExpandedNameID)<a name="line.289"></a> |
| <FONT color="green">290</FONT> {<a name="line.290"></a> |
| <FONT color="green">291</FONT> return m_extendedTypes[ExpandedNameID].getLocalName();<a name="line.291"></a> |
| <FONT color="green">292</FONT> }<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> * Given an expanded-name ID, return the local name ID.<a name="line.295"></a> |
| <FONT color="green">296</FONT> *<a name="line.296"></a> |
| <FONT color="green">297</FONT> * @param ExpandedNameID an ID that represents an expanded-name.<a name="line.297"></a> |
| <FONT color="green">298</FONT> * @return The id of this local name.<a name="line.298"></a> |
| <FONT color="green">299</FONT> */<a name="line.299"></a> |
| <FONT color="green">300</FONT> public final int getLocalNameID(int ExpandedNameID)<a name="line.300"></a> |
| <FONT color="green">301</FONT> {<a name="line.301"></a> |
| <FONT color="green">302</FONT> // ExtendedType etype = m_extendedTypes[ExpandedNameID];<a name="line.302"></a> |
| <FONT color="green">303</FONT> if (m_extendedTypes[ExpandedNameID].getLocalName().length() == 0)<a name="line.303"></a> |
| <FONT color="green">304</FONT> return 0;<a name="line.304"></a> |
| <FONT color="green">305</FONT> else<a name="line.305"></a> |
| <FONT color="green">306</FONT> return ExpandedNameID;<a name="line.306"></a> |
| <FONT color="green">307</FONT> }<a name="line.307"></a> |
| <FONT color="green">308</FONT> <a name="line.308"></a> |
| <FONT color="green">309</FONT> <a name="line.309"></a> |
| <FONT color="green">310</FONT> /**<a name="line.310"></a> |
| <FONT color="green">311</FONT> * Given an expanded-name ID, return the namespace URI part.<a name="line.311"></a> |
| <FONT color="green">312</FONT> *<a name="line.312"></a> |
| <FONT color="green">313</FONT> * @param ExpandedNameID an ID that represents an expanded-name.<a name="line.313"></a> |
| <FONT color="green">314</FONT> * @return String URI value of this node's namespace, or null if no<a name="line.314"></a> |
| <FONT color="green">315</FONT> * namespace was resolved.<a name="line.315"></a> |
| <FONT color="green">316</FONT> */<a name="line.316"></a> |
| <FONT color="green">317</FONT> public String getNamespace(int ExpandedNameID)<a name="line.317"></a> |
| <FONT color="green">318</FONT> {<a name="line.318"></a> |
| <FONT color="green">319</FONT> String namespace = m_extendedTypes[ExpandedNameID].getNamespace();<a name="line.319"></a> |
| <FONT color="green">320</FONT> return (namespace.length() == 0 ? null : namespace);<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> /**<a name="line.323"></a> |
| <FONT color="green">324</FONT> * Given an expanded-name ID, return the namespace URI ID.<a name="line.324"></a> |
| <FONT color="green">325</FONT> *<a name="line.325"></a> |
| <FONT color="green">326</FONT> * @param ExpandedNameID an ID that represents an expanded-name.<a name="line.326"></a> |
| <FONT color="green">327</FONT> * @return The id of this namespace.<a name="line.327"></a> |
| <FONT color="green">328</FONT> */<a name="line.328"></a> |
| <FONT color="green">329</FONT> public final int getNamespaceID(int ExpandedNameID)<a name="line.329"></a> |
| <FONT color="green">330</FONT> {<a name="line.330"></a> |
| <FONT color="green">331</FONT> //ExtendedType etype = m_extendedTypes[ExpandedNameID];<a name="line.331"></a> |
| <FONT color="green">332</FONT> if (m_extendedTypes[ExpandedNameID].getNamespace().length() == 0)<a name="line.332"></a> |
| <FONT color="green">333</FONT> return 0;<a name="line.333"></a> |
| <FONT color="green">334</FONT> else<a name="line.334"></a> |
| <FONT color="green">335</FONT> return ExpandedNameID;<a name="line.335"></a> |
| <FONT color="green">336</FONT> }<a name="line.336"></a> |
| <FONT color="green">337</FONT> <a name="line.337"></a> |
| <FONT color="green">338</FONT> /**<a name="line.338"></a> |
| <FONT color="green">339</FONT> * Given an expanded-name ID, return the local name ID.<a name="line.339"></a> |
| <FONT color="green">340</FONT> *<a name="line.340"></a> |
| <FONT color="green">341</FONT> * @param ExpandedNameID an ID that represents an expanded-name.<a name="line.341"></a> |
| <FONT color="green">342</FONT> * @return The id of this local name.<a name="line.342"></a> |
| <FONT color="green">343</FONT> */<a name="line.343"></a> |
| <FONT color="green">344</FONT> public final short getType(int ExpandedNameID)<a name="line.344"></a> |
| <FONT color="green">345</FONT> {<a name="line.345"></a> |
| <FONT color="green">346</FONT> //ExtendedType etype = m_extendedTypes[ExpandedNameID];<a name="line.346"></a> |
| <FONT color="green">347</FONT> return (short)m_extendedTypes[ExpandedNameID].getNodeType();<a name="line.347"></a> |
| <FONT color="green">348</FONT> }<a name="line.348"></a> |
| <FONT color="green">349</FONT> <a name="line.349"></a> |
| <FONT color="green">350</FONT> /**<a name="line.350"></a> |
| <FONT color="green">351</FONT> * Return the size of the ExpandedNameTable<a name="line.351"></a> |
| <FONT color="green">352</FONT> *<a name="line.352"></a> |
| <FONT color="green">353</FONT> * @return The size of the ExpandedNameTable<a name="line.353"></a> |
| <FONT color="green">354</FONT> */<a name="line.354"></a> |
| <FONT color="green">355</FONT> public int getSize()<a name="line.355"></a> |
| <FONT color="green">356</FONT> {<a name="line.356"></a> |
| <FONT color="green">357</FONT> return m_nextType;<a name="line.357"></a> |
| <FONT color="green">358</FONT> }<a name="line.358"></a> |
| <FONT color="green">359</FONT> <a name="line.359"></a> |
| <FONT color="green">360</FONT> /**<a name="line.360"></a> |
| <FONT color="green">361</FONT> * Return the array of extended types<a name="line.361"></a> |
| <FONT color="green">362</FONT> *<a name="line.362"></a> |
| <FONT color="green">363</FONT> * @return The array of extended types<a name="line.363"></a> |
| <FONT color="green">364</FONT> */<a name="line.364"></a> |
| <FONT color="green">365</FONT> public ExtendedType[] getExtendedTypes()<a name="line.365"></a> |
| <FONT color="green">366</FONT> {<a name="line.366"></a> |
| <FONT color="green">367</FONT> return m_extendedTypes;<a name="line.367"></a> |
| <FONT color="green">368</FONT> }<a name="line.368"></a> |
| <FONT color="green">369</FONT> <a name="line.369"></a> |
| <FONT color="green">370</FONT> /**<a name="line.370"></a> |
| <FONT color="green">371</FONT> * Inner class which represents a hash table entry.<a name="line.371"></a> |
| <FONT color="green">372</FONT> * The field next points to the next entry which is hashed into<a name="line.372"></a> |
| <FONT color="green">373</FONT> * the same bucket in the case of "hash collision".<a name="line.373"></a> |
| <FONT color="green">374</FONT> */<a name="line.374"></a> |
| <FONT color="green">375</FONT> private static final class HashEntry<a name="line.375"></a> |
| <FONT color="green">376</FONT> {<a name="line.376"></a> |
| <FONT color="green">377</FONT> ExtendedType key;<a name="line.377"></a> |
| <FONT color="green">378</FONT> int value;<a name="line.378"></a> |
| <FONT color="green">379</FONT> int hash;<a name="line.379"></a> |
| <FONT color="green">380</FONT> HashEntry next;<a name="line.380"></a> |
| <FONT color="green">381</FONT> <a name="line.381"></a> |
| <FONT color="green">382</FONT> protected HashEntry(ExtendedType key, int value, int hash, HashEntry next)<a name="line.382"></a> |
| <FONT color="green">383</FONT> {<a name="line.383"></a> |
| <FONT color="green">384</FONT> this.key = key;<a name="line.384"></a> |
| <FONT color="green">385</FONT> this.value = value;<a name="line.385"></a> |
| <FONT color="green">386</FONT> this.hash = hash;<a name="line.386"></a> |
| <FONT color="green">387</FONT> this.next = next;<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> |
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| </HTML> |
