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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: EncodingInfo.java 468654 2006-10-28 07:09:23Z minchau $<a name="line.19"></a> |
| <FONT color="green">020</FONT> */<a name="line.20"></a> |
| <FONT color="green">021</FONT> package org.apache.xml.serializer;<a name="line.21"></a> |
| <FONT color="green">022</FONT> <a name="line.22"></a> |
| <FONT color="green">023</FONT> <a name="line.23"></a> |
| <FONT color="green">024</FONT> /**<a name="line.24"></a> |
| <FONT color="green">025</FONT> * Holds information about a given encoding, which is the Java name for the<a name="line.25"></a> |
| <FONT color="green">026</FONT> * encoding, the equivalent ISO name.<a name="line.26"></a> |
| <FONT color="green">027</FONT> * <p><a name="line.27"></a> |
| <FONT color="green">028</FONT> * An object of this type has two useful methods<a name="line.28"></a> |
| <FONT color="green">029</FONT> * <pre><a name="line.29"></a> |
| <FONT color="green">030</FONT> * isInEncoding(char ch);<a name="line.30"></a> |
| <FONT color="green">031</FONT> * </pre><a name="line.31"></a> |
| <FONT color="green">032</FONT> * which can be called if the character is not the high one in<a name="line.32"></a> |
| <FONT color="green">033</FONT> * a surrogate pair and:<a name="line.33"></a> |
| <FONT color="green">034</FONT> * <pre><a name="line.34"></a> |
| <FONT color="green">035</FONT> * isInEncoding(char high, char low);<a name="line.35"></a> |
| <FONT color="green">036</FONT> * </pre><a name="line.36"></a> |
| <FONT color="green">037</FONT> * which can be called if the two characters from a high/low surrogate pair.<a name="line.37"></a> |
| <FONT color="green">038</FONT> * <p><a name="line.38"></a> |
| <FONT color="green">039</FONT> * An EncodingInfo object is a node in a binary search tree. Such a node<a name="line.39"></a> |
| <FONT color="green">040</FONT> * will answer if a character is in the encoding, and do so for a given<a name="line.40"></a> |
| <FONT color="green">041</FONT> * range of unicode values (<code>m_first</code> to<a name="line.41"></a> |
| <FONT color="green">042</FONT> * <code>m_last</code>). It will handle a certain range of values<a name="line.42"></a> |
| <FONT color="green">043</FONT> * explicitly (<code>m_explFirst</code> to <code>m_explLast</code>).<a name="line.43"></a> |
| <FONT color="green">044</FONT> * If the unicode point is before that explicit range, that is it<a name="line.44"></a> |
| <FONT color="green">045</FONT> * is in the range <code>m_first <= value < m_explFirst</code>, then it will delegate to another EncodingInfo object for The root<a name="line.45"></a> |
| <FONT color="green">046</FONT> * of such a tree, m_before. Likewise for values in the range <a name="line.46"></a> |
| <FONT color="green">047</FONT> * <code>m_explLast < value <= m_last</code>, but delgating to <code>m_after</code><a name="line.47"></a> |
| <FONT color="green">048</FONT> * <p><a name="line.48"></a> |
| <FONT color="green">049</FONT> * Actually figuring out if a code point is in the encoding is expensive. So the<a name="line.49"></a> |
| <FONT color="green">050</FONT> * purpose of this tree is to cache such determinations, and not to build the<a name="line.50"></a> |
| <FONT color="green">051</FONT> * entire tree of information at the start, but only build up as much of the <a name="line.51"></a> |
| <FONT color="green">052</FONT> * tree as is used during the transformation.<a name="line.52"></a> |
| <FONT color="green">053</FONT> * <p><a name="line.53"></a> |
| <FONT color="green">054</FONT> * This Class is not a public API, and should only be used internally within<a name="line.54"></a> |
| <FONT color="green">055</FONT> * the serializer.<a name="line.55"></a> |
| <FONT color="green">056</FONT> * <p><a name="line.56"></a> |
| <FONT color="green">057</FONT> * This class is not a public API.<a name="line.57"></a> |
| <FONT color="green">058</FONT> * @xsl.usage internal<a name="line.58"></a> |
| <FONT color="green">059</FONT> */<a name="line.59"></a> |
| <FONT color="green">060</FONT> public final class EncodingInfo extends Object<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> /**<a name="line.63"></a> |
| <FONT color="green">064</FONT> * Not all characters in an encoding are in on contiguous group,<a name="line.64"></a> |
| <FONT color="green">065</FONT> * however there is a lowest contiguous group starting at '\u0001'<a name="line.65"></a> |
| <FONT color="green">066</FONT> * and working up to m_highCharInContiguousGroup.<a name="line.66"></a> |
| <FONT color="green">067</FONT> * <p><a name="line.67"></a> |
| <FONT color="green">068</FONT> * This is the char for which chars at or below this value are <a name="line.68"></a> |
| <FONT color="green">069</FONT> * definately in the encoding, although for chars<a name="line.69"></a> |
| <FONT color="green">070</FONT> * above this point they might be in the encoding.<a name="line.70"></a> |
| <FONT color="green">071</FONT> * This exists for performance, especially for ASCII characters<a name="line.71"></a> |
| <FONT color="green">072</FONT> * because for ASCII all chars in the range '\u0001' to '\u007F' <a name="line.72"></a> |
| <FONT color="green">073</FONT> * are in the encoding.<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> private final char m_highCharInContiguousGroup;<a name="line.76"></a> |
| <FONT color="green">077</FONT> <a name="line.77"></a> |
| <FONT color="green">078</FONT> /**<a name="line.78"></a> |
| <FONT color="green">079</FONT> * The ISO encoding name.<a name="line.79"></a> |
| <FONT color="green">080</FONT> */<a name="line.80"></a> |
| <FONT color="green">081</FONT> final String name;<a name="line.81"></a> |
| <FONT color="green">082</FONT> <a name="line.82"></a> |
| <FONT color="green">083</FONT> /**<a name="line.83"></a> |
| <FONT color="green">084</FONT> * The name used by the Java convertor.<a name="line.84"></a> |
| <FONT color="green">085</FONT> */<a name="line.85"></a> |
| <FONT color="green">086</FONT> final String javaName;<a name="line.86"></a> |
| <FONT color="green">087</FONT> <a name="line.87"></a> |
| <FONT color="green">088</FONT> /**<a name="line.88"></a> |
| <FONT color="green">089</FONT> * A helper object that we can ask if a<a name="line.89"></a> |
| <FONT color="green">090</FONT> * single char, or a surrogate UTF-16 pair<a name="line.90"></a> |
| <FONT color="green">091</FONT> * of chars that form a single character,<a name="line.91"></a> |
| <FONT color="green">092</FONT> * is in this encoding.<a name="line.92"></a> |
| <FONT color="green">093</FONT> */<a name="line.93"></a> |
| <FONT color="green">094</FONT> private InEncoding m_encoding;<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> * This is not a public API. It returns true if the<a name="line.97"></a> |
| <FONT color="green">098</FONT> * char in question is in the encoding.<a name="line.98"></a> |
| <FONT color="green">099</FONT> * @param ch the char in question.<a name="line.99"></a> |
| <FONT color="green">100</FONT> * <p><a name="line.100"></a> |
| <FONT color="green">101</FONT> * This method is not a public API.<a name="line.101"></a> |
| <FONT color="green">102</FONT> * @xsl.usage internal<a name="line.102"></a> |
| <FONT color="green">103</FONT> */<a name="line.103"></a> |
| <FONT color="green">104</FONT> public boolean isInEncoding(char ch) {<a name="line.104"></a> |
| <FONT color="green">105</FONT> if (m_encoding == null) {<a name="line.105"></a> |
| <FONT color="green">106</FONT> m_encoding = new EncodingImpl();<a name="line.106"></a> |
| <FONT color="green">107</FONT> <a name="line.107"></a> |
| <FONT color="green">108</FONT> // One could put alternate logic in here to<a name="line.108"></a> |
| <FONT color="green">109</FONT> // instantiate another object that implements the<a name="line.109"></a> |
| <FONT color="green">110</FONT> // InEncoding interface. For example if the JRE is 1.4 or up<a name="line.110"></a> |
| <FONT color="green">111</FONT> // we could have an object that uses JRE 1.4 methods<a name="line.111"></a> |
| <FONT color="green">112</FONT> }<a name="line.112"></a> |
| <FONT color="green">113</FONT> return m_encoding.isInEncoding(ch); <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> * This is not a public API. It returns true if the<a name="line.117"></a> |
| <FONT color="green">118</FONT> * character formed by the high/low pair is in the encoding.<a name="line.118"></a> |
| <FONT color="green">119</FONT> * @param high a char that the a high char of a high/low surrogate pair.<a name="line.119"></a> |
| <FONT color="green">120</FONT> * @param low a char that is the low char of a high/low surrogate pair.<a name="line.120"></a> |
| <FONT color="green">121</FONT> * <p><a name="line.121"></a> |
| <FONT color="green">122</FONT> * This method is not a public API.<a name="line.122"></a> |
| <FONT color="green">123</FONT> * @xsl.usage internal<a name="line.123"></a> |
| <FONT color="green">124</FONT> */<a name="line.124"></a> |
| <FONT color="green">125</FONT> public boolean isInEncoding(char high, char low) {<a name="line.125"></a> |
| <FONT color="green">126</FONT> if (m_encoding == null) {<a name="line.126"></a> |
| <FONT color="green">127</FONT> m_encoding = new EncodingImpl();<a name="line.127"></a> |
| <FONT color="green">128</FONT> <a name="line.128"></a> |
| <FONT color="green">129</FONT> // One could put alternate logic in here to<a name="line.129"></a> |
| <FONT color="green">130</FONT> // instantiate another object that implements the<a name="line.130"></a> |
| <FONT color="green">131</FONT> // InEncoding interface. For example if the JRE is 1.4 or up<a name="line.131"></a> |
| <FONT color="green">132</FONT> // we could have an object that uses JRE 1.4 methods<a name="line.132"></a> |
| <FONT color="green">133</FONT> }<a name="line.133"></a> |
| <FONT color="green">134</FONT> return m_encoding.isInEncoding(high, low); <a name="line.134"></a> |
| <FONT color="green">135</FONT> }<a name="line.135"></a> |
| <FONT color="green">136</FONT> <a name="line.136"></a> |
| <FONT color="green">137</FONT> /**<a name="line.137"></a> |
| <FONT color="green">138</FONT> * Create an EncodingInfo object based on the ISO name and Java name.<a name="line.138"></a> |
| <FONT color="green">139</FONT> * If both parameters are null any character will be considered to<a name="line.139"></a> |
| <FONT color="green">140</FONT> * be in the encoding. This is useful for when the serializer is in<a name="line.140"></a> |
| <FONT color="green">141</FONT> * temporary output state, and has no assciated encoding.<a name="line.141"></a> |
| <FONT color="green">142</FONT> *<a name="line.142"></a> |
| <FONT color="green">143</FONT> * @param name reference to the ISO name.<a name="line.143"></a> |
| <FONT color="green">144</FONT> * @param javaName reference to the Java encoding name.<a name="line.144"></a> |
| <FONT color="green">145</FONT> * @param highChar The char for which characters at or below this value are <a name="line.145"></a> |
| <FONT color="green">146</FONT> * definately in the<a name="line.146"></a> |
| <FONT color="green">147</FONT> * encoding, although for characters above this point they might be in the encoding.<a name="line.147"></a> |
| <FONT color="green">148</FONT> */<a name="line.148"></a> |
| <FONT color="green">149</FONT> public EncodingInfo(String name, String javaName, char highChar)<a name="line.149"></a> |
| <FONT color="green">150</FONT> {<a name="line.150"></a> |
| <FONT color="green">151</FONT> <a name="line.151"></a> |
| <FONT color="green">152</FONT> this.name = name;<a name="line.152"></a> |
| <FONT color="green">153</FONT> this.javaName = javaName;<a name="line.153"></a> |
| <FONT color="green">154</FONT> this.m_highCharInContiguousGroup = highChar;<a name="line.154"></a> |
| <FONT color="green">155</FONT> }<a name="line.155"></a> |
| <FONT color="green">156</FONT> <a name="line.156"></a> |
| <FONT color="green">157</FONT> <a name="line.157"></a> |
| <FONT color="green">158</FONT> <a name="line.158"></a> |
| <FONT color="green">159</FONT> /**<a name="line.159"></a> |
| <FONT color="green">160</FONT> * A simple interface to isolate the implementation.<a name="line.160"></a> |
| <FONT color="green">161</FONT> * We could also use some new JRE 1.4 methods in another implementation<a name="line.161"></a> |
| <FONT color="green">162</FONT> * provided we use reflection with them.<a name="line.162"></a> |
| <FONT color="green">163</FONT> * <p><a name="line.163"></a> |
| <FONT color="green">164</FONT> * This interface is not a public API,<a name="line.164"></a> |
| <FONT color="green">165</FONT> * and should only be used internally within the serializer. <a name="line.165"></a> |
| <FONT color="green">166</FONT> * @xsl.usage internal<a name="line.166"></a> |
| <FONT color="green">167</FONT> */<a name="line.167"></a> |
| <FONT color="green">168</FONT> private interface InEncoding {<a name="line.168"></a> |
| <FONT color="green">169</FONT> /**<a name="line.169"></a> |
| <FONT color="green">170</FONT> * Returns true if the char is in the encoding<a name="line.170"></a> |
| <FONT color="green">171</FONT> */<a name="line.171"></a> |
| <FONT color="green">172</FONT> public boolean isInEncoding(char ch);<a name="line.172"></a> |
| <FONT color="green">173</FONT> /**<a name="line.173"></a> |
| <FONT color="green">174</FONT> * Returns true if the high/low surrogate pair forms<a name="line.174"></a> |
| <FONT color="green">175</FONT> * a character that is in the encoding.<a name="line.175"></a> |
| <FONT color="green">176</FONT> */<a name="line.176"></a> |
| <FONT color="green">177</FONT> public boolean isInEncoding(char high, char low);<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> * This class implements the <a name="line.181"></a> |
| <FONT color="green">182</FONT> */<a name="line.182"></a> |
| <FONT color="green">183</FONT> private class EncodingImpl implements InEncoding {<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> <a name="line.186"></a> |
| <FONT color="green">187</FONT> public boolean isInEncoding(char ch1) {<a name="line.187"></a> |
| <FONT color="green">188</FONT> final boolean ret;<a name="line.188"></a> |
| <FONT color="green">189</FONT> int codePoint = Encodings.toCodePoint(ch1);<a name="line.189"></a> |
| <FONT color="green">190</FONT> if (codePoint < m_explFirst) {<a name="line.190"></a> |
| <FONT color="green">191</FONT> // The unicode value is before the range<a name="line.191"></a> |
| <FONT color="green">192</FONT> // that we explictly manage, so we delegate the answer.<a name="line.192"></a> |
| <FONT color="green">193</FONT> <a name="line.193"></a> |
| <FONT color="green">194</FONT> // If we don't have an m_before object to delegate to, make one.<a name="line.194"></a> |
| <FONT color="green">195</FONT> if (m_before == null)<a name="line.195"></a> |
| <FONT color="green">196</FONT> m_before =<a name="line.196"></a> |
| <FONT color="green">197</FONT> new EncodingImpl(<a name="line.197"></a> |
| <FONT color="green">198</FONT> m_encoding,<a name="line.198"></a> |
| <FONT color="green">199</FONT> m_first,<a name="line.199"></a> |
| <FONT color="green">200</FONT> m_explFirst - 1,<a name="line.200"></a> |
| <FONT color="green">201</FONT> codePoint);<a name="line.201"></a> |
| <FONT color="green">202</FONT> ret = m_before.isInEncoding(ch1);<a name="line.202"></a> |
| <FONT color="green">203</FONT> } else if (m_explLast < codePoint) {<a name="line.203"></a> |
| <FONT color="green">204</FONT> // The unicode value is after the range<a name="line.204"></a> |
| <FONT color="green">205</FONT> // that we explictly manage, so we delegate the answer.<a name="line.205"></a> |
| <FONT color="green">206</FONT> <a name="line.206"></a> |
| <FONT color="green">207</FONT> // If we don't have an m_after object to delegate to, make one.<a name="line.207"></a> |
| <FONT color="green">208</FONT> if (m_after == null)<a name="line.208"></a> |
| <FONT color="green">209</FONT> m_after =<a name="line.209"></a> |
| <FONT color="green">210</FONT> new EncodingImpl(<a name="line.210"></a> |
| <FONT color="green">211</FONT> m_encoding,<a name="line.211"></a> |
| <FONT color="green">212</FONT> m_explLast + 1,<a name="line.212"></a> |
| <FONT color="green">213</FONT> m_last,<a name="line.213"></a> |
| <FONT color="green">214</FONT> codePoint);<a name="line.214"></a> |
| <FONT color="green">215</FONT> ret = m_after.isInEncoding(ch1);<a name="line.215"></a> |
| <FONT color="green">216</FONT> } else {<a name="line.216"></a> |
| <FONT color="green">217</FONT> // The unicode value is in the range we explitly handle<a name="line.217"></a> |
| <FONT color="green">218</FONT> final int idx = codePoint - m_explFirst;<a name="line.218"></a> |
| <FONT color="green">219</FONT> <a name="line.219"></a> |
| <FONT color="green">220</FONT> // If we already know the answer, just return it.<a name="line.220"></a> |
| <FONT color="green">221</FONT> if (m_alreadyKnown[idx])<a name="line.221"></a> |
| <FONT color="green">222</FONT> ret = m_isInEncoding[idx];<a name="line.222"></a> |
| <FONT color="green">223</FONT> else {<a name="line.223"></a> |
| <FONT color="green">224</FONT> // We don't know the answer, so find out,<a name="line.224"></a> |
| <FONT color="green">225</FONT> // which may be expensive, then cache the answer <a name="line.225"></a> |
| <FONT color="green">226</FONT> ret = inEncoding(ch1, m_encoding);<a name="line.226"></a> |
| <FONT color="green">227</FONT> m_alreadyKnown[idx] = true;<a name="line.227"></a> |
| <FONT color="green">228</FONT> m_isInEncoding[idx] = ret;<a name="line.228"></a> |
| <FONT color="green">229</FONT> }<a name="line.229"></a> |
| <FONT color="green">230</FONT> }<a name="line.230"></a> |
| <FONT color="green">231</FONT> return ret;<a name="line.231"></a> |
| <FONT color="green">232</FONT> }<a name="line.232"></a> |
| <FONT color="green">233</FONT> <a name="line.233"></a> |
| <FONT color="green">234</FONT> public boolean isInEncoding(char high, char low) {<a name="line.234"></a> |
| <FONT color="green">235</FONT> final boolean ret;<a name="line.235"></a> |
| <FONT color="green">236</FONT> int codePoint = Encodings.toCodePoint(high,low);<a name="line.236"></a> |
| <FONT color="green">237</FONT> if (codePoint < m_explFirst) {<a name="line.237"></a> |
| <FONT color="green">238</FONT> // The unicode value is before the range<a name="line.238"></a> |
| <FONT color="green">239</FONT> // that we explictly manage, so we delegate the answer.<a name="line.239"></a> |
| <FONT color="green">240</FONT> <a name="line.240"></a> |
| <FONT color="green">241</FONT> // If we don't have an m_before object to delegate to, make one.<a name="line.241"></a> |
| <FONT color="green">242</FONT> if (m_before == null)<a name="line.242"></a> |
| <FONT color="green">243</FONT> m_before =<a name="line.243"></a> |
| <FONT color="green">244</FONT> new EncodingImpl(<a name="line.244"></a> |
| <FONT color="green">245</FONT> m_encoding,<a name="line.245"></a> |
| <FONT color="green">246</FONT> m_first,<a name="line.246"></a> |
| <FONT color="green">247</FONT> m_explFirst - 1,<a name="line.247"></a> |
| <FONT color="green">248</FONT> codePoint);<a name="line.248"></a> |
| <FONT color="green">249</FONT> ret = m_before.isInEncoding(high,low);<a name="line.249"></a> |
| <FONT color="green">250</FONT> } else if (m_explLast < codePoint) {<a name="line.250"></a> |
| <FONT color="green">251</FONT> // The unicode value is after the range<a name="line.251"></a> |
| <FONT color="green">252</FONT> // that we explictly manage, so we delegate the answer.<a name="line.252"></a> |
| <FONT color="green">253</FONT> <a name="line.253"></a> |
| <FONT color="green">254</FONT> // If we don't have an m_after object to delegate to, make one.<a name="line.254"></a> |
| <FONT color="green">255</FONT> if (m_after == null)<a name="line.255"></a> |
| <FONT color="green">256</FONT> m_after =<a name="line.256"></a> |
| <FONT color="green">257</FONT> new EncodingImpl(<a name="line.257"></a> |
| <FONT color="green">258</FONT> m_encoding,<a name="line.258"></a> |
| <FONT color="green">259</FONT> m_explLast + 1,<a name="line.259"></a> |
| <FONT color="green">260</FONT> m_last,<a name="line.260"></a> |
| <FONT color="green">261</FONT> codePoint);<a name="line.261"></a> |
| <FONT color="green">262</FONT> ret = m_after.isInEncoding(high,low);<a name="line.262"></a> |
| <FONT color="green">263</FONT> } else {<a name="line.263"></a> |
| <FONT color="green">264</FONT> // The unicode value is in the range we explitly handle<a name="line.264"></a> |
| <FONT color="green">265</FONT> final int idx = codePoint - m_explFirst;<a name="line.265"></a> |
| <FONT color="green">266</FONT> <a name="line.266"></a> |
| <FONT color="green">267</FONT> // If we already know the answer, just return it.<a name="line.267"></a> |
| <FONT color="green">268</FONT> if (m_alreadyKnown[idx])<a name="line.268"></a> |
| <FONT color="green">269</FONT> ret = m_isInEncoding[idx];<a name="line.269"></a> |
| <FONT color="green">270</FONT> else {<a name="line.270"></a> |
| <FONT color="green">271</FONT> // We don't know the answer, so find out,<a name="line.271"></a> |
| <FONT color="green">272</FONT> // which may be expensive, then cache the answer <a name="line.272"></a> |
| <FONT color="green">273</FONT> ret = inEncoding(high, low, m_encoding);<a name="line.273"></a> |
| <FONT color="green">274</FONT> m_alreadyKnown[idx] = true;<a name="line.274"></a> |
| <FONT color="green">275</FONT> m_isInEncoding[idx] = ret;<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> return ret;<a name="line.278"></a> |
| <FONT color="green">279</FONT> }<a name="line.279"></a> |
| <FONT color="green">280</FONT> <a name="line.280"></a> |
| <FONT color="green">281</FONT> /**<a name="line.281"></a> |
| <FONT color="green">282</FONT> * The encoding.<a name="line.282"></a> |
| <FONT color="green">283</FONT> */<a name="line.283"></a> |
| <FONT color="green">284</FONT> final private String m_encoding;<a name="line.284"></a> |
| <FONT color="green">285</FONT> /**<a name="line.285"></a> |
| <FONT color="green">286</FONT> * m_first through m_last is the range of unicode<a name="line.286"></a> |
| <FONT color="green">287</FONT> * values that this object will return an answer on.<a name="line.287"></a> |
| <FONT color="green">288</FONT> * It may delegate to a similar object with a different<a name="line.288"></a> |
| <FONT color="green">289</FONT> * range<a name="line.289"></a> |
| <FONT color="green">290</FONT> */<a name="line.290"></a> |
| <FONT color="green">291</FONT> final private int m_first;<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> * m_explFirst through m_explLast is the range of unicode<a name="line.294"></a> |
| <FONT color="green">295</FONT> * value that this object handles explicitly and does not<a name="line.295"></a> |
| <FONT color="green">296</FONT> * delegate to a similar object.<a name="line.296"></a> |
| <FONT color="green">297</FONT> */<a name="line.297"></a> |
| <FONT color="green">298</FONT> final private int m_explFirst;<a name="line.298"></a> |
| <FONT color="green">299</FONT> final private int m_explLast;<a name="line.299"></a> |
| <FONT color="green">300</FONT> final private int m_last;<a name="line.300"></a> |
| <FONT color="green">301</FONT> <a name="line.301"></a> |
| <FONT color="green">302</FONT> /**<a name="line.302"></a> |
| <FONT color="green">303</FONT> * The object, of the same type as this one,<a name="line.303"></a> |
| <FONT color="green">304</FONT> * that handles unicode values in a range before<a name="line.304"></a> |
| <FONT color="green">305</FONT> * the range explictly handled by this object, and<a name="line.305"></a> |
| <FONT color="green">306</FONT> * to which this object may delegate.<a name="line.306"></a> |
| <FONT color="green">307</FONT> */<a name="line.307"></a> |
| <FONT color="green">308</FONT> private InEncoding m_before;<a name="line.308"></a> |
| <FONT color="green">309</FONT> /**<a name="line.309"></a> |
| <FONT color="green">310</FONT> * The object, of the same type as this one,<a name="line.310"></a> |
| <FONT color="green">311</FONT> * that handles unicode values in a range after<a name="line.311"></a> |
| <FONT color="green">312</FONT> * the range explictly handled by this object, and<a name="line.312"></a> |
| <FONT color="green">313</FONT> * to which this object may delegate.<a name="line.313"></a> |
| <FONT color="green">314</FONT> */<a name="line.314"></a> |
| <FONT color="green">315</FONT> private InEncoding m_after;<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> * The number of unicode values explicitly handled<a name="line.318"></a> |
| <FONT color="green">319</FONT> * by a single EncodingInfo object. This value is <a name="line.319"></a> |
| <FONT color="green">320</FONT> * tuneable, but is set to 128 because that covers the<a name="line.320"></a> |
| <FONT color="green">321</FONT> * entire low range of ASCII type chars within a single<a name="line.321"></a> |
| <FONT color="green">322</FONT> * object.<a name="line.322"></a> |
| <FONT color="green">323</FONT> */<a name="line.323"></a> |
| <FONT color="green">324</FONT> private static final int RANGE = 128;<a name="line.324"></a> |
| <FONT color="green">325</FONT> <a name="line.325"></a> |
| <FONT color="green">326</FONT> /**<a name="line.326"></a> |
| <FONT color="green">327</FONT> * A flag to record if we already know the answer<a name="line.327"></a> |
| <FONT color="green">328</FONT> * for the given unicode value.<a name="line.328"></a> |
| <FONT color="green">329</FONT> */<a name="line.329"></a> |
| <FONT color="green">330</FONT> final private boolean m_alreadyKnown[] = new boolean[RANGE];<a name="line.330"></a> |
| <FONT color="green">331</FONT> /**<a name="line.331"></a> |
| <FONT color="green">332</FONT> * A table holding the answer on whether the given unicode<a name="line.332"></a> |
| <FONT color="green">333</FONT> * value is in the encoding.<a name="line.333"></a> |
| <FONT color="green">334</FONT> */<a name="line.334"></a> |
| <FONT color="green">335</FONT> final private boolean m_isInEncoding[] = new boolean[RANGE];<a name="line.335"></a> |
| <FONT color="green">336</FONT> <a name="line.336"></a> |
| <FONT color="green">337</FONT> private EncodingImpl() {<a name="line.337"></a> |
| <FONT color="green">338</FONT> // This object will answer whether any unicode value<a name="line.338"></a> |
| <FONT color="green">339</FONT> // is in the encoding, it handles values 0 through Integer.MAX_VALUE<a name="line.339"></a> |
| <FONT color="green">340</FONT> this(javaName, 0, Integer.MAX_VALUE, (char) 0);<a name="line.340"></a> |
| <FONT color="green">341</FONT> }<a name="line.341"></a> |
| <FONT color="green">342</FONT> <a name="line.342"></a> |
| <FONT color="green">343</FONT> private EncodingImpl(String encoding, int first, int last, int codePoint) {<a name="line.343"></a> |
| <FONT color="green">344</FONT> // Set the range of unicode values that this object manages<a name="line.344"></a> |
| <FONT color="green">345</FONT> // either explicitly or implicitly.<a name="line.345"></a> |
| <FONT color="green">346</FONT> m_first = first;<a name="line.346"></a> |
| <FONT color="green">347</FONT> m_last = last; <a name="line.347"></a> |
| <FONT color="green">348</FONT> <a name="line.348"></a> |
| <FONT color="green">349</FONT> // Set the range of unicode values that this object <a name="line.349"></a> |
| <FONT color="green">350</FONT> // explicitly manages<a name="line.350"></a> |
| <FONT color="green">351</FONT> m_explFirst = codePoint;<a name="line.351"></a> |
| <FONT color="green">352</FONT> m_explLast = codePoint + (RANGE-1); <a name="line.352"></a> |
| <FONT color="green">353</FONT> <a name="line.353"></a> |
| <FONT color="green">354</FONT> m_encoding = encoding;<a name="line.354"></a> |
| <FONT color="green">355</FONT> <a name="line.355"></a> |
| <FONT color="green">356</FONT> if (javaName != null)<a name="line.356"></a> |
| <FONT color="green">357</FONT> {<a name="line.357"></a> |
| <FONT color="green">358</FONT> // Some optimization.<a name="line.358"></a> |
| <FONT color="green">359</FONT> if (0 <= m_explFirst && m_explFirst <= 127) {<a name="line.359"></a> |
| <FONT color="green">360</FONT> // This particular EncodingImpl explicitly handles<a name="line.360"></a> |
| <FONT color="green">361</FONT> // characters in the low range.<a name="line.361"></a> |
| <FONT color="green">362</FONT> if ("UTF8".equals(javaName)<a name="line.362"></a> |
| <FONT color="green">363</FONT> || "UTF-16".equals(javaName)<a name="line.363"></a> |
| <FONT color="green">364</FONT> || "ASCII".equals(javaName)<a name="line.364"></a> |
| <FONT color="green">365</FONT> || "US-ASCII".equals(javaName)<a name="line.365"></a> |
| <FONT color="green">366</FONT> || "Unicode".equals(javaName)<a name="line.366"></a> |
| <FONT color="green">367</FONT> || "UNICODE".equals(javaName)<a name="line.367"></a> |
| <FONT color="green">368</FONT> || javaName.startsWith("ISO8859")) {<a name="line.368"></a> |
| <FONT color="green">369</FONT> <a name="line.369"></a> |
| <FONT color="green">370</FONT> // Not only does this EncodingImpl object explicitly<a name="line.370"></a> |
| <FONT color="green">371</FONT> // handle chracters in the low range, it is<a name="line.371"></a> |
| <FONT color="green">372</FONT> // also one that we know something about, without<a name="line.372"></a> |
| <FONT color="green">373</FONT> // needing to call inEncoding(char ch, String encoding)<a name="line.373"></a> |
| <FONT color="green">374</FONT> // for this low range<a name="line.374"></a> |
| <FONT color="green">375</FONT> //<a name="line.375"></a> |
| <FONT color="green">376</FONT> // By initializing the table ahead of time<a name="line.376"></a> |
| <FONT color="green">377</FONT> // for these low values, we prevent the expensive<a name="line.377"></a> |
| <FONT color="green">378</FONT> // inEncoding(char ch, String encoding)<a name="line.378"></a> |
| <FONT color="green">379</FONT> // from being called, at least for these common<a name="line.379"></a> |
| <FONT color="green">380</FONT> // encodings.<a name="line.380"></a> |
| <FONT color="green">381</FONT> for (int unicode = 1; unicode < 127; unicode++) {<a name="line.381"></a> |
| <FONT color="green">382</FONT> final int idx = unicode - m_explFirst;<a name="line.382"></a> |
| <FONT color="green">383</FONT> if (0 <= idx && idx < RANGE) {<a name="line.383"></a> |
| <FONT color="green">384</FONT> m_alreadyKnown[idx] = true;<a name="line.384"></a> |
| <FONT color="green">385</FONT> m_isInEncoding[idx] = true;<a name="line.385"></a> |
| <FONT color="green">386</FONT> }<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 little bit more than optimization.<a name="line.391"></a> |
| <FONT color="green">392</FONT> * <a name="line.392"></a> |
| <FONT color="green">393</FONT> * We will say that any character is in the encoding if<a name="line.393"></a> |
| <FONT color="green">394</FONT> * we don't have an encoding.<a name="line.394"></a> |
| <FONT color="green">395</FONT> * This is meaningful when the serializer is being used<a name="line.395"></a> |
| <FONT color="green">396</FONT> * in temporary output state, where we are not writing to<a name="line.396"></a> |
| <FONT color="green">397</FONT> * the final output tree. It is when writing to the<a name="line.397"></a> |
| <FONT color="green">398</FONT> * final output tree that we need to worry about the output<a name="line.398"></a> |
| <FONT color="green">399</FONT> * encoding<a name="line.399"></a> |
| <FONT color="green">400</FONT> */<a name="line.400"></a> |
| <FONT color="green">401</FONT> if (javaName == null) {<a name="line.401"></a> |
| <FONT color="green">402</FONT> for (int idx = 0; idx < m_alreadyKnown.length; idx++) {<a name="line.402"></a> |
| <FONT color="green">403</FONT> m_alreadyKnown[idx] = true;<a name="line.403"></a> |
| <FONT color="green">404</FONT> m_isInEncoding[idx] = true;<a name="line.404"></a> |
| <FONT color="green">405</FONT> }<a name="line.405"></a> |
| <FONT color="green">406</FONT> }<a name="line.406"></a> |
| <FONT color="green">407</FONT> }<a name="line.407"></a> |
| <FONT color="green">408</FONT> }<a name="line.408"></a> |
| <FONT color="green">409</FONT> }<a name="line.409"></a> |
| <FONT color="green">410</FONT> <a name="line.410"></a> |
| <FONT color="green">411</FONT> /**<a name="line.411"></a> |
| <FONT color="green">412</FONT> * This is heart of the code that determines if a given character<a name="line.412"></a> |
| <FONT color="green">413</FONT> * is in the given encoding. This method is probably expensive,<a name="line.413"></a> |
| <FONT color="green">414</FONT> * and the answer should be cached.<a name="line.414"></a> |
| <FONT color="green">415</FONT> * <p><a name="line.415"></a> |
| <FONT color="green">416</FONT> * This method is not a public API,<a name="line.416"></a> |
| <FONT color="green">417</FONT> * and should only be used internally within the serializer.<a name="line.417"></a> |
| <FONT color="green">418</FONT> * @param ch the char in question, that is not a high char of<a name="line.418"></a> |
| <FONT color="green">419</FONT> * a high/low surrogate pair.<a name="line.419"></a> |
| <FONT color="green">420</FONT> * @param encoding the Java name of the enocding.<a name="line.420"></a> |
| <FONT color="green">421</FONT> * <a name="line.421"></a> |
| <FONT color="green">422</FONT> * @xsl.usage internal<a name="line.422"></a> |
| <FONT color="green">423</FONT> * <a name="line.423"></a> |
| <FONT color="green">424</FONT> */<a name="line.424"></a> |
| <FONT color="green">425</FONT> private static boolean inEncoding(char ch, String encoding) {<a name="line.425"></a> |
| <FONT color="green">426</FONT> boolean isInEncoding;<a name="line.426"></a> |
| <FONT color="green">427</FONT> try {<a name="line.427"></a> |
| <FONT color="green">428</FONT> char cArray[] = new char[1];<a name="line.428"></a> |
| <FONT color="green">429</FONT> cArray[0] = ch;<a name="line.429"></a> |
| <FONT color="green">430</FONT> // Construct a String from the char <a name="line.430"></a> |
| <FONT color="green">431</FONT> String s = new String(cArray);<a name="line.431"></a> |
| <FONT color="green">432</FONT> // Encode the String into a sequence of bytes <a name="line.432"></a> |
| <FONT color="green">433</FONT> // using the given, named charset. <a name="line.433"></a> |
| <FONT color="green">434</FONT> byte[] bArray = s.getBytes(encoding);<a name="line.434"></a> |
| <FONT color="green">435</FONT> isInEncoding = inEncoding(ch, bArray);<a name="line.435"></a> |
| <FONT color="green">436</FONT> <a name="line.436"></a> |
| <FONT color="green">437</FONT> } catch (Exception e) {<a name="line.437"></a> |
| <FONT color="green">438</FONT> isInEncoding = false;<a name="line.438"></a> |
| <FONT color="green">439</FONT> <a name="line.439"></a> |
| <FONT color="green">440</FONT> // If for some reason the encoding is null, e.g.<a name="line.440"></a> |
| <FONT color="green">441</FONT> // for a temporary result tree, we should just<a name="line.441"></a> |
| <FONT color="green">442</FONT> // say that every character is in the encoding.<a name="line.442"></a> |
| <FONT color="green">443</FONT> if (encoding == null)<a name="line.443"></a> |
| <FONT color="green">444</FONT> isInEncoding = true;<a name="line.444"></a> |
| <FONT color="green">445</FONT> }<a name="line.445"></a> |
| <FONT color="green">446</FONT> return isInEncoding;<a name="line.446"></a> |
| <FONT color="green">447</FONT> }<a name="line.447"></a> |
| <FONT color="green">448</FONT> <a name="line.448"></a> |
| <FONT color="green">449</FONT> /**<a name="line.449"></a> |
| <FONT color="green">450</FONT> * This is heart of the code that determines if a given high/low<a name="line.450"></a> |
| <FONT color="green">451</FONT> * surrogate pair forms a character that is in the given encoding.<a name="line.451"></a> |
| <FONT color="green">452</FONT> * This method is probably expensive, and the answer should be cached. <a name="line.452"></a> |
| <FONT color="green">453</FONT> * <p><a name="line.453"></a> |
| <FONT color="green">454</FONT> * This method is not a public API,<a name="line.454"></a> |
| <FONT color="green">455</FONT> * and should only be used internally within the serializer.<a name="line.455"></a> |
| <FONT color="green">456</FONT> * @param high the high char of<a name="line.456"></a> |
| <FONT color="green">457</FONT> * a high/low surrogate pair.<a name="line.457"></a> |
| <FONT color="green">458</FONT> * @param low the low char of a high/low surrogate pair.<a name="line.458"></a> |
| <FONT color="green">459</FONT> * @param encoding the Java name of the encoding.<a name="line.459"></a> |
| <FONT color="green">460</FONT> * <a name="line.460"></a> |
| <FONT color="green">461</FONT> * @xsl.usage internal<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> private static boolean inEncoding(char high, char low, String encoding) {<a name="line.464"></a> |
| <FONT color="green">465</FONT> boolean isInEncoding;<a name="line.465"></a> |
| <FONT color="green">466</FONT> try {<a name="line.466"></a> |
| <FONT color="green">467</FONT> char cArray[] = new char[2];<a name="line.467"></a> |
| <FONT color="green">468</FONT> cArray[0] = high;<a name="line.468"></a> |
| <FONT color="green">469</FONT> cArray[1] = low;<a name="line.469"></a> |
| <FONT color="green">470</FONT> // Construct a String from the char <a name="line.470"></a> |
| <FONT color="green">471</FONT> String s = new String(cArray);<a name="line.471"></a> |
| <FONT color="green">472</FONT> // Encode the String into a sequence of bytes <a name="line.472"></a> |
| <FONT color="green">473</FONT> // using the given, named charset. <a name="line.473"></a> |
| <FONT color="green">474</FONT> byte[] bArray = s.getBytes(encoding);<a name="line.474"></a> |
| <FONT color="green">475</FONT> isInEncoding = inEncoding(high,bArray);<a name="line.475"></a> |
| <FONT color="green">476</FONT> } catch (Exception e) {<a name="line.476"></a> |
| <FONT color="green">477</FONT> isInEncoding = false;<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> return isInEncoding;<a name="line.480"></a> |
| <FONT color="green">481</FONT> } <a name="line.481"></a> |
| <FONT color="green">482</FONT> <a name="line.482"></a> |
| <FONT color="green">483</FONT> /**<a name="line.483"></a> |
| <FONT color="green">484</FONT> * This method is the core of determining if character<a name="line.484"></a> |
| <FONT color="green">485</FONT> * is in the encoding. The method is not foolproof, because<a name="line.485"></a> |
| <FONT color="green">486</FONT> * s.getBytes(encoding) has specified behavior only if the<a name="line.486"></a> |
| <FONT color="green">487</FONT> * characters are in the specified encoding. However this<a name="line.487"></a> |
| <FONT color="green">488</FONT> * method tries it's best.<a name="line.488"></a> |
| <FONT color="green">489</FONT> * @param ch the char that was converted using getBytes, or<a name="line.489"></a> |
| <FONT color="green">490</FONT> * the first char of a high/low pair that was converted.<a name="line.490"></a> |
| <FONT color="green">491</FONT> * @param data the bytes written out by the call to s.getBytes(encoding);<a name="line.491"></a> |
| <FONT color="green">492</FONT> * @return true if the character is in the encoding.<a name="line.492"></a> |
| <FONT color="green">493</FONT> */<a name="line.493"></a> |
| <FONT color="green">494</FONT> private static boolean inEncoding(char ch, byte[] data) {<a name="line.494"></a> |
| <FONT color="green">495</FONT> final boolean isInEncoding;<a name="line.495"></a> |
| <FONT color="green">496</FONT> // If the string written out as data is not in the encoding,<a name="line.496"></a> |
| <FONT color="green">497</FONT> // the output is not specified according to the documentation<a name="line.497"></a> |
| <FONT color="green">498</FONT> // on the String.getBytes(encoding) method,<a name="line.498"></a> |
| <FONT color="green">499</FONT> // but we do our best here. <a name="line.499"></a> |
| <FONT color="green">500</FONT> if (data==null || data.length == 0) {<a name="line.500"></a> |
| <FONT color="green">501</FONT> isInEncoding = false;<a name="line.501"></a> |
| <FONT color="green">502</FONT> }<a name="line.502"></a> |
| <FONT color="green">503</FONT> else {<a name="line.503"></a> |
| <FONT color="green">504</FONT> if (data[0] == 0)<a name="line.504"></a> |
| <FONT color="green">505</FONT> isInEncoding = false;<a name="line.505"></a> |
| <FONT color="green">506</FONT> else if (data[0] == '?' && ch != '?')<a name="line.506"></a> |
| <FONT color="green">507</FONT> isInEncoding = false;<a name="line.507"></a> |
| <FONT color="green">508</FONT> /*<a name="line.508"></a> |
| <FONT color="green">509</FONT> * else if (isJapanese) {<a name="line.509"></a> |
| <FONT color="green">510</FONT> * // isJapanese is really <a name="line.510"></a> |
| <FONT color="green">511</FONT> * // ( "EUC-JP".equals(javaName) <a name="line.511"></a> |
| <FONT color="green">512</FONT> * // || "EUC_JP".equals(javaName)<a name="line.512"></a> |
| <FONT color="green">513</FONT> * // || "SJIS".equals(javaName) )<a name="line.513"></a> |
| <FONT color="green">514</FONT> * <a name="line.514"></a> |
| <FONT color="green">515</FONT> * // Work around some bugs in JRE for Japanese<a name="line.515"></a> |
| <FONT color="green">516</FONT> * if(data[0] == 0x21)<a name="line.516"></a> |
| <FONT color="green">517</FONT> * isInEncoding = false;<a name="line.517"></a> |
| <FONT color="green">518</FONT> * else if (ch == 0xA5)<a name="line.518"></a> |
| <FONT color="green">519</FONT> * isInEncoding = false;<a name="line.519"></a> |
| <FONT color="green">520</FONT> * else<a name="line.520"></a> |
| <FONT color="green">521</FONT> * isInEncoding = true;<a name="line.521"></a> |
| <FONT color="green">522</FONT> * }<a name="line.522"></a> |
| <FONT color="green">523</FONT> */ <a name="line.523"></a> |
| <FONT color="green">524</FONT> <a name="line.524"></a> |
| <FONT color="green">525</FONT> else {<a name="line.525"></a> |
| <FONT color="green">526</FONT> // We don't know for sure, but it looks like it is in the encoding<a name="line.526"></a> |
| <FONT color="green">527</FONT> isInEncoding = true; <a name="line.527"></a> |
| <FONT color="green">528</FONT> }<a name="line.528"></a> |
| <FONT color="green">529</FONT> }<a name="line.529"></a> |
| <FONT color="green">530</FONT> return isInEncoding;<a name="line.530"></a> |
| <FONT color="green">531</FONT> }<a name="line.531"></a> |
| <FONT color="green">532</FONT> <a name="line.532"></a> |
| <FONT color="green">533</FONT> /**<a name="line.533"></a> |
| <FONT color="green">534</FONT> * This method exists for performance reasons.<a name="line.534"></a> |
| <FONT color="green">535</FONT> * <p><a name="line.535"></a> |
| <FONT color="green">536</FONT> * Except for '\u0000', if a char is less than or equal to the value<a name="line.536"></a> |
| <FONT color="green">537</FONT> * returned by this method then it in the encoding.<a name="line.537"></a> |
| <FONT color="green">538</FONT> * <p><a name="line.538"></a> |
| <FONT color="green">539</FONT> * The characters in an encoding are not contiguous, however<a name="line.539"></a> |
| <FONT color="green">540</FONT> * there is a lowest group of chars starting at '\u0001' upto and<a name="line.540"></a> |
| <FONT color="green">541</FONT> * including the char returned by this method that are all in the encoding.<a name="line.541"></a> |
| <FONT color="green">542</FONT> * So the char returned by this method essentially defines the lowest<a name="line.542"></a> |
| <FONT color="green">543</FONT> * contiguous group.<a name="line.543"></a> |
| <FONT color="green">544</FONT> * <p><a name="line.544"></a> |
| <FONT color="green">545</FONT> * chars above the value returned might be in the encoding, but <a name="line.545"></a> |
| <FONT color="green">546</FONT> * chars at or below the value returned are definately in the encoding.<a name="line.546"></a> |
| <FONT color="green">547</FONT> * <p><a name="line.547"></a> |
| <FONT color="green">548</FONT> * In any case however, the isInEncoding(char) method can be used<a name="line.548"></a> |
| <FONT color="green">549</FONT> * regardless of the value of the char returned by this method.<a name="line.549"></a> |
| <FONT color="green">550</FONT> * <p><a name="line.550"></a> |
| <FONT color="green">551</FONT> * If the value returned is '\u0000' it means that every character must be tested<a name="line.551"></a> |
| <FONT color="green">552</FONT> * with an isInEncoding method {@link #isInEncoding(char)} or {@link #isInEncoding(char, char)} <a name="line.552"></a> |
| <FONT color="green">553</FONT> * for surrogate pairs.<a name="line.553"></a> |
| <FONT color="green">554</FONT> * <p><a name="line.554"></a> |
| <FONT color="green">555</FONT> * This method is not a public API.<a name="line.555"></a> |
| <FONT color="green">556</FONT> * @xsl.usage internal<a name="line.556"></a> |
| <FONT color="green">557</FONT> */<a name="line.557"></a> |
| <FONT color="green">558</FONT> public final char getHighChar() {<a name="line.558"></a> |
| <FONT color="green">559</FONT> return m_highCharInContiguousGroup;<a name="line.559"></a> |
| <FONT color="green">560</FONT> }<a name="line.560"></a> |
| <FONT color="green">561</FONT> <a name="line.561"></a> |
| <FONT color="green">562</FONT> }<a name="line.562"></a> |
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