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| <pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a> |
| <span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> *<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> *<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing,<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * software distributed under the License is distributed on an<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * KIND, either express or implied. See the License for the<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * specific language governing permissions and limitations<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> * under the License.<a name="line.17"></a> |
| <span class="sourceLineNo">018</span> */<a name="line.18"></a> |
| <span class="sourceLineNo">019</span><a name="line.19"></a> |
| <span class="sourceLineNo">020</span>package org.apache.felix.ipojo.manipulator;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span><a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.util.ArrayList;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.util.List;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span><a name="line.24"></a> |
| <span class="sourceLineNo">025</span>/**<a name="line.25"></a> |
| <span class="sourceLineNo">026</span> * Parse on OSGi Manifest clause.<a name="line.26"></a> |
| <span class="sourceLineNo">027</span> * @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a><a name="line.27"></a> |
| <span class="sourceLineNo">028</span> */<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>public class QuotedTokenizer {<a name="line.29"></a> |
| <span class="sourceLineNo">030</span> /**<a name="line.30"></a> |
| <span class="sourceLineNo">031</span> * String to parse.<a name="line.31"></a> |
| <span class="sourceLineNo">032</span> */<a name="line.32"></a> |
| <span class="sourceLineNo">033</span> String m_string;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span><a name="line.34"></a> |
| <span class="sourceLineNo">035</span> /**<a name="line.35"></a> |
| <span class="sourceLineNo">036</span> * Index.<a name="line.36"></a> |
| <span class="sourceLineNo">037</span> */<a name="line.37"></a> |
| <span class="sourceLineNo">038</span> int m_index = 0;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span><a name="line.39"></a> |
| <span class="sourceLineNo">040</span> /**<a name="line.40"></a> |
| <span class="sourceLineNo">041</span> * Default separator to use.<a name="line.41"></a> |
| <span class="sourceLineNo">042</span> */<a name="line.42"></a> |
| <span class="sourceLineNo">043</span> String m_separators;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span><a name="line.44"></a> |
| <span class="sourceLineNo">045</span> /**<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> * Does the tokenizer returns token.<a name="line.46"></a> |
| <span class="sourceLineNo">047</span> */<a name="line.47"></a> |
| <span class="sourceLineNo">048</span> boolean m_returnTokens;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span><a name="line.49"></a> |
| <span class="sourceLineNo">050</span> /**<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> * Peek.<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> */<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> String m_peek;<a name="line.53"></a> |
| <span class="sourceLineNo">054</span><a name="line.54"></a> |
| <span class="sourceLineNo">055</span> /**<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> * Separator.<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> */<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> char m_separator;<a name="line.58"></a> |
| <span class="sourceLineNo">059</span><a name="line.59"></a> |
| <span class="sourceLineNo">060</span> /**<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> * Constructors.<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> * @param string : input String.<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> * @param separators : separators.<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> * @param returnTokens : should the tokenizer return tokens ?<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> */<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> public QuotedTokenizer(String string, String separators, boolean returnTokens) {<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> if (string == null) {<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> throw new IllegalArgumentException("string argument must be not null");<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> }<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> this.m_string = string;<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> this.m_separators = separators;<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> this.m_returnTokens = returnTokens;<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> }<a name="line.73"></a> |
| <span class="sourceLineNo">074</span><a name="line.74"></a> |
| <span class="sourceLineNo">075</span> /**<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> * Constructors.<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> * Set returnTokens to false.<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> * @param string : input String.<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> * @param separators : separators<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> */<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> public QuotedTokenizer(String string, String separators) {<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> this(string, separators, false);<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> }<a name="line.83"></a> |
| <span class="sourceLineNo">084</span><a name="line.84"></a> |
| <span class="sourceLineNo">085</span> /**<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> * Get the next token.<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> * @param separators : separators to used.<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> * @return : the next token.<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> */<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> public String nextToken(String separators) {<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> m_separator = 0;<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> if (m_peek != null) {<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> String tmp = m_peek;<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> m_peek = null;<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> return tmp;<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> }<a name="line.96"></a> |
| <span class="sourceLineNo">097</span><a name="line.97"></a> |
| <span class="sourceLineNo">098</span> if (m_index == m_string.length()) { return null; }<a name="line.98"></a> |
| <span class="sourceLineNo">099</span><a name="line.99"></a> |
| <span class="sourceLineNo">100</span> StringBuffer sb = new StringBuffer();<a name="line.100"></a> |
| <span class="sourceLineNo">101</span><a name="line.101"></a> |
| <span class="sourceLineNo">102</span> while (m_index < m_string.length()) {<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> char c = m_string.charAt(m_index++);<a name="line.103"></a> |
| <span class="sourceLineNo">104</span><a name="line.104"></a> |
| <span class="sourceLineNo">105</span> if (Character.isWhitespace(c)) {<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> if (m_index == m_string.length()) {<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> break;<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> } else {<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> continue;<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> }<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> }<a name="line.111"></a> |
| <span class="sourceLineNo">112</span><a name="line.112"></a> |
| <span class="sourceLineNo">113</span> if (separators.indexOf(c) >= 0) {<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> if (m_returnTokens) {<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> m_peek = Character.toString(c);<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> } else {<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> m_separator = c;<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> }<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> break;<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> }<a name="line.120"></a> |
| <span class="sourceLineNo">121</span><a name="line.121"></a> |
| <span class="sourceLineNo">122</span> switch (c) {<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> case '"':<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> case '\'':<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> quotedString(sb, c);<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> break;<a name="line.126"></a> |
| <span class="sourceLineNo">127</span><a name="line.127"></a> |
| <span class="sourceLineNo">128</span> default:<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> sb.append(c);<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> }<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> }<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> String result = sb.toString().trim();<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> if (result.length() == 0 && m_index == m_string.length()) { return null; }<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> return result;<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> }<a name="line.135"></a> |
| <span class="sourceLineNo">136</span><a name="line.136"></a> |
| <span class="sourceLineNo">137</span> /**<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> * Get the next token.<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> * Used the defined separators.<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> * @return the next token.<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> */<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> public String nextToken() {<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> return nextToken(m_separators);<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> }<a name="line.144"></a> |
| <span class="sourceLineNo">145</span><a name="line.145"></a> |
| <span class="sourceLineNo">146</span> /**<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> * Append the next quote to the given String Buffer.<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> * @param sb : accumulator.<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> * @param c : quote.<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> */<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> private void quotedString(StringBuffer sb, char c) {<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> char quote = c;<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> while (m_index < m_string.length()) {<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> c = m_string.charAt(m_index++);<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> if (c == quote) { break; }<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> if (c == '\\' && m_index < m_string.length() && m_string.charAt(m_index + 1) == quote) {<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> c = m_string.charAt(m_index++);<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> }<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> sb.append(c);<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> }<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> }<a name="line.161"></a> |
| <span class="sourceLineNo">162</span><a name="line.162"></a> |
| <span class="sourceLineNo">163</span> public String[] getTokens() {<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> return getTokens(0);<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> }<a name="line.165"></a> |
| <span class="sourceLineNo">166</span><a name="line.166"></a> |
| <span class="sourceLineNo">167</span> /**<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> * Get the list of tokens.<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> * @param cnt : array length.<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> * @return : the array of token.<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> */<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> private String[] getTokens(int cnt) {<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> String token = nextToken();<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> if (token == null) {<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> return new String[cnt];<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> }<a name="line.176"></a> |
| <span class="sourceLineNo">177</span><a name="line.177"></a> |
| <span class="sourceLineNo">178</span> String[] result = getTokens(cnt + 1);<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> result[cnt] = token;<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> return result;<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> }<a name="line.181"></a> |
| <span class="sourceLineNo">182</span><a name="line.182"></a> |
| <span class="sourceLineNo">183</span> public char getSeparator() {<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> return m_separator;<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> }<a name="line.185"></a> |
| <span class="sourceLineNo">186</span><a name="line.186"></a> |
| <span class="sourceLineNo">187</span> /**<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> * Get token list.<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> * @return the list of token.<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> */<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> public List<String> getTokenSet() {<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> List<String> list = new ArrayList<String>();<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> String token = nextToken();<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> while (token != null) {<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> list.add(token);<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> token = nextToken();<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> }<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> return list;<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> }<a name="line.199"></a> |
| <span class="sourceLineNo">200</span>}<a name="line.200"></a> |
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| </pre> |
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