source: release-kits/lirk3/bin/ant-installer/web/java2html/antinstaller/org/tp23/antinstaller/antmod/Jdk14RegexpRegexp.java.html@ 14982

Last change on this file since 14982 was 14982, checked in by oranfry, 16 years ago

initial import of LiRK3
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12<font size="4" class="ClassName">Jdk14RegexpRegexp.java</font>
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17<pre CLASS="Classes">
18<FONT CLASS="LN">1 </FONT><A NAME="1"></A><FONT CLASS="MultiLineComment">/*
19<FONT CLASS="LN">2 </FONT><A NAME="2"></A> * Copyright 2001-2004 The Apache Software Foundation
20<FONT CLASS="LN">3 </FONT><A NAME="3"></A> *
21<FONT CLASS="LN">4 </FONT><A NAME="4"></A> * Licensed under the Apache License, Version 2.0 (the "License");
22<FONT CLASS="LN">5 </FONT><A NAME="5"></A> * you may not use this file except in compliance with the License.
23<FONT CLASS="LN">6 </FONT><A NAME="6"></A> * You may obtain a copy of the License at
24<FONT CLASS="LN">7 </FONT><A NAME="7"></A> *
25<FONT CLASS="LN">8 </FONT><A NAME="8"></A> * http://www.apache.org/licenses/LICENSE-2.0
26<FONT CLASS="LN">9 </FONT><A NAME="9"></A> *
27<FONT CLASS="LN">10</FONT><A NAME="10"></A> * Unless required by applicable law or agreed to in writing, software
28<FONT CLASS="LN">11</FONT><A NAME="11"></A> * distributed under the License is distributed on an "AS IS" BASIS,
29<FONT CLASS="LN">12</FONT><A NAME="12"></A> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
30<FONT CLASS="LN">13</FONT><A NAME="13"></A> * See the License for the specific language governing permissions and
31<FONT CLASS="LN">14</FONT><A NAME="14"></A> * limitations under the License.
32<FONT CLASS="LN">15</FONT><A NAME="15"></A> *
33<FONT CLASS="LN">16</FONT><A NAME="16"></A> */</FONT>
34<FONT CLASS="LN">17</FONT><A NAME="17"></A><FONT CLASS="Package">package</FONT> <A HREF="../../../../org.tp23.antinstaller.antmod.index.html" target="packageFrame">org.tp23.antinstaller.antmod</A>;
35<FONT CLASS="LN">18</FONT><A NAME="18"></A>
36<FONT CLASS="LN">19</FONT><A NAME="19"></A>
37<FONT CLASS="LN">20</FONT><A NAME="20"></A><FONT CLASS="Import">import</FONT> java.util.regex.Matcher;
38<FONT CLASS="LN">21</FONT><A NAME="21"></A><FONT CLASS="Import">import</FONT> java.util.regex.Pattern;
39<FONT CLASS="LN">22</FONT><A NAME="22"></A>
40<FONT CLASS="LN">23</FONT><A NAME="23"></A><FONT CLASS="Import">import</FONT> org.apache.tools.ant.BuildException;
41<FONT CLASS="LN">24</FONT><A NAME="24"></A><FONT CLASS="Import">import</FONT> org.apache.tools.ant.util.regexp.Regexp;
42<FONT CLASS="LN">25</FONT><A NAME="25"></A><FONT CLASS="Import">import</FONT> org.apache.tools.ant.util.regexp.RegexpUtil;
43<FONT CLASS="LN">26</FONT><A NAME="26"></A>
44<FONT CLASS="LN">27</FONT><A NAME="27"></A>
45<FONT CLASS="LN">28</FONT><A NAME="28"></A><FONT CLASS="FormalComment">/***
46<FONT CLASS="LN">29</FONT><A NAME="29"></A> * Regular expression implementation using the JDK 1.4 regular expression package
47<FONT CLASS="LN">30</FONT><A NAME="30"></A> */</FONT>
48<FONT CLASS="LN">31</FONT><A NAME="31"></A><FONT CLASS="Public">public</FONT> <FONT CLASS="Class">class</FONT> Jdk14RegexpRegexp <FONT CLASS="Extends">extends</FONT> <A HREF="../../../../org/tp23/antinstaller/antmod/Jdk14RegexpMatcher.java.html">Jdk14RegexpMatcher</A> <FONT CLASS="Implements">implements</FONT> Regexp {
49<FONT CLASS="LN">32</FONT><A NAME="32"></A>
50<FONT CLASS="LN">33</FONT><A NAME="33"></A> <FONT CLASS="Public">public</FONT> Jdk14RegexpRegexp() {
51<FONT CLASS="LN">34</FONT><A NAME="34"></A> <FONT CLASS="Super">super</FONT>();
52<FONT CLASS="LN">35</FONT><A NAME="35"></A> }
53<FONT CLASS="LN">36</FONT><A NAME="36"></A>
54<FONT CLASS="LN">37</FONT><A NAME="37"></A> <FONT CLASS="Protected">protected</FONT> <FONT CLASS="Int">int</FONT> getSubsOptions(<FONT CLASS="Int">int</FONT> options) {
55<FONT CLASS="LN">38</FONT><A NAME="38"></A> <FONT CLASS="Int">int</FONT> subsOptions = REPLACE_FIRST;
56<FONT CLASS="LN">39</FONT><A NAME="39"></A> <FONT CLASS="If">if</FONT> (RegexpUtil.hasFlag(options, REPLACE_ALL)) {
57<FONT CLASS="LN">40</FONT><A NAME="40"></A> subsOptions = REPLACE_ALL;
58<FONT CLASS="LN">41</FONT><A NAME="41"></A> }
59<FONT CLASS="LN">42</FONT><A NAME="42"></A> <FONT CLASS="Return">return</FONT> subsOptions;
60<FONT CLASS="LN">43</FONT><A NAME="43"></A> }
61<FONT CLASS="LN">44</FONT><A NAME="44"></A>
62<FONT CLASS="LN">45</FONT><A NAME="45"></A> <FONT CLASS="Public">public</FONT> String substitute(String input, String argument, <FONT CLASS="Int">int</FONT> options)
63<FONT CLASS="LN">46</FONT><A NAME="46"></A> <FONT CLASS="Throws">throws</FONT> BuildException {
64<FONT CLASS="LN">47</FONT><A NAME="47"></A> <FONT CLASS="SingleLineComment">// translate \1 to $(1) so that the Matcher will work
65<FONT CLASS="LN">48</FONT><A NAME="48"></A></FONT> StringBuffer subst = <FONT CLASS="New">new</FONT> StringBuffer();
66<FONT CLASS="LN">49</FONT><A NAME="49"></A> <FONT CLASS="For">for</FONT> (<FONT CLASS="Int">int</FONT> i = <FONT CLASS="IntegerLiteral">0</FONT>; i &lt; argument.length(); i++) {
67<FONT CLASS="LN">50</FONT><A NAME="50"></A> <FONT CLASS="Char">char</FONT> c = argument.charAt(i);
68<FONT CLASS="LN">51</FONT><A NAME="51"></A> <FONT CLASS="If">if</FONT> (c == <FONT CLASS="CharacerLiteral">'$'</FONT>) {
69<FONT CLASS="LN">52</FONT><A NAME="52"></A> subst.append(<FONT CLASS="CharacerLiteral">'\\'</FONT>);
70<FONT CLASS="LN">53</FONT><A NAME="53"></A> subst.append(<FONT CLASS="CharacerLiteral">'$'</FONT>);
71<FONT CLASS="LN">54</FONT><A NAME="54"></A> } <FONT CLASS="Else">else</FONT> <FONT CLASS="If">if</FONT> (c == <FONT CLASS="CharacerLiteral">'\\'</FONT>) {
72<FONT CLASS="LN">55</FONT><A NAME="55"></A> <FONT CLASS="If">if</FONT> (++i &lt; argument.length()) {
73<FONT CLASS="LN">56</FONT><A NAME="56"></A> c = argument.charAt(i);
74<FONT CLASS="LN">57</FONT><A NAME="57"></A> <FONT CLASS="Int">int</FONT> value = Character.digit(c, <FONT CLASS="IntegerLiteral">10</FONT>);
75<FONT CLASS="LN">58</FONT><A NAME="58"></A> <FONT CLASS="If">if</FONT> (value &gt; -<FONT CLASS="IntegerLiteral">1</FONT>) {
76<FONT CLASS="LN">59</FONT><A NAME="59"></A> subst.append(<FONT CLASS="StringLiteral">"$"</FONT>).append(value);
77<FONT CLASS="LN">60</FONT><A NAME="60"></A> } <FONT CLASS="Else">else</FONT> {
78<FONT CLASS="LN">61</FONT><A NAME="61"></A> subst.append(c);
79<FONT CLASS="LN">62</FONT><A NAME="62"></A> }
80<FONT CLASS="LN">63</FONT><A NAME="63"></A> } <FONT CLASS="Else">else</FONT> {
81<FONT CLASS="LN">64</FONT><A NAME="64"></A> <FONT CLASS="SingleLineComment">// XXX - should throw an exception instead?
82<FONT CLASS="LN">65</FONT><A NAME="65"></A></FONT> subst.append(<FONT CLASS="CharacerLiteral">'\\'</FONT>);
83<FONT CLASS="LN">66</FONT><A NAME="66"></A> }
84<FONT CLASS="LN">67</FONT><A NAME="67"></A> } <FONT CLASS="Else">else</FONT> {
85<FONT CLASS="LN">68</FONT><A NAME="68"></A> subst.append(c);
86<FONT CLASS="LN">69</FONT><A NAME="69"></A> }
87<FONT CLASS="LN">70</FONT><A NAME="70"></A> }
88<FONT CLASS="LN">71</FONT><A NAME="71"></A> argument = subst.toString();
89<FONT CLASS="LN">72</FONT><A NAME="72"></A>
90<FONT CLASS="LN">73</FONT><A NAME="73"></A> <FONT CLASS="Int">int</FONT> sOptions = getSubsOptions(options);
91<FONT CLASS="LN">74</FONT><A NAME="74"></A> Pattern p = getCompiledPattern(options);
92<FONT CLASS="LN">75</FONT><A NAME="75"></A> StringBuffer sb = <FONT CLASS="New">new</FONT> StringBuffer();
93<FONT CLASS="LN">76</FONT><A NAME="76"></A>
94<FONT CLASS="LN">77</FONT><A NAME="77"></A> Matcher m = p.matcher(input);
95<FONT CLASS="LN">78</FONT><A NAME="78"></A> <FONT CLASS="If">if</FONT> (RegexpUtil.hasFlag(sOptions, REPLACE_ALL)) {
96<FONT CLASS="LN">79</FONT><A NAME="79"></A> sb.append(m.replaceAll(argument));
97<FONT CLASS="LN">80</FONT><A NAME="80"></A> } <FONT CLASS="Else">else</FONT> {
98<FONT CLASS="LN">81</FONT><A NAME="81"></A> <FONT CLASS="Boolean">boolean</FONT> res = m.find();
99<FONT CLASS="LN">82</FONT><A NAME="82"></A> <FONT CLASS="If">if</FONT> (res) {
100<FONT CLASS="LN">83</FONT><A NAME="83"></A> m.appendReplacement(sb, argument);
101<FONT CLASS="LN">84</FONT><A NAME="84"></A> m.appendTail(sb);
102<FONT CLASS="LN">85</FONT><A NAME="85"></A> } <FONT CLASS="Else">else</FONT> {
103<FONT CLASS="LN">86</FONT><A NAME="86"></A> sb.append(input);
104<FONT CLASS="LN">87</FONT><A NAME="87"></A> }
105<FONT CLASS="LN">88</FONT><A NAME="88"></A> }
106<FONT CLASS="LN">89</FONT><A NAME="89"></A>
107<FONT CLASS="LN">90</FONT><A NAME="90"></A> <FONT CLASS="Return">return</FONT> sb.toString();
108<FONT CLASS="LN">91</FONT><A NAME="91"></A> }
109<FONT CLASS="LN">92</FONT><A NAME="92"></A>}
110<FONT CLASS="LN">93</FONT><A NAME="93"></A></pre>
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