1 /*
2 Java Regular Expressions Plugin API
3
4 Copyright (C) 2002 Jose San Leandro Armend?riz
5 jsanleandro@yahoo.es
6 chousz@yahoo.com
7
8 This library is free software; you can redistribute it and/or
9 modify it under the terms of the GNU Lesser General Public
10 License as published by the Free Software Foundation; either
11 version 2.1 of the License, or (at your option) any later version.
12
13 This library is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 Lesser General Public License for more details.
17
18 You should have received a copy of the GNU Lesser General Public
19 License along with this library; if not, write to the Free Software
20 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21
22 Thanks to ACM S.L. for distributing this library under the LGPL license.
23 Contact info: jsr000@terra.es
24 Postal Address: c/Playa de Lagoa, 1
25 Urb. Valdecaba?as
26 Boadilla del monte
27 28660 Madrid
28 Spain
29
30 This library uses some external APIs. So far I haven't released such
31 APIs as projects themselves, but you should be able
32 to download them from the web page where you got this source code.
33
34 ******************************************************************************
35 *
36 * Filename: $RCSfile: MatchResultGNUAdapter.java,v $
37 *
38 * Author: Jose San Leandro Armend?riz
39 *
40 * Description: Represents the result of match in a regexp parsing
41 * process using GNU Regexp 1.1.4 package.
42 *
43 * Last modified by: $Author: dev $ at $Date: 2002/09/27 08:27:14 $
44 *
45 * File version: $Revision: 1.4 $
46 *
47 * Project version: $Name: $
48 * ("Name" means no concrete version has been checked out)
49 *
50 * $Id: MatchResultGNUAdapter.java,v 1.4 2002/09/27 08:27:14 dev Exp $
51 *
52 */
53 package org.acmsl.regexpplugin.gnuregexp;
54
55 /*
56 * Importing some project-specific classes.
57 */
58 import org.acmsl.regexpplugin.MatchResult;
59
60 /*
61 * Importing some ACM classes.
62 */
63 import org.acmsl.version.Version;
64 import org.acmsl.version.VersionFactory;
65
66 /*
67 * Importing some GNU Regexp 1.1.4 classes.
68 */
69 import gnu.regexp.REMatch;
70
71 /***
72 * Represents the result of match in a regexp parsing process using
73 * GNU Regexp 1.1.4 package.
74 * @author <a href="mailto:jsanleandro@yahoo.es"
75 >Jose San Leandro Armend?riz</a>
76 * @version $Revision: 1.4 $
77 */
78 public class MatchResultGNUAdapter
79 implements MatchResult
80 {
81 /***
82 * Adapted object.
83 */
84 private REMatch m__Adaptee;
85
86 /***
87 * Group count.
88 */
89 private int m__iGroups = 0;
90
91 /***
92 * Constructs a MatchResultGNUAdapter from given GNU Regexp 1.1.4
93 * REMatch instance.
94 * @param adaptee GNU Regexp 1.1.4 REMatch object to adapt.
95 * @param groups the group count.
96 */
97 public MatchResultGNUAdapter(REMatch adaptee, int groups)
98 {
99 setAdaptee(adaptee);
100
101 setGroups(groups);
102 }
103
104 /***
105 * Sets the adaptee.
106 * @param adaptee the instance to adapt.
107 */
108 protected void setAdaptee(REMatch adaptee)
109 {
110 m__Adaptee = adaptee;
111 }
112
113 /***
114 * Retrieves the adaptee.
115 * @return the instance to adapt.
116 */
117 protected REMatch getAdaptee()
118 {
119 return m__Adaptee;
120 }
121
122 /***
123 * Taken from JDK1.4 javadoc:
124 * <i>Returns the string matching the given subexpression. The
125 * subexpressions are indexed starting with one, not zero.
126 * That is, the subexpression identified by the first set of
127 * parentheses in a regular expression could be retrieved from an
128 * REMatch by calling match.toString(1).
129 * @param group Index of the subexpression.
130 * @return the group matched at given position.
131 */
132 public String group(int group)
133 {
134 return
135 (getAdaptee() == null)
136 ? ""
137 : (group < 1)
138 ? getAdaptee().toString()
139 : getAdaptee().toString(group);
140 }
141
142 /***
143 * Taken from GNU Regexp 1.4 javadoc:
144 * <i>Returns the maximum number of subexpressions in this regular
145 * expression</i>.
146 * @return such value.
147 */
148 public int groups()
149 {
150 return m__iGroups;
151 }
152
153 /***
154 * Sets the group count.
155 * @param groups the number of groups.
156 */
157 protected void setGroups(int groups)
158 {
159 m__iGroups = groups;
160 }
161
162 /***
163 * Concrete version object updated everytime it's checked-in in a CVS
164 * repository.
165 */
166 public static final Version VERSION =
167 VersionFactory.createVersion("$Revision: 1.4 $");
168
169 /***
170 * Retrieves the current version of this object.
171 * @return the version object with such information.
172 */
173 public Version getVersion()
174 {
175 return VERSION;
176 }
177
178 /***
179 * Retrieves the current version of this class.
180 * @return the object with class version information.
181 */
182 public static Version getClassVersion()
183 {
184 return VERSION;
185 }
186 }
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