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annotate src/org/tmatesoft/hg/internal/PathRegexpMatcher.java @ 695:053bb4397bf9

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Refactoring: nice Revlog.indexWalk() implementation
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Mon, 05 Aug 2013 18:45:16 +0200
parents 4a948ec83980
children
rev   line source
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1 /*
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2 * Copyright (c) 2011 TMate Software Ltd
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3 *
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4 * This program is free software; you can redistribute it and/or modify
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5 * it under the terms of the GNU General Public License as published by
46291ec605a0 Filters to read and initialize according to configuration files
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6 * the Free Software Foundation; version 2 of the License.
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7 *
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8 * This program is distributed in the hope that it will be useful,
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9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
46291ec605a0 Filters to read and initialize according to configuration files
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10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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11 * GNU General Public License for more details.
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12 *
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13 * For information on how to redistribute this software under
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14 * the terms of a license other than GNU General Public License
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7567f4a42fe5 Correct contact address
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15 * contact TMate Software at support@hg4j.com
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16 */
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17 package org.tmatesoft.hg.internal;
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18
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19 import java.util.regex.Pattern;
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20 import java.util.regex.PatternSyntaxException;
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21
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4a948ec83980 core.Path to util.Path as it's not Hg repo dependant
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22 import org.tmatesoft.hg.util.Path;
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23 import org.tmatesoft.hg.util.Path.Matcher;
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24
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25 /**
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26 *
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27 * @author Artem Tikhomirov
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28 * @author TMate Software Ltd.
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29 */
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30 public class PathRegexpMatcher implements Matcher {
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31 private Pattern[] patterns;
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32
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33 // disjunction, matches if any pattern found
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34 // uses pattern.find(), not pattern.matches()
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35 public PathRegexpMatcher(Pattern... p) {
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36 if (p == null) {
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37 throw new IllegalArgumentException();
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38 }
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39 patterns = p;
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40 }
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41
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42 public PathRegexpMatcher(String... p) throws PatternSyntaxException {
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43 this(compile(p));
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44 }
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45
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46 private static Pattern[] compile(String[] p) throws PatternSyntaxException {
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47 // deliberately do no check for null, let it fail
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48 Pattern[] rv = new Pattern[p.length];
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49 int i = 0;
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50 for (String s : p) {
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51 rv[i++] = Pattern.compile(s);
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52 }
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53 return rv;
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54 }
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55
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56 public boolean accept(Path path) {
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57 for (Pattern p : patterns) {
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58 if (p.matcher(path).find()) {
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59 return true;
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60 }
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61 }
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62 return false;
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63 }
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64 }