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annotate src/org/tmatesoft/hg/internal/PathRegexpMatcher.java @ 709:497e697636fc

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Report merged lines as changed block if possible, not as a sequence of added/deleted blocks. To facilitate access to merge parent lines AddBlock got mergeLineAt() method that reports index of the line in the second parent (if any), while insertedAt() has been changed to report index in the first parent always
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Wed, 21 Aug 2013 16:23:27 +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
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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
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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 }