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annotate test/org/tmatesoft/hg/test/LogOutputParser.java @ 656:a937e63b6e02

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Performance: rebuild information about branches takes too long (my improvement: 3 times, 11-15 s to less than 4 sec)
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Thu, 04 Jul 2013 18:40:03 +0200
parents 2f9ed6bcefa2
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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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15 * contact TMate Software at support@hg4j.com
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16 */
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17 package org.tmatesoft.hg.test;
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18
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19 import java.util.LinkedList;
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20 import java.util.List;
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21 import java.util.regex.Matcher;
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22 import java.util.regex.Pattern;
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23
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24 import org.tmatesoft.hg.internal.Internals;
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25
70
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26
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27 /**
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28 *
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29 * @author Artem Tikhomirov
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30 * @author TMate Software Ltd.
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31 */
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32 public class LogOutputParser implements OutputParser {
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33 private final List<Record> result = new LinkedList<Record>();
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34 private Pattern pattern1;
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35 private Pattern pattern2;
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36 private Pattern pattern3;
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37 private Pattern pattern4;
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38 private Pattern pattern5;
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39
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40 public LogOutputParser(boolean outputWithDebug) {
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41 if (outputWithDebug) {
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42 pattern1 = Pattern.compile("^changeset:\\s+(\\d+):([a-f0-9]{40})\n(^tag:(.+)$)?", Pattern.MULTILINE);
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43 pattern2 = Pattern.compile("^parent:\\s+(-?\\d+):([a-f0-9]{40})\n", Pattern.MULTILINE);
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44 pattern3 = Pattern.compile("^manifest:\\s+(\\d+):([a-f0-9]{40})\nuser:\\s+(\\S.+)\ndate:\\s+(\\S.+)\n", Pattern.MULTILINE);
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45 pattern4 = Pattern.compile("^description:\\n", Pattern.MULTILINE);
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46 pattern5 = Pattern.compile("\\n\\n");
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47 //p = "^manifest:\\s+(\\d+):([a-f0-9]{40})\nuser:(.+)$";
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48 } else {
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49 throw Internals.notImplemented();
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50 }
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51 }
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52
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53 public void reset() {
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54 result.clear();
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55 }
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56
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57 public List<Record> getResult() {
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58 return result;
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59 }
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60
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61 public void parse(CharSequence seq) {
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62 Matcher m = pattern1.matcher(seq);
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63 while (m.find()) {
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64 Record r = new Record();
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65 r.changesetIndex = Integer.parseInt(m.group(1));
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66 r.changesetNodeid = m.group(2);
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67 //tags = m.group(4);
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68 m.usePattern(pattern2);
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69 if (m.find()) {
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70 r.parent1Index = Integer.parseInt(m.group(1));
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71 r.parent1Nodeid = m.group(2);
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72 }
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73 if (m.find()) {
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74 r.parent2Index = Integer.parseInt(m.group(1));
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75 r.parent2Nodeid = m.group(2);
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76 }
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77 m.usePattern(pattern3);
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78 if (m.find()) {
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79 r.user = m.group(3);
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80 r.date = m.group(4);
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81 }
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82 m.usePattern(pattern4);
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83 if (m.find()) {
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84 int commentStart = m.end();
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85 m.usePattern(pattern5);
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86 if (m.find()) {
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87 r.description = seq.subSequence(commentStart, m.start()).toString();
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88 }
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89 }
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90 result.add(r);
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91 m.usePattern(pattern1);
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92 }
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93 }
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94
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95 public static class Record {
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96 public int changesetIndex;
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97 public String changesetNodeid;
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98 public int parent1Index;
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99 public int parent2Index;
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100 public String parent1Nodeid;
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101 public String parent2Nodeid;
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102 public String user;
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103 public String date;
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104 public String description;
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105
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106 @Override
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107 public String toString() {
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108 return String.format("R(%d:%s)", changesetIndex, changesetNodeid.substring(0, 7));
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109 }
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110 }
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111 }