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annotate cmdline/org/tmatesoft/hg/console/Options.java @ 122:e93101b97e4a

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Subtle defect: long & int constant gives wrong results for i2 > 32000+
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Fri, 04 Feb 2011 04:05:27 +0100
parents a3a2e5deb320
children b9700740553a
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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15 * contact TMate Software at support@hg4j.com
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16 */
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17 package org.tmatesoft.hg.console;
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18
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19 import java.util.ArrayList;
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20 import java.util.Arrays;
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21 import java.util.Collections;
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22 import java.util.Iterator;
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23 import java.util.LinkedHashSet;
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24 import java.util.LinkedList;
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25 import java.util.List;
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26 import java.util.Set;
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27
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28 import org.tmatesoft.hg.repo.HgRepository;
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29 import org.tmatesoft.hg.repo.HgLookup;
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30
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31 /**
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32 * Parse command-line options
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33 *
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34 * @author Artem Tikhomirov
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35 * @author TMate Software Ltd.
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36 */
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37 class Options {
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38
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39 public String repoLocation;
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40 public List<String> files;
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41 public int limit = -1;
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42 public Set<String> users;
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43 public Set<String> branches;
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44
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45 public HgRepository findRepository() throws Exception {
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46 if (repoLocation != null) {
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47 return new HgLookup().detect(repoLocation);
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48 }
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49 return new HgLookup().detectFromWorkingDir();
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50 }
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51
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52
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53 public static Options parse(String[] commandLineArgs) {
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54 Options rv = new Options();
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55 List<String> args = Arrays.asList(commandLineArgs);
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56 LinkedList<String> files = new LinkedList<String>();
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57 for (Iterator<String> it = args.iterator(); it.hasNext(); ) {
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58 String arg = it.next();
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59 if (arg.charAt(0) == '-') {
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60 // option
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61 if (arg.length() == 1) {
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62 throw new IllegalArgumentException("Bad option: -");
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63 }
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64 switch ((int) arg.charAt(1)) {
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65 case (int) 'R' : {
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66 if (! it.hasNext()) {
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67 throw new IllegalArgumentException("Need repo location");
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68 }
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69 rv.repoLocation = it.next();
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70 break;
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71 }
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72 case (int) 'l' : {
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73 if (!it.hasNext()) {
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74 throw new IllegalArgumentException();
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75 }
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76 rv.limit = Integer.parseInt(it.next());
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77 break;
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78 }
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79 case (int) 'u' : {
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80 if (rv.users == null) {
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81 rv.users = new LinkedHashSet<String>();
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82 }
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83 rv.users.add(it.next());
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84 break;
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85 }
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86 case (int) 'b' : {
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87 if (rv.branches == null) {
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88 rv.branches = new LinkedHashSet<String>();
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89 }
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90 rv.branches.add(it.next());
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91 break;
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92 }
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93 }
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94 } else {
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95 // filename
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96 files.add(arg);
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97 }
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98 }
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99 if (!files.isEmpty()) {
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100 rv.files = new ArrayList<String>(files);
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101 } else {
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102 rv.files = Collections.emptyList();
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103 }
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104 return rv;
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105 }
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106 }