Mercurial > hg4j
annotate src/org/tmatesoft/hg/repo/HgChangelog.java @ 645:14dac192aa26
Push: phase2 - upload bundle with changes to remote server
| author | Artem Tikhomirov <tikhomirov.artem@gmail.com> | 
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| date | Thu, 20 Jun 2013 19:15:09 +0200 | 
| parents | 6526d8adbc0f | 
| children | a937e63b6e02 | 
| rev | line source | 
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1 /* | 
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2 * Copyright (c) 2010-2013 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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102
 
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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.repo; | 
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18 | 
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19 import java.io.IOException; | 
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20 import java.io.UnsupportedEncodingException; | 
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21 import java.util.ArrayList; | 
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22 import java.util.Arrays; | 
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23 import java.util.Calendar; | 
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24 import java.util.Collections; | 
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25 import java.util.Date; | 
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26 import java.util.Formatter; | 
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27 import java.util.HashMap; | 
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28 import java.util.List; | 
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29 import java.util.Locale; | 
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30 import java.util.Map; | 
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31 import java.util.TimeZone; | 
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32 | 
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33 import org.tmatesoft.hg.core.Nodeid; | 
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34 import org.tmatesoft.hg.internal.Callback; | 
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35 import org.tmatesoft.hg.internal.DataAccess; | 
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36 import org.tmatesoft.hg.internal.Lifecycle; | 
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37 import org.tmatesoft.hg.internal.LifecycleBridge; | 
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38 import org.tmatesoft.hg.internal.Pool; | 
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39 import org.tmatesoft.hg.internal.RevlogStream; | 
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40 import org.tmatesoft.hg.util.Adaptable; | 
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41 import org.tmatesoft.hg.util.CancelSupport; | 
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42 import org.tmatesoft.hg.util.ProgressSupport; | 
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43 | 
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44 /** | 
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45 * Representation of the Mercurial changelog file (list of ChangeSets) | 
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47 * @author Artem Tikhomirov | 
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48 * @author TMate Software Ltd. | 
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49 */ | 
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50 public final class HgChangelog extends Revlog { | 
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51 | 
| 153 | 52 /* package-local */HgChangelog(HgRepository hgRepo, RevlogStream content) { | 
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53 super(hgRepo, content, true); | 
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54 } | 
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55 | 
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56 /** | 
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57 * Iterate over whole changelog | 
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58 * @param inspector callback to process entries | 
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59 * @throws HgInvalidControlFileException if failed to access revlog index/data entry. <em>Runtime exception</em> | 
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60 * @throws HgRuntimeException subclass thereof to indicate other issues with the library. <em>Runtime exception</em> | 
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61 */ | 
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62 public void all(final HgChangelog.Inspector inspector) throws HgRuntimeException { | 
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63 range(0, getLastRevision(), inspector); | 
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64 } | 
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65 | 
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66 /** | 
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67 * Iterate over changelog part | 
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68 * @param start first changelog entry to process | 
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69 * @param end last changelog entry to process | 
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70 * @param inspector callback to process entries | 
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71 * @throws HgInvalidRevisionException if any supplied revision doesn't identify revision from this revlog. <em>Runtime exception</em> | 
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72 * @throws HgInvalidControlFileException if failed to access revlog index/data entry. <em>Runtime exception</em> | 
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73 * @throws HgRuntimeException subclass thereof to indicate other issues with the library. <em>Runtime exception</em> | 
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74 */ | 
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75 public void range(int start, int end, final HgChangelog.Inspector inspector) throws HgRuntimeException { | 
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76 if (inspector == null) { | 
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77 throw new IllegalArgumentException(); | 
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78 } | 
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79 content.iterate(start, end, true, new RawCsetParser(inspector)); | 
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80 } | 
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81 | 
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82 /** | 
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83 * @see #range(int, int, Inspector) | 
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84 * @return changeset entry objects, never <code>null</code> | 
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85 * @throws HgInvalidRevisionException if any supplied revision doesn't identify revision from this revlog. <em>Runtime exception</em> | 
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86 * @throws HgInvalidControlFileException if failed to access revlog index/data entry. <em>Runtime exception</em> | 
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87 * @throws HgRuntimeException subclass thereof to indicate other issues with the library. <em>Runtime exception</em> | 
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88 */ | 
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89 public List<RawChangeset> range(int start, int end) throws HgRuntimeException { | 
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90 final RawCsetCollector c = new RawCsetCollector(end - start + 1); | 
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91 range(start, end, c); | 
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92 return c.result; | 
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93 } | 
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94 | 
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95 /** | 
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96 * Access individual revisions. Note, regardless of supplied revision order, inspector gets | 
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97 * changesets strictly in the order they are in the changelog. | 
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98 * @param inspector callback to get changesets | 
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99 * @param revisions revisions to read, unrestricted ordering. | 
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100 * @throws HgInvalidRevisionException if any supplied revision doesn't identify revision from this revlog <em>Runtime exception</em> | 
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101 * @throws HgInvalidControlFileException if failed to access revlog index/data entry. <em>Runtime exception</em> | 
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102 * @throws HgRuntimeException subclass thereof to indicate other issues with the library. <em>Runtime exception</em> | 
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103 */ | 
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104 public void range(final HgChangelog.Inspector inspector, final int... revisions) throws HgRuntimeException { | 
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105 Arrays.sort(revisions); | 
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106 rangeInternal(inspector, revisions); | 
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107 } | 
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108 | 
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109 /** | 
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110 * Friends-only version of {@link #range(Inspector, int...)}, when callers know array is sorted | 
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111 */ | 
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112 /*package-local*/ void rangeInternal(HgChangelog.Inspector inspector, int[] sortedRevisions) throws HgRuntimeException { | 
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113 if (sortedRevisions == null || sortedRevisions.length == 0) { | 
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114 return; | 
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115 } | 
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116 if (inspector == null) { | 
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117 throw new IllegalArgumentException(); | 
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118 } | 
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119 content.iterate(sortedRevisions, true, new RawCsetParser(inspector)); | 
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120 } | 
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121 | 
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122 /** | 
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123 * Get changeset entry object | 
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124 * @throws HgInvalidRevisionException if supplied nodeid doesn't identify any revision from this revlog. <em>Runtime exception</em> | 
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125 * @throws HgInvalidControlFileException if failed to access revlog index/data entry. <em>Runtime exception</em> | 
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126 * @throws HgRuntimeException subclass thereof to indicate other issues with the library. <em>Runtime exception</em> | 
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127 */ | 
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128 public RawChangeset changeset(Nodeid nid) throws HgRuntimeException { | 
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129 int x = getRevisionIndex(nid); | 
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130 return range(x, x).get(0); | 
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131 } | 
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132 | 
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133 @Callback | 
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134 public interface Inspector { | 
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135 /** | 
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136 * Access next changeset | 
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137 * TODO describe what revisionNumber is when Inspector is used with HgBundle (BAD_REVISION or bundle's local order?) | 
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138 * | 
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139 * @param revisionIndex index of revision being inspected, local to the inspected object | 
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140 * @param nodeid revision being inspected | 
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141 * @param cset changeset raw data | 
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142 */ | 
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143 void next(int revisionIndex, Nodeid nodeid, RawChangeset cset) throws HgRuntimeException; | 
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144 } | 
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145 | 
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146 /** | 
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147 * Entry in the Changelog | 
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148 */ | 
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149 public static class RawChangeset implements Cloneable /* for those that would like to keep a copy */{ | 
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150 // TODO immutable | 
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151 private/* final */Nodeid manifest; | 
| 153 | 152 private String user; | 
| 153 private String comment; | |
| 154 private List<String> files; // unmodifiable collection (otherwise #files() and implicit #clone() shall be revised) | |
| 155 private Date time; | |
| 156 private int timezone; | |
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161
 
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157 // http://mercurial.selenic.com/wiki/PruningDeadBranches - Closing changesets can be identified by close=1 in the changeset's extra field. | 
| 153 | 158 private Map<String, String> extras; | 
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159 | 
| 153 | 160 /** | 
| 161 * @see mercurial/changelog.py:read() | |
| 162 * | |
| 163 * <pre> | |
| 164 * format used: | |
| 165 * nodeid\n : manifest node in ascii | |
| 166 * user\n : user, no \n or \r allowed | |
| 167 * time tz extra\n : date (time is int or float, timezone is int) | |
| 168 * : extra is metadatas, encoded and separated by '\0' | |
| 169 * : older versions ignore it | |
| 170 * files\n\n : files modified by the cset, no \n or \r allowed | |
| 171 * (.*) : comment (free text, ideally utf-8) | |
| 172 * | |
| 173 * changelog v0 doesn't use extra | |
| 174 * </pre> | |
| 175 */ | |
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176 private RawChangeset() { | 
| 153 | 177 } | 
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178 | 
| 153 | 179 public Nodeid manifest() { | 
| 180 return manifest; | |
| 181 } | |
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182 | 
| 153 | 183 public String user() { | 
| 184 return user; | |
| 185 } | |
| 186 | |
| 187 public String comment() { | |
| 188 return comment; | |
| 189 } | |
| 190 | |
| 191 public List<String> files() { | |
| 192 return files; | |
| 193 } | |
| 194 | |
| 195 public Date date() { | |
| 196 return time; | |
| 197 } | |
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198 | 
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199 /** | 
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200 * @return time zone value, as is, positive for Western Hemisphere. | 
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201 */ | 
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202 public int timezone() { | 
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203 return timezone; | 
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204 } | 
| 153 | 205 | 
| 206 public String dateString() { | |
| 207 // XXX keep once formatted? Perhaps, there's faster way to set up calendar/time zone? | |
| 208 StringBuilder sb = new StringBuilder(30); | |
| 209 Formatter f = new Formatter(sb, Locale.US); | |
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210 TimeZone tz = TimeZone.getTimeZone(TimeZone.getAvailableIDs(timezone * 1000)[0]); | 
| 153 | 211 // apparently timezone field records number of seconds time differs from UTC, | 
| 212 // i.e. value to substract from time to get UTC time. Calendar seems to add | |
| 213 // timezone offset to UTC, instead, hence sign change. | |
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214 // tz.setRawOffset(timezone * -1000); | 
| 153 | 215 Calendar c = Calendar.getInstance(tz, Locale.US); | 
| 216 c.setTime(time); | |
| 217 f.format("%ta %<tb %<td %<tH:%<tM:%<tS %<tY %<tz", c); | |
| 218 return sb.toString(); | |
| 219 } | |
| 220 | |
| 221 public Map<String, String> extras() { | |
| 222 return extras; | |
| 223 } | |
| 224 | |
| 225 public String branch() { | |
| 226 return extras.get("branch"); | |
| 227 } | |
| 228 | |
| 229 @Override | |
| 230 public String toString() { | |
| 231 StringBuilder sb = new StringBuilder(); | |
| 232 sb.append("Changeset {"); | |
| 233 sb.append("User: ").append(user).append(", "); | |
| 234 sb.append("Comment: ").append(comment).append(", "); | |
| 235 sb.append("Manifest: ").append(manifest).append(", "); | |
| 236 sb.append("Date: ").append(time).append(", "); | |
| 237 sb.append("Files: ").append(files.size()); | |
| 238 for (String s : files) { | |
| 239 sb.append(", ").append(s); | |
| 240 } | |
| 241 if (extras != null) { | |
| 242 sb.append(", Extra: ").append(extras); | |
| 243 } | |
| 244 sb.append("}"); | |
| 245 return sb.toString(); | |
| 246 } | |
| 247 | |
| 248 @Override | |
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249 public RawChangeset clone() { | 
| 153 | 250 try { | 
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251 return (RawChangeset) super.clone(); | 
| 153 | 252 } catch (CloneNotSupportedException ex) { | 
| 253 throw new InternalError(ex.toString()); | |
| 254 } | |
| 255 } | |
| 256 | |
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257 /*package*/ static RawChangeset parse(DataAccess da) throws IOException, HgInvalidDataFormatException { | 
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258 byte[] data = da.byteArray(); | 
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259 RawChangeset rv = new RawChangeset(); | 
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260 rv.init(data, 0, data.length, null); | 
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261 return rv; | 
| 153 | 262 } | 
| 263 | |
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264 // @param usersPool - it's likely user names get repeated again and again throughout repository. can be null | 
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265 /* package-local */void init(byte[] data, int offset, int length, Pool<String> usersPool) throws HgInvalidDataFormatException { | 
| 153 | 266 final int bufferEndIndex = offset + length; | 
| 267 final byte lineBreak = (byte) '\n'; | |
| 268 int breakIndex1 = indexOf(data, lineBreak, offset, bufferEndIndex); | |
| 269 if (breakIndex1 == -1) { | |
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270 throw new HgInvalidDataFormatException("Bad Changeset data"); | 
| 153 | 271 } | 
| 272 Nodeid _nodeid = Nodeid.fromAscii(data, 0, breakIndex1); | |
| 273 int breakIndex2 = indexOf(data, lineBreak, breakIndex1 + 1, bufferEndIndex); | |
| 274 if (breakIndex2 == -1) { | |
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275 throw new HgInvalidDataFormatException("Bad Changeset data"); | 
| 153 | 276 } | 
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277 String _user; | 
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278 try { | 
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279 // TODO use encoding helper? Although where encoding is fixed (like here), seems to be just too much | 
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280 _user = new String(data, breakIndex1 + 1, breakIndex2 - breakIndex1 - 1, "UTF-8"); | 
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281 if (usersPool != null) { | 
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282 _user = usersPool.unify(_user); | 
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283 } | 
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284 } catch (UnsupportedEncodingException ex) { | 
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285 _user = ""; | 
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286 // Could hardly happen | 
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287 throw new HgInvalidDataFormatException("Bad Changeset data", ex); | 
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288 } | 
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289 | 
| 153 | 290 int breakIndex3 = indexOf(data, lineBreak, breakIndex2 + 1, bufferEndIndex); | 
| 291 if (breakIndex3 == -1) { | |
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292 throw new HgInvalidDataFormatException("Bad Changeset data"); | 
| 153 | 293 } | 
| 294 String _timeString = new String(data, breakIndex2 + 1, breakIndex3 - breakIndex2 - 1); | |
| 295 int space1 = _timeString.indexOf(' '); | |
| 296 if (space1 == -1) { | |
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297 throw new HgInvalidDataFormatException(String.format("Bad Changeset data: %s in [%d..%d]", "time string", breakIndex2+1, breakIndex3)); | 
| 153 | 298 } | 
| 299 int space2 = _timeString.indexOf(' ', space1 + 1); | |
| 300 if (space2 == -1) { | |
| 301 space2 = _timeString.length(); | |
| 302 } | |
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303 long unixTime = Long.parseLong(_timeString.substring(0, space1)); | 
| 153 | 304 int _timezone = Integer.parseInt(_timeString.substring(space1 + 1, space2)); | 
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305 // unixTime is local time, and timezone records difference of the local time to UTC. | 
| 153 | 306 Date _time = new Date(unixTime * 1000); | 
| 307 String _extras = space2 < _timeString.length() ? _timeString.substring(space2 + 1) : null; | |
| 308 Map<String, String> _extrasMap; | |
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309 final String extras_branch_key = "branch"; | 
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310 if (_extras == null || _extras.trim().length() == 0) { | 
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311 _extrasMap = Collections.singletonMap(extras_branch_key, HgRepository.DEFAULT_BRANCH_NAME); | 
| 153 | 312 } else { | 
| 313 _extrasMap = new HashMap<String, String>(); | |
| 314 for (String pair : _extras.split("\00")) { | |
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315 pair = decode(pair); | 
| 153 | 316 int eq = pair.indexOf(':'); | 
| 317 _extrasMap.put(pair.substring(0, eq), pair.substring(eq + 1)); | |
| 318 } | |
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319 if (!_extrasMap.containsKey(extras_branch_key)) { | 
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320 _extrasMap.put(extras_branch_key, HgRepository.DEFAULT_BRANCH_NAME); | 
| 153 | 321 } | 
| 322 _extrasMap = Collections.unmodifiableMap(_extrasMap); | |
| 323 } | |
| 324 | |
| 325 // | |
| 326 int lastStart = breakIndex3 + 1; | |
| 327 int breakIndex4 = indexOf(data, lineBreak, lastStart, bufferEndIndex); | |
| 328 ArrayList<String> _files = null; | |
| 329 if (breakIndex4 > lastStart) { | |
| 330 // if breakIndex4 == lastStart, we already found \n\n and hence there are no files (e.g. merge revision) | |
| 331 _files = new ArrayList<String>(5); | |
| 332 while (breakIndex4 != -1 && breakIndex4 + 1 < bufferEndIndex) { | |
| 333 _files.add(new String(data, lastStart, breakIndex4 - lastStart)); | |
| 334 lastStart = breakIndex4 + 1; | |
| 335 if (data[breakIndex4 + 1] == lineBreak) { | |
| 336 // found \n\n | |
| 337 break; | |
| 338 } else { | |
| 339 breakIndex4 = indexOf(data, lineBreak, lastStart, bufferEndIndex); | |
| 
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340 } | 
| 153 | 341 } | 
| 342 if (breakIndex4 == -1 || breakIndex4 >= bufferEndIndex) { | |
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343 throw new HgInvalidDataFormatException("Bad Changeset data"); | 
| 153 | 344 } | 
| 345 } else { | |
| 346 breakIndex4--; | |
| 347 } | |
| 348 String _comment; | |
| 349 try { | |
| 350 _comment = new String(data, breakIndex4 + 2, bufferEndIndex - breakIndex4 - 2, "UTF-8"); | |
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351 // TODO post-1.0 respect ui.fallbackencoding and try to decode if set; use EncodingHelper | 
| 153 | 352 } catch (UnsupportedEncodingException ex) { | 
| 353 _comment = ""; | |
| 
366
 
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354 // Could hardly happen | 
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355 throw new HgInvalidDataFormatException("Bad Changeset data", ex); | 
| 153 | 356 } | 
| 357 // change this instance at once, don't leave it partially changes in case of error | |
| 358 this.manifest = _nodeid; | |
| 359 this.user = _user; | |
| 360 this.time = _time; | |
| 361 this.timezone = _timezone; | |
| 362 this.files = _files == null ? Collections.<String> emptyList() : Collections.unmodifiableList(_files); | |
| 363 this.comment = _comment; | |
| 364 this.extras = _extrasMap; | |
| 365 } | |
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366 | 
| 153 | 367 private static int indexOf(byte[] src, byte what, int startOffset, int endIndex) { | 
| 368 for (int i = startOffset; i < endIndex; i++) { | |
| 369 if (src[i] == what) { | |
| 370 return i; | |
| 371 } | |
| 372 } | |
| 373 return -1; | |
| 374 } | |
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375 | 
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376 private static String decode(String s) { | 
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377 if (s != null && s.indexOf('\\') != -1) { | 
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378 // TestAuxUtilities#testChangelogExtrasDecode | 
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379 return s.replace("\\\\", "\\").replace("\\n", "\n").replace("\\r", "\r").replace("\\0", "\00"); | 
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380 } | 
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381 return s; | 
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382 } | 
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383 } | 
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384 | 
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385 private static class RawCsetCollector implements Inspector { | 
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386 final ArrayList<RawChangeset> result; | 
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387 | 
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388 public RawCsetCollector(int count) { | 
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389 result = new ArrayList<RawChangeset>(count > 0 ? count : 5); | 
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390 } | 
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391 | 
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392 public void next(int revisionNumber, Nodeid nodeid, RawChangeset cset) { | 
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393 result.add(cset.clone()); | 
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394 } | 
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395 } | 
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396 | 
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397 private static class RawCsetParser implements RevlogStream.Inspector, Adaptable { | 
| 
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398 | 
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399 private final Inspector inspector; | 
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400 private final Pool<String> usersPool; | 
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401 private final RawChangeset cset = new RawChangeset(); | 
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402 // non-null when inspector uses high-level lifecycle entities (progress and/or cancel supports) | 
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403 private final LifecycleBridge lifecycleStub; | 
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404 // non-null when inspector relies on low-level lifecycle and is responsible | 
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405 // to proceed any possible high-level entities himself. | 
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406 private final Lifecycle inspectorLifecycle; | 
| 
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407 | 
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408 public RawCsetParser(HgChangelog.Inspector delegate) { | 
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409 assert delegate != null; | 
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410 inspector = delegate; | 
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411 usersPool = new Pool<String>(); | 
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412 inspectorLifecycle = Adaptable.Factory.getAdapter(delegate, Lifecycle.class, null); | 
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413 if (inspectorLifecycle == null) { | 
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414 ProgressSupport ph = Adaptable.Factory.getAdapter(delegate, ProgressSupport.class, null); | 
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415 CancelSupport cs = Adaptable.Factory.getAdapter(delegate, CancelSupport.class, null); | 
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416 if (cs != null || ph != null) { | 
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417 lifecycleStub = new LifecycleBridge(ph, cs); | 
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418 } else { | 
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419 lifecycleStub = null; | 
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420 } | 
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421 } else { | 
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422 lifecycleStub = null; | 
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423 } | 
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424 } | 
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425 | 
| 
628
 
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426 public void next(int revisionNumber, int actualLen, int baseRevision, int linkRevision, int parent1Revision, int parent2Revision, byte[] nodeid, DataAccess da) throws HgRuntimeException { | 
| 
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427 try { | 
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428 byte[] data = da.byteArray(); | 
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429 cset.init(data, 0, data.length, usersPool); | 
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430 // XXX there's no guarantee for Changeset.Callback that distinct instance comes each time, consider instance reuse | 
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431 inspector.next(revisionNumber, Nodeid.fromBinary(nodeid, 0), cset); | 
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432 if (lifecycleStub != null) { | 
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433 lifecycleStub.nextStep(); | 
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434 } | 
| 
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435 } catch (HgInvalidDataFormatException ex) { | 
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FIXMEs: consistent names, throws for commands and their handlers. Use of checked exceptions in hi-level api
 
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436 throw ex.setRevisionIndex(revisionNumber); | 
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366
 
189dc6dc1c3e
Use exceptions to expose errors reading mercurial data
 
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437 } catch (IOException ex) { | 
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423
 
9c9c442b5f2e
Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
 
Artem Tikhomirov <tikhomirov.artem@gmail.com> 
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438 // XXX need better exception, perhaps smth like HgChangelogException (extends HgInvalidControlFileException) | 
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9c9c442b5f2e
Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
 
Artem Tikhomirov <tikhomirov.artem@gmail.com> 
parents: 
419 
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439 throw new HgInvalidControlFileException("Failed reading changelog", ex, null).setRevisionIndex(revisionNumber); | 
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196
 
e2115da4cf6a
Pool objects to avoid memory polution with duplicates
 
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440 } | 
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520
 
1ee452f31187
Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
 
Artem Tikhomirov <tikhomirov.artem@gmail.com> 
parents: 
427 
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441 } | 
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1ee452f31187
Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
 
Artem Tikhomirov <tikhomirov.artem@gmail.com> 
parents: 
427 
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442 | 
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1ee452f31187
Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
 
Artem Tikhomirov <tikhomirov.artem@gmail.com> 
parents: 
427 
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443 public <T> T getAdapter(Class<T> adapterClass) { | 
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1ee452f31187
Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
 
Artem Tikhomirov <tikhomirov.artem@gmail.com> 
parents: 
427 
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444 if (adapterClass == Lifecycle.class) { | 
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1ee452f31187
Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
 
Artem Tikhomirov <tikhomirov.artem@gmail.com> 
parents: 
427 
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changeset
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445 if (inspectorLifecycle != null) { | 
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1ee452f31187
Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
 
Artem Tikhomirov <tikhomirov.artem@gmail.com> 
parents: 
427 
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changeset
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446 return adapterClass.cast(inspectorLifecycle); | 
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1ee452f31187
Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
 
Artem Tikhomirov <tikhomirov.artem@gmail.com> 
parents: 
427 
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changeset
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447 } | 
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1ee452f31187
Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
 
Artem Tikhomirov <tikhomirov.artem@gmail.com> 
parents: 
427 
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changeset
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448 // reveal interest in lifecycle only when either progress or cancel support is there | 
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1ee452f31187
Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
 
Artem Tikhomirov <tikhomirov.artem@gmail.com> 
parents: 
427 
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changeset
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449 // and inspector itself doesn't respond to lifecycle request | 
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1ee452f31187
Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
 
Artem Tikhomirov <tikhomirov.artem@gmail.com> 
parents: 
427 
diff
changeset
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450 // lifecycleStub may still be null here (no progress and cancel), it's ok to cast(null) | 
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1ee452f31187
Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
 
Artem Tikhomirov <tikhomirov.artem@gmail.com> 
parents: 
427 
diff
changeset
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451 return adapterClass.cast(lifecycleStub); | 
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1ee452f31187
Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
 
Artem Tikhomirov <tikhomirov.artem@gmail.com> 
parents: 
427 
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changeset
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452 | 
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312
 
f9f3e9b67ccc
Facilitate cancellation and progress reporting in changelog and manifest iterations
 
Artem Tikhomirov <tikhomirov.artem@gmail.com> 
parents: 
252 
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453 } | 
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520
 
1ee452f31187
Experimental support for inverse direction history walking. Refactored/streamlined cancellation in HgLogCommand and down the stack
 
Artem Tikhomirov <tikhomirov.artem@gmail.com> 
parents: 
427 
diff
changeset
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454 return Adaptable.Factory.getAdapter(inspector, adapterClass, null); | 
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312
 
f9f3e9b67ccc
Facilitate cancellation and progress reporting in changelog and manifest iterations
 
Artem Tikhomirov <tikhomirov.artem@gmail.com> 
parents: 
252 
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455 } | 
| 
 
f9f3e9b67ccc
Facilitate cancellation and progress reporting in changelog and manifest iterations
 
Artem Tikhomirov <tikhomirov.artem@gmail.com> 
parents: 
252 
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456 | 
| 
196
 
e2115da4cf6a
Pool objects to avoid memory polution with duplicates
 
Artem Tikhomirov <tikhomirov.artem@gmail.com> 
parents: 
182 
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457 } | 
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0
 
dbd663faec1f
Basic changelog parsing
 
Artem Tikhomirov <tikhomirov.artem@gmail.com> 
parents:  
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458 } | 
