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annotate src/org/tmatesoft/hg/internal/BlameHelper.java @ 678:8625cba0a5a8

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Towards better blame of merge revisions: refactor merge handling strategy
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Fri, 19 Jul 2013 15:36:29 +0200
parents cce0387c6041
children 58a6900f845d
rev   line source
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1 /*
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2 * Copyright (c) 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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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 static org.tmatesoft.hg.core.HgIterateDirection.OldToNew;
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20 import static org.tmatesoft.hg.repo.HgRepository.NO_REVISION;
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21
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22 import java.util.Iterator;
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23 import java.util.LinkedList;
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24 import java.util.ListIterator;
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25
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26 import org.tmatesoft.hg.core.HgCallbackTargetException;
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27 import org.tmatesoft.hg.internal.DiffHelper.LineSequence;
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28 import org.tmatesoft.hg.internal.DiffHelper.LineSequence.ByteChain;
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29 import org.tmatesoft.hg.core.HgBlameInspector;
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30 import org.tmatesoft.hg.core.HgBlameInspector.*;
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31 import org.tmatesoft.hg.repo.HgDataFile;
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32 import org.tmatesoft.hg.repo.HgInvalidStateException;
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33 import org.tmatesoft.hg.repo.HgRuntimeException;
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34 import org.tmatesoft.hg.util.Adaptable;
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35 import org.tmatesoft.hg.util.CancelledException;
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36 import org.tmatesoft.hg.util.Pair;
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37
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38 /**
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39 * Blame implementation
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40 * @see HgBlameInspector
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41 * @author Artem Tikhomirov
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42 * @author TMate Software Ltd.
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43 */
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44 public class BlameHelper {
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45
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46 private final HgBlameInspector insp;
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47 private FileLinesCache linesCache;
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48
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49 public BlameHelper(HgBlameInspector inspector) {
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50 insp = inspector;
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51 }
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52
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53 /**
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54 * Build history of the file for the specified range (follow renames if necessary). This history
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55 * is used to access various file revision data during subsequent {@link #diff(int, int, int, int)} and
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56 * {@link #annotateChange(int, int, int[], int[])} calls. Callers can use returned history for own approaches
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57 * to iteration over file history.
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58
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59 * <p>NOTE, clogRevIndexEnd has to list name of the supplied file in the corresponding manifest,
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60 * as it's not possible to trace rename history otherwise.
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61 */
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62 public FileHistory prepare(HgDataFile df, int clogRevIndexStart, int clogRevIndexEnd) throws HgRuntimeException {
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63 assert clogRevIndexStart <= clogRevIndexEnd;
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64 FileHistory fileHistory = new FileHistory(df, clogRevIndexStart, clogRevIndexEnd);
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65 fileHistory.build();
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66 int cacheHint = 5; // cache comes useful when we follow merge branches and don't want to
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67 // parse base revision twice. There's no easy way to determine max(distance(all(base,merge))),
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68 // hence the heuristics to use the longest history chunk:
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69 for (FileRevisionHistoryChunk c : fileHistory.iterate(OldToNew)) {
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70 // iteration order is not important here
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71 if (c.revisionCount() > cacheHint) {
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72 cacheHint = c.revisionCount();
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73 }
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74 }
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75 linesCache = new FileLinesCache(cacheHint);
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76 for (FileRevisionHistoryChunk fhc : fileHistory.iterate(OldToNew)) {
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77 // iteration order is not important here
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78 linesCache.useFileUpTo(fhc.getFile(), fhc.getEndChangeset());
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79 }
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80 return fileHistory;
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81 }
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82
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83 // NO_REVISION is not allowed as any argument
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84 public void diff(int fileRevIndex1, int clogRevIndex1, int fileRevIndex2, int clogRevIndex2) throws HgCallbackTargetException, HgRuntimeException {
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85 HgDataFile targetFile = linesCache.getFile(clogRevIndex2);
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86 LineSequence c1 = linesCache.lines(clogRevIndex1, fileRevIndex1);
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87 LineSequence c2 = linesCache.lines(clogRevIndex2, fileRevIndex2);
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88 DiffHelper<LineSequence> pg = new DiffHelper<LineSequence>();
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89 pg.init(c1, c2);
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90 BlameBlockInspector bbi = new BlameBlockInspector(targetFile, fileRevIndex2, insp, clogRevIndex1, clogRevIndex2);
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91 pg.findMatchingBlocks(bbi);
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92 bbi.checkErrors();
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93 }
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94
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95 public void annotateChange(int fileRevIndex, int csetRevIndex, int[] fileParentRevs, int[] fileParentClogRevs) throws HgCallbackTargetException, HgRuntimeException {
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96 HgDataFile targetFile = linesCache.getFile(csetRevIndex);
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97 final LineSequence fileRevLines = linesCache.lines(csetRevIndex, fileRevIndex);
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98 if (fileParentClogRevs[0] != NO_REVISION && fileParentClogRevs[1] != NO_REVISION) {
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99 int p1ClogIndex = fileParentClogRevs[0];
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100 int p2ClogIndex = fileParentClogRevs[1];
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101 LineSequence p1Lines = linesCache.lines(p1ClogIndex, fileParentRevs[0]);
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102 LineSequence p2Lines = linesCache.lines(p2ClogIndex, fileParentRevs[1]);
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103 DiffHelper<LineSequence> pg = new DiffHelper<LineSequence>();
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104 pg.init(p2Lines, fileRevLines);
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105 EqualBlocksCollector p2MergeCommon = new EqualBlocksCollector();
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106 pg.findMatchingBlocks(p2MergeCommon);
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107 //
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108 pg.init(p1Lines);
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109 BlameBlockInspector bbi = new BlameBlockInspector(targetFile, fileRevIndex, insp, p1ClogIndex, csetRevIndex);
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110 bbi.setMergeParent2(new MergeStrategy1(p2MergeCommon.matches), p2ClogIndex);
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111 pg.findMatchingBlocks(bbi);
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112 bbi.checkErrors();
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113 } else if (fileParentClogRevs[0] == fileParentClogRevs[1]) {
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114 // may be equal iff both are unset
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115 assert fileParentClogRevs[0] == NO_REVISION;
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116 // everything added
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117 BlameBlockInspector bbi = new BlameBlockInspector(targetFile, fileRevIndex, insp, NO_REVISION, csetRevIndex);
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118 bbi.begin(LineSequence.newlines(new byte[0]), fileRevLines);
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119 bbi.match(0, fileRevLines.chunkCount()-1, 0);
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120 bbi.end();
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121 bbi.checkErrors();
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122 } else {
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123 int soleParentIndex = fileParentClogRevs[0] == NO_REVISION ? 1 : 0;
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124 assert fileParentClogRevs[soleParentIndex] != NO_REVISION;
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125 LineSequence parentLines = linesCache.lines(fileParentClogRevs[soleParentIndex], fileParentRevs[soleParentIndex]);
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126
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127 DiffHelper<LineSequence> pg = new DiffHelper<LineSequence>();
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128 pg.init(parentLines, fileRevLines);
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129 BlameBlockInspector bbi = new BlameBlockInspector(targetFile, fileRevIndex, insp, fileParentClogRevs[soleParentIndex], csetRevIndex);
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130 pg.findMatchingBlocks(bbi);
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131 bbi.checkErrors();
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132 }
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133 }
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134
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135 private static class FileLinesCache {
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136 private final LinkedList<Pair<Integer, LineSequence>> lruCache;
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137 private final int limit;
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138 private final LinkedList<Pair<Integer, HgDataFile>> files; // TODO in fact, need sparse array
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139
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140 /**
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141 * @param lruLimit how many parsed file revisions to keep
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142 */
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143 public FileLinesCache(int lruLimit) {
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144 limit = lruLimit;
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145 lruCache = new LinkedList<Pair<Integer, LineSequence>>();
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146 files = new LinkedList<Pair<Integer,HgDataFile>>();
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147 }
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148
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149 public void useFileUpTo(HgDataFile df, int clogRevIndex) {
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150 Pair<Integer, HgDataFile> newEntry = new Pair<Integer, HgDataFile>(clogRevIndex, df);
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151 for (ListIterator<Pair<Integer, HgDataFile>> it = files.listIterator(); it.hasNext();) {
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152 Pair<Integer, HgDataFile> e = it.next();
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153 if (e.first() == clogRevIndex) {
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154 assert e.second().getPath().equals(df.getPath());
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155 return;
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156 }
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157 if (e.first() > clogRevIndex) {
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158 // insert new entry before current
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159 it.previous();
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160 it.add(newEntry);
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161 return;
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162 }
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163 }
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164 files.add(newEntry);
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165 }
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166
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167 public HgDataFile getFile(int clogRevIndex) {
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168 for (Pair<Integer, HgDataFile> e : files) {
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169 if (e.first() >= clogRevIndex) {
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170 return e.second();
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171 }
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172 }
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173 throw new HgInvalidStateException(String.format("Got %d file-changelog mappings, but no luck for revision %d.", files.size(), clogRevIndex));
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174 }
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175
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6526d8adbc0f Explicit HgRuntimeException to facilitate easy switch from runtime to checked exceptions
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176 public LineSequence lines(int clogRevIndex, int fileRevIndex) throws HgRuntimeException {
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177 Pair<Integer, LineSequence> cached = checkCache(clogRevIndex);
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178 if (cached != null) {
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179 return cached.second();
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180 }
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181 HgDataFile df = getFile(clogRevIndex);
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182 try {
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183 ByteArrayChannel c;
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184 df.content(fileRevIndex, c = new ByteArrayChannel());
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185 LineSequence rv = LineSequence.newlines(c.toArray());
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186 lruCache.addFirst(new Pair<Integer, LineSequence>(clogRevIndex, rv));
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187 if (lruCache.size() > limit) {
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188 lruCache.removeLast();
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189 }
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190 return rv;
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191 } catch (CancelledException ex) {
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192 // TODO likely it was bad idea to throw cancelled exception from content()
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193 // deprecate and provide alternative?
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194 HgInvalidStateException ise = new HgInvalidStateException("ByteArrayChannel never throws CancelledException");
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195 ise.initCause(ex);
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196 throw ise;
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197 }
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198 }
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199
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200 private Pair<Integer,LineSequence> checkCache(int fileRevIndex) {
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201 Pair<Integer, LineSequence> rv = null;
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202 for (ListIterator<Pair<Integer, LineSequence>> it = lruCache.listIterator(); it.hasNext(); ) {
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203 Pair<Integer, LineSequence> p = it.next();
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204 if (p.first() == fileRevIndex) {
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205 rv = p;
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206 it.remove();
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207 break;
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208 }
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209 }
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210 if (rv != null) {
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211 lruCache.addFirst(rv);
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212 }
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213 return rv;
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214 }
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215 }
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216
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217 private static class BlameBlockInspector extends DiffHelper.DeltaInspector<LineSequence> {
603
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
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diff changeset
218 private final HgBlameInspector insp;
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219 private final int csetOrigin;
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220 private final int csetTarget;
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8625cba0a5a8 Towards better blame of merge revisions: refactor merge handling strategy
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221 private MergeResolutionStrategy p2MergeCommon;
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222 private int csetMergeParent;
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223 private final AnnotateRev annotatedRevision;
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224 private HgCallbackTargetException error;
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225
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diff changeset
226 public BlameBlockInspector(HgDataFile df, int fileRevIndex, HgBlameInspector inspector, int originCset, int targetCset) {
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227 assert inspector != null;
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228 insp = inspector;
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229 annotatedRevision = new AnnotateRev();
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230 annotatedRevision.set(df, fileRevIndex);
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231 csetOrigin = originCset;
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232 csetTarget = targetCset;
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233 }
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234
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235 public void setMergeParent2(MergeResolutionStrategy p2MergeStrategy, int parentCset2) {
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236 p2MergeCommon = p2MergeStrategy;
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237 csetMergeParent = parentCset2;
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238 }
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239
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240 @Override
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241 public void begin(LineSequence s1, LineSequence s2) {
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242 super.begin(s1, s2);
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243 if (shallStop()) {
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244 return;
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245 }
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246 ContentBlock originContent = new ContentBlock(s1);
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247 ContentBlock targetContent = new ContentBlock(s2);
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248 annotatedRevision.set(originContent, targetContent);
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249 annotatedRevision.set(csetOrigin, csetTarget, p2MergeCommon != null ? csetMergeParent : NO_REVISION);
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250 RevisionDescriptor.Recipient curious = Adaptable.Factory.getAdapter(insp, RevisionDescriptor.Recipient.class, null);
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251 if (curious != null) {
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252 try {
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253 curious.start(annotatedRevision);
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254 } catch (HgCallbackTargetException ex) {
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255 error = ex;
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256 }
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257 }
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258 }
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259
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260 @Override
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261 public void end() {
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262 super.end();
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263 if (shallStop()) {
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264 return;
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265 }
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266 RevisionDescriptor.Recipient curious = Adaptable.Factory.getAdapter(insp, RevisionDescriptor.Recipient.class, null);
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267 if (curious != null) {
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268 try {
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269 curious.done(annotatedRevision);
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270 } catch (HgCallbackTargetException ex) {
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271 error = ex;
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272 }
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273 }
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274 p2MergeCommon = null;
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275 }
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276
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277 @Override
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278 protected void changed(int s1From, int s1To, int s2From, int s2To) {
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279 if (shallStop()) {
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280 return;
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281 }
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282 try {
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283 if (p2MergeCommon != null) {
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284 IntSliceSeq mergeRanges = p2MergeCommon.combineAndMarkRangesWithSource(s2From, s2To - s2From, csetOrigin, csetMergeParent);
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285
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286 /*
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287 * Usecases, how it USED TO BE initially:
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288 * 3 lines changed to 10 lines. range of 10 lines breaks down to 2 from p2, 3 from p1, and 5 from p2.
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289 * We report: 2 lines changed to 2(p2), then 1 line changed with 3(p1) and 5 lines added from p2.
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290 *
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291 * 10 lines changed to 3 lines, range of 3 lines breaks down to 2 line from p1 and 1 line from p2.
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292 * We report: 2 lines changed to 2(p1) and 8 lines changed to 1(p2)
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293 *
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294 * NOW, lines from p2 are always reported as pure add (since we need their insertion point to be in p2, not in p1)
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295 * and we try to consume p1 changes as soon as we see first p1's range
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296 */
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297 int s1TotalLines = s1To - s1From, s1ConsumedLines = 0, s1Start = s1From;
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298
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299 for (Iterator<IntTuple> it = mergeRanges.iterator(); it.hasNext();) {
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300 IntTuple mergeRange = it.next();
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301 final int rangeOrigin = mergeRange.at(0);
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302 final int rangeStart = mergeRange.at(1);
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303 final int rangeLen = mergeRange.at(2);
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304 final boolean lastRange = it.hasNext();
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305 final int s1LinesLeft = s1TotalLines - s1ConsumedLines;
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306 // how many lines we may report as changed (don't use more than in range unless it's the very last range)
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307 final int s1LinesToBorrow = lastRange ? s1LinesLeft : Math.min(s1LinesLeft, rangeLen);
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308 if (rangeOrigin != csetMergeParent && s1LinesToBorrow > 0) {
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309 ChangeBlockImpl block = getChangeBlock(s1Start, s1LinesToBorrow, rangeStart, rangeLen);
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310 block.setOriginAndTarget(rangeOrigin, csetTarget);
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311 insp.changed(block);
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312 s1ConsumedLines += s1LinesToBorrow;
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313 s1Start += s1LinesToBorrow;
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314 } else {
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315 int blockInsPoint = rangeOrigin != csetMergeParent ? s1Start : p2MergeCommon.getLineInP2(rangeStart);
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316 ChangeBlockImpl block = getAddBlock(rangeStart, rangeLen, blockInsPoint);
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317 block.setOriginAndTarget(rangeOrigin, csetTarget);
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318 insp.added(block);
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319 }
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320 }
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321 if (s1ConsumedLines != s1TotalLines) {
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322 assert s1ConsumedLines < s1TotalLines : String.format("Expected to process %d lines, but actually was %d", s1TotalLines, s1ConsumedLines);
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323 // either there were no ranges from p1, whole s2From..s2To range came from p2, shall report as deleted
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324 // or the ranges found were not enough to consume whole s2From..s2To
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325 // The "deletion point" is shifted to the end of last csetOrigin->csetTarget change
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326 int s2DeletePoint = s2From + s1ConsumedLines;
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327 ChangeBlockImpl block = new ChangeBlockImpl(annotatedRevision.origin, null, s1Start, s1To - s1Start, -1, -1, -1, s2DeletePoint);
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328 block.setOriginAndTarget(csetOrigin, csetTarget);
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329 insp.deleted(block);
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330 }
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331 } else {
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332 ChangeBlockImpl block = getChangeBlock(s1From, s1To - s1From, s2From, s2To - s2From);
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333 block.setOriginAndTarget(csetOrigin, csetTarget);
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334 insp.changed(block);
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335 }
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336 } catch (HgCallbackTargetException ex) {
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337 error = ex;
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338 }
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339 }
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340
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341 @Override
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342 protected void added(int s1InsertPoint, int s2From, int s2To) {
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343 if (shallStop()) {
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344 return;
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345 }
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346 try {
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347 if (p2MergeCommon != null) {
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348 IntSliceSeq mergeRanges = p2MergeCommon.combineAndMarkRangesWithSource(s2From, s2To - s2From, csetOrigin, csetMergeParent);
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349 int insPoint = s1InsertPoint; // track changes to insertion point
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350 for (IntTuple mergeRange : mergeRanges) {
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diff changeset
351 int rangeOrigin = mergeRange.at(0);
cce0387c6041 Introduced dedicated IntSliceSeq/IntTuple in place of IntArray with subsequences
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 629
diff changeset
352 int rangeStart = mergeRange.at(1);
cce0387c6041 Introduced dedicated IntSliceSeq/IntTuple in place of IntArray with subsequences
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 629
diff changeset
353 int rangeLen = mergeRange.at(2);
678
8625cba0a5a8 Towards better blame of merge revisions: refactor merge handling strategy
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 674
diff changeset
354 // XXX likely need somewhat similar to the code above:
8625cba0a5a8 Towards better blame of merge revisions: refactor merge handling strategy
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 674
diff changeset
355 // int blockInsPoint = rangeOrigin != csetMergeParent ? s1Start : p2MergeCommon.reverseMapLine(rangeStart);
8625cba0a5a8 Towards better blame of merge revisions: refactor merge handling strategy
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 674
diff changeset
356 //
569
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parents:
diff changeset
357 ChangeBlockImpl block = getAddBlock(rangeStart, rangeLen, insPoint);
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parents:
diff changeset
358 block.setOriginAndTarget(rangeOrigin, csetTarget);
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
359 insp.added(block);
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
360 // indicate insPoint moved down number of lines we just reported
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
361 insPoint += rangeLen;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
362 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
363 } else {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
364 ChangeBlockImpl block = getAddBlock(s2From, s2To - s2From, s1InsertPoint);
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parents:
diff changeset
365 block.setOriginAndTarget(csetOrigin, csetTarget);
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
366 insp.added(block);
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
367 }
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parents:
diff changeset
368 } catch (HgCallbackTargetException ex) {
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parents:
diff changeset
369 error = ex;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
370 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
371 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
372
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diff changeset
373 @Override
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diff changeset
374 protected void deleted(int s2DeletePoint, int s1From, int s1To) {
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diff changeset
375 if (shallStop()) {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
376 return;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
377 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
378 try {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
379 ChangeBlockImpl block = new ChangeBlockImpl(annotatedRevision.origin, null, s1From, s1To - s1From, -1, -1, -1, s2DeletePoint);
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parents:
diff changeset
380 block.setOriginAndTarget(csetOrigin, csetTarget);
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diff changeset
381 insp.deleted(block);
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parents:
diff changeset
382 } catch (HgCallbackTargetException ex) {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
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diff changeset
383 error = ex;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
384 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
385 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
386
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
387 @Override
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
388 protected void unchanged(int s1From, int s2From, int length) {
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parents:
diff changeset
389 if (shallStop()) {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
390 return;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
391 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
392 try {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
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parents:
diff changeset
393 EqualBlockImpl block = new EqualBlockImpl(s1From, s2From, length, annotatedRevision.target);
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
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parents:
diff changeset
394 block.setOriginAndTarget(csetOrigin, csetTarget);
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
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parents:
diff changeset
395 insp.same(block);
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
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parents:
diff changeset
396 } catch (HgCallbackTargetException ex) {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
397 error = ex;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
398 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
399 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
400
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parents:
diff changeset
401 void checkErrors() throws HgCallbackTargetException {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
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parents:
diff changeset
402 if (error != null) {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
403 throw error;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
404 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
405 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
406
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
407 private boolean shallStop() {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
408 return error != null;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
409 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
410
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parents:
diff changeset
411 private ChangeBlockImpl getAddBlock(int start, int len, int insPoint) {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
412 return new ChangeBlockImpl(null, annotatedRevision.target, -1, -1, start, len, insPoint, -1);
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
413 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
414
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
415 private ChangeBlockImpl getChangeBlock(int start1, int len1, int start2, int len2) {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
416 return new ChangeBlockImpl(annotatedRevision.origin, annotatedRevision.target, start1, len1, start2, len2, start1, start2);
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
417 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
418 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
419
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
420 private static class BlockImpl implements Block {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
421 private int originCset;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
422 private int targetCset;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
423
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
424 void setOriginAndTarget(int originChangesetIndex, int targetChangesetIndex) {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
425 // XXX perhaps, shall be part of Inspector API, rather than Block's
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
426 // as they don't change between blocks (although the moment about merged revisions)
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
427 // is not yet clear to me
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
428 originCset = originChangesetIndex;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
429 targetCset = targetChangesetIndex;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
430 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
431
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parents:
diff changeset
432 public int originChangesetIndex() {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
433 return originCset;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
434 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
435
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
436 public int targetChangesetIndex() {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
437 return targetCset;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
438 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
439 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
440
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
441 private static class EqualBlockImpl extends BlockImpl implements EqualBlock {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
442 private final int start1, start2;
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parents:
diff changeset
443 private final int length;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
444 private final ContentBlock fullContent;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
445 private FilterBlock myContent;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
446
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
447 EqualBlockImpl(int blockStartSeq1, int blockStartSeq2, int blockLength, ContentBlock targetContent) {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
448 start1 = blockStartSeq1;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
449 start2 = blockStartSeq2;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
450 length = blockLength;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
451 fullContent = targetContent;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
452 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
453
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
454 public int originStart() {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
455 return start1;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
456 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
457
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
458 public int targetStart() {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
459 return start2;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
460 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
461
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
462 public int length() {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
463 return length;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
464 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
465
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
466 public BlockData content() {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
467 if (myContent == null) {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
468 myContent = new FilterBlock(fullContent, start2, length);
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
469 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
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parents:
diff changeset
470 return myContent;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
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parents:
diff changeset
471 }
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parents:
diff changeset
472
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
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diff changeset
473 @Override
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
474 public String toString() {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
475 return String.format("@@ [%d..%d) == [%d..%d) @@", start1, start1+length, start2, start2+length);
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
476 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
477 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
478
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
479 private static class ChangeBlockImpl extends BlockImpl implements ChangeBlock {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
480 private final ContentBlock oldContent;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
481 private final ContentBlock newContent;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
482 private final int s1Start;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
483 private final int s1Len;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
484 private final int s2Start;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
485 private final int s2Len;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
486 private final int s1InsertPoint;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
487 private final int s2DeletePoint;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
488 private FilterBlock addedBlock, removedBlock;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
489
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
490 public ChangeBlockImpl(ContentBlock c1, ContentBlock c2, int s1Start, int s1Len, int s2Start, int s2Len, int s1InsertPoint, int s2DeletePoint) {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
491 oldContent = c1;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
492 newContent = c2;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
493 this.s1Start = s1Start;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
494 this.s1Len = s1Len;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
495 this.s2Start = s2Start;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
496 this.s2Len = s2Len;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
497 this.s1InsertPoint = s1InsertPoint;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
498 this.s2DeletePoint = s2DeletePoint;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
499 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
500
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
501 public int insertedAt() {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
502 return s1InsertPoint;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
503 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
504
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
505 public int firstAddedLine() {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
506 return s2Start;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
507 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
508
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
509 public int totalAddedLines() {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
510 return s2Len;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
511 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
512
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
513 public BlockData addedLines() {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
514 if (addedBlock == null) {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
515 addedBlock = new FilterBlock(newContent, firstAddedLine(), totalAddedLines());
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
516 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
517 return addedBlock;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
518 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
519
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
520 public int removedAt() {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
521 return s2DeletePoint;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
522 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
523
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
524 public int firstRemovedLine() {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
525 return s1Start;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
526 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
527
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
528 public int totalRemovedLines() {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
529 return s1Len;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
530 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
531
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
532 public BlockData removedLines() {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
533 if (removedBlock == null) {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
534 removedBlock = new FilterBlock(oldContent, firstRemovedLine(), totalRemovedLines());
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
535 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
536 return removedBlock;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
537 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
538
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
539 @Override
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
540 public String toString() {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
541 if (s2DeletePoint == -1) {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
542 return String.format("@@ -%d,0 +%d,%d @@", insertedAt(), firstAddedLine(), totalAddedLines());
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
543 } else if (s1InsertPoint == -1) {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
544 // delete only
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
545 return String.format("@@ -%d,%d +%d,0 @@", firstRemovedLine(), totalRemovedLines(), removedAt());
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
546 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
547 return String.format("@@ -%d,%d +%d,%d @@", firstRemovedLine(), totalRemovedLines(), firstAddedLine(), totalAddedLines());
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
548 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
549 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
550
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
551 private static class SingleLine implements BlockData {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
552 private final ByteChain line;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
553
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
554 public SingleLine(ByteChain lineContent) {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
555 line = lineContent;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
556 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
557
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
558 public BlockData elementAt(int index) {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
559 assert false;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
560 return null;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
561 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
562
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
563 public int elementCount() {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
564 return 0;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
565 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
566
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
567 public byte[] asArray() {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
568 return line.data();
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
569 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
570 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
571
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
572 private static class ContentBlock implements BlockData {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
573 private final LineSequence seq;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
574
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
575 public ContentBlock(LineSequence sequence) {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
576 seq = sequence;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
577 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
578
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
579 public BlockData elementAt(int index) {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
580 return new SingleLine(seq.chunk(index));
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
581 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
582
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
583 public int elementCount() {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
584 return seq.chunkCount() - 1;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
585 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
586
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
587 public byte[] asArray() {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
588 return seq.data(0, seq.chunkCount() - 1);
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
589 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
590 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
591
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
592 private static class FilterBlock implements BlockData {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
593 private final ContentBlock contentBlock;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
594 private final int from;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
595 private final int length;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
596
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
597 public FilterBlock(ContentBlock bd, int startFrom, int len) {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
598 assert bd != null;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
599 assert startFrom + len < bd.seq.chunkCount(); // there's one extra chunk in the end, so strict less is ok
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
600 contentBlock = bd;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
601 from = startFrom;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
602 length = len;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
603 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
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parents:
diff changeset
604
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
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diff changeset
605 public BlockData elementAt(int index) {
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parents:
diff changeset
606 if (index < 0 || index >= length) {
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parents:
diff changeset
607 throw new IllegalArgumentException(String.format("Expected value from [0..%d), got %d", length, index));
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
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diff changeset
608 }
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parents:
diff changeset
609 return contentBlock.elementAt(from + index);
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
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parents:
diff changeset
610 }
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parents:
diff changeset
611
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
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diff changeset
612 public int elementCount() {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
613 return length;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
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parents:
diff changeset
614 }
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parents:
diff changeset
615
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
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diff changeset
616 public byte[] asArray() {
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parents:
diff changeset
617 return contentBlock.seq.data(from, from + length);
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parents:
diff changeset
618 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
619 }
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diff changeset
620
678
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diff changeset
621
8625cba0a5a8 Towards better blame of merge revisions: refactor merge handling strategy
Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
622 interface MergeResolutionStrategy {
8625cba0a5a8 Towards better blame of merge revisions: refactor merge handling strategy
Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
623 /**
8625cba0a5a8 Towards better blame of merge revisions: refactor merge handling strategy
Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
624 * breaks region [start..start+length) into ranges according to deduced (or simply guessed)
8625cba0a5a8 Towards better blame of merge revisions: refactor merge handling strategy
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parents: 674
diff changeset
625 * matching of these lines to lines in source1 and source2
8625cba0a5a8 Towards better blame of merge revisions: refactor merge handling strategy
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parents: 674
diff changeset
626 * @return list of tuples (source, start, length), where source is one of the identifiers supplied
8625cba0a5a8 Towards better blame of merge revisions: refactor merge handling strategy
Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
627 */
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diff changeset
628 public IntSliceSeq combineAndMarkRangesWithSource(int start, int length, int source1, int source2);
8625cba0a5a8 Towards better blame of merge revisions: refactor merge handling strategy
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parents: 674
diff changeset
629 public int getLineInP2(int mergeLine);
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parents: 674
diff changeset
630 }
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diff changeset
631
569
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diff changeset
632 private static class EqualBlocksCollector implements DiffHelper.MatchInspector<LineSequence> {
674
cce0387c6041 Introduced dedicated IntSliceSeq/IntTuple in place of IntArray with subsequences
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parents: 629
diff changeset
633 private final RangePairSeq matches = new RangePairSeq();
569
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634
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diff changeset
635 public void begin(LineSequence s1, LineSequence s2) {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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636 }
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diff changeset
637
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diff changeset
638 public void match(int startSeq1, int startSeq2, int matchLength) {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
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parents:
diff changeset
639 matches.add(startSeq1, startSeq2, matchLength);
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
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640 }
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diff changeset
641
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
642 public void end() {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
643 }
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parents:
diff changeset
644
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parents:
diff changeset
645 public void intersectWithTarget(int start, int length, IntVector result) {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
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parents:
diff changeset
646 int s = start;
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parents:
diff changeset
647 for (int l = start, x = start + length; l < x; l++) {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
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parents:
diff changeset
648 if (!matches.includesTargetLine(l)) {
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parents:
diff changeset
649 if (l - s > 0) {
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parents:
diff changeset
650 result.add(s);
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parents:
diff changeset
651 result.add(l - s);
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
652 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
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parents:
diff changeset
653 s = l+1;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
654 }
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parents:
diff changeset
655 }
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diff changeset
656 if (s < start+length) {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
657 result.add(s);
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
658 result.add((start + length) - s);
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
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parents:
diff changeset
659 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
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parents:
diff changeset
660 }
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parents:
diff changeset
661
678
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parents: 674
diff changeset
662 }
8625cba0a5a8 Towards better blame of merge revisions: refactor merge handling strategy
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 674
diff changeset
663
8625cba0a5a8 Towards better blame of merge revisions: refactor merge handling strategy
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 674
diff changeset
664 private static class MergeStrategy1 implements MergeResolutionStrategy {
8625cba0a5a8 Towards better blame of merge revisions: refactor merge handling strategy
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 674
diff changeset
665 // equal ranges in p2 and merged revision
8625cba0a5a8 Towards better blame of merge revisions: refactor merge handling strategy
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 674
diff changeset
666 private final RangePairSeq matches;
8625cba0a5a8 Towards better blame of merge revisions: refactor merge handling strategy
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parents: 674
diff changeset
667 private final IntSliceSeq mergeRanges;
8625cba0a5a8 Towards better blame of merge revisions: refactor merge handling strategy
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 674
diff changeset
668
8625cba0a5a8 Towards better blame of merge revisions: refactor merge handling strategy
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 674
diff changeset
669 public MergeStrategy1(RangePairSeq p2EqualToM) {
8625cba0a5a8 Towards better blame of merge revisions: refactor merge handling strategy
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parents: 674
diff changeset
670 matches = p2EqualToM;
8625cba0a5a8 Towards better blame of merge revisions: refactor merge handling strategy
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 674
diff changeset
671 mergeRanges = new IntSliceSeq(3, 10, 10);
8625cba0a5a8 Towards better blame of merge revisions: refactor merge handling strategy
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parents: 674
diff changeset
672 }
8625cba0a5a8 Towards better blame of merge revisions: refactor merge handling strategy
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 674
diff changeset
673
569
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
674 /*
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
675 * intersects [start..start+length) with ranges of target lines, and based on the intersection
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
676 * breaks initial range into smaller ranges and records them into result, with marker to indicate
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parents:
diff changeset
677 * whether the range is from initial range (markerSource) or is a result of the intersection with target
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
678 * (markerTarget)
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
679 */
678
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 674
diff changeset
680 public IntSliceSeq combineAndMarkRangesWithSource(int start, int length, int markerSource, int markerTarget) {
8625cba0a5a8 Towards better blame of merge revisions: refactor merge handling strategy
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diff changeset
681 mergeRanges.clear();
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parents: 674
diff changeset
682 assert mergeRanges.sliceSize() == 3;
569
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parents:
diff changeset
683 int sourceStart = start, targetStart = start, sourceEnd = start + length;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
684 for (int l = sourceStart; l < sourceEnd; l++) {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
685 if (matches.includesTargetLine(l)) {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
686 // l is from target
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
687 if (sourceStart < l) {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
688 // few lines from source range were not in the target, report them
678
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parents: 674
diff changeset
689 mergeRanges.add(markerSource, sourceStart, l - sourceStart);
569
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
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parents:
diff changeset
690 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
691 // indicate the earliest line from source range to use
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parents:
diff changeset
692 sourceStart = l + 1;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
693 } else {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
694 // l is not in target
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
695 if (targetStart < l) {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
696 // report lines from target range
678
8625cba0a5a8 Towards better blame of merge revisions: refactor merge handling strategy
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parents: 674
diff changeset
697 mergeRanges.add(markerTarget, targetStart, l - targetStart);
569
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
698 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
699 // next line *may* be from target
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parents:
diff changeset
700 targetStart = l + 1;
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parents:
diff changeset
701 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
702 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
703 // if source range end with line from target, sourceStart would be == sourceEnd, and we need to add range with markerTarget
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
704 // if source range doesn't end with target line, targetStart == sourceEnd, while sourceStart < sourceEnd
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
705 if (sourceStart < sourceEnd) {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
706 assert targetStart == sourceEnd;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
707 // something left from the source range
678
8625cba0a5a8 Towards better blame of merge revisions: refactor merge handling strategy
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parents: 674
diff changeset
708 mergeRanges.add(markerSource, sourceStart, sourceEnd - sourceStart);
569
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diff changeset
709 } else if (targetStart < sourceEnd) {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
710 assert sourceStart == sourceEnd;
678
8625cba0a5a8 Towards better blame of merge revisions: refactor merge handling strategy
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 674
diff changeset
711 mergeRanges.add(markerTarget, targetStart, sourceEnd - targetStart);
569
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
712 }
678
8625cba0a5a8 Towards better blame of merge revisions: refactor merge handling strategy
Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
713 return mergeRanges;
8625cba0a5a8 Towards better blame of merge revisions: refactor merge handling strategy
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 674
diff changeset
714 }
8625cba0a5a8 Towards better blame of merge revisions: refactor merge handling strategy
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 674
diff changeset
715
8625cba0a5a8 Towards better blame of merge revisions: refactor merge handling strategy
Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
716 public int getLineInP2(int mergeLine) {
8625cba0a5a8 Towards better blame of merge revisions: refactor merge handling strategy
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diff changeset
717 return matches.reverseMapLine(mergeLine);
569
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
718 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
719 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
720
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
721 private static class AnnotateRev implements RevisionDescriptor {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
722 public ContentBlock origin, target;
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parents:
diff changeset
723 public int originCset, targetCset, mergeCset, fileRevIndex;
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parents:
diff changeset
724 public HgDataFile df;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
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parents:
diff changeset
725
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
726 public void set(HgDataFile file, int fileRev) {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
727 df = file;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
728 fileRevIndex = fileRev;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
729 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
730 public void set(ContentBlock o, ContentBlock t) {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
731 origin = o;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
732 target = t;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
733 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
734 public void set(int o, int t, int m) {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
735 originCset = o;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
736 targetCset = t;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
737 mergeCset = m;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
738 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
739
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
740 public BlockData origin() {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
741 return origin;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
742 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
743
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
744 public BlockData target() {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
745 return target;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
746 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
747
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
748 public int originChangesetIndex() {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
749 return originCset;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
750 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
751
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
752 public int targetChangesetIndex() {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
753 return targetCset;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
754 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
755
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
756 public boolean isMerge() {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
757 return mergeCset != NO_REVISION;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
758 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
759
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
760 public int mergeChangesetIndex() {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
761 return mergeCset;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
762 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
763
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
764 public int fileRevisionIndex() {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
765 return fileRevIndex;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
766 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
767 public HgDataFile file() {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
768 return df;
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
769 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
770 @Override
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
771 public String toString() {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
772 if (isMerge()) {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
773 return String.format("[%d,%d->%d]", originCset, mergeCset, targetCset);
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
774 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
775 return String.format("[%d->%d]", originCset, targetCset);
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
776 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
777 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
778
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
779 public static void main(String[] args) {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
780 EqualBlocksCollector bc = new EqualBlocksCollector();
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
781 bc.match(-1, 5, 3);
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
782 bc.match(-1, 10, 2);
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
783 bc.match(-1, 15, 3);
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
784 bc.match(-1, 20, 3);
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
785 IntVector r = new IntVector();
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
786 bc.intersectWithTarget(7, 10, r);
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
787 for (int i = 0; i < r.size(); i+=2) {
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
788 System.out.printf("[%d..%d) ", r.get(i), r.get(i) + r.get(i+1));
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
789 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
790 System.out.println();
678
8625cba0a5a8 Towards better blame of merge revisions: refactor merge handling strategy
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 674
diff changeset
791 MergeStrategy1 ms = new MergeStrategy1(bc.matches);
8625cba0a5a8 Towards better blame of merge revisions: refactor merge handling strategy
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 674
diff changeset
792 IntSliceSeq mr = ms.combineAndMarkRangesWithSource(0, 16, 508, 514);
674
cce0387c6041 Introduced dedicated IntSliceSeq/IntTuple in place of IntArray with subsequences
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 629
diff changeset
793 for (IntTuple t : mr) {
cce0387c6041 Introduced dedicated IntSliceSeq/IntTuple in place of IntArray with subsequences
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 629
diff changeset
794 System.out.printf("%d:[%d..%d) ", t.at(0), t.at(1), t.at(1) + t.at(2));
569
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
795 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
796 }
c4fd1037bc6f Support for copy/rename follow/no-follow for annotate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
797 }