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annotate test/org/tmatesoft/hg/test/TestBlame.java @ 555:e623aa2ca526

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Annotate: RevisionDescriptor provides extra knowledge about inspected/annotated revision
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Fri, 22 Feb 2013 19:03:25 +0100
parents a5fd757d1b5d
children e55f17a7a195
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.test;
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18
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19 import static org.junit.Assert.assertEquals;
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20 import static org.junit.Assert.assertTrue;
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21 import static org.tmatesoft.hg.repo.HgRepository.NO_REVISION;
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22 import static org.tmatesoft.hg.repo.HgRepository.TIP;
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23
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24 import java.io.ByteArrayOutputStream;
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25 import java.io.PrintStream;
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26 import java.util.Arrays;
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27 import java.util.LinkedHashSet;
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28 import java.util.LinkedList;
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29 import java.util.regex.Pattern;
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30
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31 import org.junit.Assert;
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32 import org.junit.Rule;
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33 import org.junit.Test;
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34 import org.tmatesoft.hg.core.HgIterateDirection;
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35 import org.tmatesoft.hg.internal.AnnotateFacility;
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36 import org.tmatesoft.hg.internal.AnnotateFacility.AddBlock;
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37 import org.tmatesoft.hg.internal.AnnotateFacility.Block;
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38 import org.tmatesoft.hg.internal.AnnotateFacility.BlockData;
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39 import org.tmatesoft.hg.internal.AnnotateFacility.ChangeBlock;
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40 import org.tmatesoft.hg.internal.AnnotateFacility.DeleteBlock;
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41 import org.tmatesoft.hg.internal.AnnotateFacility.EqualBlock;
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42 import org.tmatesoft.hg.internal.FileAnnotation;
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43 import org.tmatesoft.hg.internal.FileAnnotation.LineDescriptor;
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44 import org.tmatesoft.hg.internal.FileAnnotation.LineInspector;
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45 import org.tmatesoft.hg.internal.IntVector;
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46 import org.tmatesoft.hg.repo.HgDataFile;
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47 import org.tmatesoft.hg.repo.HgLookup;
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48 import org.tmatesoft.hg.repo.HgRepository;
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49
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50 /**
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51 *
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52 * @author Artem Tikhomirov
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53 * @author TMate Software Ltd.
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54 */
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55 public class TestBlame {
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56
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57 @Rule
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58 public ErrorCollectorExt errorCollector = new ErrorCollectorExt();
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59
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60
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61 @Test
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62 public void testSingleParentBlame() throws Exception {
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63 HgRepository repo = new HgLookup().detectFromWorkingDir();
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64 final String fname = "src/org/tmatesoft/hg/internal/PatchGenerator.java";
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65 final int checkChangeset = 539;
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66 HgDataFile df = repo.getFileNode(fname);
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67 ByteArrayOutputStream bos = new ByteArrayOutputStream();
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68 new AnnotateFacility().annotateSingleRevision(df, checkChangeset, new DiffOutInspector(new PrintStream(bos)));
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69 LineGrepOutputParser gp = new LineGrepOutputParser("^@@.+");
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70 ExecHelper eh = new ExecHelper(gp, null);
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71 eh.run("hg", "diff", "-c", String.valueOf(checkChangeset), "-U", "0", fname);
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72 //
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73 String[] apiResult = splitLines(bos.toString());
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74 String[] expected = splitLines(gp.result());
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75 Assert.assertArrayEquals(expected, apiResult);
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76 }
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77
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78 @Test
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79 public void testFileAnnotate() throws Exception {
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80 HgRepository repo = new HgLookup().detectFromWorkingDir();
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81 final String fname = "src/org/tmatesoft/hg/internal/PatchGenerator.java";
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82 HgDataFile df = repo.getFileNode(fname);
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83 OutputParser.Stub op = new OutputParser.Stub();
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84 ExecHelper eh = new ExecHelper(op, null);
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85
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86 for (int startChangeset : new int[] { 539, 541 /*, TIP */}) {
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87 FileAnnotateInspector fa = new FileAnnotateInspector();
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88 FileAnnotation.annotate(df, startChangeset, fa);
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89
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90
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91 op.reset();
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92 eh.run("hg", "annotate", "-r", startChangeset == TIP ? "tip" : String.valueOf(startChangeset), fname);
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93
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94 String[] hgAnnotateLines = splitLines(op.result());
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95 assertTrue("[sanity]", hgAnnotateLines.length > 0);
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96 assertEquals("Number of lines reported by native annotate and our impl", hgAnnotateLines.length, fa.lineRevisions.length);
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97
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98 for (int i = 0; i < fa.lineRevisions.length; i++) {
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99 int hgAnnotateRevIndex = Integer.parseInt(hgAnnotateLines[i].substring(0, hgAnnotateLines[i].indexOf(':')));
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100 errorCollector.assertEquals(String.format("Revision mismatch for line %d", i+1), hgAnnotateRevIndex, fa.lineRevisions[i]);
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101 }
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102 }
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103 }
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104
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105 @Test
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106 public void testComplexHistoryAnnotate() throws Exception {
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107 HgRepository repo = Configuration.get().find("test-annotate");
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108 HgDataFile df = repo.getFileNode("file1");
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109 AnnotateFacility af = new AnnotateFacility();
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110 ByteArrayOutputStream bos = new ByteArrayOutputStream();
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111 DiffOutInspector dump = new DiffOutInspector(new PrintStream(bos));
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112 af.annotate(df, TIP, dump, HgIterateDirection.OldToNew);
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113 LinkedList<String> apiResult = new LinkedList<String>(Arrays.asList(splitLines(bos.toString())));
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114
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115 LineGrepOutputParser gp = new LineGrepOutputParser("^@@.+");
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116 ExecHelper eh = new ExecHelper(gp, repo.getWorkingDir());
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117 System.out.println(Arrays.toString(dump.getReportedTargetRevisions()));
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118 for (int cs : dump.getReportedTargetRevisions()) {
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119 gp.reset();
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120 eh.run("hg", "diff", "-c", String.valueOf(cs), "-U", "0", df.getPath().toString());
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121 for (String expected : splitLines(gp.result())) {
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122 if (!apiResult.remove(expected)) {
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123 errorCollector.fail(String.format("Expected diff output '%s' for changes in revision %d", expected, cs));
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124 }
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125 }
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126 }
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127 errorCollector.assertTrue(String.format("Annotate API reported excessive diff: %s ", apiResult.toString()), apiResult.isEmpty());
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128 }
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129
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130 private static String[] splitLines(CharSequence seq) {
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131 int lineCount = 0;
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132 for (int i = 0, x = seq.length(); i < x; i++) {
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133 if (seq.charAt(i) == '\n') {
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134 lineCount++;
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135 }
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136 }
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137 if (seq.length() > 0 && seq.charAt(seq.length()-1) != '\n') {
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138 lineCount++;
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139 }
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140 String[] rv = new String[lineCount];
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141 int lineStart = 0, lineEnd = 0, ix = 0;
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142 do {
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143 while (lineEnd < seq.length() && seq.charAt(lineEnd) != '\n') lineEnd++;
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144 if (lineEnd == lineStart) {
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145 continue;
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146 }
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147 CharSequence line = seq.subSequence(lineStart, lineEnd);
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148 rv[ix++] = line.toString();
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149 lineStart = ++lineEnd;
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150 } while (lineStart < seq.length());
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151 assert ix == lineCount;
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152 return rv;
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153 }
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154
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155
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156 private void aaa() throws Exception {
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157 HgRepository repo = new HgLookup().detectFromWorkingDir();
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158 final String fname = "src/org/tmatesoft/hg/internal/PatchGenerator.java";
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159 final int checkChangeset = 539;
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160 HgDataFile df = repo.getFileNode(fname);
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161 AnnotateFacility af = new AnnotateFacility();
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162 DiffOutInspector dump = new DiffOutInspector(System.out);
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163 System.out.println("541 -> 543");
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164 af.annotateSingleRevision(df, 543, dump);
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165 System.out.println("539 -> 541");
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166 af.annotateSingleRevision(df, 541, dump);
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167 System.out.println("536 -> 539");
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168 af.annotateSingleRevision(df, checkChangeset, dump);
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169 System.out.println("531 -> 536");
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170 af.annotateSingleRevision(df, 536, dump);
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171 System.out.println(" -1 -> 531");
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172 af.annotateSingleRevision(df, 531, dump);
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173
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174 FileAnnotateInspector fai = new FileAnnotateInspector();
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175 FileAnnotation.annotate(df, 541, fai);
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176 for (int i = 0; i < fai.lineRevisions.length; i++) {
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177 System.out.printf("%3d: LINE %d\n", fai.lineRevisions[i], i+1);
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178 }
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179 }
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180
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181 private void bbb() throws Exception {
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182 HgRepository repo = new HgLookup().detectFromWorkingDir();
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183 final String fname = "src/org/tmatesoft/hg/repo/HgManifest.java";
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184 final int checkChangeset = 415;
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185 HgDataFile df = repo.getFileNode(fname);
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186 AnnotateFacility af = new AnnotateFacility();
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187 DiffOutInspector dump = new DiffOutInspector(System.out);
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188 // System.out.println("413 -> 415");
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189 // af.diff(df, 413, 415, dump);
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190 // System.out.println("408 -> 415");
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191 // af.diff(df, 408, 415, dump);
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192 // System.out.println("Combined (with merge):");
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193 // dump.needRevisions(true);
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194 // af.annotateChange(df, checkChangeset, dump);
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195 dump.needRevisions(true);
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196 af.annotate(df, checkChangeset, dump, HgIterateDirection.OldToNew);
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197 }
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198
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199 private void ccc() throws Exception {
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200 HgRepository repo = new HgLookup().detect("/home/artem/hg/junit-test-repos/test-annotate/");
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201 HgDataFile df = repo.getFileNode("file1");
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202 AnnotateFacility af = new AnnotateFacility();
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203 DiffOutInspector dump = new DiffOutInspector(System.out);
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204 dump.needRevisions(true);
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205 af.annotate(df, TIP, dump, HgIterateDirection.OldToNew);
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206 System.out.println();
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207 af.annotate(df, TIP, new LineDumpInspector(true), HgIterateDirection.NewToOld);
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208 System.out.println();
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209 af.annotate(df, TIP, new LineDumpInspector(false), HgIterateDirection.NewToOld);
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210 System.out.println();
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211 FileAnnotateInspector fa = new FileAnnotateInspector();
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212 FileAnnotation.annotate(df, TIP, fa);
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213 for (int i = 0; i < fa.lineRevisions.length; i++) {
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214 System.out.printf("%d: LINE %d\n", fa.lineRevisions[i], i+1);
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215 }
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216 }
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217
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218 public static void main(String[] args) throws Exception {
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219 // System.out.println(Arrays.equals(new String[0], splitLines("")));
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220 // System.out.println(Arrays.equals(new String[] { "abc" }, splitLines("abc")));
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221 // System.out.println(Arrays.equals(new String[] { "a", "bc" }, splitLines("a\nbc")));
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222 // System.out.println(Arrays.equals(new String[] { "a", "bc" }, splitLines("a\nbc\n")));
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223 new TestBlame().ccc();
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224 }
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225
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diff changeset
226 private static class DiffOutInspector implements AnnotateFacility.BlockInspector {
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diff changeset
227 private final PrintStream out;
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diff changeset
228 private boolean dumpRevs;
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229 private IntVector reportedRevisionPairs = new IntVector();
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230
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231 DiffOutInspector(PrintStream ps) {
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232 out = ps;
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233 }
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234
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235 // Note, true makes output incompatible with 'hg diff'
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236 public void needRevisions(boolean dumpRevs) {
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237 this.dumpRevs = dumpRevs;
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238 }
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239
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240 private void printRevs(Block b) {
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241 if (dumpRevs) {
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242 out.printf("[%3d -> %3d] ", b.originChangesetIndex(), b.targetChangesetIndex());
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243 }
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244 reportedRevisionPairs.add(b.originChangesetIndex(), b.targetChangesetIndex());
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245 }
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246
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247 int[] getReportedTargetRevisions() {
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248 LinkedHashSet<Integer> rv = new LinkedHashSet<Integer>();
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249 for (int i = 1; i < reportedRevisionPairs.size(); i += 2) {
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250 rv.add(reportedRevisionPairs.get(i));
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251 }
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252 int[] x = new int[rv.size()];
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253 int i = 0;
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254 for (int v : rv) {
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255 x[i++] = v;
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256 }
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257 return x;
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258 }
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259
545
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260 public void same(EqualBlock block) {
543
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261 // nothing
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262 }
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263
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264 public void deleted(DeleteBlock block) {
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265 printRevs(block);
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266 out.printf("@@ -%d,%d +%d,0 @@\n", block.firstRemovedLine() + 1, block.totalRemovedLines(), block.removedAt());
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267 }
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268
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269 public void changed(ChangeBlock block) {
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270 printRevs(block);
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271 out.printf("@@ -%d,%d +%d,%d @@\n", block.firstRemovedLine() + 1, block.totalRemovedLines(), block.firstAddedLine() + 1, block.totalAddedLines());
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272 }
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273
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274 public void added(AddBlock block) {
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275 printRevs(block);
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276 out.printf("@@ -%d,0 +%d,%d @@\n", block.insertedAt(), block.firstAddedLine() + 1, block.totalAddedLines());
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277 }
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278 }
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279
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280 public static class LineGrepOutputParser implements OutputParser {
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281
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282 private final Pattern pattern;
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283 private final StringBuilder result = new StringBuilder();
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284
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285 public LineGrepOutputParser(String regexp) {
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286 pattern = Pattern.compile(regexp);
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287 }
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288
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289 public void reset() {
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290 result.setLength(0);
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291 }
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292
543
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293 public CharSequence result() {
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294 return result;
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295 }
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296
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297 public void parse(CharSequence seq) {
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298 int lineStart = 0, lineEnd = 0;
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299 do {
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300 while (lineEnd < seq.length() && seq.charAt(lineEnd) != '\n') lineEnd++;
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301 if (lineEnd == lineStart) {
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302 continue;
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303 }
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304 CharSequence line = seq.subSequence(lineStart, lineEnd);
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305 if (pattern.matcher(line).matches()) {
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306 result.append(line);
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307 result.append('\n');
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308 }
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309 lineStart = ++lineEnd;
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310 } while (lineStart < seq.length());
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311 }
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312 }
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313
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314 private static class FileAnnotateInspector implements LineInspector {
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315 private int[] lineRevisions;
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316
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317 FileAnnotateInspector() {
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318 }
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319
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320 public void line(int lineNumber, int changesetRevIndex, LineDescriptor ld) {
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321 if (lineRevisions == null) {
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322 lineRevisions = new int [ld.totalLines()];
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323 Arrays.fill(lineRevisions, NO_REVISION);
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324 }
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diff changeset
325 lineRevisions[lineNumber] = changesetRevIndex;
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326 }
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327 }
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328
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329 private static class LineDumpInspector implements AnnotateFacility.BlockInspector {
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330
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331 private final boolean lineByLine;
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332
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333 public LineDumpInspector(boolean lineByLine) {
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334 this.lineByLine = lineByLine;
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335 }
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336
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337 public void same(EqualBlock block) {
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338 }
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339
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340 public void added(AddBlock block) {
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341 BlockData lines = block.addedLines();
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342 printBlock(lines, block.targetChangesetIndex(), block.firstAddedLine(), block.totalAddedLines(), "+++");
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343 }
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344
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345 public void changed(ChangeBlock block) {
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346 deleted(block);
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347 added(block);
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348 }
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349
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350 public void deleted(DeleteBlock block) {
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diff changeset
351 BlockData lines = block.removedLines();
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352 assert lines.elementCount() == block.totalRemovedLines();
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diff changeset
353 printBlock(lines, block.originChangesetIndex(), block.firstRemovedLine(), block.totalRemovedLines(), "---");
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354 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 553
diff changeset
355
a5fd757d1b5d Access to content of annotated files through BlockData interface
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 553
diff changeset
356 private void printBlock(BlockData lines, int cset, int first, int length, String marker) {
a5fd757d1b5d Access to content of annotated files through BlockData interface
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diff changeset
357 assert lines.elementCount() == length;
a5fd757d1b5d Access to content of annotated files through BlockData interface
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 553
diff changeset
358 if (lineByLine) {
a5fd757d1b5d Access to content of annotated files through BlockData interface
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 553
diff changeset
359 for (int i = 0, ln = first; i < length; i++, ln++) {
a5fd757d1b5d Access to content of annotated files through BlockData interface
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parents: 553
diff changeset
360 String line = new String(lines.elementAt(i).asArray());
a5fd757d1b5d Access to content of annotated files through BlockData interface
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 553
diff changeset
361 System.out.printf("%3d:%3d:%s:%s", cset, ln, marker, line);
a5fd757d1b5d Access to content of annotated files through BlockData interface
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 553
diff changeset
362 }
a5fd757d1b5d Access to content of annotated files through BlockData interface
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 553
diff changeset
363 } else {
a5fd757d1b5d Access to content of annotated files through BlockData interface
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 553
diff changeset
364 String content = new String(lines.asArray());
a5fd757d1b5d Access to content of annotated files through BlockData interface
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 553
diff changeset
365 System.out.printf("%3d:%s:[%d..%d):\n%s", cset, marker, first, first+length, content);
a5fd757d1b5d Access to content of annotated files through BlockData interface
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 553
diff changeset
366 }
a5fd757d1b5d Access to content of annotated files through BlockData interface
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 553
diff changeset
367 }
a5fd757d1b5d Access to content of annotated files through BlockData interface
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 553
diff changeset
368 }
542
a71a05ec11bc Towards annotate/blame support: general outline of the functionality
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
369 }