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annotate test/org/tmatesoft/hg/test/TestBlame.java @ 557:b9e5ac26dd83

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Annotate: Line annotation needs true line position from merged blocks; test-annotate repo updated to show elements from both parents in the merged revision
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Sun, 24 Feb 2013 00:11:40 +0100
parents e55f17a7a195
children 154718ae23ed
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.IOException;
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26 import java.io.PrintStream;
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27 import java.util.Arrays;
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28 import java.util.LinkedHashSet;
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29 import java.util.LinkedList;
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30 import java.util.ListIterator;
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31 import java.util.regex.Matcher;
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32 import java.util.regex.Pattern;
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33
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34 import org.junit.Assert;
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35 import org.junit.Rule;
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36 import org.junit.Test;
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37 import org.tmatesoft.hg.core.HgIterateDirection;
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38 import org.tmatesoft.hg.internal.FileAnnotation;
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39 import org.tmatesoft.hg.internal.FileAnnotation.LineDescriptor;
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40 import org.tmatesoft.hg.internal.FileAnnotation.LineInspector;
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41 import org.tmatesoft.hg.internal.IntVector;
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42 import org.tmatesoft.hg.repo.HgBlameFacility;
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43 import org.tmatesoft.hg.repo.HgBlameFacility.AddBlock;
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44 import org.tmatesoft.hg.repo.HgBlameFacility.Block;
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45 import org.tmatesoft.hg.repo.HgBlameFacility.BlockData;
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46 import org.tmatesoft.hg.repo.HgBlameFacility.ChangeBlock;
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47 import org.tmatesoft.hg.repo.HgBlameFacility.DeleteBlock;
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48 import org.tmatesoft.hg.repo.HgBlameFacility.EqualBlock;
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49 import org.tmatesoft.hg.repo.HgDataFile;
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50 import org.tmatesoft.hg.repo.HgLookup;
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51 import org.tmatesoft.hg.repo.HgRepository;
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52
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53 /**
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54 *
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55 * @author Artem Tikhomirov
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56 * @author TMate Software Ltd.
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57 */
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58 public class TestBlame {
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59
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60 @Rule
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61 public ErrorCollectorExt errorCollector = new ErrorCollectorExt();
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62 private ExecHelper eh;
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63
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64
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65 @Test
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66 public void testSingleParentBlame() throws Exception {
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67 HgRepository repo = new HgLookup().detectFromWorkingDir();
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68 final String fname = "src/org/tmatesoft/hg/internal/PatchGenerator.java";
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69 final int checkChangeset = 539;
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70 HgDataFile df = repo.getFileNode(fname);
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71 ByteArrayOutputStream bos = new ByteArrayOutputStream();
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72 new HgBlameFacility().annotateSingleRevision(df, checkChangeset, new DiffOutInspector(new PrintStream(bos)));
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73 LineGrepOutputParser gp = new LineGrepOutputParser("^@@.+");
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74 ExecHelper eh = new ExecHelper(gp, null);
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75 eh.run("hg", "diff", "-c", String.valueOf(checkChangeset), "-U", "0", fname);
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76 //
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77 String[] apiResult = splitLines(bos.toString());
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78 String[] expected = splitLines(gp.result());
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79 Assert.assertArrayEquals(expected, apiResult);
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80 }
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81
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82 @Test
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83 public void testFileLineAnnotate1() throws Exception {
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84 HgRepository repo = new HgLookup().detectFromWorkingDir();
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85 final String fname = "src/org/tmatesoft/hg/internal/PatchGenerator.java";
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86 HgDataFile df = repo.getFileNode(fname);
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87 OutputParser.Stub op = new OutputParser.Stub();
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88 eh = new ExecHelper(op, null);
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89
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90 for (int startChangeset : new int[] { 539, 541 /*, TIP */}) {
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91 doLineAnnotateTest(df, startChangeset, op);
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92 }
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93 }
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95 private void doLineAnnotateTest(HgDataFile df, int cs, OutputParser.Stub op) throws InterruptedException, IOException {
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96 FileAnnotateInspector fa = new FileAnnotateInspector();
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97 FileAnnotation.annotate(df, cs, fa);
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98
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99 op.reset();
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100 eh.run("hg", "annotate", "-r", cs == TIP ? "tip" : String.valueOf(cs), df.getPath().toString());
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102 String[] hgAnnotateLines = splitLines(op.result());
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103 assertTrue("[sanity]", hgAnnotateLines.length > 0);
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104 assertEquals("Number of lines reported by native annotate and our impl", hgAnnotateLines.length, fa.lineRevisions.length);
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106 for (int i = 0; i < fa.lineRevisions.length; i++) {
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107 int hgAnnotateRevIndex = Integer.parseInt(hgAnnotateLines[i].substring(0, hgAnnotateLines[i].indexOf(':')));
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108 errorCollector.assertEquals(String.format("Revision mismatch for line %d", i+1), hgAnnotateRevIndex, fa.lineRevisions[i]);
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109 String hgAnnotateLine = hgAnnotateLines[i].substring(hgAnnotateLines[i].indexOf(':') + 1);
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110 String apiLine = fa.line(i).trim();
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111 errorCollector.assertEquals(hgAnnotateLine.trim(), apiLine);
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112 }
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113 }
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114
557
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115 @Test
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116 public void testFileLineAnnotate2() throws Exception {
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117 HgRepository repo = Configuration.get().find("test-annotate");
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118 HgDataFile df = repo.getFileNode("file1");
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119 OutputParser.Stub op = new OutputParser.Stub();
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120 eh = new ExecHelper(op, repo.getWorkingDir());
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121 for (int cs : new int[] { 4, 6, TIP/*, 8 FIXME find out how come hg annotate doesn't see re-added line in rev4*/}) {
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122 doLineAnnotateTest(df, cs, op);
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123 }
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124 }
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125
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126 @Test
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127 public void testComplexHistoryAnnotate() throws Exception {
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128 HgRepository repo = Configuration.get().find("test-annotate");
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129 HgDataFile df = repo.getFileNode("file1");
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130 HgBlameFacility af = new HgBlameFacility();
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131 ByteArrayOutputStream bos = new ByteArrayOutputStream();
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132 DiffOutInspector dump = new DiffOutInspector(new PrintStream(bos));
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133 af.annotate(df, TIP, dump, HgIterateDirection.OldToNew);
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134 LinkedList<String> apiResult = new LinkedList<String>(Arrays.asList(splitLines(bos.toString())));
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135
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136 /*
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137 * FIXME this is an ugly hack to deal with the way `hg diff -c <mergeRev>` describes the change
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138 * and our merge handling approach. For merged revision m, and lines changed both in p1 and p2
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139 * we report lines from p2 as pure additions, regardless of intersecting p1 changes (which
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140 * are reported as deletions, if no sufficient changed lines in m found)
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141 * So, here we try to combine deletion that follows a change (based on identical insertionPoint)
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142 * into a single change
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143 * To fix, need to find better approach to find out reference info (i.e. `hg diff -c` is flawed in this case,
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144 * as it uses first parent only).
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145 */
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146 Pattern fix = Pattern.compile("@@ -(\\d+),(\\d+) \\+(\\d+),(\\d+) @@");
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147 int v1, v2, v3, v4;
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148 v1 = v2 = v3 = v4 = -1;
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149 for (ListIterator<String> it = apiResult.listIterator(); it.hasNext();) {
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150 String n = it.next();
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151 Matcher m = fix.matcher(n);
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152 if (m.find()) {
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153 int d1 = Integer.parseInt(m.group(1));
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154 int d2 = Integer.parseInt(m.group(2));
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155 int d3 = Integer.parseInt(m.group(3));
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156 int d4 = Integer.parseInt(m.group(4));
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157 if (v1 == d1 && d4 == 0) {
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158 it.previous(); // shift to current element
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159 it.previous(); // to real previous
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160 it.remove();
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161 it.next();
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162 it.set(String.format("@@ -%d,%d +%d,%d @@", v1, v2+d2, v3, v4));
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163 }
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164 v1 = d1;
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165 v2 = d2;
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166 v3 = d3;
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167 v4 = d4;
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168 }
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169 }
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170
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171 LineGrepOutputParser gp = new LineGrepOutputParser("^@@.+");
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172 ExecHelper eh = new ExecHelper(gp, repo.getWorkingDir());
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173 for (int cs : dump.getReportedTargetRevisions()) {
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174 gp.reset();
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175 eh.run("hg", "diff", "-c", String.valueOf(cs), "-U", "0", df.getPath().toString());
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176 for (String expected : splitLines(gp.result())) {
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177 if (!apiResult.remove(expected)) {
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178 errorCollector.fail(String.format("Expected diff output '%s' for changes in revision %d", expected, cs));
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179 }
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180 }
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181 }
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182 errorCollector.assertTrue(String.format("Annotate API reported excessive diff: %s ", apiResult.toString()), apiResult.isEmpty());
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183 }
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184
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185 private static String[] splitLines(CharSequence seq) {
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186 int lineCount = 0;
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187 for (int i = 0, x = seq.length(); i < x; i++) {
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188 if (seq.charAt(i) == '\n') {
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189 lineCount++;
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190 }
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191 }
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192 if (seq.length() > 0 && seq.charAt(seq.length()-1) != '\n') {
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193 lineCount++;
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194 }
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195 String[] rv = new String[lineCount];
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196 int lineStart = 0, lineEnd = 0, ix = 0;
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197 do {
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198 while (lineEnd < seq.length() && seq.charAt(lineEnd) != '\n') lineEnd++;
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199 if (lineEnd == lineStart) {
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200 continue;
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201 }
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202 CharSequence line = seq.subSequence(lineStart, lineEnd);
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203 rv[ix++] = line.toString();
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204 lineStart = ++lineEnd;
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205 } while (lineStart < seq.length());
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206 assert ix == lineCount;
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207 return rv;
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208 }
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209
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210
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211 private void aaa() throws Exception {
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212 HgRepository repo = new HgLookup().detectFromWorkingDir();
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213 final String fname = "src/org/tmatesoft/hg/internal/PatchGenerator.java";
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214 final int checkChangeset = 539;
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215 HgDataFile df = repo.getFileNode(fname);
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216 HgBlameFacility af = new HgBlameFacility();
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217 DiffOutInspector dump = new DiffOutInspector(System.out);
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218 System.out.println("541 -> 543");
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219 af.annotateSingleRevision(df, 543, dump);
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220 System.out.println("539 -> 541");
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221 af.annotateSingleRevision(df, 541, dump);
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222 System.out.println("536 -> 539");
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223 af.annotateSingleRevision(df, checkChangeset, dump);
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224 System.out.println("531 -> 536");
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225 af.annotateSingleRevision(df, 536, dump);
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226 System.out.println(" -1 -> 531");
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227 af.annotateSingleRevision(df, 531, dump);
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228
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229 FileAnnotateInspector fai = new FileAnnotateInspector();
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230 FileAnnotation.annotate(df, 541, fai);
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231 for (int i = 0; i < fai.lineRevisions.length; i++) {
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232 System.out.printf("%3d: LINE %d\n", fai.lineRevisions[i], i+1);
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233 }
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234 }
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235
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236 private void bbb() throws Exception {
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237 HgRepository repo = new HgLookup().detectFromWorkingDir();
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238 final String fname = "src/org/tmatesoft/hg/repo/HgManifest.java";
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239 final int checkChangeset = 415;
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240 HgDataFile df = repo.getFileNode(fname);
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241 HgBlameFacility af = new HgBlameFacility();
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242 DiffOutInspector dump = new DiffOutInspector(System.out);
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243 // System.out.println("413 -> 415");
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244 // af.diff(df, 413, 415, dump);
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245 // System.out.println("408 -> 415");
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246 // af.diff(df, 408, 415, dump);
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247 // System.out.println("Combined (with merge):");
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248 // dump.needRevisions(true);
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249 // af.annotateChange(df, checkChangeset, dump);
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250 dump.needRevisions(true);
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251 af.annotate(df, checkChangeset, dump, HgIterateDirection.OldToNew);
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252 }
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253
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254 private void ccc() throws Exception {
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255 HgRepository repo = new HgLookup().detect("/home/artem/hg/junit-test-repos/test-annotate/");
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256 HgDataFile df = repo.getFileNode("file1");
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257 HgBlameFacility af = new HgBlameFacility();
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258 // DiffOutInspector dump = new DiffOutInspector(System.out);
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259 // dump.needRevisions(true);
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260 // af.annotate(df, TIP, dump, HgIterateDirection.OldToNew);
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261 // System.out.println();
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262 // af.annotate(df, TIP, new LineDumpInspector(true), HgIterateDirection.NewToOld);
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263 // System.out.println();
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264 // af.annotate(df, TIP, new LineDumpInspector(false), HgIterateDirection.NewToOld);
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265 // System.out.println();
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266 FileAnnotateInspector fa = new FileAnnotateInspector();
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267 FileAnnotation.annotate(df, TIP, fa); //4,6,TIP
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268 for (int i = 0; i < fa.lineRevisions.length; i++) {
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269 System.out.printf("%d: %s", fa.lineRevisions[i], fa.line(i) == null ? "null\n" : fa.line(i));
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270 }
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271 }
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272
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273 public static void main(String[] args) throws Exception {
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274 // System.out.println(Arrays.equals(new String[0], splitLines("")));
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275 // System.out.println(Arrays.equals(new String[] { "abc" }, splitLines("abc")));
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276 // System.out.println(Arrays.equals(new String[] { "a", "bc" }, splitLines("a\nbc")));
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277 // System.out.println(Arrays.equals(new String[] { "a", "bc" }, splitLines("a\nbc\n")));
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278 new TestBlame().ccc();
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279 }
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280
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281 private static class DiffOutInspector implements HgBlameFacility.BlockInspector {
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282 private final PrintStream out;
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283 private boolean dumpRevs;
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284 private IntVector reportedRevisionPairs = new IntVector();
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285
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286 DiffOutInspector(PrintStream ps) {
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287 out = ps;
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288 }
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289
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290 // Note, true makes output incompatible with 'hg diff'
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291 public void needRevisions(boolean dumpRevs) {
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292 this.dumpRevs = dumpRevs;
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293 }
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294
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295 private void printRevs(Block b) {
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296 if (dumpRevs) {
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297 out.printf("[%3d -> %3d] ", b.originChangesetIndex(), b.targetChangesetIndex());
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298 }
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299 reportedRevisionPairs.add(b.originChangesetIndex(), b.targetChangesetIndex());
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300 }
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301
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302 int[] getReportedTargetRevisions() {
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303 LinkedHashSet<Integer> rv = new LinkedHashSet<Integer>();
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304 for (int i = 1; i < reportedRevisionPairs.size(); i += 2) {
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305 rv.add(reportedRevisionPairs.get(i));
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306 }
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307 int[] x = new int[rv.size()];
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308 int i = 0;
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309 for (int v : rv) {
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310 x[i++] = v;
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311 }
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312 return x;
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313 }
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314
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315 public void same(EqualBlock block) {
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316 // nothing
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317 }
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318
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319 public void deleted(DeleteBlock block) {
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320 printRevs(block);
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321 out.printf("@@ -%d,%d +%d,0 @@\n", block.firstRemovedLine() + 1, block.totalRemovedLines(), block.removedAt());
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322 }
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323
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324 public void changed(ChangeBlock block) {
549
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325 printRevs(block);
543
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326 out.printf("@@ -%d,%d +%d,%d @@\n", block.firstRemovedLine() + 1, block.totalRemovedLines(), block.firstAddedLine() + 1, block.totalAddedLines());
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327 }
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328
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329 public void added(AddBlock block) {
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330 printRevs(block);
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331 out.printf("@@ -%d,0 +%d,%d @@\n", block.insertedAt(), block.firstAddedLine() + 1, block.totalAddedLines());
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332 }
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333 }
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334
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335 public static class LineGrepOutputParser implements OutputParser {
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336
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337 private final Pattern pattern;
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338 private final StringBuilder result = new StringBuilder();
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339
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340 public LineGrepOutputParser(String regexp) {
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341 pattern = Pattern.compile(regexp);
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342 }
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343
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344 public void reset() {
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345 result.setLength(0);
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346 }
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347
543
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348 public CharSequence result() {
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349 return result;
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350 }
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351
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352 public void parse(CharSequence seq) {
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353 int lineStart = 0, lineEnd = 0;
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354 do {
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355 while (lineEnd < seq.length() && seq.charAt(lineEnd) != '\n') lineEnd++;
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356 if (lineEnd == lineStart) {
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357 continue;
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358 }
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359 CharSequence line = seq.subSequence(lineStart, lineEnd);
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360 if (pattern.matcher(line).matches()) {
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361 result.append(line);
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362 result.append('\n');
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363 }
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364 lineStart = ++lineEnd;
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365 } while (lineStart < seq.length());
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366 }
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367 }
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368
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e623aa2ca526 Annotate: RevisionDescriptor provides extra knowledge about inspected/annotated revision
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369 private static class FileAnnotateInspector implements LineInspector {
545
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370 private int[] lineRevisions;
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371 private String[] lines;
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372
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cd78e8b9d7bc File annotate test. Refactored FileAnnotation as standalone class, introduced LineInspector to make line offset calc code shared
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373 FileAnnotateInspector() {
545
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374 }
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375
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376 public void line(int lineNumber, int changesetRevIndex, BlockData lineContent, LineDescriptor ld) {
545
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377 if (lineRevisions == null) {
546
cd78e8b9d7bc File annotate test. Refactored FileAnnotation as standalone class, introduced LineInspector to make line offset calc code shared
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378 lineRevisions = new int [ld.totalLines()];
545
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diff changeset
379 Arrays.fill(lineRevisions, NO_REVISION);
557
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380 lines = new String[ld.totalLines()];
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381 }
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cd78e8b9d7bc File annotate test. Refactored FileAnnotation as standalone class, introduced LineInspector to make line offset calc code shared
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diff changeset
382 lineRevisions[lineNumber] = changesetRevIndex;
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diff changeset
383 lines[lineNumber] = new String(lineContent.asArray());
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diff changeset
384 }
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diff changeset
385
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diff changeset
386 public String line(int i) {
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diff changeset
387 return lines[i];
545
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388 }
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389 }
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cd78e8b9d7bc File annotate test. Refactored FileAnnotation as standalone class, introduced LineInspector to make line offset calc code shared
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diff changeset
390
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diff changeset
391 private static class LineDumpInspector implements HgBlameFacility.BlockInspector {
554
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diff changeset
392
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diff changeset
393 private final boolean lineByLine;
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diff changeset
394
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diff changeset
395 public LineDumpInspector(boolean lineByLine) {
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diff changeset
396 this.lineByLine = lineByLine;
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diff changeset
397 }
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diff changeset
398
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diff changeset
399 public void same(EqualBlock block) {
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diff changeset
400 }
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diff changeset
401
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diff changeset
402 public void added(AddBlock block) {
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diff changeset
403 BlockData lines = block.addedLines();
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diff changeset
404 printBlock(lines, block.targetChangesetIndex(), block.firstAddedLine(), block.totalAddedLines(), "+++");
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diff changeset
405 }
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diff changeset
406
a5fd757d1b5d Access to content of annotated files through BlockData interface
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diff changeset
407 public void changed(ChangeBlock block) {
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diff changeset
408 deleted(block);
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diff changeset
409 added(block);
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diff changeset
410 }
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diff changeset
411
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diff changeset
412 public void deleted(DeleteBlock block) {
a5fd757d1b5d Access to content of annotated files through BlockData interface
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diff changeset
413 BlockData lines = block.removedLines();
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diff changeset
414 assert lines.elementCount() == block.totalRemovedLines();
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diff changeset
415 printBlock(lines, block.originChangesetIndex(), block.firstRemovedLine(), block.totalRemovedLines(), "---");
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diff changeset
416 }
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diff changeset
417
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diff changeset
418 private void printBlock(BlockData lines, int cset, int first, int length, String marker) {
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diff changeset
419 assert lines.elementCount() == length;
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diff changeset
420 if (lineByLine) {
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diff changeset
421 for (int i = 0, ln = first; i < length; i++, ln++) {
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diff changeset
422 String line = new String(lines.elementAt(i).asArray());
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diff changeset
423 System.out.printf("%3d:%3d:%s:%s", cset, ln, marker, line);
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diff changeset
424 }
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diff changeset
425 } else {
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diff changeset
426 String content = new String(lines.asArray());
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diff changeset
427 System.out.printf("%3d:%s:[%d..%d):\n%s", cset, marker, first, first+length, content);
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diff changeset
428 }
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diff changeset
429 }
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diff changeset
430 }
542
a71a05ec11bc Towards annotate/blame support: general outline of the functionality
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parents:
diff changeset
431 }