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annotate test/org/tmatesoft/hg/test/TestBlame.java @ 546:cd78e8b9d7bc

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File annotate test. Refactored FileAnnotation as standalone class, introduced LineInspector to make line offset calc code shared
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Mon, 18 Feb 2013 19:19:48 +0100
parents 15b406c7cd9d
children ab21ac7dd833
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
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23 import java.io.ByteArrayOutputStream;
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24 import java.io.PrintStream;
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25 import java.util.Arrays;
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26 import java.util.regex.Pattern;
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27
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28 import org.junit.Assert;
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29 import org.junit.Test;
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30 import org.tmatesoft.hg.internal.AnnotateFacility;
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31 import org.tmatesoft.hg.internal.AnnotateFacility.AddBlock;
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32 import org.tmatesoft.hg.internal.AnnotateFacility.ChangeBlock;
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33 import org.tmatesoft.hg.internal.AnnotateFacility.DeleteBlock;
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34 import org.tmatesoft.hg.internal.AnnotateFacility.EqualBlock;
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35 import org.tmatesoft.hg.internal.AnnotateFacility.LineDescriptor;
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36 import org.tmatesoft.hg.internal.IntMap;
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37 import org.tmatesoft.hg.repo.HgDataFile;
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38 import org.tmatesoft.hg.repo.HgLookup;
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39 import org.tmatesoft.hg.repo.HgRepository;
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40
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41 /**
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42 *
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43 * @author Artem Tikhomirov
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44 * @author TMate Software Ltd.
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45 */
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46 public class TestBlame {
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47
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48
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49 @Test
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50 public void testSingleParentBlame() throws Exception {
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51 HgRepository repo = new HgLookup().detectFromWorkingDir();
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52 final String fname = "src/org/tmatesoft/hg/internal/PatchGenerator.java";
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53 final int checkChangeset = 539;
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54 HgDataFile df = repo.getFileNode(fname);
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55 ByteArrayOutputStream bos = new ByteArrayOutputStream();
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56 new AnnotateFacility().annotateChange(df, checkChangeset, new DiffOutInspector(new PrintStream(bos)));
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57 LineGrepOutputParser gp = new LineGrepOutputParser("^@@.+");
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58 ExecHelper eh = new ExecHelper(gp, null);
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59 eh.run("hg", "diff", "-c", String.valueOf(checkChangeset), "-U", "0", fname);
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60 //
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61 String[] apiResult = splitLines(bos.toString());
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62 String[] expected = splitLines(gp.result());
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63 Assert.assertArrayEquals(expected, apiResult);
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64 }
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65
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66 @Test
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67 public void testFileAnnotate() throws Exception {
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68 HgRepository repo = new HgLookup().detectFromWorkingDir();
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69 final String fname = "src/org/tmatesoft/hg/internal/PatchGenerator.java";
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70 final int[] checkChangesets = new int[] { 539 , 536, 531 };
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71 HgDataFile df = repo.getFileNode(fname);
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72 AnnotateFacility af = new AnnotateFacility();
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73 FileAnnotateInspector fa = new FileAnnotateInspector();
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74 for (int cs : checkChangesets) {
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75 af.annotateChange(df, cs, new FileAnnotation(fa));
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76 }
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77
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78 OutputParser.Stub op = new OutputParser.Stub();
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79 ExecHelper eh = new ExecHelper(op, null);
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80 eh.run("hg", "annotate", "-r", String.valueOf(checkChangesets[0]), fname);
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81
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82 String[] hgAnnotateLines = splitLines(op.result());
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83 assertTrue("[sanity]", hgAnnotateLines.length > 0);
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84 assertEquals("Number of lines reported by native annotate and our impl", hgAnnotateLines.length, fa.lineRevisions.length);
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85
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86 for (int i = 0; i < fa.lineRevisions.length; i++) {
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87 int hgAnnotateRevIndex = Integer.parseInt(hgAnnotateLines[i].substring(0, hgAnnotateLines[i].indexOf(':')));
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88 assertEquals(String.format("Revision mismatch for line %d", i+1), hgAnnotateRevIndex, fa.lineRevisions[i]);
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89 }
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90 }
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91
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92 private static String[] splitLines(CharSequence seq) {
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93 int lineCount = 0;
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94 for (int i = 0, x = seq.length(); i < x; i++) {
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95 if (seq.charAt(i) == '\n') {
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96 lineCount++;
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97 }
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98 }
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99 if (seq.length() > 0 && seq.charAt(seq.length()-1) != '\n') {
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100 lineCount++;
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101 }
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102 String[] rv = new String[lineCount];
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103 int lineStart = 0, lineEnd = 0, ix = 0;
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104 do {
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105 while (lineEnd < seq.length() && seq.charAt(lineEnd) != '\n') lineEnd++;
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106 if (lineEnd == lineStart) {
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107 continue;
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108 }
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109 CharSequence line = seq.subSequence(lineStart, lineEnd);
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110 rv[ix++] = line.toString();
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111 lineStart = ++lineEnd;
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112 } while (lineStart < seq.length());
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113 assert ix == lineCount;
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114 return rv;
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115 }
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116
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117 private void leftovers() throws Exception {
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118 HgRepository repo = new HgLookup().detectFromWorkingDir();
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119 final String fname = "src/org/tmatesoft/hg/internal/PatchGenerator.java";
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120 final int checkChangeset = 539;
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121 HgDataFile df = repo.getFileNode(fname);
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122 AnnotateFacility af = new AnnotateFacility();
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123 System.out.println("536 -> 539");
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124 af.annotateChange(df, checkChangeset, new DiffOutInspector(System.out));
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125 System.out.println("531 -> 536");
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126 af.annotateChange(df, 536, new DiffOutInspector(System.out));
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127 System.out.println(" -1 -> 531");
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128 af.annotateChange(df, 531, new DiffOutInspector(System.out));
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129
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130 IntMap<String> linesOld = new IntMap<String>(100), linesNew = new IntMap<String>(100);
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131 System.out.println("Changes to old revision:");
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132 for (int i = linesOld.firstKey(), x = linesOld.lastKey(); i < x; i++) {
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133 if (linesOld.containsKey(i)) {
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134 System.out.println(linesOld.get(i));
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135 }
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136 }
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137
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138 System.out.println("Changes in the new revision:");
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139 for (int i = linesNew.firstKey(), x = linesNew.lastKey(); i < x; i++) {
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140 if (linesNew.containsKey(i)) {
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141 System.out.println(linesNew.get(i));
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142 }
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143 }
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144 }
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145
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146 public static void main(String[] args) throws Exception {
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147 // System.out.println(Arrays.equals(new String[0], splitLines("")));
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148 // System.out.println(Arrays.equals(new String[] { "abc" }, splitLines("abc")));
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149 // System.out.println(Arrays.equals(new String[] { "a", "bc" }, splitLines("a\nbc")));
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150 // System.out.println(Arrays.equals(new String[] { "a", "bc" }, splitLines("a\nbc\n")));
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151 new TestBlame().testFileAnnotate();
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152 }
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153
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154 static class DiffOutInspector implements AnnotateFacility.BlockInspector {
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155 private final PrintStream out;
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156
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157 DiffOutInspector(PrintStream ps) {
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158 out = ps;
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159 }
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160
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161 public void same(EqualBlock block) {
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162 // nothing
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163 }
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164
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165 public void deleted(DeleteBlock block) {
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166 out.printf("@@ -%d,%d +%d,0 @@\n", block.firstRemovedLine() + 1, block.totalRemovedLines(), block.removedAt());
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167 // String[] lines = block.removedLines();
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168 // assert lines.length == block.totalRemovedLines();
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169 // for (int i = 0, ln = block.firstRemovedLine(); i < lines.length; i++, ln++) {
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170 // linesOld.put(ln, String.format("%3d:---:%s", ln, lines[i]));
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171 // }
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172 }
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173
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174 public void changed(ChangeBlock block) {
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175 // deleted(block);
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176 // added(block);
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177 out.printf("@@ -%d,%d +%d,%d @@\n", block.firstRemovedLine() + 1, block.totalRemovedLines(), block.firstAddedLine() + 1, block.totalAddedLines());
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178 }
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179
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180 public void added(AddBlock block) {
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181 out.printf("@@ -%d,0 +%d,%d @@\n", block.insertedAt(), block.firstAddedLine() + 1, block.totalAddedLines());
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182 // String[] addedLines = block.addedLines();
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183 // assert addedLines.length == block.totalAddedLines();
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184 // for (int i = 0, ln = block.firstAddedLine(), x = addedLines.length; i < x; i++, ln++) {
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185 // linesNew.put(ln, String.format("%3d:+++:%s", ln, addedLines[i]));
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186 // }
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187 }
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188 }
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189
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190 public static class LineGrepOutputParser implements OutputParser {
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191
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192 private final Pattern pattern;
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193 private final StringBuilder result = new StringBuilder();
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194
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195 public LineGrepOutputParser(String regexp) {
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196 pattern = Pattern.compile(regexp);
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197 }
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198
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199 public CharSequence result() {
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200 return result;
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201 }
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202
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203 public void parse(CharSequence seq) {
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204 int lineStart = 0, lineEnd = 0;
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205 do {
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206 while (lineEnd < seq.length() && seq.charAt(lineEnd) != '\n') lineEnd++;
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207 if (lineEnd == lineStart) {
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208 continue;
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209 }
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210 CharSequence line = seq.subSequence(lineStart, lineEnd);
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211 if (pattern.matcher(line).matches()) {
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212 result.append(line);
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213 result.append('\n');
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214 }
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215 lineStart = ++lineEnd;
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216 } while (lineStart < seq.length());
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217 }
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218 }
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219
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220 private static class FileAnnotateInspector implements AnnotateFacility.LineInspector {
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221 private int[] lineRevisions;
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222
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223 FileAnnotateInspector() {
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224 }
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225
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226 public void line(int lineNumber, int changesetRevIndex, LineDescriptor ld) {
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227 if (lineRevisions == null) {
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228 lineRevisions = new int [ld.totalLines()];
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parents: 544
diff changeset
229 Arrays.fill(lineRevisions, NO_REVISION);
15b406c7cd9d First round of annotate file is functional
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 544
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230 }
546
cd78e8b9d7bc File annotate test. Refactored FileAnnotation as standalone class, introduced LineInspector to make line offset calc code shared
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 545
diff changeset
231 lineRevisions[lineNumber] = changesetRevIndex;
545
15b406c7cd9d First round of annotate file is functional
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 544
diff changeset
232 }
15b406c7cd9d First round of annotate file is functional
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 544
diff changeset
233 }
546
cd78e8b9d7bc File annotate test. Refactored FileAnnotation as standalone class, introduced LineInspector to make line offset calc code shared
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 545
diff changeset
234
542
a71a05ec11bc Towards annotate/blame support: general outline of the functionality
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
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235 }