Mercurial > hg4j
annotate test/org/tmatesoft/hg/test/TestBlame.java @ 548:ab21ac7dd833
Line-by-line annotation API and support code in place
author | Artem Tikhomirov <tikhomirov.artem@gmail.com> |
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date | Mon, 18 Feb 2013 19:58:51 +0100 |
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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.regex.Pattern; |
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28 |
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29 import org.junit.Assert; |
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30 import org.junit.Test; |
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31 import org.tmatesoft.hg.internal.AnnotateFacility; |
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32 import org.tmatesoft.hg.internal.AnnotateFacility.AddBlock; |
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33 import org.tmatesoft.hg.internal.AnnotateFacility.ChangeBlock; |
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34 import org.tmatesoft.hg.internal.AnnotateFacility.DeleteBlock; |
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35 import org.tmatesoft.hg.internal.AnnotateFacility.EqualBlock; |
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36 import org.tmatesoft.hg.internal.AnnotateFacility.LineDescriptor; |
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37 import org.tmatesoft.hg.internal.IntMap; |
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38 import org.tmatesoft.hg.repo.HgDataFile; |
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39 import org.tmatesoft.hg.repo.HgLookup; |
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40 import org.tmatesoft.hg.repo.HgRepository; |
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41 |
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42 /** |
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43 * |
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44 * @author Artem Tikhomirov |
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45 * @author TMate Software Ltd. |
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46 */ |
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47 public class TestBlame { |
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48 |
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49 |
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50 @Test |
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51 public void testSingleParentBlame() throws Exception { |
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52 HgRepository repo = new HgLookup().detectFromWorkingDir(); |
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53 final String fname = "src/org/tmatesoft/hg/internal/PatchGenerator.java"; |
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54 final int checkChangeset = 539; |
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55 HgDataFile df = repo.getFileNode(fname); |
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56 ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
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57 new AnnotateFacility().annotateChange(df, checkChangeset, new DiffOutInspector(new PrintStream(bos))); |
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58 LineGrepOutputParser gp = new LineGrepOutputParser("^@@.+"); |
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59 ExecHelper eh = new ExecHelper(gp, null); |
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60 eh.run("hg", "diff", "-c", String.valueOf(checkChangeset), "-U", "0", fname); |
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61 // |
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62 String[] apiResult = splitLines(bos.toString()); |
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63 String[] expected = splitLines(gp.result()); |
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64 Assert.assertArrayEquals(expected, apiResult); |
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65 } |
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66 |
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67 @Test |
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68 public void testFileAnnotate() throws Exception { |
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69 HgRepository repo = new HgLookup().detectFromWorkingDir(); |
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70 final String fname = "src/org/tmatesoft/hg/internal/PatchGenerator.java"; |
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71 HgDataFile df = repo.getFileNode(fname); |
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72 OutputParser.Stub op = new OutputParser.Stub(); |
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73 ExecHelper eh = new ExecHelper(op, null); |
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74 |
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75 for (int startChangeset : new int[] { 539, 541/*, TIP */}) { |
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76 FileAnnotateInspector fa = new FileAnnotateInspector(); |
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77 new AnnotateFacility().annotate(df, startChangeset, fa); |
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78 |
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79 |
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80 op.reset(); |
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81 eh.run("hg", "annotate", "-r", startChangeset == TIP ? "tip" : String.valueOf(startChangeset), fname); |
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82 |
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83 String[] hgAnnotateLines = splitLines(op.result()); |
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84 assertTrue("[sanity]", hgAnnotateLines.length > 0); |
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85 assertEquals("Number of lines reported by native annotate and our impl", hgAnnotateLines.length, fa.lineRevisions.length); |
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86 |
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87 for (int i = 0; i < fa.lineRevisions.length; i++) { |
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88 int hgAnnotateRevIndex = Integer.parseInt(hgAnnotateLines[i].substring(0, hgAnnotateLines[i].indexOf(':'))); |
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89 assertEquals(String.format("Revision mismatch for line %d", i+1), hgAnnotateRevIndex, fa.lineRevisions[i]); |
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90 } |
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91 } |
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92 } |
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93 |
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94 private static String[] splitLines(CharSequence seq) { |
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95 int lineCount = 0; |
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96 for (int i = 0, x = seq.length(); i < x; i++) { |
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97 if (seq.charAt(i) == '\n') { |
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98 lineCount++; |
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99 } |
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100 } |
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101 if (seq.length() > 0 && seq.charAt(seq.length()-1) != '\n') { |
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102 lineCount++; |
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103 } |
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104 String[] rv = new String[lineCount]; |
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105 int lineStart = 0, lineEnd = 0, ix = 0; |
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106 do { |
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107 while (lineEnd < seq.length() && seq.charAt(lineEnd) != '\n') lineEnd++; |
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108 if (lineEnd == lineStart) { |
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109 continue; |
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110 } |
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111 CharSequence line = seq.subSequence(lineStart, lineEnd); |
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112 rv[ix++] = line.toString(); |
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113 lineStart = ++lineEnd; |
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114 } while (lineStart < seq.length()); |
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115 assert ix == lineCount; |
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116 return rv; |
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117 } |
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118 |
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119 private void leftovers() throws Exception { |
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120 HgRepository repo = new HgLookup().detectFromWorkingDir(); |
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121 final String fname = "src/org/tmatesoft/hg/internal/PatchGenerator.java"; |
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122 final int checkChangeset = 539; |
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123 HgDataFile df = repo.getFileNode(fname); |
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124 AnnotateFacility af = new AnnotateFacility(); |
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125 System.out.println("536 -> 539"); |
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126 af.annotateChange(df, checkChangeset, new DiffOutInspector(System.out)); |
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127 System.out.println("531 -> 536"); |
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128 af.annotateChange(df, 536, new DiffOutInspector(System.out)); |
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129 System.out.println(" -1 -> 531"); |
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130 af.annotateChange(df, 531, new DiffOutInspector(System.out)); |
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131 |
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132 IntMap<String> linesOld = new IntMap<String>(100), linesNew = new IntMap<String>(100); |
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133 System.out.println("Changes to old revision:"); |
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134 for (int i = linesOld.firstKey(), x = linesOld.lastKey(); i < x; i++) { |
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135 if (linesOld.containsKey(i)) { |
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136 System.out.println(linesOld.get(i)); |
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137 } |
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138 } |
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139 |
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140 System.out.println("Changes in the new revision:"); |
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141 for (int i = linesNew.firstKey(), x = linesNew.lastKey(); i < x; i++) { |
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142 if (linesNew.containsKey(i)) { |
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143 System.out.println(linesNew.get(i)); |
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144 } |
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145 } |
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146 } |
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147 |
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148 public static void main(String[] args) throws Exception { |
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149 // System.out.println(Arrays.equals(new String[0], splitLines(""))); |
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150 // System.out.println(Arrays.equals(new String[] { "abc" }, splitLines("abc"))); |
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151 // System.out.println(Arrays.equals(new String[] { "a", "bc" }, splitLines("a\nbc"))); |
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152 // System.out.println(Arrays.equals(new String[] { "a", "bc" }, splitLines("a\nbc\n"))); |
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153 new TestBlame().testFileAnnotate(); |
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154 } |
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155 |
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156 static class DiffOutInspector implements AnnotateFacility.BlockInspector { |
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157 private final PrintStream out; |
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158 |
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159 DiffOutInspector(PrintStream ps) { |
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160 out = ps; |
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161 } |
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162 |
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163 public void same(EqualBlock block) { |
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164 // nothing |
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165 } |
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166 |
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167 public void deleted(DeleteBlock block) { |
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168 out.printf("@@ -%d,%d +%d,0 @@\n", block.firstRemovedLine() + 1, block.totalRemovedLines(), block.removedAt()); |
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169 // String[] lines = block.removedLines(); |
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170 // assert lines.length == block.totalRemovedLines(); |
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171 // for (int i = 0, ln = block.firstRemovedLine(); i < lines.length; i++, ln++) { |
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172 // linesOld.put(ln, String.format("%3d:---:%s", ln, lines[i])); |
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173 // } |
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174 } |
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175 |
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176 public void changed(ChangeBlock block) { |
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177 // deleted(block); |
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178 // added(block); |
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179 out.printf("@@ -%d,%d +%d,%d @@\n", block.firstRemovedLine() + 1, block.totalRemovedLines(), block.firstAddedLine() + 1, block.totalAddedLines()); |
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180 } |
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181 |
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182 public void added(AddBlock block) { |
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183 out.printf("@@ -%d,0 +%d,%d @@\n", block.insertedAt(), block.firstAddedLine() + 1, block.totalAddedLines()); |
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184 // String[] addedLines = block.addedLines(); |
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185 // assert addedLines.length == block.totalAddedLines(); |
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186 // for (int i = 0, ln = block.firstAddedLine(), x = addedLines.length; i < x; i++, ln++) { |
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187 // linesNew.put(ln, String.format("%3d:+++:%s", ln, addedLines[i])); |
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188 // } |
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189 } |
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190 } |
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191 |
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192 public static class LineGrepOutputParser implements OutputParser { |
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193 |
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194 private final Pattern pattern; |
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195 private final StringBuilder result = new StringBuilder(); |
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196 |
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197 public LineGrepOutputParser(String regexp) { |
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198 pattern = Pattern.compile(regexp); |
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199 } |
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200 |
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201 public CharSequence result() { |
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202 return result; |
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203 } |
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204 |
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205 public void parse(CharSequence seq) { |
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206 int lineStart = 0, lineEnd = 0; |
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207 do { |
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208 while (lineEnd < seq.length() && seq.charAt(lineEnd) != '\n') lineEnd++; |
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209 if (lineEnd == lineStart) { |
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210 continue; |
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211 } |
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212 CharSequence line = seq.subSequence(lineStart, lineEnd); |
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213 if (pattern.matcher(line).matches()) { |
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214 result.append(line); |
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215 result.append('\n'); |
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216 } |
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217 lineStart = ++lineEnd; |
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218 } while (lineStart < seq.length()); |
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219 } |
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220 } |
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221 |
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222 private static class FileAnnotateInspector implements AnnotateFacility.LineInspector { |
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223 private int[] lineRevisions; |
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224 |
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225 FileAnnotateInspector() { |
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226 } |
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227 |
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228 public void line(int lineNumber, int changesetRevIndex, LineDescriptor ld) { |
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229 if (lineRevisions == null) { |
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230 lineRevisions = new int [ld.totalLines()]; |
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231 Arrays.fill(lineRevisions, NO_REVISION); |
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232 } |
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233 lineRevisions[lineNumber] = changesetRevIndex; |
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234 } |
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235 } |
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236 |
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237 } |