Mercurial > jhg

annotate src/org/tmatesoft/hg/repo/HgWorkingCopyStatusCollector.java @ 450:03fd8d079e9c smartgit3

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Share PhasesHelper instance among few HgChangesets (mostly affects HgChangesetTreeHandler case)
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Thu, 07 Jun 2012 17:06:23 +0200
parents 5e95b0da26f2
children 866fc3b597a0
rev   line source
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1 /*
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2 * Copyright (c) 2011-2012 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.repo;
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18
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19 import static java.lang.Math.max;
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20 import static java.lang.Math.min;
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21 import static org.tmatesoft.hg.repo.HgRepository.*;
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23 import java.io.File;
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24 import java.io.IOException;
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25 import java.nio.ByteBuffer;
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26 import java.nio.channels.ReadableByteChannel;
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27 import java.util.ArrayList;
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28 import java.util.Collections;
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29 import java.util.NoSuchElementException;
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30 import java.util.Set;
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31 import java.util.TreeSet;
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32
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33 import org.tmatesoft.hg.core.HgException;
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34 import org.tmatesoft.hg.core.HgInvalidControlFileException;
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35 import org.tmatesoft.hg.core.HgInvalidFileException;
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36 import org.tmatesoft.hg.core.Nodeid;
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37 import org.tmatesoft.hg.internal.ByteArrayChannel;
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38 import org.tmatesoft.hg.internal.Experimental;
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39 import org.tmatesoft.hg.internal.FilterByteChannel;
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40 import org.tmatesoft.hg.internal.ManifestRevision;
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41 import org.tmatesoft.hg.internal.PathScope;
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42 import org.tmatesoft.hg.internal.Preview;
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43 import org.tmatesoft.hg.util.Adaptable;
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44 import org.tmatesoft.hg.util.ByteChannel;
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45 import org.tmatesoft.hg.util.CancelledException;
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46 import org.tmatesoft.hg.util.FileInfo;
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47 import org.tmatesoft.hg.util.FileIterator;
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48 import org.tmatesoft.hg.util.FileWalker;
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49 import org.tmatesoft.hg.util.Path;
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50 import org.tmatesoft.hg.util.PathPool;
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51 import org.tmatesoft.hg.util.PathRewrite;
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52 import org.tmatesoft.hg.util.RegularFileInfo;
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54 /**
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55 *
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56 * @author Artem Tikhomirov
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57 * @author TMate Software Ltd.
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58 */
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59 public class HgWorkingCopyStatusCollector {
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61 private final HgRepository repo;
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62 private final FileIterator repoWalker;
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63 private HgDirstate dirstate;
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64 private HgStatusCollector baseRevisionCollector;
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65 private PathPool pathPool;
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66 private ManifestRevision dirstateParentManifest;
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68 /**
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69 * Collector that iterates over complete working copy
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70 */
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71 public HgWorkingCopyStatusCollector(HgRepository hgRepo) {
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72 this(hgRepo, new HgInternals(hgRepo).createWorkingDirWalker(null));
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73 }
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75 /**
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76 * Collector may analyze and report status for any arbitrary sub-tree of the working copy.
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77 * File iterator shall return names of the files relative to the repository root.
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78 *
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79 * @param hgRepo status target repository
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80 * @param workingCopyWalker iterator over files in the working copy
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81 */
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82 public HgWorkingCopyStatusCollector(HgRepository hgRepo, FileIterator workingCopyWalker) {
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83 repo = hgRepo;
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84 repoWalker = workingCopyWalker;
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85 }
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87 /**
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88 * Optionally, supply a collector instance that may cache (or have already cached) base revision
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89 * @param sc may be null
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90 */
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91 public void setBaseRevisionCollector(HgStatusCollector sc) {
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92 baseRevisionCollector = sc;
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93 }
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95 /*package-local*/ PathPool getPathPool() {
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96 if (pathPool == null) {
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97 if (baseRevisionCollector == null) {
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98 pathPool = new PathPool(new PathRewrite.Empty());
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99 } else {
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100 return baseRevisionCollector.getPathPool();
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101 }
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102 }
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103 return pathPool;
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104 }
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105
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106 public void setPathPool(PathPool pathPool) {
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107 this.pathPool = pathPool;
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108 }
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109
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110 /**
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111 * Access to directory state information this collector uses.
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112 * @return directory state holder, never <code>null</code>
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113 */
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114 public HgDirstate getDirstate() throws HgInvalidControlFileException {
59
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115 if (dirstate == null) {
284
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116 dirstate = repo.loadDirstate(getPathPool());
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117 }
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118 return dirstate;
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119 }
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120
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121 private HgDirstate getDirstateImpl() {
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122 return dirstate;
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123 }
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124
366
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125 private ManifestRevision getManifest(int changelogLocalRev) throws HgInvalidControlFileException {
284
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126 assert changelogLocalRev >= 0;
282
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127 ManifestRevision mr;
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128 if (baseRevisionCollector != null) {
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129 mr = baseRevisionCollector.raw(changelogLocalRev);
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130 } else {
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131 mr = new ManifestRevision(null, null);
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132 repo.getManifest().walk(changelogLocalRev, changelogLocalRev, mr);
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133 }
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134 return mr;
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135 }
354
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136
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137 private void initDirstateParentManifest() throws HgInvalidControlFileException {
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138 Nodeid dirstateParent = getDirstateImpl().parents().first();
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139 if (dirstateParent.isNull()) {
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140 dirstateParentManifest = baseRevisionCollector != null ? baseRevisionCollector.raw(-1) : HgStatusCollector.createEmptyManifestRevision();
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141 } else {
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142 int changeloRevIndex = repo.getChangelog().getRevisionIndex(dirstateParent);
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143 dirstateParentManifest = getManifest(changeloRevIndex);
354
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144 }
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145 }
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146
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147 // WC not necessarily points to TIP, but may be result of update to any previous revision.
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148 // In such case, we need to compare local files not to their TIP content, but to specific version at the time of selected revision
282
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149 private ManifestRevision getDirstateParentManifest() {
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150 return dirstateParentManifest;
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151 }
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152
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153 // may be invoked few times, TIP or WORKING_COPY indicate comparison shall be run against working copy parent
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154 // NOTE, use of TIP constant requires certain care. TIP here doesn't mean latest cset, but actual working copy parent.
362
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155 public void walk(int baseRevision, HgStatusInspector inspector) throws HgInvalidControlFileException, IOException {
367
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156 if (HgInternals.wrongRevisionIndex(baseRevision) || baseRevision == BAD_REVISION) {
218
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157 throw new IllegalArgumentException(String.valueOf(baseRevision));
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158 }
362
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159 if (getDirstateImpl() == null) {
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160 getDirstate();
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161 }
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162 if (getDirstateParentManifest() == null) {
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163 initDirstateParentManifest();
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164 }
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165 ManifestRevision collect = null; // non null indicates we compare against base revision
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166 Set<Path> baseRevFiles = Collections.emptySet(); // files from base revision not affected by status calculation
282
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167 if (baseRevision != TIP && baseRevision != WORKING_COPY) {
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168 collect = getManifest(baseRevision);
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169 baseRevFiles = new TreeSet<Path>(collect.files());
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170 }
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171 if (inspector instanceof HgStatusCollector.Record) {
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172 HgStatusCollector sc = baseRevisionCollector == null ? new HgStatusCollector(repo) : baseRevisionCollector;
282
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173 // nodeidAfterChange(dirstate's parent) doesn't make too much sense,
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174 // because the change might be actually in working copy. Nevertheless,
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175 // as long as no nodeids can be provided for WC, seems reasonable to report
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176 // latest known nodeid change (although at the moment this is not used and
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177 // is done mostly not to leave stale initialization in the Record)
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178 int rev1,rev2 = getDirstateParentManifest().changesetLocalRev();
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179 if (baseRevision == TIP || baseRevision == WORKING_COPY) {
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180 rev1 = rev2 - 1; // just use revision prior to dirstate's parent
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181 } else {
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182 rev1 = baseRevision;
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183 }
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184 ((HgStatusCollector.Record) inspector).init(rev1, rev2, sc);
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185 }
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186 final HgIgnore hgIgnore = repo.getIgnore();
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187 repoWalker.reset();
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188 TreeSet<Path> processed = new TreeSet<Path>(); // names of files we handled as they known to Dirstate (not FileIterator)
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189 final HgDirstate ds = getDirstateImpl();
293
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190 TreeSet<Path> knownEntries = ds.all(); // here just to get dirstate initialized
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191 while (repoWalker.hasNext()) {
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192 repoWalker.next();
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193 final Path fname = getPathPool().path(repoWalker.name());
287
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194 FileInfo f = repoWalker.file();
293
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195 Path knownInDirstate;
226
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196 if (!f.exists()) {
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197 // file coming from iterator doesn't exist.
293
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198 if ((knownInDirstate = ds.known(fname)) != null) {
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199 // found in dirstate
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200 processed.add(knownInDirstate);
294
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201 if (ds.checkRemoved(knownInDirstate) == null) {
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202 inspector.missing(knownInDirstate);
226
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203 } else {
294
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204 inspector.removed(knownInDirstate);
226
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205 }
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206 // do not report it as removed later
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207 if (collect != null) {
294
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208 baseRevFiles.remove(knownInDirstate);
226
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209 }
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210 } else {
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211 // chances are it was known in baseRevision. We may rely
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212 // that later iteration over baseRevFiles leftovers would yield correct Removed,
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213 // but it doesn't hurt to be explicit (provided we know fname *is* inScope of the FileIterator
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214 if (collect != null && baseRevFiles.remove(fname)) {
226
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215 inspector.removed(fname);
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216 } else {
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217 // not sure I shall report such files (i.e. arbitrary name coming from FileIterator)
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218 // as unknown. Command-line HG aborts "system can't find the file specified"
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219 // in similar case (against wc), or just gives nothing if --change <rev> is specified.
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220 // however, as it's unlikely to get unexisting files from FileIterator, and
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221 // its better to see erroneous file status rather than not to see any (which is too easy
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222 // to overlook), I think unknown() is reasonable approach here
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223 inspector.unknown(fname);
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224 }
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225 }
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226 continue;
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227 }
293
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228 if ((knownInDirstate = ds.known(fname)) != null) {
226
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229 // tracked file.
58
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230 // modified, added, removed, clean
293
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diff changeset
231 processed.add(knownInDirstate);
58
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232 if (collect != null) { // need to check against base revision, not FS file
294
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233 checkLocalStatusAgainstBaseRevision(baseRevFiles, collect, baseRevision, knownInDirstate, f, inspector);
58
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234 } else {
294
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235 checkLocalStatusAgainstFile(knownInDirstate, f, inspector);
58
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236 }
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237 } else {
226
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238 if (hgIgnore.isIgnored(fname)) { // hgignore shall be consulted only for non-tracked files
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239 inspector.ignored(fname);
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240 } else {
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241 inspector.unknown(fname);
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242 }
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243 // the file is not tracked. Even if it's known at baseRevision, we don't need to remove it
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244 // from baseRevFiles, it might need to be reported as removed as well (cmdline client does
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245 // yield two statuses for the same file)
58
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246 }
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247 }
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248 if (collect != null) {
285
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249 for (Path fromBase : baseRevFiles) {
226
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250 if (repoWalker.inScope(fromBase)) {
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251 inspector.removed(fromBase);
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252 }
58
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253 }
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254 }
293
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255 knownEntries.removeAll(processed);
284
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256 for (Path m : knownEntries) {
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257 if (!repoWalker.inScope(m)) {
226
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258 // do not report as missing/removed those FileIterator doesn't care about.
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259 continue;
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260 }
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261 // missing known file from a working dir
293
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262 if (ds.checkRemoved(m) == null) {
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263 // not removed from the repository = 'deleted'
284
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264 inspector.missing(m);
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265 } else {
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266 // removed from the repo
76
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267 // if we check against non-tip revision, do not report files that were added past that revision and now removed.
285
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268 if (collect == null || baseRevFiles.contains(m)) {
284
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269 inspector.removed(m);
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270 }
58
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271 }
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272 }
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273 }
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274
362
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275 public HgStatusCollector.Record status(int baseRevision) throws HgInvalidControlFileException, IOException {
94
af1f3b78b918 *StatusCollector renamed to Hg*StatusCollector
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276 HgStatusCollector.Record rv = new HgStatusCollector.Record();
58
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277 walk(baseRevision, rv);
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278 return rv;
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279 }
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280
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281 //********************************************
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282
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283
287
ed6b74a58c66 Use FileInfo abstraction with necessary subset of File functionality instead of File to facilitate other effective file system iterators
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diff changeset
284 private void checkLocalStatusAgainstFile(Path fname, FileInfo f, HgStatusInspector inspector) {
58
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285 HgDirstate.Record r;
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diff changeset
286 if ((r = getDirstateImpl().checkNormal(fname)) != null) {
58
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287 // either clean or modified
290
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diff changeset
288 final boolean timestampEqual = f.lastModified() == r.modificationTime(), sizeEqual = r.size() == f.length();
280
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289 if (timestampEqual && sizeEqual) {
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diff changeset
290 inspector.clean(fname);
290
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diff changeset
291 } else if (!sizeEqual && r.size() >= 0) {
280
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diff changeset
292 inspector.modified(fname);
58
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293 } else {
397
5e95b0da26f2 Issue 24: IAE, Underflow in FilterDataAccess. Issue 26:UnsupportedOperationException when patching empty base revision. Tests
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diff changeset
294 try {
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295 // size is the same or unknown, and, perhaps, different timestamp
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diff changeset
296 // check actual content to avoid false modified files
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diff changeset
297 HgDataFile df = repo.getFileNode(fname);
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diff changeset
298 if (!df.exists()) {
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diff changeset
299 String msg = String.format("File %s known as normal in dirstate (%d, %d), doesn't exist at %s", fname, r.modificationTime(), r.size(), repo.getStoragePath(df));
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diff changeset
300 throw new HgInvalidFileException(msg, null).setFileName(fname);
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diff changeset
301 }
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diff changeset
302 Nodeid rev = getDirstateParentManifest().nodeid(fname);
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diff changeset
303 // rev might be null here if fname comes to dirstate as a result of a merge operation
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diff changeset
304 // where one of the parents (first parent) had no fname file, but second parent had.
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diff changeset
305 // E.g. fork revision 3, revision 4 gets .hgtags, few modifications and merge(3,12)
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diff changeset
306 // see Issue 14 for details
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diff changeset
307 if (rev == null || !areTheSame(f, df, rev)) {
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diff changeset
308 inspector.modified(df.getPath());
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diff changeset
309 } else {
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diff changeset
310 inspector.clean(df.getPath());
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diff changeset
311 }
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diff changeset
312 } catch (HgException ex) {
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diff changeset
313 repo.getContext().getLog().warn(getClass(), ex, null);
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diff changeset
314 inspector.invalid(fname, ex);
120
b19f0ac5ee62 Check against working copy shall expect non-persistent modifications done by filters and not report such files as modified
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diff changeset
315 }
58
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316 }
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diff changeset
317 } else if ((r = getDirstateImpl().checkAdded(fname)) != null) {
290
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diff changeset
318 if (r.copySource() == null) {
280
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diff changeset
319 inspector.added(fname);
58
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320 } else {
290
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diff changeset
321 inspector.copied(r.copySource(), fname);
58
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322 }
348
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diff changeset
323 } else if ((r = getDirstateImpl().checkRemoved(fname)) != null) {
280
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324 inspector.removed(fname);
348
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325 } else if ((r = getDirstateImpl().checkMerged(fname)) != null) {
280
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326 inspector.modified(fname);
58
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327 }
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328 }
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329
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330 // XXX refactor checkLocalStatus methods in more OO way
287
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331 private void checkLocalStatusAgainstBaseRevision(Set<Path> baseRevNames, ManifestRevision collect, int baseRevision, Path fname, FileInfo f, HgStatusInspector inspector) {
58
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332 // fname is in the dirstate, either Normal, Added, Removed or Merged
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333 Nodeid nid1 = collect.nodeid(fname);
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334 HgManifest.Flags flags = collect.flags(fname);
58
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335 HgDirstate.Record r;
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336 if (nid1 == null) {
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337 // normal: added?
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338 // added: not known at the time of baseRevision, shall report
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339 // merged: was not known, report as added?
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340 if ((r = getDirstateImpl().checkNormal(fname)) != null) {
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341 try {
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342 Path origin = HgStatusCollector.getOriginIfCopy(repo, fname, baseRevNames, baseRevision);
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343 if (origin != null) {
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344 inspector.copied(getPathPool().path(origin), fname);
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345 return;
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346 }
354
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347 } catch (HgException ex) {
360
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348 // report failure and continue status collection
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349 inspector.invalid(fname, ex);
90
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350 }
348
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351 } else if ((r = getDirstateImpl().checkAdded(fname)) != null) {
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352 if (r.copySource() != null && baseRevNames.contains(r.copySource())) {
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353 baseRevNames.remove(r.copySource()); // XXX surely I shall not report rename source as Removed?
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354 inspector.copied(r.copySource(), fname);
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355 return;
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356 }
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357 // fall-through, report as added
348
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358 } else if (getDirstateImpl().checkRemoved(fname) != null) {
58
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359 // removed: removed file was not known at the time of baseRevision, and we should not report it as removed
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360 return;
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361 }
226
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362 inspector.added(fname);
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363 } else {
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364 // was known; check whether clean or modified
285
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365 Nodeid nidFromDirstate = getDirstateParentManifest().nodeid(fname);
348
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366 if ((r = getDirstateImpl().checkNormal(fname)) != null && nid1.equals(nidFromDirstate)) {
282
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367 // regular file, was the same up to WC initialization. Check if was modified since, and, if not, report right away
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368 // same code as in #checkLocalStatusAgainstFile
290
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369 final boolean timestampEqual = f.lastModified() == r.modificationTime(), sizeEqual = r.size() == f.length();
282
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370 boolean handled = false;
280
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371 if (timestampEqual && sizeEqual) {
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372 inspector.clean(fname);
282
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373 handled = true;
290
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374 } else if (!sizeEqual && r.size() >= 0) {
280
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375 inspector.modified(fname);
282
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376 handled = true;
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377 } else if (!todoCheckFlagsEqual(f, flags)) {
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378 // seems like flags have changed, no reason to check content further
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379 inspector.modified(fname);
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380 handled = true;
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381 }
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diff changeset
382 if (handled) {
285
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383 baseRevNames.remove(fname); // consumed, processed, handled.
280
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384 return;
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385 }
282
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386 // otherwise, shall check actual content (size not the same, or unknown (-1 or -2), or timestamp is different,
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387 // or nodeid in dirstate is different, but local change might have brought it back to baseRevision state)
280
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388 // FALL THROUGH
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389 }
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diff changeset
390 if (r != null || (r = getDirstateImpl().checkMerged(fname)) != null || (r = getDirstateImpl().checkAdded(fname)) != null) {
397
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diff changeset
391 try {
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392 // check actual content to see actual changes
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393 // when added - seems to be the case of a file added once again, hence need to check if content is different
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diff changeset
394 // either clean or modified
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diff changeset
395 HgDataFile fileNode = repo.getFileNode(fname);
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diff changeset
396 if (areTheSame(f, fileNode, nid1)) {
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diff changeset
397 inspector.clean(fname);
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398 } else {
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diff changeset
399 inspector.modified(fname);
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400 }
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401 } catch (HgException ex) {
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402 repo.getContext().getLog().warn(getClass(), ex, null);
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diff changeset
403 inspector.invalid(fname, ex);
58
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404 }
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405 baseRevNames.remove(fname); // consumed, processed, handled.
348
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406 } else if (getDirstateImpl().checkRemoved(fname) != null) {
226
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407 // was known, and now marked as removed, report it right away, do not rely on baseRevNames processing later
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diff changeset
408 inspector.removed(fname);
285
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diff changeset
409 baseRevNames.remove(fname); // consumed, processed, handled.
58
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410 }
226
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411 // only those left in baseRevNames after processing are reported as removed
58
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412 }
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diff changeset
413
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diff changeset
414 // TODO think over if content comparison may be done more effectively by e.g. calculating nodeid for a local file and comparing it with nodeid from manifest
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415 // we don't need to tell exact difference, hash should be enough to detect difference, and it doesn't involve reading historical file content, and it's relatively
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416 // cheap to calc hash on a file (no need to keep it completely in memory). OTOH, if I'm right that the next approach is used for nodeids:
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417 // changeset nodeid + hash(actual content) => entry (Nodeid) in the next Manifest
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418 // then it's sufficient to check parents from dirstate, and if they do not match parents from file's baseRevision (non matching parents means different nodeids).
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419 // The question is whether original Hg treats this case (same content, different parents and hence nodeids) as 'modified' or 'clean'
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420 }
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421
397
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diff changeset
422 private boolean areTheSame(FileInfo f, HgDataFile dataFile, Nodeid revision) throws HgException {
157
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diff changeset
423 // XXX consider adding HgDataDile.compare(File/byte[]/whatever) operation to optimize comparison
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
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parents: 148
diff changeset
424 ByteArrayChannel bac = new ByteArrayChannel();
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
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parents: 148
diff changeset
425 try {
367
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 366
diff changeset
426 int fileRevisionIndex = dataFile.getRevisionIndex(revision);
157
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
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parents: 148
diff changeset
427 // need content with metadata striped off - although theoretically chances are metadata may be different,
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
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parents: 148
diff changeset
428 // WC doesn't have it anyway
367
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API
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parents: 366
diff changeset
429 dataFile.content(fileRevisionIndex, bac);
157
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 148
diff changeset
430 } catch (CancelledException ex) {
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 148
diff changeset
431 // silently ignore - can't happen, ByteArrayChannel is not cancellable
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 148
diff changeset
432 }
397
5e95b0da26f2 Issue 24: IAE, Underflow in FilterDataAccess. Issue 26:UnsupportedOperationException when patching empty base revision. Tests
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 367
diff changeset
433 return areTheSame(f, bac.toArray(), dataFile.getPath());
157
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 148
diff changeset
434 }
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 148
diff changeset
435
397
5e95b0da26f2 Issue 24: IAE, Underflow in FilterDataAccess. Issue 26:UnsupportedOperationException when patching empty base revision. Tests
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 367
diff changeset
436 private boolean areTheSame(FileInfo f, final byte[] data, Path p) throws HgException {
287
ed6b74a58c66 Use FileInfo abstraction with necessary subset of File functionality instead of File to facilitate other effective file system iterators
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 285
diff changeset
437 ReadableByteChannel is = null;
295
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
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parents: 294
diff changeset
438 class Check implements ByteChannel {
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
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diff changeset
439 final boolean debug = repo.getContext().getLog().isDebug();
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parents: 294
diff changeset
440 boolean sameSoFar = true;
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
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parents: 294
diff changeset
441 int x = 0;
219
d63583b47bfa ArrayIndexOutOfBoundsException when file appended. Erroneous 'areTheSame' when trailing were deleted.
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 218
diff changeset
442
295
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diff changeset
443 public int write(ByteBuffer buffer) {
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parents: 294
diff changeset
444 for (int i = buffer.remaining(); i > 0; i--, x++) {
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 294
diff changeset
445 if (x >= data.length /*file has been appended*/ || data[x] != buffer.get()) {
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 294
diff changeset
446 if (debug) {
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
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parents: 294
diff changeset
447 byte[] xx = new byte[15];
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
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parents: 294
diff changeset
448 if (buffer.position() > 5) {
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 294
diff changeset
449 buffer.position(buffer.position() - 5);
117
6c0be854d149 Enable filters for status operation (ToRepo case)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
450 }
334
15e1961719f2 Investigate sporadic BufferUnderflowException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 323
diff changeset
451 buffer.get(xx, 0, min(xx.length, i-1 /*-1 for the one potentially read at buffer.get in if() */));
15e1961719f2 Investigate sporadic BufferUnderflowException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 323
diff changeset
452 String exp;
15e1961719f2 Investigate sporadic BufferUnderflowException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 323
diff changeset
453 if (x < data.length) {
15e1961719f2 Investigate sporadic BufferUnderflowException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 323
diff changeset
454 exp = new String(data, max(0, x - 4), min(data.length - x, 20));
15e1961719f2 Investigate sporadic BufferUnderflowException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 323
diff changeset
455 } else {
15e1961719f2 Investigate sporadic BufferUnderflowException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 323
diff changeset
456 int offset = max(0, x - 4);
15e1961719f2 Investigate sporadic BufferUnderflowException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 323
diff changeset
457 exp = new String(data, offset, min(data.length - offset, 20));
15e1961719f2 Investigate sporadic BufferUnderflowException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 323
diff changeset
458 }
15e1961719f2 Investigate sporadic BufferUnderflowException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 323
diff changeset
459 repo.getContext().getLog().debug(getClass(), "expected >>%s<< but got >>%s<<", exp, new String(xx));
117
6c0be854d149 Enable filters for status operation (ToRepo case)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
460 }
295
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 294
diff changeset
461 sameSoFar = false;
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 294
diff changeset
462 break;
219
d63583b47bfa ArrayIndexOutOfBoundsException when file appended. Erroneous 'areTheSame' when trailing were deleted.
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 218
diff changeset
463 }
117
6c0be854d149 Enable filters for status operation (ToRepo case)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
464 }
295
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
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diff changeset
465 buffer.position(buffer.limit()); // mark as read
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
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parents: 294
diff changeset
466 return buffer.limit();
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 294
diff changeset
467 }
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 294
diff changeset
468
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
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diff changeset
469 public boolean sameSoFar() {
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
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parents: 294
diff changeset
470 return sameSoFar;
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
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parents: 294
diff changeset
471 }
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
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diff changeset
472 public boolean ultimatelyTheSame() {
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
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parents: 294
diff changeset
473 return sameSoFar && x == data.length;
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
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parents: 294
diff changeset
474 }
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
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parents: 294
diff changeset
475 };
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
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diff changeset
476 Check check = new Check();
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
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parents: 294
diff changeset
477 try {
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
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parents: 294
diff changeset
478 is = f.newInputChannel();
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
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parents: 294
diff changeset
479 ByteBuffer fb = ByteBuffer.allocate(min(1 + data.length * 2 /*to fit couple of lines appended; never zero*/, 8192));
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
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parents: 294
diff changeset
480 FilterByteChannel filters = new FilterByteChannel(check, repo.getFiltersFromWorkingDirToRepo(p));
356
91d75e1bac9f Consistent approach to deal with adaptable objects. Give adaptable precedence over instanceof to allow conditional response when classes do implement desired interface
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 355
diff changeset
481 Preview preview = Adaptable.Factory.getAdapter(filters, Preview.class, null);
355
f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
482 if (preview != null) {
f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
483 while (is.read(fb) != -1) {
f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
484 fb.flip();
f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
485 preview.preview(fb);
f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
486 fb.clear();
f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
487 }
f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
488 // reset channel to read once again
f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
489 try {
f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
490 is.close();
f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
491 } catch (IOException ex) {
f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
492 repo.getContext().getLog().info(getClass(), ex, null);
f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
493 }
f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
494 is = f.newInputChannel();
f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
495 fb.clear();
f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
496 }
295
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
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parents: 294
diff changeset
497 while (is.read(fb) != -1 && check.sameSoFar()) {
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
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parents: 294
diff changeset
498 fb.flip();
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parents: 294
diff changeset
499 filters.write(fb);
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parents: 294
diff changeset
500 fb.compact();
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parents: 294
diff changeset
501 }
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
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diff changeset
502 return check.ultimatelyTheSame();
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parents: 294
diff changeset
503 } catch (CancelledException ex) {
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
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parents: 294
diff changeset
504 repo.getContext().getLog().warn(getClass(), ex, "Unexpected cancellation");
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parents: 294
diff changeset
505 return check.ultimatelyTheSame();
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parents: 294
diff changeset
506 } catch (IOException ex) {
397
5e95b0da26f2 Issue 24: IAE, Underflow in FilterDataAccess. Issue 26:UnsupportedOperationException when patching empty base revision. Tests
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 367
diff changeset
507 throw new HgInvalidFileException("File comparison failed", ex).setFileName(p);
295
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
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parents: 294
diff changeset
508 } finally {
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parents: 294
diff changeset
509 if (is != null) {
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 294
diff changeset
510 try {
287
ed6b74a58c66 Use FileInfo abstraction with necessary subset of File functionality instead of File to facilitate other effective file system iterators
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 285
diff changeset
511 is.close();
295
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
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parents: 294
diff changeset
512 } catch (IOException ex) {
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
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parents: 294
diff changeset
513 repo.getContext().getLog().info(getClass(), ex, null);
117
6c0be854d149 Enable filters for status operation (ToRepo case)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
514 }
6c0be854d149 Enable filters for status operation (ToRepo case)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
515 }
6c0be854d149 Enable filters for status operation (ToRepo case)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
516 }
6c0be854d149 Enable filters for status operation (ToRepo case)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
517 }
6c0be854d149 Enable filters for status operation (ToRepo case)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
518
287
ed6b74a58c66 Use FileInfo abstraction with necessary subset of File functionality instead of File to facilitate other effective file system iterators
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 285
diff changeset
519 private static boolean todoCheckFlagsEqual(FileInfo f, HgManifest.Flags originalManifestFlags) {
58
4cfc47bc14cc Status against local working dir extracted into distinct class. Iterating over local files extracted for ease of os-dependant patching
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
520 // FIXME implement
280
35125450c804 Erroneous and slow status for working copies based on non-tip revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
521 return true;
58
4cfc47bc14cc Status against local working dir extracted into distinct class. Iterating over local files extracted for ease of os-dependant patching
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
522 }
4cfc47bc14cc Status against local working dir extracted into distinct class. Iterating over local files extracted for ease of os-dependant patching
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
523
229
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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parents: 226
diff changeset
524 /**
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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parents: 226
diff changeset
525 * Configure status collector to consider only subset of a working copy tree. Tries to be as effective as possible, and to
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 226
diff changeset
526 * traverse only relevant part of working copy on the filesystem.
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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parents: 226
diff changeset
527 *
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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parents: 226
diff changeset
528 * @param hgRepo repository
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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parents: 226
diff changeset
529 * @param paths repository-relative files and/or directories. Directories are processed recursively.
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parents: 226
diff changeset
530 *
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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parents: 226
diff changeset
531 * @return new instance of {@link HgWorkingCopyStatusCollector}, ready to {@link #walk(int, HgStatusInspector) walk} associated working copy
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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diff changeset
532 */
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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parents: 226
diff changeset
533 @Experimental(reason="Provisional API")
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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parents: 226
diff changeset
534 public static HgWorkingCopyStatusCollector create(HgRepository hgRepo, Path... paths) {
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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parents: 226
diff changeset
535 ArrayList<Path> f = new ArrayList<Path>(5);
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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parents: 226
diff changeset
536 ArrayList<Path> d = new ArrayList<Path>(5);
1ec6b327a6ac Scope for status reworked: explicit files or a general matcher
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diff changeset
537 for (Path p : paths) {
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538 if (p.isDirectory()) {
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539 d.add(p);
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540 } else {
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541 f.add(p);
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542 }
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543 }
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544 // final Path[] dirs = f.toArray(new Path[d.size()]);
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545 if (d.isEmpty()) {
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546 final Path[] files = f.toArray(new Path[f.size()]);
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547 FileIterator fi = new FileListIterator(hgRepo.getWorkingDir(), files);
229
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548 return new HgWorkingCopyStatusCollector(hgRepo, fi);
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549 }
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550 //
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551
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552 //FileIterator fi = file.isDirectory() ? new DirFileIterator(hgRepo, file) : new FileListIterator(, file);
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553 FileIterator fi = new HgInternals(hgRepo).createWorkingDirWalker(new PathScope(true, paths));
226
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554 return new HgWorkingCopyStatusCollector(hgRepo, fi);
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555 }
229
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556
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557 /**
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558 * Configure collector object to calculate status for matching files only.
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559 * This method may be less effective than explicit list of files as it iterates over whole repository
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560 * (thus supplied matcher doesn't need to care if directories to files in question are also in scope,
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561 * see {@link FileWalker#FileWalker(File, Path.Source, Path.Matcher)})
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562 *
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563 * @return new instance of {@link HgWorkingCopyStatusCollector}, ready to {@link #walk(int, HgStatusInspector) walk} associated working copy
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564 */
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565 @Experimental(reason="Provisional API. May add boolean strict argument for those who write smart matchers that can be used in FileWalker")
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566 public static HgWorkingCopyStatusCollector create(HgRepository hgRepo, Path.Matcher scope) {
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567 FileIterator w = new HgInternals(hgRepo).createWorkingDirWalker(null);
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568 FileIterator wf = (scope == null || scope instanceof Path.Matcher.Any) ? w : new FileIteratorFilter(w, scope);
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569 // the reason I need to iterate over full repo and apply filter is that I have no idea whatsoever about
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570 // patterns in the scope. I.e. if scope lists a file (PathGlobMatcher("a/b/c.txt")), FileWalker won't get deep
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571 // to the file unless matcher would also explicitly include "a/", "a/b/" in scope. Since I can't rely
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572 // users would write robust matchers, and I don't see a decent way to enforce that (i.e. factory to produce
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573 // correct matcher from Path is much like what PathScope does, and can be accessed directly with #create(repo, Path...)
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574 // method above/
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575 return new HgWorkingCopyStatusCollector(hgRepo, wf);
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576 }
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577
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578 private static class FileListIterator implements FileIterator {
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579 private final File dir;
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580 private final Path[] paths;
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581 private int index;
287
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582 private RegularFileInfo nextFile;
226
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583
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584 public FileListIterator(File startDir, Path... files) {
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585 dir = startDir;
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586 paths = files;
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587 reset();
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588 }
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589
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590 public void reset() {
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591 index = -1;
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592 nextFile = new RegularFileInfo();
226
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593 }
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594
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595 public boolean hasNext() {
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596 return paths.length > 0 && index < paths.length-1;
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597 }
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598
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599 public void next() {
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600 index++;
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601 if (index == paths.length) {
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602 throw new NoSuchElementException();
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603 }
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604 nextFile.init(new File(dir, paths[index].toString()));
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605 }
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606
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607 public Path name() {
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608 return paths[index];
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609 }
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610
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611 public FileInfo file() {
226
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612 return nextFile;
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613 }
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614
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615 public boolean inScope(Path file) {
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616 for (int i = 0; i < paths.length; i++) {
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617 if (paths[i].equals(file)) {
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618 return true;
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619 }
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620 }
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621 return false;
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622 }
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623 }
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624
229
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625 private static class FileIteratorFilter implements FileIterator {
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626 private final Path.Matcher filter;
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627 private final FileIterator walker;
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628 private boolean didNext = false;
226
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629
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630 public FileIteratorFilter(FileIterator fileWalker, Path.Matcher filterMatcher) {
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631 assert fileWalker != null;
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632 assert filterMatcher != null;
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633 filter = filterMatcher;
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634 walker = fileWalker;
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635 }
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636
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637 public void reset() throws IOException {
226
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638 walker.reset();
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639 }
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640
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641 public boolean hasNext() throws IOException {
229
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642 while (walker.hasNext()) {
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643 walker.next();
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644 if (filter.accept(walker.name())) {
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645 didNext = true;
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646 return true;
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647 }
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648 }
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649 return false;
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650 }
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651
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652 public void next() throws IOException {
229
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653 if (didNext) {
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654 didNext = false;
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655 } else {
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656 if (!hasNext()) {
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657 throw new NoSuchElementException();
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658 }
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659 }
226
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660 }
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661
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662 public Path name() {
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663 return walker.name();
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664 }
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665
287
ed6b74a58c66 Use FileInfo abstraction with necessary subset of File functionality instead of File to facilitate other effective file system iterators
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666 public FileInfo file() {
226
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667 return walker.file();
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668 }
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parents: 219
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669
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670 public boolean inScope(Path file) {
229
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671 return filter.accept(file);
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672 }
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673 }
58
4cfc47bc14cc Status against local working dir extracted into distinct class. Iterating over local files extracted for ease of os-dependant patching
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
674 }