Mercurial > jhg

annotate src/org/tmatesoft/hg/repo/HgDataFile.java @ 621:99ad1e3a4e4d

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
RevlogStream: be aware of existence (not HgDataFile), facilitate use of an added HgDataFile over a commit; Rollback: be more sensitive about file changes (file size is not enough: write/rollback leaves it intact); tests
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Sat, 18 May 2013 22:23:57 +0200
parents 868b2ffdcd5c
children b4948b159ab1
rev   line source
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1 /*
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2 * Copyright (c) 2010-2013 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.repo;
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19 import static org.tmatesoft.hg.core.HgIterateDirection.OldToNew;
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20 import static org.tmatesoft.hg.repo.HgInternals.wrongRevisionIndex;
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21 import static org.tmatesoft.hg.repo.HgRepository.*;
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22 import static org.tmatesoft.hg.util.LogFacility.Severity.Info;
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23
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24 import java.io.File;
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25 import java.io.FileInputStream;
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26 import java.io.IOException;
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27 import java.nio.ByteBuffer;
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28 import java.nio.channels.FileChannel;
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29 import java.util.Arrays;
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31 import org.tmatesoft.hg.core.HgCallbackTargetException;
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32 import org.tmatesoft.hg.core.HgChangesetFileSneaker;
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33 import org.tmatesoft.hg.core.HgIterateDirection;
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34 import org.tmatesoft.hg.core.Nodeid;
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35 import org.tmatesoft.hg.internal.BlameHelper;
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36 import org.tmatesoft.hg.internal.DataAccess;
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37 import org.tmatesoft.hg.internal.FileHistory;
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38 import org.tmatesoft.hg.internal.FileRevisionHistoryChunk;
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39 import org.tmatesoft.hg.internal.FileUtils;
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40 import org.tmatesoft.hg.internal.FilterByteChannel;
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41 import org.tmatesoft.hg.internal.FilterDataAccess;
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42 import org.tmatesoft.hg.internal.Internals;
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43 import org.tmatesoft.hg.internal.Metadata;
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44 import org.tmatesoft.hg.internal.RevlogStream;
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45 import org.tmatesoft.hg.util.ByteChannel;
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46 import org.tmatesoft.hg.util.CancelSupport;
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47 import org.tmatesoft.hg.util.CancelledException;
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48 import org.tmatesoft.hg.util.LogFacility;
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49 import org.tmatesoft.hg.util.Pair;
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50 import org.tmatesoft.hg.util.Path;
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51 import org.tmatesoft.hg.util.ProgressSupport;
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52
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54 /**
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55 * Regular user data file stored in the repository.
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56 *
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57 * <p> Note, most methods accept index in the file's revision history, not that of changelog. Easy way to obtain
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58 * changeset revision index from file's is to use {@link #getChangesetRevisionIndex(int)}. To obtain file's revision
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59 * index for a given changeset, {@link HgManifest#getFileRevision(int, Path)} or {@link HgChangesetFileSneaker} may
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60 * come handy.
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61 *
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62 * @author Artem Tikhomirov
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63 * @author TMate Software Ltd.
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64 */
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65 public final class HgDataFile extends Revlog {
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66
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67 // absolute from repo root?
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68 // slashes, unix-style?
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69 // repo location agnostic, just to give info to user, not to access real storage
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70 private final Path path;
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71 private Metadata metadata; // get initialized on first access to file content.
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73 /*package-local*/HgDataFile(HgRepository hgRepo, Path filePath, RevlogStream content) {
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74 super(hgRepo, content, false);
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75 path = filePath;
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76 }
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78 // exists is not the best name possible. now it means no file with such name was ever known to the repo.
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79 // it might be confused with files existed before but lately removed. TODO HgFileNode.exists makes more sense.
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80 // or HgDataFile.known()
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81 public boolean exists() {
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82 return content.exists();
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83 }
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84
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85 /**
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86 * Human-readable file name, i.e. "COPYING", not "store/data/_c_o_p_y_i_n_g.i"
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87 */
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88 public Path getPath() {
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89 return path; // hgRepo.backresolve(this) -> name? In this case, what about hashed long names?
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90 }
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91
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92 /**
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93 * Handy shorthand for {@link #getLength(int) length(getRevisionIndex(nodeid))}
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94 *
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95 * @param nodeid revision of the file
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96 *
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97 * @return size of the file content at the given revision
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98 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
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99 */
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100 public int getLength(Nodeid nodeid) throws HgRuntimeException {
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101 try {
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102 return getLength(getRevisionIndex(nodeid));
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103 } catch (HgInvalidControlFileException ex) {
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104 throw ex.isRevisionSet() ? ex : ex.setRevision(nodeid);
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105 } catch (HgInvalidRevisionException ex) {
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106 throw ex.isRevisionSet() ? ex : ex.setRevision(nodeid);
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107 }
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108 }
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110 /**
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111 * @param fileRevisionIndex - revision local index, non-negative. From predefined constants, only {@link HgRepository#TIP} makes sense.
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112 * @return size of the file content at the revision identified by local revision number.
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113 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
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114 */
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115 public int getLength(int fileRevisionIndex) throws HgRuntimeException {
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116 if (wrongRevisionIndex(fileRevisionIndex) || fileRevisionIndex == BAD_REVISION) {
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117 throw new HgInvalidRevisionException(fileRevisionIndex);
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118 }
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119 if (fileRevisionIndex == TIP) {
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120 fileRevisionIndex = getLastRevision();
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121 } else if (fileRevisionIndex == WORKING_COPY) {
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122 File f = getRepo().getFile(this);
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123 if (f.exists()) {
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124 // single revision can't be greater than 2^32, shall be safe to cast to int
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125 return Internals.ltoi(f.length());
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126 }
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127 Nodeid fileRev = getWorkingCopyRevision();
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128 if (fileRev == null) {
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129 throw new HgInvalidRevisionException(String.format("File %s is not part of working copy", getPath()), null, fileRevisionIndex);
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130 }
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131 fileRevisionIndex = getRevisionIndex(fileRev);
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132 }
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133 if (metadata == null || !metadata.checked(fileRevisionIndex)) {
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134 checkAndRecordMetadata(fileRevisionIndex);
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135 }
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136 final int dataLen = content.dataLength(fileRevisionIndex);
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137 if (metadata.known(fileRevisionIndex)) {
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138 return dataLen - metadata.dataOffset(fileRevisionIndex);
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139 }
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140 return dataLen;
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141 }
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142
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143 /**
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144 * Reads content of the file from working directory. If file present in the working directory, its actual content without
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145 * any filters is supplied through the sink. If file does not exist in the working dir, this method provides content of a file
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146 * as if it would be refreshed in the working copy, i.e. its corresponding revision (according to dirstate) is read from the
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147 * repository, and filters repo -> working copy get applied.
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148 *
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149 * NOTE, if file is missing from the working directory and is not part of the dirstate (but otherwise legal repository file,
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150 * e.g. from another branch), no content would be supplied.
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151 *
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152 * @param sink content consumer
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153 * @throws CancelledException if execution of the operation was cancelled
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154 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
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155 */
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156 public void workingCopy(ByteChannel sink) throws CancelledException, HgRuntimeException {
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157 File f = getRepo().getFile(this);
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158 if (f.exists()) {
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159 final CancelSupport cs = CancelSupport.Factory.get(sink);
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160 final ProgressSupport progress = ProgressSupport.Factory.get(sink);
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161 final long flength = f.length();
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162 final int bsize = (int) Math.min(flength, 32*1024);
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163 progress.start((int) (flength > Integer.MAX_VALUE ? flength >>> 15 /*32 kb buf size*/ : flength));
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164 ByteBuffer buf = ByteBuffer.allocate(bsize);
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165 FileInputStream fis = null;
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166 try {
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167 fis = new FileInputStream(f);
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168 FileChannel fc = fis.getChannel();
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169 while (fc.read(buf) != -1) {
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170 cs.checkCancelled();
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171 buf.flip();
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172 int consumed = sink.write(buf);
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173 progress.worked(flength > Integer.MAX_VALUE ? 1 : consumed);
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174 buf.compact();
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175 }
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176 } catch (IOException ex) {
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177 throw new HgInvalidFileException("Working copy read failed", ex, f);
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178 } finally {
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179 progress.done();
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180 if (fis != null) {
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181 new FileUtils(getRepo().getSessionContext().getLog()).closeQuietly(fis);
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182 }
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183 }
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184 } else {
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185 Nodeid fileRev = getWorkingCopyRevision();
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186 if (fileRev == null) {
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187 // no content for this data file in the working copy - it is not part of the actual working state.
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188 // XXX perhaps, shall report this to caller somehow, not silently pass no data?
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189 return;
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190 }
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191 final int fileRevIndex = getRevisionIndex(fileRev);
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192 contentWithFilters(fileRevIndex, sink);
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193 }
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194 }
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195
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196 /**
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197 * @return file revision as recorded in repository manifest for dirstate parent, or <code>null</code> if no file revision can be found
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198 */
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199 private Nodeid getWorkingCopyRevision() throws HgInvalidControlFileException {
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200 final Pair<Nodeid, Nodeid> wcParents = getRepo().getWorkingCopyParents();
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201 Nodeid p = wcParents.first().isNull() ? wcParents.second() : wcParents.first();
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202 final HgChangelog clog = getRepo().getChangelog();
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203 final int csetRevIndex;
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204 if (p.isNull()) {
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205 // no dirstate parents
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206 getRepo().getSessionContext().getLog().dump(getClass(), Info, "No dirstate parents, resort to TIP", getPath());
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207 // if it's a repository with no dirstate, use TIP then
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208 csetRevIndex = clog.getLastRevision();
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209 if (csetRevIndex == -1) {
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210 // shall not happen provided there's .i for this data file (hence at least one cset)
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211 // and perhaps exception is better here. However, null as "can't find" indication seems reasonable.
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212 return null;
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213 }
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214 } else {
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215 // common case to avoid searching complete changelog for nodeid match
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216 final Nodeid tipRev = clog.getRevision(TIP);
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217 if (tipRev.equals(p)) {
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218 csetRevIndex = clog.getLastRevision();
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219 } else {
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220 // bad luck, need to search honestly
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221 csetRevIndex = getRepo().getChangelog().getRevisionIndex(p);
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222 }
237
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223 }
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224 Nodeid fileRev = getRepo().getManifest().getFileRevision(csetRevIndex, getPath());
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225 // it's possible for a file to be in working dir and have store/.i but to belong e.g. to a different
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226 // branch than the one from dirstate. Thus it's possible to get null fileRev
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227 // which would serve as an indication this data file is not part of working copy
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228 return fileRev;
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229 }
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230
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231 /**
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232 * Access content of a file revision
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233 * XXX not sure distinct method contentWithFilters() is the best way to do, perhaps, callers shall add filters themselves?
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234 *
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235 * @param fileRevisionIndex - revision local index, non-negative. From predefined constants, {@link HgRepository#TIP} and {@link HgRepository#WORKING_COPY} make sense.
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236 * @param sink content consumer
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237 *
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238 * @throws CancelledException if execution of the operation was cancelled
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239 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
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240 */
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241 public void contentWithFilters(int fileRevisionIndex, ByteChannel sink) throws CancelledException, HgRuntimeException {
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242 if (fileRevisionIndex == WORKING_COPY) {
237
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243 workingCopy(sink); // pass un-mangled sink
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244 } else {
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245 content(fileRevisionIndex, new FilterByteChannel(sink, getRepo().getFiltersFromRepoToWorkingDir(getPath())));
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246 }
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247 }
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248
367
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249 /**
396
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250 * Retrieve content of specific revision. Content is provided as is, without any filters (e.g. keywords, eol, etc.) applied.
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251 * For filtered content, use {@link #contentWithFilters(int, ByteChannel)}.
367
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252 *
368
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253 * @param fileRevisionIndex - revision local index, non-negative. From predefined constants, {@link HgRepository#TIP} and {@link HgRepository#WORKING_COPY} make sense.
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254 * @param sink content consumer
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255 *
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256 * @throws CancelledException if execution of the operation was cancelled
425
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257 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
367
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258 */
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259 public void content(int fileRevisionIndex, ByteChannel sink) throws CancelledException, HgRuntimeException {
367
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260 // for data files need to check heading of the file content for possible metadata
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261 // @see http://mercurial.selenic.com/wiki/FileFormats#data.2BAC8-
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262 if (fileRevisionIndex == TIP) {
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263 fileRevisionIndex = getLastRevision();
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264 }
367
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265 if (fileRevisionIndex == WORKING_COPY) {
237
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266 // sink is supposed to come into workingCopy without filters
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267 // thus we shall not get here (into #content) from #contentWithFilters(WC)
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268 workingCopy(sink);
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269 return;
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270 }
367
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271 if (wrongRevisionIndex(fileRevisionIndex) || fileRevisionIndex == BAD_REVISION) {
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272 throw new HgInvalidRevisionException(fileRevisionIndex);
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273 }
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274 if (sink == null) {
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275 throw new IllegalArgumentException();
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276 }
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277 if (metadata == null) {
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278 metadata = new Metadata(getRepo());
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279 }
277
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280 ErrorHandlingInspector insp;
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281 final LogFacility lf = getRepo().getSessionContext().getLog();
367
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282 if (metadata.none(fileRevisionIndex)) {
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283 insp = new ContentPipe(sink, 0, lf);
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284 } else if (metadata.known(fileRevisionIndex)) {
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285 insp = new ContentPipe(sink, metadata.dataOffset(fileRevisionIndex), lf);
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286 } else {
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287 // do not know if there's metadata
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288 insp = new MetadataInspector(metadata, new ContentPipe(sink, 0, lf));
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289 }
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290 insp.checkCancelled();
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291 super.content.iterate(fileRevisionIndex, fileRevisionIndex, true, insp);
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292 try {
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293 insp.checkFailed();
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294 } catch (HgInvalidControlFileException ex) {
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295 ex = ex.setFileName(getPath());
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296 throw ex.isRevisionIndexSet() ? ex : ex.setRevisionIndex(fileRevisionIndex);
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297 } catch (IOException ex) {
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298 HgInvalidControlFileException e = new HgInvalidControlFileException("Revision content access failed", ex, null);
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299 throw content.initWithIndexFile(e).setFileName(getPath()).setRevisionIndex(fileRevisionIndex);
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300 }
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301 }
425
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302
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303 /**
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304 * Walk complete change history of the file.
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305 * @param inspector callback to visit changesets
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306 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
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307 */
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308 public void history(HgChangelog.Inspector inspector) throws HgRuntimeException {
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309 history(0, getLastRevision(), inspector);
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310 }
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311
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312 /**
425
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313 * Walk subset of the file's change history.
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314 * @param start revision local index, inclusive; non-negative or {@link HgRepository#TIP}
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315 * @param end revision local index, inclusive; non-negative or {@link HgRepository#TIP}
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316 * @param inspector callback to visit changesets
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317 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
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318 */
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319 public void history(int start, int end, HgChangelog.Inspector inspector) throws HgRuntimeException {
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320 if (!exists()) {
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321 throw new IllegalStateException("Can't get history of invalid repository file node");
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322 }
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323 final int last = getLastRevision();
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324 if (end == TIP) {
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325 end = last;
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326 }
300
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327 if (start == TIP) {
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328 start = last;
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329 }
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330 HgInternals.checkRevlogRange(start, end, last);
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331
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332 final int[] commitRevisions = new int[end - start + 1];
242
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333 final boolean[] needsSorting = { false };
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334 RevlogStream.Inspector insp = new RevlogStream.Inspector() {
3
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335 int count = 0;
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336 public void next(int revisionNumber, int actualLen, int baseRevision, int linkRevision, int parent1Revision, int parent2Revision, byte[] nodeid, DataAccess data) {
242
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337 if (count > 0) {
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338 if (commitRevisions[count -1] > linkRevision) {
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339 needsSorting[0] = true;
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340 }
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341 }
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342 commitRevisions[count++] = linkRevision;
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343 }
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344 };
48
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345 content.iterate(start, end, false, insp);
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346 final HgChangelog changelog = getRepo().getChangelog();
242
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diff changeset
347 if (needsSorting[0]) {
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348 // automatic tools (svnmerge?) produce unnatural file history
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349 // (e.g. cpython/Lib/doctest.py, revision 164 points to cset 63509, 165 - to 38453)
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350 Arrays.sort(commitRevisions);
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351 }
245
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352 changelog.rangeInternal(inspector, commitRevisions);
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353 }
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354
354
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355 /**
367
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356 * For a given revision of the file (identified with revision index), find out index of the corresponding changeset.
354
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357 *
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358 * @return changeset revision index
425
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359 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
354
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360 */
437
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361 public int getChangesetRevisionIndex(int fileRevisionIndex) throws HgRuntimeException {
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362 return content.linkRevision(fileRevisionIndex);
367
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363 }
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364
354
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365 /**
367
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366 * Complements {@link #getChangesetRevisionIndex(int)} to get changeset revision that corresponds to supplied file revision
354
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367 *
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368 * @param nid revision of the file
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369 * @return changeset revision
425
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370 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
354
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371 */
425
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372 public Nodeid getChangesetRevision(Nodeid nid) throws HgRuntimeException {
367
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373 int changelogRevision = getChangesetRevisionIndex(getRevisionIndex(nid));
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374 return getRepo().getChangelog().getRevision(changelogRevision);
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diff changeset
375 }
78
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diff changeset
376
354
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diff changeset
377 /**
396
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diff changeset
378 * Tells whether this file originates from another repository file
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379 * @return <code>true</code> if this file is a copy of another from the repository
425
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380 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
354
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381 */
425
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382 public boolean isCopy() throws HgRuntimeException {
134
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision
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diff changeset
383 if (metadata == null || !metadata.checked(0)) {
275
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location
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diff changeset
384 checkAndRecordMetadata(0);
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385 }
134
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diff changeset
386 if (!metadata.known(0)) {
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387 return false;
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388 }
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389 return metadata.find(0, "copy") != null;
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390 }
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diff changeset
391
354
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392 /**
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393 * Get name of the file this one was copied from.
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diff changeset
394 *
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diff changeset
395 * @return name of the file origin
425
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396 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
354
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397 */
425
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diff changeset
398 public Path getCopySourceName() throws HgRuntimeException {
78
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diff changeset
399 if (isCopy()) {
571
e4ee4bf4c7d0 Let session context control creation of Path instances
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diff changeset
400 Path.Source ps = getRepo().getSessionContext().getPathFactory();
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diff changeset
401 return ps.path(metadata.find(0, "copy"));
78
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402 }
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diff changeset
403 throw new UnsupportedOperationException(); // XXX REVISIT, think over if Exception is good (clients would check isCopy() anyway, perhaps null is sufficient?)
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diff changeset
404 }
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diff changeset
405
415
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
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diff changeset
406 /**
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
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diff changeset
407 *
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diff changeset
408 * @return revision this file was copied from
425
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diff changeset
409 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
415
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diff changeset
410 */
425
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diff changeset
411 public Nodeid getCopySourceRevision() throws HgRuntimeException {
78
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diff changeset
412 if (isCopy()) {
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diff changeset
413 return Nodeid.fromAscii(metadata.find(0, "copyrev")); // XXX reuse/cache Nodeid
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diff changeset
414 }
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diff changeset
415 throw new UnsupportedOperationException();
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diff changeset
416 }
417
ccd7d25e5aea New and better name for HgFileInformer - HgChangesetFileSneaker. Explain (comments) ties between HgManifest, HgDataFile, HgChangesetFileSneaker and reasons for method placement
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diff changeset
417
415
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
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diff changeset
418 /**
417
ccd7d25e5aea New and better name for HgFileInformer - HgChangesetFileSneaker. Explain (comments) ties between HgManifest, HgDataFile, HgChangesetFileSneaker and reasons for method placement
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diff changeset
419 * Get file flags recorded in the manifest
416
d30083c80d52 Better names - non-confusing and aligned with the rest of API
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diff changeset
420 * @param fileRevisionIndex - revision local index, non-negative, or {@link HgRepository#TIP}.
417
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diff changeset
421 * @see HgManifest#getFileFlags(int, Path)
425
48f993aa2f41 FIXMEs: exceptions, javadoc
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diff changeset
422 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
415
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diff changeset
423 */
425
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diff changeset
424 public HgManifest.Flags getFlags(int fileRevisionIndex) throws HgRuntimeException {
415
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diff changeset
425 int changesetRevIndex = getChangesetRevisionIndex(fileRevisionIndex);
417
ccd7d25e5aea New and better name for HgFileInformer - HgChangesetFileSneaker. Explain (comments) ties between HgManifest, HgDataFile, HgChangesetFileSneaker and reasons for method placement
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diff changeset
426 return getRepo().getManifest().getFileFlags(changesetRevIndex, getPath());
415
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diff changeset
427 }
416
d30083c80d52 Better names - non-confusing and aligned with the rest of API
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diff changeset
428
603
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
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diff changeset
429 /**
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
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diff changeset
430 * mimic 'hg diff -r clogRevIndex1 -r clogRevIndex2'
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
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diff changeset
431 */
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
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diff changeset
432 public void diff(int clogRevIndex1, int clogRevIndex2, HgBlameInspector insp) throws HgCallbackTargetException {
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
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diff changeset
433 // FIXME clogRevIndex1 and clogRevIndex2 may point to different files, need to decide whether to throw an exception
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diff changeset
434 // or to attempt to look up correct file node (tricky)
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diff changeset
435 int fileRevIndex1 = fileRevIndex(this, clogRevIndex1);
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
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diff changeset
436 int fileRevIndex2 = fileRevIndex(this, clogRevIndex2);
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diff changeset
437 BlameHelper bh = new BlameHelper(insp, 5);
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
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diff changeset
438 bh.useFileUpTo(this, clogRevIndex2);
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
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diff changeset
439 bh.diff(fileRevIndex1, clogRevIndex1, fileRevIndex2, clogRevIndex2);
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
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diff changeset
440 }
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
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diff changeset
441
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
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diff changeset
442 /**
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
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diff changeset
443 * Walk file history up/down to revision at given changeset and report changes for each revision
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
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diff changeset
444 */
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
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diff changeset
445 public void annotate(int changelogRevisionIndex, HgBlameInspector insp, HgIterateDirection iterateOrder) throws HgCallbackTargetException {
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
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diff changeset
446 annotate(0, changelogRevisionIndex, insp, iterateOrder);
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
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parents: 602
diff changeset
447 }
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
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parents: 602
diff changeset
448
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 602
diff changeset
449 /**
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
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parents: 602
diff changeset
450 * Walk file history range and report changes for each revision
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 602
diff changeset
451 */
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
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parents: 602
diff changeset
452 public void annotate(int changelogRevIndexStart, int changelogRevIndexEnd, HgBlameInspector insp, HgIterateDirection iterateOrder) throws HgCallbackTargetException {
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
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parents: 602
diff changeset
453 if (wrongRevisionIndex(changelogRevIndexStart) || wrongRevisionIndex(changelogRevIndexEnd)) {
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 602
diff changeset
454 throw new IllegalArgumentException();
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 602
diff changeset
455 }
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 602
diff changeset
456 // Note, changelogRevIndexEnd may be TIP, while the code below doesn't tolerate constants
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 602
diff changeset
457 //
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 602
diff changeset
458 int lastRevision = getRepo().getChangelog().getLastRevision();
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 602
diff changeset
459 if (changelogRevIndexEnd == TIP) {
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
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parents: 602
diff changeset
460 changelogRevIndexEnd = lastRevision;
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
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parents: 602
diff changeset
461 }
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
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parents: 602
diff changeset
462 HgInternals.checkRevlogRange(changelogRevIndexStart, changelogRevIndexEnd, lastRevision);
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
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parents: 602
diff changeset
463 if (!exists()) {
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 602
diff changeset
464 return;
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
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parents: 602
diff changeset
465 }
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
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parents: 602
diff changeset
466 FileHistory fileHistory = new FileHistory(this, changelogRevIndexStart, changelogRevIndexEnd);
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
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parents: 602
diff changeset
467 fileHistory.build();
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 602
diff changeset
468 BlameHelper bh = new BlameHelper(insp, 10);
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
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parents: 602
diff changeset
469 for (FileRevisionHistoryChunk fhc : fileHistory.iterate(OldToNew)) {
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 602
diff changeset
470 // iteration order is not important here
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
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parents: 602
diff changeset
471 bh.useFileUpTo(fhc.getFile(), fhc.getEndChangeset());
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
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parents: 602
diff changeset
472 }
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
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parents: 602
diff changeset
473 int[] fileClogParentRevs = new int[2];
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
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parents: 602
diff changeset
474 int[] fileParentRevs = new int[2];
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 602
diff changeset
475 for (FileRevisionHistoryChunk fhc : fileHistory.iterate(iterateOrder)) {
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 602
diff changeset
476 for (int fri : fhc.fileRevisions(iterateOrder)) {
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 602
diff changeset
477 int clogRevIndex = fhc.changeset(fri);
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 602
diff changeset
478 // the way we built fileHistory ensures we won't walk past [changelogRevIndexStart..changelogRevIndexEnd]
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 602
diff changeset
479 assert clogRevIndex >= changelogRevIndexStart;
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 602
diff changeset
480 assert clogRevIndex <= changelogRevIndexEnd;
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
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parents: 602
diff changeset
481 fhc.fillFileParents(fri, fileParentRevs);
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
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parents: 602
diff changeset
482 fhc.fillCsetParents(fri, fileClogParentRevs);
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 602
diff changeset
483 bh.annotateChange(fri, clogRevIndex, fileParentRevs, fileClogParentRevs);
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 602
diff changeset
484 }
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 602
diff changeset
485 }
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
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parents: 602
diff changeset
486 }
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 602
diff changeset
487
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 602
diff changeset
488 /**
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 602
diff changeset
489 * Annotates changes of the file against its parent(s).
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 602
diff changeset
490 * Unlike {@link #annotate(HgDataFile, int, Inspector, HgIterateDirection)}, doesn't
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 602
diff changeset
491 * walk file history, looks at the specified revision only. Handles both parents (if merge revision).
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 602
diff changeset
492 */
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 602
diff changeset
493 public void annotateSingleRevision(int changelogRevisionIndex, HgBlameInspector insp) throws HgCallbackTargetException {
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 602
diff changeset
494 // TODO detect if file is text/binary (e.g. looking for chars < ' ' and not \t\r\n\f
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 602
diff changeset
495 int fileRevIndex = fileRevIndex(this, changelogRevisionIndex);
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 602
diff changeset
496 int[] fileRevParents = new int[2];
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
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parents: 602
diff changeset
497 parents(fileRevIndex, fileRevParents, null, null);
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 602
diff changeset
498 if (changelogRevisionIndex == TIP) {
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
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parents: 602
diff changeset
499 changelogRevisionIndex = getChangesetRevisionIndex(fileRevIndex);
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 602
diff changeset
500 }
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 602
diff changeset
501 BlameHelper bh = new BlameHelper(insp, 5);
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 602
diff changeset
502 bh.useFileUpTo(this, changelogRevisionIndex);
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 602
diff changeset
503 int[] fileClogParentRevs = new int[2];
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 602
diff changeset
504 fileClogParentRevs[0] = fileRevParents[0] == NO_REVISION ? NO_REVISION : getChangesetRevisionIndex(fileRevParents[0]);
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 602
diff changeset
505 fileClogParentRevs[1] = fileRevParents[1] == NO_REVISION ? NO_REVISION : getChangesetRevisionIndex(fileRevParents[1]);
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 602
diff changeset
506 bh.annotateChange(fileRevIndex, changelogRevisionIndex, fileRevParents, fileClogParentRevs);
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 602
diff changeset
507 }
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 602
diff changeset
508
88
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 79
diff changeset
509 @Override
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 79
diff changeset
510 public String toString() {
61eedab3eb3e Status between two revisions to recognize copy/rename
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parents: 79
diff changeset
511 StringBuilder sb = new StringBuilder(getClass().getSimpleName());
61eedab3eb3e Status between two revisions to recognize copy/rename
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parents: 79
diff changeset
512 sb.append('(');
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 79
diff changeset
513 sb.append(getPath());
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 79
diff changeset
514 sb.append(')');
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 79
diff changeset
515 return sb.toString();
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 79
diff changeset
516 }
275
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 245
diff changeset
517
396
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 388
diff changeset
518 private void checkAndRecordMetadata(int localRev) throws HgInvalidControlFileException {
495
abfbe81154b5 Do not use exception when only metadata processing is needed. For hg4j repo, status 0:-1 changed from 500 to 60 ms
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
diff changeset
519 if (metadata == null) {
602
e3717fc7d26f Refactor metadata parsing in HgDataFile, moved to standalone class
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 600
diff changeset
520 metadata = new Metadata(getRepo());
275
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location
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parents: 245
diff changeset
521 }
495
abfbe81154b5 Do not use exception when only metadata processing is needed. For hg4j repo, status 0:-1 changed from 500 to 60 ms
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
diff changeset
522 // use MetadataInspector without delegate to process metadata only
602
e3717fc7d26f Refactor metadata parsing in HgDataFile, moved to standalone class
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 600
diff changeset
523 RevlogStream.Inspector insp = new MetadataInspector(metadata, null);
495
abfbe81154b5 Do not use exception when only metadata processing is needed. For hg4j repo, status 0:-1 changed from 500 to 60 ms
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parents: 490
diff changeset
524 super.content.iterate(localRev, localRev, true, insp);
275
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location
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parents: 245
diff changeset
525 }
603
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 602
diff changeset
526
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 602
diff changeset
527
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 602
diff changeset
528 private static int fileRevIndex(HgDataFile df, int csetRevIndex) {
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 602
diff changeset
529 Nodeid fileRev = df.getRepo().getManifest().getFileRevision(csetRevIndex, df.getPath());
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 602
diff changeset
530 return df.getRevisionIndex(fileRev);
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 602
diff changeset
531 }
707b5c7c6fa4 Refactor HgBlameFacility: relevant action methods moved to proper home (HgDataFile), as facility doesn't provide anything but packaging of relevant methods/interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 602
diff changeset
532
78
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
533
277
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
534 private static class MetadataInspector extends ErrorHandlingInspector implements RevlogStream.Inspector {
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: 51 148
diff changeset
535 private final Metadata metadata;
277
74e7493a042a Favor delegation over generalization
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parents: 276
diff changeset
536 private final RevlogStream.Inspector delegate;
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537
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538 /**
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539 * @param _metadata never <code>null</code>
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540 * @param chain <code>null</code> if no further data processing other than metadata is desired
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541 */
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542 public MetadataInspector(Metadata _metadata, RevlogStream.Inspector chain) {
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543 metadata = _metadata;
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544 delegate = chain;
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545 setCancelSupport(CancelSupport.Factory.get(chain));
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546 }
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547
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548 public void next(int revisionNumber, int actualLen, int baseRevision, int linkRevision, int parent1Revision, int parent2Revision, byte[] nodeid, DataAccess data) {
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549 try {
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550 if (metadata.tryRead(revisionNumber, data)) {
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551 // da is in prepared state (i.e. we consumed all bytes up to metadata end).
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552 // However, it's not safe to assume delegate won't call da.reset() for some reason,
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553 // and we need to ensure predictable result.
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554 data.reset();
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555 int offset = metadata.dataOffset(revisionNumber);
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556 data = new FilterDataAccess(data, offset, data.length() - offset);
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557 } else {
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558 data.reset();
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559 }
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560 if (delegate != null) {
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561 delegate.next(revisionNumber, actualLen, baseRevision, linkRevision, parent1Revision, parent2Revision, nodeid, data);
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562 }
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563 } catch (IOException ex) {
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564 recordFailure(ex);
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565 } catch (HgInvalidControlFileException ex) {
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566 recordFailure(ex.isRevisionIndexSet() ? ex : ex.setRevisionIndex(revisionNumber));
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567 }
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568 }
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569
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570 @Override
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571 public void checkFailed() throws HgRuntimeException, IOException, CancelledException {
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572 super.checkFailed();
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573 if (delegate instanceof ErrorHandlingInspector) {
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574 // TODO need to add ErrorDestination (ErrorTarget/Acceptor?) and pass it around (much like CancelSupport get passed)
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575 // so that delegate would be able report its failures directly to caller without this hack
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576 ((ErrorHandlingInspector) delegate).checkFailed();
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577 }
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578 }
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579 }
2
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580 }