Mercurial > hg4j

annotate src/org/tmatesoft/hg/internal/FileHistory.java @ 702:992fa84e7885

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Reference ssh-dependant class by the fq name to avoid runtime dependency from the ssh library
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Thu, 08 Aug 2013 21:32:22 +0200
parents 72fc7774b87e
children
rev   line source
596
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
1 /*
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
2 * Copyright (c) 2013 TMate Software Ltd
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
3 *
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
4 * This program is free software; you can redistribute it and/or modify
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
5 * it under the terms of the GNU General Public License as published by
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
6 * the Free Software Foundation; version 2 of the License.
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
7 *
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
8 * This program is distributed in the hope that it will be useful,
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
11 * GNU General Public License for more details.
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
12 *
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
13 * For information on how to redistribute this software under
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
14 * the terms of a license other than GNU General Public License
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
15 * contact TMate Software at support@hg4j.com
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
16 */
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
17 package org.tmatesoft.hg.internal;
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
18
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
19 import static org.tmatesoft.hg.core.HgIterateDirection.NewToOld;
691
72fc7774b87e Fix file.isCopy() for blame/annotate. Refactor status and blame to use newly introduced FileHistory helper that builds file rename history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 628
diff changeset
20 import static org.tmatesoft.hg.core.HgIterateDirection.OldToNew;
596
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
21
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
22 import java.util.Collections;
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
23 import java.util.LinkedList;
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
24
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
25 import org.tmatesoft.hg.core.HgIterateDirection;
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
26 import org.tmatesoft.hg.core.Nodeid;
691
72fc7774b87e Fix file.isCopy() for blame/annotate. Refactor status and blame to use newly introduced FileHistory helper that builds file rename history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 628
diff changeset
27 import org.tmatesoft.hg.internal.FileRenameHistory.Chunk;
596
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
28 import org.tmatesoft.hg.repo.HgDataFile;
628
6526d8adbc0f Explicit HgRuntimeException to facilitate easy switch from runtime to checked exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 624
diff changeset
29 import org.tmatesoft.hg.repo.HgRuntimeException;
596
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
30
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
31 /**
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
32 * History of a file, with copy/renames, and corresponding revision information.
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
33 * Facility for file history iteration.
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
34 *
624
507602cb4fb3 FIXMEs and TODOs: pay some technical debt
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 596
diff changeset
35 * TODO [post-1.1] Utilize in HgLogCommand and anywhere else we need to follow file history
596
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
36 *
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
37 * @author Artem Tikhomirov
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
38 * @author TMate Software Ltd.
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
39 */
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
40 public class FileHistory {
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
41
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
42 private LinkedList<FileRevisionHistoryChunk> fileCompleteHistory = new LinkedList<FileRevisionHistoryChunk>();
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
43 private final HgDataFile df;
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
44 private final int csetTo;
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
45 private final int csetFrom;
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
46
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
47 public FileHistory(HgDataFile file, int fromChangeset, int toChangeset) {
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
48 df = file;
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
49 csetFrom = fromChangeset;
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
50 csetTo = toChangeset;
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
51 }
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
52
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
53 public int getStartChangeset() {
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
54 return csetFrom;
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
55 }
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
56
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
57 public int getEndChangeset() {
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
58 return csetTo;
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
59 }
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
60
628
6526d8adbc0f Explicit HgRuntimeException to facilitate easy switch from runtime to checked exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 624
diff changeset
61 public void build() throws HgRuntimeException {
596
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
62 fileCompleteHistory.clear(); // just in case, #build() is not expected to be called more than once
691
72fc7774b87e Fix file.isCopy() for blame/annotate. Refactor status and blame to use newly introduced FileHistory helper that builds file rename history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 628
diff changeset
63 Nodeid fileRev = df.getRepo().getManifest().getFileRevision(csetTo, df.getPath());
72fc7774b87e Fix file.isCopy() for blame/annotate. Refactor status and blame to use newly introduced FileHistory helper that builds file rename history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 628
diff changeset
64 int fileRevIndex = df.getRevisionIndex(fileRev);
72fc7774b87e Fix file.isCopy() for blame/annotate. Refactor status and blame to use newly introduced FileHistory helper that builds file rename history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 628
diff changeset
65 FileRenameHistory frh = new FileRenameHistory(csetFrom, csetTo);
72fc7774b87e Fix file.isCopy() for blame/annotate. Refactor status and blame to use newly introduced FileHistory helper that builds file rename history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 628
diff changeset
66 if (frh.isOutOfRange(df, fileRevIndex)) {
72fc7774b87e Fix file.isCopy() for blame/annotate. Refactor status and blame to use newly introduced FileHistory helper that builds file rename history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 628
diff changeset
67 return;
72fc7774b87e Fix file.isCopy() for blame/annotate. Refactor status and blame to use newly introduced FileHistory helper that builds file rename history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 628
diff changeset
68 }
72fc7774b87e Fix file.isCopy() for blame/annotate. Refactor status and blame to use newly introduced FileHistory helper that builds file rename history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 628
diff changeset
69 frh.build(df, fileRevIndex);
72fc7774b87e Fix file.isCopy() for blame/annotate. Refactor status and blame to use newly introduced FileHistory helper that builds file rename history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 628
diff changeset
70 FileRevisionHistoryChunk prevChunk = null;
72fc7774b87e Fix file.isCopy() for blame/annotate. Refactor status and blame to use newly introduced FileHistory helper that builds file rename history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 628
diff changeset
71 for (Chunk c : frh.iterate(OldToNew)) {
72fc7774b87e Fix file.isCopy() for blame/annotate. Refactor status and blame to use newly introduced FileHistory helper that builds file rename history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 628
diff changeset
72 FileRevisionHistoryChunk fileHistory = new FileRevisionHistoryChunk(c.file(), c.firstCset(), c.lastCset(), c.firstFileRev(), c.lastFileRev());
72fc7774b87e Fix file.isCopy() for blame/annotate. Refactor status and blame to use newly introduced FileHistory helper that builds file rename history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 628
diff changeset
73 fileHistory.init();
72fc7774b87e Fix file.isCopy() for blame/annotate. Refactor status and blame to use newly introduced FileHistory helper that builds file rename history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 628
diff changeset
74 if (fileHistory.revisionCount() == 0) {
72fc7774b87e Fix file.isCopy() for blame/annotate. Refactor status and blame to use newly introduced FileHistory helper that builds file rename history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 628
diff changeset
75 // no revisions on our cset range of interest
72fc7774b87e Fix file.isCopy() for blame/annotate. Refactor status and blame to use newly introduced FileHistory helper that builds file rename history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 628
diff changeset
76 continue;
596
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
77 }
691
72fc7774b87e Fix file.isCopy() for blame/annotate. Refactor status and blame to use newly introduced FileHistory helper that builds file rename history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 628
diff changeset
78 if (prevChunk != null) {
72fc7774b87e Fix file.isCopy() for blame/annotate. Refactor status and blame to use newly introduced FileHistory helper that builds file rename history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 628
diff changeset
79 prevChunk.linkTo(fileHistory);
72fc7774b87e Fix file.isCopy() for blame/annotate. Refactor status and blame to use newly introduced FileHistory helper that builds file rename history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 628
diff changeset
80 }
72fc7774b87e Fix file.isCopy() for blame/annotate. Refactor status and blame to use newly introduced FileHistory helper that builds file rename history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 628
diff changeset
81 fileCompleteHistory.addLast(fileHistory); // to get the list in old-to-new order
72fc7774b87e Fix file.isCopy() for blame/annotate. Refactor status and blame to use newly introduced FileHistory helper that builds file rename history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 628
diff changeset
82 prevChunk = fileHistory;
72fc7774b87e Fix file.isCopy() for blame/annotate. Refactor status and blame to use newly introduced FileHistory helper that builds file rename history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 628
diff changeset
83 }
596
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
84 // fileCompleteHistory is in (origin, intermediate target, ultimate target) order
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
85 }
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
86
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
87 public Iterable<FileRevisionHistoryChunk> iterate(HgIterateDirection order) {
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
88 if (order == NewToOld) {
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
89 return ReverseIterator.reversed(fileCompleteHistory);
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
90 }
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
91 return Collections.unmodifiableList(fileCompleteHistory);
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
92 }
43cfa08ff3fd HgBlameFacility refactoring: extract code to build file history that spans renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
93 }