annotate src/org/tmatesoft/hg/repo/HgManifest.java @ 576:3c4db86e8c1f

Issue 43: poor performance with InflaterDataAccess. Phase 2: inflate into buffer, effective skip and readByte/readBytes()
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Tue, 16 Apr 2013 19:31:57 +0200
parents 88afffd39899
children 47dfa0ec7e35
rev   line source
13
df8c67f3006a Basic manifest parsing to analyze what's in there
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
1 /*
537
5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
diff changeset
2 * Copyright (c) 2010-2013 TMate Software Ltd
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 28
diff changeset
3 *
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 28
diff changeset
4 * This program is free software; you can redistribute it and/or modify
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 28
diff changeset
5 * it under the terms of the GNU General Public License as published by
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 28
diff changeset
6 * the Free Software Foundation; version 2 of the License.
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 28
diff changeset
7 *
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 28
diff changeset
8 * This program is distributed in the hope that it will be useful,
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 28
diff changeset
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 28
diff changeset
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 28
diff changeset
11 * GNU General Public License for more details.
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 28
diff changeset
12 *
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 28
diff changeset
13 * For information on how to redistribute this software under
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 28
diff changeset
14 * the terms of a license other than GNU General Public License
102
a3a2e5deb320 Updated contact address to support@hg4j.com
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
15 * contact TMate Software at support@hg4j.com
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
16 */
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 28
diff changeset
17 package org.tmatesoft.hg.repo;
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 28
diff changeset
18
390
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
19 import static org.tmatesoft.hg.core.Nodeid.NULL;
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 421
diff changeset
20 import static org.tmatesoft.hg.repo.HgRepository.*;
456
909306e412e2 Refactor LogFacility and SessionContext, better API for both
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 431
diff changeset
21 import static org.tmatesoft.hg.util.LogFacility.Severity.Info;
218
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
22
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: 51 102
diff changeset
23 import java.io.IOException;
218
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
24 import java.util.ArrayList;
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
25 import java.util.Arrays;
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: 51 102
diff changeset
26
417
ccd7d25e5aea New and better name for HgFileInformer - HgChangesetFileSneaker. Explain (comments) ties between HgManifest, HgDataFile, HgChangesetFileSneaker and reasons for method placement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 415
diff changeset
27 import org.tmatesoft.hg.core.HgChangesetFileSneaker;
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 28
diff changeset
28 import org.tmatesoft.hg.core.Nodeid;
574
88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 571
diff changeset
29 import org.tmatesoft.hg.internal.ByteVector;
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 421
diff changeset
30 import org.tmatesoft.hg.internal.Callback;
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: 51 102
diff changeset
31 import org.tmatesoft.hg.internal.DataAccess;
266
0a2f445de774 Improve manifest parsing: reduce number of arrays instantiated for Nodeid
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 264
diff changeset
32 import org.tmatesoft.hg.internal.DigestHelper;
320
678e326fd27c Issue 15: Exception accessing oddly named file from history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 313
diff changeset
33 import org.tmatesoft.hg.internal.EncodingHelper;
574
88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 571
diff changeset
34 import org.tmatesoft.hg.internal.IdentityPool;
415
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
35 import org.tmatesoft.hg.internal.IntMap;
312
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 304
diff changeset
36 import org.tmatesoft.hg.internal.IterateControlMediator;
218
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
37 import org.tmatesoft.hg.internal.Lifecycle;
77
c677e1593919 Moved RevlogStream implementation into .internal
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 74
diff changeset
38 import org.tmatesoft.hg.internal.RevlogStream;
312
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 304
diff changeset
39 import org.tmatesoft.hg.util.CancelSupport;
574
88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 571
diff changeset
40 import org.tmatesoft.hg.util.LogFacility.Severity;
232
b7347daa50e3 Allow to cat a file with changeset revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 222
diff changeset
41 import org.tmatesoft.hg.util.Path;
312
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 304
diff changeset
42 import org.tmatesoft.hg.util.ProgressSupport;
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 28
diff changeset
43
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
44
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
45 /**
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
46 * Representation of Mercurial manifest file (list of file names and their revisions in a particular changeset)
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
47 *
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
48 * @see http://mercurial.selenic.com/wiki/Manifest
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 28
diff changeset
49 * @author Artem Tikhomirov
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 28
diff changeset
50 * @author TMate Software Ltd.
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
51 */
426
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
52 public final class HgManifest extends Revlog {
218
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
53 private RevisionMapper revisionMap;
574
88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 571
diff changeset
54 private final EncodingHelper encodingHelper;
88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 571
diff changeset
55 private final Path.Source pathFactory;
285
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
56
415
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
57 /**
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
58 * File flags recorded in manifest
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
59 */
285
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
60 public enum Flags {
415
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
61 /**
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
62 * Executable bit set
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
63 */
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
64 Exec,
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
65 /**
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
66 * Symbolic link
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
67 */
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
68 Link,
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
69 /**
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
70 * Regular file
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
71 */
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
72 RegularFile;
285
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
73
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
74 static Flags parse(String flags) {
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
75 if ("x".equalsIgnoreCase(flags)) {
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
76 return Exec;
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
77 }
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
78 if ("l".equalsIgnoreCase(flags)) {
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
79 return Link;
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
80 }
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
81 if (flags == null) {
415
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
82 return RegularFile;
285
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
83 }
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
84 throw new IllegalStateException(flags);
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
85 }
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
86
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
87 static Flags parse(byte[] data, int start, int length) {
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
88 if (length == 0) {
415
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
89 return RegularFile;
285
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
90 }
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
91 if (length == 1) {
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
92 if (data[start] == 'x') {
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
93 return Exec;
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
94 }
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
95 if (data[start] == 'l') {
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
96 return Link;
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
97 }
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
98 // FALL THROUGH
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
99 }
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
100 throw new IllegalStateException(new String(data, start, length));
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
101 }
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
102
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
103 String nativeString() {
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
104 if (this == Exec) {
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
105 return "x";
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
106 }
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
107 if (this == Link) {
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
108 return "l";
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
109 }
415
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
110 if (this == RegularFile) {
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
111 return "";
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
112 }
285
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
113 throw new IllegalStateException(toString());
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
114 }
574
88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 571
diff changeset
115
88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 571
diff changeset
116 public int fsMode() {
88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 571
diff changeset
117 if (this == Exec) {
88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 571
diff changeset
118 return 0755;
88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 571
diff changeset
119 }
88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 571
diff changeset
120 return 0644;
88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 571
diff changeset
121 }
285
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
122 }
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
123
412
63c5a9d7ca3f Follow-up for Issue 29: unify path translation for manifest and dirstate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 390
diff changeset
124 /*package-local*/ HgManifest(HgRepository hgRepo, RevlogStream content, EncodingHelper eh) {
21
e929cecae4e1 Refactor to move revlog content to base class
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 20
diff changeset
125 super(hgRepo, content);
412
63c5a9d7ca3f Follow-up for Issue 29: unify path translation for manifest and dirstate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 390
diff changeset
126 encodingHelper = eh;
574
88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 571
diff changeset
127 pathFactory = hgRepo.getSessionContext().getPathFactory();
13
df8c67f3006a Basic manifest parsing to analyze what's in there
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
128 }
df8c67f3006a Basic manifest parsing to analyze what's in there
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
129
218
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
130 /**
390
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
131 * Walks manifest revisions that correspond to specified range of changesets. The order in which manifest versions get reported
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
132 * to the inspector corresponds to physical order of manifest revisions, not that of changesets (with few exceptions as noted below).
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
133 * That is, for cset-manifest revision pairs:
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
134 * <pre>
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
135 * 3 8
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
136 * 4 7
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
137 * 5 9
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
138 * </pre>
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
139 * call <code>walk(3,5, insp)</code> would yield (4,7), (3,8) and (5,9) to the inspector;
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
140 * different order of arguments, <code>walk(5, 3, insp)</code>, makes no difference.
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
141 *
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
142 * <p>Physical layout of mercurial files (revlog) doesn't impose any restriction on whether manifest and changeset revisions shall go
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
143 * incrementally, nor it mandates presence of manifest version for a changeset. Thus, there might be changesets that record {@link Nodeid#NULL}
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
144 * as corresponding manifest revision. This situation is deemed exceptional now and what would <code>inspector</code> get depends on whether
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
145 * <code>start</code> or <code>end</code> arguments point to such changeset, or such changeset happen to be somewhere inside the range
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 421
diff changeset
146 * <code>[start..end]</code>. Implementation does it best to report empty manifests
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 421
diff changeset
147 * (<code>Inspector.begin(HgRepository.NO_REVISION, NULL, csetRevIndex);</code>
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 421
diff changeset
148 * followed immediately by <code>Inspector.end(HgRepository.NO_REVISION)</code>
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 421
diff changeset
149 * when <code>start</code> and/or <code>end</code> point to changeset with no associated
390
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
150 * manifest revision. However, if changeset-manifest revision pairs look like:
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
151 * <pre>
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
152 * 3 8
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
153 * 4 -1 (cset records null revision for manifest)
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
154 * 5 9
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
155 * </pre>
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
156 * call <code>walk(3,5, insp)</code> would yield only (3,8) and (5,9) to the inspector, without additional empty
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
157 * <code>Inspector.begin(); Inspector.end()</code> call pair.
218
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
158 *
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 421
diff changeset
159 * @see HgRepository#NO_REVISION
218
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
160 * @param start changelog (not manifest!) revision to begin with
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
161 * @param end changelog (not manifest!) revision to stop, inclusive.
390
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
162 * @param inspector manifest revision visitor, can't be <code>null</code>
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 421
diff changeset
163 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 421
diff changeset
164 * @throws IllegalArgumentException if inspector callback is <code>null</code>
218
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
165 */
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 421
diff changeset
166 public void walk(int start, int end, final Inspector inspector) throws HgRuntimeException, IllegalArgumentException {
196
e2115da4cf6a Pool objects to avoid memory polution with duplicates
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
167 if (inspector == null) {
e2115da4cf6a Pool objects to avoid memory polution with duplicates
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
168 throw new IllegalArgumentException();
e2115da4cf6a Pool objects to avoid memory polution with duplicates
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
169 }
390
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
170 final int csetFirst = start <= end ? start : end, csetLast = start > end ? start : end;
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
171 int manifestFirst, manifestLast, i = 0;
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
172 do {
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
173 manifestFirst = fromChangelog(csetFirst+i);
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 390
diff changeset
174 if (manifestFirst == BAD_REVISION) {
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 421
diff changeset
175 inspector.begin(NO_REVISION, NULL, csetFirst+i);
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 421
diff changeset
176 inspector.end(NO_REVISION);
390
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
177 }
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
178 i++;
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 390
diff changeset
179 } while (manifestFirst == BAD_REVISION && csetFirst+i <= csetLast);
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 390
diff changeset
180 if (manifestFirst == BAD_REVISION) {
490
b3c16d1aede0 Refactoring: move HgRepository's implementation aspects to Internals (which is now its imlementation counterpart and primary repository class to be used by other parts of the library)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
181 getRepo().getSessionContext().getLog().dump(getClass(), Info, "None of changesets [%d..%d] have associated manifest revision", csetFirst, csetLast);
390
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
182 // we ran through all revisions in [start..end] and none of them had manifest.
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
183 // we reported that to inspector and proceeding is done now.
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
184 return;
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
185 }
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
186 i = 0;
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
187 do {
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
188 manifestLast = fromChangelog(csetLast-i);
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 390
diff changeset
189 if (manifestLast == BAD_REVISION) {
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 421
diff changeset
190 inspector.begin(NO_REVISION, NULL, csetLast-i);
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 421
diff changeset
191 inspector.end(NO_REVISION);
390
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
192 }
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
193 i++;
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 390
diff changeset
194 } while (manifestLast == BAD_REVISION && csetLast-i >= csetFirst);
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 390
diff changeset
195 if (manifestLast == BAD_REVISION) {
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 421
diff changeset
196 // hmm, manifestFirst != BAD_REVISION here, hence there's i from [csetFirst..csetLast] for which manifest entry exists,
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 421
diff changeset
197 // and thus it's impossible to run into manifestLast == BAD_REVISION. Nevertheless, never hurts to check.
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 421
diff changeset
198 throw new HgInvalidStateException(String.format("Manifest %d-%d(!) for cset range [%d..%d] ", manifestFirst, manifestLast, csetFirst, csetLast));
390
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
199 }
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
200 if (manifestLast < manifestFirst) {
300
650b45d290b1 Share range check code
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 285
diff changeset
201 // there are tool-constructed repositories that got order of changeset revisions completely different from that of manifest
390
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
202 int x = manifestLast;
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
203 manifestLast = manifestFirst;
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
204 manifestFirst = x;
300
650b45d290b1 Share range check code
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 285
diff changeset
205 }
571
e4ee4bf4c7d0 Let session context control creation of Path instances
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 550
diff changeset
206 content.iterate(manifestFirst, manifestLast, true, new ManifestParser(inspector));
19
40532cdc92fc Inspector (visitor) for manifest
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 16
diff changeset
207 }
218
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
208
254
a620f0663a37 Collect tags for a file - improve performance of 'sparse' manifest reads
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 232
diff changeset
209 /**
390
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
210 * "Sparse" iteration of the manifest, more effective than accessing revisions one by one.
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
211 * <p> Inspector is invoked for each changeset revision supplied, even when there's no manifest
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
212 * revision associated with a changeset (@see {@link #walk(int, int, Inspector)} for more details when it happens). Order inspector
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
213 * gets invoked doesn't resemble order of changeset revisions supplied, manifest revisions are reported in the order they appear
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
214 * in manifest revlog (with exception of changesets with missing manifest that may be reported in any order).
254
a620f0663a37 Collect tags for a file - improve performance of 'sparse' manifest reads
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 232
diff changeset
215 *
390
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
216 * @param inspector manifest revision visitor, can't be <code>null</code>
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
217 * @param revisionIndexes local indexes of changesets to visit, non-<code>null</code>
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 421
diff changeset
218 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 421
diff changeset
219 * @throws InvalidArgumentException if supplied arguments are <code>null</code>s
254
a620f0663a37 Collect tags for a file - improve performance of 'sparse' manifest reads
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 232
diff changeset
220 */
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 421
diff changeset
221 public void walk(final Inspector inspector, int... revisionIndexes) throws HgRuntimeException, IllegalArgumentException {
367
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 366
diff changeset
222 if (inspector == null || revisionIndexes == null) {
254
a620f0663a37 Collect tags for a file - improve performance of 'sparse' manifest reads
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 232
diff changeset
223 throw new IllegalArgumentException();
a620f0663a37 Collect tags for a file - improve performance of 'sparse' manifest reads
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 232
diff changeset
224 }
390
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
225 int[] manifestRevs = toManifestRevisionIndexes(revisionIndexes, inspector);
571
e4ee4bf4c7d0 Let session context control creation of Path instances
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 550
diff changeset
226 content.iterate(manifestRevs, true, new ManifestParser(inspector));
254
a620f0663a37 Collect tags for a file - improve performance of 'sparse' manifest reads
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 232
diff changeset
227 }
a620f0663a37 Collect tags for a file - improve performance of 'sparse' manifest reads
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 232
diff changeset
228
390
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
229 //
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
230 /**
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 390
diff changeset
231 * Tells manifest revision number that corresponds to the given changeset. May return {@link HgRepository#BAD_REVISION}
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 390
diff changeset
232 * if changeset has no associated manifest (cset records NULL nodeid for manifest).
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 390
diff changeset
233 * @return manifest revision index, non-negative, or {@link HgRepository#BAD_REVISION}.
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 390
diff changeset
234 * @throws HgInvalidRevisionException if method argument specifies non-existent revision index
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 390
diff changeset
235 * @throws HgInvalidControlFileException if access to revlog index/data entry failed
390
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
236 */
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 390
diff changeset
237 /*package-local*/ int fromChangelog(int changesetRevisionIndex) throws HgInvalidRevisionException, HgInvalidControlFileException {
368
8107b95f4280 Update Javadoc with 'revision index'
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 367
diff changeset
238 if (HgInternals.wrongRevisionIndex(changesetRevisionIndex)) {
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
239 throw new HgInvalidRevisionException(changesetRevisionIndex);
218
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
240 }
368
8107b95f4280 Update Javadoc with 'revision index'
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 367
diff changeset
241 if (changesetRevisionIndex == HgRepository.WORKING_COPY || changesetRevisionIndex == HgRepository.BAD_REVISION) {
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
242 throw new HgInvalidRevisionException("Can't use constants like WORKING_COPY or BAD_REVISION", null, changesetRevisionIndex);
257
f39fb6b3cc76 Handle revision constants correctly
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 254
diff changeset
243 }
f39fb6b3cc76 Handle revision constants correctly
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 254
diff changeset
244 // revisionNumber == TIP is processed by RevisionMapper
218
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
245 if (revisionMap == null) {
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
246 revisionMap = new RevisionMapper(getRepo());
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
247 content.iterate(0, TIP, false, revisionMap);
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
248 }
368
8107b95f4280 Update Javadoc with 'revision index'
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 367
diff changeset
249 return revisionMap.at(changesetRevisionIndex);
218
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
250 }
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
251
232
b7347daa50e3 Allow to cat a file with changeset revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 222
diff changeset
252 /**
b7347daa50e3 Allow to cat a file with changeset revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 222
diff changeset
253 * Extracts file revision as it was known at the time of given changeset.
426
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
254 * <p>For more thorough details about file at specific changeset, use {@link HgChangesetFileSneaker}.
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
255 * <p>To visit few changesets for the same file, use {@link #walkFileRevisions(Path, Inspector, int...)}
232
b7347daa50e3 Allow to cat a file with changeset revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 222
diff changeset
256 *
426
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
257 * @see #walkFileRevisions(Path, Inspector, int...)
417
ccd7d25e5aea New and better name for HgFileInformer - HgChangesetFileSneaker. Explain (comments) ties between HgManifest, HgDataFile, HgChangesetFileSneaker and reasons for method placement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 415
diff changeset
258 * @see HgChangesetFileSneaker
367
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 366
diff changeset
259 * @param changelogRevisionIndex local changeset index
232
b7347daa50e3 Allow to cat a file with changeset revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 222
diff changeset
260 * @param file path to file in question
b7347daa50e3 Allow to cat a file with changeset revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 222
diff changeset
261 * @return file revision or <code>null</code> if manifest at specified revision doesn't list such file
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
262 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
232
b7347daa50e3 Allow to cat a file with changeset revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 222
diff changeset
263 */
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 390
diff changeset
264 public Nodeid getFileRevision(int changelogRevisionIndex, final Path file) throws HgInvalidRevisionException, HgInvalidControlFileException {
417
ccd7d25e5aea New and better name for HgFileInformer - HgChangesetFileSneaker. Explain (comments) ties between HgManifest, HgDataFile, HgChangesetFileSneaker and reasons for method placement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 415
diff changeset
265 // there's no need for HgDataFile to own this method, or get a delegate
ccd7d25e5aea New and better name for HgFileInformer - HgChangesetFileSneaker. Explain (comments) ties between HgManifest, HgDataFile, HgChangesetFileSneaker and reasons for method placement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 415
diff changeset
266 // as most of HgDataFile API is using file revision indexes, and there's easy step from file revision index to
ccd7d25e5aea New and better name for HgFileInformer - HgChangesetFileSneaker. Explain (comments) ties between HgManifest, HgDataFile, HgChangesetFileSneaker and reasons for method placement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 415
diff changeset
267 // both file revision and changeset revision index. But there's no easy way to go from changesetRevisionIndex to
547
66fc86e8c0dd #getFileRevision() shall accept TIP as an argument
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 537
diff changeset
268 // file revision (the task this method solves), except for HgFileInformer
417
ccd7d25e5aea New and better name for HgFileInformer - HgChangesetFileSneaker. Explain (comments) ties between HgManifest, HgDataFile, HgChangesetFileSneaker and reasons for method placement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 415
diff changeset
269 // I feel methods dealing with changeset indexes shall be more exposed in HgChangelog and HgManifest API.
547
66fc86e8c0dd #getFileRevision() shall accept TIP as an argument
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 537
diff changeset
270 // TODO need tests (e.g. pass TIP here to see resMap.get(-1) doesn't fail)
426
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
271 int manifestRevIndex = fromChangelog(changelogRevisionIndex);
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
272 if (manifestRevIndex == BAD_REVISION) {
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
273 return null;
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
274 }
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
275 IntMap<Nodeid> resMap = new IntMap<Nodeid>(3);
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
276 FileLookupInspector parser = new FileLookupInspector(encodingHelper, file, resMap, null);
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
277 parser.walk(manifestRevIndex, content);
550
c1478cc31f45 Regression: expect file to be missing in a manifest
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 547
diff changeset
278 assert resMap.size() <= 1; // size() == 0 if file wasn't found
547
66fc86e8c0dd #getFileRevision() shall accept TIP as an argument
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 537
diff changeset
279 // can't use changelogRevisionIndex as key - it might have been TIP
550
c1478cc31f45 Regression: expect file to be missing in a manifest
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 547
diff changeset
280 return resMap.size() == 0 ? null : resMap.get(resMap.firstKey());
326
d42a45a2c9d6 Alternative tag collection approach for a file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 324
diff changeset
281 }
426
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
282
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
283 /**
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
284 * Visit file revisions as they were recorded at the time of given changesets. Same file revision may be reported as many times as
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
285 * there are changesets that refer to that revision. Both {@link Inspector#begin(int, Nodeid, int)} and {@link Inspector#end(int)}
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
286 * with appropriate values are invoked around {@link Inspector#next(Nodeid, Path, Flags)} call for the supplied file
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
287 *
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
288 * <p>NOTE, this method doesn't respect return values from callback (i.e. to stop iteration), as it's lookup of a single file
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
289 * and canceling it seems superfluous. However, this may change in future and it's recommended to return <code>true</code> from
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
290 * all {@link Inspector} methods.
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
291 *
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
292 * @see #getFileRevision(int, Path)
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
293 * @param file path of interest
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
294 * @param inspector callback to receive details about selected file
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
295 * @param changelogRevisionIndexes changeset indexes to visit
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
296 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
297 */
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
298 public void walkFileRevisions(Path file, Inspector inspector, int... changelogRevisionIndexes) throws HgRuntimeException {
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
299 if (file == null || inspector == null || changelogRevisionIndexes == null) {
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
300 throw new IllegalArgumentException();
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
301 }
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
302 // TODO [post-1.0] need tests. There's Main#checkWalkFileRevisions that may be a starting point
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
303 int[] manifestRevIndexes = toManifestRevisionIndexes(changelogRevisionIndexes, null);
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
304 FileLookupInspector parser = new FileLookupInspector(encodingHelper, file, inspector);
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
305 parser.walk(manifestRevIndexes, content);
232
b7347daa50e3 Allow to cat a file with changeset revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 222
diff changeset
306 }
326
d42a45a2c9d6 Alternative tag collection approach for a file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 324
diff changeset
307
415
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
308 /**
417
ccd7d25e5aea New and better name for HgFileInformer - HgChangesetFileSneaker. Explain (comments) ties between HgManifest, HgDataFile, HgChangesetFileSneaker and reasons for method placement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 415
diff changeset
309 * Extract file {@link Flags flags} as they were recorded in appropriate manifest version.
ccd7d25e5aea New and better name for HgFileInformer - HgChangesetFileSneaker. Explain (comments) ties between HgManifest, HgDataFile, HgChangesetFileSneaker and reasons for method placement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 415
diff changeset
310 *
ccd7d25e5aea New and better name for HgFileInformer - HgChangesetFileSneaker. Explain (comments) ties between HgManifest, HgDataFile, HgChangesetFileSneaker and reasons for method placement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 415
diff changeset
311 * @see HgDataFile#getFlags(int)
415
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
312 * @param changesetRevIndex changeset revision index
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
313 * @param file path to look up
417
ccd7d25e5aea New and better name for HgFileInformer - HgChangesetFileSneaker. Explain (comments) ties between HgManifest, HgDataFile, HgChangesetFileSneaker and reasons for method placement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 415
diff changeset
314 * @return one of predefined enum values, or <code>null</code> if file was not known in the specified revision
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
315 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
415
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
316 */
417
ccd7d25e5aea New and better name for HgFileInformer - HgChangesetFileSneaker. Explain (comments) ties between HgManifest, HgDataFile, HgChangesetFileSneaker and reasons for method placement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 415
diff changeset
317 public Flags getFileFlags(int changesetRevIndex, Path file) throws HgInvalidRevisionException, HgInvalidControlFileException {
415
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
318 int manifestRevIdx = fromChangelog(changesetRevIndex);
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
319 IntMap<Flags> resMap = new IntMap<Flags>(2);
426
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
320 FileLookupInspector parser = new FileLookupInspector(encodingHelper, file, null, resMap);
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
321 parser.walk(manifestRevIdx, content);
550
c1478cc31f45 Regression: expect file to be missing in a manifest
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 547
diff changeset
322 assert resMap.size() <= 1; // size() == 0 if not found
547
66fc86e8c0dd #getFileRevision() shall accept TIP as an argument
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 537
diff changeset
323 // can't use changesetRevIndex as key - it might have been TIP
550
c1478cc31f45 Regression: expect file to be missing in a manifest
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 547
diff changeset
324 return resMap.size() == 0 ? null : resMap.get(resMap.firstKey());
415
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
325 }
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
326
326
d42a45a2c9d6 Alternative tag collection approach for a file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 324
diff changeset
327
390
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
328 /**
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
329 * @param changelogRevisionIndexes non-null
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
330 * @param inspector may be null if reporting of missing manifests is not needed
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 390
diff changeset
331 * @throws HgInvalidRevisionException if arguments specify non-existent revision index
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 390
diff changeset
332 * @throws IllegalArgumentException if any index argument is not a revision index
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 390
diff changeset
333 * @throws HgInvalidControlFileException if access to revlog index/data entry failed
390
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
334 */
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 390
diff changeset
335 private int[] toManifestRevisionIndexes(int[] changelogRevisionIndexes, Inspector inspector) throws HgInvalidRevisionException, HgInvalidControlFileException {
368
8107b95f4280 Update Javadoc with 'revision index'
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 367
diff changeset
336 int[] manifestRevs = new int[changelogRevisionIndexes.length];
326
d42a45a2c9d6 Alternative tag collection approach for a file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 324
diff changeset
337 boolean needsSort = false;
390
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
338 int j = 0;
367
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 366
diff changeset
339 for (int i = 0; i < changelogRevisionIndexes.length; i++) {
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 366
diff changeset
340 final int manifestRevisionIndex = fromChangelog(changelogRevisionIndexes[i]);
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 390
diff changeset
341 if (manifestRevisionIndex == BAD_REVISION) {
390
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
342 if (inspector != null) {
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 421
diff changeset
343 inspector.begin(NO_REVISION, NULL, changelogRevisionIndexes[i]);
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 421
diff changeset
344 inspector.end(NO_REVISION);
390
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
345 }
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
346 // othrwise, ignore changeset without manifest
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
347 } else {
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
348 manifestRevs[j] = manifestRevisionIndex;
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
349 if (j > 0 && manifestRevs[j-1] > manifestRevisionIndex) {
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
350 needsSort = true;
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
351 }
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
352 j++;
326
d42a45a2c9d6 Alternative tag collection approach for a file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 324
diff changeset
353 }
d42a45a2c9d6 Alternative tag collection approach for a file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 324
diff changeset
354 }
d42a45a2c9d6 Alternative tag collection approach for a file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 324
diff changeset
355 if (needsSort) {
390
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
356 Arrays.sort(manifestRevs, 0, j);
326
d42a45a2c9d6 Alternative tag collection approach for a file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 324
diff changeset
357 }
390
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
358 if (j == manifestRevs.length) {
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
359 return manifestRevs;
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
360 } else {
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
361 int[] rv = new int[j];
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
362 //Arrays.copyOfRange
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
363 System.arraycopy(manifestRevs, 0, rv, 0, j);
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
364 return rv;
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 385
diff changeset
365 }
326
d42a45a2c9d6 Alternative tag collection approach for a file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 324
diff changeset
366 }
d42a45a2c9d6 Alternative tag collection approach for a file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 324
diff changeset
367
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 421
diff changeset
368 @Callback
19
40532cdc92fc Inspector (visitor) for manifest
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 16
diff changeset
369 public interface Inspector {
285
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
370 /**
537
5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
diff changeset
371 * Denotes entering specific manifest revision, separate entries are
5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
diff changeset
372 * reported with subsequence {@link #next(Nodeid, Path, Flags)} calls.
5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
diff changeset
373 *
5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
diff changeset
374 * @param mainfestRevisionIndex local revision index of the inspected revision
5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
diff changeset
375 * @param manifestRevision revision of the manifest we're about to iterate through
5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
diff changeset
376 * @param changelogRevisionIndex local revision index of changelog this manifest points to
5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
diff changeset
377 * @return <code>true</code> to continue iteration, <code>false</code> to stop
5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
diff changeset
378 */
5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
diff changeset
379 boolean begin(int mainfestRevisionIndex, Nodeid manifestRevision, int changelogRevisionIndex);
5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
diff changeset
380
5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
diff changeset
381
5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
diff changeset
382 /**
5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
diff changeset
383 * Reports each manifest entry
5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
diff changeset
384 *
415
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
385 * @param nid file revision
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
386 * @param fname file name
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
387 * @param flags one of {@link HgManifest.Flags} constants, not <code>null</code>
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
388 * @return <code>true</code> to continue iteration, <code>false</code> to stop
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
389 */
285
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
390 boolean next(Nodeid nid, Path fname, Flags flags);
537
5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
diff changeset
391
5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
diff changeset
392 /**
5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
diff changeset
393 * Denotes leaving specific manifest revision, after all entries were reported using {@link #next(Nodeid, Path, Flags)}
5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
diff changeset
394 *
5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
diff changeset
395 * @param manifestRevisionIndex indicates manifest revision, corresponds to opening {@link #begin(int, Nodeid, int)}
5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
diff changeset
396 * @return <code>true</code> to continue iteration, <code>false</code> to stop
5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
diff changeset
397 */
5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
diff changeset
398 boolean end(int manifestRevisionIndex);
267
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
399 }
424
6437d261048a Deprecated code removed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 423
diff changeset
400
268
c5980f287cc4 Use StringProxy when parsing manifest to minimize number of useless conversions and array instances
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 267
diff changeset
401 /**
c5980f287cc4 Use StringProxy when parsing manifest to minimize number of useless conversions and array instances
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 267
diff changeset
402 * When Pool uses Strings directly,
c5980f287cc4 Use StringProxy when parsing manifest to minimize number of useless conversions and array instances
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 267
diff changeset
403 * ManifestParser creates new String instance with new char[] value, and does byte->char conversion.
c5980f287cc4 Use StringProxy when parsing manifest to minimize number of useless conversions and array instances
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 267
diff changeset
404 * For cpython repo, walk(0..10k), there are over 16 million filenames, of them only 3020 unique.
c5980f287cc4 Use StringProxy when parsing manifest to minimize number of useless conversions and array instances
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 267
diff changeset
405 * This means there are 15.9 million useless char[] instances and byte->char conversions
c5980f287cc4 Use StringProxy when parsing manifest to minimize number of useless conversions and array instances
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 267
diff changeset
406 *
285
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
407 * When String (Path) is wrapped into {@link PathProxy}, there's extra overhead of byte[] representation
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
408 * of the String, but these are only for unique Strings (Paths) (3020 in the example above). Besides, I save
268
c5980f287cc4 Use StringProxy when parsing manifest to minimize number of useless conversions and array instances
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 267
diff changeset
409 * useless char[] and byte->char conversions.
c5980f287cc4 Use StringProxy when parsing manifest to minimize number of useless conversions and array instances
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 267
diff changeset
410 */
571
e4ee4bf4c7d0 Let session context control creation of Path instances
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 550
diff changeset
411 private final class PathProxy {
267
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
412 private byte[] data;
268
c5980f287cc4 Use StringProxy when parsing manifest to minimize number of useless conversions and array instances
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 267
diff changeset
413 private int start;
c5980f287cc4 Use StringProxy when parsing manifest to minimize number of useless conversions and array instances
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 267
diff changeset
414 private final int hash, length;
285
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
415 private Path result;
267
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
416
571
e4ee4bf4c7d0 Let session context control creation of Path instances
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 550
diff changeset
417 public PathProxy(byte[] data, int start, int length) {
267
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
418 this.data = data;
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
419 this.start = start;
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
420 this.length = length;
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
421
268
c5980f287cc4 Use StringProxy when parsing manifest to minimize number of useless conversions and array instances
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 267
diff changeset
422 // copy from String.hashCode(). In fact, not necessarily match result of String(data).hashCode
c5980f287cc4 Use StringProxy when parsing manifest to minimize number of useless conversions and array instances
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 267
diff changeset
423 // just need some nice algorithm here
267
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
424 int h = 0;
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
425 byte[] d = data;
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
426 for (int i = 0, off = start, len = length; i < len; i++) {
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
427 h = 31 * h + d[off++];
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
428 }
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
429 hash = h;
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
430 }
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
431
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
432 @Override
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
433 public boolean equals(Object obj) {
285
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
434 if (false == obj instanceof PathProxy) {
267
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
435 return false;
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
436 }
285
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
437 PathProxy o = (PathProxy) obj;
267
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
438 if (o.result != null && result != null) {
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
439 return result.equals(o.result);
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
440 }
268
c5980f287cc4 Use StringProxy when parsing manifest to minimize number of useless conversions and array instances
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 267
diff changeset
441 if (o.length != length || o.hash != hash) {
267
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
442 return false;
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
443 }
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
444 for (int i = 0, x = o.start, y = start; i < length; i++) {
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
445 if (o.data[x++] != data[y++]) {
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
446 return false;
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
447 }
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
448 }
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
449 return true;
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
450 }
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
451 @Override
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
452 public int hashCode() {
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
453 return hash;
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
454 }
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
455
285
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
456 public Path freeze() {
267
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
457 if (result == null) {
574
88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 571
diff changeset
458 Path.Source pf = HgManifest.this.pathFactory;
88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 571
diff changeset
459 result = pf.path(HgManifest.this.encodingHelper.fromManifest(data, start, length));
268
c5980f287cc4 Use StringProxy when parsing manifest to minimize number of useless conversions and array instances
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 267
diff changeset
460 // release reference to bigger data array, make a copy of relevant part only
285
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
461 // use original bytes, not those from String above to avoid cache misses due to different encodings
268
c5980f287cc4 Use StringProxy when parsing manifest to minimize number of useless conversions and array instances
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 267
diff changeset
462 byte[] d = new byte[length];
c5980f287cc4 Use StringProxy when parsing manifest to minimize number of useless conversions and array instances
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 267
diff changeset
463 System.arraycopy(data, start, d, 0, length);
c5980f287cc4 Use StringProxy when parsing manifest to minimize number of useless conversions and array instances
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 267
diff changeset
464 data = d;
c5980f287cc4 Use StringProxy when parsing manifest to minimize number of useless conversions and array instances
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 267
diff changeset
465 start = 0;
267
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
466 }
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
467 return result;
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
468 }
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
469 }
196
e2115da4cf6a Pool objects to avoid memory polution with duplicates
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
470
571
e4ee4bf4c7d0 Let session context control creation of Path instances
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 550
diff changeset
471 private class ManifestParser implements RevlogStream.Inspector, Lifecycle {
196
e2115da4cf6a Pool objects to avoid memory polution with duplicates
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
472 private final Inspector inspector;
431
12f668401613 FIXMEs: awkward API refactored, what need to be internal got hidden; public aspects got captured in slim interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 426
diff changeset
473 private IdentityPool<Nodeid> nodeidPool, thisRevPool;
12f668401613 FIXMEs: awkward API refactored, what need to be internal got hidden; public aspects got captured in slim interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 426
diff changeset
474 private final IdentityPool<PathProxy> fnamePool;
266
0a2f445de774 Improve manifest parsing: reduce number of arrays instantiated for Nodeid
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 264
diff changeset
475 private byte[] nodeidLookupBuffer = new byte[20]; // get reassigned each time new Nodeid is added to pool
312
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 304
diff changeset
476 private final ProgressSupport progressHelper;
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 304
diff changeset
477 private IterateControlMediator iterateControl;
262
3dcd3dd90c77 Improve manifest parsing: decode bytes to chars once, minimize arraycopy on String instantiation, keep set of file revisions from previous manifest only
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 257
diff changeset
478
571
e4ee4bf4c7d0 Let session context control creation of Path instances
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 550
diff changeset
479 public ManifestParser(Inspector delegate) {
196
e2115da4cf6a Pool objects to avoid memory polution with duplicates
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
480 assert delegate != null;
e2115da4cf6a Pool objects to avoid memory polution with duplicates
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
481 inspector = delegate;
431
12f668401613 FIXMEs: awkward API refactored, what need to be internal got hidden; public aspects got captured in slim interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 426
diff changeset
482 nodeidPool = new IdentityPool<Nodeid>();
12f668401613 FIXMEs: awkward API refactored, what need to be internal got hidden; public aspects got captured in slim interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 426
diff changeset
483 fnamePool = new IdentityPool<PathProxy>();
12f668401613 FIXMEs: awkward API refactored, what need to be internal got hidden; public aspects got captured in slim interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 426
diff changeset
484 thisRevPool = new IdentityPool<Nodeid>();
312
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 304
diff changeset
485 progressHelper = ProgressSupport.Factory.get(delegate);
196
e2115da4cf6a Pool objects to avoid memory polution with duplicates
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
486 }
268
c5980f287cc4 Use StringProxy when parsing manifest to minimize number of useless conversions and array instances
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 267
diff changeset
487
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 421
diff changeset
488 public void next(int revisionNumber, int actualLen, int baseRevision, int linkRevision, int parent1Revision, int parent2Revision, byte[] nodeid, DataAccess da) {
196
e2115da4cf6a Pool objects to avoid memory polution with duplicates
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
489 try {
312
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 304
diff changeset
490 if (!inspector.begin(revisionNumber, new Nodeid(nodeid, true), linkRevision)) {
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 304
diff changeset
491 iterateControl.stop();
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 304
diff changeset
492 return;
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 304
diff changeset
493 }
372
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 368
diff changeset
494 if (!da.isEmpty()) {
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 368
diff changeset
495 // although unlikely, manifest entry may be empty, when all files have been deleted from the repository
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 368
diff changeset
496 Path fname = null;
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 368
diff changeset
497 Flags flags = null;
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 368
diff changeset
498 Nodeid nid = null;
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 368
diff changeset
499 int i;
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 368
diff changeset
500 byte[] data = da.byteArray();
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 368
diff changeset
501 for (i = 0; i < actualLen; i++) {
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 368
diff changeset
502 int x = i;
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 368
diff changeset
503 for( ; data[i] != '\n' && i < actualLen; i++) {
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 368
diff changeset
504 if (fname == null && data[i] == 0) {
571
e4ee4bf4c7d0 Let session context control creation of Path instances
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 550
diff changeset
505 PathProxy px = fnamePool.unify(new PathProxy(data, x, i - x));
372
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 368
diff changeset
506 // if (cached = fnamePool.unify(px))== px then cacheMiss, else cacheHit
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 368
diff changeset
507 // cpython 0..10k: hits: 15 989 152, misses: 3020
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 368
diff changeset
508 fname = px.freeze();
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 368
diff changeset
509 x = i+1;
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 368
diff changeset
510 }
196
e2115da4cf6a Pool objects to avoid memory polution with duplicates
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
511 }
372
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 368
diff changeset
512 if (i < actualLen) {
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 368
diff changeset
513 assert data[i] == '\n';
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 368
diff changeset
514 int nodeidLen = i - x < 40 ? i-x : 40; // if > 40, there are flags
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 368
diff changeset
515 DigestHelper.ascii2bin(data, x, nodeidLen, nodeidLookupBuffer); // ignore return value as it's unlikely to have NULL in manifest
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 368
diff changeset
516 nid = new Nodeid(nodeidLookupBuffer, false); // this Nodeid is for pool lookup only, mock object
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 368
diff changeset
517 Nodeid cached = nodeidPool.unify(nid);
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 368
diff changeset
518 if (cached == nid) {
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 368
diff changeset
519 // buffer now belongs to the cached nodeid
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 368
diff changeset
520 nodeidLookupBuffer = new byte[20];
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 368
diff changeset
521 } else {
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 368
diff changeset
522 nid = cached; // use existing version, discard the lookup object
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 368
diff changeset
523 } // for cpython 0..10k, cache hits are 15 973 301, vs 18871 misses.
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 368
diff changeset
524 thisRevPool.record(nid); // memorize revision for the next iteration.
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 368
diff changeset
525 if (nodeidLen + x < i) {
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 368
diff changeset
526 // 'x' and 'l' for executable bits and symlinks?
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 368
diff changeset
527 // hg --debug manifest shows 644 for each regular file in my repo
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 368
diff changeset
528 // for cpython 0..10k, there are 4361062 flag checks, and there's only 1 unique flag
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 368
diff changeset
529 flags = Flags.parse(data, x + nodeidLen, i-x-nodeidLen);
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 368
diff changeset
530 } else {
415
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
531 flags = Flags.RegularFile;
372
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 368
diff changeset
532 }
424
6437d261048a Deprecated code removed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 423
diff changeset
533 boolean good2go = inspector.next(nid, fname, flags);
372
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 368
diff changeset
534 if (!good2go) {
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 368
diff changeset
535 iterateControl.stop();
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 368
diff changeset
536 return;
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 368
diff changeset
537 }
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 368
diff changeset
538 }
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 368
diff changeset
539 nid = null;
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 368
diff changeset
540 fname = null;
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 368
diff changeset
541 flags = null;
196
e2115da4cf6a Pool objects to avoid memory polution with duplicates
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
542 }
e2115da4cf6a Pool objects to avoid memory polution with duplicates
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
543 }
312
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 304
diff changeset
544 if (!inspector.end(revisionNumber)) {
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 304
diff changeset
545 iterateControl.stop();
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 304
diff changeset
546 return;
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 304
diff changeset
547 }
262
3dcd3dd90c77 Improve manifest parsing: decode bytes to chars once, minimize arraycopy on String instantiation, keep set of file revisions from previous manifest only
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 257
diff changeset
548 //
3dcd3dd90c77 Improve manifest parsing: decode bytes to chars once, minimize arraycopy on String instantiation, keep set of file revisions from previous manifest only
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 257
diff changeset
549 // keep only actual file revisions, found at this version
3dcd3dd90c77 Improve manifest parsing: decode bytes to chars once, minimize arraycopy on String instantiation, keep set of file revisions from previous manifest only
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 257
diff changeset
550 // (next manifest is likely to refer to most of them, although in specific cases
3dcd3dd90c77 Improve manifest parsing: decode bytes to chars once, minimize arraycopy on String instantiation, keep set of file revisions from previous manifest only
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 257
diff changeset
551 // like commit in another branch a lot may be useless)
3dcd3dd90c77 Improve manifest parsing: decode bytes to chars once, minimize arraycopy on String instantiation, keep set of file revisions from previous manifest only
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 257
diff changeset
552 nodeidPool.clear();
431
12f668401613 FIXMEs: awkward API refactored, what need to be internal got hidden; public aspects got captured in slim interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 426
diff changeset
553 IdentityPool<Nodeid> t = nodeidPool;
262
3dcd3dd90c77 Improve manifest parsing: decode bytes to chars once, minimize arraycopy on String instantiation, keep set of file revisions from previous manifest only
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 257
diff changeset
554 nodeidPool = thisRevPool;
264
6bb5e7ed051a Optimize memory usage (reduce number of objects instantiated) when pooling file names and nodeids during manifest parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 262
diff changeset
555 thisRevPool = t;
313
c1e3c18fd2f2 Test manifest cancellation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 312
diff changeset
556 iterateControl.checkCancelled();
312
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 304
diff changeset
557 progressHelper.worked(1);
196
e2115da4cf6a Pool objects to avoid memory polution with duplicates
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
558 } catch (IOException ex) {
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 421
diff changeset
559 throw new HgInvalidControlFileException("Failed reading manifest", ex, null).setRevisionIndex(revisionNumber);
196
e2115da4cf6a Pool objects to avoid memory polution with duplicates
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
560 }
e2115da4cf6a Pool objects to avoid memory polution with duplicates
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
561 }
312
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 304
diff changeset
562
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 304
diff changeset
563 public void start(int count, Callback callback, Object token) {
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 304
diff changeset
564 CancelSupport cs = CancelSupport.Factory.get(inspector, null);
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 304
diff changeset
565 iterateControl = new IterateControlMediator(cs, callback);
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 304
diff changeset
566 progressHelper.start(count);
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 304
diff changeset
567 }
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 304
diff changeset
568
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 304
diff changeset
569 public void finish(Object token) {
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 304
diff changeset
570 progressHelper.done();
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 304
diff changeset
571 }
196
e2115da4cf6a Pool objects to avoid memory polution with duplicates
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
572 }
218
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
573
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
574 private static class RevisionMapper implements RevlogStream.Inspector, Lifecycle {
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
575
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 390
diff changeset
576 private final int changelogRevisionCount;
218
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
577 private int[] changelog2manifest;
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
578 private final HgRepository repo;
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
579
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
580 public RevisionMapper(HgRepository hgRepo) {
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
581 repo = hgRepo;
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 390
diff changeset
582 changelogRevisionCount = repo.getChangelog().getRevisionCount();
218
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
583 }
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
584
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 390
diff changeset
585 /**
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 390
diff changeset
586 * Get index of manifest revision that corresponds to specified changeset
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 390
diff changeset
587 * @param changesetRevisionIndex non-negative index of changelog revision, or {@link HgRepository#TIP}
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 390
diff changeset
588 * @return index of manifest revision, or {@link HgRepository#BAD_REVISION} if changeset doesn't reference a valid manifest
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 390
diff changeset
589 * @throws HgInvalidRevisionException if method argument specifies non-existent revision index
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 390
diff changeset
590 */
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 390
diff changeset
591 public int at(int changesetRevisionIndex) throws HgInvalidRevisionException {
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 390
diff changeset
592 if (changesetRevisionIndex == TIP) {
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 390
diff changeset
593 changesetRevisionIndex = changelogRevisionCount - 1;
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 390
diff changeset
594 }
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 390
diff changeset
595 if (changesetRevisionIndex >= changelogRevisionCount) {
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 390
diff changeset
596 throw new HgInvalidRevisionException(changesetRevisionIndex);
257
f39fb6b3cc76 Handle revision constants correctly
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 254
diff changeset
597 }
218
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
598 if (changelog2manifest != null) {
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 390
diff changeset
599 return changelog2manifest[changesetRevisionIndex];
218
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
600 }
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 390
diff changeset
601 return changesetRevisionIndex;
218
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
602 }
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
603
324
283b294d1079 Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 321
diff changeset
604 // XXX likely can be replaced with Revlog.RevisionInspector
218
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
605 public void next(int revisionNumber, int actualLen, int baseRevision, int linkRevision, int parent1Revision, int parent2Revision, byte[] nodeid, DataAccess data) {
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
606 if (changelog2manifest != null) {
220
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 218
diff changeset
607 // next assertion is not an error, rather assumption check, which is too development-related to be explicit exception -
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 218
diff changeset
608 // I just wonder if there are manifests that have two entries pointing to single changeset. It seems unrealistic, though -
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 218
diff changeset
609 // changeset records one and only one manifest nodeid
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 390
diff changeset
610 assert changelog2manifest[linkRevision] == BAD_REVISION : String.format("revision:%d, link:%d, already linked to revision:%d", revisionNumber, linkRevision, changelog2manifest[linkRevision]);
218
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
611 changelog2manifest[linkRevision] = revisionNumber;
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
612 } else {
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
613 if (revisionNumber != linkRevision) {
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 390
diff changeset
614 changelog2manifest = new int[changelogRevisionCount];
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 390
diff changeset
615 Arrays.fill(changelog2manifest, BAD_REVISION);
218
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
616 for (int i = 0; i < revisionNumber; changelog2manifest[i] = i, i++)
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
617 ;
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
618 changelog2manifest[linkRevision] = revisionNumber;
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
619 }
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
620 }
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
621 }
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
622
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
623 public void start(int count, Callback callback, Object token) {
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 390
diff changeset
624 if (count != changelogRevisionCount) {
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 390
diff changeset
625 assert count < changelogRevisionCount; // no idea what to do if manifest has more revisions than changelog
218
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
626 // the way how manifest may contain more revisions than changelog, as I can imagine, is a result of
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
627 // some kind of an import tool (e.g. from SVN or CVS), that creates manifest and changelog independently.
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
628 // Note, it's pure guess, I didn't see such repository yet (although the way manifest revisions
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
629 // in cpython repo are numbered makes me think aforementioned way)
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 390
diff changeset
630 changelog2manifest = new int[changelogRevisionCount];
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 390
diff changeset
631 Arrays.fill(changelog2manifest, BAD_REVISION);
218
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
632 }
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
633 }
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
634
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
635 public void finish(Object token) {
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
636 if (changelog2manifest == null) {
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
637 return;
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
638 }
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
639 // I assume there'd be not too many revisions we don't know manifest of
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
640 ArrayList<Integer> undefinedChangelogRevision = new ArrayList<Integer>();
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
641 for (int i = 0; i < changelog2manifest.length; i++) {
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 390
diff changeset
642 if (changelog2manifest[i] == BAD_REVISION) {
218
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
643 undefinedChangelogRevision.add(i);
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
644 }
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
645 }
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
646 for (int u : undefinedChangelogRevision) {
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 421
diff changeset
647 Nodeid manifest = repo.getChangelog().range(u, u).get(0).manifest();
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 421
diff changeset
648 // TODO calculate those missing effectively (e.g. cache and sort nodeids to speed lookup
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 421
diff changeset
649 // right away in the #next (may refactor ParentWalker's sequential and sorted into dedicated helper and reuse here)
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 421
diff changeset
650 if (manifest.isNull()) {
490
b3c16d1aede0 Refactoring: move HgRepository's implementation aspects to Internals (which is now its imlementation counterpart and primary repository class to be used by other parts of the library)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
651 repo.getSessionContext().getLog().dump(getClass(), Severity.Warn, "Changeset %d has no associated manifest entry", u);
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 421
diff changeset
652 // keep -1 in the changelog2manifest map.
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 421
diff changeset
653 } else {
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 421
diff changeset
654 changelog2manifest[u] = repo.getManifest().getRevisionIndex(manifest);
354
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 326
diff changeset
655 }
218
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
656 }
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
657 }
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
658 }
415
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
659
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
660 /**
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
661 * Look up specified file in possibly multiple manifest revisions, collect file revision and flags.
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
662 */
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
663 private static class FileLookupInspector implements RevlogStream.Inspector {
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
664
426
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
665 private final Path filename;
415
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
666 private final byte[] filenameAsBytes;
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
667 private final IntMap<Nodeid> csetIndex2FileRev;
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
668 private final IntMap<Flags> csetIndex2Flags;
426
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
669 private final Inspector delegate;
415
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
670
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
671 public FileLookupInspector(EncodingHelper eh, Path fileToLookUp, IntMap<Nodeid> csetIndex2FileRevMap, IntMap<Flags> csetIndex2FlagsMap) {
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
672 assert fileToLookUp != null;
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
673 // need at least one map for the inspector to make any sense
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
674 assert csetIndex2FileRevMap != null || csetIndex2FlagsMap != null;
426
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
675 filename = fileToLookUp;
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
676 filenameAsBytes = eh.toManifest(fileToLookUp.toString());
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
677 delegate = null;
415
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
678 csetIndex2FileRev = csetIndex2FileRevMap;
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
679 csetIndex2Flags = csetIndex2FlagsMap;
426
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
680 }
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
681
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
682 public FileLookupInspector(EncodingHelper eh, Path fileToLookUp, Inspector delegateInspector) {
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
683 assert fileToLookUp != null;
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
684 assert delegateInspector != null;
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
685 filename = fileToLookUp;
415
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
686 filenameAsBytes = eh.toManifest(fileToLookUp.toString());
426
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
687 delegate = delegateInspector;
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
688 csetIndex2FileRev = null;
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
689 csetIndex2Flags = null;
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
690 }
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
691
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
692 void walk(int manifestRevIndex, RevlogStream content) {
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
693 content.iterate(manifestRevIndex, manifestRevIndex, true, this);
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
694 }
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
695
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
696 void walk(int[] manifestRevIndexes, RevlogStream content) {
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
697 content.iterate(manifestRevIndexes, true, this);
415
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
698 }
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
699
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 421
diff changeset
700 public void next(int revisionNumber, int actualLen, int baseRevision, int linkRevision, int parent1Revision, int parent2Revision, byte[] nodeid, DataAccess data) {
574
88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 571
diff changeset
701 ByteVector byteVector = new ByteVector(256, 128); // allocate for long paths right away
415
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
702 try {
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
703 byte b;
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
704 while (!data.isEmpty() && (b = data.readByte()) != '\n') {
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
705 if (b != 0) {
574
88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 571
diff changeset
706 byteVector.add(b);
415
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
707 } else {
574
88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 571
diff changeset
708 if (byteVector.equalsTo(filenameAsBytes)) {
426
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
709 Nodeid fileRev = null;
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
710 Flags flags = null;
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
711 if (csetIndex2FileRev != null || delegate != null) {
415
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
712 byte[] nid = new byte[40];
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
713 data.readBytes(nid, 0, 40);
426
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
714 fileRev = Nodeid.fromAscii(nid, 0, 40);
415
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
715 } else {
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
716 data.skip(40);
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
717 }
426
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
718 if (csetIndex2Flags != null || delegate != null) {
574
88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 571
diff changeset
719 byteVector.clear();
415
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
720 while (!data.isEmpty() && (b = data.readByte()) != '\n') {
574
88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 571
diff changeset
721 byteVector.add(b);
415
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
722 }
574
88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 571
diff changeset
723 if (byteVector.size() == 0) {
415
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
724 flags = Flags.RegularFile;
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
725 } else {
574
88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 571
diff changeset
726 flags = Flags.parse(byteVector.toByteArray(), 0, byteVector.size());
415
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
727 }
426
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
728 }
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
729 if (delegate != null) {
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
730 assert flags != null;
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
731 assert fileRev != null;
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
732 delegate.begin(revisionNumber, Nodeid.fromBinary(nodeid, 0), linkRevision);
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
733 delegate.next(fileRev, filename, flags);
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
734 delegate.end(revisionNumber);
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
735
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
736 } else {
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
737 if (csetIndex2FileRev != null) {
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
738 csetIndex2FileRev.put(linkRevision, fileRev);
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
739 }
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
740 if (csetIndex2Flags != null) {
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
741 csetIndex2Flags.put(linkRevision, flags);
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
742 }
415
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
743 }
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
744 break;
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
745 } else {
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
746 data.skip(40);
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
747 }
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
748 // else skip to the end of line
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
749 while (!data.isEmpty() && (b = data.readByte()) != '\n')
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
750 ;
574
88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 571
diff changeset
751
88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 571
diff changeset
752 byteVector.clear();
415
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
753 }
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
754 }
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
755 } catch (IOException ex) {
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 421
diff changeset
756 throw new HgInvalidControlFileException("Failed reading manifest", ex, null);
415
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
757 }
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
758 }
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 414
diff changeset
759 }
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
760 }