Mercurial > jhg

annotate src/org/tmatesoft/hg/repo/HgManifest.java @ 366:189dc6dc1c3e

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Use exceptions to expose errors reading mercurial data
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Fri, 16 Dec 2011 04:43:18 +0100
parents 5f9073eabf06
children 2fadf8695f8a
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 /*
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 28
diff changeset
2 * Copyright (c) 2010-2011 TMate Software Ltd
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
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
19 import static org.tmatesoft.hg.repo.HgRepository.TIP;
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
20
232
b7347daa50e3 Allow to cat a file with changeset revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 222
diff changeset
21 import java.io.ByteArrayOutputStream;
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
22 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
23 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
24 import java.util.Arrays;
326
d42a45a2c9d6 Alternative tag collection approach for a file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 324
diff changeset
25 import java.util.HashMap;
d42a45a2c9d6 Alternative tag collection approach for a file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 324
diff changeset
26 import java.util.Map;
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
27
366
189dc6dc1c3e Use exceptions to expose errors reading mercurial data
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
28 import org.tmatesoft.hg.core.HgException;
354
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 326
diff changeset
29 import org.tmatesoft.hg.core.HgInvalidControlFileException;
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 28
diff changeset
30 import org.tmatesoft.hg.core.Nodeid;
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;
232
b7347daa50e3 Allow to cat a file with changeset revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 222
diff changeset
34 import org.tmatesoft.hg.internal.Experimental;
312
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 304
diff changeset
35 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
36 import org.tmatesoft.hg.internal.Lifecycle;
304
85b8efde5586 Use memory-friendly set implementation to canonicalize filenames and nodeids
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 300
diff changeset
37 import org.tmatesoft.hg.internal.Pool2;
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;
232
b7347daa50e3 Allow to cat a file with changeset revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 222
diff changeset
40 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
41 import org.tmatesoft.hg.util.ProgressSupport;
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 28
diff changeset
42
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
43
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 *
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 28
diff changeset
46 * @author Artem Tikhomirov
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 28
diff changeset
47 * @author TMate Software Ltd.
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
48 */
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
49 public 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
50 private RevisionMapper revisionMap;
285
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
51
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
52 public enum Flags {
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
53 Exec, Link;
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
54
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
55 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
56 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
57 return Exec;
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
58 }
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
59 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
60 return Link;
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
61 }
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
62 if (flags == null) {
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
63 return null;
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
64 }
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
65 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
66 }
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
67
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
68 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
69 if (length == 0) {
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
70 return null;
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
71 }
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
72 if (length == 1) {
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
73 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
74 return Exec;
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
75 }
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
76 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
77 return Link;
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
78 }
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
79 // FALL THROUGH
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 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
82 }
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 String nativeString() {
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
85 if (this == Exec) {
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
86 return "x";
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
87 }
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
88 if (this == Link) {
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
89 return "l";
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 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
92 }
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
93 }
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
94
13
df8c67f3006a Basic manifest parsing to analyze what's in there
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
95 /*package-local*/ HgManifest(HgRepository hgRepo, RevlogStream content) {
21
e929cecae4e1 Refactor to move revlog content to base class
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 20
diff changeset
96 super(hgRepo, content);
13
df8c67f3006a Basic manifest parsing to analyze what's in there
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
97 }
df8c67f3006a Basic manifest parsing to analyze what's in there
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
98
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
99 /**
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
100 *
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
101 * @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
102 * @param end changelog (not manifest!) revision to stop, inclusive.
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
103 * @param inspector can't be <code>null</code>
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
104 */
366
189dc6dc1c3e Use exceptions to expose errors reading mercurial data
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
105 public void walk(int start, int end, final Inspector inspector) throws /*FIXME HgInvalidRevisionException,*/ HgInvalidControlFileException {
196
e2115da4cf6a Pool objects to avoid memory polution with duplicates
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
106 if (inspector == null) {
e2115da4cf6a Pool objects to avoid memory polution with duplicates
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
107 throw new IllegalArgumentException();
e2115da4cf6a Pool objects to avoid memory polution with duplicates
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
108 }
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
109 int start0 = fromChangelog(start);
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
110 int end0 = fromChangelog(end);
300
650b45d290b1 Share range check code
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 285
diff changeset
111 if (end0 < start0) {
650b45d290b1 Share range check code
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 285
diff changeset
112 // there are tool-constructed repositories that got order of changeset revisions completely different from that of manifest
650b45d290b1 Share range check code
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 285
diff changeset
113 int x = end0;
650b45d290b1 Share range check code
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 285
diff changeset
114 end0 = start0;
650b45d290b1 Share range check code
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 285
diff changeset
115 start0 = x;
650b45d290b1 Share range check code
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 285
diff changeset
116 }
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
117 content.iterate(start0, end0, true, new ManifestParser(inspector));
19
40532cdc92fc Inspector (visitor) for manifest
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 16
diff changeset
118 }
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
119
254
a620f0663a37 Collect tags for a file - improve performance of 'sparse' manifest reads
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 232
diff changeset
120 /**
a620f0663a37 Collect tags for a file - improve performance of 'sparse' manifest reads
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 232
diff changeset
121 * "Sparse" iteration of the manifest
a620f0663a37 Collect tags for a file - improve performance of 'sparse' manifest reads
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 232
diff changeset
122 *
a620f0663a37 Collect tags for a file - improve performance of 'sparse' manifest reads
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 232
diff changeset
123 * @param inspector
a620f0663a37 Collect tags for a file - improve performance of 'sparse' manifest reads
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 232
diff changeset
124 * @param localRevisions local changeset revisions to visit
a620f0663a37 Collect tags for a file - improve performance of 'sparse' manifest reads
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 232
diff changeset
125 */
366
189dc6dc1c3e Use exceptions to expose errors reading mercurial data
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
126 public void walk(final Inspector inspector, int... localRevisions) throws HgInvalidControlFileException{
254
a620f0663a37 Collect tags for a file - improve performance of 'sparse' manifest reads
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 232
diff changeset
127 if (inspector == null || localRevisions == null) {
a620f0663a37 Collect tags for a file - improve performance of 'sparse' manifest reads
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 232
diff changeset
128 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
129 }
326
d42a45a2c9d6 Alternative tag collection approach for a file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 324
diff changeset
130 int[] localManifestRevs = toLocalManifestRevisions(localRevisions);
d42a45a2c9d6 Alternative tag collection approach for a file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 324
diff changeset
131 content.iterate(localManifestRevs, 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
132 }
a620f0663a37 Collect tags for a file - improve performance of 'sparse' manifest reads
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 232
diff changeset
133
232
b7347daa50e3 Allow to cat a file with changeset revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 222
diff changeset
134 // manifest revision number that corresponds to the given changeset
366
189dc6dc1c3e Use exceptions to expose errors reading mercurial data
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
135 /*package-local*/ int fromChangelog(int revisionNumber) throws HgInvalidControlFileException {
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
136 if (HgInternals.wrongLocalRevision(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
137 throw new IllegalArgumentException(String.valueOf(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
138 }
257
f39fb6b3cc76 Handle revision constants correctly
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 254
diff changeset
139 if (revisionNumber == HgRepository.WORKING_COPY || revisionNumber == HgRepository.BAD_REVISION) {
f39fb6b3cc76 Handle revision constants correctly
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 254
diff changeset
140 throw new IllegalArgumentException("Can't use constants like WORKING_COPY or BAD_REVISION");
f39fb6b3cc76 Handle revision constants correctly
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 254
diff changeset
141 }
f39fb6b3cc76 Handle revision constants correctly
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 254
diff changeset
142 // 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
143 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
144 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
145 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
146 }
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
147 return revisionMap.at(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
148 }
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
149
232
b7347daa50e3 Allow to cat a file with changeset revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 222
diff changeset
150 /**
b7347daa50e3 Allow to cat a file with changeset revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 222
diff changeset
151 * Extracts file revision as it was known at the time of given changeset.
b7347daa50e3 Allow to cat a file with changeset revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 222
diff changeset
152 *
326
d42a45a2c9d6 Alternative tag collection approach for a file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 324
diff changeset
153 * @param localChangelogRevision local changeset index
232
b7347daa50e3 Allow to cat a file with changeset revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 222
diff changeset
154 * @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
155 * @return file revision or <code>null</code> if manifest at specified revision doesn't list such file
b7347daa50e3 Allow to cat a file with changeset revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 222
diff changeset
156 */
326
d42a45a2c9d6 Alternative tag collection approach for a file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 324
diff changeset
157 @Experimental(reason="Perhaps, HgDataFile shall own this method, or get a delegate?")
366
189dc6dc1c3e Use exceptions to expose errors reading mercurial data
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
158 public Nodeid getFileRevision(int localChangelogRevision, final Path file) throws HgInvalidControlFileException{
326
d42a45a2c9d6 Alternative tag collection approach for a file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 324
diff changeset
159 return getFileRevisions(file, localChangelogRevision).get(localChangelogRevision);
d42a45a2c9d6 Alternative tag collection approach for a file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 324
diff changeset
160 }
d42a45a2c9d6 Alternative tag collection approach for a file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 324
diff changeset
161
d42a45a2c9d6 Alternative tag collection approach for a file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 324
diff changeset
162 // XXX package-local, IntMap, and HgDataFile getFileRevisionAt(int... localChangelogRevisions)
d42a45a2c9d6 Alternative tag collection approach for a file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 324
diff changeset
163 @Experimental(reason="@see #getFileRevision")
366
189dc6dc1c3e Use exceptions to expose errors reading mercurial data
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
164 public Map<Integer, Nodeid> getFileRevisions(final Path file, int... localChangelogRevisions) throws HgInvalidControlFileException{
326
d42a45a2c9d6 Alternative tag collection approach for a file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 324
diff changeset
165 // FIXME need tests
d42a45a2c9d6 Alternative tag collection approach for a file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 324
diff changeset
166 int[] localManifestRevisions = toLocalManifestRevisions(localChangelogRevisions);
d42a45a2c9d6 Alternative tag collection approach for a file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 324
diff changeset
167 final HashMap<Integer,Nodeid> rv = new HashMap<Integer, Nodeid>(localChangelogRevisions.length);
d42a45a2c9d6 Alternative tag collection approach for a file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 324
diff changeset
168 content.iterate(localManifestRevisions, true, new RevlogStream.Inspector() {
232
b7347daa50e3 Allow to cat a file with changeset revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 222
diff changeset
169
366
189dc6dc1c3e Use exceptions to expose errors reading mercurial data
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
170 public void next(int revisionNumber, int actualLen, int baseRevision, int linkRevision, int parent1Revision, int parent2Revision, byte[] nodeid, DataAccess data) throws HgException {
232
b7347daa50e3 Allow to cat a file with changeset revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 222
diff changeset
171 ByteArrayOutputStream bos = new ByteArrayOutputStream();
b7347daa50e3 Allow to cat a file with changeset revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 222
diff changeset
172 try {
b7347daa50e3 Allow to cat a file with changeset revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 222
diff changeset
173 byte b;
b7347daa50e3 Allow to cat a file with changeset revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 222
diff changeset
174 while (!data.isEmpty() && (b = data.readByte()) != '\n') {
b7347daa50e3 Allow to cat a file with changeset revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 222
diff changeset
175 if (b != 0) {
b7347daa50e3 Allow to cat a file with changeset revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 222
diff changeset
176 bos.write(b);
b7347daa50e3 Allow to cat a file with changeset revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 222
diff changeset
177 } else {
b7347daa50e3 Allow to cat a file with changeset revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 222
diff changeset
178 String fname = new String(bos.toByteArray());
b7347daa50e3 Allow to cat a file with changeset revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 222
diff changeset
179 bos.reset();
b7347daa50e3 Allow to cat a file with changeset revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 222
diff changeset
180 if (file.toString().equals(fname)) {
b7347daa50e3 Allow to cat a file with changeset revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 222
diff changeset
181 byte[] nid = new byte[40];
b7347daa50e3 Allow to cat a file with changeset revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 222
diff changeset
182 data.readBytes(nid, 0, 40);
326
d42a45a2c9d6 Alternative tag collection approach for a file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 324
diff changeset
183 rv.put(linkRevision, Nodeid.fromAscii(nid, 0, 40));
232
b7347daa50e3 Allow to cat a file with changeset revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 222
diff changeset
184 break;
326
d42a45a2c9d6 Alternative tag collection approach for a file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 324
diff changeset
185 } else {
d42a45a2c9d6 Alternative tag collection approach for a file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 324
diff changeset
186 data.skip(40);
232
b7347daa50e3 Allow to cat a file with changeset revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 222
diff changeset
187 }
b7347daa50e3 Allow to cat a file with changeset revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 222
diff changeset
188 // else skip to the end of line
b7347daa50e3 Allow to cat a file with changeset revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 222
diff changeset
189 while (!data.isEmpty() && (b = data.readByte()) != '\n')
b7347daa50e3 Allow to cat a file with changeset revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 222
diff changeset
190 ;
b7347daa50e3 Allow to cat a file with changeset revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 222
diff changeset
191 }
b7347daa50e3 Allow to cat a file with changeset revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 222
diff changeset
192 }
b7347daa50e3 Allow to cat a file with changeset revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 222
diff changeset
193 } catch (IOException ex) {
366
189dc6dc1c3e Use exceptions to expose errors reading mercurial data
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
194 throw new HgException(ex);
232
b7347daa50e3 Allow to cat a file with changeset revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 222
diff changeset
195 }
b7347daa50e3 Allow to cat a file with changeset revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 222
diff changeset
196 }
b7347daa50e3 Allow to cat a file with changeset revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 222
diff changeset
197 });
326
d42a45a2c9d6 Alternative tag collection approach for a file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 324
diff changeset
198 return rv;
232
b7347daa50e3 Allow to cat a file with changeset revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 222
diff changeset
199 }
326
d42a45a2c9d6 Alternative tag collection approach for a file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 324
diff changeset
200
d42a45a2c9d6 Alternative tag collection approach for a file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 324
diff changeset
201
366
189dc6dc1c3e Use exceptions to expose errors reading mercurial data
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
202 private int[] toLocalManifestRevisions(int[] localChangelogRevisions) throws HgInvalidControlFileException {
326
d42a45a2c9d6 Alternative tag collection approach for a file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 324
diff changeset
203 int[] localManifestRevs = new int[localChangelogRevisions.length];
d42a45a2c9d6 Alternative tag collection approach for a file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 324
diff changeset
204 boolean needsSort = false;
d42a45a2c9d6 Alternative tag collection approach for a file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 324
diff changeset
205 for (int i = 0; i < localChangelogRevisions.length; i++) {
d42a45a2c9d6 Alternative tag collection approach for a file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 324
diff changeset
206 final int manifestLocalRev = fromChangelog(localChangelogRevisions[i]);
d42a45a2c9d6 Alternative tag collection approach for a file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 324
diff changeset
207 localManifestRevs[i] = manifestLocalRev;
d42a45a2c9d6 Alternative tag collection approach for a file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 324
diff changeset
208 if (i > 0 && localManifestRevs[i-1] > manifestLocalRev) {
d42a45a2c9d6 Alternative tag collection approach for a file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 324
diff changeset
209 needsSort = true;
d42a45a2c9d6 Alternative tag collection approach for a file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 324
diff changeset
210 }
d42a45a2c9d6 Alternative tag collection approach for a file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 324
diff changeset
211 }
d42a45a2c9d6 Alternative tag collection approach for a file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 324
diff changeset
212 if (needsSort) {
d42a45a2c9d6 Alternative tag collection approach for a file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 324
diff changeset
213 Arrays.sort(localManifestRevs);
d42a45a2c9d6 Alternative tag collection approach for a file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 324
diff changeset
214 }
d42a45a2c9d6 Alternative tag collection approach for a file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 324
diff changeset
215 return localManifestRevs;
d42a45a2c9d6 Alternative tag collection approach for a file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 324
diff changeset
216 }
d42a45a2c9d6 Alternative tag collection approach for a file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 324
diff changeset
217
19
40532cdc92fc Inspector (visitor) for manifest
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 16
diff changeset
218 public interface Inspector {
222
373e07cd3991 Due to discrepancy in manifest and changelor indexes, wrong manifest revisions got cached and compared
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
219 boolean begin(int mainfestRevision, Nodeid nid, int changelogRevision);
285
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
220 /**
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
221 * @deprecated switch to {@link Inspector2#next(Nodeid, Path, Flags)}
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
222 */
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
223 @Deprecated
19
40532cdc92fc Inspector (visitor) for manifest
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 16
diff changeset
224 boolean next(Nodeid nid, String fname, String flags);
222
373e07cd3991 Due to discrepancy in manifest and changelor indexes, wrong manifest revisions got cached and compared
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
225 boolean end(int manifestRevision);
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
226 }
267
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
227
285
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
228 @Experimental(reason="Explore Path alternative for filenames and enum for flags")
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
229 public interface Inspector2 extends Inspector {
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
230 boolean next(Nodeid nid, Path fname, Flags flags);
267
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
231 }
326
d42a45a2c9d6 Alternative tag collection approach for a file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 324
diff changeset
232
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
233 /**
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
234 * 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
235 * 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
236 * 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
237 * 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
238 *
285
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
239 * 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
240 * 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
241 * 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
242 */
285
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
243 private static 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
244 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
245 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
246 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
247 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
248
285
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
249 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
250 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
251 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
252 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
253
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
254 // 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
255 // 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
256 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
257 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
258 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
259 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
260 }
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
261 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
262 }
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
263
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
264 @Override
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
265 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
266 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
267 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
268 }
285
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
269 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
270 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
271 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
272 }
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
273 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
274 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
275 }
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
276 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
277 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
278 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
279 }
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
280 }
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
281 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
282 }
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
283 @Override
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
284 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
285 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
286 }
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
287
285
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
288 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
289 if (result == null) {
320
678e326fd27c Issue 15: Exception accessing oddly named file from history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 313
diff changeset
290 result = Path.create(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
291 // 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
292 // 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
293 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
294 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
295 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
296 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
297 }
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
298 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
299 }
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
300 }
196
e2115da4cf6a Pool objects to avoid memory polution with duplicates
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
301
312
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 304
diff changeset
302 private static 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
303 private final Inspector inspector;
285
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
304 private final Inspector2 inspector2;
304
85b8efde5586 Use memory-friendly set implementation to canonicalize filenames and nodeids
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 300
diff changeset
305 private Pool2<Nodeid> nodeidPool, thisRevPool;
85b8efde5586 Use memory-friendly set implementation to canonicalize filenames and nodeids
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 300
diff changeset
306 private final Pool2<PathProxy> fnamePool;
266
0a2f445de774 Improve manifest parsing: reduce number of arrays instantiated for Nodeid
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 264
diff changeset
307 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
308 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
309 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
310
196
e2115da4cf6a Pool objects to avoid memory polution with duplicates
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
311 public ManifestParser(Inspector delegate) {
e2115da4cf6a Pool objects to avoid memory polution with duplicates
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
312 assert delegate != null;
e2115da4cf6a Pool objects to avoid memory polution with duplicates
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
313 inspector = delegate;
285
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
314 inspector2 = delegate instanceof Inspector2 ? (Inspector2) delegate : null;
304
85b8efde5586 Use memory-friendly set implementation to canonicalize filenames and nodeids
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 300
diff changeset
315 nodeidPool = new Pool2<Nodeid>();
85b8efde5586 Use memory-friendly set implementation to canonicalize filenames and nodeids
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 300
diff changeset
316 fnamePool = new Pool2<PathProxy>();
85b8efde5586 Use memory-friendly set implementation to canonicalize filenames and nodeids
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 300
diff changeset
317 thisRevPool = new Pool2<Nodeid>();
312
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 304
diff changeset
318 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
319 }
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
320
366
189dc6dc1c3e Use exceptions to expose errors reading mercurial data
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
321 public void next(int revisionNumber, int actualLen, int baseRevision, int linkRevision, int parent1Revision, int parent2Revision, byte[] nodeid, DataAccess da) throws HgException {
196
e2115da4cf6a Pool objects to avoid memory polution with duplicates
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
322 try {
312
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 304
diff changeset
323 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
324 iterateControl.stop();
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 304
diff changeset
325 return;
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 304
diff changeset
326 }
285
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
327 Path fname = null;
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
328 Flags flags = null;
196
e2115da4cf6a Pool objects to avoid memory polution with duplicates
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
329 Nodeid nid = null;
267
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
330 int i;
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
331 byte[] data = da.byteArray();
312
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 304
diff changeset
332 for (i = 0; i < actualLen; i++) {
267
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
333 int x = i;
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
334 for( ; data[i] != '\n' && i < actualLen; i++) {
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
335 if (fname == null && data[i] == 0) {
285
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
336 PathProxy px = fnamePool.unify(new PathProxy(data, x, i - x));
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
337 // if (cached = fnamePool.unify(px))== px then cacheMiss, else cacheHit
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
338 // cpython 0..10k: hits: 15 989 152, misses: 3020
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
339 fname = px.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
340 x = i+1;
196
e2115da4cf6a Pool objects to avoid memory polution with duplicates
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
341 }
e2115da4cf6a Pool objects to avoid memory polution with duplicates
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
342 }
267
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
343 if (i < actualLen) {
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
344 assert data[i] == '\n';
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
345 int nodeidLen = i - x < 40 ? i-x : 40; // if > 40, there are flags
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
346 DigestHelper.ascii2bin(data, x, nodeidLen, nodeidLookupBuffer); // ignore return value as it's unlikely to have NULL in manifest
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
347 nid = new Nodeid(nodeidLookupBuffer, false); // this Nodeid is for pool lookup only, mock object
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
348 Nodeid cached = nodeidPool.unify(nid);
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
349 if (cached == nid) {
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
350 // buffer now belongs to the cached nodeid
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
351 nodeidLookupBuffer = new byte[20];
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
352 } else {
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
353 nid = cached; // use existing version, discard the lookup object
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
354 } // for cpython 0..10k, cache hits are 15 973 301, vs 18871 misses.
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
355 thisRevPool.record(nid); // memorize revision for the next iteration.
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
356 if (nodeidLen + x < i) {
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
357 // 'x' and 'l' for executable bits and symlinks?
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
358 // hg --debug manifest shows 644 for each regular file in my repo
285
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
359 // for cpython 0..10k, there are 4361062 flag checks, and there's only 1 unique flag
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
360 flags = Flags.parse(data, x + nodeidLen, i-x-nodeidLen);
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
361 } else {
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
362 flags = null;
267
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
363 }
312
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 304
diff changeset
364 boolean good2go;
285
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
365 if (inspector2 == null) {
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
366 String flagString = flags == null ? null : flags.nativeString();
312
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 304
diff changeset
367 good2go = inspector.next(nid, fname.toString(), flagString);
285
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
368 } else {
312
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 304
diff changeset
369 good2go = inspector2.next(nid, fname, flags);
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 304
diff changeset
370 }
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 304
diff changeset
371 if (!good2go) {
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 304
diff changeset
372 iterateControl.stop();
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 304
diff changeset
373 return;
285
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
374 }
267
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 266
diff changeset
375 }
196
e2115da4cf6a Pool objects to avoid memory polution with duplicates
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
376 nid = null;
285
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
377 fname = null;
6dbbc53fc46d Use Path instead of plain String for manifest file names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 268
diff changeset
378 flags = null;
196
e2115da4cf6a Pool objects to avoid memory polution with duplicates
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
379 }
312
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 304
diff changeset
380 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
381 iterateControl.stop();
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 304
diff changeset
382 return;
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 304
diff changeset
383 }
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
384 //
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
385 // 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
386 // (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
387 // 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
388 nodeidPool.clear();
304
85b8efde5586 Use memory-friendly set implementation to canonicalize filenames and nodeids
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 300
diff changeset
389 Pool2<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
390 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
391 thisRevPool = t;
313
c1e3c18fd2f2 Test manifest cancellation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 312
diff changeset
392 iterateControl.checkCancelled();
312
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 304
diff changeset
393 progressHelper.worked(1);
196
e2115da4cf6a Pool objects to avoid memory polution with duplicates
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
394 } catch (IOException ex) {
366
189dc6dc1c3e Use exceptions to expose errors reading mercurial data
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
395 throw new HgException(ex);
196
e2115da4cf6a Pool objects to avoid memory polution with duplicates
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
396 }
e2115da4cf6a Pool objects to avoid memory polution with duplicates
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
397 }
312
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 304
diff changeset
398
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 304
diff changeset
399 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
400 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
401 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
402 progressHelper.start(count);
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 304
diff changeset
403 }
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 304
diff changeset
404
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 304
diff changeset
405 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
406 progressHelper.done();
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 304
diff changeset
407 }
196
e2115da4cf6a Pool objects to avoid memory polution with duplicates
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
408 }
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
409
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
410 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
411
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
412 private final int changelogRevisions;
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
413 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
414 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
415
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
416 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
417 repo = 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
418 changelogRevisions = repo.getChangelog().getRevisionCount();
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
419 }
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
420
257
f39fb6b3cc76 Handle revision constants correctly
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 254
diff changeset
421 // respects TIP
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
422 public int at(int revisionNumber) {
257
f39fb6b3cc76 Handle revision constants correctly
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 254
diff changeset
423 if (revisionNumber == TIP) {
f39fb6b3cc76 Handle revision constants correctly
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 254
diff changeset
424 revisionNumber = changelogRevisions - 1;
f39fb6b3cc76 Handle revision constants correctly
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 254
diff changeset
425 }
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
426 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
427 return changelog2manifest[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
428 }
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
429 return 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
430 }
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
431
324
283b294d1079 Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 321
diff changeset
432 // 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
433 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
434 if (changelog2manifest != null) {
220
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 218
diff changeset
435 // 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
436 // 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
437 // changeset records one and only one manifest nodeid
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 218
diff changeset
438 assert changelog2manifest[linkRevision] == -1 : 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
439 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
440 } 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
441 if (revisionNumber != linkRevision) {
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
442 changelog2manifest = new int[changelogRevisions];
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
443 Arrays.fill(changelog2manifest, -1);
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
444 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
445 ;
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
446 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
447 }
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
448 }
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
449 }
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
450
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
451 public void start(int count, Callback callback, 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
452 if (count != changelogRevisions) {
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
453 assert count < changelogRevisions; // no idea what to do if manifest has more revisions than changelog
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
454 // 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
455 // 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
456 // 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
457 // in cpython repo are numbered makes me think aforementioned way)
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
458 changelog2manifest = new int[changelogRevisions];
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
459 Arrays.fill(changelog2manifest, -1);
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
460 }
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
461 }
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
462
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
463 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
464 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
465 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
466 }
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
467 // 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
468 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
469 for (int i = 0; i < changelog2manifest.length; 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
470 if (changelog2manifest[i] == -1) {
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
471 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
472 }
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
473 }
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
474 for (int u : undefinedChangelogRevision) {
354
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 326
diff changeset
475 try {
366
189dc6dc1c3e Use exceptions to expose errors reading mercurial data
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
476 Nodeid manifest = repo.getChangelog().range(u, u).get(0).manifest();
189dc6dc1c3e Use exceptions to expose errors reading mercurial data
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
477 // FIXME calculate those missing effectively (e.g. cache and sort nodeids to speed lookup
189dc6dc1c3e Use exceptions to expose errors reading mercurial data
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
478 // right away in the #next (may refactor ParentWalker's sequential and sorted into dedicated helper and reuse here)
354
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 326
diff changeset
479 changelog2manifest[u] = repo.getManifest().getLocalRevision(manifest);
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 326
diff changeset
480 } catch (HgInvalidControlFileException ex) {
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 326
diff changeset
481 // FIXME need to propagate the error up to client
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 326
diff changeset
482 repo.getContext().getLog().error(getClass(), ex, null);
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 326
diff changeset
483 }
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
484 }
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
485 }
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
486 }
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
487 }