Mercurial > hg4j

annotate src/org/tmatesoft/hg/internal/DirstateBuilder.java @ 587:a52f4cc56f9c

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Minimize vectors re-allocating when merging patches
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Fri, 26 Apr 2013 20:04:17 +0200
parents bd5926e24aa3
children 65c01508f002
rev   line source
525
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
1 /*
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
2 * Copyright (c) 2012-2013 TMate Software Ltd
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
3 *
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
4 * This program is free software; you can redistribute it and/or modify
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
5 * it under the terms of the GNU General Public License as published by
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
6 * the Free Software Foundation; version 2 of the License.
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
7 *
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
8 * This program is distributed in the hope that it will be useful,
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
11 * GNU General Public License for more details.
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
12 *
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
13 * For information on how to redistribute this software under
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
14 * the terms of a license other than GNU General Public License
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
15 * contact TMate Software at support@hg4j.com
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
16 */
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
17 package org.tmatesoft.hg.internal;
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
18
526
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
19 import java.io.File;
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
20 import java.io.FileOutputStream;
525
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
21 import java.io.IOException;
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
22 import java.nio.ByteBuffer;
526
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
23 import java.nio.channels.FileChannel;
525
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
24 import java.nio.channels.WritableByteChannel;
526
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
25 import java.util.Map;
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
26 import java.util.TreeMap;
525
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
27
526
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
28 import org.tmatesoft.hg.core.HgIOException;
525
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
29 import org.tmatesoft.hg.core.Nodeid;
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
30 import org.tmatesoft.hg.repo.HgDirstate;
526
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
31 import org.tmatesoft.hg.repo.HgDirstate.EntryKind;
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
32 import org.tmatesoft.hg.repo.HgDirstate.Record;
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
33 import org.tmatesoft.hg.repo.HgInvalidStateException;
525
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
34 import org.tmatesoft.hg.repo.HgManifest.Flags;
526
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
35 import org.tmatesoft.hg.repo.HgRepositoryFiles;
525
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
36 import org.tmatesoft.hg.util.Path;
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
37
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
38 /**
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
39 * Facility to build a dirstate file as described in {@linkplain http://mercurial.selenic.com/wiki/DirState}
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
40 *
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
41 * @see http://mercurial.selenic.com/wiki/DirState
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
42 * @see HgDirstate
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
43 * @author Artem Tikhomirov
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
44 * @author TMate Software Ltd.
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
45 */
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
46 public class DirstateBuilder {
526
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
47 private Map<Path, HgDirstate.Record> normal = new TreeMap<Path, HgDirstate.Record>();
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
48 private Map<Path, HgDirstate.Record> added = new TreeMap<Path, HgDirstate.Record>();
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
49 private Map<Path, HgDirstate.Record> removed = new TreeMap<Path, HgDirstate.Record>();
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
50 private Map<Path, HgDirstate.Record> merged = new TreeMap<Path, HgDirstate.Record>();
525
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
51 private Nodeid parent1, parent2;
526
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
52 private final Internals hgRepo;
525
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
53 private final EncodingHelper encodingHelper;
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
54
526
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
55 public DirstateBuilder(Internals internalRepo) {
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
56 hgRepo = internalRepo;
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
57 encodingHelper = internalRepo.buildFileNameEncodingHelper();
525
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
58 }
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
59
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
60 public void parents(Nodeid p1, Nodeid p2) {
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
61 parent1 = p1 == null ? Nodeid.NULL : p1;
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
62 parent2 = p2 == null ? Nodeid.NULL : p2;
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
63 }
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
64
580
bd5926e24aa3 Respect unix flags for checkout/revert
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 529
diff changeset
65 public void recordNormal(Path fname, int fmode, int mtime, int bytesWritten) {
526
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
66 forget(fname);
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
67 normal.put(fname, new HgDirstate.Record(fmode, bytesWritten, mtime, fname, null));
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
68 }
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
69
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
70 public void recordUncertain(Path fname) {
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
71 // `hg revert` puts "n 0 -1 unset" for the reverted file, so shall we
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
72 forget(fname);
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
73 normal.put(fname, new HgDirstate.Record(0, -1, -1, fname, null));
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
74 }
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
75
529
95bdcf75e71e Command to schedule addition/removal of repository files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 526
diff changeset
76 public void recordAdded(Path fname, Flags flags, int size) {
95bdcf75e71e Command to schedule addition/removal of repository files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 526
diff changeset
77 forget(fname);
95bdcf75e71e Command to schedule addition/removal of repository files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 526
diff changeset
78 added.put(fname, new HgDirstate.Record(0, -1, -1, fname, null));
95bdcf75e71e Command to schedule addition/removal of repository files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 526
diff changeset
79 }
95bdcf75e71e Command to schedule addition/removal of repository files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 526
diff changeset
80
95bdcf75e71e Command to schedule addition/removal of repository files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 526
diff changeset
81 public void recordRemoved(Path fname) {
95bdcf75e71e Command to schedule addition/removal of repository files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 526
diff changeset
82 HgDirstate.Record r = forget(fname);
95bdcf75e71e Command to schedule addition/removal of repository files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 526
diff changeset
83 HgDirstate.Record n;
95bdcf75e71e Command to schedule addition/removal of repository files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 526
diff changeset
84 if (r == null) {
95bdcf75e71e Command to schedule addition/removal of repository files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 526
diff changeset
85 n = new HgDirstate.Record(0, -1, -1, fname, null);
95bdcf75e71e Command to schedule addition/removal of repository files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 526
diff changeset
86 } else {
95bdcf75e71e Command to schedule addition/removal of repository files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 526
diff changeset
87 n = new HgDirstate.Record(r.mode(), r.size(), r.modificationTime(), fname, r.copySource());
95bdcf75e71e Command to schedule addition/removal of repository files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 526
diff changeset
88 }
95bdcf75e71e Command to schedule addition/removal of repository files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 526
diff changeset
89 removed.put(fname, n);
95bdcf75e71e Command to schedule addition/removal of repository files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 526
diff changeset
90 }
95bdcf75e71e Command to schedule addition/removal of repository files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 526
diff changeset
91
95bdcf75e71e Command to schedule addition/removal of repository files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 526
diff changeset
92 private HgDirstate.Record forget(Path fname) {
95bdcf75e71e Command to schedule addition/removal of repository files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 526
diff changeset
93 HgDirstate.Record r;
95bdcf75e71e Command to schedule addition/removal of repository files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 526
diff changeset
94 if ((r = normal.remove(fname)) != null) {
95bdcf75e71e Command to schedule addition/removal of repository files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 526
diff changeset
95 return r;
95bdcf75e71e Command to schedule addition/removal of repository files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 526
diff changeset
96 }
95bdcf75e71e Command to schedule addition/removal of repository files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 526
diff changeset
97 if ((r = added.remove(fname)) != null) {
95bdcf75e71e Command to schedule addition/removal of repository files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 526
diff changeset
98 return r;
95bdcf75e71e Command to schedule addition/removal of repository files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 526
diff changeset
99 }
95bdcf75e71e Command to schedule addition/removal of repository files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 526
diff changeset
100 if ((r = removed.remove(fname)) != null) {
95bdcf75e71e Command to schedule addition/removal of repository files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 526
diff changeset
101 return r;
95bdcf75e71e Command to schedule addition/removal of repository files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 526
diff changeset
102 }
95bdcf75e71e Command to schedule addition/removal of repository files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 526
diff changeset
103 return merged.remove(fname);
525
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
104 }
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
105
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
106 public void serialize(WritableByteChannel dest) throws IOException {
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
107 assert parent1 != null : "Parent(s) of the working directory shall be set first";
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
108 ByteBuffer bb = ByteBuffer.allocate(256);
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
109 bb.put(parent1.toByteArray());
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
110 bb.put(parent2.toByteArray());
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
111 bb.flip();
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
112 // header
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
113 int written = dest.write(bb);
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
114 if (written != bb.limit()) {
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
115 throw new IOException("Incomplete write");
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
116 }
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
117 bb.clear();
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
118 // entries
526
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
119 @SuppressWarnings("unchecked")
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
120 Map<Path, HgDirstate.Record>[] all = new Map[] {normal, added, removed, merged};
529
95bdcf75e71e Command to schedule addition/removal of repository files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 526
diff changeset
121 ByteBuffer recordTypes = ByteBuffer.allocate(4);
95bdcf75e71e Command to schedule addition/removal of repository files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 526
diff changeset
122 recordTypes.put((byte) 'n').put((byte) 'a').put((byte) 'r').put((byte) 'm').flip();
526
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
123 for (Map<Path, HgDirstate.Record> m : all) {
529
95bdcf75e71e Command to schedule addition/removal of repository files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 526
diff changeset
124 final byte recordType = recordTypes.get();
526
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
125 for (HgDirstate.Record r : m.values()) {
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
126 // regular entry is 1+4+4+4+4+fname.length bytes
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
127 // it might get extended with copy origin, prepended with 0 byte
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
128 byte[] fname = encodingHelper.toDirstate(r.name());
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
129 byte[] copyOrigin = r.copySource() == null ? null : encodingHelper.toDirstate(r.copySource());
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
130 int length = fname.length + (copyOrigin == null ? 0 : (1 + copyOrigin.length));
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
131 bb = ensureCapacity(bb, 17 + length);
529
95bdcf75e71e Command to schedule addition/removal of repository files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 526
diff changeset
132 bb.put(recordType);
526
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
133 bb.putInt(r.mode());
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
134 bb.putInt(r.size());
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
135 bb.putInt(r.modificationTime());
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
136 bb.putInt(length);
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
137 bb.put(fname);
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
138 if (copyOrigin != null) {
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
139 bb.put((byte) 0);
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
140 bb.put(copyOrigin);
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
141 }
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
142 bb.flip();
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
143 written = dest.write(bb);
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
144 if (written != bb.limit()) {
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
145 throw new IOException("Incomplete write");
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
146 }
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
147 bb.clear();
525
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
148 }
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
149 }
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
150 }
526
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
151
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
152 public void serialize() throws HgIOException {
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
153 File dirstateFile = hgRepo.getRepositoryFile(HgRepositoryFiles.Dirstate);
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
154 try {
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
155 FileChannel dirstate = new FileOutputStream(dirstateFile).getChannel();
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
156 serialize(dirstate);
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
157 dirstate.close();
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
158 } catch (IOException ex) {
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
159 throw new HgIOException("Can't write down new directory state", ex, dirstateFile);
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
160 }
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
161 }
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
162
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
163 public void fillFrom(DirstateReader dirstate) {
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
164 // TODO preserve order, if reasonable and possible
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
165 dirstate.readInto(new HgDirstate.Inspector() {
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
166
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
167 public boolean next(EntryKind kind, Record entry) {
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
168 switch (kind) {
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
169 case Normal: normal.put(entry.name(), entry); break;
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
170 case Added : added.put(entry.name(), entry); break;
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
171 case Removed : removed.put(entry.name(), entry); break;
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
172 case Merged : merged.put(entry.name(), entry); break;
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
173 default: throw new HgInvalidStateException(String.format("Unexpected entry in the dirstate: %s", kind));
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
174 }
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
175 return true;
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
176 }
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
177 });
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
178 parents(dirstate.parents().first(), dirstate.parents().second());
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
179 }
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
180
525
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
181
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
182 private static ByteBuffer ensureCapacity(ByteBuffer buf, int cap) {
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
183 if (buf.capacity() >= cap) {
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
184 return buf;
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
185 }
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
186 return ByteBuffer.allocate(cap);
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
187 }
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
188 }