Mercurial > jhg

annotate src/org/tmatesoft/hg/repo/HgBundle.java @ 158:b413b16d10a5

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Integer offsets and file length explictly, rather than casts throughout code. Inflater may benefit from total length hint, but shall calculate it by its own if needed
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Wed, 09 Mar 2011 13:16:37 +0100
parents d5268ca7715b
children 8c8e3f372fa1
rev   line source
36
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
1 /*
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
2 * Copyright (c) 2011 TMate Software Ltd
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
3 *
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
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: 47
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: 47
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: 47
diff changeset
7 *
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
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: 47
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: 47
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: 47
diff changeset
11 * GNU General Public License for more details.
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
12 *
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
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: 47
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
36
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
16 */
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
17 package org.tmatesoft.hg.repo;
36
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
18
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
19 import java.io.File;
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
20 import java.io.IOException;
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
21 import java.util.LinkedList;
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
22 import java.util.List;
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
23
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: 51 154
diff changeset
24 import org.tmatesoft.hg.core.HgException;
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
25 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: 51 154
diff changeset
26 import org.tmatesoft.hg.internal.ByteArrayChannel;
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: 51 154
diff changeset
27 import org.tmatesoft.hg.internal.ByteArrayDataAccess;
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
28 import org.tmatesoft.hg.internal.DataAccess;
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
29 import org.tmatesoft.hg.internal.DataAccessProvider;
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
30 import org.tmatesoft.hg.internal.DigestHelper;
77
c677e1593919 Moved RevlogStream implementation into .internal
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 74
diff changeset
31 import org.tmatesoft.hg.internal.RevlogStream;
154
ba2bf656f00f Changeset => RawChangeset
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 129
diff changeset
32 import org.tmatesoft.hg.repo.HgChangelog.RawChangeset;
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: 51 154
diff changeset
33 import org.tmatesoft.hg.util.CancelledException;
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
34
36
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
35
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
36 /**
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
37 * @see http://mercurial.selenic.com/wiki/BundleFormat
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
38 *
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
39 * @author Artem Tikhomirov
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 47
diff changeset
40 * @author TMate Software Ltd.
36
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
41 */
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
42 public class HgBundle {
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
43
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
44 private final File bundleFile;
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
45 private final DataAccessProvider accessProvider;
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
46
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
47 public HgBundle(DataAccessProvider dap, File bundle) {
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
48 accessProvider = dap;
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
49 bundleFile = bundle;
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
50 }
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
51
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: 51 154
diff changeset
52 public void changes(HgRepository hgRepo) throws HgException, IOException {
37
e45e75e22523 Parse changesets from bundle's changelog group. Refactor Revlog to provide access to revision's raw content
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 36
diff changeset
53 DataAccess da = accessProvider.create(bundleFile);
41
858d1b2458cb Check integrity for bundle changelog. Sort nodeids when calculating hash
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 39
diff changeset
54 DigestHelper dh = new DigestHelper();
37
e45e75e22523 Parse changesets from bundle's changelog group. Refactor Revlog to provide access to revision's raw content
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 36
diff changeset
55 try {
e45e75e22523 Parse changesets from bundle's changelog group. Refactor Revlog to provide access to revision's raw content
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 36
diff changeset
56 List<GroupElement> changelogGroup = readGroup(da);
39
4e9b66b07a28 Check changelog group starts with proper (known) base
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 37
diff changeset
57 if (changelogGroup.isEmpty()) {
4e9b66b07a28 Check changelog group starts with proper (known) base
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 37
diff changeset
58 throw new IllegalStateException("No changelog group in the bundle"); // XXX perhaps, just be silent and/or log?
4e9b66b07a28 Check changelog group starts with proper (known) base
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 37
diff changeset
59 }
4e9b66b07a28 Check changelog group starts with proper (known) base
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 37
diff changeset
60 // XXX in fact, bundle not necessarily starts with the first revision missing in hgRepo
4e9b66b07a28 Check changelog group starts with proper (known) base
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 37
diff changeset
61 // need to 'scroll' till the last one common.
4e9b66b07a28 Check changelog group starts with proper (known) base
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 37
diff changeset
62 final Nodeid base = changelogGroup.get(0).firstParent();
4e9b66b07a28 Check changelog group starts with proper (known) base
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 37
diff changeset
63 if (!hgRepo.getChangelog().isKnown(base)) {
4e9b66b07a28 Check changelog group starts with proper (known) base
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 37
diff changeset
64 throw new IllegalArgumentException("unknown parent");
4e9b66b07a28 Check changelog group starts with proper (known) base
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 37
diff changeset
65 }
4e9b66b07a28 Check changelog group starts with proper (known) base
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 37
diff changeset
66 // BundleFormat wiki says:
4e9b66b07a28 Check changelog group starts with proper (known) base
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 37
diff changeset
67 // Each Changelog entry patches the result of all previous patches
4e9b66b07a28 Check changelog group starts with proper (known) base
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 37
diff changeset
68 // (the previous, or parent patch of a given patch p is the patch that has a node equal to p's p1 field)
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: 51 154
diff changeset
69 ByteArrayChannel bac = new ByteArrayChannel();
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: 51 154
diff changeset
70 hgRepo.getChangelog().rawContent(base, bac); // FIXME get DataAccess directly, to avoid
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: 51 154
diff changeset
71 // extra byte[] (inside ByteArrayChannel) duplication just for the sake of subsequent ByteArrayDataChannel wrap.
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: 51 154
diff changeset
72 ByteArrayDataAccess baseRevContent = new ByteArrayDataAccess(bac.toArray());
37
e45e75e22523 Parse changesets from bundle's changelog group. Refactor Revlog to provide access to revision's raw content
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 36
diff changeset
73 for (GroupElement ge : changelogGroup) {
43
1b26247d7367 Calculate result length of the patch operarion, when unknown
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 42
diff changeset
74 byte[] csetContent = RevlogStream.apply(baseRevContent, -1, ge.patches);
42
92c3d0920d58 Real integrity check, with exception. DigestHelper refactored to accomodate new needs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 41
diff changeset
75 dh = dh.sha1(ge.firstParent(), ge.secondParent(), csetContent); // XXX ge may give me access to byte[] content of nodeid directly, perhaps, I don't need DH to be friend of Nodeid?
92c3d0920d58 Real integrity check, with exception. DigestHelper refactored to accomodate new needs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 41
diff changeset
76 if (!ge.node().equalsTo(dh.asBinary())) {
92c3d0920d58 Real integrity check, with exception. DigestHelper refactored to accomodate new needs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 41
diff changeset
77 throw new IllegalStateException("Integrity check failed on " + bundleFile + ", node:" + ge.node());
92c3d0920d58 Real integrity check, with exception. DigestHelper refactored to accomodate new needs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 41
diff changeset
78 }
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: 51 154
diff changeset
79 ByteArrayDataAccess csetDataAccess = new ByteArrayDataAccess(csetContent);
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: 51 154
diff changeset
80 RawChangeset cs = RawChangeset.parse(csetDataAccess);
47
b01500fe2604 Log command output to match 'hg log'
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 45
diff changeset
81 System.out.println(cs.toString());
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: 51 154
diff changeset
82 baseRevContent = csetDataAccess.reset();
37
e45e75e22523 Parse changesets from bundle's changelog group. Refactor Revlog to provide access to revision's raw content
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 36
diff changeset
83 }
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: 51 154
diff changeset
84 } catch (CancelledException ex) {
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: 51 154
diff changeset
85 System.out.println("Operation cancelled");
37
e45e75e22523 Parse changesets from bundle's changelog group. Refactor Revlog to provide access to revision's raw content
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 36
diff changeset
86 } finally {
e45e75e22523 Parse changesets from bundle's changelog group. Refactor Revlog to provide access to revision's raw content
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 36
diff changeset
87 da.done();
e45e75e22523 Parse changesets from bundle's changelog group. Refactor Revlog to provide access to revision's raw content
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 36
diff changeset
88 }
e45e75e22523 Parse changesets from bundle's changelog group. Refactor Revlog to provide access to revision's raw content
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 36
diff changeset
89 }
e45e75e22523 Parse changesets from bundle's changelog group. Refactor Revlog to provide access to revision's raw content
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 36
diff changeset
90
e45e75e22523 Parse changesets from bundle's changelog group. Refactor Revlog to provide access to revision's raw content
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 36
diff changeset
91 public void dump() throws IOException {
36
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
92 DataAccess da = accessProvider.create(bundleFile);
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
93 try {
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
94 LinkedList<String> names = new LinkedList<String>();
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
95 if (!da.isEmpty()) {
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
96 System.out.println("Changelog group");
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
97 List<GroupElement> changelogGroup = readGroup(da);
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
98 for (GroupElement ge : changelogGroup) {
37
e45e75e22523 Parse changesets from bundle's changelog group. Refactor Revlog to provide access to revision's raw content
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 36
diff changeset
99 System.out.printf(" %s %s %s %s; patches:%d\n", ge.node(), ge.firstParent(), ge.secondParent(), ge.cset(), ge.patches.size());
36
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
100 }
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
101 System.out.println("Manifest group");
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
102 List<GroupElement> manifestGroup = readGroup(da);
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
103 for (GroupElement ge : manifestGroup) {
37
e45e75e22523 Parse changesets from bundle's changelog group. Refactor Revlog to provide access to revision's raw content
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 36
diff changeset
104 System.out.printf(" %s %s %s %s; patches:%d\n", ge.node(), ge.firstParent(), ge.secondParent(), ge.cset(), ge.patches.size());
36
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
105 }
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
106 while (!da.isEmpty()) {
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
107 int fnameLen = da.readInt();
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
108 if (fnameLen <= 4) {
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
109 break; // null chunk, the last one.
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
110 }
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
111 byte[] fname = new byte[fnameLen - 4];
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
112 da.readBytes(fname, 0, fname.length);
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
113 names.add(new String(fname));
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
114 List<GroupElement> fileGroup = readGroup(da);
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
115 System.out.println(names.getLast());
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
116 for (GroupElement ge : fileGroup) {
37
e45e75e22523 Parse changesets from bundle's changelog group. Refactor Revlog to provide access to revision's raw content
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 36
diff changeset
117 System.out.printf(" %s %s %s %s; patches:%d\n", ge.node(), ge.firstParent(), ge.secondParent(), ge.cset(), ge.patches.size());
36
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
118 }
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
119 }
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
120 }
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
121 System.out.println(names.size());
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
122 for (String s : names) {
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
123 System.out.println(s);
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
124 }
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
125 } finally {
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
126 da.done();
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
127 }
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
128 }
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
129
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
130 private static List<GroupElement> readGroup(DataAccess da) throws IOException {
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
131 int len = da.readInt();
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
132 LinkedList<GroupElement> rv = new LinkedList<HgBundle.GroupElement>();
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
133 while (len > 4 && !da.isEmpty()) {
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
134 byte[] nb = new byte[80];
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
135 da.readBytes(nb, 0, 80);
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
136 int dataLength = len-84;
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
137 LinkedList<RevlogStream.PatchRecord> patches = new LinkedList<RevlogStream.PatchRecord>();
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
138 while (dataLength > 0) {
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
139 RevlogStream.PatchRecord pr = RevlogStream.PatchRecord.read(da);
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
140 patches.add(pr);
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
141 dataLength -= pr.len + 12;
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
142 }
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
143 rv.add(new GroupElement(nb, patches));
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
144 len = da.isEmpty() ? 0 : da.readInt();
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
145 }
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
146 return rv;
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
147 }
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
148
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
149 static class GroupElement {
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
150 private byte[] header; // byte[80] takes 120 bytes, 4 Nodeids - 192
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
151 private List<RevlogStream.PatchRecord> patches;
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
152
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
153 GroupElement(byte[] fourNodeids, List<RevlogStream.PatchRecord> patchList) {
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
154 assert fourNodeids != null && fourNodeids.length == 80;
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
155 // patchList.size() > 0
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
156 header = fourNodeids;
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
157 patches = patchList;
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
158 }
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
159 public Nodeid node() {
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
160 return Nodeid.fromBinary(header, 0);
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
161 }
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
162 public Nodeid firstParent() {
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
163 return Nodeid.fromBinary(header, 20);
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
164 }
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
165 public Nodeid secondParent() {
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
166 return Nodeid.fromBinary(header, 40);
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
167 }
37
e45e75e22523 Parse changesets from bundle's changelog group. Refactor Revlog to provide access to revision's raw content
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 36
diff changeset
168 public Nodeid cset() { // cs seems to be changeset
36
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
169 return Nodeid.fromBinary(header, 60);
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
170 }
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
171 }
205f9b59b400 Strip parsing logic out from console frontend
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
172 }