Mercurial > hg4j

annotate src/org/tmatesoft/hg/repo/HgDataFile.java @ 404:31a719b9f95e smartgit3

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Provide more detailed information on erroneous file operation
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Mon, 05 Mar 2012 15:15:49 +0100
parents b015f3918120
children 0ae53c32ecef
rev   line source
17
571e1b2cc3f7 Query file for its parents. Demo of recently added ignore and digest support from within cat cmd
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 5
diff changeset
1 /*
388
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 383
diff changeset
2 * Copyright (c) 2010-2012 TMate Software Ltd
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 56
diff changeset
3 *
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 56
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: 56
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: 56
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: 56
diff changeset
7 *
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 56
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: 56
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: 56
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: 56
diff changeset
11 * GNU General Public License for more details.
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 56
diff changeset
12 *
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 56
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: 56
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: 88
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: 56
diff changeset
17 package org.tmatesoft.hg.repo;
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
18
367
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 366
diff changeset
19 import static org.tmatesoft.hg.repo.HgInternals.wrongRevisionIndex;
148
1a7a9a20e1f9 Exceptions, javadoc. Initial cancel and progress support
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 135
diff changeset
20 import static org.tmatesoft.hg.repo.HgRepository.*;
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 56
diff changeset
21
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: 51 148
diff changeset
22 import java.io.ByteArrayOutputStream;
237
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 233
diff changeset
23 import java.io.File;
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 233
diff changeset
24 import java.io.FileInputStream;
148
1a7a9a20e1f9 Exceptions, javadoc. Initial cancel and progress support
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 135
diff changeset
25 import java.io.IOException;
115
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
26 import java.nio.ByteBuffer;
237
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 233
diff changeset
27 import java.nio.channels.FileChannel;
78
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
28 import java.util.ArrayList;
240
29231022fec8 Do not expect file history to be ordered
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 237
diff changeset
29 import java.util.Arrays;
78
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
30 import java.util.Collection;
305
ae8d116f4ee2 Experimental code to build file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 300
diff changeset
31 import java.util.Collections;
ae8d116f4ee2 Experimental code to build file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 300
diff changeset
32 import java.util.List;
78
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
33
148
1a7a9a20e1f9 Exceptions, javadoc. Initial cancel and progress support
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 135
diff changeset
34 import org.tmatesoft.hg.core.HgDataStreamException;
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: 51 148
diff changeset
35 import org.tmatesoft.hg.core.HgException;
354
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
36 import org.tmatesoft.hg.core.HgInvalidControlFileException;
347
8da7ade36c57 Add specific IAE subclass to handle wrong (e.g. outdated after rollback) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 328
diff changeset
37 import org.tmatesoft.hg.core.HgInvalidRevisionException;
328
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 323
diff changeset
38 import org.tmatesoft.hg.core.HgLogCommand;
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 56
diff changeset
39 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: 51 148
diff changeset
40 import org.tmatesoft.hg.internal.DataAccess;
121
b1d6208fb517 Conditionally apply filters to file content
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 115
diff changeset
41 import org.tmatesoft.hg.internal.FilterByteChannel;
277
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
42 import org.tmatesoft.hg.internal.FilterDataAccess;
276
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
43 import org.tmatesoft.hg.internal.IntMap;
77
c677e1593919 Moved RevlogStream implementation into .internal
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 74
diff changeset
44 import org.tmatesoft.hg.internal.RevlogStream;
115
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
45 import org.tmatesoft.hg.util.ByteChannel;
237
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 233
diff changeset
46 import org.tmatesoft.hg.util.CancelSupport;
148
1a7a9a20e1f9 Exceptions, javadoc. Initial cancel and progress support
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 135
diff changeset
47 import org.tmatesoft.hg.util.CancelledException;
388
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 383
diff changeset
48 import org.tmatesoft.hg.util.LogFacility;
305
ae8d116f4ee2 Experimental code to build file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 300
diff changeset
49 import org.tmatesoft.hg.util.Pair;
133
4a948ec83980 core.Path to util.Path as it's not Hg repo dependant
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 129
diff changeset
50 import org.tmatesoft.hg.util.Path;
237
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 233
diff changeset
51 import org.tmatesoft.hg.util.ProgressSupport;
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 56
diff changeset
52
5
fc265ddeab26 File content and non-effective, although working, patch application
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 3
diff changeset
53
17
571e1b2cc3f7 Query file for its parents. Demo of recently added ignore and digest support from within cat cmd
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 5
diff changeset
54
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
55 /**
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
56 * ? name:HgFileNode?
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 56
diff changeset
57 *
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 56
diff changeset
58 * @author Artem Tikhomirov
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 56
diff changeset
59 * @author TMate Software Ltd.
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
60 */
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
61 public class HgDataFile extends Revlog {
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
62
3
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
63 // absolute from repo root?
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
64 // slashes, unix-style?
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
65 // repo location agnostic, just to give info to user, not to access real storage
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 56
diff changeset
66 private final Path path;
134
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 133
diff changeset
67 private Metadata metadata; // get initialized on first access to file content.
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
68
115
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
69 /*package-local*/HgDataFile(HgRepository hgRepo, Path filePath, RevlogStream content) {
21
e929cecae4e1 Refactor to move revlog content to base class
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 17
diff changeset
70 super(hgRepo, content);
115
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
71 path = filePath;
3
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
72 }
115
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
73
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
74 /*package-local*/HgDataFile(HgRepository hgRepo, Path filePath) {
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
75 super(hgRepo);
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
76 path = filePath;
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
77 }
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
78
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
79 // exists is not the best name possible. now it means no file with such name was ever known to the repo.
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
80 // it might be confused with files existed before but lately removed.
3
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
81 public boolean exists() {
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
82 return content != null; // XXX need better impl
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
83 }
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
84
77
c677e1593919 Moved RevlogStream implementation into .internal
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 74
diff changeset
85 // human-readable (i.e. "COPYING", not "store/data/_c_o_p_y_i_n_g.i")
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 56
diff changeset
86 public Path getPath() {
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: 51 148
diff changeset
87 return path; // hgRepo.backresolve(this) -> name? In this case, what about hashed long names?
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
88 }
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
89
275
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 245
diff changeset
90 /**
367
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 366
diff changeset
91 * Handy shorthand for {@link #length(int) length(getRevisionIndex(nodeid))}
354
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
92 *
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
93 * @param nodeid revision of the file
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
94 *
275
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 245
diff changeset
95 * @return size of the file content at the given revision
380
9517df1ef7ec Comments/javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 368
diff changeset
96 * @throws HgInvalidRevisionException if supplied nodeid doesn't identify any revision from this revlog
354
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
97 * @throws HgDataStreamException if attempt to access file metadata failed
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
98 * @throws HgInvalidControlFileException if access to revlog index/data entry failed
275
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 245
diff changeset
99 */
354
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
100 public int length(Nodeid nodeid) throws HgDataStreamException, HgInvalidControlFileException, HgInvalidRevisionException {
367
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 366
diff changeset
101 return length(getRevisionIndex(nodeid));
275
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 245
diff changeset
102 }
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 245
diff changeset
103
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 245
diff changeset
104 /**
368
8107b95f4280 Update Javadoc with 'revision index'
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 367
diff changeset
105 * @param fileRevisionIndex - revision local index, non-negative. From predefined constants, only {@link HgRepository#TIP} makes sense.
275
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 245
diff changeset
106 * @return size of the file content at the revision identified by local revision number.
354
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
107 * @throws HgInvalidRevisionException if supplied argument doesn't represent revision index in this revlog
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
108 * @throws HgDataStreamException if attempt to access file metadata failed
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
109 * @throws HgInvalidControlFileException if access to revlog index/data entry failed
275
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 245
diff changeset
110 */
367
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 366
diff changeset
111 public int length(int fileRevisionIndex) throws HgDataStreamException, HgInvalidControlFileException, HgInvalidRevisionException {
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 366
diff changeset
112 // TODO support WORKING_COPY constant
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 366
diff changeset
113 if (metadata == null || !metadata.checked(fileRevisionIndex)) {
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 366
diff changeset
114 checkAndRecordMetadata(fileRevisionIndex);
275
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 245
diff changeset
115 }
367
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 366
diff changeset
116 final int dataLen = content.dataLength(fileRevisionIndex);
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 366
diff changeset
117 if (metadata.known(fileRevisionIndex)) {
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 366
diff changeset
118 return dataLen - metadata.dataOffset(fileRevisionIndex);
275
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 245
diff changeset
119 }
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 245
diff changeset
120 return dataLen;
22
603806cd2dc6 Status of local working dir against non-tip base revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 21
diff changeset
121 }
603806cd2dc6 Status of local working dir against non-tip base revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 21
diff changeset
122
237
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 233
diff changeset
123 /**
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 233
diff changeset
124 * Reads content of the file from working directory. If file present in the working directory, its actual content without
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 233
diff changeset
125 * any filters is supplied through the sink. If file does not exist in the working dir, this method provides content of a file
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 233
diff changeset
126 * as if it would be refreshed in the working copy, i.e. its corresponding revision
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 233
diff changeset
127 * (XXX according to dirstate? file tip?) is read from the repository, and filters repo -> working copy get applied.
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 233
diff changeset
128 *
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 233
diff changeset
129 * @param sink where to pipe content to
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 233
diff changeset
130 * @throws HgDataStreamException to indicate troubles reading repository file
380
9517df1ef7ec Comments/javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 368
diff changeset
131 * @throws CancelledException if execution of the operation was cancelled
237
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 233
diff changeset
132 */
366
189dc6dc1c3e Use exceptions to expose errors reading mercurial data
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 355
diff changeset
133 public void workingCopy(ByteChannel sink) throws HgDataStreamException, HgInvalidControlFileException, CancelledException {
237
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 233
diff changeset
134 File f = getRepo().getFile(this);
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 233
diff changeset
135 if (f.exists()) {
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 233
diff changeset
136 final CancelSupport cs = CancelSupport.Factory.get(sink);
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 233
diff changeset
137 final ProgressSupport progress = ProgressSupport.Factory.get(sink);
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 233
diff changeset
138 final long flength = f.length();
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 233
diff changeset
139 final int bsize = (int) Math.min(flength, 32*1024);
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 233
diff changeset
140 progress.start((int) (flength > Integer.MAX_VALUE ? flength >>> 15 /*32 kb buf size*/ : flength));
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 233
diff changeset
141 ByteBuffer buf = ByteBuffer.allocate(bsize);
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 233
diff changeset
142 FileChannel fc = null;
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 233
diff changeset
143 try {
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 233
diff changeset
144 fc = new FileInputStream(f).getChannel();
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 233
diff changeset
145 while (fc.read(buf) != -1) {
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 233
diff changeset
146 cs.checkCancelled();
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 233
diff changeset
147 buf.flip();
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 233
diff changeset
148 int consumed = sink.write(buf);
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 233
diff changeset
149 progress.worked(flength > Integer.MAX_VALUE ? 1 : consumed);
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 233
diff changeset
150 buf.compact();
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 233
diff changeset
151 }
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 233
diff changeset
152 } catch (IOException ex) {
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 233
diff changeset
153 throw new HgDataStreamException(getPath(), ex);
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 233
diff changeset
154 } finally {
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 233
diff changeset
155 progress.done();
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 233
diff changeset
156 if (fc != null) {
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 233
diff changeset
157 try {
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 233
diff changeset
158 fc.close();
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 233
diff changeset
159 } catch (IOException ex) {
295
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 277
diff changeset
160 getRepo().getContext().getLog().info(getClass(), ex, null);
237
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 233
diff changeset
161 }
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 233
diff changeset
162 }
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 233
diff changeset
163 }
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 233
diff changeset
164 } else {
388
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 383
diff changeset
165 final Pair<Nodeid, Nodeid> wcParents = getRepo().getWorkingCopyParents();
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 383
diff changeset
166 Nodeid p = wcParents.first().isNull() ? wcParents.second() : wcParents.first();
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 383
diff changeset
167 if (p.isNull()) {
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 383
diff changeset
168 // no dirstate parents - no content
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 383
diff changeset
169 return;
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 383
diff changeset
170 }
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 383
diff changeset
171 final HgChangelog clog = getRepo().getChangelog();
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 383
diff changeset
172 // common case to avoid searching complete changelog for nodeid match
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 383
diff changeset
173 final Nodeid tipRev = clog.getRevision(TIP);
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 383
diff changeset
174 final int csetRevIndex;
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 383
diff changeset
175 if (tipRev.equals(p)) {
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 383
diff changeset
176 csetRevIndex = clog.getLastRevision();
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 383
diff changeset
177 } else {
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 383
diff changeset
178 // bad luck, need to search honestly
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 383
diff changeset
179 csetRevIndex = getRepo().getChangelog().getRevisionIndex(p);
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 383
diff changeset
180 }
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 383
diff changeset
181 Nodeid fileRev = getRepo().getManifest().getFileRevision(csetRevIndex, getPath());
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 383
diff changeset
182 final int fileRevIndex = getRevisionIndex(fileRev);
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 383
diff changeset
183 contentWithFilters(fileRevIndex, sink);
237
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 233
diff changeset
184 }
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
185 }
115
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
186
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: 51 148
diff changeset
187 // public void content(int revision, ByteChannel sink, boolean applyFilters) throws HgDataStreamException, IOException, CancelledException {
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: 51 148
diff changeset
188 // byte[] content = content(revision);
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: 51 148
diff changeset
189 // final CancelSupport cancelSupport = CancelSupport.Factory.get(sink);
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: 51 148
diff changeset
190 // final ProgressSupport progressSupport = ProgressSupport.Factory.get(sink);
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: 51 148
diff changeset
191 // ByteBuffer buf = ByteBuffer.allocate(512);
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: 51 148
diff changeset
192 // int left = content.length;
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: 51 148
diff changeset
193 // progressSupport.start(left);
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: 51 148
diff changeset
194 // int offset = 0;
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: 51 148
diff changeset
195 // cancelSupport.checkCancelled();
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: 51 148
diff changeset
196 // ByteChannel _sink = applyFilters ? new FilterByteChannel(sink, getRepo().getFiltersFromRepoToWorkingDir(getPath())) : sink;
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: 51 148
diff changeset
197 // do {
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: 51 148
diff changeset
198 // buf.put(content, offset, Math.min(left, buf.remaining()));
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: 51 148
diff changeset
199 // buf.flip();
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: 51 148
diff changeset
200 // cancelSupport.checkCancelled();
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: 51 148
diff changeset
201 // // XXX I may not rely on returned number of bytes but track change in buf position instead.
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: 51 148
diff changeset
202 // int consumed = _sink.write(buf);
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: 51 148
diff changeset
203 // buf.compact();
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: 51 148
diff changeset
204 // offset += consumed;
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: 51 148
diff changeset
205 // left -= consumed;
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: 51 148
diff changeset
206 // progressSupport.worked(consumed);
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: 51 148
diff changeset
207 // } while (left > 0);
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: 51 148
diff changeset
208 // progressSupport.done(); // XXX shall specify whether #done() is invoked always or only if completed successfully.
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: 51 148
diff changeset
209 // }
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: 51 148
diff changeset
210
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: 51 148
diff changeset
211 /*XXX not sure distinct method contentWithFilters() is the best way to do, perhaps, callers shall add filters themselves?*/
366
189dc6dc1c3e Use exceptions to expose errors reading mercurial data
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 355
diff changeset
212 public void contentWithFilters(int revision, ByteChannel sink) throws HgDataStreamException, HgInvalidControlFileException, CancelledException, HgInvalidRevisionException {
237
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 233
diff changeset
213 if (revision == WORKING_COPY) {
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 233
diff changeset
214 workingCopy(sink); // pass un-mangled sink
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 233
diff changeset
215 } else {
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 233
diff changeset
216 content(revision, new FilterByteChannel(sink, getRepo().getFiltersFromRepoToWorkingDir(getPath())));
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 233
diff changeset
217 }
115
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
218 }
22
603806cd2dc6 Status of local working dir against non-tip base revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 21
diff changeset
219
367
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 366
diff changeset
220 /**
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 366
diff changeset
221 *
368
8107b95f4280 Update Javadoc with 'revision index'
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 367
diff changeset
222 * @param fileRevisionIndex - revision local index, non-negative. From predefined constants, {@link HgRepository#TIP} and {@link HgRepository#WORKING_COPY} make sense.
367
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 366
diff changeset
223 * @param sink
383
994b5813a925 Few comments
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 380
diff changeset
224 * @throws HgDataStreamException FIXME EXCEPTIONS
380
9517df1ef7ec Comments/javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 368
diff changeset
225 * @throws HgInvalidControlFileException if access to revlog index/data entry failed
9517df1ef7ec Comments/javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 368
diff changeset
226 * @throws CancelledException if execution of the operation was cancelled
9517df1ef7ec Comments/javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 368
diff changeset
227 * @throws HgInvalidRevisionException if supplied argument doesn't represent revision index in this revlog
367
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 366
diff changeset
228 */
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 366
diff changeset
229 public void content(int fileRevisionIndex, ByteChannel sink) throws HgDataStreamException, HgInvalidControlFileException, CancelledException, HgInvalidRevisionException {
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 366
diff changeset
230 // for data files need to check heading of the file content for possible metadata
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 366
diff changeset
231 // @see http://mercurial.selenic.com/wiki/FileFormats#data.2BAC8-
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 366
diff changeset
232 if (fileRevisionIndex == TIP) {
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 366
diff changeset
233 fileRevisionIndex = getLastRevision();
78
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
234 }
367
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 366
diff changeset
235 if (fileRevisionIndex == WORKING_COPY) {
237
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 233
diff changeset
236 // sink is supposed to come into workingCopy without filters
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 233
diff changeset
237 // thus we shall not get here (into #content) from #contentWithFilters(WC)
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: 51 148
diff changeset
238 workingCopy(sink);
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: 51 148
diff changeset
239 return;
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: 51 148
diff changeset
240 }
367
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 366
diff changeset
241 if (wrongRevisionIndex(fileRevisionIndex) || fileRevisionIndex == BAD_REVISION) {
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 366
diff changeset
242 throw new HgInvalidRevisionException(fileRevisionIndex);
148
1a7a9a20e1f9 Exceptions, javadoc. Initial cancel and progress support
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 135
diff changeset
243 }
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: 51 148
diff changeset
244 if (sink == null) {
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: 51 148
diff changeset
245 throw new IllegalArgumentException();
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: 51 148
diff changeset
246 }
134
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 133
diff changeset
247 if (metadata == null) {
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 133
diff changeset
248 metadata = new Metadata();
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 133
diff changeset
249 }
277
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
250 ErrorHandlingInspector insp;
388
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 383
diff changeset
251 final LogFacility lf = getRepo().getContext().getLog();
367
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 366
diff changeset
252 if (metadata.none(fileRevisionIndex)) {
388
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 383
diff changeset
253 insp = new ContentPipe(sink, 0, lf);
367
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 366
diff changeset
254 } else if (metadata.known(fileRevisionIndex)) {
388
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 383
diff changeset
255 insp = new ContentPipe(sink, metadata.dataOffset(fileRevisionIndex), lf);
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: 51 148
diff changeset
256 } else {
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: 51 148
diff changeset
257 // do not know if there's metadata
388
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 383
diff changeset
258 insp = new MetadataInspector(metadata, lf, getPath(), new ContentPipe(sink, 0, lf));
78
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
259 }
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: 51 148
diff changeset
260 insp.checkCancelled();
367
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 366
diff changeset
261 super.content.iterate(fileRevisionIndex, fileRevisionIndex, true, insp);
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: 51 148
diff changeset
262 try {
237
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 233
diff changeset
263 insp.checkFailed(); // XXX is there real need to throw IOException from ContentPipe?
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: 51 148
diff changeset
264 } catch (HgDataStreamException 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: 51 148
diff changeset
265 throw ex;
237
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 233
diff changeset
266 } catch (IOException ex) {
367
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 366
diff changeset
267 throw new HgDataStreamException(getPath(), ex).setRevisionIndex(fileRevisionIndex);
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: 51 148
diff changeset
268 } catch (HgException 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: 51 148
diff changeset
269 // shall not happen, unless we changed ContentPipe or its subclass
215
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 163
diff changeset
270 throw new HgDataStreamException(getPath(), ex.getClass().getName(), ex);
78
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
271 }
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
272 }
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: 51 148
diff changeset
273
317
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
274 private static class HistoryNode {
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
275 int changeset;
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
276 Nodeid cset;
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
277 HistoryNode parent1, parent2;
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
278 List<HistoryNode> children;
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
279
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
280 HistoryNode(int cs, HistoryNode p1, HistoryNode p2) {
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
281 changeset = cs;
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
282 parent1 = p1;
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
283 parent2 = p2;
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
284 if (p1 != null) {
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
285 p1.addChild(this);
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
286 }
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
287 if (p2 != null) {
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
288 p2.addChild(this);
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
289 }
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
290 }
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
291
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
292 Nodeid changesetRevision() {
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
293 assert cset != null : "we initialize all csets prior to use";
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
294 return cset;
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
295 }
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
296
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
297 void addChild(HistoryNode child) {
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
298 if (children == null) {
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
299 children = new ArrayList<HistoryNode>(2);
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
300 }
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
301 children.add(child);
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
302 }
305
ae8d116f4ee2 Experimental code to build file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 300
diff changeset
303 }
ae8d116f4ee2 Experimental code to build file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 300
diff changeset
304
328
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 323
diff changeset
305 /**
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 323
diff changeset
306 * @deprecated use {@link HgLogCommand#execute(org.tmatesoft.hg.core.HgChangesetTreeHandler)} instead
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 323
diff changeset
307 */
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 323
diff changeset
308 @Deprecated
366
189dc6dc1c3e Use exceptions to expose errors reading mercurial data
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 355
diff changeset
309 public void history(HgChangelog.TreeInspector inspector) throws HgInvalidControlFileException{
317
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
310 final CancelSupport cancelSupport = CancelSupport.Factory.get(inspector);
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
311 try {
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
312 final boolean[] needsSorting = { false };
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
313 final HistoryNode[] completeHistory = new HistoryNode[getRevisionCount()];
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
314 final int[] commitRevisions = new int[completeHistory.length];
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
315 RevlogStream.Inspector insp = new RevlogStream.Inspector() {
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
316 public void next(int revisionNumber, int actualLen, int baseRevision, int linkRevision, int parent1Revision, int parent2Revision, byte[] nodeid, DataAccess data) {
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
317 if (revisionNumber > 0) {
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
318 if (commitRevisions[revisionNumber-1] > linkRevision) {
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
319 needsSorting[0] = true;
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
320 }
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
321 }
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
322 commitRevisions[revisionNumber] = linkRevision;
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
323 HistoryNode p1 = null, p2 = null;
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
324 if (parent1Revision != -1) {
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
325 p1 = completeHistory[parent1Revision];
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
326 }
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
327 if (parent2Revision != -1) {
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
328 p2 = completeHistory[parent2Revision];
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
329 }
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
330 completeHistory[revisionNumber] = new HistoryNode(linkRevision, p1, p2);
305
ae8d116f4ee2 Experimental code to build file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 300
diff changeset
331 }
317
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
332 };
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
333 content.iterate(0, getLastRevision(), false, insp);
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
334 cancelSupport.checkCancelled();
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
335 if (needsSorting[0]) {
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
336 Arrays.sort(commitRevisions);
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
337 }
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
338 // read changeset revisions at once (to avoid numerous changelog.getRevision reads)
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
339 // but just nodeids, not RawChangeset (changelog.iterate(data=false)
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
340 ArrayList<Nodeid> changesetRevisions = new ArrayList<Nodeid>(commitRevisions.length);
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
341 getRepo().getChangelog().getRevisionsInternal(changesetRevisions, commitRevisions);
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
342 cancelSupport.checkCancelled();
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
343 // assign them to corresponding HistoryNodes
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
344 for (int i = 0; i < completeHistory.length; i++ ) {
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
345 final HistoryNode n = completeHistory[i];
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
346 if (needsSorting[0]) {
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
347 int x = Arrays.binarySearch(commitRevisions, n.changeset);
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
348 assert x >= 0;
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
349 n.cset = changesetRevisions.get(x);
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
350 } else {
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
351 // commit revisions were not sorted, may use original index directly
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
352 n.cset = changesetRevisions.get(i);
305
ae8d116f4ee2 Experimental code to build file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 300
diff changeset
353 }
ae8d116f4ee2 Experimental code to build file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 300
diff changeset
354 }
317
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
355 cancelSupport.checkCancelled();
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
356 // XXX shall sort completeHistory according to changeset numbers?
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
357 for (int i = 0; i < completeHistory.length; i++ ) {
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
358 final HistoryNode n = completeHistory[i];
305
ae8d116f4ee2 Experimental code to build file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 300
diff changeset
359 HistoryNode p;
ae8d116f4ee2 Experimental code to build file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 300
diff changeset
360 Nodeid p1, p2;
317
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
361 if ((p = n.parent1) != null) {
305
ae8d116f4ee2 Experimental code to build file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 300
diff changeset
362 p1 = p.changesetRevision();
ae8d116f4ee2 Experimental code to build file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 300
diff changeset
363 } else {
ae8d116f4ee2 Experimental code to build file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 300
diff changeset
364 p1 = Nodeid.NULL;
ae8d116f4ee2 Experimental code to build file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 300
diff changeset
365 }
317
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
366 if ((p= n.parent2) != null) {
305
ae8d116f4ee2 Experimental code to build file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 300
diff changeset
367 p2 = p.changesetRevision();
ae8d116f4ee2 Experimental code to build file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 300
diff changeset
368 } else {
ae8d116f4ee2 Experimental code to build file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 300
diff changeset
369 p2 = Nodeid.NULL;
ae8d116f4ee2 Experimental code to build file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 300
diff changeset
370 }
317
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
371 final Pair<Nodeid, Nodeid> parentChangesets = new Pair<Nodeid, Nodeid>(p1, p2);
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
372 final List<Nodeid> childChangesets;
305
ae8d116f4ee2 Experimental code to build file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 300
diff changeset
373 if (n.children == null) {
317
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
374 childChangesets = Collections.emptyList();
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
375 } else {
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
376 Nodeid[] revisions = new Nodeid[n.children.size()];
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
377 int j = 0;
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
378 for (HistoryNode hn : n.children) {
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
379 revisions[j++] = hn.changesetRevision();
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
380 }
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
381 childChangesets = Arrays.asList(revisions);
305
ae8d116f4ee2 Experimental code to build file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 300
diff changeset
382 }
317
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
383 inspector.next(n.changesetRevision(), parentChangesets, childChangesets);
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
384 cancelSupport.checkCancelled();
305
ae8d116f4ee2 Experimental code to build file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 300
diff changeset
385 }
317
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
386 } catch (CancelledException ex) {
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
387 return;
09628675bcee Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 306
diff changeset
388 }
305
ae8d116f4ee2 Experimental code to build file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 300
diff changeset
389 }
ae8d116f4ee2 Experimental code to build file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 300
diff changeset
390
366
189dc6dc1c3e Use exceptions to expose errors reading mercurial data
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 355
diff changeset
391 public void history(HgChangelog.Inspector inspector) throws HgInvalidControlFileException {
135
3959bffb14e9 explicit op name instead math op to get last rev number
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 134
diff changeset
392 history(0, getLastRevision(), inspector);
48
e34f90b9ded1 Limit option for history/log
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 37
diff changeset
393 }
e34f90b9ded1 Limit option for history/log
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 37
diff changeset
394
366
189dc6dc1c3e Use exceptions to expose errors reading mercurial data
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 355
diff changeset
395 public void history(int start, int end, HgChangelog.Inspector inspector) throws HgInvalidRevisionException, HgInvalidControlFileException {
3
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
396 if (!exists()) {
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
397 throw new IllegalStateException("Can't get history of invalid repository file node");
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
398 }
135
3959bffb14e9 explicit op name instead math op to get last rev number
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 134
diff changeset
399 final int last = getLastRevision();
77
c677e1593919 Moved RevlogStream implementation into .internal
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 74
diff changeset
400 if (end == TIP) {
c677e1593919 Moved RevlogStream implementation into .internal
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 74
diff changeset
401 end = last;
c677e1593919 Moved RevlogStream implementation into .internal
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 74
diff changeset
402 }
300
650b45d290b1 Share range check code
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
403 if (start == TIP) {
650b45d290b1 Share range check code
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
404 start = last;
650b45d290b1 Share range check code
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
405 }
650b45d290b1 Share range check code
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
406 HgInternals.checkRevlogRange(start, end, last);
650b45d290b1 Share range check code
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
407
48
e34f90b9ded1 Limit option for history/log
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 37
diff changeset
408 final int[] commitRevisions = new int[end - start + 1];
242
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 240
diff changeset
409 final boolean[] needsSorting = { false };
77
c677e1593919 Moved RevlogStream implementation into .internal
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 74
diff changeset
410 RevlogStream.Inspector insp = new RevlogStream.Inspector() {
3
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
411 int count = 0;
51
9429c7bd1920 Try DataAccess to reach revision data instead of plain byte arrays
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 49
diff changeset
412 public void next(int revisionNumber, int actualLen, int baseRevision, int linkRevision, int parent1Revision, int parent2Revision, byte[] nodeid, DataAccess data) {
242
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 240
diff changeset
413 if (count > 0) {
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 240
diff changeset
414 if (commitRevisions[count -1] > linkRevision) {
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 240
diff changeset
415 needsSorting[0] = true;
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 240
diff changeset
416 }
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 240
diff changeset
417 }
3
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
418 commitRevisions[count++] = linkRevision;
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
419 }
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
420 };
48
e34f90b9ded1 Limit option for history/log
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 37
diff changeset
421 content.iterate(start, end, false, insp);
233
1d389c0cb0a5 Optimize file history walk not to iterat over whole changelog for sparse and distant revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 215
diff changeset
422 final HgChangelog changelog = getRepo().getChangelog();
242
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 240
diff changeset
423 if (needsSorting[0]) {
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 240
diff changeset
424 // automatic tools (svnmerge?) produce unnatural file history
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 240
diff changeset
425 // (e.g. cpython/Lib/doctest.py, revision 164 points to cset 63509, 165 - to 38453)
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 240
diff changeset
426 Arrays.sort(commitRevisions);
233
1d389c0cb0a5 Optimize file history walk not to iterat over whole changelog for sparse and distant revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 215
diff changeset
427 }
245
2fb439375ddc Avoid sorting revision range twice
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 242
diff changeset
428 changelog.rangeInternal(inspector, commitRevisions);
3
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
429 }
88
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 79
diff changeset
430
354
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
431 /**
367
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 366
diff changeset
432 * For a given revision of the file (identified with revision index), find out index of the corresponding changeset.
354
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
433 *
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
434 * @return changeset revision index
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
435 * @throws HgInvalidRevisionException if supplied argument doesn't represent revision index in this revlog
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
436 * @throws HgInvalidControlFileException if access to revlog index/data entry failed
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
437 */
367
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 366
diff changeset
438 public int getChangesetRevisionIndex(int revision) throws HgInvalidControlFileException, HgInvalidRevisionException {
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 366
diff changeset
439 return content.linkRevision(revision);
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 366
diff changeset
440 }
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 366
diff changeset
441 /**
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 366
diff changeset
442 * @deprecated use {@link #getChangesetRevisionIndex(int)} instead
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 366
diff changeset
443 */
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 366
diff changeset
444 @Deprecated
354
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
445 public int getChangesetLocalRevision(int revision) throws HgInvalidControlFileException, HgInvalidRevisionException {
367
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 366
diff changeset
446 return getChangesetRevisionIndex(revision);
88
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 79
diff changeset
447 }
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 79
diff changeset
448
354
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
449 /**
367
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 366
diff changeset
450 * Complements {@link #getChangesetRevisionIndex(int)} to get changeset revision that corresponds to supplied file revision
354
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
451 *
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
452 * @param nid revision of the file
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
453 * @return changeset revision
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
454 * @throws HgInvalidRevisionException if supplied argument doesn't represent revision index in this revlog
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
455 * @throws HgInvalidControlFileException if access to revlog index/data entry failed
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
456 */
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
457 public Nodeid getChangesetRevision(Nodeid nid) throws HgInvalidControlFileException, HgInvalidRevisionException {
367
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 366
diff changeset
458 int changelogRevision = getChangesetRevisionIndex(getRevisionIndex(nid));
88
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 79
diff changeset
459 return getRepo().getChangelog().getRevision(changelogRevision);
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 79
diff changeset
460 }
78
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
461
354
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
462 /**
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
463 *
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
464 * @return
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
465 * @throws HgDataStreamException if attempt to access file metadata failed
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
466 */
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: 51 148
diff changeset
467 public boolean isCopy() throws HgDataStreamException {
134
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 133
diff changeset
468 if (metadata == null || !metadata.checked(0)) {
275
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 245
diff changeset
469 checkAndRecordMetadata(0);
78
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
470 }
134
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 133
diff changeset
471 if (!metadata.known(0)) {
78
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
472 return false;
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
473 }
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
474 return metadata.find(0, "copy") != null;
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
475 }
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
476
354
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
477 /**
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
478 * Get name of the file this one was copied from.
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
479 *
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
480 * @return name of the file origin
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
481 * @throws HgDataStreamException if attempt to access file metadata failed
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
482 * @throws UnsupportedOperationException if this file doesn't represent a copy ({@link #isCopy()} was false)
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
483 */
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: 51 148
diff changeset
484 public Path getCopySourceName() throws HgDataStreamException {
78
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
485 if (isCopy()) {
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
486 return Path.create(metadata.find(0, "copy"));
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
487 }
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
488 throw new UnsupportedOperationException(); // XXX REVISIT, think over if Exception is good (clients would check isCopy() anyway, perhaps null is sufficient?)
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
489 }
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
490
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: 51 148
diff changeset
491 public Nodeid getCopySourceRevision() throws HgDataStreamException {
78
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
492 if (isCopy()) {
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
493 return Nodeid.fromAscii(metadata.find(0, "copyrev")); // XXX reuse/cache Nodeid
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
494 }
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
495 throw new UnsupportedOperationException();
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
496 }
88
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 79
diff changeset
497
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 79
diff changeset
498 @Override
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 79
diff changeset
499 public String toString() {
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 79
diff changeset
500 StringBuilder sb = new StringBuilder(getClass().getSimpleName());
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 79
diff changeset
501 sb.append('(');
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 79
diff changeset
502 sb.append(getPath());
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 79
diff changeset
503 sb.append(')');
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 79
diff changeset
504 return sb.toString();
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 79
diff changeset
505 }
275
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 245
diff changeset
506
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 245
diff changeset
507 private void checkAndRecordMetadata(int localRev) throws HgDataStreamException {
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 245
diff changeset
508 // content() always initializes metadata.
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 245
diff changeset
509 // FIXME this is expensive way to find out metadata, distinct RevlogStream.Iterator would be better.
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 245
diff changeset
510 // Alternatively, may parameterize MetadataContentPipe to do prepare only.
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 245
diff changeset
511 // For reference, when throwing CancelledException, hg status -A --rev 3:80 takes 70 ms
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 245
diff changeset
512 // however, if we just consume buffer instead (buffer.position(buffer.limit()), same command takes ~320ms
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 245
diff changeset
513 // (compared to command-line counterpart of 190ms)
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 245
diff changeset
514 try {
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 245
diff changeset
515 content(localRev, new ByteChannel() { // No-op channel
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 245
diff changeset
516 public int write(ByteBuffer buffer) throws IOException, CancelledException {
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 245
diff changeset
517 throw new CancelledException();
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 245
diff changeset
518 }
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 245
diff changeset
519 });
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 245
diff changeset
520 } catch (CancelledException ex) {
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 245
diff changeset
521 // it's ok, we did that
366
189dc6dc1c3e Use exceptions to expose errors reading mercurial data
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 355
diff changeset
522 } catch (HgInvalidControlFileException ex) {
189dc6dc1c3e Use exceptions to expose errors reading mercurial data
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 355
diff changeset
523 throw new HgDataStreamException(getPath(), ex);
275
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 245
diff changeset
524 }
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 245
diff changeset
525 }
78
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
526
88
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 79
diff changeset
527 private static final class MetadataEntry {
78
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
528 private final String entry;
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
529 private final int valueStart;
388
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 383
diff changeset
530
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 383
diff changeset
531 // key may be null
78
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
532 /*package-local*/MetadataEntry(String key, String value) {
388
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 383
diff changeset
533 if (key == null) {
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 383
diff changeset
534 entry = value;
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 383
diff changeset
535 valueStart = -1; // not 0 to tell between key == null and key == ""
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 383
diff changeset
536 } else {
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 383
diff changeset
537 entry = key + value;
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 383
diff changeset
538 valueStart = key.length();
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 383
diff changeset
539 }
78
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
540 }
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
541 /*package-local*/boolean matchKey(String key) {
388
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 383
diff changeset
542 return key == null ? valueStart == -1 : key.length() == valueStart && entry.startsWith(key);
78
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
543 }
134
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 133
diff changeset
544 // uncomment once/if needed
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 133
diff changeset
545 // public String key() {
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 133
diff changeset
546 // return entry.substring(0, valueStart);
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 133
diff changeset
547 // }
78
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
548 public String value() {
388
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 383
diff changeset
549 return valueStart == -1 ? entry : entry.substring(valueStart);
78
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
550 }
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
551 }
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
552
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
553 private static class Metadata {
276
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
554 private static class Record {
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
555 public final int offset;
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
556 public final MetadataEntry[] entries;
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
557
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
558 public Record(int off, MetadataEntry[] entr) {
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
559 offset = off;
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
560 entries = entr;
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
561 }
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
562 }
78
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
563 // XXX sparse array needed
276
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
564 private final IntMap<Record> entries = new IntMap<Record>(5);
134
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 133
diff changeset
565
276
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
566 private final Record NONE = new Record(-1, null); // don't want statics
134
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 133
diff changeset
567
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 133
diff changeset
568 // true when there's metadata for given revision
78
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
569 boolean known(int revision) {
276
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
570 Record i = entries.get(revision);
134
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 133
diff changeset
571 return i != null && NONE != i;
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 133
diff changeset
572 }
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 133
diff changeset
573
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 133
diff changeset
574 // true when revision has been checked for metadata presence.
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 133
diff changeset
575 public boolean checked(int revision) {
276
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
576 return entries.containsKey(revision);
78
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
577 }
134
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 133
diff changeset
578
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 133
diff changeset
579 // true when revision has been checked and found not having any metadata
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 133
diff changeset
580 boolean none(int revision) {
276
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
581 Record i = entries.get(revision);
134
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 133
diff changeset
582 return i == NONE;
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 133
diff changeset
583 }
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 133
diff changeset
584
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 133
diff changeset
585 // mark revision as having no metadata.
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 133
diff changeset
586 void recordNone(int revision) {
276
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
587 Record i = entries.get(revision);
134
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 133
diff changeset
588 if (i == NONE) {
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 133
diff changeset
589 return; // already there
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 133
diff changeset
590 }
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 133
diff changeset
591 if (i != null) {
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 133
diff changeset
592 throw new IllegalStateException(String.format("Trying to override Metadata state for revision %d (known offset: %d)", revision, i));
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 133
diff changeset
593 }
276
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
594 entries.put(revision, NONE);
134
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 133
diff changeset
595 }
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 133
diff changeset
596
78
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
597 // since this is internal class, callers are supposed to ensure arg correctness (i.e. ask known() before)
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
598 int dataOffset(int revision) {
276
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
599 return entries.get(revision).offset;
78
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
600 }
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
601 void add(int revision, int dataOffset, Collection<MetadataEntry> e) {
276
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
602 assert !entries.containsKey(revision);
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
603 entries.put(revision, new Record(dataOffset, e.toArray(new MetadataEntry[e.size()])));
78
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
604 }
276
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
605
78
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
606 String find(int revision, String key) {
276
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
607 for (MetadataEntry me : entries.get(revision).entries) {
78
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
608 if (me.matchKey(key)) {
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
609 return me.value();
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
610 }
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
611 }
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
612 return null;
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
613 }
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
614 }
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: 51 148
diff changeset
615
277
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
616 private static class MetadataInspector extends ErrorHandlingInspector implements RevlogStream.Inspector {
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: 51 148
diff changeset
617 private final Metadata metadata;
277
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
618 private final RevlogStream.Inspector delegate;
388
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 383
diff changeset
619 private final Path fname; // need these only for error reporting
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 383
diff changeset
620 private final LogFacility log;
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: 51 148
diff changeset
621
388
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 383
diff changeset
622 public MetadataInspector(Metadata _metadata, LogFacility logFacility, Path file, RevlogStream.Inspector chain) {
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: 51 148
diff changeset
623 metadata = _metadata;
215
41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 163
diff changeset
624 fname = file;
388
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 383
diff changeset
625 log = logFacility;
277
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
626 delegate = chain;
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
627 setCancelSupport(CancelSupport.Factory.get(chain));
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: 51 148
diff changeset
628 }
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: 51 148
diff changeset
629
366
189dc6dc1c3e Use exceptions to expose errors reading mercurial data
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 355
diff changeset
630 public void next(int revisionNumber, int actualLen, int baseRevision, int linkRevision, int parent1Revision, int parent2Revision, byte[] nodeid, DataAccess data) throws HgException {
277
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
631 try {
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
632 final int daLength = data.length();
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
633 if (daLength < 4 || data.readByte() != 1 || data.readByte() != 10) {
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
634 metadata.recordNone(revisionNumber);
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
635 data.reset();
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
636 } else {
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
637 ArrayList<MetadataEntry> _metadata = new ArrayList<MetadataEntry>();
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
638 int offset = parseMetadata(data, daLength, _metadata);
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
639 metadata.add(revisionNumber, offset, _metadata);
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
640 // da is in prepared state (i.e. we consumed all bytes up to metadata end).
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
641 // However, it's not safe to assume delegate won't call da.reset() for some reason,
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
642 // and we need to ensure predictable result.
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
643 data.reset();
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
644 data = new FilterDataAccess(data, offset, daLength - offset);
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
645 }
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
646 if (delegate != null) {
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
647 delegate.next(revisionNumber, actualLen, baseRevision, linkRevision, parent1Revision, parent2Revision, nodeid, data);
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
648 }
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
649 } catch (IOException ex) {
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
650 recordFailure(ex);
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
651 } catch (HgDataStreamException ex) {
367
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 366
diff changeset
652 recordFailure(ex.setRevisionIndex(revisionNumber));
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: 51 148
diff changeset
653 }
277
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
654 }
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
655
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
656 private int parseMetadata(DataAccess data, final int daLength, ArrayList<MetadataEntry> _metadata) throws IOException, HgDataStreamException {
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: 51 148
diff changeset
657 int lastEntryStart = 2;
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: 51 148
diff changeset
658 int lastColon = -1;
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: 51 148
diff changeset
659 // XXX in fact, need smth like ByteArrayBuilder, similar to StringBuilder,
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: 51 148
diff changeset
660 // which can't be used here because we can't convert bytes to chars as we read them
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: 51 148
diff changeset
661 // (there might be multi-byte encoding), and we need to collect all bytes before converting to string
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: 51 148
diff changeset
662 ByteArrayOutputStream bos = new ByteArrayOutputStream();
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: 51 148
diff changeset
663 String key = null, value = null;
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: 51 148
diff changeset
664 boolean byteOne = false;
323
4c7e3ba67213 Exception when analyzing metadata of an empty renamed file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
665 boolean metadataIsComplete = false;
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: 51 148
diff changeset
666 for (int i = 2; i < daLength; i++) {
277
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
667 byte b = data.readByte();
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: 51 148
diff changeset
668 if (b == '\n') {
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: 51 148
diff changeset
669 if (byteOne) { // i.e. \n follows 1
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: 51 148
diff changeset
670 lastEntryStart = i+1;
323
4c7e3ba67213 Exception when analyzing metadata of an empty renamed file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
671 metadataIsComplete = true;
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: 51 148
diff changeset
672 // XXX is it possible to have here incomplete key/value (i.e. if last pair didn't end with \n)
323
4c7e3ba67213 Exception when analyzing metadata of an empty renamed file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
673 // if yes, need to set metadataIsComplete to true in that case as well
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: 51 148
diff changeset
674 break;
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: 51 148
diff changeset
675 }
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: 51 148
diff changeset
676 if (key == null || lastColon == -1 || i <= lastColon) {
388
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 383
diff changeset
677 log.error(getClass(), "Missing key in file revision metadata at index %d", i);
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: 51 148
diff changeset
678 }
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: 51 148
diff changeset
679 value = new String(bos.toByteArray()).trim();
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: 51 148
diff changeset
680 bos.reset();
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: 51 148
diff changeset
681 _metadata.add(new MetadataEntry(key, value));
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: 51 148
diff changeset
682 key = value = null;
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: 51 148
diff changeset
683 lastColon = -1;
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: 51 148
diff changeset
684 lastEntryStart = i+1;
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: 51 148
diff changeset
685 continue;
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: 51 148
diff changeset
686 }
277
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
687 // byteOne has to be consumed up to this line, if not yet, consume it
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: 51 148
diff changeset
688 if (byteOne) {
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: 51 148
diff changeset
689 // insert 1 we've read on previous step into the byte builder
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: 51 148
diff changeset
690 bos.write(1);
277
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
691 byteOne = false;
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: 51 148
diff changeset
692 // fall-through to consume current byte
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: 51 148
diff changeset
693 }
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: 51 148
diff changeset
694 if (b == (int) ':') {
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: 51 148
diff changeset
695 assert value == null;
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: 51 148
diff changeset
696 key = new String(bos.toByteArray());
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: 51 148
diff changeset
697 bos.reset();
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: 51 148
diff changeset
698 lastColon = i;
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: 51 148
diff changeset
699 } else if (b == 1) {
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: 51 148
diff changeset
700 byteOne = true;
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: 51 148
diff changeset
701 } else {
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: 51 148
diff changeset
702 bos.write(b);
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: 51 148
diff changeset
703 }
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: 51 148
diff changeset
704 }
323
4c7e3ba67213 Exception when analyzing metadata of an empty renamed file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
705 // data.isEmpty is not reliable, renamed files of size==0 keep only metadata
4c7e3ba67213 Exception when analyzing metadata of an empty renamed file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
706 if (!metadataIsComplete) {
4c7e3ba67213 Exception when analyzing metadata of an empty renamed file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
707 // XXX perhaps, worth a testcase (empty file, renamed, read or ask ifCopy
277
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
708 throw new HgDataStreamException(fname, "Metadata is not closed properly", null);
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: 51 148
diff changeset
709 }
277
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
710 return lastEntryStart;
17
571e1b2cc3f7 Query file for its parents. Demo of recently added ignore and digest support from within cat cmd
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 5
diff changeset
711 }
322
d68dcb3b5f49 Propagate command's CancelSupport to low-level API. CancelSupport from context got priority over one from command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 317
diff changeset
712
d68dcb3b5f49 Propagate command's CancelSupport to low-level API. CancelSupport from context got priority over one from command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 317
diff changeset
713 @Override
d68dcb3b5f49 Propagate command's CancelSupport to low-level API. CancelSupport from context got priority over one from command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 317
diff changeset
714 public void checkFailed() throws HgException, IOException, CancelledException {
d68dcb3b5f49 Propagate command's CancelSupport to low-level API. CancelSupport from context got priority over one from command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 317
diff changeset
715 super.checkFailed();
d68dcb3b5f49 Propagate command's CancelSupport to low-level API. CancelSupport from context got priority over one from command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 317
diff changeset
716 if (delegate instanceof ErrorHandlingInspector) {
d68dcb3b5f49 Propagate command's CancelSupport to low-level API. CancelSupport from context got priority over one from command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 317
diff changeset
717 // XXX need to add ErrorDestination and pass it around (much like CancelSupport get passed)
d68dcb3b5f49 Propagate command's CancelSupport to low-level API. CancelSupport from context got priority over one from command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 317
diff changeset
718 // so that delegate would be able report its failures directly to caller without this hack
d68dcb3b5f49 Propagate command's CancelSupport to low-level API. CancelSupport from context got priority over one from command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 317
diff changeset
719 ((ErrorHandlingInspector) delegate).checkFailed();
d68dcb3b5f49 Propagate command's CancelSupport to low-level API. CancelSupport from context got priority over one from command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 317
diff changeset
720 }
d68dcb3b5f49 Propagate command's CancelSupport to low-level API. CancelSupport from context got priority over one from command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 317
diff changeset
721 }
17
571e1b2cc3f7 Query file for its parents. Demo of recently added ignore and digest support from within cat cmd
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 5
diff changeset
722 }
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
723 }