Mercurial > hg4j

annotate src/org/tmatesoft/hg/repo/HgDataFile.java @ 425:48f993aa2f41

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
FIXMEs: exceptions, javadoc
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Wed, 28 Mar 2012 18:39:29 +0200
parents 6437d261048a
children 063b0663495a
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;
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
31
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
32 import org.tmatesoft.hg.core.HgChangesetFileSneaker;
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 56
diff changeset
33 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
34 import org.tmatesoft.hg.internal.DataAccess;
121
b1d6208fb517 Conditionally apply filters to file content
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 115
diff changeset
35 import org.tmatesoft.hg.internal.FilterByteChannel;
277
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
36 import org.tmatesoft.hg.internal.FilterDataAccess;
276
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
37 import org.tmatesoft.hg.internal.IntMap;
420
6c22bdc0bdfd Respect long offsets in revlogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 417
diff changeset
38 import org.tmatesoft.hg.internal.Internals;
77
c677e1593919 Moved RevlogStream implementation into .internal
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 74
diff changeset
39 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
40 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
41 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
42 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
43 import org.tmatesoft.hg.util.LogFacility;
305
ae8d116f4ee2 Experimental code to build file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 300
diff changeset
44 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
45 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
46 import org.tmatesoft.hg.util.ProgressSupport;
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 56
diff changeset
47
5
fc265ddeab26 File content and non-effective, although working, patch application
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 3
diff changeset
48
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
49
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
50 /**
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
51 * Regular user data file stored in the repository.
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
52 *
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
53 * <p> Note, most methods accept index in the file's revision history, not that of changelog. Easy way to obtain
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
54 * changeset revision index from file's is to use {@link #getChangesetRevisionIndex(int)}. To obtain file's revision
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
55 * index for a given changeset, {@link HgManifest#getFileRevision(int, Path)} or {@link HgChangesetFileSneaker} may
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
56 * come handy.
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 /**
416
d30083c80d52 Better names - non-confusing and aligned with the rest of API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 415
diff changeset
91 * Handy shorthand for {@link #getLength(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
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
96 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
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
97 */
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
98 public int getLength(Nodeid nodeid) throws HgRuntimeException {
396
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 388
diff changeset
99 try {
416
d30083c80d52 Better names - non-confusing and aligned with the rest of API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 415
diff changeset
100 return getLength(getRevisionIndex(nodeid));
396
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 388
diff changeset
101 } catch (HgInvalidControlFileException ex) {
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 388
diff changeset
102 throw ex.isRevisionSet() ? ex : ex.setRevision(nodeid);
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 388
diff changeset
103 } catch (HgInvalidRevisionException ex) {
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 388
diff changeset
104 throw ex.isRevisionSet() ? ex : ex.setRevision(nodeid);
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 388
diff changeset
105 }
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 }
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
107
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
108 /**
368
8107b95f4280 Update Javadoc with 'revision index'
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 367
diff changeset
109 * @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
110 * @return size of the file content at the revision identified by local revision number.
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
111 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
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
112 */
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
113 public int getLength(int fileRevisionIndex) throws HgRuntimeException {
401
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
114 if (wrongRevisionIndex(fileRevisionIndex) || fileRevisionIndex == BAD_REVISION) {
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
115 throw new HgInvalidRevisionException(fileRevisionIndex);
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
116 }
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
117 if (fileRevisionIndex == TIP) {
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
118 fileRevisionIndex = getLastRevision();
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
119 } else if (fileRevisionIndex == WORKING_COPY) {
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
120 File f = getRepo().getFile(this);
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
121 if (f.exists()) {
420
6c22bdc0bdfd Respect long offsets in revlogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 417
diff changeset
122 // single revision can't be greater than 2^32, shall be safe to cast to int
6c22bdc0bdfd Respect long offsets in revlogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 417
diff changeset
123 return Internals.ltoi(f.length());
401
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
124 }
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
125 Nodeid fileRev = getWorkingCopyRevision();
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
126 if (fileRev == null) {
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
127 throw new HgInvalidRevisionException(String.format("File %s is not part of working copy", getPath()), null, fileRevisionIndex);
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
128 }
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
129 fileRevisionIndex = getRevisionIndex(fileRev);
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
130 }
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
131 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
132 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
133 }
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
134 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
135 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
136 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
137 }
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
138 return dataLen;
22
603806cd2dc6 Status of local working dir against non-tip base revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 21
diff changeset
139 }
416
d30083c80d52 Better names - non-confusing and aligned with the rest of API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 415
diff changeset
140
d30083c80d52 Better names - non-confusing and aligned with the rest of API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 415
diff changeset
141 /**
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
142 * 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
143 * any filters is supplied through the sink. If file does not exist in the working dir, this method provides content of a file
401
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
144 * as if it would be refreshed in the working copy, i.e. its corresponding revision (according to dirstate) is read from the
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
145 * repository, and filters repo -> working copy get applied.
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
146 *
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
147 * NOTE, if file is missing from the working directory and is not part of the dirstate (but otherwise legal repository file,
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
148 * e.g. from another branch), no content would be supplied.
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
149 *
396
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 388
diff changeset
150 * @param sink content consumer
380
9517df1ef7ec Comments/javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 368
diff changeset
151 * @throws CancelledException if execution of the operation was cancelled
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
152 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
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
153 */
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
154 public void workingCopy(ByteChannel sink) throws CancelledException, HgRuntimeException {
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
155 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
156 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
157 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
158 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
159 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
160 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
161 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
162 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
163 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
164 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
165 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
166 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
167 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
168 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
169 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
170 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
171 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
172 }
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
173 } catch (IOException ex) {
396
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 388
diff changeset
174 throw new HgInvalidFileException("Working copy read failed", ex, f);
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
175 } 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
176 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
177 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
178 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
179 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
180 } 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
181 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
182 }
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
183 }
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 }
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
185 } else {
401
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
186 Nodeid fileRev = getWorkingCopyRevision();
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
187 if (fileRev == null) {
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
188 // no content for this data file in the working copy - it is not part of the actual working state.
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
189 // XXX perhaps, shall report this to caller somehow, not silently pass no data?
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
190 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
191 }
401
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
192 final int fileRevIndex = getRevisionIndex(fileRev);
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
193 contentWithFilters(fileRevIndex, sink);
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
194 }
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
195 }
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
196
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
197 /**
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
198 * @return file revision as recorded in repository manifest for dirstate parent, or <code>null</code> if no file revision can be found
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
199 */
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
200 private Nodeid getWorkingCopyRevision() throws HgInvalidControlFileException {
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
201 final Pair<Nodeid, Nodeid> wcParents = getRepo().getWorkingCopyParents();
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
202 Nodeid p = wcParents.first().isNull() ? wcParents.second() : wcParents.first();
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
203 final HgChangelog clog = getRepo().getChangelog();
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
204 final int csetRevIndex;
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
205 if (p.isNull()) {
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
206 // no dirstate parents
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
207 getRepo().getContext().getLog().info(getClass(), "No dirstate parents, resort to TIP", getPath());
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
208 // if it's a repository with no dirstate, use TIP then
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
209 csetRevIndex = clog.getLastRevision();
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
210 if (csetRevIndex == -1) {
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
211 // shall not happen provided there's .i for this data file (hence at least one cset)
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
212 // and perhaps exception is better here. However, null as "can't find" indication seems reasonable.
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
213 return null;
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
214 }
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
215 } 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
216 // 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
217 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
218 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
219 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
220 } 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
221 // 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
222 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
223 }
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
224 }
401
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
225 Nodeid fileRev = getRepo().getManifest().getFileRevision(csetRevIndex, getPath());
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
226 // it's possible for a file to be in working dir and have store/.i but to belong e.g. to a different
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
227 // branch than the one from dirstate. Thus it's possible to get null fileRev
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
228 // which would serve as an indication this data file is not part of working copy
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
229 return fileRev;
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
230 }
115
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
231
396
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 388
diff changeset
232 /**
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 388
diff changeset
233 * Access content of a file revision
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 388
diff changeset
234 * XXX not sure distinct method contentWithFilters() is the best way to do, perhaps, callers shall add filters themselves?
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 388
diff changeset
235 *
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 388
diff changeset
236 * @param fileRevisionIndex - revision local index, non-negative. From predefined constants, {@link HgRepository#TIP} and {@link HgRepository#WORKING_COPY} make sense.
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 388
diff changeset
237 * @param sink content consumer
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 388
diff changeset
238 *
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 388
diff changeset
239 * @throws CancelledException if execution of the operation was cancelled
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
240 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
396
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 388
diff changeset
241 */
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
242 public void contentWithFilters(int fileRevisionIndex, ByteChannel sink) throws CancelledException, HgRuntimeException {
396
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 388
diff changeset
243 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
244 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
245 } else {
396
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 388
diff changeset
246 content(fileRevisionIndex, new FilterByteChannel(sink, getRepo().getFiltersFromRepoToWorkingDir(getPath())));
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
247 }
115
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
248 }
22
603806cd2dc6 Status of local working dir against non-tip base revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 21
diff changeset
249
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
250 /**
396
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 388
diff changeset
251 * Retrieve content of specific revision. Content is provided as is, without any filters (e.g. keywords, eol, etc.) applied.
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 388
diff changeset
252 * For filtered content, use {@link #contentWithFilters(int, ByteChannel)}.
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
253 *
368
8107b95f4280 Update Javadoc with 'revision index'
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 367
diff changeset
254 * @param fileRevisionIndex - revision local index, non-negative. From predefined constants, {@link HgRepository#TIP} and {@link HgRepository#WORKING_COPY} make sense.
396
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 388
diff changeset
255 * @param sink content consumer
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 388
diff changeset
256 *
380
9517df1ef7ec Comments/javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 368
diff changeset
257 * @throws CancelledException if execution of the operation was cancelled
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
258 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
367
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 366
diff changeset
259 */
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
260 public void content(int fileRevisionIndex, ByteChannel sink) throws CancelledException, HgRuntimeException {
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 // 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
262 // @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
263 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
264 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
265 }
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
266 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
267 // 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
268 // 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
269 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
270 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
271 }
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
272 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
273 throw new HgInvalidRevisionException(fileRevisionIndex);
148
1a7a9a20e1f9 Exceptions, javadoc. Initial cancel and progress support
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 135
diff changeset
274 }
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
275 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
276 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
277 }
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
278 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
279 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
280 }
277
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
281 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
282 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
283 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
284 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
285 } 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
286 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
287 } 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
288 // do not know if there's metadata
396
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 388
diff changeset
289 insp = new MetadataInspector(metadata, lf, 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
290 }
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
291 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
292 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
293 try {
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
294 insp.checkFailed();
396
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 388
diff changeset
295 } catch (HgInvalidControlFileException ex) {
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 388
diff changeset
296 ex = ex.setFileName(getPath());
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 388
diff changeset
297 throw ex.isRevisionIndexSet() ? ex : ex.setRevisionIndex(fileRevisionIndex);
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
298 } catch (IOException ex) {
396
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 388
diff changeset
299 HgInvalidControlFileException e = new HgInvalidControlFileException("Revision content access failed", ex, null);
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 388
diff changeset
300 throw content.initWithIndexFile(e).setFileName(getPath()).setRevisionIndex(fileRevisionIndex);
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
301 }
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
302 }
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
303
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
304 /**
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
305 * Walk complete change history of the file.
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
306 * @param inspector callback to visit changesets
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
307 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
308 */
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
309 public void history(HgChangelog.Inspector inspector) throws HgRuntimeException {
135
3959bffb14e9 explicit op name instead math op to get last rev number
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 134
diff changeset
310 history(0, getLastRevision(), inspector);
48
e34f90b9ded1 Limit option for history/log
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 37
diff changeset
311 }
e34f90b9ded1 Limit option for history/log
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 37
diff changeset
312
417
ccd7d25e5aea New and better name for HgFileInformer - HgChangesetFileSneaker. Explain (comments) ties between HgManifest, HgDataFile, HgChangesetFileSneaker and reasons for method placement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 416
diff changeset
313 /**
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
314 * Walk subset of the file's change history.
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
315 * @param start revision local index, inclusive; non-negative or {@link HgRepository#TIP}
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
316 * @param end revision local index, inclusive; non-negative or {@link HgRepository#TIP}
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
317 * @param inspector callback to visit changesets
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
318 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
417
ccd7d25e5aea New and better name for HgFileInformer - HgChangesetFileSneaker. Explain (comments) ties between HgManifest, HgDataFile, HgChangesetFileSneaker and reasons for method placement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 416
diff changeset
319 */
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
320 public void history(int start, int end, HgChangelog.Inspector inspector) throws HgRuntimeException {
3
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
321 if (!exists()) {
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
322 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
323 }
135
3959bffb14e9 explicit op name instead math op to get last rev number
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 134
diff changeset
324 final int last = getLastRevision();
77
c677e1593919 Moved RevlogStream implementation into .internal
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 74
diff changeset
325 if (end == TIP) {
c677e1593919 Moved RevlogStream implementation into .internal
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 74
diff changeset
326 end = last;
c677e1593919 Moved RevlogStream implementation into .internal
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 74
diff changeset
327 }
300
650b45d290b1 Share range check code
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
328 if (start == TIP) {
650b45d290b1 Share range check code
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
329 start = last;
650b45d290b1 Share range check code
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
330 }
650b45d290b1 Share range check code
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
331 HgInternals.checkRevlogRange(start, end, last);
650b45d290b1 Share range check code
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
332
48
e34f90b9ded1 Limit option for history/log
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 37
diff changeset
333 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
334 final boolean[] needsSorting = { false };
77
c677e1593919 Moved RevlogStream implementation into .internal
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 74
diff changeset
335 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
336 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
337 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
338 if (count > 0) {
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 240
diff changeset
339 if (commitRevisions[count -1] > linkRevision) {
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 240
diff changeset
340 needsSorting[0] = true;
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 240
diff changeset
341 }
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 240
diff changeset
342 }
3
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
343 commitRevisions[count++] = linkRevision;
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
344 }
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
345 };
48
e34f90b9ded1 Limit option for history/log
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 37
diff changeset
346 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
347 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
348 if (needsSorting[0]) {
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 240
diff changeset
349 // 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
350 // (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
351 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
352 }
245
2fb439375ddc Avoid sorting revision range twice
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 242
diff changeset
353 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
354 }
88
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 79
diff changeset
355
354
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
356 /**
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
357 * 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
358 *
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
359 * @return changeset revision index
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
360 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
354
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
361 */
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
362 public int getChangesetRevisionIndex(int revision) throws HgRuntimeException {
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
363 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
364 }
88
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 79
diff changeset
365
354
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
366 /**
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
367 * 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
368 *
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
369 * @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
370 * @return changeset revision
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
371 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
354
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
372 */
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
373 public Nodeid getChangesetRevision(Nodeid nid) throws HgRuntimeException {
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
374 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
375 return getRepo().getChangelog().getRevision(changelogRevision);
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 79
diff changeset
376 }
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
377
354
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
378 /**
396
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 388
diff changeset
379 * Tells whether this file originates from another repository file
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 388
diff changeset
380 * @return <code>true</code> if this file is a copy of another from the repository
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
381 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
354
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
382 */
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
383 public boolean isCopy() throws HgRuntimeException {
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
384 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
385 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
386 }
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
387 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
388 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
389 }
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
390 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
391 }
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
392
354
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
393 /**
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
394 * 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
395 *
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
396 * @return name of the file origin
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
397 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
354
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
398 */
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
399 public Path getCopySourceName() throws HgRuntimeException {
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
400 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
401 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
402 }
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
403 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
404 }
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
405
415
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 401
diff changeset
406 /**
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 401
diff changeset
407 *
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 401
diff changeset
408 * @return revision this file was copied from
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
409 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
415
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 401
diff changeset
410 */
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
411 public Nodeid getCopySourceRevision() throws HgRuntimeException {
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
412 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
413 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
414 }
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
415 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
416 }
417
ccd7d25e5aea New and better name for HgFileInformer - HgChangesetFileSneaker. Explain (comments) ties between HgManifest, HgDataFile, HgChangesetFileSneaker and reasons for method placement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 416
diff changeset
417
415
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 401
diff changeset
418 /**
417
ccd7d25e5aea New and better name for HgFileInformer - HgChangesetFileSneaker. Explain (comments) ties between HgManifest, HgDataFile, HgChangesetFileSneaker and reasons for method placement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 416
diff changeset
419 * Get file flags recorded in the manifest
416
d30083c80d52 Better names - non-confusing and aligned with the rest of API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 415
diff changeset
420 * @param fileRevisionIndex - revision local index, non-negative, or {@link HgRepository#TIP}.
417
ccd7d25e5aea New and better name for HgFileInformer - HgChangesetFileSneaker. Explain (comments) ties between HgManifest, HgDataFile, HgChangesetFileSneaker and reasons for method placement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 416
diff changeset
421 * @see HgManifest#getFileFlags(int, Path)
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
422 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
415
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 401
diff changeset
423 */
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
424 public HgManifest.Flags getFlags(int fileRevisionIndex) throws HgRuntimeException {
415
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 401
diff changeset
425 int changesetRevIndex = getChangesetRevisionIndex(fileRevisionIndex);
417
ccd7d25e5aea New and better name for HgFileInformer - HgChangesetFileSneaker. Explain (comments) ties between HgManifest, HgDataFile, HgChangesetFileSneaker and reasons for method placement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 416
diff changeset
426 return getRepo().getManifest().getFileFlags(changesetRevIndex, getPath());
415
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 401
diff changeset
427 }
416
d30083c80d52 Better names - non-confusing and aligned with the rest of API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 415
diff changeset
428
88
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 79
diff changeset
429 @Override
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 79
diff changeset
430 public String toString() {
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 79
diff changeset
431 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
432 sb.append('(');
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 79
diff changeset
433 sb.append(getPath());
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 79
diff changeset
434 sb.append(')');
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 79
diff changeset
435 return sb.toString();
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 79
diff changeset
436 }
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
437
396
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 388
diff changeset
438 private void checkAndRecordMetadata(int localRev) throws HgInvalidControlFileException {
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
439 // content() always initializes metadata.
401
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
440 // TODO [post-1.0] this is expensive way to find out metadata, distinct RevlogStream.Iterator would be better.
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
441 // 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
442 // 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
443 // 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
444 // (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
445 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
446 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
447 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
448 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
449 }
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
450 });
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
451 } 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
452 // 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
453 } catch (HgInvalidControlFileException ex) {
396
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 388
diff changeset
454 throw ex.isRevisionIndexSet() ? ex : ex.setRevisionIndex(localRev);
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
455 }
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
456 }
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
457
88
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 79
diff changeset
458 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
459 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
460 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
461
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
462 // 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
463 /*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
464 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
465 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
466 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
467 } 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
468 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
469 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
470 }
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
471 }
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 /*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
473 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
474 }
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
475 // 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
476 // 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
477 // 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
478 // }
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
479 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
480 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
481 }
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
482 }
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
483
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
484 private static class Metadata {
276
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
485 private static class Record {
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
486 public final int offset;
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
487 public final MetadataEntry[] entries;
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
488
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
489 public Record(int off, MetadataEntry[] entr) {
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
490 offset = off;
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
491 entries = entr;
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
492 }
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
493 }
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
494 // XXX sparse array needed
276
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
495 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
496
276
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
497 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
498
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 133
diff changeset
499 // 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
500 boolean known(int revision) {
276
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
501 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
502 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
503 }
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 133
diff changeset
504
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 133
diff changeset
505 // 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
506 public boolean checked(int revision) {
276
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
507 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
508 }
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
509
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 133
diff changeset
510 // 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
511 boolean none(int revision) {
276
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
512 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
513 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
514 }
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 133
diff changeset
515
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 133
diff changeset
516 // 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
517 void recordNone(int revision) {
276
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
518 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
519 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
520 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
521 }
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 133
diff changeset
522 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
523 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
524 }
276
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
525 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
526 }
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 133
diff changeset
527
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 // 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
529 int dataOffset(int revision) {
276
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
530 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
531 }
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 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
533 assert !entries.containsKey(revision);
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
534 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
535 }
276
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
536
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
537 String find(int revision, String key) {
276
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
538 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
539 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
540 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
541 }
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
542 }
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 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
544 }
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
545 }
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
546
277
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
547 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
548 private final Metadata metadata;
277
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
549 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
550 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
551
396
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 388
diff changeset
552 public MetadataInspector(Metadata _metadata, LogFacility logFacility, 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
553 metadata = _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
554 log = logFacility;
277
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
555 delegate = chain;
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
556 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
557 }
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
558
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 420
diff changeset
559 public void next(int revisionNumber, int actualLen, int baseRevision, int linkRevision, int parent1Revision, int parent2Revision, byte[] nodeid, DataAccess data) {
277
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
560 try {
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
561 final int daLength = data.length();
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
562 if (daLength < 4 || data.readByte() != 1 || data.readByte() != 10) {
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
563 metadata.recordNone(revisionNumber);
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
564 data.reset();
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
565 } else {
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
566 ArrayList<MetadataEntry> _metadata = new ArrayList<MetadataEntry>();
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
567 int offset = parseMetadata(data, daLength, _metadata);
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
568 metadata.add(revisionNumber, offset, _metadata);
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
569 // 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
570 // 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
571 // and we need to ensure predictable result.
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
572 data.reset();
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
573 data = new FilterDataAccess(data, offset, daLength - offset);
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
574 }
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
575 if (delegate != null) {
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
576 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
577 }
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
578 } catch (IOException ex) {
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
579 recordFailure(ex);
396
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 388
diff changeset
580 } catch (HgInvalidControlFileException ex) {
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 420
diff changeset
581 // TODO RevlogStream, where this RevlogStream.Inspector goes, shall set File (as it's the only one having access to it)
396
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 388
diff changeset
582 recordFailure(ex.isRevisionIndexSet() ? ex : 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
583 }
277
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
584 }
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
585
396
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 388
diff changeset
586 private int parseMetadata(DataAccess data, final int daLength, ArrayList<MetadataEntry> _metadata) throws IOException, HgInvalidControlFileException {
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
587 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
588 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
589 // 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
590 // 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
591 // (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
592 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
593 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
594 boolean byteOne = false;
323
4c7e3ba67213 Exception when analyzing metadata of an empty renamed file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
595 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
596 for (int i = 2; i < daLength; i++) {
277
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
597 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
598 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
599 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
600 lastEntryStart = i+1;
323
4c7e3ba67213 Exception when analyzing metadata of an empty renamed file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
601 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
602 // 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
603 // 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
604 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
605 }
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
606 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
607 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
608 }
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
609 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
610 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
611 _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
612 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
613 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
614 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
615 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
616 }
277
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
617 // 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
618 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
619 // 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
620 bos.write(1);
277
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
621 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
622 // 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
623 }
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
624 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
625 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
626 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
627 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
628 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
629 } 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
630 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
631 } 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
632 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
633 }
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
634 }
323
4c7e3ba67213 Exception when analyzing metadata of an empty renamed file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
635 // 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
636 if (!metadataIsComplete) {
4c7e3ba67213 Exception when analyzing metadata of an empty renamed file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
637 // XXX perhaps, worth a testcase (empty file, renamed, read or ask ifCopy
396
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 388
diff changeset
638 throw new HgInvalidControlFileException("Metadata is not closed properly", null, 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
639 }
277
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
640 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
641 }
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
642
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
643 @Override
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
644 public void checkFailed() throws HgRuntimeException, IOException, CancelledException {
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
645 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
646 if (delegate instanceof ErrorHandlingInspector) {
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
647 // TODO need to add ErrorDestination (ErrorTarget/Acceptor?) and pass it around (much like CancelSupport get passed)
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
648 // 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
649 ((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
650 }
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
651 }
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
652 }
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
653 }