Mercurial > jhg

annotate src/org/tmatesoft/hg/repo/HgDataFile.java @ 543:1e95f48d9886

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Report line index for insertion and deletion, test against 'hg diff' output
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Fri, 15 Feb 2013 15:52:03 +0100
parents abfbe81154b5
children e4ee4bf4c7d0
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.*;
456
909306e412e2 Refactor LogFacility and SessionContext, better API for both
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 437
diff changeset
21 import static org.tmatesoft.hg.util.LogFacility.Severity.*;
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 56
diff changeset
22
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
23 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
24 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
25 import java.io.FileInputStream;
148
1a7a9a20e1f9 Exceptions, javadoc. Initial cancel and progress support
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 135
diff changeset
26 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
27 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
28 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
29 import java.util.ArrayList;
240
29231022fec8 Do not expect file history to be ordered
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 237
diff changeset
30 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
31 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
32
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
33 import org.tmatesoft.hg.core.HgChangesetFileSneaker;
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 56
diff changeset
34 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
35 import org.tmatesoft.hg.internal.DataAccess;
121
b1d6208fb517 Conditionally apply filters to file content
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 115
diff changeset
36 import org.tmatesoft.hg.internal.FilterByteChannel;
277
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
37 import org.tmatesoft.hg.internal.FilterDataAccess;
276
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
38 import org.tmatesoft.hg.internal.IntMap;
420
6c22bdc0bdfd Respect long offsets in revlogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 417
diff changeset
39 import org.tmatesoft.hg.internal.Internals;
77
c677e1593919 Moved RevlogStream implementation into .internal
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 74
diff changeset
40 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
41 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
42 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
43 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
44 import org.tmatesoft.hg.util.LogFacility;
305
ae8d116f4ee2 Experimental code to build file history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 300
diff changeset
45 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
46 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
47 import org.tmatesoft.hg.util.ProgressSupport;
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 56
diff changeset
48
5
fc265ddeab26 File content and non-effective, although working, patch application
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 3
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 */
426
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
61 public final class HgDataFile extends Revlog {
2
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.
426
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
80 // it might be confused with files existed before but lately removed. TODO HgFileNode.exists makes more sense.
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
81 // or HgDataFile.known()
3
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
82 public boolean exists() {
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
83 return content != null; // XXX need better impl
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
84 }
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
85
426
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
86 /**
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
87 * Human-readable file name, i.e. "COPYING", not "store/data/_c_o_p_y_i_n_g.i"
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 425
diff changeset
88 */
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 56
diff changeset
89 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
90 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
91 }
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
92
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
93 /**
416
d30083c80d52 Better names - non-confusing and aligned with the rest of API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 415
diff changeset
94 * 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
95 *
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
96 * @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
97 *
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
98 * @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
99 * @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
100 */
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
101 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
102 try {
416
d30083c80d52 Better names - non-confusing and aligned with the rest of API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 415
diff changeset
103 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
104 } 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
105 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
106 } 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
107 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
108 }
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
109 }
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
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
111 /**
368
8107b95f4280 Update Javadoc with 'revision index'
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 367
diff changeset
112 * @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
113 * @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
114 * @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
115 */
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
116 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
117 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
118 throw new HgInvalidRevisionException(fileRevisionIndex);
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
119 }
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
120 if (fileRevisionIndex == TIP) {
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
121 fileRevisionIndex = getLastRevision();
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
122 } else if (fileRevisionIndex == WORKING_COPY) {
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
123 File f = getRepo().getFile(this);
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
124 if (f.exists()) {
420
6c22bdc0bdfd Respect long offsets in revlogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 417
diff changeset
125 // 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
126 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
127 }
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
128 Nodeid fileRev = getWorkingCopyRevision();
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
129 if (fileRev == null) {
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
130 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
131 }
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
132 fileRevisionIndex = getRevisionIndex(fileRev);
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
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 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
135 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
136 }
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
137 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
138 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
139 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
140 }
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
141 return dataLen;
22
603806cd2dc6 Status of local working dir against non-tip base revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 21
diff changeset
142 }
416
d30083c80d52 Better names - non-confusing and aligned with the rest of API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 415
diff changeset
143
d30083c80d52 Better names - non-confusing and aligned with the rest of API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 415
diff changeset
144 /**
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
145 * 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
146 * 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
147 * 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
148 * 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
149 *
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
150 * 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
151 * 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
152 *
396
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 388
diff changeset
153 * @param sink content consumer
380
9517df1ef7ec Comments/javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 368
diff changeset
154 * @throws CancelledException if execution of the operation was cancelled
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
155 * @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
156 */
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
157 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
158 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
159 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
160 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
161 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
162 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
163 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
164 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
165 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
166 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
167 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
168 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
169 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
170 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
171 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
172 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
173 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
174 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
175 }
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 } 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
177 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
178 } 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
179 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
180 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
181 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
182 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
183 } catch (IOException ex) {
490
b3c16d1aede0 Refactoring: move HgRepository's implementation aspects to Internals (which is now its imlementation counterpart and primary repository class to be used by other parts of the library)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
184 getRepo().getSessionContext().getLog().dump(getClass(), Warn, 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
185 }
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
186 }
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
187 }
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
188 } else {
401
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
189 Nodeid fileRev = getWorkingCopyRevision();
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
190 if (fileRev == null) {
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
191 // 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
192 // 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
193 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
194 }
401
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
195 final int fileRevIndex = getRevisionIndex(fileRev);
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
196 contentWithFilters(fileRevIndex, sink);
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 }
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 /**
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
201 * @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
202 */
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
203 private Nodeid getWorkingCopyRevision() throws HgInvalidControlFileException {
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
204 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
205 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
206 final HgChangelog clog = getRepo().getChangelog();
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
207 final int csetRevIndex;
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
208 if (p.isNull()) {
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
209 // no dirstate parents
490
b3c16d1aede0 Refactoring: move HgRepository's implementation aspects to Internals (which is now its imlementation counterpart and primary repository class to be used by other parts of the library)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
210 getRepo().getSessionContext().getLog().dump(getClass(), Info, "No dirstate parents, resort to TIP", getPath());
401
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
211 // 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
212 csetRevIndex = clog.getLastRevision();
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
213 if (csetRevIndex == -1) {
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
214 // 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
215 // 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
216 return null;
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
217 }
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
218 } 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
219 // 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
220 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
221 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
222 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
223 } 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
224 // 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
225 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
226 }
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
227 }
401
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 396
diff changeset
228 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
229 // 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
230 // 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
231 // 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
232 return fileRev;
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
233 }
115
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
234
396
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 * 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
237 * 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
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 * @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
240 * @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
241 *
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 388
diff changeset
242 * @throws CancelledException if execution of the operation was cancelled
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
243 * @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
244 */
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
245 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
246 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
247 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
248 } 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
249 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
250 }
115
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
251 }
22
603806cd2dc6 Status of local working dir against non-tip base revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 21
diff changeset
252
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 /**
396
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 388
diff changeset
254 * 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
255 * 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
256 *
368
8107b95f4280 Update Javadoc with 'revision index'
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 367
diff changeset
257 * @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
258 * @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
259 *
380
9517df1ef7ec Comments/javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 368
diff changeset
260 * @throws CancelledException if execution of the operation was cancelled
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
261 * @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
262 */
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
263 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
264 // 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
265 // @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
266 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
267 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
268 }
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
269 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
270 // 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
271 // 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
272 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
273 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
274 }
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
275 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
276 throw new HgInvalidRevisionException(fileRevisionIndex);
148
1a7a9a20e1f9 Exceptions, javadoc. Initial cancel and progress support
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 135
diff changeset
277 }
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
278 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
279 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
280 }
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
281 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
282 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
283 }
277
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
284 ErrorHandlingInspector insp;
490
b3c16d1aede0 Refactoring: move HgRepository's implementation aspects to Internals (which is now its imlementation counterpart and primary repository class to be used by other parts of the library)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
285 final LogFacility lf = getRepo().getSessionContext().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
286 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
287 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
288 } 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
289 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
290 } 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
291 // 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
292 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
293 }
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
294 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
295 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
296 try {
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
297 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
298 } 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
299 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
300 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
301 } 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
302 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
303 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
304 }
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
305 }
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
306
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
307 /**
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
308 * Walk complete change history of the file.
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
309 * @param inspector callback to visit changesets
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
310 * @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
311 */
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
312 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
313 history(0, getLastRevision(), inspector);
48
e34f90b9ded1 Limit option for history/log
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 37
diff changeset
314 }
e34f90b9ded1 Limit option for history/log
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 37
diff changeset
315
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
316 /**
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
317 * Walk subset of the file's change history.
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
318 * @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
319 * @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
320 * @param inspector callback to visit changesets
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
321 * @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
322 */
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
323 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
324 if (!exists()) {
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
325 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
326 }
135
3959bffb14e9 explicit op name instead math op to get last rev number
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 134
diff changeset
327 final int last = getLastRevision();
77
c677e1593919 Moved RevlogStream implementation into .internal
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 74
diff changeset
328 if (end == TIP) {
c677e1593919 Moved RevlogStream implementation into .internal
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 74
diff changeset
329 end = last;
c677e1593919 Moved RevlogStream implementation into .internal
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 74
diff changeset
330 }
300
650b45d290b1 Share range check code
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
331 if (start == TIP) {
650b45d290b1 Share range check code
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
332 start = last;
650b45d290b1 Share range check code
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
333 }
650b45d290b1 Share range check code
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
334 HgInternals.checkRevlogRange(start, end, last);
650b45d290b1 Share range check code
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
335
48
e34f90b9ded1 Limit option for history/log
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 37
diff changeset
336 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
337 final boolean[] needsSorting = { false };
77
c677e1593919 Moved RevlogStream implementation into .internal
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 74
diff changeset
338 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
339 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
340 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
341 if (count > 0) {
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 240
diff changeset
342 if (commitRevisions[count -1] > linkRevision) {
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 240
diff changeset
343 needsSorting[0] = true;
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 240
diff changeset
344 }
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 240
diff changeset
345 }
3
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
346 commitRevisions[count++] = linkRevision;
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
347 }
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 2
diff changeset
348 };
48
e34f90b9ded1 Limit option for history/log
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 37
diff changeset
349 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
350 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
351 if (needsSorting[0]) {
ad6a046943be Improved reading of sparse revisions from a revlog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 240
diff changeset
352 // 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
353 // (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
354 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
355 }
245
2fb439375ddc Avoid sorting revision range twice
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 242
diff changeset
356 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
357 }
88
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 79
diff changeset
358
354
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
359 /**
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
360 * 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
361 *
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
362 * @return changeset revision index
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
363 * @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
364 */
437
32184ddcf46d Better argument names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 426
diff changeset
365 public int getChangesetRevisionIndex(int fileRevisionIndex) throws HgRuntimeException {
32184ddcf46d Better argument names
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 426
diff changeset
366 return content.linkRevision(fileRevisionIndex);
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 }
88
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 79
diff changeset
368
354
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
369 /**
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
370 * 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
371 *
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
372 * @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
373 * @return changeset revision
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
374 * @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
375 */
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
376 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
377 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
378 return getRepo().getChangelog().getRevision(changelogRevision);
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 79
diff changeset
379 }
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
380
354
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
381 /**
396
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 388
diff changeset
382 * 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
383 * @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
384 * @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
385 */
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
386 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
387 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
388 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
389 }
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
390 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
391 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
392 }
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
393 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
394 }
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
395
354
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
396 /**
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
397 * 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
398 *
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 347
diff changeset
399 * @return name of the file origin
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
400 * @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
401 */
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
402 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
403 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
404 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
405 }
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
406 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
407 }
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
408
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
409 /**
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 *
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
411 * @return revision this file was copied from
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
412 * @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
413 */
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
414 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
415 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
416 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
417 }
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
418 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
419 }
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
420
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
421 /**
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
422 * 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
423 * @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
424 * @see HgManifest#getFileFlags(int, Path)
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
425 * @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
426 */
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
427 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
428 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
429 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
430 }
416
d30083c80d52 Better names - non-confusing and aligned with the rest of API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 415
diff changeset
431
88
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 79
diff changeset
432 @Override
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 79
diff changeset
433 public String toString() {
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 79
diff changeset
434 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
435 sb.append('(');
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 79
diff changeset
436 sb.append(getPath());
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 79
diff changeset
437 sb.append(')');
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 79
diff changeset
438 return sb.toString();
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 79
diff changeset
439 }
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
440
396
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 388
diff changeset
441 private void checkAndRecordMetadata(int localRev) throws HgInvalidControlFileException {
495
abfbe81154b5 Do not use exception when only metadata processing is needed. For hg4j repo, status 0:-1 changed from 500 to 60 ms
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
diff changeset
442 if (metadata == null) {
abfbe81154b5 Do not use exception when only metadata processing is needed. For hg4j repo, status 0:-1 changed from 500 to 60 ms
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
diff changeset
443 metadata = new Metadata();
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
444 }
495
abfbe81154b5 Do not use exception when only metadata processing is needed. For hg4j repo, status 0:-1 changed from 500 to 60 ms
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
diff changeset
445 // use MetadataInspector without delegate to process metadata only
abfbe81154b5 Do not use exception when only metadata processing is needed. For hg4j repo, status 0:-1 changed from 500 to 60 ms
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
diff changeset
446 RevlogStream.Inspector insp = new MetadataInspector(metadata, getRepo().getSessionContext().getLog(), null);
abfbe81154b5 Do not use exception when only metadata processing is needed. For hg4j repo, status 0:-1 changed from 500 to 60 ms
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
diff changeset
447 super.content.iterate(localRev, localRev, true, insp);
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
448 }
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
449
88
61eedab3eb3e Status between two revisions to recognize copy/rename
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 79
diff changeset
450 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
451 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
452 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
453
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
454 // 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
455 /*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
456 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
457 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
458 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
459 } 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
460 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
461 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
462 }
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 }
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
464 /*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
465 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
466 }
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
467 // 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
468 // 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
469 // 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
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 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
472 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
473 }
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
474 }
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
475
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
476 private static class Metadata {
276
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
477 private static class Record {
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
478 public final int offset;
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
479 public final MetadataEntry[] entries;
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
480
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
481 public Record(int off, MetadataEntry[] entr) {
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
482 offset = off;
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
483 entries = entr;
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
484 }
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
485 }
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
486 // XXX sparse array needed
276
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
487 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
488
276
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
489 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
490
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 133
diff changeset
491 // 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
492 boolean known(int revision) {
276
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
493 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
494 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
495 }
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
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 133
diff changeset
497 // 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
498 public boolean checked(int revision) {
276
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
499 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
500 }
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
501
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 // 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
503 boolean none(int revision) {
276
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
504 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
505 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
506 }
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 133
diff changeset
507
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 133
diff changeset
508 // 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
509 void recordNone(int revision) {
276
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
510 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
511 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
512 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
513 }
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 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
515 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
516 }
276
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
517 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
518 }
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
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
520 // 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
521 int dataOffset(int revision) {
276
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
522 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
523 }
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
524 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
525 assert !entries.containsKey(revision);
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
526 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
527 }
276
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
528
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
529 String find(int revision, String key) {
276
6355ecda1f08 Tailored Map implementation with int keys
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 275
diff changeset
530 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
531 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
532 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
533 }
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
534 }
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 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
536 }
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 }
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
538
277
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
539 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
540 private final Metadata metadata;
277
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
541 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
542 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
543
495
abfbe81154b5 Do not use exception when only metadata processing is needed. For hg4j repo, status 0:-1 changed from 500 to 60 ms
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
diff changeset
544 /**
abfbe81154b5 Do not use exception when only metadata processing is needed. For hg4j repo, status 0:-1 changed from 500 to 60 ms
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
diff changeset
545 * @param _metadata never <code>null</code>
abfbe81154b5 Do not use exception when only metadata processing is needed. For hg4j repo, status 0:-1 changed from 500 to 60 ms
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
diff changeset
546 * @param logFacility log facility from the session context
abfbe81154b5 Do not use exception when only metadata processing is needed. For hg4j repo, status 0:-1 changed from 500 to 60 ms
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
diff changeset
547 * @param chain <code>null</code> if no further data processing other than metadata is desired
abfbe81154b5 Do not use exception when only metadata processing is needed. For hg4j repo, status 0:-1 changed from 500 to 60 ms
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
diff changeset
548 */
396
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 388
diff changeset
549 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
550 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
551 log = logFacility;
277
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
552 delegate = chain;
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
553 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
554 }
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
555
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
556 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
557 try {
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
558 final int daLength = data.length();
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
559 if (daLength < 4 || data.readByte() != 1 || data.readByte() != 10) {
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
560 metadata.recordNone(revisionNumber);
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
561 data.reset();
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
562 } else {
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
563 ArrayList<MetadataEntry> _metadata = new ArrayList<MetadataEntry>();
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
564 int offset = parseMetadata(data, daLength, _metadata);
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
565 metadata.add(revisionNumber, offset, _metadata);
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
566 // 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
567 // 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
568 // and we need to ensure predictable result.
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
569 data.reset();
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
570 data = new FilterDataAccess(data, offset, daLength - offset);
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
571 }
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
572 if (delegate != null) {
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
573 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
574 }
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
575 } catch (IOException ex) {
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
576 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
577 } 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
578 // 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
579 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
580 }
277
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
581 }
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
582
396
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 388
diff changeset
583 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
584 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
585 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
586 // 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
587 // 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
588 // (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
589 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
590 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
591 boolean byteOne = false;
323
4c7e3ba67213 Exception when analyzing metadata of an empty renamed file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
592 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
593 for (int i = 2; i < daLength; i++) {
277
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
594 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
595 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
596 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
597 lastEntryStart = i+1;
323
4c7e3ba67213 Exception when analyzing metadata of an empty renamed file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
598 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
599 // 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
600 // 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
601 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
602 }
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
603 if (key == null || lastColon == -1 || i <= lastColon) {
456
909306e412e2 Refactor LogFacility and SessionContext, better API for both
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 437
diff changeset
604 log.dump(getClass(), Error, "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
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 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
607 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
608 _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
609 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
610 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
611 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
612 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
613 }
277
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
614 // 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
615 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
616 // 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
617 bos.write(1);
277
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
618 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
619 // 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
620 }
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 51 148
diff changeset
621 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
622 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
623 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
624 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
625 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
626 } 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
627 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
628 } 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
629 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
630 }
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 }
323
4c7e3ba67213 Exception when analyzing metadata of an empty renamed file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
632 // 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
633 if (!metadataIsComplete) {
4c7e3ba67213 Exception when analyzing metadata of an empty renamed file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
634 // 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
635 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
636 }
277
74e7493a042a Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 276
diff changeset
637 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
638 }
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
639
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
640 @Override
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
641 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
642 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
643 if (delegate instanceof ErrorHandlingInspector) {
425
48f993aa2f41 FIXMEs: exceptions, javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
644 // 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
645 // 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
646 ((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
647 }
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 }
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
649 }
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
650 }