hg4j: src/org/tmatesoft/hg/repo/HgManifest.java annotate

annotate src/org/tmatesoft/hg/repo/HgManifest.java @ 606:5daa42067e7c

Avoid mmap files when only few bytes are to be read

author	Artem Tikhomirov <tikhomirov.artem@gmail.com>
date	Tue, 07 May 2013 14:16:35 +0200
parents	8143c1f77d45
children	66f1cc23b906

rev	line source
13 df8c67f3006a Basic manifest parsing to analyze what's in there Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 2 diff changeset	1 /*
537 5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 490 diff changeset	2 * Copyright (c) 2010-2013 TMate Software Ltd
74 6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 28 diff changeset	3 *
6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 28 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: 28 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: 28 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: 28 diff changeset	7 *
6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 28 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: 28 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: 28 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: 28 diff changeset	11 * GNU General Public License for more details.
6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 28 diff changeset	12 *
6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 28 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: 28 diff changeset	14 * the terms of a license other than GNU General Public License
102 a3a2e5deb320 Updated contact address to support@hg4j.com Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	15 * contact TMate Software at support@hg4j.com
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: 28 diff changeset	17 package org.tmatesoft.hg.repo;
6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 28 diff changeset	18
390 6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	19 import static org.tmatesoft.hg.core.Nodeid.NULL;
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: 421 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: 431 diff changeset	21 import static org.tmatesoft.hg.util.LogFacility.Severity.Info;
218 047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 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: 51 102 diff changeset	23 import java.io.IOException;
218 047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	24 import java.util.Arrays;
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: 51 102 diff changeset	25
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: 415 diff changeset	26 import org.tmatesoft.hg.core.HgChangesetFileSneaker;
74 6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 28 diff changeset	27 import org.tmatesoft.hg.core.Nodeid;
574 88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 571 diff changeset	28 import org.tmatesoft.hg.internal.ByteVector;
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: 421 diff changeset	29 import org.tmatesoft.hg.internal.Callback;
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: 51 102 diff changeset	30 import org.tmatesoft.hg.internal.DataAccess;
266 0a2f445de774 Improve manifest parsing: reduce number of arrays instantiated for Nodeid Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 264 diff changeset	31 import org.tmatesoft.hg.internal.DigestHelper;
320 678e326fd27c Issue 15: Exception accessing oddly named file from history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 313 diff changeset	32 import org.tmatesoft.hg.internal.EncodingHelper;
574 88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 571 diff changeset	33 import org.tmatesoft.hg.internal.IdentityPool;
415 ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	34 import org.tmatesoft.hg.internal.IntMap;
597 c895b5556937 Wrap manifest revision map completion into single file access Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 583 diff changeset	35 import org.tmatesoft.hg.internal.IntVector;
312 f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 304 diff changeset	36 import org.tmatesoft.hg.internal.IterateControlMediator;
218 047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	37 import org.tmatesoft.hg.internal.Lifecycle;
600 46f29b73e51e Utilize RevisionLookup to speed-up getRevisionIndex of both manifest and changelog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 598 diff changeset	38 import org.tmatesoft.hg.internal.RevisionLookup;
77 c677e1593919 Moved RevlogStream implementation into .internal Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 74 diff changeset	39 import org.tmatesoft.hg.internal.RevlogStream;
597 c895b5556937 Wrap manifest revision map completion into single file access Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 583 diff changeset	40 import org.tmatesoft.hg.repo.HgChangelog.RawChangeset;
312 f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 304 diff changeset	41 import org.tmatesoft.hg.util.CancelSupport;
574 88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 571 diff changeset	42 import org.tmatesoft.hg.util.LogFacility.Severity;
232 b7347daa50e3 Allow to cat a file with changeset revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 222 diff changeset	43 import org.tmatesoft.hg.util.Path;
312 f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 304 diff changeset	44 import org.tmatesoft.hg.util.ProgressSupport;
74 6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 28 diff changeset	45
2 08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	46
08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	47 /**
425 48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	48 * Representation of Mercurial manifest file (list of file names and their revisions in a particular changeset)
48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	49 *
48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	50 * @see http://mercurial.selenic.com/wiki/Manifest
74 6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 28 diff changeset	51 * @author Artem Tikhomirov
6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 28 diff changeset	52 * @author TMate Software Ltd.
2 08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	53 */
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	54 public final class HgManifest extends Revlog {
218 047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	55 private RevisionMapper revisionMap;
574 88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 571 diff changeset	56 private final EncodingHelper encodingHelper;
88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 571 diff changeset	57 private final Path.Source pathFactory;
285 6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	58
415 ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	59 /**
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	60 * File flags recorded in manifest
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	61 */
285 6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	62 public enum Flags {
415 ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	63 /**
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	64 * Executable bit set
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	65 */
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	66 Exec,
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	67 /**
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	68 * Symbolic link
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	69 */
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	70 Link,
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	71 /**
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	72 * Regular file
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	73 */
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	74 RegularFile;
285 6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	75
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	76 static Flags parse(String flags) {
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	77 if ("x".equalsIgnoreCase(flags)) {
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	78 return Exec;
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	79 }
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	80 if ("l".equalsIgnoreCase(flags)) {
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	81 return Link;
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	82 }
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	83 if (flags == null) {
415 ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	84 return RegularFile;
285 6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	85 }
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	86 throw new IllegalStateException(flags);
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	87 }
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	88
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	89 static Flags parse(byte[] data, int start, int length) {
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	90 if (length == 0) {
415 ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	91 return RegularFile;
285 6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	92 }
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	93 if (length == 1) {
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	94 if (data[start] == 'x') {
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	95 return Exec;
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	96 }
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	97 if (data[start] == 'l') {
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	98 return Link;
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	99 }
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	100 // FALL THROUGH
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	101 }
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	102 throw new IllegalStateException(new String(data, start, length));
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	103 }
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	104
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	105 String nativeString() {
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	106 if (this == Exec) {
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	107 return "x";
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	108 }
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	109 if (this == Link) {
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	110 return "l";
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	111 }
415 ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	112 if (this == RegularFile) {
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	113 return "";
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	114 }
285 6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	115 throw new IllegalStateException(toString());
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	116 }
574 88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 571 diff changeset	117
88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 571 diff changeset	118 public int fsMode() {
88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 571 diff changeset	119 if (this == Exec) {
88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 571 diff changeset	120 return 0755;
88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 571 diff changeset	121 }
88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 571 diff changeset	122 return 0644;
88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 571 diff changeset	123 }
285 6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	124 }
2 08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	125
412 63c5a9d7ca3f Follow-up for Issue 29: unify path translation for manifest and dirstate Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	126 /package-local/ HgManifest(HgRepository hgRepo, RevlogStream content, EncodingHelper eh) {
600 46f29b73e51e Utilize RevisionLookup to speed-up getRevisionIndex of both manifest and changelog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 598 diff changeset	127 super(hgRepo, content, true);
412 63c5a9d7ca3f Follow-up for Issue 29: unify path translation for manifest and dirstate Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	128 encodingHelper = eh;
574 88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 571 diff changeset	129 pathFactory = hgRepo.getSessionContext().getPathFactory();
13 df8c67f3006a Basic manifest parsing to analyze what's in there Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 2 diff changeset	130 }
df8c67f3006a Basic manifest parsing to analyze what's in there Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 2 diff changeset	131
218 047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	132 /**
390 6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	133 * Walks manifest revisions that correspond to specified range of changesets. The order in which manifest versions get reported
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	134 * to the inspector corresponds to physical order of manifest revisions, not that of changesets (with few exceptions as noted below).
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	135 * That is, for cset-manifest revision pairs:
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	136 * <pre>
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	137 * 3 8
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	138 * 4 7
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	139 * 5 9
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	140 * </pre>
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	141 * call <code>walk(3,5, insp)</code> would yield (4,7), (3,8) and (5,9) to the inspector;
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	142 * different order of arguments, <code>walk(5, 3, insp)</code>, makes no difference.
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	143 *
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	144 * <p>Physical layout of mercurial files (revlog) doesn't impose any restriction on whether manifest and changeset revisions shall go
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	145 * incrementally, nor it mandates presence of manifest version for a changeset. Thus, there might be changesets that record {@link Nodeid#NULL}
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	146 * as corresponding manifest revision. This situation is deemed exceptional now and what would <code>inspector</code> get depends on whether
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	147 * <code>start</code> or <code>end</code> arguments point to such changeset, or such changeset happen to be somewhere inside the range
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: 421 diff changeset	148 * <code>[start..end]</code>. Implementation does it best to report empty manifests
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: 421 diff changeset	149 * (<code>Inspector.begin(HgRepository.NO_REVISION, NULL, csetRevIndex);</code>
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: 421 diff changeset	150 * followed immediately by <code>Inspector.end(HgRepository.NO_REVISION)</code>
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: 421 diff changeset	151 * when <code>start</code> and/or <code>end</code> point to changeset with no associated
390 6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	152 * manifest revision. However, if changeset-manifest revision pairs look like:
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	153 * <pre>
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	154 * 3 8
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	155 * 4 -1 (cset records null revision for manifest)
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	156 * 5 9
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	157 * </pre>
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	158 * call <code>walk(3,5, insp)</code> would yield only (3,8) and (5,9) to the inspector, without additional empty
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	159 * <code>Inspector.begin(); Inspector.end()</code> call pair.
218 047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	160 *
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: 421 diff changeset	161 * @see HgRepository#NO_REVISION
218 047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	162 * @param start changelog (not manifest!) revision to begin with
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	163 * @param end changelog (not manifest!) revision to stop, inclusive.
390 6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	164 * @param inspector manifest revision visitor, can't be <code>null</code>
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: 421 diff changeset	165 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
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: 421 diff changeset	166 * @throws IllegalArgumentException if inspector callback is <code>null</code>
218 047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	167 */
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: 421 diff changeset	168 public void walk(int start, int end, final Inspector inspector) throws HgRuntimeException, IllegalArgumentException {
196 e2115da4cf6a Pool objects to avoid memory polution with duplicates Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	169 if (inspector == null) {
e2115da4cf6a Pool objects to avoid memory polution with duplicates Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	170 throw new IllegalArgumentException();
e2115da4cf6a Pool objects to avoid memory polution with duplicates Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	171 }
390 6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	172 final int csetFirst = start <= end ? start : end, csetLast = start > end ? start : end;
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	173 int manifestFirst, manifestLast, i = 0;
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	174 do {
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	175 manifestFirst = fromChangelog(csetFirst+i);
403 2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	176 if (manifestFirst == BAD_REVISION) {
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: 421 diff changeset	177 inspector.begin(NO_REVISION, NULL, csetFirst+i);
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: 421 diff changeset	178 inspector.end(NO_REVISION);
390 6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	179 }
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	180 i++;
403 2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	181 } while (manifestFirst == BAD_REVISION && csetFirst+i <= csetLast);
2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	182 if (manifestFirst == BAD_REVISION) {
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	183 getRepo().getSessionContext().getLog().dump(getClass(), Info, "None of changesets [%d..%d] have associated manifest revision", csetFirst, csetLast);
390 6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	184 // we ran through all revisions in [start..end] and none of them had manifest.
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	185 // we reported that to inspector and proceeding is done now.
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	186 return;
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	187 }
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	188 i = 0;
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	189 do {
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	190 manifestLast = fromChangelog(csetLast-i);
403 2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	191 if (manifestLast == BAD_REVISION) {
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: 421 diff changeset	192 inspector.begin(NO_REVISION, NULL, csetLast-i);
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: 421 diff changeset	193 inspector.end(NO_REVISION);
390 6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	194 }
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	195 i++;
403 2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	196 } while (manifestLast == BAD_REVISION && csetLast-i >= csetFirst);
2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	197 if (manifestLast == BAD_REVISION) {
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: 421 diff changeset	198 // hmm, manifestFirst != BAD_REVISION here, hence there's i from [csetFirst..csetLast] for which manifest entry exists,
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: 421 diff changeset	199 // and thus it's impossible to run into manifestLast == BAD_REVISION. Nevertheless, never hurts to check.
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: 421 diff changeset	200 throw new HgInvalidStateException(String.format("Manifest %d-%d(!) for cset range [%d..%d] ", manifestFirst, manifestLast, csetFirst, csetLast));
390 6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	201 }
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	202 if (manifestLast < manifestFirst) {
300 650b45d290b1 Share range check code Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 285 diff changeset	203 // there are tool-constructed repositories that got order of changeset revisions completely different from that of manifest
390 6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	204 int x = manifestLast;
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	205 manifestLast = manifestFirst;
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	206 manifestFirst = x;
300 650b45d290b1 Share range check code Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 285 diff changeset	207 }
571 e4ee4bf4c7d0 Let session context control creation of Path instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 550 diff changeset	208 content.iterate(manifestFirst, manifestLast, true, new ManifestParser(inspector));
19 40532cdc92fc Inspector (visitor) for manifest Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 16 diff changeset	209 }
218 047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	210
254 a620f0663a37 Collect tags for a file - improve performance of 'sparse' manifest reads Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 232 diff changeset	211 /**
390 6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	212 * "Sparse" iteration of the manifest, more effective than accessing revisions one by one.
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	213 * <p> Inspector is invoked for each changeset revision supplied, even when there's no manifest
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	214 * revision associated with a changeset (@see {@link #walk(int, int, Inspector)} for more details when it happens). Order inspector
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	215 * gets invoked doesn't resemble order of changeset revisions supplied, manifest revisions are reported in the order they appear
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	216 * in manifest revlog (with exception of changesets with missing manifest that may be reported in any order).
254 a620f0663a37 Collect tags for a file - improve performance of 'sparse' manifest reads Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 232 diff changeset	217 *
390 6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	218 * @param inspector manifest revision visitor, can't be <code>null</code>
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	219 * @param revisionIndexes local indexes of changesets to visit, non-<code>null</code>
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: 421 diff changeset	220 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
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: 421 diff changeset	221 * @throws InvalidArgumentException if supplied arguments are <code>null</code>s
254 a620f0663a37 Collect tags for a file - improve performance of 'sparse' manifest reads Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 232 diff changeset	222 */
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: 421 diff changeset	223 public void walk(final Inspector inspector, int... revisionIndexes) throws HgRuntimeException, IllegalArgumentException {
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	224 if (inspector == null \|\| revisionIndexes == null) {
254 a620f0663a37 Collect tags for a file - improve performance of 'sparse' manifest reads Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 232 diff changeset	225 throw new IllegalArgumentException();
a620f0663a37 Collect tags for a file - improve performance of 'sparse' manifest reads Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 232 diff changeset	226 }
390 6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	227 int[] manifestRevs = toManifestRevisionIndexes(revisionIndexes, inspector);
571 e4ee4bf4c7d0 Let session context control creation of Path instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 550 diff changeset	228 content.iterate(manifestRevs, true, new ManifestParser(inspector));
254 a620f0663a37 Collect tags for a file - improve performance of 'sparse' manifest reads Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 232 diff changeset	229 }
a620f0663a37 Collect tags for a file - improve performance of 'sparse' manifest reads Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 232 diff changeset	230
390 6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	231 //
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	232 /**
403 2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	233 * Tells manifest revision number that corresponds to the given changeset. May return {@link HgRepository#BAD_REVISION}
2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	234 * if changeset has no associated manifest (cset records NULL nodeid for manifest).
2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	235 * @return manifest revision index, non-negative, or {@link HgRepository#BAD_REVISION}.
2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	236 * @throws HgInvalidRevisionException if method argument specifies non-existent revision index
2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	237 * @throws HgInvalidControlFileException if access to revlog index/data entry failed
390 6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	238 */
403 2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	239 /package-local/ int fromChangelog(int changesetRevisionIndex) throws HgInvalidRevisionException, HgInvalidControlFileException {
368 8107b95f4280 Update Javadoc with 'revision index' Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 367 diff changeset	240 if (HgInternals.wrongRevisionIndex(changesetRevisionIndex)) {
425 48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	241 throw new HgInvalidRevisionException(changesetRevisionIndex);
218 047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	242 }
368 8107b95f4280 Update Javadoc with 'revision index' Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 367 diff changeset	243 if (changesetRevisionIndex == HgRepository.WORKING_COPY \|\| changesetRevisionIndex == HgRepository.BAD_REVISION) {
425 48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	244 throw new HgInvalidRevisionException("Can't use constants like WORKING_COPY or BAD_REVISION", null, changesetRevisionIndex);
257 f39fb6b3cc76 Handle revision constants correctly Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 254 diff changeset	245 }
f39fb6b3cc76 Handle revision constants correctly Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 254 diff changeset	246 // revisionNumber == TIP is processed by RevisionMapper
218 047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	247 if (revisionMap == null) {
600 46f29b73e51e Utilize RevisionLookup to speed-up getRevisionIndex of both manifest and changelog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 598 diff changeset	248 revisionMap = new RevisionMapper(super.revisionLookup == null);
218 047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	249 content.iterate(0, TIP, false, revisionMap);
600 46f29b73e51e Utilize RevisionLookup to speed-up getRevisionIndex of both manifest and changelog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 598 diff changeset	250 revisionMap.fixReusedManifests();
46f29b73e51e Utilize RevisionLookup to speed-up getRevisionIndex of both manifest and changelog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 598 diff changeset	251 if (super.useRevisionLookup && super.revisionLookup == null) {
46f29b73e51e Utilize RevisionLookup to speed-up getRevisionIndex of both manifest and changelog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 598 diff changeset	252 // reuse RevisionLookup if there's none yet
46f29b73e51e Utilize RevisionLookup to speed-up getRevisionIndex of both manifest and changelog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 598 diff changeset	253 super.revisionLookup = revisionMap.manifestNodeids;
46f29b73e51e Utilize RevisionLookup to speed-up getRevisionIndex of both manifest and changelog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 598 diff changeset	254 }
46f29b73e51e Utilize RevisionLookup to speed-up getRevisionIndex of both manifest and changelog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 598 diff changeset	255 revisionMap.manifestNodeids = null;
218 047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	256 }
368 8107b95f4280 Update Javadoc with 'revision index' Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 367 diff changeset	257 return revisionMap.at(changesetRevisionIndex);
218 047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	258 }
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	259
232 b7347daa50e3 Allow to cat a file with changeset revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 222 diff changeset	260 /**
b7347daa50e3 Allow to cat a file with changeset revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 222 diff changeset	261 * Extracts file revision as it was known at the time of given changeset.
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	262 * <p>For more thorough details about file at specific changeset, use {@link HgChangesetFileSneaker}.
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	263 * <p>To visit few changesets for the same file, use {@link #walkFileRevisions(Path, Inspector, int...)}
232 b7347daa50e3 Allow to cat a file with changeset revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 222 diff changeset	264 *
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	265 * @see #walkFileRevisions(Path, Inspector, int...)
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: 415 diff changeset	266 * @see HgChangesetFileSneaker
367 2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 366 diff changeset	267 * @param changelogRevisionIndex local changeset index
232 b7347daa50e3 Allow to cat a file with changeset revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 222 diff changeset	268 * @param file path to file in question
b7347daa50e3 Allow to cat a file with changeset revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 222 diff changeset	269 * @return file revision or <code>null</code> if manifest at specified revision doesn't list such file
425 48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	270 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
232 b7347daa50e3 Allow to cat a file with changeset revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 222 diff changeset	271 */
403 2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	272 public Nodeid getFileRevision(int changelogRevisionIndex, final Path file) throws HgInvalidRevisionException, HgInvalidControlFileException {
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: 415 diff changeset	273 // there's no need for HgDataFile to own this method, or get a delegate
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: 415 diff changeset	274 // as most of HgDataFile API is using file revision indexes, and there's easy step from file revision index to
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: 415 diff changeset	275 // both file revision and changeset revision index. But there's no easy way to go from changesetRevisionIndex to
547 66fc86e8c0dd #getFileRevision() shall accept TIP as an argument Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 537 diff changeset	276 // file revision (the task this method solves), except for HgFileInformer
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: 415 diff changeset	277 // I feel methods dealing with changeset indexes shall be more exposed in HgChangelog and HgManifest API.
547 66fc86e8c0dd #getFileRevision() shall accept TIP as an argument Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 537 diff changeset	278 // TODO need tests (e.g. pass TIP here to see resMap.get(-1) doesn't fail)
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	279 int manifestRevIndex = fromChangelog(changelogRevisionIndex);
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	280 if (manifestRevIndex == BAD_REVISION) {
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	281 return null;
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	282 }
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	283 IntMap<Nodeid> resMap = new IntMap<Nodeid>(3);
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	284 FileLookupInspector parser = new FileLookupInspector(encodingHelper, file, resMap, null);
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	285 parser.walk(manifestRevIndex, content);
550 c1478cc31f45 Regression: expect file to be missing in a manifest Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 547 diff changeset	286 assert resMap.size() <= 1; // size() == 0 if file wasn't found
547 66fc86e8c0dd #getFileRevision() shall accept TIP as an argument Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 537 diff changeset	287 // can't use changelogRevisionIndex as key - it might have been TIP
550 c1478cc31f45 Regression: expect file to be missing in a manifest Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 547 diff changeset	288 return resMap.size() == 0 ? null : resMap.get(resMap.firstKey());
326 d42a45a2c9d6 Alternative tag collection approach for a file history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 324 diff changeset	289 }
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	290
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	291 /**
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	292 * Visit file revisions as they were recorded at the time of given changesets. Same file revision may be reported as many times as
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	293 * there are changesets that refer to that revision. Both {@link Inspector#begin(int, Nodeid, int)} and {@link Inspector#end(int)}
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	294 * with appropriate values are invoked around {@link Inspector#next(Nodeid, Path, Flags)} call for the supplied file
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	295 *
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	296 * <p>NOTE, this method doesn't respect return values from callback (i.e. to stop iteration), as it's lookup of a single file
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	297 * and canceling it seems superfluous. However, this may change in future and it's recommended to return <code>true</code> from
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	298 * all {@link Inspector} methods.
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	299 *
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	300 * @see #getFileRevision(int, Path)
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	301 * @param file path of interest
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	302 * @param inspector callback to receive details about selected file
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	303 * @param changelogRevisionIndexes changeset indexes to visit
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	304 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	305 */
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	306 public void walkFileRevisions(Path file, Inspector inspector, int... changelogRevisionIndexes) throws HgRuntimeException {
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	307 if (file == null \|\| inspector == null \|\| changelogRevisionIndexes == null) {
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	308 throw new IllegalArgumentException();
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	309 }
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	310 // TODO [post-1.0] need tests. There's Main#checkWalkFileRevisions that may be a starting point
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	311 int[] manifestRevIndexes = toManifestRevisionIndexes(changelogRevisionIndexes, null);
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	312 FileLookupInspector parser = new FileLookupInspector(encodingHelper, file, inspector);
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	313 parser.walk(manifestRevIndexes, content);
232 b7347daa50e3 Allow to cat a file with changeset revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 222 diff changeset	314 }
326 d42a45a2c9d6 Alternative tag collection approach for a file history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 324 diff changeset	315
415 ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	316 /**
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: 415 diff changeset	317 * Extract file {@link Flags flags} as they were recorded in appropriate manifest version.
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: 415 diff changeset	318 *
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: 415 diff changeset	319 * @see HgDataFile#getFlags(int)
415 ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	320 * @param changesetRevIndex changeset revision index
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	321 * @param file path to look up
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: 415 diff changeset	322 * @return one of predefined enum values, or <code>null</code> if file was not known in the specified revision
425 48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	323 * @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: 414 diff changeset	324 */
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: 415 diff changeset	325 public Flags getFileFlags(int changesetRevIndex, Path file) throws HgInvalidRevisionException, HgInvalidControlFileException {
415 ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	326 int manifestRevIdx = fromChangelog(changesetRevIndex);
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	327 IntMap<Flags> resMap = new IntMap<Flags>(2);
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	328 FileLookupInspector parser = new FileLookupInspector(encodingHelper, file, null, resMap);
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	329 parser.walk(manifestRevIdx, content);
550 c1478cc31f45 Regression: expect file to be missing in a manifest Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 547 diff changeset	330 assert resMap.size() <= 1; // size() == 0 if not found
547 66fc86e8c0dd #getFileRevision() shall accept TIP as an argument Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 537 diff changeset	331 // can't use changesetRevIndex as key - it might have been TIP
550 c1478cc31f45 Regression: expect file to be missing in a manifest Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 547 diff changeset	332 return resMap.size() == 0 ? null : resMap.get(resMap.firstKey());
415 ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	333 }
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	334
326 d42a45a2c9d6 Alternative tag collection approach for a file history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 324 diff changeset	335
390 6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	336 /**
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	337 * @param changelogRevisionIndexes non-null
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	338 * @param inspector may be null if reporting of missing manifests is not needed
403 2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	339 * @throws HgInvalidRevisionException if arguments specify non-existent revision index
2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	340 * @throws IllegalArgumentException if any index argument is not a revision index
2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	341 * @throws HgInvalidControlFileException if access to revlog index/data entry failed
390 6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	342 */
403 2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	343 private int[] toManifestRevisionIndexes(int[] changelogRevisionIndexes, Inspector inspector) throws HgInvalidRevisionException, HgInvalidControlFileException {
368 8107b95f4280 Update Javadoc with 'revision index' Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 367 diff changeset	344 int[] manifestRevs = new int[changelogRevisionIndexes.length];
326 d42a45a2c9d6 Alternative tag collection approach for a file history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 324 diff changeset	345 boolean needsSort = false;
390 6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	346 int j = 0;
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	347 for (int i = 0; i < changelogRevisionIndexes.length; i++) {
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	348 final int manifestRevisionIndex = fromChangelog(changelogRevisionIndexes[i]);
403 2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	349 if (manifestRevisionIndex == BAD_REVISION) {
390 6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	350 if (inspector != null) {
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: 421 diff changeset	351 inspector.begin(NO_REVISION, NULL, changelogRevisionIndexes[i]);
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: 421 diff changeset	352 inspector.end(NO_REVISION);
390 6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	353 }
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	354 // othrwise, ignore changeset without manifest
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	355 } else {
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	356 manifestRevs[j] = manifestRevisionIndex;
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	357 if (j > 0 && manifestRevs[j-1] > manifestRevisionIndex) {
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	358 needsSort = true;
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	359 }
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	360 j++;
326 d42a45a2c9d6 Alternative tag collection approach for a file history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 324 diff changeset	361 }
d42a45a2c9d6 Alternative tag collection approach for a file history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 324 diff changeset	362 }
d42a45a2c9d6 Alternative tag collection approach for a file history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 324 diff changeset	363 if (needsSort) {
390 6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	364 Arrays.sort(manifestRevs, 0, j);
326 d42a45a2c9d6 Alternative tag collection approach for a file history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 324 diff changeset	365 }
390 6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	366 if (j == manifestRevs.length) {
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	367 return manifestRevs;
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	368 } else {
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	369 int[] rv = new int[j];
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	370 //Arrays.copyOfRange
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	371 System.arraycopy(manifestRevs, 0, rv, 0, j);
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	372 return rv;
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	373 }
326 d42a45a2c9d6 Alternative tag collection approach for a file history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 324 diff changeset	374 }
d42a45a2c9d6 Alternative tag collection approach for a file history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 324 diff changeset	375
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: 421 diff changeset	376 @Callback
19 40532cdc92fc Inspector (visitor) for manifest Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 16 diff changeset	377 public interface Inspector {
285 6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	378 /**
537 5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 490 diff changeset	379 * Denotes entering specific manifest revision, separate entries are
5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 490 diff changeset	380 * reported with subsequence {@link #next(Nodeid, Path, Flags)} calls.
5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 490 diff changeset	381 *
583 47dfa0ec7e35 Effective revlog patching Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 574 diff changeset	382 * @param manifestRevisionIndex local revision index of the inspected revision
537 5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 490 diff changeset	383 * @param manifestRevision revision of the manifest we're about to iterate through
5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 490 diff changeset	384 * @param changelogRevisionIndex local revision index of changelog this manifest points to
5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 490 diff changeset	385 * @return <code>true</code> to continue iteration, <code>false</code> to stop
5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 490 diff changeset	386 */
583 47dfa0ec7e35 Effective revlog patching Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 574 diff changeset	387 boolean begin(int manifestRevisionIndex, Nodeid manifestRevision, int changelogRevisionIndex);
537 5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 490 diff changeset	388
5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 490 diff changeset	389
5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 490 diff changeset	390 /**
5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 490 diff changeset	391 * Reports each manifest entry
5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 490 diff changeset	392 *
415 ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	393 * @param nid file revision
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	394 * @param fname file name
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	395 * @param flags one of {@link HgManifest.Flags} constants, not <code>null</code>
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	396 * @return <code>true</code> to continue iteration, <code>false</code> to stop
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	397 */
285 6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	398 boolean next(Nodeid nid, Path fname, Flags flags);
537 5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 490 diff changeset	399
5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 490 diff changeset	400 /**
5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 490 diff changeset	401 * Denotes leaving specific manifest revision, after all entries were reported using {@link #next(Nodeid, Path, Flags)}
5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 490 diff changeset	402 *
5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 490 diff changeset	403 * @param manifestRevisionIndex indicates manifest revision, corresponds to opening {@link #begin(int, Nodeid, int)}
5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 490 diff changeset	404 * @return <code>true</code> to continue iteration, <code>false</code> to stop
5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 490 diff changeset	405 */
5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 490 diff changeset	406 boolean end(int manifestRevisionIndex);
267 ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	407 }
424 6437d261048a Deprecated code removed Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 423 diff changeset	408
268 c5980f287cc4 Use StringProxy when parsing manifest to minimize number of useless conversions and array instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 267 diff changeset	409 /**
c5980f287cc4 Use StringProxy when parsing manifest to minimize number of useless conversions and array instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 267 diff changeset	410 * When Pool uses Strings directly,
c5980f287cc4 Use StringProxy when parsing manifest to minimize number of useless conversions and array instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 267 diff changeset	411 * ManifestParser creates new String instance with new char[] value, and does byte->char conversion.
c5980f287cc4 Use StringProxy when parsing manifest to minimize number of useless conversions and array instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 267 diff changeset	412 * For cpython repo, walk(0..10k), there are over 16 million filenames, of them only 3020 unique.
c5980f287cc4 Use StringProxy when parsing manifest to minimize number of useless conversions and array instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 267 diff changeset	413 * This means there are 15.9 million useless char[] instances and byte->char conversions
c5980f287cc4 Use StringProxy when parsing manifest to minimize number of useless conversions and array instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 267 diff changeset	414 *
285 6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	415 * When String (Path) is wrapped into {@link PathProxy}, there's extra overhead of byte[] representation
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	416 * of the String, but these are only for unique Strings (Paths) (3020 in the example above). Besides, I save
268 c5980f287cc4 Use StringProxy when parsing manifest to minimize number of useless conversions and array instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 267 diff changeset	417 * useless char[] and byte->char conversions.
c5980f287cc4 Use StringProxy when parsing manifest to minimize number of useless conversions and array instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 267 diff changeset	418 */
571 e4ee4bf4c7d0 Let session context control creation of Path instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 550 diff changeset	419 private final class PathProxy {
267 ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	420 private byte[] data;
268 c5980f287cc4 Use StringProxy when parsing manifest to minimize number of useless conversions and array instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 267 diff changeset	421 private int start;
c5980f287cc4 Use StringProxy when parsing manifest to minimize number of useless conversions and array instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 267 diff changeset	422 private final int hash, length;
285 6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	423 private Path result;
267 ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	424
571 e4ee4bf4c7d0 Let session context control creation of Path instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 550 diff changeset	425 public PathProxy(byte[] data, int start, int length) {
267 ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	426 this.data = data;
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	427 this.start = start;
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	428 this.length = length;
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	429
268 c5980f287cc4 Use StringProxy when parsing manifest to minimize number of useless conversions and array instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 267 diff changeset	430 // copy from String.hashCode(). In fact, not necessarily match result of String(data).hashCode
c5980f287cc4 Use StringProxy when parsing manifest to minimize number of useless conversions and array instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 267 diff changeset	431 // just need some nice algorithm here
267 ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	432 int h = 0;
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	433 byte[] d = data;
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	434 for (int i = 0, off = start, len = length; i < len; i++) {
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	435 h = 31 * h + d[off++];
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	436 }
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	437 hash = h;
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	438 }
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	439
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	440 @Override
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	441 public boolean equals(Object obj) {
285 6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	442 if (false == obj instanceof PathProxy) {
267 ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	443 return false;
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	444 }
285 6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	445 PathProxy o = (PathProxy) obj;
267 ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	446 if (o.result != null && result != null) {
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	447 return result.equals(o.result);
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	448 }
268 c5980f287cc4 Use StringProxy when parsing manifest to minimize number of useless conversions and array instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 267 diff changeset	449 if (o.length != length \|\| o.hash != hash) {
267 ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	450 return false;
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	451 }
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	452 for (int i = 0, x = o.start, y = start; i < length; i++) {
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	453 if (o.data[x++] != data[y++]) {
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	454 return false;
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	455 }
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	456 }
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	457 return true;
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	458 }
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	459 @Override
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	460 public int hashCode() {
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	461 return hash;
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	462 }
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	463
285 6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	464 public Path freeze() {
267 ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	465 if (result == null) {
574 88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 571 diff changeset	466 Path.Source pf = HgManifest.this.pathFactory;
88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 571 diff changeset	467 result = pf.path(HgManifest.this.encodingHelper.fromManifest(data, start, length));
268 c5980f287cc4 Use StringProxy when parsing manifest to minimize number of useless conversions and array instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 267 diff changeset	468 // release reference to bigger data array, make a copy of relevant part only
285 6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	469 // use original bytes, not those from String above to avoid cache misses due to different encodings
268 c5980f287cc4 Use StringProxy when parsing manifest to minimize number of useless conversions and array instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 267 diff changeset	470 byte[] d = new byte[length];
c5980f287cc4 Use StringProxy when parsing manifest to minimize number of useless conversions and array instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 267 diff changeset	471 System.arraycopy(data, start, d, 0, length);
c5980f287cc4 Use StringProxy when parsing manifest to minimize number of useless conversions and array instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 267 diff changeset	472 data = d;
c5980f287cc4 Use StringProxy when parsing manifest to minimize number of useless conversions and array instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 267 diff changeset	473 start = 0;
267 ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	474 }
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	475 return result;
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	476 }
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	477 }
196 e2115da4cf6a Pool objects to avoid memory polution with duplicates Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	478
571 e4ee4bf4c7d0 Let session context control creation of Path instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 550 diff changeset	479 private class ManifestParser implements RevlogStream.Inspector, Lifecycle {
196 e2115da4cf6a Pool objects to avoid memory polution with duplicates Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	480 private final Inspector inspector;
431 12f668401613 FIXMEs: awkward API refactored, what need to be internal got hidden; public aspects got captured in slim interfaces Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 426 diff changeset	481 private IdentityPool<Nodeid> nodeidPool, thisRevPool;
12f668401613 FIXMEs: awkward API refactored, what need to be internal got hidden; public aspects got captured in slim interfaces Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 426 diff changeset	482 private final IdentityPool<PathProxy> fnamePool;
266 0a2f445de774 Improve manifest parsing: reduce number of arrays instantiated for Nodeid Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 264 diff changeset	483 private byte[] nodeidLookupBuffer = new byte[20]; // get reassigned each time new Nodeid is added to pool
312 f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 304 diff changeset	484 private final ProgressSupport progressHelper;
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 304 diff changeset	485 private IterateControlMediator iterateControl;
262 3dcd3dd90c77 Improve manifest parsing: decode bytes to chars once, minimize arraycopy on String instantiation, keep set of file revisions from previous manifest only Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 257 diff changeset	486
571 e4ee4bf4c7d0 Let session context control creation of Path instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 550 diff changeset	487 public ManifestParser(Inspector delegate) {
196 e2115da4cf6a Pool objects to avoid memory polution with duplicates Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	488 assert delegate != null;
e2115da4cf6a Pool objects to avoid memory polution with duplicates Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	489 inspector = delegate;
431 12f668401613 FIXMEs: awkward API refactored, what need to be internal got hidden; public aspects got captured in slim interfaces Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 426 diff changeset	490 nodeidPool = new IdentityPool<Nodeid>();
12f668401613 FIXMEs: awkward API refactored, what need to be internal got hidden; public aspects got captured in slim interfaces Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 426 diff changeset	491 fnamePool = new IdentityPool<PathProxy>();
12f668401613 FIXMEs: awkward API refactored, what need to be internal got hidden; public aspects got captured in slim interfaces Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 426 diff changeset	492 thisRevPool = new IdentityPool<Nodeid>();
312 f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 304 diff changeset	493 progressHelper = ProgressSupport.Factory.get(delegate);
196 e2115da4cf6a Pool objects to avoid memory polution with duplicates Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	494 }
268 c5980f287cc4 Use StringProxy when parsing manifest to minimize number of useless conversions and array instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 267 diff changeset	495
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: 421 diff changeset	496 public void next(int revisionNumber, int actualLen, int baseRevision, int linkRevision, int parent1Revision, int parent2Revision, byte[] nodeid, DataAccess da) {
196 e2115da4cf6a Pool objects to avoid memory polution with duplicates Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	497 try {
312 f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 304 diff changeset	498 if (!inspector.begin(revisionNumber, new Nodeid(nodeid, true), linkRevision)) {
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 304 diff changeset	499 iterateControl.stop();
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 304 diff changeset	500 return;
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 304 diff changeset	501 }
372 155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	502 if (!da.isEmpty()) {
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	503 // although unlikely, manifest entry may be empty, when all files have been deleted from the repository
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	504 Path fname = null;
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	505 Flags flags = null;
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	506 Nodeid nid = null;
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	507 int i;
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	508 byte[] data = da.byteArray();
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	509 for (i = 0; i < actualLen; i++) {
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	510 int x = i;
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	511 for( ; data[i] != '\n' && i < actualLen; i++) {
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	512 if (fname == null && data[i] == 0) {
571 e4ee4bf4c7d0 Let session context control creation of Path instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 550 diff changeset	513 PathProxy px = fnamePool.unify(new PathProxy(data, x, i - x));
372 155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	514 // if (cached = fnamePool.unify(px))== px then cacheMiss, else cacheHit
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	515 // cpython 0..10k: hits: 15 989 152, misses: 3020
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	516 fname = px.freeze();
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	517 x = i+1;
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	518 }
196 e2115da4cf6a Pool objects to avoid memory polution with duplicates Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	519 }
372 155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	520 if (i < actualLen) {
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	521 assert data[i] == '\n';
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	522 int nodeidLen = i - x < 40 ? i-x : 40; // if > 40, there are flags
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	523 DigestHelper.ascii2bin(data, x, nodeidLen, nodeidLookupBuffer); // ignore return value as it's unlikely to have NULL in manifest
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	524 nid = new Nodeid(nodeidLookupBuffer, false); // this Nodeid is for pool lookup only, mock object
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	525 Nodeid cached = nodeidPool.unify(nid);
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	526 if (cached == nid) {
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	527 // buffer now belongs to the cached nodeid
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	528 nodeidLookupBuffer = new byte[20];
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	529 } else {
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	530 nid = cached; // use existing version, discard the lookup object
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	531 } // for cpython 0..10k, cache hits are 15 973 301, vs 18871 misses.
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	532 thisRevPool.record(nid); // memorize revision for the next iteration.
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	533 if (nodeidLen + x < i) {
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	534 // 'x' and 'l' for executable bits and symlinks?
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	535 // hg --debug manifest shows 644 for each regular file in my repo
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	536 // for cpython 0..10k, there are 4361062 flag checks, and there's only 1 unique flag
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	537 flags = Flags.parse(data, x + nodeidLen, i-x-nodeidLen);
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	538 } else {
415 ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	539 flags = Flags.RegularFile;
372 155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	540 }
424 6437d261048a Deprecated code removed Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 423 diff changeset	541 boolean good2go = inspector.next(nid, fname, flags);
372 155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	542 if (!good2go) {
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	543 iterateControl.stop();
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	544 return;
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	545 }
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	546 }
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	547 nid = null;
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	548 fname = null;
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	549 flags = null;
196 e2115da4cf6a Pool objects to avoid memory polution with duplicates Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	550 }
e2115da4cf6a Pool objects to avoid memory polution with duplicates Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	551 }
312 f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 304 diff changeset	552 if (!inspector.end(revisionNumber)) {
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 304 diff changeset	553 iterateControl.stop();
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 304 diff changeset	554 return;
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 304 diff changeset	555 }
262 3dcd3dd90c77 Improve manifest parsing: decode bytes to chars once, minimize arraycopy on String instantiation, keep set of file revisions from previous manifest only Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 257 diff changeset	556 //
3dcd3dd90c77 Improve manifest parsing: decode bytes to chars once, minimize arraycopy on String instantiation, keep set of file revisions from previous manifest only Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 257 diff changeset	557 // keep only actual file revisions, found at this version
3dcd3dd90c77 Improve manifest parsing: decode bytes to chars once, minimize arraycopy on String instantiation, keep set of file revisions from previous manifest only Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 257 diff changeset	558 // (next manifest is likely to refer to most of them, although in specific cases
3dcd3dd90c77 Improve manifest parsing: decode bytes to chars once, minimize arraycopy on String instantiation, keep set of file revisions from previous manifest only Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 257 diff changeset	559 // like commit in another branch a lot may be useless)
3dcd3dd90c77 Improve manifest parsing: decode bytes to chars once, minimize arraycopy on String instantiation, keep set of file revisions from previous manifest only Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 257 diff changeset	560 nodeidPool.clear();
431 12f668401613 FIXMEs: awkward API refactored, what need to be internal got hidden; public aspects got captured in slim interfaces Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 426 diff changeset	561 IdentityPool<Nodeid> t = nodeidPool;
262 3dcd3dd90c77 Improve manifest parsing: decode bytes to chars once, minimize arraycopy on String instantiation, keep set of file revisions from previous manifest only Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 257 diff changeset	562 nodeidPool = thisRevPool;
264 6bb5e7ed051a Optimize memory usage (reduce number of objects instantiated) when pooling file names and nodeids during manifest parsing Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 262 diff changeset	563 thisRevPool = t;
313 c1e3c18fd2f2 Test manifest cancellation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 312 diff changeset	564 iterateControl.checkCancelled();
312 f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 304 diff changeset	565 progressHelper.worked(1);
196 e2115da4cf6a Pool objects to avoid memory polution with duplicates Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	566 } catch (IOException 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: 421 diff changeset	567 throw new HgInvalidControlFileException("Failed reading manifest", ex, null).setRevisionIndex(revisionNumber);
196 e2115da4cf6a Pool objects to avoid memory polution with duplicates Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	568 }
e2115da4cf6a Pool objects to avoid memory polution with duplicates Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	569 }
312 f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 304 diff changeset	570
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 304 diff changeset	571 public void start(int count, Callback callback, Object token) {
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 304 diff changeset	572 CancelSupport cs = CancelSupport.Factory.get(inspector, null);
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 304 diff changeset	573 iterateControl = new IterateControlMediator(cs, callback);
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 304 diff changeset	574 progressHelper.start(count);
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 304 diff changeset	575 }
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 304 diff changeset	576
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 304 diff changeset	577 public void finish(Object token) {
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 304 diff changeset	578 progressHelper.done();
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 304 diff changeset	579 }
196 e2115da4cf6a Pool objects to avoid memory polution with duplicates Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	580 }
218 047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	581
600 46f29b73e51e Utilize RevisionLookup to speed-up getRevisionIndex of both manifest and changelog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 598 diff changeset	582 private class RevisionMapper implements RevlogStream.Inspector, Lifecycle {
218 047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	583
403 2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	584 private final int changelogRevisionCount;
218 047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	585 private int[] changelog2manifest;
600 46f29b73e51e Utilize RevisionLookup to speed-up getRevisionIndex of both manifest and changelog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 598 diff changeset	586 RevisionLookup manifestNodeids;
218 047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	587
600 46f29b73e51e Utilize RevisionLookup to speed-up getRevisionIndex of both manifest and changelog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 598 diff changeset	588 private RevisionMapper(boolean useOwnRevisionLookup) {
46f29b73e51e Utilize RevisionLookup to speed-up getRevisionIndex of both manifest and changelog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 598 diff changeset	589 changelogRevisionCount = HgManifest.this.getRepo().getChangelog().getRevisionCount();
46f29b73e51e Utilize RevisionLookup to speed-up getRevisionIndex of both manifest and changelog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 598 diff changeset	590 if (useOwnRevisionLookup) {
46f29b73e51e Utilize RevisionLookup to speed-up getRevisionIndex of both manifest and changelog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 598 diff changeset	591 manifestNodeids = new RevisionLookup(HgManifest.this.content);
46f29b73e51e Utilize RevisionLookup to speed-up getRevisionIndex of both manifest and changelog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 598 diff changeset	592 }
218 047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	593 }
600 46f29b73e51e Utilize RevisionLookup to speed-up getRevisionIndex of both manifest and changelog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 598 diff changeset	594
403 2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	595 /**
2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	596 * Get index of manifest revision that corresponds to specified changeset
2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	597 * @param changesetRevisionIndex non-negative index of changelog revision, or {@link HgRepository#TIP}
2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	598 * @return index of manifest revision, or {@link HgRepository#BAD_REVISION} if changeset doesn't reference a valid manifest
2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	599 * @throws HgInvalidRevisionException if method argument specifies non-existent revision index
2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	600 */
2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	601 public int at(int changesetRevisionIndex) throws HgInvalidRevisionException {
2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	602 if (changesetRevisionIndex == TIP) {
2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	603 changesetRevisionIndex = changelogRevisionCount - 1;
2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	604 }
2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	605 if (changesetRevisionIndex >= changelogRevisionCount) {
2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	606 throw new HgInvalidRevisionException(changesetRevisionIndex);
257 f39fb6b3cc76 Handle revision constants correctly Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 254 diff changeset	607 }
218 047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	608 if (changelog2manifest != null) {
403 2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	609 return changelog2manifest[changesetRevisionIndex];
218 047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	610 }
403 2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	611 return changesetRevisionIndex;
218 047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	612 }
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	613
600 46f29b73e51e Utilize RevisionLookup to speed-up getRevisionIndex of both manifest and changelog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 598 diff changeset	614 // XXX can be replaced with Revlog.RevisionInspector, but I don't want Nodeid instances
218 047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	615 public void next(int revisionNumber, int actualLen, int baseRevision, int linkRevision, int parent1Revision, int parent2Revision, byte[] nodeid, DataAccess data) {
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	616 if (changelog2manifest != null) {
220 8de327242aa0 Basic information about branches Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 218 diff changeset	617 // next assertion is not an error, rather assumption check, which is too development-related to be explicit exception -
8de327242aa0 Basic information about branches Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 218 diff changeset	618 // I just wonder if there are manifests that have two entries pointing to single changeset. It seems unrealistic, though -
8de327242aa0 Basic information about branches Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 218 diff changeset	619 // changeset records one and only one manifest nodeid
403 2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	620 assert changelog2manifest[linkRevision] == BAD_REVISION : String.format("revision:%d, link:%d, already linked to revision:%d", revisionNumber, linkRevision, changelog2manifest[linkRevision]);
218 047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	621 changelog2manifest[linkRevision] = revisionNumber;
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	622 } else {
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	623 if (revisionNumber != linkRevision) {
403 2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	624 changelog2manifest = new int[changelogRevisionCount];
2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	625 Arrays.fill(changelog2manifest, BAD_REVISION);
218 047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	626 for (int i = 0; i < revisionNumber; changelog2manifest[i] = i, i++)
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	627 ;
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	628 changelog2manifest[linkRevision] = revisionNumber;
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	629 }
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	630 }
600 46f29b73e51e Utilize RevisionLookup to speed-up getRevisionIndex of both manifest and changelog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 598 diff changeset	631 if (manifestNodeids != null) {
46f29b73e51e Utilize RevisionLookup to speed-up getRevisionIndex of both manifest and changelog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 598 diff changeset	632 manifestNodeids.next(revisionNumber, nodeid);
46f29b73e51e Utilize RevisionLookup to speed-up getRevisionIndex of both manifest and changelog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 598 diff changeset	633 }
218 047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	634 }
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	635
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	636 public void start(int count, Callback callback, Object token) {
403 2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	637 if (count != changelogRevisionCount) {
2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	638 assert count < changelogRevisionCount; // no idea what to do if manifest has more revisions than changelog
218 047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	639 // the way how manifest may contain more revisions than changelog, as I can imagine, is a result of
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	640 // some kind of an import tool (e.g. from SVN or CVS), that creates manifest and changelog independently.
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	641 // Note, it's pure guess, I didn't see such repository yet (although the way manifest revisions
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	642 // in cpython repo are numbered makes me think aforementioned way)
403 2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	643 changelog2manifest = new int[changelogRevisionCount];
2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	644 Arrays.fill(changelog2manifest, BAD_REVISION);
218 047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	645 }
600 46f29b73e51e Utilize RevisionLookup to speed-up getRevisionIndex of both manifest and changelog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 598 diff changeset	646 if (manifestNodeids != null) {
46f29b73e51e Utilize RevisionLookup to speed-up getRevisionIndex of both manifest and changelog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 598 diff changeset	647 manifestNodeids.prepare(count);
46f29b73e51e Utilize RevisionLookup to speed-up getRevisionIndex of both manifest and changelog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 598 diff changeset	648 }
218 047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	649 }
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	650
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	651 public void finish(Object token) {
600 46f29b73e51e Utilize RevisionLookup to speed-up getRevisionIndex of both manifest and changelog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 598 diff changeset	652 // it's not a nice idea to fix changesets that reuse existing manifest entries from inside
46f29b73e51e Utilize RevisionLookup to speed-up getRevisionIndex of both manifest and changelog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 598 diff changeset	653 // #finish, as the manifest read operation is not complete at the moment.
46f29b73e51e Utilize RevisionLookup to speed-up getRevisionIndex of both manifest and changelog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 598 diff changeset	654 }
46f29b73e51e Utilize RevisionLookup to speed-up getRevisionIndex of both manifest and changelog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 598 diff changeset	655
46f29b73e51e Utilize RevisionLookup to speed-up getRevisionIndex of both manifest and changelog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 598 diff changeset	656 public void fixReusedManifests() {
218 047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	657 if (changelog2manifest == null) {
600 46f29b73e51e Utilize RevisionLookup to speed-up getRevisionIndex of both manifest and changelog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 598 diff changeset	658 // direct, 1-1 mapping of changeset indexes to manifest
218 047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	659 return;
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	660 }
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	661 // I assume there'd be not too many revisions we don't know manifest of
597 c895b5556937 Wrap manifest revision map completion into single file access Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 583 diff changeset	662 IntVector undefinedChangelogRevision = new IntVector();
218 047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	663 for (int i = 0; i < changelog2manifest.length; i++) {
403 2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	664 if (changelog2manifest[i] == BAD_REVISION) {
218 047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	665 undefinedChangelogRevision.add(i);
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	666 }
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	667 }
597 c895b5556937 Wrap manifest revision map completion into single file access Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 583 diff changeset	668 if (undefinedChangelogRevision.size() > 0) {
c895b5556937 Wrap manifest revision map completion into single file access Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 583 diff changeset	669 final IntMap<Nodeid> missingCsetToManifest = new IntMap<Nodeid>(undefinedChangelogRevision.size());
c895b5556937 Wrap manifest revision map completion into single file access Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 583 diff changeset	670 int[] undefinedClogRevs = undefinedChangelogRevision.toArray();
c895b5556937 Wrap manifest revision map completion into single file access Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 583 diff changeset	671 // undefinedChangelogRevision is sorted by the nature it's created
600 46f29b73e51e Utilize RevisionLookup to speed-up getRevisionIndex of both manifest and changelog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 598 diff changeset	672 HgManifest.this.getRepo().getChangelog().rangeInternal(new HgChangelog.Inspector() {
597 c895b5556937 Wrap manifest revision map completion into single file access Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 583 diff changeset	673
c895b5556937 Wrap manifest revision map completion into single file access Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 583 diff changeset	674 public void next(int revisionIndex, Nodeid nodeid, RawChangeset cset) {
c895b5556937 Wrap manifest revision map completion into single file access Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 583 diff changeset	675 missingCsetToManifest.put(revisionIndex, cset.manifest());
c895b5556937 Wrap manifest revision map completion into single file access Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 583 diff changeset	676 }
c895b5556937 Wrap manifest revision map completion into single file access Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 583 diff changeset	677 }, undefinedClogRevs);
c895b5556937 Wrap manifest revision map completion into single file access Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 583 diff changeset	678 assert missingCsetToManifest.size() == undefinedChangelogRevision.size();
c895b5556937 Wrap manifest revision map completion into single file access Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 583 diff changeset	679 for (int u : undefinedClogRevs) {
c895b5556937 Wrap manifest revision map completion into single file access Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 583 diff changeset	680 Nodeid manifest = missingCsetToManifest.get(u);
c895b5556937 Wrap manifest revision map completion into single file access Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 583 diff changeset	681 if (manifest == null \|\| manifest.isNull()) {
600 46f29b73e51e Utilize RevisionLookup to speed-up getRevisionIndex of both manifest and changelog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 598 diff changeset	682 HgManifest.this.getRepo().getSessionContext().getLog().dump(getClass(), Severity.Warn, "Changeset %d has no associated manifest entry", u);
46f29b73e51e Utilize RevisionLookup to speed-up getRevisionIndex of both manifest and changelog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 598 diff changeset	683 // keep BAD_REVISION in the changelog2manifest map.
598 d29d9dc6c128 Utilize the fact nodeids are very different and are read anyway to speed up reverse lookup Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 597 diff changeset	684 continue;
d29d9dc6c128 Utilize the fact nodeids are very different and are read anyway to speed up reverse lookup Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 597 diff changeset	685 }
600 46f29b73e51e Utilize RevisionLookup to speed-up getRevisionIndex of both manifest and changelog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 598 diff changeset	686 if (manifestNodeids != null) {
46f29b73e51e Utilize RevisionLookup to speed-up getRevisionIndex of both manifest and changelog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 598 diff changeset	687 int manifestRevIndex = manifestNodeids.findIndex(manifest);
46f29b73e51e Utilize RevisionLookup to speed-up getRevisionIndex of both manifest and changelog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 598 diff changeset	688 // mimic HgManifest#getRevisionIndex() to keep behavior the same
46f29b73e51e Utilize RevisionLookup to speed-up getRevisionIndex of both manifest and changelog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 598 diff changeset	689 if (manifestRevIndex == BAD_REVISION) {
46f29b73e51e Utilize RevisionLookup to speed-up getRevisionIndex of both manifest and changelog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 598 diff changeset	690 throw new HgInvalidRevisionException(String.format("Can't find index of revision %s", manifest.shortNotation()), manifest, null);
598 d29d9dc6c128 Utilize the fact nodeids are very different and are read anyway to speed up reverse lookup Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 597 diff changeset	691 }
600 46f29b73e51e Utilize RevisionLookup to speed-up getRevisionIndex of both manifest and changelog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 598 diff changeset	692 changelog2manifest[u] = manifestRevIndex;
46f29b73e51e Utilize RevisionLookup to speed-up getRevisionIndex of both manifest and changelog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 598 diff changeset	693 } else {
46f29b73e51e Utilize RevisionLookup to speed-up getRevisionIndex of both manifest and changelog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 598 diff changeset	694 changelog2manifest[u] = HgManifest.this.getRevisionIndex(manifest);
597 c895b5556937 Wrap manifest revision map completion into single file access Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 583 diff changeset	695 }
354 5f9073eabf06 Propagate errors with exceptions up to a end client Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 326 diff changeset	696 }
218 047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	697 }
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	698 }
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	699 }
415 ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	700
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	701 /**
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	702 * Look up specified file in possibly multiple manifest revisions, collect file revision and flags.
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	703 */
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	704 private static class FileLookupInspector implements RevlogStream.Inspector {
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	705
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	706 private final Path filename;
415 ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	707 private final byte[] filenameAsBytes;
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	708 private final IntMap<Nodeid> csetIndex2FileRev;
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	709 private final IntMap<Flags> csetIndex2Flags;
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	710 private final Inspector delegate;
415 ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	711
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	712 public FileLookupInspector(EncodingHelper eh, Path fileToLookUp, IntMap<Nodeid> csetIndex2FileRevMap, IntMap<Flags> csetIndex2FlagsMap) {
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	713 assert fileToLookUp != null;
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	714 // need at least one map for the inspector to make any sense
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	715 assert csetIndex2FileRevMap != null \|\| csetIndex2FlagsMap != null;
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	716 filename = fileToLookUp;
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	717 filenameAsBytes = eh.toManifest(fileToLookUp.toString());
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	718 delegate = null;
415 ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	719 csetIndex2FileRev = csetIndex2FileRevMap;
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	720 csetIndex2Flags = csetIndex2FlagsMap;
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	721 }
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	722
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	723 public FileLookupInspector(EncodingHelper eh, Path fileToLookUp, Inspector delegateInspector) {
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	724 assert fileToLookUp != null;
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	725 assert delegateInspector != null;
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	726 filename = fileToLookUp;
415 ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	727 filenameAsBytes = eh.toManifest(fileToLookUp.toString());
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	728 delegate = delegateInspector;
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	729 csetIndex2FileRev = null;
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	730 csetIndex2Flags = null;
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	731 }
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	732
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	733 void walk(int manifestRevIndex, RevlogStream content) {
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	734 content.iterate(manifestRevIndex, manifestRevIndex, true, this);
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	735 }
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	736
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	737 void walk(int[] manifestRevIndexes, RevlogStream content) {
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	738 content.iterate(manifestRevIndexes, true, this);
415 ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	739 }
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	740
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: 421 diff changeset	741 public void next(int revisionNumber, int actualLen, int baseRevision, int linkRevision, int parent1Revision, int parent2Revision, byte[] nodeid, DataAccess data) {
574 88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 571 diff changeset	742 ByteVector byteVector = new ByteVector(256, 128); // allocate for long paths right away
415 ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	743 try {
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	744 byte b;
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	745 while (!data.isEmpty() && (b = data.readByte()) != '\n') {
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	746 if (b != 0) {
574 88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 571 diff changeset	747 byteVector.add(b);
415 ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	748 } else {
574 88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 571 diff changeset	749 if (byteVector.equalsTo(filenameAsBytes)) {
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	750 Nodeid fileRev = null;
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	751 Flags flags = null;
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	752 if (csetIndex2FileRev != null \|\| delegate != null) {
415 ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	753 byte[] nid = new byte[40];
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	754 data.readBytes(nid, 0, 40);
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	755 fileRev = Nodeid.fromAscii(nid, 0, 40);
415 ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	756 } else {
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	757 data.skip(40);
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	758 }
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	759 if (csetIndex2Flags != null \|\| delegate != null) {
574 88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 571 diff changeset	760 byteVector.clear();
415 ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	761 while (!data.isEmpty() && (b = data.readByte()) != '\n') {
574 88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 571 diff changeset	762 byteVector.add(b);
415 ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	763 }
574 88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 571 diff changeset	764 if (byteVector.size() == 0) {
415 ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	765 flags = Flags.RegularFile;
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	766 } else {
574 88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 571 diff changeset	767 flags = Flags.parse(byteVector.toByteArray(), 0, byteVector.size());
415 ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	768 }
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	769 }
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	770 if (delegate != null) {
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	771 assert flags != null;
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	772 assert fileRev != null;
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	773 delegate.begin(revisionNumber, Nodeid.fromBinary(nodeid, 0), linkRevision);
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	774 delegate.next(fileRev, filename, flags);
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	775 delegate.end(revisionNumber);
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	776
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	777 } else {
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	778 if (csetIndex2FileRev != null) {
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	779 csetIndex2FileRev.put(linkRevision, fileRev);
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	780 }
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	781 if (csetIndex2Flags != null) {
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	782 csetIndex2Flags.put(linkRevision, flags);
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	783 }
415 ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	784 }
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	785 break;
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	786 } else {
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	787 data.skip(40);
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	788 }
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	789 // else skip to the end of line
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	790 while (!data.isEmpty() && (b = data.readByte()) != '\n')
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	791 ;
574 88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 571 diff changeset	792
88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 571 diff changeset	793 byteVector.clear();
415 ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	794 }
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	795 }
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	796 } catch (IOException 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: 421 diff changeset	797 throw new HgInvalidControlFileException("Failed reading manifest", ex, null);
415 ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	798 }
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	799 }
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	800 }
2 08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	801 }

Mercurial > hg4j

annotate src/org/tmatesoft/hg/repo/HgManifest.java @ 606:5daa42067e7c