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

annotate src/org/tmatesoft/hg/repo/HgManifest.java @ 599:55b7987c1796

Do not instantiate intermediate arrays

author	Artem Tikhomirov <tikhomirov.artem@gmail.com>
date	Fri, 03 May 2013 15:29:26 +0200
parents	d29d9dc6c128
children	46f29b73e51e

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;
77 c677e1593919 Moved RevlogStream implementation into .internal Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 74 diff changeset	38 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	39 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	40 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	41 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	42 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	43 import org.tmatesoft.hg.util.ProgressSupport;
74 6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 28 diff changeset	44
2 08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	45
08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	46 /**
425 48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	47 * 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	48 *
48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	49 * @see http://mercurial.selenic.com/wiki/Manifest
74 6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 28 diff changeset	50 * @author Artem Tikhomirov
6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 28 diff changeset	51 * @author TMate Software Ltd.
2 08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	52 */
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	53 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	54 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	55 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	56 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	57
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	58 /**
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 * 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	60 */
285 6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	61 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	62 /**
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 * 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	64 */
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 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	66 /**
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 * 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	68 */
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 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	70 /**
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 * 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	72 */
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 RegularFile;
285 6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	74
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	75 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	76 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	77 return Exec;
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	78 }
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	79 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	80 return Link;
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	81 }
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	82 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	83 return RegularFile;
285 6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	84 }
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	85 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	86 }
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 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	89 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	90 return RegularFile;
285 6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	91 }
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	92 if (length == 1) {
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	93 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	94 return Exec;
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	95 }
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	96 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	97 return Link;
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	98 }
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	99 // FALL THROUGH
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	100 }
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	101 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	102 }
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 String nativeString() {
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	105 if (this == Exec) {
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	106 return "x";
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	107 }
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	108 if (this == Link) {
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	109 return "l";
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	110 }
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	111 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	112 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	113 }
285 6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	114 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	115 }
574 88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 571 diff changeset	116
88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 571 diff changeset	117 public int fsMode() {
88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 571 diff changeset	118 if (this == Exec) {
88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 571 diff changeset	119 return 0755;
88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 571 diff changeset	120 }
88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 571 diff changeset	121 return 0644;
88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 571 diff changeset	122 }
285 6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	123 }
2 08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	124
412 63c5a9d7ca3f Follow-up for Issue 29: unify path translation for manifest and dirstate Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	125 /package-local/ HgManifest(HgRepository hgRepo, RevlogStream content, EncodingHelper eh) {
21 e929cecae4e1 Refactor to move revlog content to base class Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 20 diff changeset	126 super(hgRepo, content);
412 63c5a9d7ca3f Follow-up for Issue 29: unify path translation for manifest and dirstate Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	127 encodingHelper = eh;
574 88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 571 diff changeset	128 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	129 }
df8c67f3006a Basic manifest parsing to analyze what's in there Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 2 diff changeset	130
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	131 /**
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	132 * 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	133 * 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	134 * 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	135 * <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	136 * 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	137 * 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	138 * 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	139 * </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	140 * 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	141 * 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	142 *
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 * <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	144 * 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	145 * 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	146 * <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	147 * <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	148 * (<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	149 * 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	150 * 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	151 * 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	152 * <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	153 * 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	154 * 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	155 * 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	156 * </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	157 * 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	158 * <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	159 *
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	160 * @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	161 * @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	162 * @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	163 * @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	164 * @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	165 * @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	166 */
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	167 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	168 if (inspector == null) {
e2115da4cf6a Pool objects to avoid memory polution with duplicates Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	169 throw new IllegalArgumentException();
e2115da4cf6a Pool objects to avoid memory polution with duplicates Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	170 }
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	171 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	172 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	173 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	174 manifestFirst = fromChangelog(csetFirst+i);
403 2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	175 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	176 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	177 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	178 }
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 i++;
403 2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	180 } while (manifestFirst == BAD_REVISION && csetFirst+i <= csetLast);
2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	181 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	182 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	183 // 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	184 // 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	185 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	186 }
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 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	188 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	189 manifestLast = fromChangelog(csetLast-i);
403 2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	190 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	191 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	192 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	193 }
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 i++;
403 2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	195 } while (manifestLast == BAD_REVISION && csetLast-i >= csetFirst);
2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	196 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	197 // 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	198 // 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	199 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	200 }
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 if (manifestLast < manifestFirst) {
300 650b45d290b1 Share range check code Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 285 diff changeset	202 // 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	203 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	204 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	205 manifestFirst = x;
300 650b45d290b1 Share range check code Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 285 diff changeset	206 }
571 e4ee4bf4c7d0 Let session context control creation of Path instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 550 diff changeset	207 content.iterate(manifestFirst, manifestLast, true, new ManifestParser(inspector));
19 40532cdc92fc Inspector (visitor) for manifest Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 16 diff changeset	208 }
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	209
254 a620f0663a37 Collect tags for a file - improve performance of 'sparse' manifest reads Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 232 diff changeset	210 /**
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	211 * "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	212 * <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	213 * 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	214 * 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	215 * 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	216 *
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	217 * @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	218 * @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	219 * @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	220 * @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	221 */
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	222 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	223 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	224 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	225 }
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	226 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	227 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	228 }
a620f0663a37 Collect tags for a file - improve performance of 'sparse' manifest reads Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 232 diff changeset	229
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	230 //
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 /**
403 2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	232 * 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	233 * 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	234 * @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	235 * @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	236 * @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	237 */
403 2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	238 /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	239 if (HgInternals.wrongRevisionIndex(changesetRevisionIndex)) {
425 48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	240 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	241 }
368 8107b95f4280 Update Javadoc with 'revision index' Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 367 diff changeset	242 if (changesetRevisionIndex == HgRepository.WORKING_COPY \|\| changesetRevisionIndex == HgRepository.BAD_REVISION) {
425 48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	243 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	244 }
f39fb6b3cc76 Handle revision constants correctly Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 254 diff changeset	245 // 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	246 if (revisionMap == null) {
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 revisionMap = new RevisionMapper(getRepo());
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	248 content.iterate(0, TIP, false, revisionMap);
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 }
368 8107b95f4280 Update Javadoc with 'revision index' Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 367 diff changeset	250 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	251 }
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	252
232 b7347daa50e3 Allow to cat a file with changeset revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 222 diff changeset	253 /**
b7347daa50e3 Allow to cat a file with changeset revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 222 diff changeset	254 * 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	255 * <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	256 * <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	257 *
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	258 * @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	259 * @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	260 * @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	261 * @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	262 * @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	263 * @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	264 */
403 2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	265 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	266 // 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	267 // 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	268 // 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	269 // 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	270 // 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	271 // 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	272 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	273 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	274 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	275 }
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	276 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	277 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	278 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	279 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	280 // 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	281 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	282 }
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	283
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 /**
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 * 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	286 * 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	287 * 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	288 *
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	289 * <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	290 * 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	291 * 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	292 *
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 * @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	294 * @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	295 * @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	296 * @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	297 * @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	298 */
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 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	300 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	301 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	302 }
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 // 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	304 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	305 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	306 parser.walk(manifestRevIndexes, content);
232 b7347daa50e3 Allow to cat a file with changeset revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 222 diff changeset	307 }
326 d42a45a2c9d6 Alternative tag collection approach for a file history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 324 diff changeset	308
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	309 /**
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	310 * 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	311 *
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	312 * @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	313 * @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	314 * @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	315 * @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	316 * @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	317 */
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	318 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	319 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	320 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	321 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	322 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	323 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	324 // 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	325 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	326 }
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
326 d42a45a2c9d6 Alternative tag collection approach for a file history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 324 diff changeset	328
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	329 /**
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	330 * @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	331 * @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	332 * @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	333 * @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	334 * @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	335 */
403 2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	336 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	337 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	338 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	339 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	340 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	341 final int manifestRevisionIndex = fromChangelog(changelogRevisionIndexes[i]);
403 2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	342 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	343 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	344 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	345 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	346 }
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	347 // 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	348 } 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	349 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	350 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	351 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	352 }
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 j++;
326 d42a45a2c9d6 Alternative tag collection approach for a file history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 324 diff changeset	354 }
d42a45a2c9d6 Alternative tag collection approach for a file history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 324 diff changeset	355 }
d42a45a2c9d6 Alternative tag collection approach for a file history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 324 diff changeset	356 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	357 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	358 }
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	359 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	360 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	361 } 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	362 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	363 //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	364 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	365 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	366 }
326 d42a45a2c9d6 Alternative tag collection approach for a file history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 324 diff changeset	367 }
d42a45a2c9d6 Alternative tag collection approach for a file history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 324 diff changeset	368
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	369 @Callback
19 40532cdc92fc Inspector (visitor) for manifest Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 16 diff changeset	370 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	371 /**
537 5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 490 diff changeset	372 * 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	373 * 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	374 *
583 47dfa0ec7e35 Effective revlog patching Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 574 diff changeset	375 * @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	376 * @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	377 * @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	378 * @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	379 */
583 47dfa0ec7e35 Effective revlog patching Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 574 diff changeset	380 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	381
5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 490 diff changeset	382
5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 490 diff changeset	383 /**
5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 490 diff changeset	384 * 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	385 *
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	386 * @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	387 * @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	388 * @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	389 * @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	390 */
285 6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	391 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	392
5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 490 diff changeset	393 /**
5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 490 diff changeset	394 * 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	395 *
5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 490 diff changeset	396 * @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	397 * @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	398 */
5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 490 diff changeset	399 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	400 }
424 6437d261048a Deprecated code removed Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 423 diff changeset	401
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	402 /**
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	403 * 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	404 * 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	405 * 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	406 * 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	407 *
285 6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	408 * 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	409 * 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	410 * 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	411 */
571 e4ee4bf4c7d0 Let session context control creation of Path instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 550 diff changeset	412 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	413 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	414 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	415 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	416 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	417
571 e4ee4bf4c7d0 Let session context control creation of Path instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 550 diff changeset	418 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	419 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	420 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	421 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	422
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	423 // 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	424 // 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	425 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	426 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	427 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	428 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	429 }
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	430 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	431 }
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	432
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	433 @Override
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	434 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	435 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	436 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	437 }
285 6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	438 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	439 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	440 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	441 }
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	442 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	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 }
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	445 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	446 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	447 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	448 }
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	449 }
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 true;
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 @Override
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	453 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	454 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	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
285 6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	457 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	458 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	459 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	460 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	461 // 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	462 // 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	463 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	464 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	465 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	466 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	467 }
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	468 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	469 }
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	470 }
196 e2115da4cf6a Pool objects to avoid memory polution with duplicates Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	471
571 e4ee4bf4c7d0 Let session context control creation of Path instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 550 diff changeset	472 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	473 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	474 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	475 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	476 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	477 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	478 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	479
571 e4ee4bf4c7d0 Let session context control creation of Path instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 550 diff changeset	480 public ManifestParser(Inspector delegate) {
196 e2115da4cf6a Pool objects to avoid memory polution with duplicates Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	481 assert delegate != null;
e2115da4cf6a Pool objects to avoid memory polution with duplicates Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	482 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	483 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	484 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	485 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	486 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	487 }
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	488
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	489 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	490 try {
312 f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 304 diff changeset	491 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	492 iterateControl.stop();
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 304 diff changeset	493 return;
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 304 diff changeset	494 }
372 155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	495 if (!da.isEmpty()) {
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	496 // 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	497 Path fname = null;
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	498 Flags flags = null;
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	499 Nodeid nid = null;
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	500 int i;
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	501 byte[] data = da.byteArray();
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	502 for (i = 0; i < actualLen; i++) {
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	503 int x = i;
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	504 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	505 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	506 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	507 // 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	508 // 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	509 fname = px.freeze();
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	510 x = i+1;
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	511 }
196 e2115da4cf6a Pool objects to avoid memory polution with duplicates Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	512 }
372 155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	513 if (i < actualLen) {
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	514 assert data[i] == '\n';
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	515 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	516 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	517 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	518 Nodeid cached = nodeidPool.unify(nid);
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	519 if (cached == nid) {
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	520 // 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	521 nodeidLookupBuffer = new byte[20];
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	522 } else {
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	523 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	524 } // 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	525 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	526 if (nodeidLen + x < i) {
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	527 // '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	528 // 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	529 // 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	530 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	531 } 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	532 flags = Flags.RegularFile;
372 155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	533 }
424 6437d261048a Deprecated code removed Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 423 diff changeset	534 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	535 if (!good2go) {
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	536 iterateControl.stop();
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	537 return;
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	538 }
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	539 }
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	540 nid = null;
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	541 fname = null;
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	542 flags = null;
196 e2115da4cf6a Pool objects to avoid memory polution with duplicates Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	543 }
e2115da4cf6a Pool objects to avoid memory polution with duplicates Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	544 }
312 f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 304 diff changeset	545 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	546 iterateControl.stop();
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 304 diff changeset	547 return;
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 304 diff changeset	548 }
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	549 //
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	550 // 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	551 // (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	552 // 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	553 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	554 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	555 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	556 thisRevPool = t;
313 c1e3c18fd2f2 Test manifest cancellation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 312 diff changeset	557 iterateControl.checkCancelled();
312 f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 304 diff changeset	558 progressHelper.worked(1);
196 e2115da4cf6a Pool objects to avoid memory polution with duplicates Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	559 } 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	560 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	561 }
e2115da4cf6a Pool objects to avoid memory polution with duplicates Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	562 }
312 f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 304 diff changeset	563
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 304 diff changeset	564 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	565 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	566 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	567 progressHelper.start(count);
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 304 diff changeset	568 }
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 304 diff changeset	569
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 304 diff changeset	570 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	571 progressHelper.done();
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 304 diff changeset	572 }
196 e2115da4cf6a Pool objects to avoid memory polution with duplicates Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	573 }
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	574
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	575 private static class RevisionMapper implements RevlogStream.Inspector, Lifecycle {
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	576
403 2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	577 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	578 private int[] changelog2manifest;
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	579 private final HgRepository repo;
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	580 private int[] manifestNodeidHashes; // first 4 bytes of manifest nodeid at corresponding index
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
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	582 public RevisionMapper(HgRepository hgRepo) {
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 repo = hgRepo;
403 2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	584 changelogRevisionCount = repo.getChangelog().getRevisionCount();
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 }
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	586
403 2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	587 /**
2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	588 * 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	589 * @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	590 * @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	591 * @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	592 */
2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	593 public int at(int changesetRevisionIndex) throws HgInvalidRevisionException {
2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	594 if (changesetRevisionIndex == TIP) {
2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	595 changesetRevisionIndex = changelogRevisionCount - 1;
2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	596 }
2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	597 if (changesetRevisionIndex >= changelogRevisionCount) {
2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	598 throw new HgInvalidRevisionException(changesetRevisionIndex);
257 f39fb6b3cc76 Handle revision constants correctly Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 254 diff changeset	599 }
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	600 if (changelog2manifest != null) {
403 2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	601 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	602 }
403 2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	603 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	604 }
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	605
324 283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 321 diff changeset	606 // XXX likely can be replaced with Revlog.RevisionInspector
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	607 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	608 if (changelog2manifest != null) {
220 8de327242aa0 Basic information about branches Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 218 diff changeset	609 // 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	610 // 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	611 // 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	612 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	613 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	614 } 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	615 if (revisionNumber != linkRevision) {
403 2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	616 changelog2manifest = new int[changelogRevisionCount];
2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	617 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	618 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	619 ;
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	620 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	621 }
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 }
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	623 manifestNodeidHashes[revisionNumber] = Nodeid.hashCode(nodeid);
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	624 }
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	625
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 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	627 if (count != changelogRevisionCount) {
2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	628 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	629 // 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	630 // 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	631 // 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	632 // 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	633 changelog2manifest = new int[changelogRevisionCount];
2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	634 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	635 }
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	636 manifestNodeidHashes = new int[count];
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	637 }
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	638
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 public void finish(Object token) {
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 if (changelog2manifest == null) {
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 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	642 }
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	643 // 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	644 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	645 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	646 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	647 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	648 }
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 }
597 c895b5556937 Wrap manifest revision map completion into single file access Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 583 diff changeset	650 if (undefinedChangelogRevision.size() > 0) {
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	651 final long t1 = System.nanoTime();
597 c895b5556937 Wrap manifest revision map completion into single file access Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 583 diff changeset	652 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	653 int[] undefinedClogRevs = undefinedChangelogRevision.toArray();
c895b5556937 Wrap manifest revision map completion into single file access Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 583 diff changeset	654 // undefinedChangelogRevision is sorted by the nature it's created
c895b5556937 Wrap manifest revision map completion into single file access Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 583 diff changeset	655 repo.getChangelog().rangeInternal(new HgChangelog.Inspector() {
c895b5556937 Wrap manifest revision map completion into single file access Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 583 diff changeset	656
c895b5556937 Wrap manifest revision map completion into single file access Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 583 diff changeset	657 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	658 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	659 }
c895b5556937 Wrap manifest revision map completion into single file access Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 583 diff changeset	660 }, undefinedClogRevs);
c895b5556937 Wrap manifest revision map completion into single file access Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 583 diff changeset	661 assert missingCsetToManifest.size() == undefinedChangelogRevision.size();
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	662 final long t2 = System.nanoTime();
597 c895b5556937 Wrap manifest revision map completion into single file access Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 583 diff changeset	663 for (int u : undefinedClogRevs) {
c895b5556937 Wrap manifest revision map completion into single file access Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 583 diff changeset	664 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	665 if (manifest == null \|\| manifest.isNull()) {
c895b5556937 Wrap manifest revision map completion into single file access Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 583 diff changeset	666 repo.getSessionContext().getLog().dump(getClass(), Severity.Warn, "Changeset %d has no associated manifest entry", u);
c895b5556937 Wrap manifest revision map completion into single file access Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 583 diff changeset	667 // keep -1 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	668 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	669 }
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	670 int hash = manifest.hashCode();
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	671 for (int i = 0; i < manifestNodeidHashes.length; i++) {
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	672 if (manifestNodeidHashes[i] == hash) {
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	673 if (manifest.equals(repo.getManifest().getRevision(i))) {
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	674 changelog2manifest[u] = i;
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	675 break;
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	676 }
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	677 // else false match (only 4 head bytes matched, continue loop
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	678 }
597 c895b5556937 Wrap manifest revision map completion into single file access Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 583 diff changeset	679 }
354 5f9073eabf06 Propagate errors with exceptions up to a end client Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 326 diff changeset	680 }
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	681 final long t3 = System.nanoTime();
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	682 System.out.printf("\tRevisionMapper#finish(), %d missing revs: %d + %d us\n", undefinedChangelogRevision.size(), (t2-t1) / 1000, (t3-t2) / 1000);
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	683 }
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 manifestNodeidHashes = 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	685 }
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	686 }
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	687
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	688 /**
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	689 * 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	690 */
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	691 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	692
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	693 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	694 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	695 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	696 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	697 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	698
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	699 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	700 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	701 // 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	702 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	703 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	704 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	705 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	706 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	707 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	708 }
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	709
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 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	711 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	712 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	713 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	714 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	715 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	716 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	717 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	718 }
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	719
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	720 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	721 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	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
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 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	725 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	726 }
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
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	728 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	729 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	730 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	731 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	732 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	733 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	734 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	735 } else {
574 88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 571 diff changeset	736 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	737 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	738 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	739 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	740 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	741 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	742 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	743 } 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	744 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	745 }
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	746 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	747 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	748 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	749 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	750 }
574 88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 571 diff changeset	751 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	752 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	753 } else {
574 88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 571 diff changeset	754 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	755 }
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	756 }
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	757 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	758 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	759 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	760 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	761 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	762 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	763
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	764 } 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	765 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	766 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	767 }
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	768 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	769 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	770 }
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	771 }
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	772 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	773 } 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	774 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	775 }
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	776 // 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	777 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	778 ;
574 88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 571 diff changeset	779
88afffd39899 Improve memory consumption of HgManifest#getFileRevision(): avoid extra byte[] instances Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 571 diff changeset	780 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	781 }
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	782 }
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	783 } 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	784 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	785 }
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 }
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 }
2 08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	788 }

Mercurial > jhg

annotate src/org/tmatesoft/hg/repo/HgManifest.java @ 599:55b7987c1796