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

annotate src/org/tmatesoft/hg/repo/HgManifest.java @ 552:45751456b471

Annotate file changes through few revisions, walking either direction (old to new and vice versa)

author	Artem Tikhomirov <tikhomirov.artem@gmail.com>
date	Wed, 20 Feb 2013 22:23:50 +0100
parents	c1478cc31f45
children	e4ee4bf4c7d0

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
232 b7347daa50e3 Allow to cat a file with changeset revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 222 diff changeset	23 import java.io.ByteArrayOutputStream;
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	24 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	25 import java.util.ArrayList;
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	26 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	27
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	28 import org.tmatesoft.hg.core.HgChangesetFileSneaker;
74 6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 28 diff changeset	29 import org.tmatesoft.hg.core.Nodeid;
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	30 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	31 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	32 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	33 import org.tmatesoft.hg.internal.EncodingHelper;
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;
312 f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 304 diff changeset	35 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	36 import org.tmatesoft.hg.internal.Lifecycle;
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	37 import org.tmatesoft.hg.internal.IdentityPool;
77 c677e1593919 Moved RevlogStream implementation into .internal Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 74 diff changeset	38 import org.tmatesoft.hg.internal.RevlogStream;
312 f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 304 diff changeset	39 import org.tmatesoft.hg.util.CancelSupport;
232 b7347daa50e3 Allow to cat a file with changeset revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 222 diff changeset	40 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	41 import org.tmatesoft.hg.util.ProgressSupport;
456 909306e412e2 Refactor LogFacility and SessionContext, better API for both Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 431 diff changeset	42 import org.tmatesoft.hg.util.LogFacility.Severity;
74 6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 28 diff changeset	43
2 08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	44
08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	45 /**
425 48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	46 * 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	47 *
48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	48 * @see http://mercurial.selenic.com/wiki/Manifest
74 6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 28 diff changeset	49 * @author Artem Tikhomirov
6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 28 diff changeset	50 * @author TMate Software Ltd.
2 08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	51 */
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	52 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	53 private RevisionMapper revisionMap;
412 63c5a9d7ca3f Follow-up for Issue 29: unify path translation for manifest and dirstate Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	54 private EncodingHelper encodingHelper;
285 6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	55
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	56 /**
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	57 * 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	58 */
285 6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	59 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	60 /**
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	61 * 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	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 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	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 * 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	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 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 * 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	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 RegularFile;
285 6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	72
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	73 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	74 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	75 return Exec;
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	76 }
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	77 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	78 return Link;
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	79 }
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	80 if (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	81 return RegularFile;
285 6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	82 }
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	83 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	84 }
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	85
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	86 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	87 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	88 return RegularFile;
285 6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	89 }
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	90 if (length == 1) {
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	91 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	92 return Exec;
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	93 }
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	94 if (data[start] == 'l') {
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	95 return Link;
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	96 }
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	97 // FALL THROUGH
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 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	100 }
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	101
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	102 String nativeString() {
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	103 if (this == Exec) {
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	104 return "x";
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	105 }
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	106 if (this == Link) {
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	107 return "l";
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	108 }
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	109 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	110 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	111 }
285 6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	112 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	113 }
6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	114 }
2 08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	115
412 63c5a9d7ca3f Follow-up for Issue 29: unify path translation for manifest and dirstate Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	116 /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	117 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	118 encodingHelper = eh;
13 df8c67f3006a Basic manifest parsing to analyze what's in there Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 2 diff changeset	119 }
df8c67f3006a Basic manifest parsing to analyze what's in there Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 2 diff changeset	120
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	121 /**
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	122 * 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	123 * 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	124 * 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	125 * <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	126 * 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	127 * 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	128 * 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	129 * </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	130 * 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	131 * 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	132 *
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 * <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	134 * 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	135 * 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	136 * <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	137 * <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	138 * (<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	139 * 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	140 * 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	141 * 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	142 * <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	143 * 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	144 * 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	145 * 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	146 * </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	147 * 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	148 * <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	149 *
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	150 * @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	151 * @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	152 * @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	153 * @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	154 * @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	155 * @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	156 */
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	157 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	158 if (inspector == null) {
e2115da4cf6a Pool objects to avoid memory polution with duplicates Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	159 throw new IllegalArgumentException();
e2115da4cf6a Pool objects to avoid memory polution with duplicates Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	160 }
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	161 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	162 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	163 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	164 manifestFirst = fromChangelog(csetFirst+i);
403 2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	165 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	166 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	167 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	168 }
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	169 i++;
403 2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	170 } while (manifestFirst == BAD_REVISION && csetFirst+i <= csetLast);
2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	171 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	172 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	173 // 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	174 // 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	175 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	176 }
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	177 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	178 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	179 manifestLast = fromChangelog(csetLast-i);
403 2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	180 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	181 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	182 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	183 }
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 i++;
403 2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	185 } while (manifestLast == BAD_REVISION && csetLast-i >= csetFirst);
2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	186 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	187 // 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	188 // 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	189 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	190 }
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	191 if (manifestLast < manifestFirst) {
300 650b45d290b1 Share range check code Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 285 diff changeset	192 // 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	193 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	194 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	195 manifestFirst = x;
300 650b45d290b1 Share range check code Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 285 diff changeset	196 }
412 63c5a9d7ca3f Follow-up for Issue 29: unify path translation for manifest and dirstate Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	197 content.iterate(manifestFirst, manifestLast, true, new ManifestParser(inspector, encodingHelper));
19 40532cdc92fc Inspector (visitor) for manifest Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 16 diff changeset	198 }
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	199
254 a620f0663a37 Collect tags for a file - improve performance of 'sparse' manifest reads Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 232 diff changeset	200 /**
390 6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	201 * "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	202 * <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	203 * 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	204 * 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	205 * 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	206 *
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	207 * @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	208 * @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	209 * @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	210 * @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	211 */
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	212 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	213 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	214 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	215 }
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	216 int[] manifestRevs = toManifestRevisionIndexes(revisionIndexes, inspector);
412 63c5a9d7ca3f Follow-up for Issue 29: unify path translation for manifest and dirstate Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	217 content.iterate(manifestRevs, true, new ManifestParser(inspector, encodingHelper));
254 a620f0663a37 Collect tags for a file - improve performance of 'sparse' manifest reads Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 232 diff changeset	218 }
a620f0663a37 Collect tags for a file - improve performance of 'sparse' manifest reads Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 232 diff changeset	219
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	220 //
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	221 /**
403 2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	222 * 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	223 * 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	224 * @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	225 * @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	226 * @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	227 */
403 2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	228 /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	229 if (HgInternals.wrongRevisionIndex(changesetRevisionIndex)) {
425 48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	230 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	231 }
368 8107b95f4280 Update Javadoc with 'revision index' Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 367 diff changeset	232 if (changesetRevisionIndex == HgRepository.WORKING_COPY \|\| changesetRevisionIndex == HgRepository.BAD_REVISION) {
425 48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	233 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	234 }
f39fb6b3cc76 Handle revision constants correctly Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 254 diff changeset	235 // 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	236 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	237 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	238 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	239 }
368 8107b95f4280 Update Javadoc with 'revision index' Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 367 diff changeset	240 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	241 }
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	242
232 b7347daa50e3 Allow to cat a file with changeset revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 222 diff changeset	243 /**
b7347daa50e3 Allow to cat a file with changeset revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 222 diff changeset	244 * 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	245 * <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	246 * <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	247 *
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	248 * @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	249 * @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	250 * @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	251 * @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	252 * @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	253 * @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	254 */
403 2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	255 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	256 // 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	257 // 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	258 // 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	259 // 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	260 // 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	261 // 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	262 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	263 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	264 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	265 }
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	266 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	267 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	268 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	269 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	270 // 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	271 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	272 }
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	273
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 /**
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 * 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	276 * 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	277 * 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	278 *
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	279 * <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	280 * 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	281 * 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	282 *
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	283 * @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	284 * @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	285 * @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	286 * @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	287 * @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	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 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	290 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	291 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	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 // 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	294 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	295 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	296 parser.walk(manifestRevIndexes, content);
232 b7347daa50e3 Allow to cat a file with changeset revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 222 diff changeset	297 }
326 d42a45a2c9d6 Alternative tag collection approach for a file history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 324 diff changeset	298
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	299 /**
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	300 * 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	301 *
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	302 * @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	303 * @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	304 * @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	305 * @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	306 * @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	307 */
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	308 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	309 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	310 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	311 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	312 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	313 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	314 // 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	315 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	316 }
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
326 d42a45a2c9d6 Alternative tag collection approach for a file history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 324 diff changeset	318
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	319 /**
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	320 * @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	321 * @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	322 * @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	323 * @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	324 * @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	325 */
403 2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	326 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	327 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	328 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	329 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	330 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	331 final int manifestRevisionIndex = fromChangelog(changelogRevisionIndexes[i]);
403 2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	332 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	333 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	334 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	335 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	336 }
6952d9ce97f1 Handle missing manifest revision case (brought up with Issue 23), do my best to report missing manifests when walking few manifest revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	337 // 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	338 } 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	339 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	340 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	341 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	342 }
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 j++;
326 d42a45a2c9d6 Alternative tag collection approach for a file history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 324 diff changeset	344 }
d42a45a2c9d6 Alternative tag collection approach for a file history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 324 diff changeset	345 }
d42a45a2c9d6 Alternative tag collection approach for a file history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 324 diff changeset	346 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	347 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	348 }
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	349 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	350 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	351 } 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	352 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	353 //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	354 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	355 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	356 }
326 d42a45a2c9d6 Alternative tag collection approach for a file history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 324 diff changeset	357 }
d42a45a2c9d6 Alternative tag collection approach for a file history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 324 diff changeset	358
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	359 @Callback
19 40532cdc92fc Inspector (visitor) for manifest Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 16 diff changeset	360 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	361 /**
537 5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 490 diff changeset	362 * 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	363 * 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	364 *
5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 490 diff changeset	365 * @param mainfestRevisionIndex local revision index of the inspected revision
5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 490 diff changeset	366 * @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	367 * @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	368 * @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	369 */
5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 490 diff changeset	370 boolean begin(int mainfestRevisionIndex, Nodeid manifestRevision, int changelogRevisionIndex);
5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 490 diff changeset	371
5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 490 diff changeset	372
5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 490 diff changeset	373 /**
5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 490 diff changeset	374 * 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	375 *
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	376 * @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	377 * @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	378 * @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	379 * @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	380 */
285 6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	381 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	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 * 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	385 *
5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 490 diff changeset	386 * @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	387 * @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	388 */
5a455624be4f Update javadoc for HgManifest.Inspector and fix erroneous internal API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 490 diff changeset	389 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	390 }
424 6437d261048a Deprecated code removed Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 423 diff changeset	391
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	392 /**
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	393 * 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	394 * 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	395 * 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	396 * 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	397 *
285 6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	398 * 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	399 * 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	400 * 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	401 */
285 6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	402 private static 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	403 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	404 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	405 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	406 private Path result;
412 63c5a9d7ca3f Follow-up for Issue 29: unify path translation for manifest and dirstate Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	407 private final EncodingHelper encHelper;
267 ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	408
412 63c5a9d7ca3f Follow-up for Issue 29: unify path translation for manifest and dirstate Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	409 public PathProxy(byte[] data, int start, int length, EncodingHelper eh) {
267 ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	410 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	411 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	412 this.length = length;
412 63c5a9d7ca3f Follow-up for Issue 29: unify path translation for manifest and dirstate Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	413 this.encHelper = eh;
267 ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	414
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	415 // 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	416 // 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	417 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	418 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	419 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	420 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	421 }
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	422 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	423 }
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	424
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	425 @Override
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	426 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	427 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	428 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	429 }
285 6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	430 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	431 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	432 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	433 }
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	434 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	435 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	436 }
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	437 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	438 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	439 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	440 }
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	441 }
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	442 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	443 }
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	444 @Override
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	445 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	446 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	447 }
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	448
285 6dbbc53fc46d Use Path instead of plain String for manifest file names Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 268 diff changeset	449 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	450 if (result == null) {
412 63c5a9d7ca3f Follow-up for Issue 29: unify path translation for manifest and dirstate Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	451 result = Path.create(encHelper.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	452 // 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	453 // 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	454 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	455 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	456 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	457 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	458 }
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	459 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	460 }
ec921ef0628e Revert manifest parser changes - no single string and back to HashMap Pool Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 266 diff changeset	461 }
196 e2115da4cf6a Pool objects to avoid memory polution with duplicates Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	462
312 f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 304 diff changeset	463 private static 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	464 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	465 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	466 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	467 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	468 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	469 private IterateControlMediator iterateControl;
412 63c5a9d7ca3f Follow-up for Issue 29: unify path translation for manifest and dirstate Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	470 private final EncodingHelper encHelper;
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	471
412 63c5a9d7ca3f Follow-up for Issue 29: unify path translation for manifest and dirstate Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	472 public ManifestParser(Inspector delegate, EncodingHelper eh) {
196 e2115da4cf6a Pool objects to avoid memory polution with duplicates Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	473 assert delegate != null;
e2115da4cf6a Pool objects to avoid memory polution with duplicates Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	474 inspector = delegate;
412 63c5a9d7ca3f Follow-up for Issue 29: unify path translation for manifest and dirstate Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	475 encHelper = eh;
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	476 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	477 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	478 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	479 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	480 }
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	481
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	482 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	483 try {
312 f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 304 diff changeset	484 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	485 iterateControl.stop();
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 304 diff changeset	486 return;
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 304 diff changeset	487 }
372 155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	488 if (!da.isEmpty()) {
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	489 // 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	490 Path fname = null;
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	491 Flags flags = null;
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	492 Nodeid nid = null;
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	493 int i;
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	494 byte[] data = da.byteArray();
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	495 for (i = 0; i < actualLen; i++) {
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	496 int x = i;
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	497 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	498 if (fname == null && data[i] == 0) {
412 63c5a9d7ca3f Follow-up for Issue 29: unify path translation for manifest and dirstate Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	499 PathProxy px = fnamePool.unify(new PathProxy(data, x, i - x, encHelper));
372 155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	500 // 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	501 // 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	502 fname = px.freeze();
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	503 x = i+1;
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	504 }
196 e2115da4cf6a Pool objects to avoid memory polution with duplicates Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	505 }
372 155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	506 if (i < actualLen) {
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	507 assert data[i] == '\n';
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	508 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	509 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	510 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	511 Nodeid cached = nodeidPool.unify(nid);
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	512 if (cached == nid) {
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	513 // 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	514 nodeidLookupBuffer = new byte[20];
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	515 } else {
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	516 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	517 } // 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	518 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	519 if (nodeidLen + x < i) {
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	520 // '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	521 // 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	522 // 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	523 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	524 } 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	525 flags = Flags.RegularFile;
372 155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	526 }
424 6437d261048a Deprecated code removed Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 423 diff changeset	527 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	528 if (!good2go) {
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	529 iterateControl.stop();
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	530 return;
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	531 }
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	532 }
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	533 nid = null;
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	534 fname = null;
155c1893bda4 Issue 22: UnsupportedOperationException on empty manifest entry Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	535 flags = null;
196 e2115da4cf6a Pool objects to avoid memory polution with duplicates Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	536 }
e2115da4cf6a Pool objects to avoid memory polution with duplicates Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	537 }
312 f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 304 diff changeset	538 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	539 iterateControl.stop();
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 304 diff changeset	540 return;
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 304 diff changeset	541 }
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	542 //
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	543 // 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	544 // (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	545 // 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	546 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	547 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	548 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	549 thisRevPool = t;
313 c1e3c18fd2f2 Test manifest cancellation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 312 diff changeset	550 iterateControl.checkCancelled();
312 f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 304 diff changeset	551 progressHelper.worked(1);
196 e2115da4cf6a Pool objects to avoid memory polution with duplicates Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	552 } 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	553 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	554 }
e2115da4cf6a Pool objects to avoid memory polution with duplicates Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	555 }
312 f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 304 diff changeset	556
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 304 diff changeset	557 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	558 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	559 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	560 progressHelper.start(count);
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 304 diff changeset	561 }
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 304 diff changeset	562
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 304 diff changeset	563 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	564 progressHelper.done();
f9f3e9b67ccc Facilitate cancellation and progress reporting in changelog and manifest iterations Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 304 diff changeset	565 }
196 e2115da4cf6a Pool objects to avoid memory polution with duplicates Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	566 }
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	567
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	568 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	569
403 2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	570 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	571 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	572 private final HgRepository repo;
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	573
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 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	575 repo = hgRepo;
403 2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	576 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	577 }
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
403 2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	579 /**
2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	580 * 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	581 * @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	582 * @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	583 * @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	584 */
2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	585 public int at(int changesetRevisionIndex) throws HgInvalidRevisionException {
2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	586 if (changesetRevisionIndex == TIP) {
2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	587 changesetRevisionIndex = changelogRevisionCount - 1;
2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	588 }
2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	589 if (changesetRevisionIndex >= changelogRevisionCount) {
2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	590 throw new HgInvalidRevisionException(changesetRevisionIndex);
257 f39fb6b3cc76 Handle revision constants correctly Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 254 diff changeset	591 }
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	592 if (changelog2manifest != null) {
403 2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	593 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	594 }
403 2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	595 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	596 }
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	597
324 283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 321 diff changeset	598 // 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	599 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	600 if (changelog2manifest != null) {
220 8de327242aa0 Basic information about branches Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 218 diff changeset	601 // 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	602 // 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	603 // 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	604 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	605 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	606 } 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	607 if (revisionNumber != linkRevision) {
403 2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	608 changelog2manifest = new int[changelogRevisionCount];
2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	609 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	610 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	611 ;
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	612 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	613 }
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 }
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 }
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	616
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	617 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	618 if (count != changelogRevisionCount) {
2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	619 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	620 // 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	621 // 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	622 // 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	623 // 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	624 changelog2manifest = new int[changelogRevisionCount];
2747b0723867 FIXMEs: work on exceptions and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 390 diff changeset	625 Arrays.fill(changelog2manifest, BAD_REVISION);
218 047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	626 }
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	627 }
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	628
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 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	630 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	631 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	632 }
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	633 // I assume there'd be not too many revisions we don't know manifest 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	634 ArrayList<Integer> undefinedChangelogRevision = new ArrayList<Integer>();
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 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	636 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	637 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	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 }
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 for (int u : undefinedChangelogRevision) {
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	641 Nodeid manifest = repo.getChangelog().range(u, u).get(0).manifest();
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	642 // TODO calculate those missing effectively (e.g. cache and sort nodeids to speed lookup
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	643 // right away in the #next (may refactor ParentWalker's sequential and sorted into dedicated helper and reuse here)
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	644 if (manifest.isNull()) {
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	645 repo.getSessionContext().getLog().dump(getClass(), Severity.Warn, "Changeset %d has no associated manifest entry", u);
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	646 // keep -1 in the changelog2manifest map.
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	647 } else {
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	648 changelog2manifest[u] = repo.getManifest().getRevisionIndex(manifest);
354 5f9073eabf06 Propagate errors with exceptions up to a end client Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 326 diff changeset	649 }
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	650 }
047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 196 diff changeset	651 }
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	652 }
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	653
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	654 /**
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	655 * 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	656 */
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	657 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	658
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	659 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	660 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	661 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	662 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	663 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	664
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	665 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	666 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	667 // 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	668 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	669 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	670 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	671 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	672 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	673 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	674 }
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	675
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	676 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	677 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	678 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	679 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	680 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	681 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	682 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	683 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	684 }
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	685
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	686 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	687 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	688 }
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	689
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	690 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	691 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	692 }
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	693
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	694 public void next(int revisionNumber, int actualLen, int baseRevision, int linkRevision, int parent1Revision, int parent2Revision, byte[] nodeid, DataAccess data) {
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	695 ByteArrayOutputStream bos = new ByteArrayOutputStream();
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 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	697 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	698 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	699 if (b != 0) {
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 bos.write(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	701 } 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	702 byte[] byteArray = bos.toByteArray();
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	703 bos.reset();
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	704 if (Arrays.equals(filenameAsBytes, byteArray)) {
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	705 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	706 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	707 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	708 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	709 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	710 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	711 } 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	712 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	713 }
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	714 if (csetIndex2Flags != 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	715 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	716 bos.write(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	717 }
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	718 if (bos.size() == 0) {
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	719 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	720 } 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	721 flags = Flags.parse(bos.toByteArray(), 0, bos.size());
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	722 }
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	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 }
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 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	726 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	727 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	728 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	729 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	730 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	731
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	732 } 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	733 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	734 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	735 }
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	736 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	737 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	738 }
415 ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	739 }
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	740 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	741 } 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	742 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	743 }
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 // 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	745 while (!data.isEmpty() && (b = data.readByte()) != '\n')
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 414 diff changeset	746 ;
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	747 }
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 }
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	749 } 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	750 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	751 }
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 }
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 }
2 08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	754 }

Mercurial > hg4j

annotate src/org/tmatesoft/hg/repo/HgManifest.java @ 552:45751456b471