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

annotate src/org/tmatesoft/hg/repo/HgDataFile.java @ 435:ab5a11a61732

Added tag v0.9.0 for changeset 7e1912b4ce99

author	Artem Tikhomirov <tikhomirov.artem@gmail.com>
date	Fri, 30 Mar 2012 18:16:43 +0200
parents	063b0663495a
children	32184ddcf46d

rev	line source
17 571e1b2cc3f7 Query file for its parents. Demo of recently added ignore and digest support from within cat cmd Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 5 diff changeset	1 /*
388 b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 383 diff changeset	2 * Copyright (c) 2010-2012 TMate Software Ltd
74 6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	3 *
6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	4 * This program is free software; you can redistribute it and/or modify
6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	5 * it under the terms of the GNU General Public License as published by
6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	6 * the Free Software Foundation; version 2 of the License.
6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	7 *
6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	8 * This program is distributed in the hope that it will be useful,
6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	11 * GNU General Public License for more details.
6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	12 *
6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	13 * For information on how to redistribute this software under
6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	14 * the terms of a license other than GNU General Public License
102 a3a2e5deb320 Updated contact address to support@hg4j.com Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 88 diff changeset	15 * contact TMate Software at support@hg4j.com
2 08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	16 */
74 6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	17 package org.tmatesoft.hg.repo;
2 08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	18
367 2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 366 diff changeset	19 import static org.tmatesoft.hg.repo.HgInternals.wrongRevisionIndex;
148 1a7a9a20e1f9 Exceptions, javadoc. Initial cancel and progress support Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 135 diff changeset	20 import static org.tmatesoft.hg.repo.HgRepository.*;
74 6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	21
157 d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	22 import java.io.ByteArrayOutputStream;
237 6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 233 diff changeset	23 import java.io.File;
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 233 diff changeset	24 import java.io.FileInputStream;
148 1a7a9a20e1f9 Exceptions, javadoc. Initial cancel and progress support Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 135 diff changeset	25 import java.io.IOException;
115 c0cc2535462c Introduced channels to pipeline (and easily filter) data streams Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 102 diff changeset	26 import java.nio.ByteBuffer;
237 6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 233 diff changeset	27 import java.nio.channels.FileChannel;
78 c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	28 import java.util.ArrayList;
240 29231022fec8 Do not expect file history to be ordered Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 237 diff changeset	29 import java.util.Arrays;
78 c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	30 import java.util.Collection;
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	31
425 48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	32 import org.tmatesoft.hg.core.HgChangesetFileSneaker;
74 6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	33 import org.tmatesoft.hg.core.Nodeid;
157 d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	34 import org.tmatesoft.hg.internal.DataAccess;
121 b1d6208fb517 Conditionally apply filters to file content Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 115 diff changeset	35 import org.tmatesoft.hg.internal.FilterByteChannel;
277 74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	36 import org.tmatesoft.hg.internal.FilterDataAccess;
276 6355ecda1f08 Tailored Map implementation with int keys Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 275 diff changeset	37 import org.tmatesoft.hg.internal.IntMap;
420 6c22bdc0bdfd Respect long offsets in revlogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 417 diff changeset	38 import org.tmatesoft.hg.internal.Internals;
77 c677e1593919 Moved RevlogStream implementation into .internal Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 74 diff changeset	39 import org.tmatesoft.hg.internal.RevlogStream;
115 c0cc2535462c Introduced channels to pipeline (and easily filter) data streams Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 102 diff changeset	40 import org.tmatesoft.hg.util.ByteChannel;
237 6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 233 diff changeset	41 import org.tmatesoft.hg.util.CancelSupport;
148 1a7a9a20e1f9 Exceptions, javadoc. Initial cancel and progress support Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 135 diff changeset	42 import org.tmatesoft.hg.util.CancelledException;
388 b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 383 diff changeset	43 import org.tmatesoft.hg.util.LogFacility;
305 ae8d116f4ee2 Experimental code to build file history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 300 diff changeset	44 import org.tmatesoft.hg.util.Pair;
133 4a948ec83980 core.Path to util.Path as it's not Hg repo dependant Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 129 diff changeset	45 import org.tmatesoft.hg.util.Path;
237 6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 233 diff changeset	46 import org.tmatesoft.hg.util.ProgressSupport;
74 6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	47
5 fc265ddeab26 File content and non-effective, although working, patch application Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 3 diff changeset	48
17 571e1b2cc3f7 Query file for its parents. Demo of recently added ignore and digest support from within cat cmd Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 5 diff changeset	49
2 08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	50 /**
425 48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	51 * Regular user data file stored in the repository.
48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	52 *
48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	53 * <p> Note, most methods accept index in the file's revision history, not that of changelog. Easy way to obtain
48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	54 * changeset revision index from file's is to use {@link #getChangesetRevisionIndex(int)}. To obtain file's revision
48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	55 * index for a given changeset, {@link HgManifest#getFileRevision(int, Path)} or {@link HgChangesetFileSneaker} may
48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	56 * come handy.
74 6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	57 *
6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	58 * @author Artem Tikhomirov
6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	59 * @author TMate Software Ltd.
2 08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	60 */
426 063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	61 public final class HgDataFile extends Revlog {
2 08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	62
3 24bb4f365164 Rudimentary log functionality with basic infrastructure is in place Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 2 diff changeset	63 // absolute from repo root?
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 2 diff changeset	64 // slashes, unix-style?
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 2 diff changeset	65 // repo location agnostic, just to give info to user, not to access real storage
74 6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	66 private final Path path;
134 afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 133 diff changeset	67 private Metadata metadata; // get initialized on first access to file content.
2 08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	68
115 c0cc2535462c Introduced channels to pipeline (and easily filter) data streams Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 102 diff changeset	69 /package-local/HgDataFile(HgRepository hgRepo, Path filePath, RevlogStream content) {
21 e929cecae4e1 Refactor to move revlog content to base class Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 17 diff changeset	70 super(hgRepo, content);
115 c0cc2535462c Introduced channels to pipeline (and easily filter) data streams Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 102 diff changeset	71 path = filePath;
3 24bb4f365164 Rudimentary log functionality with basic infrastructure is in place Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 2 diff changeset	72 }
115 c0cc2535462c Introduced channels to pipeline (and easily filter) data streams Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 102 diff changeset	73
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 102 diff changeset	74 /package-local/HgDataFile(HgRepository hgRepo, Path filePath) {
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 102 diff changeset	75 super(hgRepo);
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 102 diff changeset	76 path = filePath;
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 102 diff changeset	77 }
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 102 diff changeset	78
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 102 diff changeset	79 // exists is not the best name possible. now it means no file with such name was ever known to the repo.
426 063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	80 // it might be confused with files existed before but lately removed. TODO HgFileNode.exists makes more sense.
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	81 // or HgDataFile.known()
3 24bb4f365164 Rudimentary log functionality with basic infrastructure is in place Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 2 diff changeset	82 public boolean exists() {
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 2 diff changeset	83 return content != null; // XXX need better impl
2 08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	84 }
08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	85
426 063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	86 /**
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	87 * Human-readable file name, i.e. "COPYING", not "store/data/_c_o_p_y_i_n_g.i"
063b0663495a HgManifest#getFileRevisions refactored into #walkFileRevisions to match pattern throught rest of the library Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 425 diff changeset	88 */
74 6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	89 public Path getPath() {
157 d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	90 return path; // hgRepo.backresolve(this) -> name? In this case, what about hashed long names?
2 08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	91 }
08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	92
275 6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 245 diff changeset	93 /**
416 d30083c80d52 Better names - non-confusing and aligned with the rest of API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 415 diff changeset	94 * Handy shorthand for {@link #getLength(int) length(getRevisionIndex(nodeid))}
354 5f9073eabf06 Propagate errors with exceptions up to a end client Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 347 diff changeset	95 *
5f9073eabf06 Propagate errors with exceptions up to a end client Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 347 diff changeset	96 * @param nodeid revision of the file
5f9073eabf06 Propagate errors with exceptions up to a end client Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 347 diff changeset	97 *
275 6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 245 diff changeset	98 * @return size of the file content at the given revision
425 48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	99 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
275 6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 245 diff changeset	100 */
425 48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	101 public int getLength(Nodeid nodeid) throws HgRuntimeException {
396 0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 388 diff changeset	102 try {
416 d30083c80d52 Better names - non-confusing and aligned with the rest of API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 415 diff changeset	103 return getLength(getRevisionIndex(nodeid));
396 0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 388 diff changeset	104 } catch (HgInvalidControlFileException ex) {
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 388 diff changeset	105 throw ex.isRevisionSet() ? ex : ex.setRevision(nodeid);
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 388 diff changeset	106 } catch (HgInvalidRevisionException ex) {
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 388 diff changeset	107 throw ex.isRevisionSet() ? ex : ex.setRevision(nodeid);
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 388 diff changeset	108 }
275 6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 245 diff changeset	109 }
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 245 diff changeset	110
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 245 diff changeset	111 /**
368 8107b95f4280 Update Javadoc with 'revision index' Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 367 diff changeset	112 * @param fileRevisionIndex - revision local index, non-negative. From predefined constants, only {@link HgRepository#TIP} makes sense.
275 6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 245 diff changeset	113 * @return size of the file content at the revision identified by local revision number.
425 48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	114 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
275 6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 245 diff changeset	115 */
425 48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	116 public int getLength(int fileRevisionIndex) throws HgRuntimeException {
401 a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 396 diff changeset	117 if (wrongRevisionIndex(fileRevisionIndex) \|\| fileRevisionIndex == BAD_REVISION) {
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 396 diff changeset	118 throw new HgInvalidRevisionException(fileRevisionIndex);
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 396 diff changeset	119 }
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 396 diff changeset	120 if (fileRevisionIndex == TIP) {
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 396 diff changeset	121 fileRevisionIndex = getLastRevision();
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 396 diff changeset	122 } else if (fileRevisionIndex == WORKING_COPY) {
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 396 diff changeset	123 File f = getRepo().getFile(this);
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 396 diff changeset	124 if (f.exists()) {
420 6c22bdc0bdfd Respect long offsets in revlogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 417 diff changeset	125 // single revision can't be greater than 2^32, shall be safe to cast to int
6c22bdc0bdfd Respect long offsets in revlogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 417 diff changeset	126 return Internals.ltoi(f.length());
401 a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 396 diff changeset	127 }
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 396 diff changeset	128 Nodeid fileRev = getWorkingCopyRevision();
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 396 diff changeset	129 if (fileRev == null) {
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 396 diff changeset	130 throw new HgInvalidRevisionException(String.format("File %s is not part of working copy", getPath()), null, fileRevisionIndex);
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 396 diff changeset	131 }
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 396 diff changeset	132 fileRevisionIndex = getRevisionIndex(fileRev);
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 396 diff changeset	133 }
367 2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 366 diff changeset	134 if (metadata == null \|\| !metadata.checked(fileRevisionIndex)) {
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 366 diff changeset	135 checkAndRecordMetadata(fileRevisionIndex);
275 6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 245 diff changeset	136 }
367 2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 366 diff changeset	137 final int dataLen = content.dataLength(fileRevisionIndex);
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 366 diff changeset	138 if (metadata.known(fileRevisionIndex)) {
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 366 diff changeset	139 return dataLen - metadata.dataOffset(fileRevisionIndex);
275 6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 245 diff changeset	140 }
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 245 diff changeset	141 return dataLen;
22 603806cd2dc6 Status of local working dir against non-tip base revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 21 diff changeset	142 }
416 d30083c80d52 Better names - non-confusing and aligned with the rest of API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 415 diff changeset	143
d30083c80d52 Better names - non-confusing and aligned with the rest of API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 415 diff changeset	144 /**
237 6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 233 diff changeset	145 * Reads content of the file from working directory. If file present in the working directory, its actual content without
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 233 diff changeset	146 * any filters is supplied through the sink. If file does not exist in the working dir, this method provides content of a file
401 a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 396 diff changeset	147 * as if it would be refreshed in the working copy, i.e. its corresponding revision (according to dirstate) is read from the
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 396 diff changeset	148 * repository, and filters repo -> working copy get applied.
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 396 diff changeset	149 *
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 396 diff changeset	150 * NOTE, if file is missing from the working directory and is not part of the dirstate (but otherwise legal repository file,
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 396 diff changeset	151 * e.g. from another branch), no content would be supplied.
237 6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 233 diff changeset	152 *
396 0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 388 diff changeset	153 * @param sink content consumer
380 9517df1ef7ec Comments/javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	154 * @throws CancelledException if execution of the operation was cancelled
425 48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	155 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
237 6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 233 diff changeset	156 */
425 48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	157 public void workingCopy(ByteChannel sink) throws CancelledException, HgRuntimeException {
237 6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 233 diff changeset	158 File f = getRepo().getFile(this);
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 233 diff changeset	159 if (f.exists()) {
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 233 diff changeset	160 final CancelSupport cs = CancelSupport.Factory.get(sink);
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 233 diff changeset	161 final ProgressSupport progress = ProgressSupport.Factory.get(sink);
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 233 diff changeset	162 final long flength = f.length();
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 233 diff changeset	163 final int bsize = (int) Math.min(flength, 32*1024);
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 233 diff changeset	164 progress.start((int) (flength > Integer.MAX_VALUE ? flength >>> 15 /32 kb buf size/ : flength));
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 233 diff changeset	165 ByteBuffer buf = ByteBuffer.allocate(bsize);
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 233 diff changeset	166 FileChannel fc = null;
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 233 diff changeset	167 try {
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 233 diff changeset	168 fc = new FileInputStream(f).getChannel();
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 233 diff changeset	169 while (fc.read(buf) != -1) {
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 233 diff changeset	170 cs.checkCancelled();
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 233 diff changeset	171 buf.flip();
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 233 diff changeset	172 int consumed = sink.write(buf);
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 233 diff changeset	173 progress.worked(flength > Integer.MAX_VALUE ? 1 : consumed);
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 233 diff changeset	174 buf.compact();
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 233 diff changeset	175 }
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 233 diff changeset	176 } catch (IOException ex) {
396 0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 388 diff changeset	177 throw new HgInvalidFileException("Working copy read failed", ex, f);
237 6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 233 diff changeset	178 } finally {
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 233 diff changeset	179 progress.done();
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 233 diff changeset	180 if (fc != null) {
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 233 diff changeset	181 try {
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 233 diff changeset	182 fc.close();
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 233 diff changeset	183 } catch (IOException ex) {
295 981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 277 diff changeset	184 getRepo().getContext().getLog().info(getClass(), ex, null);
237 6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 233 diff changeset	185 }
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 233 diff changeset	186 }
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 233 diff changeset	187 }
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 233 diff changeset	188 } else {
401 a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 396 diff changeset	189 Nodeid fileRev = getWorkingCopyRevision();
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 396 diff changeset	190 if (fileRev == null) {
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 396 diff changeset	191 // no content for this data file in the working copy - it is not part of the actual working state.
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 396 diff changeset	192 // XXX perhaps, shall report this to caller somehow, not silently pass no data?
388 b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 383 diff changeset	193 return;
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 383 diff changeset	194 }
401 a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 396 diff changeset	195 final int fileRevIndex = getRevisionIndex(fileRev);
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 396 diff changeset	196 contentWithFilters(fileRevIndex, sink);
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 396 diff changeset	197 }
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 396 diff changeset	198 }
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 396 diff changeset	199
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 396 diff changeset	200 /**
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 396 diff changeset	201 * @return file revision as recorded in repository manifest for dirstate parent, or <code>null</code> if no file revision can be found
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 396 diff changeset	202 */
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 396 diff changeset	203 private Nodeid getWorkingCopyRevision() throws HgInvalidControlFileException {
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 396 diff changeset	204 final Pair<Nodeid, Nodeid> wcParents = getRepo().getWorkingCopyParents();
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 396 diff changeset	205 Nodeid p = wcParents.first().isNull() ? wcParents.second() : wcParents.first();
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 396 diff changeset	206 final HgChangelog clog = getRepo().getChangelog();
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 396 diff changeset	207 final int csetRevIndex;
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 396 diff changeset	208 if (p.isNull()) {
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 396 diff changeset	209 // no dirstate parents
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 396 diff changeset	210 getRepo().getContext().getLog().info(getClass(), "No dirstate parents, resort to TIP", getPath());
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 396 diff changeset	211 // if it's a repository with no dirstate, use TIP then
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 396 diff changeset	212 csetRevIndex = clog.getLastRevision();
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 396 diff changeset	213 if (csetRevIndex == -1) {
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 396 diff changeset	214 // shall not happen provided there's .i for this data file (hence at least one cset)
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 396 diff changeset	215 // and perhaps exception is better here. However, null as "can't find" indication seems reasonable.
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 396 diff changeset	216 return null;
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 396 diff changeset	217 }
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 396 diff changeset	218 } else {
388 b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 383 diff changeset	219 // common case to avoid searching complete changelog for nodeid match
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 383 diff changeset	220 final Nodeid tipRev = clog.getRevision(TIP);
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 383 diff changeset	221 if (tipRev.equals(p)) {
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 383 diff changeset	222 csetRevIndex = clog.getLastRevision();
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 383 diff changeset	223 } else {
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 383 diff changeset	224 // bad luck, need to search honestly
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 383 diff changeset	225 csetRevIndex = getRepo().getChangelog().getRevisionIndex(p);
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 383 diff changeset	226 }
237 6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 233 diff changeset	227 }
401 a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 396 diff changeset	228 Nodeid fileRev = getRepo().getManifest().getFileRevision(csetRevIndex, getPath());
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 396 diff changeset	229 // it's possible for a file to be in working dir and have store/.i but to belong e.g. to a different
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 396 diff changeset	230 // branch than the one from dirstate. Thus it's possible to get null fileRev
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 396 diff changeset	231 // which would serve as an indication this data file is not part of working copy
a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 396 diff changeset	232 return fileRev;
2 08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	233 }
115 c0cc2535462c Introduced channels to pipeline (and easily filter) data streams Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 102 diff changeset	234
396 0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 388 diff changeset	235 /**
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 388 diff changeset	236 * Access content of a file revision
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 388 diff changeset	237 * XXX not sure distinct method contentWithFilters() is the best way to do, perhaps, callers shall add filters themselves?
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 388 diff changeset	238 *
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 388 diff changeset	239 * @param fileRevisionIndex - revision local index, non-negative. From predefined constants, {@link HgRepository#TIP} and {@link HgRepository#WORKING_COPY} make sense.
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 388 diff changeset	240 * @param sink content consumer
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 388 diff changeset	241 *
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 388 diff changeset	242 * @throws CancelledException if execution of the operation was cancelled
425 48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	243 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
396 0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 388 diff changeset	244 */
425 48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	245 public void contentWithFilters(int fileRevisionIndex, ByteChannel sink) throws CancelledException, HgRuntimeException {
396 0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 388 diff changeset	246 if (fileRevisionIndex == WORKING_COPY) {
237 6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 233 diff changeset	247 workingCopy(sink); // pass un-mangled sink
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 233 diff changeset	248 } else {
396 0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 388 diff changeset	249 content(fileRevisionIndex, new FilterByteChannel(sink, getRepo().getFiltersFromRepoToWorkingDir(getPath())));
237 6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 233 diff changeset	250 }
115 c0cc2535462c Introduced channels to pipeline (and easily filter) data streams Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 102 diff changeset	251 }
22 603806cd2dc6 Status of local working dir against non-tip base revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 21 diff changeset	252
367 2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 366 diff changeset	253 /**
396 0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 388 diff changeset	254 * Retrieve content of specific revision. Content is provided as is, without any filters (e.g. keywords, eol, etc.) applied.
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 388 diff changeset	255 * For filtered content, use {@link #contentWithFilters(int, ByteChannel)}.
367 2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 366 diff changeset	256 *
368 8107b95f4280 Update Javadoc with 'revision index' Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 367 diff changeset	257 * @param fileRevisionIndex - revision local index, non-negative. From predefined constants, {@link HgRepository#TIP} and {@link HgRepository#WORKING_COPY} make sense.
396 0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 388 diff changeset	258 * @param sink content consumer
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 388 diff changeset	259 *
380 9517df1ef7ec Comments/javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 368 diff changeset	260 * @throws CancelledException if execution of the operation was cancelled
425 48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	261 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
367 2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 366 diff changeset	262 */
425 48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	263 public void content(int fileRevisionIndex, ByteChannel sink) throws CancelledException, HgRuntimeException {
367 2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 366 diff changeset	264 // for data files need to check heading of the file content for possible metadata
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 366 diff changeset	265 // @see http://mercurial.selenic.com/wiki/FileFormats#data.2BAC8-
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 366 diff changeset	266 if (fileRevisionIndex == TIP) {
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 366 diff changeset	267 fileRevisionIndex = getLastRevision();
78 c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	268 }
367 2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 366 diff changeset	269 if (fileRevisionIndex == WORKING_COPY) {
237 6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 233 diff changeset	270 // sink is supposed to come into workingCopy without filters
6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 233 diff changeset	271 // thus we shall not get here (into #content) from #contentWithFilters(WC)
157 d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	272 workingCopy(sink);
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	273 return;
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	274 }
367 2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 366 diff changeset	275 if (wrongRevisionIndex(fileRevisionIndex) \|\| fileRevisionIndex == BAD_REVISION) {
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 366 diff changeset	276 throw new HgInvalidRevisionException(fileRevisionIndex);
148 1a7a9a20e1f9 Exceptions, javadoc. Initial cancel and progress support Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 135 diff changeset	277 }
157 d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	278 if (sink == null) {
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	279 throw new IllegalArgumentException();
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	280 }
134 afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 133 diff changeset	281 if (metadata == null) {
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 133 diff changeset	282 metadata = new Metadata();
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 133 diff changeset	283 }
277 74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	284 ErrorHandlingInspector insp;
388 b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 383 diff changeset	285 final LogFacility lf = getRepo().getContext().getLog();
367 2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 366 diff changeset	286 if (metadata.none(fileRevisionIndex)) {
388 b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 383 diff changeset	287 insp = new ContentPipe(sink, 0, lf);
367 2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 366 diff changeset	288 } else if (metadata.known(fileRevisionIndex)) {
388 b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 383 diff changeset	289 insp = new ContentPipe(sink, metadata.dataOffset(fileRevisionIndex), lf);
157 d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	290 } else {
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	291 // do not know if there's metadata
396 0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 388 diff changeset	292 insp = new MetadataInspector(metadata, lf, new ContentPipe(sink, 0, lf));
78 c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	293 }
157 d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	294 insp.checkCancelled();
367 2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 366 diff changeset	295 super.content.iterate(fileRevisionIndex, fileRevisionIndex, true, insp);
157 d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	296 try {
425 48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	297 insp.checkFailed();
396 0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 388 diff changeset	298 } catch (HgInvalidControlFileException ex) {
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 388 diff changeset	299 ex = ex.setFileName(getPath());
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 388 diff changeset	300 throw ex.isRevisionIndexSet() ? ex : ex.setRevisionIndex(fileRevisionIndex);
237 6e1373b54e9b Allow access to working copy content through HgDataFile. Give access to repository's working dir Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 233 diff changeset	301 } catch (IOException ex) {
396 0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 388 diff changeset	302 HgInvalidControlFileException e = new HgInvalidControlFileException("Revision content access failed", ex, null);
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 388 diff changeset	303 throw content.initWithIndexFile(e).setFileName(getPath()).setRevisionIndex(fileRevisionIndex);
78 c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	304 }
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	305 }
425 48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	306
48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	307 /**
48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	308 * Walk complete change history of the file.
48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	309 * @param inspector callback to visit changesets
48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	310 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	311 */
48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	312 public void history(HgChangelog.Inspector inspector) throws HgRuntimeException {
135 3959bffb14e9 explicit op name instead math op to get last rev number Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 134 diff changeset	313 history(0, getLastRevision(), inspector);
48 e34f90b9ded1 Limit option for history/log Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 37 diff changeset	314 }
e34f90b9ded1 Limit option for history/log Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 37 diff changeset	315
417 ccd7d25e5aea New and better name for HgFileInformer - HgChangesetFileSneaker. Explain (comments) ties between HgManifest, HgDataFile, HgChangesetFileSneaker and reasons for method placement Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 416 diff changeset	316 /**
425 48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	317 * Walk subset of the file's change history.
48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	318 * @param start revision local index, inclusive; non-negative or {@link HgRepository#TIP}
48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	319 * @param end revision local index, inclusive; non-negative or {@link HgRepository#TIP}
48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	320 * @param inspector callback to visit changesets
48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	321 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
417 ccd7d25e5aea New and better name for HgFileInformer - HgChangesetFileSneaker. Explain (comments) ties between HgManifest, HgDataFile, HgChangesetFileSneaker and reasons for method placement Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 416 diff changeset	322 */
425 48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	323 public void history(int start, int end, HgChangelog.Inspector inspector) throws HgRuntimeException {
3 24bb4f365164 Rudimentary log functionality with basic infrastructure is in place Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 2 diff changeset	324 if (!exists()) {
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 2 diff changeset	325 throw new IllegalStateException("Can't get history of invalid repository file node");
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 2 diff changeset	326 }
135 3959bffb14e9 explicit op name instead math op to get last rev number Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 134 diff changeset	327 final int last = getLastRevision();
77 c677e1593919 Moved RevlogStream implementation into .internal Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 74 diff changeset	328 if (end == TIP) {
c677e1593919 Moved RevlogStream implementation into .internal Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 74 diff changeset	329 end = last;
c677e1593919 Moved RevlogStream implementation into .internal Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 74 diff changeset	330 }
300 650b45d290b1 Share range check code Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 295 diff changeset	331 if (start == TIP) {
650b45d290b1 Share range check code Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 295 diff changeset	332 start = last;
650b45d290b1 Share range check code Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 295 diff changeset	333 }
650b45d290b1 Share range check code Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 295 diff changeset	334 HgInternals.checkRevlogRange(start, end, last);
650b45d290b1 Share range check code Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 295 diff changeset	335
48 e34f90b9ded1 Limit option for history/log Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 37 diff changeset	336 final int[] commitRevisions = new int[end - start + 1];
242 ad6a046943be Improved reading of sparse revisions from a revlog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 240 diff changeset	337 final boolean[] needsSorting = { false };
77 c677e1593919 Moved RevlogStream implementation into .internal Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 74 diff changeset	338 RevlogStream.Inspector insp = new RevlogStream.Inspector() {
3 24bb4f365164 Rudimentary log functionality with basic infrastructure is in place Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 2 diff changeset	339 int count = 0;
51 9429c7bd1920 Try DataAccess to reach revision data instead of plain byte arrays Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	340 public void next(int revisionNumber, int actualLen, int baseRevision, int linkRevision, int parent1Revision, int parent2Revision, byte[] nodeid, DataAccess data) {
242 ad6a046943be Improved reading of sparse revisions from a revlog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 240 diff changeset	341 if (count > 0) {
ad6a046943be Improved reading of sparse revisions from a revlog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 240 diff changeset	342 if (commitRevisions[count -1] > linkRevision) {
ad6a046943be Improved reading of sparse revisions from a revlog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 240 diff changeset	343 needsSorting[0] = true;
ad6a046943be Improved reading of sparse revisions from a revlog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 240 diff changeset	344 }
ad6a046943be Improved reading of sparse revisions from a revlog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 240 diff changeset	345 }
3 24bb4f365164 Rudimentary log functionality with basic infrastructure is in place Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 2 diff changeset	346 commitRevisions[count++] = linkRevision;
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 2 diff changeset	347 }
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 2 diff changeset	348 };
48 e34f90b9ded1 Limit option for history/log Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 37 diff changeset	349 content.iterate(start, end, false, insp);
233 1d389c0cb0a5 Optimize file history walk not to iterat over whole changelog for sparse and distant revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 215 diff changeset	350 final HgChangelog changelog = getRepo().getChangelog();
242 ad6a046943be Improved reading of sparse revisions from a revlog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 240 diff changeset	351 if (needsSorting[0]) {
ad6a046943be Improved reading of sparse revisions from a revlog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 240 diff changeset	352 // automatic tools (svnmerge?) produce unnatural file history
ad6a046943be Improved reading of sparse revisions from a revlog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 240 diff changeset	353 // (e.g. cpython/Lib/doctest.py, revision 164 points to cset 63509, 165 - to 38453)
ad6a046943be Improved reading of sparse revisions from a revlog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 240 diff changeset	354 Arrays.sort(commitRevisions);
233 1d389c0cb0a5 Optimize file history walk not to iterat over whole changelog for sparse and distant revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 215 diff changeset	355 }
245 2fb439375ddc Avoid sorting revision range twice Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 242 diff changeset	356 changelog.rangeInternal(inspector, commitRevisions);
3 24bb4f365164 Rudimentary log functionality with basic infrastructure is in place Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 2 diff changeset	357 }
88 61eedab3eb3e Status between two revisions to recognize copy/rename Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 79 diff changeset	358
354 5f9073eabf06 Propagate errors with exceptions up to a end client Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 347 diff changeset	359 /**
367 2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 366 diff changeset	360 * For a given revision of the file (identified with revision index), find out index of the corresponding changeset.
354 5f9073eabf06 Propagate errors with exceptions up to a end client Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 347 diff changeset	361 *
5f9073eabf06 Propagate errors with exceptions up to a end client Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 347 diff changeset	362 * @return changeset revision index
425 48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	363 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
354 5f9073eabf06 Propagate errors with exceptions up to a end client Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 347 diff changeset	364 */
425 48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	365 public int getChangesetRevisionIndex(int revision) throws HgRuntimeException {
367 2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 366 diff changeset	366 return content.linkRevision(revision);
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 366 diff changeset	367 }
88 61eedab3eb3e Status between two revisions to recognize copy/rename Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 79 diff changeset	368
354 5f9073eabf06 Propagate errors with exceptions up to a end client Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 347 diff changeset	369 /**
367 2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 366 diff changeset	370 * Complements {@link #getChangesetRevisionIndex(int)} to get changeset revision that corresponds to supplied file revision
354 5f9073eabf06 Propagate errors with exceptions up to a end client Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 347 diff changeset	371 *
5f9073eabf06 Propagate errors with exceptions up to a end client Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 347 diff changeset	372 * @param nid revision of the file
5f9073eabf06 Propagate errors with exceptions up to a end client Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 347 diff changeset	373 * @return changeset revision
425 48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	374 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
354 5f9073eabf06 Propagate errors with exceptions up to a end client Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 347 diff changeset	375 */
425 48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	376 public Nodeid getChangesetRevision(Nodeid nid) throws HgRuntimeException {
367 2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 366 diff changeset	377 int changelogRevision = getChangesetRevisionIndex(getRevisionIndex(nid));
88 61eedab3eb3e Status between two revisions to recognize copy/rename Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 79 diff changeset	378 return getRepo().getChangelog().getRevision(changelogRevision);
61eedab3eb3e Status between two revisions to recognize copy/rename Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 79 diff changeset	379 }
78 c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	380
354 5f9073eabf06 Propagate errors with exceptions up to a end client Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 347 diff changeset	381 /**
396 0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 388 diff changeset	382 * Tells whether this file originates from another repository file
0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 388 diff changeset	383 * @return <code>true</code> if this file is a copy of another from the repository
425 48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	384 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
354 5f9073eabf06 Propagate errors with exceptions up to a end client Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 347 diff changeset	385 */
425 48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	386 public boolean isCopy() throws HgRuntimeException {
134 afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 133 diff changeset	387 if (metadata == null \|\| !metadata.checked(0)) {
275 6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 245 diff changeset	388 checkAndRecordMetadata(0);
78 c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	389 }
134 afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 133 diff changeset	390 if (!metadata.known(0)) {
78 c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	391 return false;
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	392 }
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	393 return metadata.find(0, "copy") != null;
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	394 }
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	395
354 5f9073eabf06 Propagate errors with exceptions up to a end client Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 347 diff changeset	396 /**
5f9073eabf06 Propagate errors with exceptions up to a end client Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 347 diff changeset	397 * Get name of the file this one was copied from.
5f9073eabf06 Propagate errors with exceptions up to a end client Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 347 diff changeset	398 *
5f9073eabf06 Propagate errors with exceptions up to a end client Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 347 diff changeset	399 * @return name of the file origin
425 48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	400 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
354 5f9073eabf06 Propagate errors with exceptions up to a end client Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 347 diff changeset	401 */
425 48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	402 public Path getCopySourceName() throws HgRuntimeException {
78 c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	403 if (isCopy()) {
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	404 return Path.create(metadata.find(0, "copy"));
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	405 }
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	406 throw new UnsupportedOperationException(); // XXX REVISIT, think over if Exception is good (clients would check isCopy() anyway, perhaps null is sufficient?)
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	407 }
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	408
415 ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 401 diff changeset	409 /**
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 401 diff changeset	410 *
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 401 diff changeset	411 * @return revision this file was copied from
425 48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	412 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
415 ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 401 diff changeset	413 */
425 48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	414 public Nodeid getCopySourceRevision() throws HgRuntimeException {
78 c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	415 if (isCopy()) {
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	416 return Nodeid.fromAscii(metadata.find(0, "copyrev")); // XXX reuse/cache Nodeid
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	417 }
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	418 throw new UnsupportedOperationException();
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	419 }
417 ccd7d25e5aea New and better name for HgFileInformer - HgChangesetFileSneaker. Explain (comments) ties between HgManifest, HgDataFile, HgChangesetFileSneaker and reasons for method placement Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 416 diff changeset	420
415 ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 401 diff changeset	421 /**
417 ccd7d25e5aea New and better name for HgFileInformer - HgChangesetFileSneaker. Explain (comments) ties between HgManifest, HgDataFile, HgChangesetFileSneaker and reasons for method placement Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 416 diff changeset	422 * Get file flags recorded in the manifest
416 d30083c80d52 Better names - non-confusing and aligned with the rest of API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 415 diff changeset	423 * @param fileRevisionIndex - revision local index, non-negative, or {@link HgRepository#TIP}.
417 ccd7d25e5aea New and better name for HgFileInformer - HgChangesetFileSneaker. Explain (comments) ties between HgManifest, HgDataFile, HgChangesetFileSneaker and reasons for method placement Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 416 diff changeset	424 * @see HgManifest#getFileFlags(int, Path)
425 48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	425 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
415 ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 401 diff changeset	426 */
425 48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	427 public HgManifest.Flags getFlags(int fileRevisionIndex) throws HgRuntimeException {
415 ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 401 diff changeset	428 int changesetRevIndex = getChangesetRevisionIndex(fileRevisionIndex);
417 ccd7d25e5aea New and better name for HgFileInformer - HgChangesetFileSneaker. Explain (comments) ties between HgManifest, HgDataFile, HgChangesetFileSneaker and reasons for method placement Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 416 diff changeset	429 return getRepo().getManifest().getFileFlags(changesetRevIndex, getPath());
415 ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 401 diff changeset	430 }
416 d30083c80d52 Better names - non-confusing and aligned with the rest of API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 415 diff changeset	431
88 61eedab3eb3e Status between two revisions to recognize copy/rename Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 79 diff changeset	432 @Override
61eedab3eb3e Status between two revisions to recognize copy/rename Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 79 diff changeset	433 public String toString() {
61eedab3eb3e Status between two revisions to recognize copy/rename Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 79 diff changeset	434 StringBuilder sb = new StringBuilder(getClass().getSimpleName());
61eedab3eb3e Status between two revisions to recognize copy/rename Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 79 diff changeset	435 sb.append('(');
61eedab3eb3e Status between two revisions to recognize copy/rename Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 79 diff changeset	436 sb.append(getPath());
61eedab3eb3e Status between two revisions to recognize copy/rename Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 79 diff changeset	437 sb.append(')');
61eedab3eb3e Status between two revisions to recognize copy/rename Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 79 diff changeset	438 return sb.toString();
61eedab3eb3e Status between two revisions to recognize copy/rename Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 79 diff changeset	439 }
275 6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 245 diff changeset	440
396 0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 388 diff changeset	441 private void checkAndRecordMetadata(int localRev) throws HgInvalidControlFileException {
275 6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 245 diff changeset	442 // content() always initializes metadata.
401 a57a21aa4190 Support WORKING_COPY constant for dataFile.length() operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 396 diff changeset	443 // TODO [post-1.0] this is expensive way to find out metadata, distinct RevlogStream.Iterator would be better.
275 6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 245 diff changeset	444 // Alternatively, may parameterize MetadataContentPipe to do prepare only.
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 245 diff changeset	445 // For reference, when throwing CancelledException, hg status -A --rev 3:80 takes 70 ms
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 245 diff changeset	446 // however, if we just consume buffer instead (buffer.position(buffer.limit()), same command takes ~320ms
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 245 diff changeset	447 // (compared to command-line counterpart of 190ms)
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 245 diff changeset	448 try {
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 245 diff changeset	449 content(localRev, new ByteChannel() { // No-op channel
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 245 diff changeset	450 public int write(ByteBuffer buffer) throws IOException, CancelledException {
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 245 diff changeset	451 throw new CancelledException();
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 245 diff changeset	452 }
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 245 diff changeset	453 });
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 245 diff changeset	454 } catch (CancelledException ex) {
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 245 diff changeset	455 // it's ok, we did that
366 189dc6dc1c3e Use exceptions to expose errors reading mercurial data Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 355 diff changeset	456 } catch (HgInvalidControlFileException ex) {
396 0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 388 diff changeset	457 throw ex.isRevisionIndexSet() ? ex : ex.setRevisionIndex(localRev);
275 6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 245 diff changeset	458 }
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 245 diff changeset	459 }
78 c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	460
88 61eedab3eb3e Status between two revisions to recognize copy/rename Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 79 diff changeset	461 private static final class MetadataEntry {
78 c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	462 private final String entry;
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	463 private final int valueStart;
388 b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 383 diff changeset	464
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 383 diff changeset	465 // key may be null
78 c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	466 /package-local/MetadataEntry(String key, String value) {
388 b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 383 diff changeset	467 if (key == null) {
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 383 diff changeset	468 entry = value;
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 383 diff changeset	469 valueStart = -1; // not 0 to tell between key == null and key == ""
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 383 diff changeset	470 } else {
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 383 diff changeset	471 entry = key + value;
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 383 diff changeset	472 valueStart = key.length();
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 383 diff changeset	473 }
78 c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	474 }
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	475 /package-local/boolean matchKey(String key) {
388 b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 383 diff changeset	476 return key == null ? valueStart == -1 : key.length() == valueStart && entry.startsWith(key);
78 c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	477 }
134 afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 133 diff changeset	478 // uncomment once/if needed
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 133 diff changeset	479 // public String key() {
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 133 diff changeset	480 // return entry.substring(0, valueStart);
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 133 diff changeset	481 // }
78 c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	482 public String value() {
388 b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 383 diff changeset	483 return valueStart == -1 ? entry : entry.substring(valueStart);
78 c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	484 }
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	485 }
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	486
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	487 private static class Metadata {
276 6355ecda1f08 Tailored Map implementation with int keys Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 275 diff changeset	488 private static class Record {
6355ecda1f08 Tailored Map implementation with int keys Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 275 diff changeset	489 public final int offset;
6355ecda1f08 Tailored Map implementation with int keys Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 275 diff changeset	490 public final MetadataEntry[] entries;
6355ecda1f08 Tailored Map implementation with int keys Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 275 diff changeset	491
6355ecda1f08 Tailored Map implementation with int keys Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 275 diff changeset	492 public Record(int off, MetadataEntry[] entr) {
6355ecda1f08 Tailored Map implementation with int keys Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 275 diff changeset	493 offset = off;
6355ecda1f08 Tailored Map implementation with int keys Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 275 diff changeset	494 entries = entr;
6355ecda1f08 Tailored Map implementation with int keys Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 275 diff changeset	495 }
6355ecda1f08 Tailored Map implementation with int keys Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 275 diff changeset	496 }
78 c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	497 // XXX sparse array needed
276 6355ecda1f08 Tailored Map implementation with int keys Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 275 diff changeset	498 private final IntMap<Record> entries = new IntMap<Record>(5);
134 afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 133 diff changeset	499
276 6355ecda1f08 Tailored Map implementation with int keys Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 275 diff changeset	500 private final Record NONE = new Record(-1, null); // don't want statics
134 afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 133 diff changeset	501
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 133 diff changeset	502 // true when there's metadata for given revision
78 c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	503 boolean known(int revision) {
276 6355ecda1f08 Tailored Map implementation with int keys Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 275 diff changeset	504 Record i = entries.get(revision);
134 afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 133 diff changeset	505 return i != null && NONE != i;
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 133 diff changeset	506 }
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 133 diff changeset	507
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 133 diff changeset	508 // true when revision has been checked for metadata presence.
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 133 diff changeset	509 public boolean checked(int revision) {
276 6355ecda1f08 Tailored Map implementation with int keys Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 275 diff changeset	510 return entries.containsKey(revision);
78 c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	511 }
134 afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 133 diff changeset	512
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 133 diff changeset	513 // true when revision has been checked and found not having any metadata
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 133 diff changeset	514 boolean none(int revision) {
276 6355ecda1f08 Tailored Map implementation with int keys Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 275 diff changeset	515 Record i = entries.get(revision);
134 afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 133 diff changeset	516 return i == NONE;
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 133 diff changeset	517 }
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 133 diff changeset	518
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 133 diff changeset	519 // mark revision as having no metadata.
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 133 diff changeset	520 void recordNone(int revision) {
276 6355ecda1f08 Tailored Map implementation with int keys Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 275 diff changeset	521 Record i = entries.get(revision);
134 afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 133 diff changeset	522 if (i == NONE) {
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 133 diff changeset	523 return; // already there
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 133 diff changeset	524 }
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 133 diff changeset	525 if (i != null) {
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 133 diff changeset	526 throw new IllegalStateException(String.format("Trying to override Metadata state for revision %d (known offset: %d)", revision, i));
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 133 diff changeset	527 }
276 6355ecda1f08 Tailored Map implementation with int keys Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 275 diff changeset	528 entries.put(revision, NONE);
134 afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 133 diff changeset	529 }
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 133 diff changeset	530
78 c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	531 // since this is internal class, callers are supposed to ensure arg correctness (i.e. ask known() before)
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	532 int dataOffset(int revision) {
276 6355ecda1f08 Tailored Map implementation with int keys Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 275 diff changeset	533 return entries.get(revision).offset;
78 c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	534 }
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	535 void add(int revision, int dataOffset, Collection<MetadataEntry> e) {
276 6355ecda1f08 Tailored Map implementation with int keys Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 275 diff changeset	536 assert !entries.containsKey(revision);
6355ecda1f08 Tailored Map implementation with int keys Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 275 diff changeset	537 entries.put(revision, new Record(dataOffset, e.toArray(new MetadataEntry[e.size()])));
78 c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	538 }
276 6355ecda1f08 Tailored Map implementation with int keys Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 275 diff changeset	539
78 c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	540 String find(int revision, String key) {
276 6355ecda1f08 Tailored Map implementation with int keys Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 275 diff changeset	541 for (MetadataEntry me : entries.get(revision).entries) {
78 c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	542 if (me.matchKey(key)) {
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	543 return me.value();
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	544 }
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	545 }
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	546 return null;
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	547 }
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	548 }
157 d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	549
277 74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	550 private static class MetadataInspector extends ErrorHandlingInspector implements RevlogStream.Inspector {
157 d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	551 private final Metadata metadata;
277 74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	552 private final RevlogStream.Inspector delegate;
388 b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 383 diff changeset	553 private final LogFacility log;
157 d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	554
396 0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 388 diff changeset	555 public MetadataInspector(Metadata _metadata, LogFacility logFacility, RevlogStream.Inspector chain) {
157 d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	556 metadata = _metadata;
388 b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 383 diff changeset	557 log = logFacility;
277 74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	558 delegate = chain;
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	559 setCancelSupport(CancelSupport.Factory.get(chain));
157 d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	560 }
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	561
423 9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 420 diff changeset	562 public void next(int revisionNumber, int actualLen, int baseRevision, int linkRevision, int parent1Revision, int parent2Revision, byte[] nodeid, DataAccess data) {
277 74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	563 try {
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	564 final int daLength = data.length();
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	565 if (daLength < 4 \|\| data.readByte() != 1 \|\| data.readByte() != 10) {
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	566 metadata.recordNone(revisionNumber);
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	567 data.reset();
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	568 } else {
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	569 ArrayList<MetadataEntry> _metadata = new ArrayList<MetadataEntry>();
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	570 int offset = parseMetadata(data, daLength, _metadata);
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	571 metadata.add(revisionNumber, offset, _metadata);
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	572 // da is in prepared state (i.e. we consumed all bytes up to metadata end).
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	573 // However, it's not safe to assume delegate won't call da.reset() for some reason,
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	574 // and we need to ensure predictable result.
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	575 data.reset();
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	576 data = new FilterDataAccess(data, offset, daLength - offset);
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	577 }
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	578 if (delegate != null) {
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	579 delegate.next(revisionNumber, actualLen, baseRevision, linkRevision, parent1Revision, parent2Revision, nodeid, data);
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	580 }
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	581 } catch (IOException ex) {
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	582 recordFailure(ex);
396 0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 388 diff changeset	583 } catch (HgInvalidControlFileException ex) {
423 9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 420 diff changeset	584 // TODO RevlogStream, where this RevlogStream.Inspector goes, shall set File (as it's the only one having access to it)
396 0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 388 diff changeset	585 recordFailure(ex.isRevisionIndexSet() ? ex : ex.setRevisionIndex(revisionNumber));
157 d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	586 }
277 74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	587 }
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	588
396 0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 388 diff changeset	589 private int parseMetadata(DataAccess data, final int daLength, ArrayList<MetadataEntry> _metadata) throws IOException, HgInvalidControlFileException {
157 d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	590 int lastEntryStart = 2;
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	591 int lastColon = -1;
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	592 // XXX in fact, need smth like ByteArrayBuilder, similar to StringBuilder,
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	593 // which can't be used here because we can't convert bytes to chars as we read them
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	594 // (there might be multi-byte encoding), and we need to collect all bytes before converting to string
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	595 ByteArrayOutputStream bos = new ByteArrayOutputStream();
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	596 String key = null, value = null;
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	597 boolean byteOne = false;
323 4c7e3ba67213 Exception when analyzing metadata of an empty renamed file Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 322 diff changeset	598 boolean metadataIsComplete = false;
157 d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	599 for (int i = 2; i < daLength; i++) {
277 74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	600 byte b = data.readByte();
157 d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	601 if (b == '\n') {
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	602 if (byteOne) { // i.e. \n follows 1
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	603 lastEntryStart = i+1;
323 4c7e3ba67213 Exception when analyzing metadata of an empty renamed file Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 322 diff changeset	604 metadataIsComplete = true;
157 d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	605 // XXX is it possible to have here incomplete key/value (i.e. if last pair didn't end with \n)
323 4c7e3ba67213 Exception when analyzing metadata of an empty renamed file Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 322 diff changeset	606 // if yes, need to set metadataIsComplete to true in that case as well
157 d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	607 break;
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	608 }
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	609 if (key == null \|\| lastColon == -1 \|\| i <= lastColon) {
388 b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 383 diff changeset	610 log.error(getClass(), "Missing key in file revision metadata at index %d", i);
157 d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	611 }
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	612 value = new String(bos.toByteArray()).trim();
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	613 bos.reset();
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	614 _metadata.add(new MetadataEntry(key, value));
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	615 key = value = null;
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	616 lastColon = -1;
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	617 lastEntryStart = i+1;
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	618 continue;
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	619 }
277 74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	620 // byteOne has to be consumed up to this line, if not yet, consume it
157 d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	621 if (byteOne) {
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	622 // insert 1 we've read on previous step into the byte builder
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	623 bos.write(1);
277 74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	624 byteOne = false;
157 d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	625 // fall-through to consume current byte
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	626 }
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	627 if (b == (int) ':') {
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	628 assert value == null;
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	629 key = new String(bos.toByteArray());
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	630 bos.reset();
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	631 lastColon = i;
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	632 } else if (b == 1) {
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	633 byteOne = true;
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	634 } else {
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	635 bos.write(b);
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	636 }
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	637 }
323 4c7e3ba67213 Exception when analyzing metadata of an empty renamed file Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 322 diff changeset	638 // data.isEmpty is not reliable, renamed files of size==0 keep only metadata
4c7e3ba67213 Exception when analyzing metadata of an empty renamed file Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 322 diff changeset	639 if (!metadataIsComplete) {
4c7e3ba67213 Exception when analyzing metadata of an empty renamed file Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 322 diff changeset	640 // XXX perhaps, worth a testcase (empty file, renamed, read or ask ifCopy
396 0ae53c32ecef Straighten out exceptions thrown when file access failed - three is too much Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 388 diff changeset	641 throw new HgInvalidControlFileException("Metadata is not closed properly", null, null);
157 d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	642 }
277 74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	643 return lastEntryStart;
17 571e1b2cc3f7 Query file for its parents. Demo of recently added ignore and digest support from within cat cmd Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 5 diff changeset	644 }
322 d68dcb3b5f49 Propagate command's CancelSupport to low-level API. CancelSupport from context got priority over one from command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	645
d68dcb3b5f49 Propagate command's CancelSupport to low-level API. CancelSupport from context got priority over one from command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	646 @Override
425 48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	647 public void checkFailed() throws HgRuntimeException, IOException, CancelledException {
322 d68dcb3b5f49 Propagate command's CancelSupport to low-level API. CancelSupport from context got priority over one from command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	648 super.checkFailed();
d68dcb3b5f49 Propagate command's CancelSupport to low-level API. CancelSupport from context got priority over one from command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	649 if (delegate instanceof ErrorHandlingInspector) {
425 48f993aa2f41 FIXMEs: exceptions, javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 424 diff changeset	650 // TODO need to add ErrorDestination (ErrorTarget/Acceptor?) and pass it around (much like CancelSupport get passed)
322 d68dcb3b5f49 Propagate command's CancelSupport to low-level API. CancelSupport from context got priority over one from command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	651 // so that delegate would be able report its failures directly to caller without this hack
d68dcb3b5f49 Propagate command's CancelSupport to low-level API. CancelSupport from context got priority over one from command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	652 ((ErrorHandlingInspector) delegate).checkFailed();
d68dcb3b5f49 Propagate command's CancelSupport to low-level API. CancelSupport from context got priority over one from command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	653 }
d68dcb3b5f49 Propagate command's CancelSupport to low-level API. CancelSupport from context got priority over one from command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	654 }
17 571e1b2cc3f7 Query file for its parents. Demo of recently added ignore and digest support from within cat cmd Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 5 diff changeset	655 }
2 08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	656 }

Mercurial > jhg

annotate src/org/tmatesoft/hg/repo/HgDataFile.java @ 435:ab5a11a61732