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

annotate src/org/tmatesoft/hg/repo/HgDataFile.java @ 335:3d41dc148d14

Do not fail with exception on syntax errors in .hgignore

author	Artem Tikhomirov <tikhomirov.artem@gmail.com>
date	Thu, 10 Nov 2011 05:44:12 +0100
parents	a674b8590362
children	8da7ade36c57

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 /*
74 6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	2 * Copyright (c) 2010-2011 TMate Software Ltd
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
148 1a7a9a20e1f9 Exceptions, javadoc. Initial cancel and progress support Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 135 diff changeset	19 import static org.tmatesoft.hg.repo.HgInternals.wrongLocalRevision;
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;
305 ae8d116f4ee2 Experimental code to build file history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 300 diff changeset	31 import java.util.Collections;
ae8d116f4ee2 Experimental code to build file history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 300 diff changeset	32 import java.util.List;
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	33
148 1a7a9a20e1f9 Exceptions, javadoc. Initial cancel and progress support Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 135 diff changeset	34 import org.tmatesoft.hg.core.HgDataStreamException;
157 d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	35 import org.tmatesoft.hg.core.HgException;
328 a674b8590362 Move file tree history to upper API level Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 323 diff changeset	36 import org.tmatesoft.hg.core.HgLogCommand;
74 6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	37 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	38 import org.tmatesoft.hg.internal.DataAccess;
121 b1d6208fb517 Conditionally apply filters to file content Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 115 diff changeset	39 import org.tmatesoft.hg.internal.FilterByteChannel;
277 74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	40 import org.tmatesoft.hg.internal.FilterDataAccess;
276 6355ecda1f08 Tailored Map implementation with int keys Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 275 diff changeset	41 import org.tmatesoft.hg.internal.IntMap;
77 c677e1593919 Moved RevlogStream implementation into .internal Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 74 diff changeset	42 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	43 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	44 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	45 import org.tmatesoft.hg.util.CancelledException;
305 ae8d116f4ee2 Experimental code to build file history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 300 diff changeset	46 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	47 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	48 import org.tmatesoft.hg.util.ProgressSupport;
74 6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	49
5 fc265ddeab26 File content and non-effective, although working, patch application Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 3 diff changeset	50
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	51
2 08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	52 /**
08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	53 * ? name:HgFileNode?
74 6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	54 *
6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	55 * @author Artem Tikhomirov
6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	56 * @author TMate Software Ltd.
2 08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	57 */
08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	58 public class HgDataFile extends Revlog {
08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	59
3 24bb4f365164 Rudimentary log functionality with basic infrastructure is in place Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 2 diff changeset	60 // absolute from repo root?
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 2 diff changeset	61 // slashes, unix-style?
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 2 diff changeset	62 // 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	63 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	64 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	65
115 c0cc2535462c Introduced channels to pipeline (and easily filter) data streams Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 102 diff changeset	66 /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	67 super(hgRepo, content);
115 c0cc2535462c Introduced channels to pipeline (and easily filter) data streams Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 102 diff changeset	68 path = filePath;
3 24bb4f365164 Rudimentary log functionality with basic infrastructure is in place Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 2 diff changeset	69 }
115 c0cc2535462c Introduced channels to pipeline (and easily filter) data streams Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 102 diff changeset	70
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 102 diff changeset	71 /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	72 super(hgRepo);
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 102 diff changeset	73 path = filePath;
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 102 diff changeset	74 }
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 102 diff changeset	75
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 102 diff changeset	76 // exists is not the best name possible. now it means no file with such name was ever known to the repo.
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 102 diff changeset	77 // it might be confused with files existed before but lately removed.
3 24bb4f365164 Rudimentary log functionality with basic infrastructure is in place Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 2 diff changeset	78 public boolean exists() {
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 2 diff changeset	79 return content != null; // XXX need better impl
2 08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	80 }
08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	81
77 c677e1593919 Moved RevlogStream implementation into .internal Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 74 diff changeset	82 // human-readable (i.e. "COPYING", not "store/data/_c_o_p_y_i_n_g.i")
74 6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	83 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	84 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	85 }
08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	86
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	87 /**
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	88 * @return size of the file content at the given revision
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	89 */
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	90 public int length(Nodeid nodeid) throws HgDataStreamException {
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	91 return length(getLocalRevision(nodeid));
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	92
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 }
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	94
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	95 /**
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	96 * @return size of the file content at the revision identified by local revision number.
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	97 */
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 public int length(int localRev) throws HgDataStreamException {
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	99 if (metadata == null \|\| !metadata.checked(localRev)) {
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 checkAndRecordMetadata(localRev);
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	101 }
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	102 final int dataLen = content.dataLength(localRev);
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	103 if (metadata.known(localRev)) {
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	104 return dataLen - metadata.dataOffset(localRev);
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	105 }
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	106 return dataLen;
22 603806cd2dc6 Status of local working dir against non-tip base revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 21 diff changeset	107 }
603806cd2dc6 Status of local working dir against non-tip base revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 21 diff changeset	108
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	109 /**
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	110 * 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	111 * any filters is supplied through the sink. If file does not exist in the working dir, this method provides content of a 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	112 * as if it would be refreshed in the working copy, i.e. its corresponding revision
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	113 * (XXX according to dirstate? file tip?) is read from the repository, and filters repo -> working copy get applied.
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	114 *
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	115 * @param sink where to pipe content to
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	116 * @throws HgDataStreamException to indicate troubles reading repository 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	117 * @throws CancelledException if operation was cancelled
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	118 */
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	119 public void workingCopy(ByteChannel sink) throws HgDataStreamException, CancelledException {
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	120 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	121 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	122 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	123 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	124 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	125 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	126 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	127 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	128 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	129 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	130 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	131 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	132 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	133 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	134 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	135 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	136 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	137 }
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	138 } catch (IOException ex) {
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	139 throw new HgDataStreamException(getPath(), ex);
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	140 } 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	141 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	142 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	143 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	144 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	145 } 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	146 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	147 }
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	148 }
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	149 }
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	150 } else {
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	151 contentWithFilters(TIP, 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	152 }
2 08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	153 }
115 c0cc2535462c Introduced channels to pipeline (and easily filter) data streams Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 102 diff changeset	154
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	155 // public void content(int revision, ByteChannel sink, boolean applyFilters) throws HgDataStreamException, IOException, CancelledException {
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	156 // byte[] content = content(revision);
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	157 // final CancelSupport cancelSupport = CancelSupport.Factory.get(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	158 // final ProgressSupport progressSupport = ProgressSupport.Factory.get(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	159 // ByteBuffer buf = ByteBuffer.allocate(512);
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	160 // int left = content.length;
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	161 // progressSupport.start(left);
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	162 // int offset = 0;
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	163 // cancelSupport.checkCancelled();
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	164 // ByteChannel _sink = applyFilters ? new FilterByteChannel(sink, getRepo().getFiltersFromRepoToWorkingDir(getPath())) : 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	165 // do {
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	166 // buf.put(content, offset, Math.min(left, buf.remaining()));
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	167 // buf.flip();
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	168 // cancelSupport.checkCancelled();
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	169 // // XXX I may not rely on returned number of bytes but track change in buf position instead.
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	170 // int consumed = _sink.write(buf);
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	171 // buf.compact();
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	172 // offset += consumed;
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	173 // left -= consumed;
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	174 // progressSupport.worked(consumed);
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	175 // } while (left > 0);
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	176 // progressSupport.done(); // XXX shall specify whether #done() is invoked always or only if completed successfully.
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	177 // }
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	178
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	179 /XXX not sure distinct method contentWithFilters() is the best way to do, perhaps, callers shall add filters themselves?/
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	180 public void contentWithFilters(int revision, ByteChannel sink) throws HgDataStreamException, CancelledException {
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 if (revision == WORKING_COPY) {
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 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	183 } else {
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	184 content(revision, new FilterByteChannel(sink, getRepo().getFiltersFromRepoToWorkingDir(getPath())));
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 }
115 c0cc2535462c Introduced channels to pipeline (and easily filter) data streams Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 102 diff changeset	186 }
22 603806cd2dc6 Status of local working dir against non-tip base revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 21 diff changeset	187
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	188 // for data files need to check heading of the file content for possible metadata
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	189 // @see http://mercurial.selenic.com/wiki/FileFormats#data.2BAC8-
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	190 public void content(int revision, ByteChannel sink) throws HgDataStreamException, CancelledException {
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	191 if (revision == TIP) {
135 3959bffb14e9 explicit op name instead math op to get last rev number Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 134 diff changeset	192 revision = 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	193 }
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	194 if (revision == 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	195 // 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	196 // 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	197 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	198 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	199 }
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	200 if (wrongLocalRevision(revision) \|\| revision == BAD_REVISION) {
148 1a7a9a20e1f9 Exceptions, javadoc. Initial cancel and progress support Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 135 diff changeset	201 throw new IllegalArgumentException(String.valueOf(revision));
1a7a9a20e1f9 Exceptions, javadoc. Initial cancel and progress support Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 135 diff changeset	202 }
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	203 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	204 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	205 }
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	206 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	207 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	208 }
277 74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	209 ErrorHandlingInspector insp;
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	210 if (metadata.none(revision)) {
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	211 insp = new ContentPipe(sink, 0);
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	212 } else if (metadata.known(revision)) {
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	213 insp = new ContentPipe(sink, metadata.dataOffset(revision));
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	214 } 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	215 // do not know if there's metadata
277 74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	216 insp = new MetadataInspector(metadata, getPath(), new ContentPipe(sink, 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	217 }
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	218 insp.checkCancelled();
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	219 super.content.iterate(revision, revision, true, insp);
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	220 try {
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	221 insp.checkFailed(); // XXX is there real need to throw IOException from ContentPipe?
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	222 } catch (HgDataStreamException ex) {
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	223 throw ex;
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	224 } catch (IOException ex) {
323 4c7e3ba67213 Exception when analyzing metadata of an empty renamed file Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 322 diff changeset	225 throw new HgDataStreamException(getPath(), ex).setRevisionNumber(revision);
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	226 } catch (HgException ex) {
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	227 // shall not happen, unless we changed ContentPipe or its subclass
215 41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 163 diff changeset	228 throw new HgDataStreamException(getPath(), ex.getClass().getName(), ex);
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	229 }
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	230 }
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	231
317 09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	232 private static class HistoryNode {
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	233 int changeset;
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	234 Nodeid cset;
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	235 HistoryNode parent1, parent2;
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	236 List<HistoryNode> children;
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	237
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	238 HistoryNode(int cs, HistoryNode p1, HistoryNode p2) {
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	239 changeset = cs;
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	240 parent1 = p1;
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	241 parent2 = p2;
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	242 if (p1 != null) {
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	243 p1.addChild(this);
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	244 }
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	245 if (p2 != null) {
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	246 p2.addChild(this);
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	247 }
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	248 }
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	249
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	250 Nodeid changesetRevision() {
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	251 assert cset != null : "we initialize all csets prior to use";
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	252 return cset;
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	253 }
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	254
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	255 void addChild(HistoryNode child) {
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	256 if (children == null) {
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	257 children = new ArrayList<HistoryNode>(2);
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	258 }
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	259 children.add(child);
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	260 }
305 ae8d116f4ee2 Experimental code to build file history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 300 diff changeset	261 }
ae8d116f4ee2 Experimental code to build file history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 300 diff changeset	262
328 a674b8590362 Move file tree history to upper API level Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 323 diff changeset	263 /**
a674b8590362 Move file tree history to upper API level Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 323 diff changeset	264 * @deprecated use {@link HgLogCommand#execute(org.tmatesoft.hg.core.HgChangesetTreeHandler)} instead
a674b8590362 Move file tree history to upper API level Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 323 diff changeset	265 */
a674b8590362 Move file tree history to upper API level Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 323 diff changeset	266 @Deprecated
317 09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	267 public void history(HgChangelog.TreeInspector inspector) {
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	268 final CancelSupport cancelSupport = CancelSupport.Factory.get(inspector);
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	269 try {
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	270 final boolean[] needsSorting = { false };
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	271 final HistoryNode[] completeHistory = new HistoryNode[getRevisionCount()];
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	272 final int[] commitRevisions = new int[completeHistory.length];
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	273 RevlogStream.Inspector insp = new RevlogStream.Inspector() {
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	274 public void next(int revisionNumber, int actualLen, int baseRevision, int linkRevision, int parent1Revision, int parent2Revision, byte[] nodeid, DataAccess data) {
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	275 if (revisionNumber > 0) {
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	276 if (commitRevisions[revisionNumber-1] > linkRevision) {
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	277 needsSorting[0] = true;
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	278 }
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	279 }
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	280 commitRevisions[revisionNumber] = linkRevision;
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	281 HistoryNode p1 = null, p2 = null;
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	282 if (parent1Revision != -1) {
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	283 p1 = completeHistory[parent1Revision];
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	284 }
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	285 if (parent2Revision != -1) {
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	286 p2 = completeHistory[parent2Revision];
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	287 }
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	288 completeHistory[revisionNumber] = new HistoryNode(linkRevision, p1, p2);
305 ae8d116f4ee2 Experimental code to build file history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 300 diff changeset	289 }
317 09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	290 };
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	291 content.iterate(0, getLastRevision(), false, insp);
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	292 cancelSupport.checkCancelled();
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	293 if (needsSorting[0]) {
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	294 Arrays.sort(commitRevisions);
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	295 }
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	296 // read changeset revisions at once (to avoid numerous changelog.getRevision reads)
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	297 // but just nodeids, not RawChangeset (changelog.iterate(data=false)
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	298 ArrayList<Nodeid> changesetRevisions = new ArrayList<Nodeid>(commitRevisions.length);
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	299 getRepo().getChangelog().getRevisionsInternal(changesetRevisions, commitRevisions);
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	300 cancelSupport.checkCancelled();
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	301 // assign them to corresponding HistoryNodes
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	302 for (int i = 0; i < completeHistory.length; i++ ) {
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	303 final HistoryNode n = completeHistory[i];
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	304 if (needsSorting[0]) {
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	305 int x = Arrays.binarySearch(commitRevisions, n.changeset);
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	306 assert x >= 0;
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	307 n.cset = changesetRevisions.get(x);
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	308 } else {
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	309 // commit revisions were not sorted, may use original index directly
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	310 n.cset = changesetRevisions.get(i);
305 ae8d116f4ee2 Experimental code to build file history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 300 diff changeset	311 }
ae8d116f4ee2 Experimental code to build file history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 300 diff changeset	312 }
317 09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	313 cancelSupport.checkCancelled();
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	314 // XXX shall sort completeHistory according to changeset numbers?
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	315 for (int i = 0; i < completeHistory.length; i++ ) {
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	316 final HistoryNode n = completeHistory[i];
305 ae8d116f4ee2 Experimental code to build file history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 300 diff changeset	317 HistoryNode p;
ae8d116f4ee2 Experimental code to build file history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 300 diff changeset	318 Nodeid p1, p2;
317 09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	319 if ((p = n.parent1) != null) {
305 ae8d116f4ee2 Experimental code to build file history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 300 diff changeset	320 p1 = p.changesetRevision();
ae8d116f4ee2 Experimental code to build file history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 300 diff changeset	321 } else {
ae8d116f4ee2 Experimental code to build file history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 300 diff changeset	322 p1 = Nodeid.NULL;
ae8d116f4ee2 Experimental code to build file history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 300 diff changeset	323 }
317 09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	324 if ((p= n.parent2) != null) {
305 ae8d116f4ee2 Experimental code to build file history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 300 diff changeset	325 p2 = p.changesetRevision();
ae8d116f4ee2 Experimental code to build file history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 300 diff changeset	326 } else {
ae8d116f4ee2 Experimental code to build file history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 300 diff changeset	327 p2 = Nodeid.NULL;
ae8d116f4ee2 Experimental code to build file history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 300 diff changeset	328 }
317 09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	329 final Pair<Nodeid, Nodeid> parentChangesets = new Pair<Nodeid, Nodeid>(p1, p2);
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	330 final List<Nodeid> childChangesets;
305 ae8d116f4ee2 Experimental code to build file history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 300 diff changeset	331 if (n.children == null) {
317 09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	332 childChangesets = Collections.emptyList();
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	333 } else {
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	334 Nodeid[] revisions = new Nodeid[n.children.size()];
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	335 int j = 0;
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	336 for (HistoryNode hn : n.children) {
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	337 revisions[j++] = hn.changesetRevision();
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	338 }
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	339 childChangesets = Arrays.asList(revisions);
305 ae8d116f4ee2 Experimental code to build file history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 300 diff changeset	340 }
317 09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	341 inspector.next(n.changesetRevision(), parentChangesets, childChangesets);
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	342 cancelSupport.checkCancelled();
305 ae8d116f4ee2 Experimental code to build file history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 300 diff changeset	343 }
317 09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	344 } catch (CancelledException ex) {
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	345 return;
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 306 diff changeset	346 }
305 ae8d116f4ee2 Experimental code to build file history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 300 diff changeset	347 }
ae8d116f4ee2 Experimental code to build file history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 300 diff changeset	348
129 645829962785 core.Cset renamed to HgChangeset; repo.Changeset moved into HgChangelog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 121 diff changeset	349 public void history(HgChangelog.Inspector inspector) {
135 3959bffb14e9 explicit op name instead math op to get last rev number Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 134 diff changeset	350 history(0, getLastRevision(), inspector);
48 e34f90b9ded1 Limit option for history/log Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 37 diff changeset	351 }
e34f90b9ded1 Limit option for history/log Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 37 diff changeset	352
129 645829962785 core.Cset renamed to HgChangeset; repo.Changeset moved into HgChangelog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 121 diff changeset	353 public void history(int start, int end, HgChangelog.Inspector inspector) {
3 24bb4f365164 Rudimentary log functionality with basic infrastructure is in place Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 2 diff changeset	354 if (!exists()) {
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 2 diff changeset	355 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	356 }
135 3959bffb14e9 explicit op name instead math op to get last rev number Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 134 diff changeset	357 final int last = getLastRevision();
77 c677e1593919 Moved RevlogStream implementation into .internal Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 74 diff changeset	358 if (end == TIP) {
c677e1593919 Moved RevlogStream implementation into .internal Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 74 diff changeset	359 end = last;
c677e1593919 Moved RevlogStream implementation into .internal Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 74 diff changeset	360 }
300 650b45d290b1 Share range check code Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 295 diff changeset	361 if (start == TIP) {
650b45d290b1 Share range check code Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 295 diff changeset	362 start = last;
650b45d290b1 Share range check code Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 295 diff changeset	363 }
650b45d290b1 Share range check code Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 295 diff changeset	364 HgInternals.checkRevlogRange(start, end, last);
650b45d290b1 Share range check code Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 295 diff changeset	365
48 e34f90b9ded1 Limit option for history/log Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 37 diff changeset	366 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	367 final boolean[] needsSorting = { false };
77 c677e1593919 Moved RevlogStream implementation into .internal Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 74 diff changeset	368 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	369 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	370 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	371 if (count > 0) {
ad6a046943be Improved reading of sparse revisions from a revlog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 240 diff changeset	372 if (commitRevisions[count -1] > linkRevision) {
ad6a046943be Improved reading of sparse revisions from a revlog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 240 diff changeset	373 needsSorting[0] = true;
ad6a046943be Improved reading of sparse revisions from a revlog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 240 diff changeset	374 }
ad6a046943be Improved reading of sparse revisions from a revlog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 240 diff changeset	375 }
3 24bb4f365164 Rudimentary log functionality with basic infrastructure is in place Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 2 diff changeset	376 commitRevisions[count++] = linkRevision;
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 2 diff changeset	377 }
24bb4f365164 Rudimentary log functionality with basic infrastructure is in place Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 2 diff changeset	378 };
48 e34f90b9ded1 Limit option for history/log Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 37 diff changeset	379 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	380 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	381 if (needsSorting[0]) {
ad6a046943be Improved reading of sparse revisions from a revlog Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 240 diff changeset	382 // 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	383 // (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	384 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	385 }
245 2fb439375ddc Avoid sorting revision range twice Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 242 diff changeset	386 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	387 }
88 61eedab3eb3e Status between two revisions to recognize copy/rename Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 79 diff changeset	388
61eedab3eb3e Status between two revisions to recognize copy/rename Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 79 diff changeset	389 // for a given local revision of the file, find out local revision in the changelog
61eedab3eb3e Status between two revisions to recognize copy/rename Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 79 diff changeset	390 public int getChangesetLocalRevision(int revision) {
61eedab3eb3e Status between two revisions to recognize copy/rename Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 79 diff changeset	391 return content.linkRevision(revision);
61eedab3eb3e Status between two revisions to recognize copy/rename Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 79 diff changeset	392 }
61eedab3eb3e Status between two revisions to recognize copy/rename Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 79 diff changeset	393
61eedab3eb3e Status between two revisions to recognize copy/rename Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 79 diff changeset	394 public Nodeid getChangesetRevision(Nodeid nid) {
61eedab3eb3e Status between two revisions to recognize copy/rename Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 79 diff changeset	395 int changelogRevision = getChangesetLocalRevision(getLocalRevision(nid));
61eedab3eb3e Status between two revisions to recognize copy/rename Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 79 diff changeset	396 return getRepo().getChangelog().getRevision(changelogRevision);
61eedab3eb3e Status between two revisions to recognize copy/rename Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 79 diff changeset	397 }
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	398
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	399 public boolean isCopy() throws HgDataStreamException {
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	400 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	401 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	402 }
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	403 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	404 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	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 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	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
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	409 public Path getCopySourceName() throws HgDataStreamException {
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	410 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	411 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	412 }
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	413 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	414 }
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
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	416 public Nodeid getCopySourceRevision() throws HgDataStreamException {
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	417 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	418 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	419 }
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	420 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	421 }
88 61eedab3eb3e Status between two revisions to recognize copy/rename Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 79 diff changeset	422
61eedab3eb3e Status between two revisions to recognize copy/rename Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 79 diff changeset	423 @Override
61eedab3eb3e Status between two revisions to recognize copy/rename Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 79 diff changeset	424 public String toString() {
61eedab3eb3e Status between two revisions to recognize copy/rename Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 79 diff changeset	425 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	426 sb.append('(');
61eedab3eb3e Status between two revisions to recognize copy/rename Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 79 diff changeset	427 sb.append(getPath());
61eedab3eb3e Status between two revisions to recognize copy/rename Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 79 diff changeset	428 sb.append(')');
61eedab3eb3e Status between two revisions to recognize copy/rename Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 79 diff changeset	429 return sb.toString();
61eedab3eb3e Status between two revisions to recognize copy/rename Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 79 diff changeset	430 }
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	431
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	432 private void checkAndRecordMetadata(int localRev) throws HgDataStreamException {
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	433 // content() always initializes metadata.
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	434 // FIXME this is expensive way to find out metadata, distinct RevlogStream.Iterator would be better.
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	435 // 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	436 // 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	437 // 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	438 // (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	439 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	440 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	441 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	442 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	443 }
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 });
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 } 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	446 // it's ok, we did that
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 }
6d1804fe0ed7 Issue 10: Report file content length with respect of metadata. Respect dirstate parents for WC's status. Exceptions to keep useful attributes of the location Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 245 diff changeset	448 }
78 c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	449
88 61eedab3eb3e Status between two revisions to recognize copy/rename Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 79 diff changeset	450 private static final class MetadataEntry {
78 c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	451 private final String entry;
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	452 private final int valueStart;
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	453 /package-local/MetadataEntry(String key, String 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	454 entry = key + 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	455 valueStart = key.length();
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	456 }
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	457 /package-local/boolean matchKey(String 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	458 return key.length() == valueStart && entry.startsWith(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	459 }
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	460 // 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	461 // 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	462 // 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	463 // }
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	464 public String 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	465 return entry.substring(valueStart);
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 }
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	467 }
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	468
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	469 private static class Metadata {
276 6355ecda1f08 Tailored Map implementation with int keys Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 275 diff changeset	470 private static class Record {
6355ecda1f08 Tailored Map implementation with int keys Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 275 diff changeset	471 public final int offset;
6355ecda1f08 Tailored Map implementation with int keys Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 275 diff changeset	472 public final MetadataEntry[] entries;
6355ecda1f08 Tailored Map implementation with int keys Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 275 diff changeset	473
6355ecda1f08 Tailored Map implementation with int keys Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 275 diff changeset	474 public Record(int off, MetadataEntry[] entr) {
6355ecda1f08 Tailored Map implementation with int keys Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 275 diff changeset	475 offset = off;
6355ecda1f08 Tailored Map implementation with int keys Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 275 diff changeset	476 entries = entr;
6355ecda1f08 Tailored Map implementation with int keys Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 275 diff changeset	477 }
6355ecda1f08 Tailored Map implementation with int keys Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 275 diff changeset	478 }
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	479 // XXX sparse array needed
276 6355ecda1f08 Tailored Map implementation with int keys Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 275 diff changeset	480 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	481
276 6355ecda1f08 Tailored Map implementation with int keys Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 275 diff changeset	482 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	483
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 133 diff changeset	484 // 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	485 boolean known(int revision) {
276 6355ecda1f08 Tailored Map implementation with int keys Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 275 diff changeset	486 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	487 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	488 }
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 133 diff changeset	489
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 133 diff changeset	490 // 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	491 public boolean checked(int revision) {
276 6355ecda1f08 Tailored Map implementation with int keys Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 275 diff changeset	492 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	493 }
134 afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 133 diff changeset	494
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 133 diff changeset	495 // 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	496 boolean none(int revision) {
276 6355ecda1f08 Tailored Map implementation with int keys Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 275 diff changeset	497 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	498 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	499 }
afac8ddc5dd2 Keep record if we tried and found no metadata for a given revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 133 diff changeset	500
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 // 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	502 void recordNone(int revision) {
276 6355ecda1f08 Tailored Map implementation with int keys Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 275 diff changeset	503 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	504 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	505 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	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 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	508 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	509 }
276 6355ecda1f08 Tailored Map implementation with int keys Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 275 diff changeset	510 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	511 }
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
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	513 // 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	514 int dataOffset(int revision) {
276 6355ecda1f08 Tailored Map implementation with int keys Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 275 diff changeset	515 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	516 }
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	517 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	518 assert !entries.containsKey(revision);
6355ecda1f08 Tailored Map implementation with int keys Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 275 diff changeset	519 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	520 }
276 6355ecda1f08 Tailored Map implementation with int keys Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 275 diff changeset	521
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	522 String find(int revision, String key) {
276 6355ecda1f08 Tailored Map implementation with int keys Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 275 diff changeset	523 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	524 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	525 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	526 }
c25c5c348d1b Skip metadata in the beginning of a file content. Parse metadata, recognize copies/renames Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	527 }
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	528 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	529 }
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	530 }
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	531
277 74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	532 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	533 private final Metadata metadata;
215 41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 163 diff changeset	534 private final Path fname; // need this only for error reporting
277 74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	535 private final RevlogStream.Inspector delegate;
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	536
277 74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	537 public MetadataInspector(Metadata _metadata, Path file, 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	538 metadata = _metadata;
215 41a778e3fd31 Issue 5: Facilities for progress and cancellation. More specific exceptions. Exceptions from callbacks as RuntimeException Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 163 diff changeset	539 fname = file;
277 74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	540 delegate = chain;
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	541 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	542 }
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 148 diff changeset	543
277 74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	544 public void next(int revisionNumber, int actualLen, int baseRevision, int linkRevision, int parent1Revision, int parent2Revision, byte[] nodeid, DataAccess data) {
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	545 try {
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	546 final int daLength = data.length();
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	547 if (daLength < 4 \|\| data.readByte() != 1 \|\| data.readByte() != 10) {
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	548 metadata.recordNone(revisionNumber);
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	549 data.reset();
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	550 } else {
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	551 ArrayList<MetadataEntry> _metadata = new ArrayList<MetadataEntry>();
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	552 int offset = parseMetadata(data, daLength, _metadata);
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	553 metadata.add(revisionNumber, offset, _metadata);
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	554 // 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	555 // 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	556 // and we need to ensure predictable result.
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	557 data.reset();
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	558 data = new FilterDataAccess(data, offset, daLength - offset);
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	559 }
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	560 if (delegate != null) {
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	561 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	562 }
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	563 } catch (IOException ex) {
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	564 recordFailure(ex);
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	565 } catch (HgDataStreamException ex) {
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	566 recordFailure(ex.setRevisionNumber(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	567 }
277 74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	568 }
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	569
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	570 private int parseMetadata(DataAccess data, final int daLength, ArrayList<MetadataEntry> _metadata) throws IOException, HgDataStreamException {
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	571 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	572 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	573 // 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	574 // 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	575 // (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	576 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	577 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	578 boolean byteOne = false;
323 4c7e3ba67213 Exception when analyzing metadata of an empty renamed file Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 322 diff changeset	579 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	580 for (int i = 2; i < daLength; i++) {
277 74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	581 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	582 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	583 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	584 lastEntryStart = i+1;
323 4c7e3ba67213 Exception when analyzing metadata of an empty renamed file Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 322 diff changeset	585 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	586 // 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	587 // 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	588 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	589 }
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 if (key == null \|\| lastColon == -1 \|\| i <= lastColon) {
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 throw new IllegalStateException(); // FIXME log instead and record null key in the metadata. Ex just to fail fast during dev
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 }
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 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	594 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	595 _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	596 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	597 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	598 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	599 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	600 }
277 74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	601 // 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	602 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	603 // 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	604 bos.write(1);
277 74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	605 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	606 // 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	607 }
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 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	609 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	610 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	611 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	612 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	613 } 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	614 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	615 } 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	616 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	617 }
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 }
323 4c7e3ba67213 Exception when analyzing metadata of an empty renamed file Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 322 diff changeset	619 // 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	620 if (!metadataIsComplete) {
4c7e3ba67213 Exception when analyzing metadata of an empty renamed file Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 322 diff changeset	621 // XXX perhaps, worth a testcase (empty file, renamed, read or ask ifCopy
277 74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	622 throw new HgDataStreamException(fname, "Metadata is not closed properly", 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	623 }
277 74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 276 diff changeset	624 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	625 }
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	626
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	627 @Override
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	628 public void checkFailed() throws HgException, IOException, CancelledException {
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	629 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	630 if (delegate instanceof ErrorHandlingInspector) {
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	631 // XXX need to add ErrorDestination and pass it around (much like CancelSupport get passed)
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	632 // 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	633 ((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	634 }
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	635 }
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	636 }
2 08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	637 }

Mercurial > jhg

annotate src/org/tmatesoft/hg/repo/HgDataFile.java @ 335:3d41dc148d14