Mercurial > hg4j

annotate src/org/tmatesoft/hg/internal/Filter.java @ 115:c0cc2535462c

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Introduced channels to pipeline (and easily filter) data streams
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Thu, 03 Feb 2011 23:32:08 +0100
parents 46291ec605a0
children 7567f4a42fe5
rev   line source
112
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
1 /*
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
2 * Copyright (c) 2011 TMate Software Ltd
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
3 *
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
4 * This program is free software; you can redistribute it and/or modify
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
5 * it under the terms of the GNU General Public License as published by
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
6 * the Free Software Foundation; version 2 of the License.
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
7 *
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
8 * This program is distributed in the hope that it will be useful,
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
11 * GNU General Public License for more details.
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
12 *
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
13 * For information on how to redistribute this software under
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
14 * the terms of a license other than GNU General Public License
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
15 * contact TMate Software at support@svnkit.com
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
16 */
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
17 package org.tmatesoft.hg.internal;
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
18
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
19 import java.nio.ByteBuffer;
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
20
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
21 import org.tmatesoft.hg.core.Path;
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
22 import org.tmatesoft.hg.repo.HgRepository;
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
23
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
24 /**
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
25 *
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
26 * @author Artem Tikhomirov
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
27 * @author TMate Software Ltd.
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
28 */
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
29 public interface Filter {
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
30
115
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 114
diff changeset
31 // returns a buffer ready to be read. may return original buffer.
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 114
diff changeset
32 // original buffer may not be fully consumed, #compact() might be operation to perform
112
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
33 ByteBuffer filter(ByteBuffer src);
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
34
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
35 interface Factory {
114
46291ec605a0 Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 113
diff changeset
36 void initialize(HgRepository hgRepo, ConfigFile cfg);
46291ec605a0 Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 113
diff changeset
37 // may return null if for a given path and/or options this filter doesn't make any sense
46291ec605a0 Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 113
diff changeset
38 Filter create(Path path, Options opts);
113
67ae317408c9 Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 112
diff changeset
39 }
67ae317408c9 Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 112
diff changeset
40
67ae317408c9 Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 112
diff changeset
41 enum Direction {
67ae317408c9 Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 112
diff changeset
42 FromRepo, ToRepo
67ae317408c9 Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 112
diff changeset
43 }
67ae317408c9 Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 112
diff changeset
44
114
46291ec605a0 Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 113
diff changeset
45 public class Options {
46291ec605a0 Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 113
diff changeset
46
46291ec605a0 Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 113
diff changeset
47 private final Direction direction;
46291ec605a0 Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 113
diff changeset
48 public Options(Direction dir) {
46291ec605a0 Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 113
diff changeset
49 direction = dir;
46291ec605a0 Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 113
diff changeset
50 }
46291ec605a0 Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 113
diff changeset
51
46291ec605a0 Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 113
diff changeset
52 Direction getDirection() {
46291ec605a0 Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 113
diff changeset
53 return direction;
46291ec605a0 Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 113
diff changeset
54 }
46291ec605a0 Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 113
diff changeset
55
112
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
56 }
d488c7638b87 Prototype Filter support with keyword filter as a playground
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
57 }