Mercurial > jhg

annotate src/org/tmatesoft/hg/util/PathRewrite.java @ 200:114c9fe7b643

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Performance optimization: reduce memory ParentWalker hogs
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Wed, 20 Apr 2011 21:14:51 +0200
parents 37a34044e6bd
children a415fe296a50
rev   line source
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
1 /*
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
2 * Copyright (c) 2011 TMate Software Ltd
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
3 *
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
4 * This program is free software; you can redistribute it and/or modify
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
5 * it under the terms of the GNU General Public License as published by
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
6 * the Free Software Foundation; version 2 of the License.
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
7 *
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
8 * This program is distributed in the hope that it will be useful,
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
11 * GNU General Public License for more details.
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
12 *
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
13 * For information on how to redistribute this software under
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
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: 93
diff changeset
15 * contact TMate Software at support@hg4j.com
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
16 */
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
17 package org.tmatesoft.hg.util;
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
18
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 64
diff changeset
19 import java.util.LinkedList;
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 64
diff changeset
20 import java.util.List;
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 64
diff changeset
21
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
22 /**
142
37a34044e6bd More reasonable use of path normalizer and path.source
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 141
diff changeset
23 * File names often need transformations, like Windows-style path to Unix or human-readable data file name to storage location.
37a34044e6bd More reasonable use of path normalizer and path.source
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 141
diff changeset
24 *
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
25 * @author Artem Tikhomirov
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
26 * @author TMate Software Ltd.
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
27 */
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
28 public interface PathRewrite {
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
29
141
8248aae33f7d Adopt FileIterator moving towards WCStatusCollector parameterizing. Improved path handling, move 'em around
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
30 // XXX think over CharSequence use instead of String
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
31 public String rewrite(String path);
93
d55d4eedfc57 Switch to Path instead of String in filenames returned by various status operations
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 74
diff changeset
32
d55d4eedfc57 Switch to Path instead of String in filenames returned by various status operations
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 74
diff changeset
33 public static class Empty implements PathRewrite {
d55d4eedfc57 Switch to Path instead of String in filenames returned by various status operations
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 74
diff changeset
34 public String rewrite(String path) {
d55d4eedfc57 Switch to Path instead of String in filenames returned by various status operations
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 74
diff changeset
35 return path;
d55d4eedfc57 Switch to Path instead of String in filenames returned by various status operations
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 74
diff changeset
36 }
d55d4eedfc57 Switch to Path instead of String in filenames returned by various status operations
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 74
diff changeset
37 }
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 64
diff changeset
38
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 64
diff changeset
39 public class Composite implements PathRewrite {
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 64
diff changeset
40 private List<PathRewrite> chain;
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 64
diff changeset
41
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 64
diff changeset
42 public Composite(PathRewrite... e) {
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 64
diff changeset
43 LinkedList<PathRewrite> r = new LinkedList<PathRewrite>();
142
37a34044e6bd More reasonable use of path normalizer and path.source
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 141
diff changeset
44 for (int i = 0; e != null && i < e.length; i++) {
37a34044e6bd More reasonable use of path normalizer and path.source
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 141
diff changeset
45 r.addLast(e[i]);
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 64
diff changeset
46 }
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 64
diff changeset
47 chain = r;
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 64
diff changeset
48 }
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 64
diff changeset
49 public Composite chain(PathRewrite e) {
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 64
diff changeset
50 chain.add(e);
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 64
diff changeset
51 return this;
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 64
diff changeset
52 }
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 64
diff changeset
53
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 64
diff changeset
54 public String rewrite(String path) {
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 64
diff changeset
55 for (PathRewrite pr : chain) {
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 64
diff changeset
56 path = pr.rewrite(path);
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 64
diff changeset
57 }
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 64
diff changeset
58 return path;
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 64
diff changeset
59 }
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 64
diff changeset
60 }
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
61 }