Mercurial > jhg

annotate src/org/tmatesoft/hg/repo/HgIgnore.java @ 83:a5275143664c

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Complete path hash calculation of fncache requirement
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Tue, 25 Jan 2011 22:44:14 +0100
parents 6f1b88693d48
children c2ce1cfaeb9e
rev   line source
15
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
1 /*
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 15
diff changeset
2 * Copyright (c) 2010-2011 TMate Software Ltd
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 15
diff changeset
3 *
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 15
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: 15
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: 15
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: 15
diff changeset
7 *
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 15
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: 15
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: 15
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: 15
diff changeset
11 * GNU General Public License for more details.
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 15
diff changeset
12 *
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 15
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: 15
diff changeset
14 * the terms of a license other than GNU General Public License
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 15
diff changeset
15 * contact TMate Software at support@svnkit.com
15
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
16 */
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 15
diff changeset
17 package org.tmatesoft.hg.repo;
15
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
18
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
19 import java.io.BufferedReader;
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
20 import java.io.File;
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
21 import java.io.FileReader;
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
22 import java.io.IOException;
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
23 import java.util.Collections;
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
24 import java.util.Set;
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
25 import java.util.TreeSet;
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
26
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
27 /**
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
28 *
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 15
diff changeset
29 * @author Artem Tikhomirov
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 15
diff changeset
30 * @author TMate Software Ltd.
15
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
31 */
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
32 public class HgIgnore {
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
33
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 15
diff changeset
34 private final HgRepository repo;
15
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
35 private Set<String> entries;
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
36
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 15
diff changeset
37 public HgIgnore(HgRepository localRepo) {
15
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
38 this.repo = localRepo;
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
39 }
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
40
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
41 private void read() {
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
42 entries = Collections.emptySet();
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
43 File hgignoreFile = new File(repo.getRepositoryRoot().getParentFile(), ".hgignore");
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
44 if (!hgignoreFile.exists()) {
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
45 return;
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
46 }
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
47 entries = new TreeSet<String>();
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
48 try {
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
49 BufferedReader fr = new BufferedReader(new FileReader(hgignoreFile));
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
50 String line;
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
51 while ((line = fr.readLine()) != null) {
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
52 // FIXME need to detect syntax:glob and other parameters
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
53 entries.add(line.trim()); // shall I account for local paths in the file (i.e. back-slashed on windows)?
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
54 }
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
55 } catch (IOException ex) {
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
56 ex.printStackTrace(); // log warn
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
57 }
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
58 }
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
59
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
60 public void reset() {
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
61 // FIXME does anyone really need to clear HgIgnore? Perhaps, repo may return new instance each time,
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
62 // which is used throughout invocation and then discarded?
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
63 entries = null;
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
64 }
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
65
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
66 public boolean isIgnored(String path) {
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
67 if (entries == null) {
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
68 read();
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
69 }
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
70 if (entries.contains(path)) {
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
71 // easy part
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
72 return true;
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
73 }
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
74 // substrings are memory-friendly
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
75 int x = 0, i = path.indexOf('/', 0);
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
76 while (i != -1) {
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
77 if (entries.contains(path.substring(x, i))) {
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
78 return true;
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
79 }
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
80 // try one with ending slash
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
81 if (entries.contains(path.substring(x, i+1))) { // even if i is last index, i+1 is safe here
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
82 return true;
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
83 }
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
84 x = i+1;
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
85 i = path.indexOf('/', x);
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
86 }
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
87 return false;
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
88 }
865bf07f381f Basic hgignore handling
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
89 }