Mercurial > jhg

annotate cmdline/org/tmatesoft/hg/console/Cat.java @ 338:3cfa4d908fc9

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Add options to control DataAccessProvider, allow to turn off use of file memory mapping in particular to solve potential sharing violation (os file handle gets released on MappedByteByffer being GC'd, not on FileChannel.close())
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Tue, 15 Nov 2011 04:47:03 +0100
parents 45dc79e545f5
children
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 /*
72
9a03a80a0f2f Command-line frontend moved to separate source root with new package statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 59
diff changeset
2 * Copyright (c) 2010-2011 TMate Software Ltd
9a03a80a0f2f Command-line frontend moved to separate source root with new package statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 59
diff changeset
3 *
9a03a80a0f2f Command-line frontend moved to separate source root with new package statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 59
diff changeset
4 * This program is free software; you can redistribute it and/or modify
9a03a80a0f2f Command-line frontend moved to separate source root with new package statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 59
diff changeset
5 * it under the terms of the GNU General Public License as published by
9a03a80a0f2f Command-line frontend moved to separate source root with new package statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 59
diff changeset
6 * the Free Software Foundation; version 2 of the License.
9a03a80a0f2f Command-line frontend moved to separate source root with new package statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 59
diff changeset
7 *
9a03a80a0f2f Command-line frontend moved to separate source root with new package statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 59
diff changeset
8 * This program is distributed in the hope that it will be useful,
9a03a80a0f2f Command-line frontend moved to separate source root with new package statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 59
diff changeset
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9a03a80a0f2f Command-line frontend moved to separate source root with new package statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 59
diff changeset
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
9a03a80a0f2f Command-line frontend moved to separate source root with new package statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 59
diff changeset
11 * GNU General Public License for more details.
9a03a80a0f2f Command-line frontend moved to separate source root with new package statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 59
diff changeset
12 *
9a03a80a0f2f Command-line frontend moved to separate source root with new package statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 59
diff changeset
13 * For information on how to redistribute this software under
9a03a80a0f2f Command-line frontend moved to separate source root with new package statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 59
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: 96
diff changeset
15 * contact TMate Software at support@hg4j.com
1
a3576694a4d1 Repository detection from local/specified directory
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
16 */
72
9a03a80a0f2f Command-line frontend moved to separate source root with new package statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 59
diff changeset
17 package org.tmatesoft.hg.console;
1
a3576694a4d1 Repository detection from local/specified directory
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
18
143
b9700740553a Command line tools parse and respect most of command-line arguments
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
19 import static org.tmatesoft.hg.repo.HgRepository.TIP;
b9700740553a Command line tools parse and respect most of command-line arguments
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
20
150
6b55f10ef54b Unused variables removed.
Alexander Kitaev <kitaev@gmail.com>
parents: 143
diff changeset
21 import java.io.IOException;
143
b9700740553a Command line tools parse and respect most of command-line arguments
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
22 import java.io.OutputStream;
b9700740553a Command line tools parse and respect most of command-line arguments
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
23 import java.nio.ByteBuffer;
299
45dc79e545f5 Recognize flag options (options with no arguments) in command line sample apps
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
24 import java.util.Collections;
143
b9700740553a Command line tools parse and respect most of command-line arguments
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
25
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 72
diff changeset
26 import org.tmatesoft.hg.repo.HgDataFile;
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 72
diff changeset
27 import org.tmatesoft.hg.repo.HgRepository;
143
b9700740553a Command line tools parse and respect most of command-line arguments
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
28 import org.tmatesoft.hg.util.ByteChannel;
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 72
diff changeset
29
1
a3576694a4d1 Repository detection from local/specified directory
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
30
a3576694a4d1 Repository detection from local/specified directory
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
31 /**
72
9a03a80a0f2f Command-line frontend moved to separate source root with new package statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 59
diff changeset
32 * @author Artem Tikhomirov
9a03a80a0f2f Command-line frontend moved to separate source root with new package statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 59
diff changeset
33 * @author TMate Software Ltd.
1
a3576694a4d1 Repository detection from local/specified directory
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
34 */
a3576694a4d1 Repository detection from local/specified directory
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
35 public class Cat {
a3576694a4d1 Repository detection from local/specified directory
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
36
a3576694a4d1 Repository detection from local/specified directory
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
37 public static void main(String[] args) throws Exception {
299
45dc79e545f5 Recognize flag options (options with no arguments) in command line sample apps
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
38 Options cmdLineOpts = Options.parse(args, Collections.<String>emptySet());
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 72
diff changeset
39 HgRepository hgRepo = cmdLineOpts.findRepository();
1
a3576694a4d1 Repository detection from local/specified directory
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
40 if (hgRepo.isInvalid()) {
a3576694a4d1 Repository detection from local/specified directory
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
41 System.err.printf("Can't find repository in: %s\n", hgRepo.getLocation());
a3576694a4d1 Repository detection from local/specified directory
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
42 return;
a3576694a4d1 Repository detection from local/specified directory
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
43 }
143
b9700740553a Command line tools parse and respect most of command-line arguments
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
44 int rev = cmdLineOpts.getSingleInt(TIP, "-r", "--rev");
b9700740553a Command line tools parse and respect most of command-line arguments
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
45 OutputStreamChannel out = new OutputStreamChannel(System.out);
b9700740553a Command line tools parse and respect most of command-line arguments
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
46 for (String fname : cmdLineOpts.getList("")) {
5
fc265ddeab26 File content and non-effective, although working, patch application
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 3
diff changeset
47 System.out.println(fname);
fc265ddeab26 File content and non-effective, although working, patch application
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 3
diff changeset
48 HgDataFile fn = hgRepo.getFileNode(fname);
fc265ddeab26 File content and non-effective, although working, patch application
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 3
diff changeset
49 if (fn.exists()) {
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: 150
diff changeset
50 fn.contentWithFilters(rev, out);
143
b9700740553a Command line tools parse and respect most of command-line arguments
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
51 System.out.println();
5
fc265ddeab26 File content and non-effective, although working, patch application
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 3
diff changeset
52 } else {
143
b9700740553a Command line tools parse and respect most of command-line arguments
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
53 System.out.printf("%s not found!\n", fname);
5
fc265ddeab26 File content and non-effective, although working, patch application
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 3
diff changeset
54 }
fc265ddeab26 File content and non-effective, although working, patch application
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 3
diff changeset
55 }
1
a3576694a4d1 Repository detection from local/specified directory
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
56 }
143
b9700740553a Command line tools parse and respect most of command-line arguments
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
57
b9700740553a Command line tools parse and respect most of command-line arguments
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
58 private static class OutputStreamChannel implements ByteChannel {
b9700740553a Command line tools parse and respect most of command-line arguments
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
59
b9700740553a Command line tools parse and respect most of command-line arguments
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
60 private final OutputStream stream;
b9700740553a Command line tools parse and respect most of command-line arguments
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
61
b9700740553a Command line tools parse and respect most of command-line arguments
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
62 public OutputStreamChannel(OutputStream out) {
b9700740553a Command line tools parse and respect most of command-line arguments
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
63 stream = out;
b9700740553a Command line tools parse and respect most of command-line arguments
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
64 }
b9700740553a Command line tools parse and respect most of command-line arguments
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
65
150
6b55f10ef54b Unused variables removed.
Alexander Kitaev <kitaev@gmail.com>
parents: 143
diff changeset
66 public int write(ByteBuffer buffer) throws IOException {
143
b9700740553a Command line tools parse and respect most of command-line arguments
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
67 int count = buffer.remaining();
b9700740553a Command line tools parse and respect most of command-line arguments
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
68 while(buffer.hasRemaining()) {
b9700740553a Command line tools parse and respect most of command-line arguments
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
69 stream.write(buffer.get());
b9700740553a Command line tools parse and respect most of command-line arguments
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
70 }
b9700740553a Command line tools parse and respect most of command-line arguments
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
71 return count;
b9700740553a Command line tools parse and respect most of command-line arguments
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
72 }
b9700740553a Command line tools parse and respect most of command-line arguments
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
73 }
1
a3576694a4d1 Repository detection from local/specified directory
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
74 }