Mercurial > jhg

annotate src/org/tmatesoft/hg/internal/EncodingHelper.java @ 669:b1a3a056d7e6

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Pull: sample command-line utility
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Thu, 11 Jul 2013 20:49:33 +0200
parents fba85bc1dfb8
children f568330dd9c0
rev   line source
320
678e326fd27c Issue 15: Exception accessing oddly named file from history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
1 /*
526
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
2 * Copyright (c) 2011-2013 TMate Software Ltd
320
678e326fd27c Issue 15: Exception accessing oddly named file from history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
3 *
678e326fd27c Issue 15: Exception accessing oddly named file from history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
4 * This program is free software; you can redistribute it and/or modify
678e326fd27c Issue 15: Exception accessing oddly named file from history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
5 * it under the terms of the GNU General Public License as published by
678e326fd27c Issue 15: Exception accessing oddly named file from history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
6 * the Free Software Foundation; version 2 of the License.
678e326fd27c Issue 15: Exception accessing oddly named file from history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
7 *
678e326fd27c Issue 15: Exception accessing oddly named file from history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
8 * This program is distributed in the hope that it will be useful,
678e326fd27c Issue 15: Exception accessing oddly named file from history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
678e326fd27c Issue 15: Exception accessing oddly named file from history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
678e326fd27c Issue 15: Exception accessing oddly named file from history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
11 * GNU General Public License for more details.
678e326fd27c Issue 15: Exception accessing oddly named file from history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
12 *
678e326fd27c Issue 15: Exception accessing oddly named file from history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
13 * For information on how to redistribute this software under
678e326fd27c Issue 15: Exception accessing oddly named file from history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
14 * the terms of a license other than GNU General Public License
678e326fd27c Issue 15: Exception accessing oddly named file from history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
15 * contact TMate Software at support@hg4j.com
678e326fd27c Issue 15: Exception accessing oddly named file from history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
16 */
678e326fd27c Issue 15: Exception accessing oddly named file from history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
17 package org.tmatesoft.hg.internal;
678e326fd27c Issue 15: Exception accessing oddly named file from history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
18
456
909306e412e2 Refactor LogFacility and SessionContext, better API for both
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 418
diff changeset
19 import static org.tmatesoft.hg.util.LogFacility.Severity.Error;
909306e412e2 Refactor LogFacility and SessionContext, better API for both
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 418
diff changeset
20
667
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
21 import java.io.UnsupportedEncodingException;
412
63c5a9d7ca3f Follow-up for Issue 29: unify path translation for manifest and dirstate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 321
diff changeset
22 import java.nio.ByteBuffer;
415
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 412
diff changeset
23 import java.nio.CharBuffer;
412
63c5a9d7ca3f Follow-up for Issue 29: unify path translation for manifest and dirstate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 321
diff changeset
24 import java.nio.charset.CharacterCodingException;
63c5a9d7ca3f Follow-up for Issue 29: unify path translation for manifest and dirstate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 321
diff changeset
25 import java.nio.charset.Charset;
63c5a9d7ca3f Follow-up for Issue 29: unify path translation for manifest and dirstate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 321
diff changeset
26 import java.nio.charset.CharsetDecoder;
63c5a9d7ca3f Follow-up for Issue 29: unify path translation for manifest and dirstate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 321
diff changeset
27 import java.nio.charset.CharsetEncoder;
320
678e326fd27c Issue 15: Exception accessing oddly named file from history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
28
415
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 412
diff changeset
29 import org.tmatesoft.hg.core.SessionContext;
667
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
30 import org.tmatesoft.hg.repo.HgInvalidStateException;
415
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 412
diff changeset
31
320
678e326fd27c Issue 15: Exception accessing oddly named file from history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
32 /**
678e326fd27c Issue 15: Exception accessing oddly named file from history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
33 * Keep all encoding-related issues in the single place
415
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 412
diff changeset
34 * NOT thread-safe (encoder and decoder requires synchronized access)
667
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
35 *
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
36 * @see http://mercurial.selenic.com/wiki/EncodingStrategy
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
37 * @see http://mercurial.selenic.com/wiki/WindowsUTF8Plan
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
38 * @see http://mercurial.selenic.com/wiki/CharacterEncodingOnWindows
320
678e326fd27c Issue 15: Exception accessing oddly named file from history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
39 * @author Artem Tikhomirov
678e326fd27c Issue 15: Exception accessing oddly named file from history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
40 * @author TMate Software Ltd.
678e326fd27c Issue 15: Exception accessing oddly named file from history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
41 */
678e326fd27c Issue 15: Exception accessing oddly named file from history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
42 public class EncodingHelper {
412
63c5a9d7ca3f Follow-up for Issue 29: unify path translation for manifest and dirstate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 321
diff changeset
43 /*
63c5a9d7ca3f Follow-up for Issue 29: unify path translation for manifest and dirstate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 321
diff changeset
44 * To understand what Mercurial thinks of UTF-8 and Unix byte approach to names, see
63c5a9d7ca3f Follow-up for Issue 29: unify path translation for manifest and dirstate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 321
diff changeset
45 * http://mercurial.808500.n3.nabble.com/Unicode-support-request-td3430704.html
63c5a9d7ca3f Follow-up for Issue 29: unify path translation for manifest and dirstate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 321
diff changeset
46 */
63c5a9d7ca3f Follow-up for Issue 29: unify path translation for manifest and dirstate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 321
diff changeset
47
415
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 412
diff changeset
48 private final SessionContext sessionContext;
412
63c5a9d7ca3f Follow-up for Issue 29: unify path translation for manifest and dirstate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 321
diff changeset
49 private final CharsetEncoder encoder;
63c5a9d7ca3f Follow-up for Issue 29: unify path translation for manifest and dirstate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 321
diff changeset
50 private final CharsetDecoder decoder;
667
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
51 private final CharsetEncoder utfEncoder;
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
52 private final CharsetDecoder utfDecoder;
412
63c5a9d7ca3f Follow-up for Issue 29: unify path translation for manifest and dirstate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 321
diff changeset
53
667
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
54 EncodingHelper(Charset fsEncoding, SessionContext.Source ctx) {
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
55 sessionContext = ctx.getSessionContext();
412
63c5a9d7ca3f Follow-up for Issue 29: unify path translation for manifest and dirstate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 321
diff changeset
56 decoder = fsEncoding.newDecoder();
63c5a9d7ca3f Follow-up for Issue 29: unify path translation for manifest and dirstate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 321
diff changeset
57 encoder = fsEncoding.newEncoder();
667
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
58 Charset utf8 = getUTF8();
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
59 if (fsEncoding.equals(utf8)) {
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
60 utfDecoder = decoder;
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
61 utfEncoder = encoder;
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
62 } else {
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
63 utfDecoder = utf8.newDecoder();
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
64 utfEncoder = utf8.newEncoder();
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
65 }
412
63c5a9d7ca3f Follow-up for Issue 29: unify path translation for manifest and dirstate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 321
diff changeset
66 }
320
678e326fd27c Issue 15: Exception accessing oddly named file from history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
67
418
528b6780a8bd A bit of FIXME cleanup (mostly degraded to TODO post 1.0), comments and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 415
diff changeset
68 /**
528b6780a8bd A bit of FIXME cleanup (mostly degraded to TODO post 1.0), comments and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 415
diff changeset
69 * Translate file names from manifest to amazing Unicode string
528b6780a8bd A bit of FIXME cleanup (mostly degraded to TODO post 1.0), comments and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 415
diff changeset
70 */
412
63c5a9d7ca3f Follow-up for Issue 29: unify path translation for manifest and dirstate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 321
diff changeset
71 public String fromManifest(byte[] data, int start, int length) {
418
528b6780a8bd A bit of FIXME cleanup (mostly degraded to TODO post 1.0), comments and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 415
diff changeset
72 return decodeWithSystemDefaultFallback(data, start, length);
320
678e326fd27c Issue 15: Exception accessing oddly named file from history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
73 }
418
528b6780a8bd A bit of FIXME cleanup (mostly degraded to TODO post 1.0), comments and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 415
diff changeset
74
415
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 412
diff changeset
75 /**
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 412
diff changeset
76 * @return byte representation of the string directly comparable to bytes in manifest
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 412
diff changeset
77 */
526
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
78 public byte[] toManifest(CharSequence s) {
415
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 412
diff changeset
79 if (s == null) {
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 412
diff changeset
80 // perhaps, can return byte[0] in this case?
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 412
diff changeset
81 throw new IllegalArgumentException();
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 412
diff changeset
82 }
667
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
83 return toArray(encodeWithSystemDefaultFallback(s));
525
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
84 }
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
85
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
86 /**
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
87 * Translate file names from dirstate to amazing Unicode string
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
88 */
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
89 public String fromDirstate(byte[] data, int start, int length) {
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
90 return decodeWithSystemDefaultFallback(data, start, length);
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
91 }
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
92
526
2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 525
diff changeset
93 public byte[] toDirstate(CharSequence fname) {
525
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
94 if (fname == null) {
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
95 throw new IllegalArgumentException();
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
96 }
667
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
97 return toArray(encodeWithSystemDefaultFallback(fname));
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
98 }
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
99
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
100 /**
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
101 * prepare filename to be serialized into fncache file
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
102 */
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
103 public ByteBuffer toFNCache(CharSequence fname) {
525
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
104 return encodeWithSystemDefaultFallback(fname);
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
105 }
667
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
106
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
107 public byte[] toBundle(CharSequence fname) {
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
108 // yes, mercurial transfers filenames in local encoding
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
109 // so that if your local encoding doesn't match that on server,
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
110 // and you use native characters, you'd likely fail
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
111 return toArray(encodeWithSystemDefaultFallback(fname));
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
112 }
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
113 public String fromBundle(byte[] data, int start, int length) {
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
114 return decodeWithSystemDefaultFallback(data, start, length);
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
115 }
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
116
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
117
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
118 public String userFromChangeset(byte[] data, int start, int length) {
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
119 return decodeUnicodeWithFallback(data, start, length);
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
120 }
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
121
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
122 public String commentFromChangeset(byte[] data, int start, int length) {
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
123 return decodeUnicodeWithFallback(data, start, length);
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
124 }
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
125
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
126 public String fileFromChangeset(byte[] data, int start, int length) {
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
127 return decodeWithSystemDefaultFallback(data, start, length);
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
128 }
525
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
129
667
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
130 public byte[] userToChangeset(CharSequence user) {
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
131 return toArray(encodeUnicode(user));
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
132 }
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
133
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
134 public byte[] commentToChangeset(CharSequence comment) {
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
135 return toArray(encodeUnicode(comment));
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
136 }
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
137
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
138 public byte[] fileToChangeset(CharSequence file) {
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
139 return toArray(encodeWithSystemDefaultFallback(file));
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
140 }
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
141
525
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
142 private String decodeWithSystemDefaultFallback(byte[] data, int start, int length) {
415
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 412
diff changeset
143 try {
525
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
144 return decoder.decode(ByteBuffer.wrap(data, start, length)).toString();
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
145 } catch (CharacterCodingException ex) {
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
146 sessionContext.getLog().dump(getClass(), Error, ex, String.format("Use of charset %s failed, resort to system default", charset().name()));
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
147 // resort to system-default
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
148 return new String(data, start, length);
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
149 }
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
150 }
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
151
667
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
152 private ByteBuffer encodeWithSystemDefaultFallback(CharSequence s) {
525
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
153 try {
0be5be8d57e9 Repository checkout support, first iteration
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
154 // synchronized(encoder) {
667
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
155 return encoder.encode(CharBuffer.wrap(s));
415
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 412
diff changeset
156 // }
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 412
diff changeset
157 } catch (CharacterCodingException ex) {
456
909306e412e2 Refactor LogFacility and SessionContext, better API for both
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 418
diff changeset
158 sessionContext.getLog().dump(getClass(), Error, ex, String.format("Use of charset %s failed, resort to system default", charset().name()));
415
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 412
diff changeset
159 // resort to system-default
667
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
160 return ByteBuffer.wrap(s.toString().getBytes());
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
161 }
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
162 }
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
163
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
164 private byte[] toArray(ByteBuffer bb) {
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
165 byte[] rv;
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
166 if (bb.hasArray() && bb.arrayOffset() == 0) {
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
167 rv = bb.array();
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
168 if (rv.length == bb.remaining()) {
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
169 return rv;
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
170 }
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
171 // fall through
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
172 }
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
173 rv = new byte[bb.remaining()];
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
174 bb.get(rv, 0, rv.length);
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
175 return rv;
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
176 }
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
177
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
178 private String decodeUnicodeWithFallback(byte[] data, int start, int length) {
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
179 try {
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
180 return utfDecoder.decode(ByteBuffer.wrap(data, start, length)).toString();
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
181 } catch (CharacterCodingException ex) {
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
182 // TODO post-1.2 respect ui.fallbackencoding actual setting
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
183 return new String(data, start, length, Charset.forName("ISO-8859-1"));
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
184 }
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
185 }
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
186
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
187 private ByteBuffer encodeUnicode(CharSequence s) {
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
188 //
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
189 try {
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
190 return utfEncoder.encode(CharBuffer.wrap(s));
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
191 } catch (CharacterCodingException ex) {
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
192 byte[] rv;
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
193 try {
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
194 rv = s.toString().getBytes(getUTF8().name()); // XXX Java 1.5
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
195 } catch (UnsupportedEncodingException e) {
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
196 throw new HgInvalidStateException("Unexpected error trying to get UTF-8 encoding");
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
197 }
fba85bc1dfb8 Refactoring: move all encoding/decoding operations into single place, EncodingHelper
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 527
diff changeset
198 return ByteBuffer.wrap(rv);
415
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 412
diff changeset
199 }
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 412
diff changeset
200 }
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 412
diff changeset
201
418
528b6780a8bd A bit of FIXME cleanup (mostly degraded to TODO post 1.0), comments and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 415
diff changeset
202 private Charset charset() {
412
63c5a9d7ca3f Follow-up for Issue 29: unify path translation for manifest and dirstate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 321
diff changeset
203 return encoder.charset();
63c5a9d7ca3f Follow-up for Issue 29: unify path translation for manifest and dirstate
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 321
diff changeset
204 }
415
ee8264d80747 Explicit constant for regular file flags, access to flags for a given file revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 412
diff changeset
205
527
47b7bedf0569 Tests for present HgCheckoutCommand functionality. Update branch information on checkout. Use UTF8 encoding for the branch file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 526
diff changeset
206 public static Charset getUTF8() {
47b7bedf0569 Tests for present HgCheckoutCommand functionality. Update branch information on checkout. Use UTF8 encoding for the branch file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 526
diff changeset
207 return Charset.forName("UTF-8");
47b7bedf0569 Tests for present HgCheckoutCommand functionality. Update branch information on checkout. Use UTF8 encoding for the branch file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 526
diff changeset
208 }
320
678e326fd27c Issue 15: Exception accessing oddly named file from history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
209 }