Mercurial > hg4j
annotate src/org/tmatesoft/hg/internal/NewlineFilter.java @ 243:0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
author | Artem Tikhomirov <tikhomirov.artem@gmail.com> |
---|---|
date | Thu, 23 Jun 2011 16:58:38 +0200 |
parents | 6e1373b54e9b |
children | 981f9f50bb6c |
rev | line source |
---|---|
113
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
1 /* |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
2 * Copyright (c) 2011 TMate Software Ltd |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
3 * |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
4 * This program is free software; you can redistribute it and/or modify |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
5 * it under the terms of the GNU General Public License as published by |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
6 * the Free Software Foundation; version 2 of the License. |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
7 * |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
8 * This program is distributed in the hope that it will be useful, |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
11 * GNU General Public License for more details. |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
12 * |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
13 * For information on how to redistribute this software under |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
14 * the terms of a license other than GNU General Public License |
130
7567f4a42fe5
Correct contact address
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
118
diff
changeset
|
15 * contact TMate Software at support@hg4j.com |
113
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
16 */ |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
17 package org.tmatesoft.hg.internal; |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
18 |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
19 import static org.tmatesoft.hg.internal.Filter.Direction.FromRepo; |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
20 import static org.tmatesoft.hg.internal.Filter.Direction.ToRepo; |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
21 import static org.tmatesoft.hg.internal.KeywordFilter.copySlice; |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
22 |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
23 import java.io.File; |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
24 import java.io.FileInputStream; |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
25 import java.io.FileOutputStream; |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
26 import java.nio.ByteBuffer; |
114
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
27 import java.util.ArrayList; |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
28 import java.util.Map; |
113
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
29 |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
30 import org.tmatesoft.hg.repo.HgRepository; |
133
4a948ec83980
core.Path to util.Path as it's not Hg repo dependant
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
130
diff
changeset
|
31 import org.tmatesoft.hg.util.Path; |
113
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
32 |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
33 /** |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
34 * |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
35 * @author Artem Tikhomirov |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
36 * @author TMate Software Ltd. |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
37 */ |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
38 public class NewlineFilter implements Filter { |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
39 |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
40 // if allowInconsistent is true, filter simply pass incorrect newline characters (single \r or \r\n on *nix and single \n on Windows) as is, |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
41 // i.e. doesn't try to convert them into appropriate newline characters. XXX revisit if Keyword extension behaves differently |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
42 private final boolean allowInconsistent; |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
43 private final boolean winToNix; |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
44 |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
45 private NewlineFilter(boolean failIfInconsistent, int transform) { |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
46 winToNix = transform == 0; |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
47 allowInconsistent = !failIfInconsistent; |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
48 } |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
49 |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
50 public ByteBuffer filter(ByteBuffer src) { |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
51 if (winToNix) { |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
52 return win2nix(src); |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
53 } else { |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
54 return nix2win(src); |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
55 } |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
56 } |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
57 |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
58 private ByteBuffer win2nix(ByteBuffer src) { |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
59 int x = src.position(); // source index |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
60 int lookupStart = x; |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
61 ByteBuffer dst = null; |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
62 while (x < src.limit()) { |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
63 // x, lookupStart, ir and in are absolute positions within src buffer, which is never read with modifying operations |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
64 int ir = indexOf('\r', src, lookupStart); |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
65 int in = indexOf('\n', src, lookupStart); |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
66 if (ir == -1) { |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
67 if (in == -1 || allowInconsistent) { |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
68 if (dst != null) { |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
69 copySlice(src, x, src.limit(), dst); |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
70 x = src.limit(); // consumed all |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
71 } |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
72 break; |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
73 } else { |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
74 fail(src, in); |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
75 } |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
76 } |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
77 // in == -1 while ir != -1 may be valid case if ir is the last char of the buffer, we check below for that |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
78 if (in != -1 && in != ir+1 && !allowInconsistent) { |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
79 fail(src, in); |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
80 } |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
81 if (dst == null) { |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
82 dst = ByteBuffer.allocate(src.remaining()); |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
83 } |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
84 copySlice(src, x, ir, dst); |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
85 if (ir+1 == src.limit()) { |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
86 // last char of the buffer - |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
87 // consume src till that char and let next iteration work on it |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
88 x = ir; |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
89 break; |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
90 } |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
91 if (in != ir + 1) { |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
92 x = ir+1; // generally in, but if allowInconsistent==true and \r is not followed by \n, then |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
93 // cases like "one \r two \r\n three" shall be processed correctly (second pair would be ignored if x==in) |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
94 lookupStart = ir+1; |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
95 } else { |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
96 x = in; |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
97 lookupStart = x+1; // skip \n for next lookup |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
98 } |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
99 } |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
100 src.position(x); // mark we've consumed up to x |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
101 return dst == null ? src : (ByteBuffer) dst.flip(); |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
102 } |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
103 |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
104 private ByteBuffer nix2win(ByteBuffer src) { |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
105 int x = src.position(); |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
106 ByteBuffer dst = null; |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
107 while (x < src.limit()) { |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
108 int in = indexOf('\n', src, x); |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
109 int ir = indexOf('\r', src, x, in == -1 ? src.limit() : in); |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
110 if (in == -1) { |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
111 if (ir == -1 || allowInconsistent) { |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
112 break; |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
113 } else { |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
114 fail(src, ir); |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
115 } |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
116 } else if (ir != -1 && !allowInconsistent) { |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
117 fail(src, ir); |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
118 } |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
119 |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
120 // x <= in < src.limit |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
121 // allowInconsistent && x <= ir < in || ir == -1 |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
122 if (dst == null) { |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
123 // buffer full of \n grows as much as twice in size |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
124 dst = ByteBuffer.allocate(src.remaining() * 2); |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
125 } |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
126 copySlice(src, x, in, dst); |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
127 if (ir == -1 || ir+1 != in) { |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
128 dst.put((byte) '\r'); |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
129 } // otherwise (ir!=-1 && ir+1==in) we found \r\n pair, don't convert to \r\r\n |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
130 // we may copy \n at src[in] on the next iteration, but would need extra lookupIndex variable then. |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
131 dst.put((byte) '\n'); |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
132 x = in+1; |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
133 } |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
134 src.position(x); |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
135 return dst == null ? src : (ByteBuffer) dst.flip(); |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
136 } |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
137 |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
138 |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
139 private void fail(ByteBuffer b, int pos) { |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
140 throw new RuntimeException(String.format("Inconsistent newline characters in the stream (char 0x%x, local index:%d)", b.get(pos), pos)); |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
141 } |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
142 |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
143 private static int indexOf(char ch, ByteBuffer b, int from) { |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
144 return indexOf(ch, b, from, b.limit()); |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
145 } |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
146 |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
147 // looks up in buf[from..to) |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
148 private static int indexOf(char ch, ByteBuffer b, int from, int to) { |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
149 for (int i = from; i < to; i++) { |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
150 byte c = b.get(i); |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
151 if (ch == c) { |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
152 return i; |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
153 } |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
154 } |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
155 return -1; |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
156 } |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
157 |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
158 public static class Factory implements Filter.Factory { |
114
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
159 private boolean failIfInconsistent = true; |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
160 private Path.Matcher lfMatcher; |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
161 private Path.Matcher crlfMatcher; |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
162 private Path.Matcher binMatcher; |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
163 private Path.Matcher nativeMatcher; |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
164 private String nativeRepoFormat; |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
165 private String nativeOSFormat; |
113
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
166 |
114
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
167 public 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
|
168 failIfInconsistent = cfg.getBoolean("eol", "only-consistent", true); |
237
6e1373b54e9b
Allow access to working copy content through HgDataFile. Give access to repository's working dir
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
133
diff
changeset
|
169 File cfgFile = new File(hgRepo.getWorkingDir(), ".hgeol"); |
114
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
170 if (!cfgFile.canRead()) { |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
171 return; |
113
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
172 } |
114
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
173 // XXX if .hgeol is not checked out, we may get it from repository |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
174 // HgDataFile cfgFileNode = hgRepo.getFileNode(".hgeol"); |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
175 // if (!cfgFileNode.exists()) { |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
176 // return; |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
177 // } |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
178 // XXX perhaps, add HgDataFile.hasWorkingCopy and workingCopyContent()? |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
179 ConfigFile hgeol = new ConfigFile(); |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
180 hgeol.addLocation(cfgFile); |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
181 nativeRepoFormat = hgeol.getSection("repository").get("native"); |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
182 if (nativeRepoFormat == null) { |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
183 nativeRepoFormat = "LF"; |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
184 } |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
185 final String os = System.getProperty("os.name"); // XXX need centralized set of properties |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
186 nativeOSFormat = os.indexOf("Windows") != -1 ? "CRLF" : "LF"; |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
187 // I assume pattern ordering in .hgeol is not important |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
188 ArrayList<String> lfPatterns = new ArrayList<String>(); |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
189 ArrayList<String> crlfPatterns = new ArrayList<String>(); |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
190 ArrayList<String> nativePatterns = new ArrayList<String>(); |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
191 ArrayList<String> binPatterns = new ArrayList<String>(); |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
192 for (Map.Entry<String,String> e : hgeol.getSection("patterns").entrySet()) { |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
193 if ("CRLF".equals(e.getValue())) { |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
194 crlfPatterns.add(e.getKey()); |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
195 } else if ("LF".equals(e.getValue())) { |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
196 lfPatterns.add(e.getKey()); |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
197 } else if ("native".equals(e.getValue())) { |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
198 nativePatterns.add(e.getKey()); |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
199 } else if ("BIN".equals(e.getValue())) { |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
200 binPatterns.add(e.getKey()); |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
201 } else { |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
202 System.out.printf("Can't recognize .hgeol entry: %s for %s", e.getValue(), e.getKey()); // FIXME log warning |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
203 } |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
204 } |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
205 if (!crlfPatterns.isEmpty()) { |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
206 crlfMatcher = new PathGlobMatcher(crlfPatterns.toArray(new String[crlfPatterns.size()])); |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
207 } |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
208 if (!lfPatterns.isEmpty()) { |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
209 lfMatcher = new PathGlobMatcher(lfPatterns.toArray(new String[lfPatterns.size()])); |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
210 } |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
211 if (!binPatterns.isEmpty()) { |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
212 binMatcher = new PathGlobMatcher(binPatterns.toArray(new String[binPatterns.size()])); |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
213 } |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
214 if (!nativePatterns.isEmpty()) { |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
215 nativeMatcher = new PathGlobMatcher(nativePatterns.toArray(new String[nativePatterns.size()])); |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
216 } |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
217 } |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
218 |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
219 public Filter create(Path path, Options opts) { |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
220 if (binMatcher == null && crlfMatcher == null && lfMatcher == null && nativeMatcher == null) { |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
221 // not initialized - perhaps, no .hgeol found |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
222 return null; |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
223 } |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
224 if (binMatcher != null && binMatcher.accept(path)) { |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
225 return null; |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
226 } |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
227 if (crlfMatcher != null && crlfMatcher.accept(path)) { |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
228 return new NewlineFilter(failIfInconsistent, 1); |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
229 } else if (lfMatcher != null && lfMatcher.accept(path)) { |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
230 return new NewlineFilter(failIfInconsistent, 0); |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
231 } else if (nativeMatcher != null && nativeMatcher.accept(path)) { |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
232 if (nativeOSFormat.equals(nativeRepoFormat)) { |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
233 return null; |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
234 } |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
235 if (opts.getDirection() == FromRepo) { |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
236 int transform = "CRLF".equals(nativeOSFormat) ? 1 : 0; |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
237 return new NewlineFilter(failIfInconsistent, transform); |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
238 } else if (opts.getDirection() == ToRepo) { |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
239 int transform = "CRLF".equals(nativeOSFormat) ? 0 : 1; |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
240 return new NewlineFilter(failIfInconsistent, transform); |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
241 } |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
242 return null; |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
243 } |
46291ec605a0
Filters to read and initialize according to configuration files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
113
diff
changeset
|
244 return null; |
113
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
245 } |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
246 } |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
247 |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
248 public static void main(String[] args) throws Exception { |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
249 FileInputStream fis = new FileInputStream(new File("/temp/design.lf.txt")); |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
250 FileOutputStream fos = new FileOutputStream(new File("/temp/design.newline.out")); |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
251 ByteBuffer b = ByteBuffer.allocate(12); |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
252 NewlineFilter nlFilter = new NewlineFilter(true, 1); |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
253 while (fis.getChannel().read(b) != -1) { |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
254 b.flip(); // get ready to be read |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
255 ByteBuffer f = nlFilter.filter(b); |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
256 fos.getChannel().write(f); // XXX in fact, f may not be fully consumed |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
257 if (b.hasRemaining()) { |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
258 b.compact(); |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
259 } else { |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
260 b.clear(); |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
261 } |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
262 } |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
263 fis.close(); |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
264 fos.flush(); |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
265 fos.close(); |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
266 } |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
267 |
67ae317408c9
Filter implementation for newline translation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
268 } |