Mercurial > hg4j

annotate src/org/tmatesoft/hg/internal/StoragePathHelper.java @ 191:b777502a06f5

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Do not assume second parent can be set only when first one is set, again
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Thu, 14 Apr 2011 19:53:31 +0200
parents bb1d02f9eff6
children a415fe296a50
rev   line source
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
1 /*
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
2 * Copyright (c) 2011 TMate Software Ltd
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
3 *
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
4 * This program is free software; you can redistribute it and/or modify
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
5 * it under the terms of the GNU General Public License as published by
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
6 * the Free Software Foundation; version 2 of the License.
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
7 *
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
8 * This program is distributed in the hope that it will be useful,
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
11 * GNU General Public License for more details.
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
12 *
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
13 * For information on how to redistribute this software under
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
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: 83
diff changeset
15 * contact TMate Software at support@hg4j.com
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
16 */
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
17 package org.tmatesoft.hg.internal;
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
18
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
19 import java.util.Arrays;
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
20 import java.util.TreeSet;
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
21
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
22 import org.tmatesoft.hg.util.PathRewrite;
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
23
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
24 /**
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
25 * @see http://mercurial.selenic.com/wiki/CaseFoldingPlan
80
4222b04f34ee Follow history of a file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 74
diff changeset
26 * @see http://mercurial.selenic.com/wiki/fncacheRepoFormat
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
27 *
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
28 * @author Artem Tikhomirov
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
29 * @author TMate Software Ltd.
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
30 */
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
31 class StoragePathHelper implements PathRewrite {
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
32
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
33 private final boolean store;
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
34 private final boolean fncache;
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
35 private final boolean dotencode;
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
36
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
37 public StoragePathHelper(boolean isStore, boolean isFncache, boolean isDotencode) {
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
38 store = isStore;
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
39 fncache = isFncache;
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
40 dotencode = isDotencode;
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
41 }
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
42
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
43 // FIXME document what path argument is, whether it includes .i or .d, and whether it's 'normalized' (slashes) or not.
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
44 // since .hg/store keeps both .i files and files without extension (e.g. fncache), guees, for data == false
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
45 // we shall assume path has extension
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
46 public String rewrite(String path) {
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
47 final String STR_STORE = "store/";
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
48 final String STR_DATA = "data/";
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
49 final String STR_DH = "dh/";
83
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
50 final String reservedChars = "\\:*?\"<>|";
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
51 char[] hexByte = new char[2];
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
52
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
53 path = path.replace(".hg/", ".hg.hg/").replace(".i/", ".i.hg/").replace(".d/", ".d.hg/");
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
54 StringBuilder sb = new StringBuilder(path.length() << 1);
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
55 if (store || fncache) {
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
56 // encodefilename
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
57 for (int i = 0; i < path.length(); i++) {
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
58 final char ch = path.charAt(i);
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
59 if (ch >= 'a' && ch <= 'z') {
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
60 sb.append(ch); // POIRAE
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
61 } else if (ch >= 'A' && ch <= 'Z') {
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
62 sb.append('_');
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
63 sb.append(Character.toLowerCase(ch)); // Perhaps, (char) (((int) ch) + 32)? Even better, |= 0x20?
83
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
64 } else if (reservedChars.indexOf(ch) != -1) {
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
65 sb.append('~');
83
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
66 sb.append(toHexByte(ch, hexByte));
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
67 } else if ((ch >= '~' /*126*/ && ch <= 255) || ch < ' ' /*32*/) {
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
68 sb.append('~');
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
69 sb.append(toHexByte(ch, hexByte));
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
70 } else if (ch == '_') {
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
71 sb.append('_');
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
72 sb.append('_');
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
73 } else {
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
74 sb.append(ch);
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
75 }
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
76 }
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
77 // auxencode
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
78 if (fncache) {
83
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
79 encodeWindowsDeviceNames(sb);
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
80 }
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
81 }
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
82 final int MAX_PATH_LEN = 120;
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
83 if (fncache && (sb.length() + STR_DATA.length() + ".i".length() > MAX_PATH_LEN)) {
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
84 String digest = new DigestHelper().sha1(STR_DATA, path, ".i").asHexString();
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
85 final int DIR_PREFIX_LEN = 8;
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
86 // not sure why (-4) is here. 120 - 40 = up to 80 for path with ext. dh/ + ext(.i) = 3+2
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
87 final int MAX_DIR_PREFIX = 8 * (DIR_PREFIX_LEN + 1) - 4;
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
88 sb = new StringBuilder(MAX_PATH_LEN);
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
89 for (int i = 0; i < path.length(); i++) {
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
90 final char ch = path.charAt(i);
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
91 if (ch >= 'a' && ch <= 'z') {
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
92 sb.append(ch);
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
93 } else if (ch >= 'A' && ch <= 'Z') {
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
94 sb.append((char) (ch | 0x20)); // lowercase
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
95 } else if (reservedChars.indexOf(ch) != -1) {
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
96 sb.append('~');
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
97 sb.append(toHexByte(ch, hexByte));
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
98 } else if ((ch >= '~' /*126*/ && ch <= 255) || ch < ' ' /*32*/) {
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
99 sb.append('~');
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
100 sb.append(toHexByte(ch, hexByte));
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
101 } else {
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
102 sb.append(ch);
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
103 }
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
104 }
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
105 encodeWindowsDeviceNames(sb);
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
106 int fnameStart = sb.lastIndexOf("/"); // since we rewrite file names, it never ends with slash (for dirs, I'd pass length-2);
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
107 StringBuilder completeHashName = new StringBuilder(MAX_PATH_LEN);
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
108 completeHashName.append(STR_STORE);
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
109 completeHashName.append(STR_DH);
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
110 if (fnameStart == -1) {
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
111 // no dirs, just long filename
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
112 sb.setLength(MAX_PATH_LEN - 40 /*digest.length()*/ - STR_DH.length() - ".i".length());
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
113 completeHashName.append(sb);
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
114 } else {
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
115 StringBuilder sb2 = new StringBuilder(MAX_PATH_LEN);
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
116 int x = 0;
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
117 do {
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
118 int i = sb.indexOf("/", x);
83
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
119 final int sb2Len = sb2.length();
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
120 if (i-x <= DIR_PREFIX_LEN) { // a b c d e f g h /
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
121 sb2.append(sb, x, i + 1); // with slash
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
122 } else {
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
123 sb2.append(sb, x, x + DIR_PREFIX_LEN);
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
124 // may unexpectedly end with bad character
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
125 final int last = sb2.length()-1;
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
126 char lastChar = sb2.charAt(last);
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
127 assert lastChar == sb.charAt(x + DIR_PREFIX_LEN - 1);
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
128 if (lastChar == '.' || lastChar == ' ') {
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
129 sb2.setCharAt(last, '_');
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
130 }
83
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
131 sb2.append('/');
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
132 }
83
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
133 if (sb2.length()-1 > MAX_DIR_PREFIX) {
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
134 sb2.setLength(sb2Len); // strip off last segment, it's too much
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
135 break;
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
136 }
83
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
137 x = i+1;
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
138 } while (x < fnameStart);
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
139 assert sb2.charAt(sb2.length() - 1) == '/';
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
140 int left = MAX_PATH_LEN - sb2.length() - 40 /*digest.length()*/ - STR_DH.length() - ".i".length();
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
141 assert left >= 0;
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
142 fnameStart++; // move from / to actual name
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
143 sb2.append(sb, fnameStart, fnameStart + left > sb.length() ? sb.length() : fnameStart+left);
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
144 completeHashName.append(sb2);
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
145 }
83
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
146 completeHashName.append(digest);
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
147 sb = completeHashName;
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
148 } else if (store) {
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
149 sb.insert(0, STR_STORE + STR_DATA);
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
150 }
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
151 sb.append(".i");
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
152 return sb.toString();
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
153 }
83
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
154
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
155 private void encodeWindowsDeviceNames(StringBuilder sb) {
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
156 char[] hexByte = new char[2];
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
157 int x = 0; // last segment start
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
158 final TreeSet<String> windowsReservedFilenames = new TreeSet<String>();
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
159 windowsReservedFilenames.addAll(Arrays.asList("con prn aux nul com1 com2 com3 com4 com5 com6 com7 com8 com9 lpt1 lpt2 lpt3 lpt4 lpt5 lpt6 lpt7 lpt8 lpt9".split(" ")));
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
160 do {
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
161 int i = sb.indexOf("/", x);
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
162 if (i == -1) {
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
163 i = sb.length();
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
164 }
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
165 // windows reserved filenames are at least of length 3
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
166 if (i - x >= 3) {
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
167 boolean found = false;
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
168 if (i-x == 3 || i-x == 4) {
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
169 found = windowsReservedFilenames.contains(sb.subSequence(x, i));
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
170 } else if (sb.charAt(x+3) == '.') { // implicit i-x > 3
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
171 found = windowsReservedFilenames.contains(sb.subSequence(x, x+3));
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
172 } else if (i-x > 4 && sb.charAt(x+4) == '.') {
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
173 found = windowsReservedFilenames.contains(sb.subSequence(x, x+4));
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
174 }
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
175 if (found) {
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
176 sb.insert(x+3, toHexByte(sb.charAt(x+2), hexByte));
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
177 sb.setCharAt(x+2, '~');
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
178 i += 2;
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
179 }
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
180 }
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
181 if (dotencode && (sb.charAt(x) == '.' || sb.charAt(x) == ' ')) {
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
182 sb.insert(x+1, toHexByte(sb.charAt(x), hexByte));
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
183 sb.setCharAt(x, '~'); // setChar *after* charAt/insert to get ~2e, not ~7e for '.'
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
184 i += 2;
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
185 }
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
186 x = i+1;
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
187 } while (x < sb.length());
a5275143664c Complete path hash calculation of fncache requirement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 80
diff changeset
188 }
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
189
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
190 private static char[] toHexByte(int ch, char[] buf) {
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
191 assert buf.length > 1;
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
192 final String hexDigits = "0123456789abcdef";
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
193 buf[0] = hexDigits.charAt((ch & 0x00F0) >>> 4);
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
194 buf[1] = hexDigits.charAt(ch & 0x0F);
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
195 return buf;
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
196 }
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
197 }