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examples/disorder.init.in: Read settings from `/etc/default/disorder'.
[disorder] / lib / trackname.c
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460b9539 1/*
2 * This file is part of DisOrder
eb525fcd 3 * Copyright (C) 2005, 2006, 2007 Richard Kettlewell
460b9539 4 *
e7eb3a27 5 * This program is free software: you can redistribute it and/or modify
460b9539 6 * it under the terms of the GNU General Public License as published by
e7eb3a27 7 * the Free Software Foundation, either version 3 of the License, or
460b9539 8 * (at your option) any later version.
e7eb3a27
RK
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
460b9539 15 * You should have received a copy of the GNU General Public License
e7eb3a27 16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
460b9539 17 */
132a5a4a
RK
18/** @file lib/trackname.c
19 * @brief Track name calculation
20 */
05b75f8d 21#include "common.h"
460b9539 22#include <fnmatch.h>
460b9539 23
24#include "trackname.h"
25#include "configuration.h"
26#include "regsub.h"
27#include "log.h"
28#include "filepart.h"
c85b7022 29#include "unicode.h"
460b9539 30
d1694464 31const struct collection *find_track_collection(const char *track) {
460b9539 32 int n;
33 size_t l, tl = strlen(track);
34
35 for(n = 0; n < config->collection.n; ++n) {
36 l = strlen(config->collection.s[n].root);
37 if(tl > l
38 && !strncmp(track, config->collection.s[n].root, l)
39 && track[l] == '/')
40 break;
41 }
d1694464 42 if(n < config->collection.n)
43 return &config->collection.s[n];
44 else
a8747834 45 return 0;
d1694464 46}
47
48const char *find_track_root(const char *track) {
49 const struct collection *c = find_track_collection(track);
50 if(c)
51 return c->root;
c7a422cb
RK
52 /* Suppress this message for scratches */
53 for(int n = 0; n < config->scratch.n; ++n)
54 if(!strcmp(track, config->scratch.s[n]))
55 return 0;
2e9ba080 56 disorder_error(0, "found track in no collection '%s'", track);
d1694464 57 return 0;
460b9539 58}
59
60const char *track_rootless(const char *track) {
61 const char *root;
62
63 if(!(root = find_track_root(track))) return 0;
64 return track + strlen(root);
65}
66
67const char *trackname_part(const char *track,
68 const char *context,
69 const char *part) {
70 int n;
71 const char *replaced, *rootless;
72
73 assert(track != 0);
74 if(!strcmp(part, "path")) return track;
75 if(!strcmp(part, "ext")) return extension(track);
76 if((rootless = track_rootless(track))) track = rootless;
77 for(n = 0; n < config->namepart.n; ++n) {
78 if(!strcmp(config->namepart.s[n].part, part)
79 && fnmatch(config->namepart.s[n].context, context, 0) == 0) {
80 if((replaced = regsub(config->namepart.s[n].re,
81 track,
82 config->namepart.s[n].replace,
83 config->namepart.s[n].reflags
84 |REGSUB_MUST_MATCH
85 |REGSUB_REPLACE)))
86 return replaced;
87 }
88 }
89 return "";
90}
91
92const char *trackname_transform(const char *type,
93 const char *subject,
94 const char *context) {
95 const char *replaced;
96 int n;
97 const struct transform *k;
98
99 for(n = 0; n < config->transform.n; ++n) {
100 k = &config->transform.t[n];
101 if(strcmp(k->type, type))
102 continue;
103 if(fnmatch(k->context, context, 0) != 0)
104 continue;
105 if((replaced = regsub(k->re, subject, k->replace, k->flags)))
106 subject = replaced;
107 }
108 return subject;
109}
110
460b9539 111/*
112Local Variables:
113c-basic-offset:2
114comment-column:40
115fill-column:79
116End:
117*/