1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
|
/*
* Copyright (C) 2003-2011 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h"
#include "directory.h"
#include "song.h"
#include "path.h"
#include "db_visitor.h"
#include <glib.h>
#include <assert.h>
#include <string.h>
#include <stdlib.h>
struct directory *
directory_new(const char *path, struct directory *parent)
{
struct directory *directory;
size_t pathlen = strlen(path);
assert(path != NULL);
assert((*path == 0) == (parent == NULL));
directory = g_malloc0(sizeof(*directory) -
sizeof(directory->path) + pathlen + 1);
directory->parent = parent;
memcpy(directory->path, path, pathlen + 1);
playlist_vector_init(&directory->playlists);
return directory;
}
void
directory_free(struct directory *directory)
{
playlist_vector_deinit(&directory->playlists);
for (unsigned i = 0; i < directory->songs.nr; ++i)
song_free(directory->songs.base[i]);
for (unsigned i = 0; i < directory->children.nr; ++i)
directory_free(directory->children.base[i]);
dirvec_destroy(&directory->children);
songvec_destroy(&directory->songs);
g_free(directory);
/* this resets last dir returned */
/*directory_get_path(NULL); */
}
const char *
directory_get_name(const struct directory *directory)
{
return g_basename(directory->path);
}
void
directory_prune_empty(struct directory *directory)
{
int i;
struct dirvec *dv = &directory->children;
for (i = dv->nr; --i >= 0; ) {
struct directory *child = dv->base[i];
directory_prune_empty(child);
if (directory_is_empty(child)) {
dirvec_delete(dv, child);
directory_free(child);
}
}
if (!dv->nr)
dirvec_destroy(dv);
}
struct directory *
directory_lookup_directory(struct directory *directory, const char *uri)
{
struct directory *cur = directory;
struct directory *found = NULL;
char *duplicated;
char *locate;
assert(uri != NULL);
if (isRootDirectory(uri))
return directory;
duplicated = g_strdup(uri);
locate = strchr(duplicated, '/');
while (1) {
if (locate)
*locate = '\0';
if (!(found = directory_get_child(cur, duplicated)))
break;
assert(cur == found->parent);
cur = found;
if (!locate)
break;
*locate = '/';
locate = strchr(locate + 1, '/');
}
g_free(duplicated);
return found;
}
struct song *
directory_lookup_song(struct directory *directory, const char *uri)
{
char *duplicated, *base;
struct song *song;
assert(directory != NULL);
assert(uri != NULL);
duplicated = g_strdup(uri);
base = strrchr(duplicated, '/');
if (base != NULL) {
*base++ = 0;
directory = directory_lookup_directory(directory, duplicated);
if (directory == NULL) {
g_free(duplicated);
return NULL;
}
} else
base = duplicated;
song = songvec_find(&directory->songs, base);
assert(song == NULL || song->parent == directory);
g_free(duplicated);
return song;
}
void
directory_sort(struct directory *directory)
{
int i;
struct dirvec *dv = &directory->children;
dirvec_sort(dv);
songvec_sort(&directory->songs);
for (i = dv->nr; --i >= 0; )
directory_sort(dv->base[i]);
}
bool
directory_walk(const struct directory *directory, bool recursive,
const struct db_visitor *visitor, void *ctx,
GError **error_r)
{
assert(directory != NULL);
assert(visitor != NULL);
assert(error_r == NULL || *error_r == NULL);
if (visitor->song != NULL) {
const struct songvec *sv = &directory->songs;
for (size_t i = 0; i < sv->nr; ++i)
if (!visitor->song(sv->base[i], ctx, error_r))
return false;
}
if (visitor->playlist != NULL) {
const struct playlist_vector *pv = &directory->playlists;
for (const struct playlist_metadata *i = pv->head;
i != NULL; i = i->next)
if (!visitor->playlist(i, directory, ctx, error_r))
return false;
}
const struct dirvec *dv = &directory->children;
for (size_t i = 0; i < dv->nr; ++i) {
struct directory *child = dv->base[i];
if (visitor->directory != NULL &&
!visitor->directory(child, ctx, error_r))
return false;
if (recursive &&
!directory_walk(child, recursive, visitor, ctx, error_r))
return false;
}
return true;
}
|
