src/utils.c

   1 /* ncmpc (Ncurses MPD Client)
   2  * (c) 2004-2017 The Music Player Daemon Project
   3  * Project homepage: http://musicpd.org
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   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  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18  */
  19
  20 #include "utils.h"
  21 #include "options.h"
  22 #include "charset.h"
  23 #include "i18n.h"
  24 #include "mpdclient.h"
  25
  26 #include <ctype.h>
  27 #include <stdlib.h>
  28 #include <string.h>
  29
  30 GList *
  31 string_list_free(GList *string_list)
  32 {
  33         GList *list = g_list_first(string_list);
  34
  35         while (list) {
  36                 g_free(list->data);
  37                 list->data = NULL;
  38                 list = list->next;
  39         }
  40
  41         g_list_free(string_list);
  42         return NULL;
  43 }
  44
  45 GList *
  46 string_list_find(GList *string_list, const gchar *str)
  47 {
  48         GList *list = g_list_first(string_list);
  49
  50         while(list) {
  51                 if( strcmp(str, (gchar *) list->data) ==  0 )
  52                         return list;
  53                 list = list->next;
  54         }
  55         return NULL;
  56 }
  57
  58 GList *
  59 string_list_remove(GList *string_list, const gchar *str)
  60 {
  61         GList *list = g_list_first(string_list);
  62
  63         while(list) {
  64                 if( strcmp(str, (gchar *) list->data) ==  0 ) {
  65                         g_free(list->data);
  66                         list->data = NULL;
  67                         return g_list_delete_link(string_list, list);
  68                 }
  69                 list = list->next;
  70         }
  71         return list;
  72 }
  73
  74 /* create a list suitable for GCompletion from path */
  75 GList *
  76 gcmp_list_from_path(struct mpdclient *c, const gchar *path,
  77                     GList *list, gint types)
  78 {
  79         struct mpd_connection *connection = mpdclient_get_connection(c);
  80         if (connection == NULL)
  81                 return list;
  82
  83         mpd_send_list_meta(connection, path);
  84
  85         struct mpd_entity *entity;
  86         while ((entity = mpd_recv_entity(connection)) != NULL) {
  87                 char *name;
  88
  89                 if (mpd_entity_get_type(entity) == MPD_ENTITY_TYPE_DIRECTORY &&
  90                     types & GCMP_TYPE_DIR) {
  91                         const struct mpd_directory *dir =
  92                                 mpd_entity_get_directory(entity);
  93                         gchar *tmp = utf8_to_locale(mpd_directory_get_path(dir));
  94                         gsize size = strlen(tmp)+2;
  95
  96                         name = g_malloc(size);
  97                         g_strlcpy(name, tmp, size);
  98                         g_strlcat(name, "/", size);
  99                         g_free(tmp);
 100                 } else if (mpd_entity_get_type(entity) == MPD_ENTITY_TYPE_SONG &&
 101                            types & GCMP_TYPE_FILE) {
 102                         const struct mpd_song *song =
 103                                 mpd_entity_get_song(entity);
 104                         name = utf8_to_locale(mpd_song_get_uri(song));
 105                 } else if (mpd_entity_get_type(entity) == MPD_ENTITY_TYPE_PLAYLIST &&
 106                            types & GCMP_TYPE_PLAYLIST) {
 107                         const struct mpd_playlist *playlist =
 108                                 mpd_entity_get_playlist(entity);
 109                         name = utf8_to_locale(mpd_playlist_get_path(playlist));
 110                 } else {
 111                         mpd_entity_free(entity);
 112                         continue;
 113                 }
 114
 115                 list = g_list_append(list, name);
 116                 mpd_entity_free(entity);
 117         }
 118
 119         return list;
 120 }
 121
 122 void
 123 format_duration_short(char *buffer, size_t length, unsigned duration)
 124 {
 125         if (duration < 3600)
 126                 g_snprintf(buffer, length,
 127                            "%i:%02i", duration / 60, duration % 60);
 128         else
 129                 g_snprintf(buffer, length,
 130                            "%i:%02i:%02i", duration / 3600,
 131                            (duration % 3600) / 60, duration % 60);
 132 }
 133
 134 void
 135 format_duration_long(char *p, size_t length, unsigned long duration)
 136 {
 137         unsigned bytes_written = 0;
 138
 139         if (duration / 31536000 > 0) {
 140                 if (duration / 31536000 == 1)
 141                         bytes_written = g_snprintf(p, length, "%d %s, ", 1, _("year"));
 142                 else
 143                         bytes_written = g_snprintf(p, length, "%lu %s, ", duration / 31536000, _("years"));
 144                 duration %= 31536000;
 145                 length -= bytes_written;
 146                 p += bytes_written;
 147         }
 148         if (duration / 604800 > 0) {
 149                 if (duration / 604800 == 1)
 150                         bytes_written = g_snprintf(p, length, "%d %s, ",
 151                                                    1, _("week"));
 152                 else
 153                         bytes_written = g_snprintf(p, length, "%lu %s, ",
 154                                                    duration / 604800, _("weeks"));
 155                 duration %= 604800;
 156                 length -= bytes_written;
 157                 p += bytes_written;
 158         }
 159         if (duration / 86400 > 0) {
 160                 if (duration / 86400 == 1)
 161                         bytes_written = g_snprintf(p, length, "%d %s, ",
 162                                                    1, _("day"));
 163                 else
 164                         bytes_written = g_snprintf(p, length, "%lu %s, ",
 165                                                    duration / 86400, _("days"));
 166                 duration %= 86400;
 167                 length -= bytes_written;
 168                 p += bytes_written;
 169         }
 170
 171         g_snprintf(p, length, "%02lu:%02lu:%02lu", duration / 3600,
 172                    duration % 3600 / 60, duration % 3600 % 60);
 173 }