src/utils.c

   1 /* ncmpc (Ncurses MPD Client)
   2  * (c) 2004-2010 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;
  80         struct mpd_entity *entity;
  81
  82         connection = mpdclient_get_connection(c);
  83         if (connection == NULL)
  84                 return list;
  85
  86         mpd_send_list_meta(connection, path);
  87
  88         while ((entity = mpd_recv_entity(connection)) != NULL) {
  89                 char *name;
  90
  91                 if (mpd_entity_get_type(entity) == MPD_ENTITY_TYPE_DIRECTORY &&
  92                     types & GCMP_TYPE_DIR) {
  93                         const struct mpd_directory *dir =
  94                                 mpd_entity_get_directory(entity);
  95                         gchar *tmp = utf8_to_locale(mpd_directory_get_path(dir));
  96                         gsize size = strlen(tmp)+2;
  97
  98                         name = g_malloc(size);
  99                         g_strlcpy(name, tmp, size);
 100                         g_strlcat(name, "/", size);
 101                         g_free(tmp);
 102                 } else if (mpd_entity_get_type(entity) == MPD_ENTITY_TYPE_SONG &&
 103                            types & GCMP_TYPE_FILE) {
 104                         const struct mpd_song *song =
 105                                 mpd_entity_get_song(entity);
 106                         name = utf8_to_locale(mpd_song_get_uri(song));
 107                 } else if (mpd_entity_get_type(entity) == MPD_ENTITY_TYPE_PLAYLIST &&
 108                            types & GCMP_TYPE_PLAYLIST) {
 109                         const struct mpd_playlist *playlist =
 110                                 mpd_entity_get_playlist(entity);
 111                         name = utf8_to_locale(mpd_playlist_get_path(playlist));
 112                 } else {
 113                         mpd_entity_free(entity);
 114                         continue;
 115                 }
 116
 117                 list = g_list_append(list, name);
 118                 mpd_entity_free(entity);
 119         }
 120
 121         return list;
 122 }
 123
 124 void
 125 format_duration_short(char *buffer, size_t length, unsigned duration)
 126 {
 127         if (duration < 3600)
 128                 g_snprintf(buffer, length,
 129                            "%i:%02i", duration / 60, duration % 60);
 130         else
 131                 g_snprintf(buffer, length,
 132                            "%i:%02i:%02i", duration / 3600,
 133                            (duration % 3600) / 60, duration % 60);
 134 }
 135
 136 void
 137 format_duration_long(char *p, size_t length, unsigned long duration)
 138 {
 139         const char *year = _("year");
 140         const char *years = _("years");
 141         const char *week = _("week");
 142         const char *weeks = _("weeks");
 143         const char *day = _("day");
 144         const char *days = _("days");
 145         unsigned bytes_written = 0;
 146
 147         if (duration / 31536000 > 0) {
 148                 if (duration / 31536000 == 1)
 149                         bytes_written = g_snprintf(p, length, "%d %s, ", 1, year);
 150                 else
 151                         bytes_written = g_snprintf(p, length, "%lu %s, ", duration / 31536000, years);
 152                 duration %= 31536000;
 153                 length -= bytes_written;
 154                 p += bytes_written;
 155         }
 156         if (duration / 604800 > 0) {
 157                 if (duration / 604800 == 1)
 158                         bytes_written = g_snprintf(p, length, "%d %s, ", 1, week);
 159                 else
 160                         bytes_written = g_snprintf(p, length, "%lu %s, ", duration / 604800, weeks);
 161                 duration %= 604800;
 162                 length -= bytes_written;
 163                 p += bytes_written;
 164         }
 165         if (duration / 86400 > 0) {
 166                 if (duration / 86400 == 1)
 167                         bytes_written = g_snprintf(p, length, "%d %s, ", 1, day);
 168                 else
 169                         bytes_written = g_snprintf(p, length, "%lu %s, ", duration / 86400, days);
 170                 duration %= 86400;
 171                 length -= bytes_written;
 172                 p += bytes_written;
 173         }
 174
 175         g_snprintf(p, length, "%02lu:%02lu:%02lu", duration / 3600,
 176                    duration % 3600 / 60, duration % 3600 % 60);
 177 }