src/utils.c

   1 /* ncmpc (Ncurses MPD Client)
   2  * (c) 2004-2009 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 #include "filelist.h"
  26
  27 #include <ctype.h>
  28 #include <stdlib.h>
  29 #include <string.h>
  30
  31 GList *
  32 string_list_free(GList *string_list)
  33 {
  34         GList *list = g_list_first(string_list);
  35
  36         while (list) {
  37                 g_free(list->data);
  38                 list->data = NULL;
  39                 list = list->next;
  40         }
  41
  42         g_list_free(string_list);
  43         return NULL;
  44 }
  45
  46 GList *
  47 string_list_find(GList *string_list, const gchar *str)
  48 {
  49         GList *list = g_list_first(string_list);
  50
  51         while(list) {
  52                 if( strcmp(str, (gchar *) list->data) ==  0 )
  53                         return list;
  54                 list = list->next;
  55         }
  56         return NULL;
  57 }
  58
  59 GList *
  60 string_list_remove(GList *string_list, const gchar *str)
  61 {
  62         GList *list = g_list_first(string_list);
  63
  64         while(list) {
  65                 if( strcmp(str, (gchar *) list->data) ==  0 ) {
  66                         g_free(list->data);
  67                         list->data = NULL;
  68                         return g_list_delete_link(string_list, list);
  69                 }
  70                 list = list->next;
  71         }
  72         return list;
  73 }
  74
  75 /* create a list suitable for GCompletion from path */
  76 GList *
  77 gcmp_list_from_path(struct mpdclient *c, const gchar *path,
  78                     GList *list, gint types)
  79 {
  80         guint i;
  81         struct filelist *filelist;
  82
  83         if ((filelist = mpdclient_filelist_get(c, path)) == NULL)
  84                 return list;
  85
  86         for (i = 0; i < filelist_length(filelist); ++i) {
  87                 const struct filelist_entry *entry = filelist_get(filelist, i);
  88                 const struct mpd_entity *entity = entry ? entry->entity : NULL;
  89                 char *name = NULL;
  90
  91                 if (entity != NULL &&
  92                     mpd_entity_get_type(entity) == MPD_ENTITY_TYPE_DIRECTORY &&
  93                     types & GCMP_TYPE_DIR) {
  94                         const struct mpd_directory *dir =
  95                                 mpd_entity_get_directory(entity);
  96                         gchar *tmp = utf8_to_locale(mpd_directory_get_path(dir));
  97                         gsize size = strlen(tmp)+2;
  98
  99                         name = g_malloc(size);
 100                         g_strlcpy(name, tmp, size);
 101                         g_strlcat(name, "/", size);
 102                         g_free(tmp);
 103                 } else if (entity != NULL &&
 104                            mpd_entity_get_type(entity) == MPD_ENTITY_TYPE_SONG &&
 105                            types & GCMP_TYPE_FILE) {
 106                         const struct mpd_song *song =
 107                                 mpd_entity_get_song(entity);
 108                         name = utf8_to_locale(mpd_song_get_uri(song));
 109                 } else if (entity != NULL &&
 110                            mpd_entity_get_type(entity) == MPD_ENTITY_TYPE_PLAYLIST &&
 111                            types & GCMP_TYPE_PLAYLIST) {
 112                         const struct mpd_playlist *playlist =
 113                                 mpd_entity_get_playlist(entity);
 114                         name = utf8_to_locale(mpd_playlist_get_path(playlist));
 115                 }
 116
 117                 if (name)
 118                         list = g_list_append(list, name);
 119         }
 120
 121         filelist_free(filelist);
 122         return list;
 123 }
 124
 125 void
 126 format_duration_long(char *p, size_t length, unsigned long duration)
 127 {
 128         const char *year = _("year");
 129         const char *years = _("years");
 130         const char *week = _("week");
 131         const char *weeks = _("weeks");
 132         const char *day = _("day");
 133         const char *days = _("days");
 134         unsigned bytes_written = 0;
 135
 136         if (duration / 31536000 > 0) {
 137                 if (duration / 31536000 == 1)
 138                         bytes_written = g_snprintf(p, length, "%d %s, ", 1, year);
 139                 else
 140                         bytes_written = g_snprintf(p, length, "%lu %s, ", duration / 31536000, years);
 141                 duration %= 31536000;
 142                 length -= bytes_written;
 143                 p += bytes_written;
 144         }
 145         if (duration / 604800 > 0) {
 146                 if (duration / 604800 == 1)
 147                         bytes_written = g_snprintf(p, length, "%d %s, ", 1, week);
 148                 else
 149                         bytes_written = g_snprintf(p, length, "%lu %s, ", duration / 604800, weeks);
 150                 duration %= 604800;
 151                 length -= bytes_written;
 152                 p += bytes_written;
 153         }
 154         if (duration / 86400 > 0) {
 155                 if (duration / 86400 == 1)
 156                         bytes_written = g_snprintf(p, length, "%d %s, ", 1, day);
 157                 else
 158                         bytes_written = g_snprintf(p, length, "%lu %s, ", duration / 86400, days);
 159                 duration %= 86400;
 160                 length -= bytes_written;
 161                 p += bytes_written;
 162         }
 163
 164         g_snprintf(p, length, "%02lu:%02lu:%02lu", duration / 3600,
 165                    duration % 3600 / 60, duration % 3600 % 60);
 166 }