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
  25 #include <ctype.h>
  26 #include <stdlib.h>
  27 #include <string.h>
  28
  29 GList *
  30 string_list_free(GList *string_list)
  31 {
  32         GList *list = g_list_first(string_list);
  33
  34         while (list) {
  35                 g_free(list->data);
  36                 list->data = NULL;
  37                 list = list->next;
  38         }
  39
  40         g_list_free(string_list);
  41         return NULL;
  42 }
  43
  44 GList *
  45 string_list_find(GList *string_list, const gchar *str)
  46 {
  47         GList *list = g_list_first(string_list);
  48
  49         while(list) {
  50                 if( strcmp(str, (gchar *) list->data) ==  0 )
  51                         return list;
  52                 list = list->next;
  53         }
  54         return NULL;
  55 }
  56
  57 GList *
  58 string_list_remove(GList *string_list, const gchar *str)
  59 {
  60         GList *list = g_list_first(string_list);
  61
  62         while(list) {
  63                 if( strcmp(str, (gchar *) list->data) ==  0 ) {
  64                         g_free(list->data);
  65                         list->data = NULL;
  66                         return g_list_delete_link(string_list, list);
  67                 }
  68                 list = list->next;
  69         }
  70         return list;
  71 }
  72
  73 /* create a list suitable for GCompletion from path */
  74 GList *
  75 gcmp_list_from_path(mpdclient_t *c, const gchar *path, GList *list, gint types)
  76 {
  77         guint i;
  78         mpdclient_filelist_t *filelist;
  79
  80         if ((filelist = mpdclient_filelist_get(c, path)) == NULL)
  81                 return list;
  82
  83         for (i = 0; i < filelist_length(filelist); ++i) {
  84                 const struct filelist_entry *entry = filelist_get(filelist, i);
  85                 const struct mpd_entity *entity = entry ? entry->entity : NULL;
  86                 char *name = NULL;
  87
  88                 if (entity != NULL &&
  89                     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 (entity != NULL &&
 101                            mpd_entity_get_type(entity) == MPD_ENTITY_TYPE_SONG &&
 102                            types & GCMP_TYPE_FILE) {
 103                         const struct mpd_song *song =
 104                                 mpd_entity_get_song(entity);
 105                         name = utf8_to_locale(mpd_song_get_uri(song));
 106                 } else if (entity != NULL &&
 107                            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                 }
 113
 114                 if (name)
 115                         list = g_list_append(list, name);
 116         }
 117
 118         filelist_free(filelist);
 119         return list;
 120 }
 121
 122 char *
 123 time_seconds_to_durationstr(unsigned long time_seconds)
 124 {
 125         const char *year = _("year");
 126         const char *years = _("years");
 127         const char *week = _("week");
 128         const char *weeks = _("weeks");
 129         const char *day = _("day");
 130         const char *days = _("days");
 131         char *duration;
 132         char *iter;
 133         unsigned bytes_written = 0;
 134         unsigned length = utf8_width(years) +
 135                 utf8_width(weeks) + utf8_width(days) + 32;
 136
 137         duration = g_malloc(length);
 138         iter = duration;
 139         if (time_seconds / 31536000 > 0) {
 140                 if (time_seconds / 31536000 == 1)
 141                         bytes_written = g_snprintf(iter, length, "%d %s, ", 1, year);
 142                 else
 143                         bytes_written = g_snprintf(iter, length, "%lu %s, ", time_seconds / 31536000, years);
 144                 time_seconds %= 31536000;
 145                 length -= bytes_written;
 146                 iter += bytes_written;
 147         }
 148         if (time_seconds / 604800 > 0) {
 149                 if (time_seconds / 604800 == 1)
 150                         bytes_written = g_snprintf(iter, length, "%d %s, ", 1, week);
 151                 else
 152                         bytes_written = g_snprintf(iter, length, "%lu %s, ", time_seconds / 604800, weeks);
 153                 time_seconds %= 604800;
 154                 length -= bytes_written;
 155                 iter += bytes_written;
 156         }
 157         if (time_seconds / 86400 > 0) {
 158                 if (time_seconds / 86400 == 1)
 159                         bytes_written = g_snprintf(iter, length, "%d %s, ", 1, day);
 160                 else
 161                         bytes_written = g_snprintf(iter, length, "%lu %s, ", time_seconds / 86400, days);
 162                 time_seconds %= 86400;
 163                 length -= bytes_written;
 164                 iter += bytes_written;
 165         }
 166         g_snprintf(iter, length, "%02lu:%02lu:%02lu",
 167                         time_seconds / 3600,
 168                         time_seconds % 3600 / 60,
 169                         time_seconds % 3600 % 60);
 170         return duration;
 171 }
 172
 173