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                 struct filelist_entry *entry = filelist_get(filelist, i);
  85                 mpd_InfoEntity *entity = entry ? entry->entity : NULL;
  86                 char *name = NULL;
  87
  88                 if (entity && entity->type==MPD_INFO_ENTITY_TYPE_DIRECTORY &&
  89                     types & GCMP_TYPE_DIR) {
  90                         mpd_Directory *dir = entity->info.directory;
  91                         gchar *tmp = utf8_to_locale(dir->path);
  92                         gsize size = strlen(tmp)+2;
  93
  94                         name = g_malloc(size);
  95                         g_strlcpy(name, tmp, size);
  96                         g_strlcat(name, "/", size);
  97                         g_free(tmp);
  98                 } else if (entity &&
  99                            entity->type == MPD_INFO_ENTITY_TYPE_SONG &&
 100                            types & GCMP_TYPE_FILE) {
 101                         mpd_Song *song = entity->info.song;
 102                         name = utf8_to_locale(song->file);
 103                 } else if (entity &&
 104                            entity->type == MPD_INFO_ENTITY_TYPE_PLAYLISTFILE &&
 105                            types & GCMP_TYPE_PLAYLIST) {
 106                         mpd_PlaylistFile *plf = entity->info.playlistFile;
 107                         name = utf8_to_locale(plf->path);
 108                 }
 109
 110                 if (name)
 111                         list = g_list_append(list, name);
 112         }
 113
 114         filelist_free(filelist);
 115         return list;
 116 }
 117
 118 char *
 119 time_seconds_to_durationstr(unsigned long time_seconds)
 120 {
 121         const char *year = _("year");
 122         const char *years = _("years");
 123         const char *week = _("week");
 124         const char *weeks = _("weeks");
 125         const char *day = _("day");
 126         const char *days = _("days");
 127         char *duration;
 128         char *iter;
 129         unsigned bytes_written = 0;
 130         unsigned length = utf8_width(years) +
 131                 utf8_width(weeks) + utf8_width(days) + 32;
 132
 133         duration = g_malloc(length);
 134         iter = duration;
 135         if (time_seconds / 31536000 > 0) {
 136                 if (time_seconds / 31536000 == 1)
 137                         bytes_written = g_snprintf(iter, length, "%d %s, ", 1, year);
 138                 else
 139                         bytes_written = g_snprintf(iter, length, "%lu %s, ", time_seconds / 31536000, years);
 140                 time_seconds %= 31536000;
 141                 length -= bytes_written;
 142                 iter += bytes_written;
 143         }
 144         if (time_seconds / 604800 > 0) {
 145                 if (time_seconds / 604800 == 1)
 146                         bytes_written = g_snprintf(iter, length, "%d %s, ", 1, week);
 147                 else
 148                         bytes_written = g_snprintf(iter, length, "%lu %s, ", time_seconds / 604800, weeks);
 149                 time_seconds %= 604800;
 150                 length -= bytes_written;
 151                 iter += bytes_written;
 152         }
 153         if (time_seconds / 86400 > 0) {
 154                 if (time_seconds / 86400 == 1)
 155                         bytes_written = g_snprintf(iter, length, "%d %s, ", 1, day);
 156                 else
 157                         bytes_written = g_snprintf(iter, length, "%lu %s, ", time_seconds / 86400, days);
 158                 time_seconds %= 86400;
 159                 length -= bytes_written;
 160                 iter += bytes_written;
 161         }
 162         g_snprintf(iter, length, "%02lu:%02lu:%02lu",
 163                         time_seconds / 3600,
 164                         time_seconds % 3600 / 60,
 165                         time_seconds % 3600 % 60);
 166         return duration;
 167 }
 168
 169