lib/skin/ini-file.c

   1 /*
   2    Skins engine.
   3    Reading and parse ini-files
   4
   5    Copyright (C) 2009-2025
   6    Free Software Foundation, Inc.
   7
   8    Written by:
   9    Slava Zanko <slavazanko@gmail.com>, 2009.
  10
  11    This file is part of the Midnight Commander.
  12
  13    The Midnight Commander is free software: you can redistribute it
  14    and/or modify it under the terms of the GNU General Public License as
  15    published by the Free Software Foundation, either version 3 of the License,
  16    or (at your option) any later version.
  17
  18    The Midnight Commander is distributed in the hope that it will be useful,
  19    but WITHOUT ANY WARRANTY; without even the implied warranty of
  20    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21    GNU General Public License for more details.
  22
  23    You should have received a copy of the GNU General Public License
  24    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  25  */
  26
  27 #include <config.h>
  28
  29 #include <string.h>
  30
  31 #include "lib/global.h"         /* <glib.h> */
  32
  33 #include "internal.h"
  34 #include "lib/fileloc.h"
  35 #include "lib/util.h"           /* exist_file() */
  36
  37 /*** global variables ****************************************************************************/
  38
  39 /*** file scope macro definitions ****************************************************************/
  40
  41 /*** file scope type declarations ****************************************************************/
  42
  43 /*** forward declarations (file scope functions) *************************************************/
  44
  45 /*** file scope variables ************************************************************************/
  46
  47 /* --------------------------------------------------------------------------------------------- */
  48 /*** file scope functions ************************************************************************/
  49 /* --------------------------------------------------------------------------------------------- */
  50
  51 static void
  52 mc_skin_get_list_from_dir (const gchar *base_dir, GPtrArray *list)
  53 {
  54     gchar *name;
  55     GDir *dir;
  56
  57     name = g_build_filename (base_dir, MC_SKINS_DIR, (char *) NULL);
  58     dir = g_dir_open (name, 0, NULL);
  59     g_free (name);
  60
  61     if (dir != NULL)
  62     {
  63         const gchar *cname;
  64
  65         while ((cname = g_dir_read_name (dir)) != NULL)
  66         {
  67             gchar *sname;
  68             size_t slen;
  69             unsigned int i;
  70
  71             slen = strlen (cname);
  72             sname = g_strndup (cname, slen);
  73
  74             if (slen > 4 && strcmp (sname + slen - 4, ".ini") == 0)
  75                 sname[slen - 4] = '\0';
  76
  77             for (i = 0; i < list->len; i++)
  78                 if (strcmp (sname, g_ptr_array_index (list, i)) == 0)
  79                     break;
  80
  81             if (i < list->len)
  82                 g_free (sname);
  83             else
  84                 g_ptr_array_add (list, sname);
  85         }
  86
  87         g_dir_close (dir);
  88     }
  89 }
  90
  91 /* --------------------------------------------------------------------------------------------- */
  92
  93 static int
  94 string_array_comparator (gconstpointer a, gconstpointer b)
  95 {
  96     return strcmp (*(char *const *) a, *(char *const *) b);
  97 }
  98
  99 /* --------------------------------------------------------------------------------------------- */
 100
 101 static gboolean
 102 mc_skin_ini_file_load_search_in_dir (mc_skin_t *mc_skin, const gchar *base_dir)
 103 {
 104     char *file_name, *file_name2;
 105
 106     file_name = g_build_filename (base_dir, MC_SKINS_DIR, mc_skin->name, (char *) NULL);
 107     if (exist_file (file_name))
 108     {
 109         mc_skin->config = mc_config_init (file_name, TRUE);
 110         g_free (file_name);
 111         return (mc_skin->config != NULL);
 112     }
 113     g_free (file_name);
 114
 115     file_name2 = g_strdup_printf ("%s.ini", mc_skin->name);
 116     file_name = g_build_filename (base_dir, MC_SKINS_DIR, file_name2, (char *) NULL);
 117     g_free (file_name2);
 118
 119     if (exist_file (file_name))
 120     {
 121         mc_skin->config = mc_config_init (file_name, TRUE);
 122         g_free (file_name);
 123         return (mc_skin->config != NULL);
 124     }
 125     g_free (file_name);
 126     return FALSE;
 127 }
 128
 129 /* --------------------------------------------------------------------------------------------- */
 130 /*** public functions ****************************************************************************/
 131 /* --------------------------------------------------------------------------------------------- */
 132
 133 GPtrArray *
 134 mc_skin_list (void)
 135 {
 136     GPtrArray *list;
 137
 138     list = g_ptr_array_new_with_free_func (g_free);
 139     mc_skin_get_list_from_dir (mc_config_get_data_path (), list);
 140     mc_skin_get_list_from_dir (mc_global.sysconfig_dir, list);
 141     mc_skin_get_list_from_dir (mc_global.share_data_dir, list);
 142     g_ptr_array_sort (list, (GCompareFunc) string_array_comparator);
 143
 144     return list;
 145 }
 146
 147 /* --------------------------------------------------------------------------------------------- */
 148
 149 gboolean
 150 mc_skin_ini_file_load (mc_skin_t *mc_skin)
 151 {
 152     char *file_name;
 153
 154     file_name = g_path_get_basename (mc_skin->name);
 155     if (file_name == NULL)
 156         return FALSE;
 157
 158     if (strcmp (file_name, mc_skin->name) != 0)
 159     {
 160         g_free (file_name);
 161         if (!g_path_is_absolute (mc_skin->name))
 162             return FALSE;
 163         mc_skin->config = mc_config_init (mc_skin->name, TRUE);
 164         return (mc_skin->config != NULL);
 165     }
 166     g_free (file_name);
 167
 168     /* ${XDG_DATA_HOME}/mc/skins/ */
 169     if (mc_skin_ini_file_load_search_in_dir (mc_skin, mc_config_get_data_path ()))
 170         return TRUE;
 171
 172     /* /etc/mc/skins/ */
 173     if (mc_skin_ini_file_load_search_in_dir (mc_skin, mc_global.sysconfig_dir))
 174         return TRUE;
 175
 176     /* /usr/share/mc/skins/ */
 177     return mc_skin_ini_file_load_search_in_dir (mc_skin, mc_global.share_data_dir);
 178 }
 179
 180 /* --------------------------------------------------------------------------------------------- */
 181
 182 gboolean
 183 mc_skin_ini_file_parse (mc_skin_t *mc_skin)
 184 {
 185     mc_skin->description =
 186         mc_config_get_string (mc_skin->config, "skin", "description", "- no description -");
 187     if (!mc_skin_color_parse_ini_file (mc_skin))
 188         return FALSE;
 189
 190     mc_skin_lines_parse_ini_file (mc_skin);
 191     mc_skin->have_256_colors = mc_config_get_bool (mc_skin->config, "skin", "256colors", FALSE);
 192     mc_skin->have_true_colors = mc_config_get_bool (mc_skin->config, "skin", "truecolors", FALSE);
 193
 194     return TRUE;
 195 }
 196
 197 /* --------------------------------------------------------------------------------------------- */
 198
 199 void
 200 mc_skin_set_hardcoded_skin (mc_skin_t *mc_skin)
 201 {
 202     mc_skin->config = mc_config_init (NULL, TRUE);
 203
 204     mc_config_set_string (mc_skin->config, "skin", "description", "hardcoded skin");
 205
 206     mc_skin_hardcoded_ugly_lines (mc_skin);
 207     mc_skin_hardcoded_blackwhite_colors (mc_skin);
 208 }
 209
 210 /* --------------------------------------------------------------------------------------------- */