lib/skin/ini-file.c

   1 /*
   2    Skins engine.
   3    Reading and parse ini-files
   4
   5    Copyright (C) 2009-2016
   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 /*** file scope variables ************************************************************************/
  44
  45 /*** file scope functions ************************************************************************/
  46
  47 /* --------------------------------------------------------------------------------------------- */
  48
  49 static void
  50 mc_skin_get_list_from_dir (const gchar * base_dir, GPtrArray * list)
  51 {
  52     gchar *name;
  53     GDir *dir;
  54
  55     name = g_build_filename (base_dir, MC_SKINS_SUBDIR, (char *) NULL);
  56     dir = g_dir_open (name, 0, NULL);
  57     g_free (name);
  58
  59     if (dir != NULL)
  60     {
  61         while ((name = (gchar *) g_dir_read_name (dir)) != NULL)
  62         {
  63             gchar *sname;
  64             size_t slen;
  65             unsigned int i;
  66
  67             slen = strlen (name);
  68             sname = g_strndup (name, slen);
  69
  70             if (slen > 4 && strcmp (sname + slen - 4, ".ini") == 0)
  71                 sname[slen - 4] = '\0';
  72
  73             for (i = 0; i < list->len; i++)
  74                 if (strcmp (sname, g_ptr_array_index (list, i)) == 0)
  75                     break;
  76
  77             if (i < list->len)
  78                 g_free (sname);
  79             else
  80                 g_ptr_array_add (list, sname);
  81         }
  82
  83         g_dir_close (dir);
  84     }
  85 }
  86
  87 /* --------------------------------------------------------------------------------------------- */
  88
  89 static int
  90 string_array_comparator (gconstpointer a, gconstpointer b)
  91 {
  92     char *aa = *(char **) a;
  93     char *bb = *(char **) b;
  94
  95     return strcmp (aa, bb);
  96 }
  97
  98 /* --------------------------------------------------------------------------------------------- */
  99
 100 static gboolean
 101 mc_skin_ini_file_load_search_in_dir (mc_skin_t * mc_skin, const gchar * base_dir)
 102 {
 103     char *file_name, *file_name2;
 104
 105     file_name = g_build_filename (base_dir, MC_SKINS_SUBDIR, mc_skin->name, NULL);
 106     if (exist_file (file_name))
 107     {
 108         mc_skin->config = mc_config_init (file_name, TRUE);
 109         g_free (file_name);
 110         return (mc_skin->config != NULL);
 111     }
 112     g_free (file_name);
 113
 114     file_name2 = g_strdup_printf ("%s.ini", mc_skin->name);
 115     file_name = g_build_filename (base_dir, MC_SKINS_SUBDIR, file_name2, NULL);
 116     g_free (file_name2);
 117
 118     if (exist_file (file_name))
 119     {
 120         mc_skin->config = mc_config_init (file_name, TRUE);
 121         g_free (file_name);
 122         return (mc_skin->config != NULL);
 123     }
 124     g_free (file_name);
 125     return FALSE;
 126 }
 127
 128 /* --------------------------------------------------------------------------------------------- */
 129 /*** public functions ****************************************************************************/
 130 /* --------------------------------------------------------------------------------------------- */
 131
 132 GPtrArray *
 133 mc_skin_list (void)
 134 {
 135     GPtrArray *list;
 136
 137     list = g_ptr_array_new ();
 138     mc_skin_get_list_from_dir (mc_config_get_data_path (), list);
 139     mc_skin_get_list_from_dir (mc_global.sysconfig_dir, list);
 140     mc_skin_get_list_from_dir (mc_global.share_data_dir, list);
 141     g_ptr_array_sort (list, (GCompareFunc) string_array_comparator);
 142
 143     return list;
 144 }
 145
 146 /* --------------------------------------------------------------------------------------------- */
 147
 148 gboolean
 149 mc_skin_ini_file_load (mc_skin_t * mc_skin)
 150 {
 151     char *file_name;
 152
 153     file_name = g_path_get_basename (mc_skin->name);
 154     if (file_name == NULL)
 155         return FALSE;
 156
 157     if (strcmp (file_name, mc_skin->name) != 0)
 158     {
 159         g_free (file_name);
 160         if (!g_path_is_absolute (mc_skin->name))
 161             return FALSE;
 162         mc_skin->config = mc_config_init (mc_skin->name, TRUE);
 163         return (mc_skin->config != NULL);
 164     }
 165     g_free (file_name);
 166
 167     /* ${XDG_DATA_HOME}/mc/skins/ */
 168     if (mc_skin_ini_file_load_search_in_dir (mc_skin, mc_config_get_data_path ()))
 169         return TRUE;
 170
 171     /* /etc/mc/skins/ */
 172     if (mc_skin_ini_file_load_search_in_dir (mc_skin, mc_global.sysconfig_dir))
 173         return TRUE;
 174
 175     /* /usr/share/mc/skins/ */
 176     return mc_skin_ini_file_load_search_in_dir (mc_skin, mc_global.share_data_dir);
 177 }
 178
 179 /* --------------------------------------------------------------------------------------------- */
 180
 181 gboolean
 182 mc_skin_ini_file_parse (mc_skin_t * mc_skin)
 183 {
 184     mc_skin->description =
 185         mc_config_get_string (mc_skin->config, "skin", "description", "- no description -");
 186     if (!mc_skin_color_parse_ini_file (mc_skin))
 187         return FALSE;
 188
 189     mc_skin_lines_parse_ini_file (mc_skin);
 190     mc_skin->have_256_colors = mc_config_get_bool (mc_skin->config, "skin", "256colors", FALSE);
 191
 192     return TRUE;
 193 }
 194
 195 /* --------------------------------------------------------------------------------------------- */
 196
 197 void
 198 mc_skin_set_hardcoded_skin (mc_skin_t * mc_skin)
 199 {
 200     mc_skin->config = mc_config_init (NULL, TRUE);
 201
 202     mc_config_set_string (mc_skin->config, "skin", "description", "hardcoded skin");
 203
 204     mc_skin_hardcoded_ugly_lines (mc_skin);
 205     mc_skin_hardcoded_blackwhite_colors (mc_skin);
 206 }
 207
 208 /* --------------------------------------------------------------------------------------------- */