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