src/lua/load_util_script.c

   1 /* libquvi
   2  * Copyright (C) 2012  Toni Gundogdu <legatvs@gmail.com>
   3  *
   4  * This file is part of libquvi <http://quvi.sourceforge.net/>.
   5  *
   6  * This library is free software: you can redistribute it and/or
   7  * modify it under the terms of the GNU Affero General Public
   8  * License as published by the Free Software Foundation, either
   9  * version 3 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU Affero General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Affero General
  17  * Public License along with this library.  If not, see
  18  * <http://www.gnu.org/licenses/>.
  19  */
  20
  21 #include "config.h"
  22
  23 #include <glib/gi18n-lib.h>
  24 #include <glib.h>
  25 #include <lauxlib.h>
  26
  27 #include "quvi.h"
  28 /* -- */
  29 #include "_quvi_s.h"
  30 #include "_quvi_script_s.h"
  31 /* -- */
  32 #include "lua/def.h"
  33 #include "lua/setfield.h"
  34
  35 static GSList *_match_util_script(_quvi_t q, const gchar *w)
  36 {
  37   _quvi_script_t qs;
  38   GSList *curr;
  39   gboolean r;
  40   gchar *s;
  41
  42   curr = q->scripts.util;
  43   while (curr != NULL)
  44     {
  45       qs = (_quvi_script_t) curr->data;
  46       s = g_path_get_basename(qs->fpath->str);
  47       r = (g_strcmp0(s, w) == 0) ? TRUE:FALSE;
  48
  49       g_free(s);
  50       s = NULL;
  51
  52       if (r == TRUE)
  53         break;
  54
  55       curr = g_slist_next(curr);
  56     }
  57   return (curr);
  58 }
  59
  60 QuviError l_load_util_script(_quvi_t q, const gchar *script_fname,
  61                              const gchar *script_func)
  62 {
  63   _quvi_script_t qs;
  64   lua_State *l;
  65   GSList *s;
  66
  67   s = _match_util_script(q, script_fname);
  68   l = q->handle.lua;
  69
  70   if (s == NULL)
  71     {
  72       luaL_error(l, _("Could not the find utility script `%s' in the path"),
  73                  script_fname);
  74     }
  75
  76   lua_pushnil(l);
  77   lua_getglobal(l, script_func);
  78
  79   qs = (_quvi_script_t) s->data;
  80
  81   if (luaL_dofile(l, qs->fpath->str))
  82     luaL_error(l, "%s", lua_tostring(l, -1));
  83
  84   lua_getglobal(l, script_func);
  85
  86   if (!lua_isfunction(l, -1))
  87     {
  88       luaL_error(l, "%s: the function `%s' was not found",
  89                  qs->fpath->str, script_func);
  90     }
  91
  92   lua_newtable(l);
  93   l_set_reg_userdata(l, USERDATA_QUVI_T, (gpointer) q);
  94
  95   return (QUVI_OK);
  96 }
  97
  98 /* vim: set ts=2 sw=2 tw=72 expandtab: */