src/opts/chk.c

   1 /* quvi
   2  * Copyright (C) 2012  Toni Gundogdu <legatvs@gmail.com>
   3  *
   4  * This file is part of quvi <http://quvi.sourceforge.net/>.
   5  *
   6  * This program 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 program 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 program.  If not, see
  18  * <http://www.gnu.org/licenses/>.
  19  */
  20
  21 #include "config.h"
  22
  23 #include <stdlib.h>
  24 #include <glib.h>
  25
  26 #include "lutil.h"
  27 #include "lopts.h"
  28
  29 /* Validate string value to possible values. */
  30 gint lopts_chk_str(const gchar *opt_val, const gchar **ok_strv, gchar **dst)
  31 {
  32   gint i,r;
  33
  34   *dst = NULL;
  35
  36   if (opt_val == NULL)
  37     return (EXIT_SUCCESS);
  38
  39   for (i=0, r=EXIT_FAILURE; ok_strv[i] != NULL; ++i)
  40     {
  41       if (g_strcmp0(ok_strv[i], opt_val) == 0)
  42         {
  43           r = EXIT_SUCCESS;
  44           break;
  45         }
  46     }
  47
  48   if (r == EXIT_FAILURE)
  49     *dst = (gchar*) opt_val;
  50
  51   return (r);
  52 }
  53
  54 /* Validate string array of values to possible values. */
  55 gint lopts_chk_strv(const gchar **opt_val, const gchar **ok_strv, gchar **dst)
  56 {
  57   gint i, r;
  58
  59   *dst = NULL;
  60
  61   if (opt_val == NULL)
  62     return (EXIT_SUCCESS);
  63
  64   for (i=0, r=EXIT_SUCCESS; opt_val[i] != NULL && r == EXIT_SUCCESS; ++i)
  65     r = lopts_chk_str(opt_val[i], ok_strv, dst);
  66
  67   return (r);
  68 }
  69
  70 /* Validate regex patterns. */
  71 gint lopts_chk_re(const gchar **opt_val, gchar **dst)
  72 {
  73   gboolean is_valid;
  74   gint r, i;
  75
  76   *dst = NULL;
  77
  78   if (opt_val == NULL)
  79     return (EXIT_SUCCESS);
  80
  81   for (i=0, r=EXIT_SUCCESS; opt_val[i] != NULL && r == EXIT_SUCCESS; ++i)
  82     {
  83       lutil_regex_op_new(opt_val[i], &is_valid);
  84       if (is_valid == FALSE)
  85         {
  86           *dst = (gchar*) opt_val[i];
  87           r = EXIT_FAILURE;
  88         }
  89     }
  90   return (r);
  91 }
  92
  93 /* vim: set ts=2 sw=2 tw=72 expandtab: */