src/misc/capture.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.h>
  24
  25 #define _W "libquvi: %s: %s"
  26
  27 gchar *m_capture(const gchar *s, const gchar *p)
  28 {
  29   GMatchInfo *m;
  30   GError *err;
  31   GRegex *re;
  32   gchar *r;
  33
  34   err = NULL;
  35
  36   re = g_regex_new(p, G_REGEX_MULTILINE, 0, &err);
  37   if (err != NULL)
  38     {
  39       g_warning(_W, __func__, err->message);
  40       g_error_free(err);
  41       err = NULL;
  42       return (NULL);
  43     }
  44
  45   m = NULL;
  46   r = NULL;
  47
  48   if (g_regex_match(re, s, 0, &m) == TRUE)
  49     r = g_match_info_fetch(m, 1);
  50
  51   g_match_info_free(m);
  52   m = NULL;
  53
  54   g_regex_unref(re);
  55   re = NULL;
  56
  57   return (r);
  58 }
  59
  60 /* vim: set ts=2 sw=2 tw=72 expandtab: */