Drizzled Public API Documentation

regex.cc
1 /* - mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-
2  * vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
3  *
4  * Copyright (C) 2010 Brian Aker
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (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 General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 #include <config.h>
22 
23 #include <drizzled/session.h>
24 #include <plugin/string_functions/functions.h>
25 
26 namespace drizzled
27 {
28 namespace string_functions
29 {
30 
32 {
33  drizzled::String *res= args[0]->val_str(&_res);
34 
35  if (re.empty())
36  {
37  drizzled::String _regex;
38  drizzled::String *regex= args[1]->val_str(&_regex);
39 
40  if (not regex or not regex->length() or not res or not res->length())
41  {
42  null_value= true;
43  return false;
44  }
45 
46  re.assign(regex->c_str());
47  }
48 
49  if (not res or not res->length())
50  {
51  null_value= true;
52  return false;
53  }
54 
55  null_value= false;
56 
57  if (is_negative)
58  return not boost::regex_match(res->c_str(), re);
59 
60  return boost::regex_match(res->c_str(), re);
61 }
62 
63 } // namespace string_functions
64 } // namespace drizzled
TODO: Rename this file - func.h is stupid.
bool null_value
Definition: item.h:122
virtual String * val_str(String *str)=0