~drizzle-trunk/drizzle/development

/* - mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-

 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:

 *

 *  Copyright (C) 2010 Brian Aker

 *

 *  This program is free software; you can redistribute it and/or modify

 *  it under the terms of the GNU General Public License as published by

 *  the Free Software Foundation; either version 2 of the License, or

 *  (at your option) any later version.

 *

 *  This program is distributed in the hope that it will be useful,

 *  but WITHOUT ANY WARRANTY; without even the implied warranty of

 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 *  GNU General Public License for more details.

 *

 *  You should have received a copy of the GNU General Public License

 *  along with this program; if not, write to the Free Software

 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

 */

#include <config.h>

#include <drizzled/session.h>

#include <plugin/string_functions/functions.h>

namespace drizzled

{

namespace string_functions

{

bool Regex::val_bool()

{

  drizzled::String *res= args[0]->val_str(&_res);

  if (re.empty())

  {

    drizzled::String _regex;

    drizzled::String *regex= args[1]->val_str(&_regex);

    if (not regex or not regex->length() or not res or not res->length())

    {

      null_value= true;

      return false;

    }

    re.assign(regex->c_str());

  }

  if (not res or not res->length())

  {

    null_value= true;

    return false;

  }

  null_value= false;

  if (is_negative)

    return not boost::regex_match(res->c_str(), re);

  return boost::regex_match(res->c_str(), re);

}

} // namespace string_functions

} // namespace drizzled