~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

 */

#pragma once

#include <drizzled/item/function/boolean.h>

#include <boost/regex.hpp>

namespace drizzled

{

namespace string_functions

{

class Regex :public drizzled::item::function::Boolean

{

  bool is_negative;

  boost::regex re;

  drizzled::String _res;

public:

  Regex() :

    is_negative(false)

  {

  }

  bool val_bool();

  int64_t val_int()

  {

    return val_bool();

  }

  const char *func_name() const { return "regex"; }

  const char *fully_qualified_func_name() const { return "regex()"; }

  bool check_argument_count(int n) { if (n == 3) is_negative= true; return n == 2 or n == 3; }

};

} // namespace string_functions

} // namespace drizzled