00001 /* - mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*- 00002 * vim:expandtab:shiftwidth=2:tabstop=2:smarttab: 00003 * 00004 * Copyright (C) 2010 Brian Aker 00005 * 00006 * This program is free software; you can redistribute it and/or modify 00007 * it under the terms of the GNU General Public License as published by 00008 * the Free Software Foundation; either version 2 of the License, or 00009 * (at your option) any later version. 00010 * 00011 * This program is distributed in the hope that it will be useful, 00012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00014 * GNU General Public License for more details. 00015 * 00016 * You should have received a copy of the GNU General Public License 00017 * along with this program; if not, write to the Free Software 00018 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 00019 */ 00020 00021 #pragma once 00022 00023 #include <drizzled/item/function/boolean.h> 00024 #include <boost/regex.hpp> 00025 00026 namespace drizzled 00027 { 00028 namespace string_functions 00029 { 00030 00031 class Regex :public drizzled::item::function::Boolean 00032 { 00033 bool is_negative; 00034 boost::regex re; 00035 drizzled::String _res; 00036 00037 public: 00038 Regex() : 00039 is_negative(false) 00040 { 00041 } 00042 00043 bool val_bool(); 00044 int64_t val_int() 00045 { 00046 return val_bool(); 00047 } 00048 const char *func_name() const { return "regex"; } 00049 const char *fully_qualified_func_name() const { return "regex()"; } 00050 bool check_argument_count(int n) { if (n == 3) is_negative= true; return n == 2 or n == 3; } 00051 }; 00052 00053 } // namespace string_functions 00054 } // namespace drizzled 00055