Drizzled Public API Documentation

trim.h

00001 /* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
00002  *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
00003  *
00004  *  Copyright (C) 2008 Sun Microsystems, Inc.
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; version 2 of the License.
00009  *
00010  *  This program is distributed in the hope that it will be useful,
00011  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00012  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00013  *  GNU General Public License for more details.
00014  *
00015  *  You should have received a copy of the GNU General Public License
00016  *  along with this program; if not, write to the Free Software
00017  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
00018  */
00019 
00020 #pragma once
00021 
00022 #include <drizzled/function/str/strfunc.h>
00023 
00024 namespace drizzled
00025 {
00026 
00027 class Item_func_trim :public Item_str_func
00028 {
00029 protected:
00030   String tmp_value;
00031   String remove;
00032 public:
00033   Item_func_trim(Item *a,Item *b) :Item_str_func(a,b) {}
00034   Item_func_trim(Item *a) :Item_str_func(a) {}
00035   String *val_str(String *);
00036   void fix_length_and_dec();
00037   const char *func_name() const { return "trim"; }
00038   virtual void print(String *str);
00039   virtual const char *mode_name() const { return "both"; }
00040 };
00041 
00042 class Item_func_ltrim :public Item_func_trim
00043 {
00044 public:
00045   Item_func_ltrim(Item *a,Item *b) :Item_func_trim(a,b) {}
00046   Item_func_ltrim(Item *a) :Item_func_trim(a) {}
00047   String *val_str(String *);
00048   const char *func_name() const { return "ltrim"; }
00049   const char *mode_name() const { return "leading"; }
00050 };
00051 
00052 
00053 class Item_func_rtrim :public Item_func_trim
00054 {
00055 public:
00056   Item_func_rtrim(Item *a,Item *b) :Item_func_trim(a,b) {}
00057   Item_func_rtrim(Item *a) :Item_func_trim(a) {}
00058   String *val_str(String *);
00059   const char *func_name() const { return "rtrim"; }
00060   const char *mode_name() const { return "trailing"; }
00061 };
00062 
00063 } /* namespace drizzled */
00064