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