~drizzle-trunk/drizzle/development

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

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

 *

 *  Copyright (C) 2008 Sun Microsystems

 *

 *  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; version 2 of the License.

 *

 *  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

 */

#ifndef DRIZZLED_FUNCTION_STR_TRIM_H

#define DRIZZLED_FUNCTION_STR_TRIM_H

#include <drizzled/function/str/strfunc.h>

class Item_func_trim :public Item_str_func

{

protected:

  String tmp_value;

  String remove;

public:

  Item_func_trim(Item *a,Item *b) :Item_str_func(a,b) {}

  Item_func_trim(Item *a) :Item_str_func(a) {}

  String *val_str(String *);

  void fix_length_and_dec();

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

  virtual void print(String *str, enum_query_type query_type);

  virtual const char *mode_name() const { return "both"; }

};

class Item_func_ltrim :public Item_func_trim

{

public:

  Item_func_ltrim(Item *a,Item *b) :Item_func_trim(a,b) {}

  Item_func_ltrim(Item *a) :Item_func_trim(a) {}

  String *val_str(String *);

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

  const char *mode_name() const { return "leading"; }

};

class Item_func_rtrim :public Item_func_trim

{

public:

  Item_func_rtrim(Item *a,Item *b) :Item_func_trim(a,b) {}

  Item_func_rtrim(Item *a) :Item_func_trim(a) {}

  String *val_str(String *);

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

  const char *mode_name() const { return "trailing"; }

};

#endif /* DRIZZLED_FUNCTION_STR_TRIM_H */