~drizzle-trunk/drizzle/development : contents of plugin/collation_dictionary/character

~drizzle-trunk/drizzle/development : (revision 2472.1.8)

/* - mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-
 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
 *
 *  Copyright (C) 2010 Sun Microsystems, Inc.
 *
 *  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
 */

#include <config.h>
#include <plugin/collation_dictionary/dictionary.h>

using namespace std;
using namespace drizzled;

CharacterSetsTool::CharacterSetsTool() :
  plugin::TableFunction("DATA_DICTIONARY", "CHARACTER_SETS")
{
  add_field("CHARACTER_SET_NAME");
  add_field("DEFAULT_COLLATE_NAME");
  add_field("DESCRIPTION");
  add_field("MAXLEN", plugin::TableFunction::NUMBER, 0, false);
}

CharacterSetsTool::Generator::Generator(Field **arg) :
  plugin::TableFunction::Generator(arg),
  is_char_primed(false)
{
}

bool CharacterSetsTool::Generator::checkCharacterSet()
{
  if (character_set() && (character_set()->state & MY_CS_PRIMARY) &&
      (character_set()->state & MY_CS_AVAILABLE) && not (character_set()->state & MY_CS_HIDDEN))
  {
    return false;
  }

  return true;
}

bool CharacterSetsTool::Generator::nextCharacterSetCore()
{
  if (is_char_primed)
  {
    character_set_iter++;
  }
  else
  {
    character_set_iter= all_charsets;
    is_char_primed= true;
  }

  if (character_set_iter == all_charsets+255)
    return false;

  if (checkCharacterSet())
      return false;

  return true;
}

bool CharacterSetsTool::Generator::nextCharacterSet()
{
  while (not nextCharacterSetCore())
  {
    if (character_set_iter == all_charsets+255)
      return false;
  }

  return true;
}

bool CharacterSetsTool::Generator::populate()
{
  if (nextCharacterSet())
  {
    fill();
    return true;
  }

  return false;
}

void CharacterSetsTool::Generator::fill()
{
  const charset_info_st * const tmp_cs= character_set_iter[0];

  /* CHARACTER_SET_NAME */
  push(tmp_cs->csname);

  /* DEFAULT_COLLATE_NAME */
  push(tmp_cs->name);

  /* DESCRIPTION */
  push(tmp_cs->comment);

  /* MAXLEN */
  push(static_cast<int64_t>(tmp_cs->mbmaxlen));
}

1273.13.3 by Brian Aker Added character sets.	1	/* - mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-
	2	* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
	3	*
1999.6.1 by kalebral at gmail update Copyright strings to a more common format to help with creating the master debian copyright file	4	* Copyright (C) 2010 Sun Microsystems, Inc.
1273.13.3 by Brian Aker Added character sets.	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with this program; if not, write to the Free Software
	18	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
	19	*/
	20
2173.2.1 by Monty Taylor Fixes incorrect usage of include	21	#include <config.h>
2173.2.1 by Monty Taylor Fixes incorrect usage of include	22	#include <plugin/collation_dictionary/dictionary.h>
1273.13.3 by Brian Aker Added character sets.	23
	24	using namespace std;
	25	using namespace drizzled;
	26
1273.13.7 by Brian Aker Updates to the classes (first pass).	27	CharacterSetsTool::CharacterSetsTool() :
1273.13.32 by Brian Aker Big ole patch. This covers moving information_schema to old_* table names	28	plugin::TableFunction("DATA_DICTIONARY", "CHARACTER_SETS")
1273.13.3 by Brian Aker Added character sets.	29	{
1273.13.18 by Brian Aker Update code, first pass through cleaner method for recursing through	30	add_field("CHARACTER_SET_NAME");
	31	add_field("DEFAULT_COLLATE_NAME");
	32	add_field("DESCRIPTION");
1643.3.10 by Brian Aker Column support, clean up of IS/DD for NULL type.	33	add_field("MAXLEN", plugin::TableFunction::NUMBER, 0, false);
1273.13.3 by Brian Aker Added character sets.	34	}
1273.13.3 by Brian Aker Added character sets.	35
1273.13.18 by Brian Aker Update code, first pass through cleaner method for recursing through	36	CharacterSetsTool::Generator::Generator(Field **arg) :
1273.13.69 by Brian Aker Monty's fixes, my rewrite of collations dictionary.	37	plugin::TableFunction::Generator(arg),
	38	is_char_primed(false)
	39	{
	40	}
	41
	42	bool CharacterSetsTool::Generator::checkCharacterSet()
	43	{
	44	if (character_set() && (character_set()->state & MY_CS_PRIMARY) &&
	45	(character_set()->state & MY_CS_AVAILABLE) && not (character_set()->state & MY_CS_HIDDEN))
	46	{
	47	return false;
	48	}
	49
	50	return true;
	51	}
	52
	53	bool CharacterSetsTool::Generator::nextCharacterSetCore()
	54	{
	55	if (is_char_primed)
	56	{
	57	character_set_iter++;
	58	}
	59	else
	60	{
	61	character_set_iter= all_charsets;
	62	is_char_primed= true;
	63	}
	64
	65	if (character_set_iter == all_charsets+255)
	66	return false;
	67
	68	if (checkCharacterSet())
	69	return false;
	70
	71	return true;
	72	}
	73
	74	bool CharacterSetsTool::Generator::nextCharacterSet()
	75	{
	76	while (not nextCharacterSetCore())
	77	{
	78	if (character_set_iter == all_charsets+255)
	79	return false;
	80	}
	81
	82	return true;
1273.13.3 by Brian Aker Added character sets.	83	}
1273.13.3 by Brian Aker Added character sets.	84
1273.13.21 by Brian Aker Fix interface (we no longer need Fields passed around).	85	bool CharacterSetsTool::Generator::populate()
1273.13.3 by Brian Aker Added character sets.	86	{
1273.13.69 by Brian Aker Monty's fixes, my rewrite of collations dictionary.	87	if (nextCharacterSet())
1273.13.3 by Brian Aker Added character sets.	88	{
1273.13.69 by Brian Aker Monty's fixes, my rewrite of collations dictionary.	89	fill();
	90	return true;
1273.13.3 by Brian Aker Added character sets.	91	}
	92
	93	return false;
	94	}
1273.13.69 by Brian Aker Monty's fixes, my rewrite of collations dictionary.	95
	96	void CharacterSetsTool::Generator::fill()
	97	{
2254 by Brian Aker Shift CHARSET_INFO to charset_info_st	98	const charset_info_st * const tmp_cs= character_set_iter[0];
1273.13.69 by Brian Aker Monty's fixes, my rewrite of collations dictionary.	99
	100	/* CHARACTER_SET_NAME */
	101	push(tmp_cs->csname);
	102
	103	/* DEFAULT_COLLATE_NAME */
	104	push(tmp_cs->name);
	105
	106	/* DESCRIPTION */
	107	push(tmp_cs->comment);
	108
	109	/* MAXLEN */
1273.13.82 by Brian Aker Revert OSX fix, requiring more cast.	110	push(static_cast<int64_t>(tmp_cs->mbmaxlen));
1273.13.69 by Brian Aker Monty's fixes, my rewrite of collations dictionary.	111	}