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/* - 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));
}
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