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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
*
* 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;
CollationsTool::CollationsTool() :
CharacterSetsTool("COLLATIONS")
{
add_field("CHARACTER_SET_NAME");
add_field("COLLATION_NAME");
add_field("DESCRIPTION");
add_field("ID", plugin::TableFunction::NUMBER, 0, false);
add_field("IS_DEFAULT", plugin::TableFunction::BOOLEAN);
add_field("IS_COMPILED", plugin::TableFunction::BOOLEAN);
add_field("SORTLEN", plugin::TableFunction::NUMBER, 0, false);
}
CollationsTool::Generator::Generator(Field **arg) :
CharacterSetsTool::Generator(arg),
is_collation_primed(false)
{
}
bool CollationsTool::Generator::end()
{
return collation_iter == all_charsets+255;
}
bool CollationsTool::Generator::check()
{
const CHARSET_INFO *tmp_cs= character_set();
const CHARSET_INFO *tmp_cl= collation();
if (not tmp_cl ||
not (tmp_cl->state & MY_CS_AVAILABLE) ||
not my_charset_same(tmp_cs, tmp_cl))
return true;
return false;
}
bool CollationsTool::Generator::nextCollationCore()
{
if (isPrimed())
{
collation_iter++;
}
else
{
if (not isCharacterSetPrimed())
return false;
collation_iter= all_charsets;
prime();
}
if (end())
return false;
if (check())
return false;
return true;
}
bool CollationsTool::Generator::next()
{
while (not nextCollationCore())
{
if (isPrimed() && not end())
continue;
if (not nextCharacterSet())
return false;
prime(false);
}
return true;
}
bool CollationsTool::Generator::populate()
{
if (not next())
return false;
fill();
return true;
}
void CollationsTool::Generator::fill()
{
const CHARSET_INFO *tmp_cs= character_set();
const CHARSET_INFO *tmp_cl= collation_iter[0];
assert(tmp_cs);
assert(tmp_cl);
assert(tmp_cs->name);
/* CHARACTER_SET_NAME */
push(tmp_cs->name);
/* "COLLATION_NAME" */
assert(tmp_cl->name);
push(tmp_cl->name);
/* "DESCRIPTION" */
push(tmp_cl->csname);
/* COLLATION_ID */
push(static_cast<int64_t>(tmp_cl->number));
/* IS_DEFAULT */
push((bool)(tmp_cl->state & MY_CS_PRIMARY));
/* IS_COMPILED */
push((bool)(tmp_cl->state & MY_CS_COMPILED));
/* SORTLEN */
push(static_cast<int64_t>(tmp_cl->strxfrm_multiply));
}
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