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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Copyright (C) 2008 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; 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
*/
#include <config.h>
#include <drizzled/function/str/str_conv.h>
namespace drizzled
{
String *Item_str_conv::val_str(String *str)
{
assert(fixed == 1);
String *res;
if (!(res=args[0]->val_str(str)))
{
null_value=1;
return 0;
}
null_value=0;
if (multiply == 1)
{
uint32_t len;
res= copy_if_not_alloced(str,res,res->length());
len= converter(collation.collation, (char*) res->ptr(), res->length(),
(char*) res->ptr(), res->length());
assert(len <= res->length());
res->length(len);
}
else
{
uint32_t len= res->length() * multiply;
tmp_value.alloc(len);
tmp_value.set_charset(collation.collation);
len= converter(collation.collation, (char*) res->ptr(), res->length(),
(char*) tmp_value.ptr(), len);
tmp_value.length(len);
res= &tmp_value;
}
return res;
}
void Item_func_lcase::fix_length_and_dec()
{
collation.set(args[0]->collation);
multiply= collation.collation->casedn_multiply;
converter= collation.collation->cset->casedn;
max_length= args[0]->max_length * multiply;
}
void Item_func_ucase::fix_length_and_dec()
{
collation.set(args[0]->collation);
multiply= collation.collation->caseup_multiply;
converter= collation.collation->cset->caseup;
max_length= args[0]->max_length * multiply;
}
} /* namespace drizzled */
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