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  • Committer: Monty Taylor
  • Date: 2008-11-07 04:45:58 UTC
  • mfrom: (574.3.4 drizzle-clean-code)
  • mto: This revision was merged to the branch mainline in revision 579.
  • Revision ID: monty@inaugust.com-20081107044558-2me2c70ksfr3qs9i
Merged from Lee (and from trunk by proxy)

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drizzled/functions/str/conv.cc
 
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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
 
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 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
 
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 *
 
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 *  Copyright (C) 2008 Sun Microsystems
 
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 *
 
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 *  This program is free software; you can redistribute it and/or modify
 
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 *  it under the terms of the GNU General Public License as published by
 
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 *  the Free Software Foundation; version 2 of the License.
 
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 *
 
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 *  This program is distributed in the hope that it will be useful,
 
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 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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 *  GNU General Public License for more details.
 
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 *
 
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 *  You should have received a copy of the GNU General Public License
 
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 *  along with this program; if not, write to the Free Software
 
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 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 
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 */
 
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#include <drizzled/server_includes.h>
 
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#include CSTDINT_H
 
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#include <drizzled/functions/str/conv.h>
 
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String *Item_str_conv::val_str(String *str)
 
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{
 
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  assert(fixed == 1);
 
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  String *res;
 
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  if (!(res=args[0]->val_str(str)))
 
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  {
 
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    null_value=1; /* purecov: inspected */
 
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    return 0; /* purecov: inspected */
 
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  }
 
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  null_value=0;
 
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  if (multiply == 1)
 
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  {
 
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    uint32_t len;
 
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    res= copy_if_not_alloced(str,res,res->length());
 
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    len= converter(collation.collation, (char*) res->ptr(), res->length(),
 
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                                        (char*) res->ptr(), res->length());
 
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    assert(len <= res->length());
 
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    res->length(len);
 
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  }
 
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  else
 
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  {
 
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    uint32_t len= res->length() * multiply;
 
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    tmp_value.alloc(len);
 
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    tmp_value.set_charset(collation.collation);
 
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    len= converter(collation.collation, (char*) res->ptr(), res->length(),
 
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                                        (char*) tmp_value.ptr(), len);
 
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    tmp_value.length(len);
 
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    res= &tmp_value;
 
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  }
 
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  return res;
 
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}
 
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void Item_func_lcase::fix_length_and_dec()
 
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{
 
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  collation.set(args[0]->collation);
 
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  multiply= collation.collation->casedn_multiply;
 
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  converter= collation.collation->cset->casedn;
 
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  max_length= args[0]->max_length * multiply;
 
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}
 
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void Item_func_ucase::fix_length_and_dec()
 
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{
 
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  collation.set(args[0]->collation);
 
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  multiply= collation.collation->caseup_multiply;
 
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  converter= collation.collation->cset->caseup;
 
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  max_length= args[0]->max_length * multiply;
 
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}
 
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