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/* Copyright (c) 2000, 2019, Oracle and/or its affiliates.
Copyright (c) 2010, 2024, MariaDB Corporation.
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 02110-1335 USA */
#ifndef LEX_IDENT_SYS
#define LEX_IDENT_SYS
#include "lex_ident_cli.h"
#include "sql_alloc.h"
extern "C" MYSQL_PLUGIN_IMPORT CHARSET_INFO *system_charset_info;
struct Lex_ident_sys_st: public LEX_CSTRING, Sql_alloc
{
public:
bool copy_ident_cli(const THD *thd, const Lex_ident_cli_st *str);
bool copy_keyword(const THD *thd, const Lex_ident_cli_st *str);
bool copy_sys(const THD *thd, const LEX_CSTRING *str);
bool convert(const THD *thd, const LEX_CSTRING *str, CHARSET_INFO *cs);
bool copy_or_convert(const THD *thd, const Lex_ident_cli_st *str,
CHARSET_INFO *cs);
bool is_null() const { return str == NULL; }
bool to_size_number(ulonglong *to) const;
void set_valid_utf8(const LEX_CSTRING *name)
{
DBUG_ASSERT(Well_formed_prefix(system_charset_info, name->str,
name->length).length() == name->length);
str= name->str ; length= name->length;
}
};
class Lex_ident_sys: public Lex_ident_sys_st
{
public:
Lex_ident_sys(const THD *thd, const Lex_ident_cli_st *str)
{
if (copy_ident_cli(thd, str))
*this= Lex_ident_sys();
}
Lex_ident_sys()
{
((LEX_CSTRING &) *this)= {nullptr, 0};
}
Lex_ident_sys(const char *name, size_t length)
{
LEX_CSTRING tmp= {name, length};
set_valid_utf8(&tmp);
}
Lex_ident_sys(const THD *thd, const LEX_CSTRING *str)
{
set_valid_utf8(str);
}
Lex_ident_sys & operator=(const Lex_ident_sys_st &name)
{
Lex_ident_sys_st::operator=(name);
return *this;
}
};
#endif // LEX_IDENT_SYS
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