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/* -*- C++ -*- */
/* Copyright (C) 2004 MySQL AB
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#ifndef _PARSE_FILE_H_
#define _PARSE_FILE_H_
#define PARSE_FILE_TIMESTAMPLENGTH 19
enum file_opt_type {
FILE_OPTIONS_STRING, /* String (LEX_STRING) */
FILE_OPTIONS_ESTRING, /* Escaped string (LEX_STRING) */
FILE_OPTIONS_ULONGLONG, /* ulonglong parameter (ulonglong) */
FILE_OPTIONS_REV, /* Revision version number (ulonglong) */
FILE_OPTIONS_TIMESTAMP, /* timestamp (LEX_STRING have to be
allocated with length 20 (19+1) */
FILE_OPTIONS_STRLIST, /* list of escaped strings
(List<LEX_STRING>) */
FILE_OPTIONS_ULLLIST /* list of ulonglong values
(List<ulonglong>) */
};
struct File_option
{
LEX_STRING name; /* Name of the option */
int offset; /* offset to base address of value */
file_opt_type type; /* Option type */
};
/*
This hook used to catch no longer supported keys and process them for
backward compatibility.
*/
class Unknown_key_hook
{
public:
Unknown_key_hook() {} /* Remove gcc warning */
virtual ~Unknown_key_hook() {} /* Remove gcc warning */
virtual bool process_unknown_string(char *&unknown_key, uchar* base,
MEM_ROOT *mem_root, char *end)= 0;
};
/* Dummy hook for parsers which do not need hook for unknown keys */
class File_parser_dummy_hook: public Unknown_key_hook
{
public:
File_parser_dummy_hook() {} /* Remove gcc warning */
virtual bool process_unknown_string(char *&unknown_key, uchar* base,
MEM_ROOT *mem_root, char *end);
};
extern File_parser_dummy_hook file_parser_dummy_hook;
bool get_file_options_ulllist(char *&ptr, char *end, char *line,
uchar* base, File_option *parameter,
MEM_ROOT *mem_root);
char *
parse_escaped_string(char *ptr, char *end, MEM_ROOT *mem_root, LEX_STRING *str);
class File_parser;
File_parser *sql_parse_prepare(const LEX_STRING *file_name,
MEM_ROOT *mem_root, bool bad_format_errors);
my_bool
sql_create_definition_file(const LEX_STRING *dir, const LEX_STRING *file_name,
const LEX_STRING *type,
uchar* base, File_option *parameters, uint versions);
my_bool rename_in_schema_file(const char *schema, const char *old_name,
const char *new_name, ulonglong revision,
uint num_view_backups);
class File_parser: public Sql_alloc
{
char *buff, *start, *end;
LEX_STRING file_type;
my_bool content_ok;
public:
File_parser() :buff(0), start(0), end(0), content_ok(0)
{ file_type.str= 0; file_type.length= 0; }
my_bool ok() { return content_ok; }
LEX_STRING *type() { return &file_type; }
my_bool parse(uchar* base, MEM_ROOT *mem_root,
struct File_option *parameters, uint required,
Unknown_key_hook *hook);
friend File_parser *sql_parse_prepare(const LEX_STRING *file_name,
MEM_ROOT *mem_root,
bool bad_format_errors);
};
#endif /* _PARSE_FILE_H_ */
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