Commit e66b7405 authored by unknown's avatar unknown

file parser for new .frm


include/my_sys.h:
  names for get_date format flags
include/mysqld_error.h:
  error of parser
libmysqld/Makefile.am:
  parser file added
mysys/mf_getdate.c:
  function comment for get_date()
  2 new flags added
  names for get_date format flags
sql/Makefile.am:
  parser file added
sql/mysql_priv.h:
  parser file added
sql/share/czech/errmsg.txt:
  file parser errors
sql/share/danish/errmsg.txt:
  file parser errors
sql/share/dutch/errmsg.txt:
  file parser errors
sql/share/english/errmsg.txt:
  file parser errors
sql/share/estonian/errmsg.txt:
  file parser errors
sql/share/french/errmsg.txt:
  file parser errors
sql/share/german/errmsg.txt:
  file parser errors
sql/share/greek/errmsg.txt:
  file parser errors
sql/share/hungarian/errmsg.txt:
  file parser errors
sql/share/italian/errmsg.txt:
  file parser errors
sql/share/japanese/errmsg.txt:
  file parser errors
sql/share/korean/errmsg.txt:
  file parser errors
sql/share/norwegian-ny/errmsg.txt:
  file parser errors
sql/share/norwegian/errmsg.txt:
  file parser errors
sql/share/polish/errmsg.txt:
  file parser errors
sql/share/portuguese/errmsg.txt:
  file parser errors
sql/share/romanian/errmsg.txt:
  file parser errors
sql/share/russian/errmsg.txt:
  file parser errors
sql/share/serbian/errmsg.txt:
  file parser errors
sql/share/slovak/errmsg.txt:
  file parser errors
sql/share/spanish/errmsg.txt:
  file parser errors
sql/share/swedish/errmsg.txt:
  file parser errors
sql/share/ukrainian/errmsg.txt:
  file parser errors
BitKeeper/etc/ignore:
  Added libmysqld/parse_file.cc to the ignore list
parent d7938b9f
...@@ -655,3 +655,4 @@ vio/test-ssl ...@@ -655,3 +655,4 @@ vio/test-ssl
vio/test-sslclient vio/test-sslclient
vio/test-sslserver vio/test-sslserver
vio/viotest-ssl vio/viotest-ssl
libmysqld/parse_file.cc
...@@ -121,6 +121,13 @@ extern int NEAR my_errno; /* Last error in mysys */ ...@@ -121,6 +121,13 @@ extern int NEAR my_errno; /* Last error in mysys */
#define MY_ERRNO_EDOM 33 #define MY_ERRNO_EDOM 33
#define MY_ERRNO_ERANGE 34 #define MY_ERRNO_ERANGE 34
/* Bits for get_date timeflag */
#define GETDATE_DATE_TIME 1
#define GETDATE_SHORT_DATE 2
#define GETDATE_HHMMSSTIME 4
#define GETDATE_GMT 8
#define GETDATE_FIXEDLENGTH 16
/* defines when allocating data */ /* defines when allocating data */
#ifdef SAFEMALLOC #ifdef SAFEMALLOC
#define my_malloc(SZ,FLAG) _mymalloc((SZ), __FILE__, __LINE__, FLAG ) #define my_malloc(SZ,FLAG) _mymalloc((SZ), __FILE__, __LINE__, FLAG )
......
...@@ -348,4 +348,9 @@ ...@@ -348,4 +348,9 @@
#define ER_SP_VARCOND_AFTER_CURSHNDLR 1329 #define ER_SP_VARCOND_AFTER_CURSHNDLR 1329
#define ER_SP_CURSOR_AFTER_HANDLER 1330 #define ER_SP_CURSOR_AFTER_HANDLER 1330
#define ER_SP_CASE_NOT_FOUND 1331 #define ER_SP_CASE_NOT_FOUND 1331
#define ER_ERROR_MESSAGES 332 #define ER_FPARSER_TOO_BIG_FILE 1332
#define ER_FPARSER_BAD_HEADER 1333
#define ER_FPARSER_EOF_IN_COMMENT 1334
#define ER_FPARSER_ERROR_IN_PARAMETER 1335
#define ER_FPARSER_EOF_IN_UNKNOWN_PARAMETER 1336
#define ER_ERROR_MESSAGES 337
...@@ -58,7 +58,8 @@ sqlsources = derror.cc field.cc field_conv.cc strfunc.cc filesort.cc \ ...@@ -58,7 +58,8 @@ sqlsources = derror.cc field.cc field_conv.cc strfunc.cc filesort.cc \
sql_update.cc sql_yacc.cc table.cc thr_malloc.cc time.cc \ sql_update.cc sql_yacc.cc table.cc thr_malloc.cc time.cc \
unireg.cc uniques.cc stacktrace.c sql_union.cc hash_filo.cc \ unireg.cc uniques.cc stacktrace.c sql_union.cc hash_filo.cc \
spatial.cc gstream.cc sql_help.cc protocol_cursor.cc \ spatial.cc gstream.cc sql_help.cc protocol_cursor.cc \
sp_head.cc sp_pcontext.cc sp.cc sp_cache.cc sp_rcontext.cc sp_head.cc sp_pcontext.cc sp.cc sp_cache.cc sp_rcontext.cc \
parse_file.cc
libmysqld_int_a_SOURCES= $(libmysqld_sources) $(libmysqlsources) $(sqlsources) libmysqld_int_a_SOURCES= $(libmysqld_sources) $(libmysqlsources) $(sqlsources)
libmysqld_a_SOURCES= libmysqld_a_SOURCES=
......
...@@ -19,11 +19,20 @@ ...@@ -19,11 +19,20 @@
#include "mysys_priv.h" #include "mysys_priv.h"
#include <m_string.h> #include <m_string.h>
/* /*
If flag & 1 Return date and time get date as string
If flag & 2 Return short date format YYMMDD
if flag & 4 Return time in HHMMDD format. SYNOPSIS
*/ get_date()
to - string where date will be written
flag - format of date:
If flag & GETDATE_TIME Return date and time
If flag & GETDATE_SHORT_DATE Return short date format YYMMDD
If flag & GETDATE_HHMMSSTIME Return time in HHMMDD format.
If flag & GETDATE_GMT Date/time in GMT
If flag & GETDATE_FIXEDLENGTH Return fixed length date/time
date - for conversion
*/
void get_date(register my_string to, int flag, time_t date) void get_date(register my_string to, int flag, time_t date)
...@@ -36,27 +45,36 @@ void get_date(register my_string to, int flag, time_t date) ...@@ -36,27 +45,36 @@ void get_date(register my_string to, int flag, time_t date)
skr=date ? (time_t) date : time((time_t*) 0); skr=date ? (time_t) date : time((time_t*) 0);
#if defined(HAVE_LOCALTIME_R) && defined(_REENTRANT) #if defined(HAVE_LOCALTIME_R) && defined(_REENTRANT)
localtime_r(&skr,&tm_tmp); if (flag & GETDATE_GMT)
localtime_r(&skr,&tm_tmp);
else
gmtime_r(&skr,&tm_tmp);
start_time= &tm_tmp; start_time= &tm_tmp;
#else #else
start_time=localtime(&skr); if (flag & GETDATE_GMT)
start_time= localtime(&skr);
else
gmtime(&skr,&tm_tmp);
#endif #endif
if (flag & 2) if (flag & GETDATE_SHORT_DATE)
sprintf(to,"%02d%02d%02d", sprintf(to,"%02d%02d%02d",
start_time->tm_year % 100, start_time->tm_year % 100,
start_time->tm_mon+1, start_time->tm_mon+1,
start_time->tm_mday); start_time->tm_mday);
else else
sprintf(to,"%d-%02d-%02d", sprintf(to, ((flag & GETDATE_FIXEDLENGTH) ?
"%4d-%02d-%02d" : "%d-%02d-%02d"),
start_time->tm_year+1900, start_time->tm_year+1900,
start_time->tm_mon+1, start_time->tm_mon+1,
start_time->tm_mday); start_time->tm_mday);
if (flag & 1) if (flag & GETDATE_DATE_TIME)
sprintf(strend(to)," %2d:%02d:%02d", sprintf(strend(to),
((flag & GETDATE_FIXEDLENGTH) ?
" %02d:%02d:%02d" : " %2d:%02d:%02d"),
start_time->tm_hour, start_time->tm_hour,
start_time->tm_min, start_time->tm_min,
start_time->tm_sec); start_time->tm_sec);
else if (flag & 4) else if (flag & GETDATE_HHMMSSTIME)
sprintf(strend(to),"%02d%02d%02d", sprintf(strend(to),"%02d%02d%02d",
start_time->tm_hour, start_time->tm_hour,
start_time->tm_min, start_time->tm_min,
......
...@@ -58,7 +58,8 @@ noinst_HEADERS = item.h item_func.h item_sum.h item_cmpfunc.h \ ...@@ -58,7 +58,8 @@ noinst_HEADERS = item.h item_func.h item_sum.h item_cmpfunc.h \
log_event.h sql_repl.h slave.h \ log_event.h sql_repl.h slave.h \
stacktrace.h sql_sort.h sql_cache.h set_var.h \ stacktrace.h sql_sort.h sql_cache.h set_var.h \
spatial.h gstream.h client_settings.h \ spatial.h gstream.h client_settings.h \
sp_head.h sp_pcontext.h sp_rcontext.h sp.h sp_cache.h sp_head.h sp_pcontext.h sp_rcontext.h sp.h sp_cache.h \
parse_file.h
mysqld_SOURCES = sql_lex.cc sql_handler.cc \ mysqld_SOURCES = sql_lex.cc sql_handler.cc \
item.cc item_sum.cc item_buff.cc item_func.cc \ item.cc item_sum.cc item_buff.cc item_func.cc \
item_cmpfunc.cc item_strfunc.cc item_timefunc.cc \ item_cmpfunc.cc item_strfunc.cc item_timefunc.cc \
...@@ -89,7 +90,7 @@ mysqld_SOURCES = sql_lex.cc sql_handler.cc \ ...@@ -89,7 +90,7 @@ mysqld_SOURCES = sql_lex.cc sql_handler.cc \
stacktrace.c repl_failsafe.h repl_failsafe.cc sql_olap.cc\ stacktrace.c repl_failsafe.h repl_failsafe.cc sql_olap.cc\
gstream.cc spatial.cc sql_help.cc protocol_cursor.cc \ gstream.cc spatial.cc sql_help.cc protocol_cursor.cc \
sp_head.cc sp_pcontext.cc sp_rcontext.cc sp.cc \ sp_head.cc sp_pcontext.cc sp_rcontext.cc sp.cc \
sp_cache.cc sp_cache.cc parse_file.cc
gen_lex_hash_SOURCES = gen_lex_hash.cc gen_lex_hash_SOURCES = gen_lex_hash.cc
gen_lex_hash_LDADD = $(LDADD) $(CXXLDFLAGS) gen_lex_hash_LDADD = $(LDADD) $(CXXLDFLAGS)
......
...@@ -375,6 +375,7 @@ inline THD *_current_thd(void) ...@@ -375,6 +375,7 @@ inline THD *_current_thd(void)
#include "sql_list.h" #include "sql_list.h"
#include "sql_map.h" #include "sql_map.h"
#include "handler.h" #include "handler.h"
#include "parse_file.h"
#include "table.h" #include "table.h"
#include "field.h" /* Field definitions */ #include "field.h" /* Field definitions */
#include "protocol.h" #include "protocol.h"
......
/* 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; 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
// Text .frm files management routines
#include "mysql_priv.h"
#include <errno.h>
#include <m_ctype.h>
#include <my_sys.h>
#include <my_dir.h>
/*
write string with escaping
SYNOPSIS
write_escaped_string()
file - IO_CACHE for record
val_s - string for writing
RETURN
FALSE - OK
TRUE - error
*/
static my_bool
write_escaped_string(IO_CACHE *file, LEX_STRING *val_s)
{
char *eos= val_s->str + val_s->length;
char *ptr= val_s->str;
for (; ptr < eos; ptr++)
{
/*
Should be in sync with read_escaped_string() and
parse_quated_escaped_string()
*/
switch(*ptr) {
case '\\': // escape character
if (my_b_write(file, "\\\\", 2))
return TRUE;
break;
case '\n': // parameter value delimiter
if (my_b_write(file, "\\n", 2))
return TRUE;
break;
case '\0': // problem for some string processing utilites
if (my_b_write(file, "\\0", 2))
return TRUE;
break;
case 26: // problem for windows utilites (Ctrl-Z)
if (my_b_write(file, "\\z", 2))
return TRUE;
break;
case '\'': // list of string delimiter
if (my_b_write(file, "\\\'", 2))
return TRUE;
break;
default:
if (my_b_write(file, ptr, 1))
return TRUE;
}
}
return FALSE;
}
/*
write parameter value to IO_CACHE
SYNOPSIS
write_parameter()
file pointer to IO_CACHE structure for writing
base pointer to data structure
parameter pointer to parameter descriptor
old_version for returning back old version number value
RETURN
FALSE - OK
TRUE - error
*/
static my_bool
write_parameter(IO_CACHE *file, gptr base, File_option *parameter,
ulonglong *old_version)
{
char num_buf[20]; // buffer for numeric operations
// string for numeric operations
String num(num_buf, sizeof(num_buf), &my_charset_bin);
DBUG_ENTER("write_parameter");
switch (parameter->type) {
case FILE_OPTIONS_STRING:
{
LEX_STRING *val_s= (LEX_STRING *)(base + parameter->offset);
if (my_b_write(file, val_s->str, val_s->length))
DBUG_RETURN(TRUE);
break;
}
case FILE_OPTIONS_ESTRING:
{
if (write_escaped_string(file, (LEX_STRING *)(base + parameter->offset)))
DBUG_RETURN(TRUE);
break;
}
case FILE_OPTIONS_ULONGLONG:
{
num.set(*((ulonglong *)(base + parameter->offset)), &my_charset_bin);
if (my_b_write(file, num.ptr(), num.length()))
DBUG_RETURN(TRUE);
break;
}
case FILE_OPTIONS_REV:
{
ulonglong *val_i= (ulonglong *)(base + parameter->offset);
*old_version= (*val_i)++;
num.set(*val_i, &my_charset_bin);
if (my_b_write(file, num.ptr(), num.length()))
DBUG_RETURN(TRUE);
break;
}
case FILE_OPTIONS_TIMESTAMP:
{
/* string have to be allocated already */
LEX_STRING *val_s= (LEX_STRING *)(base + parameter->offset);
time_t tm= time(NULL);
get_date(val_s->str, GETDATE_DATE_TIME|GETDATE_GMT|GETDATE_FIXEDLENGTH,
tm);
val_s->length= PARSE_FILE_TIMESTAMPLENGTH;
if (my_b_write(file, val_s->str, PARSE_FILE_TIMESTAMPLENGTH))
DBUG_RETURN(TRUE);
break;
}
case FILE_OPTIONS_STRLIST:
{
List_iterator_fast<LEX_STRING> it(*((List<LEX_STRING>*)
(base + parameter->offset)));
bool first= 1;
LEX_STRING *str;
while ((str= it++))
{
num.set((ulonglong)str->length, &my_charset_bin);
// ',' after string to detect list continuation
if ((!first && my_b_write(file, " ", 1)) ||
my_b_write(file, "\'", 1) ||
my_b_write(file, str->str, str->length) ||
my_b_write(file, "\'", 1))
{
DBUG_RETURN(TRUE);
}
first= 0;
}
break;
}
default:
DBUG_ASSERT(0); // never should happened
}
DBUG_RETURN(FALSE);
}
/*
write new .frm
SYNOPSIS
sql_create_definition_file()
dir directory where put .frm
file .frm file name
type .frm type string (VIEW, TABLE)
base base address for parameter reading (structure like
TABLE)
parameters parameters description
max_versions number of versions to save
RETURN
FALSE - OK
TRUE - error
*/
my_bool
sql_create_definition_file(const LEX_STRING *dir, const LEX_STRING *file_name,
const LEX_STRING *type,
gptr base, File_option *parameters,
uint max_versions)
{
File handler;
IO_CACHE file;
char path[FN_REFLEN+1]; // +1 to put temporary file name for sure
ulonglong old_version= ULONGLONG_MAX;
int path_end;
DBUG_ENTER("sql_create_definition_file");
DBUG_PRINT("enter", ("Dir: %s, file: %s, base 0x%lx",
dir->str, file_name->str, (ulong) base));
fn_format(path, file_name->str, dir->str, 0, MY_UNPACK_FILENAME);
path_end= strlen(path);
// temporary file name
path[path_end]='~';
path[path_end+1]= '\0';
if ((handler= my_create(path, CREATE_MODE, O_RDWR | O_TRUNC,
MYF(MY_WME))) <= 0)
{
DBUG_RETURN(TRUE);
}
if (init_io_cache(&file, handler, 0, SEQ_READ_APPEND, 0L, 0, MYF(MY_WME)))
goto err_w_file;
// write header (file signature)
if (my_b_write(&file, "TYPE=", 5) ||
my_b_write(&file, type->str, type->length) ||
my_b_write(&file, "\n", 1))
goto err_w_file;
// write parameters to temporary file
for (File_option *param= parameters; param->name.str; param++)
{
if (my_b_write(&file, param->name.str, param->name.length) ||
my_b_write(&file, "=", 1) ||
write_parameter(&file, base, param, &old_version) ||
my_b_write(&file, "\n", 1))
goto err_w_cache;
}
if (end_io_cache(&file))
goto err_w_file;
if (my_close(handler, MYF(MY_WME)))
{
DBUG_RETURN(TRUE);
}
// archive copies management
path[path_end]='\0';
if (!access(path, F_OK))
{
if (old_version != ULONGLONG_MAX && max_versions != 0)
{
// save buckup
char path_arc[FN_REFLEN];
// backup old version
char path_to[FN_REFLEN];
// check archive directory existence
fn_format(path_arc, "arc", dir->str, "", MY_UNPACK_FILENAME);
if (access(path_arc, F_OK))
{
if (my_mkdir(path_arc, 0777, MYF(MY_WME)))
{
DBUG_RETURN(TRUE);
}
}
my_snprintf(path_to, FN_REFLEN, "%s/%s-%04lld",
path_arc, file_name->str, old_version);
if (my_rename(path, path_to, MYF(MY_WME)))
{
DBUG_RETURN(TRUE);
}
// remove very old version
if (old_version > max_versions)
{
my_snprintf(path_to, FN_REFLEN, "%s/%s-%04lld",
path_arc, file_name->str,
old_version - max_versions);
if (!access(path_arc, F_OK) && my_delete(path_to, MYF(MY_WME)))
{
DBUG_RETURN(TRUE);
}
}
}
else
{
if (my_delete(path, MYF(MY_WME))) // no backups
{
DBUG_RETURN(TRUE);
}
}
}
{
// rename temporary file
char path_to[FN_REFLEN];
memcpy(path_to, path, path_end+1);
path[path_end]='~';
if (my_rename(path, path_to, MYF(MY_WME)))
{
DBUG_RETURN(TRUE);
}
}
DBUG_RETURN(FALSE);
err_w_cache:
end_io_cache(&file);
err_w_file:
my_close(handler, MYF(MY_WME));
DBUG_RETURN(TRUE);
}
/*
Prepare frm to parse (read to memory)
SYNOPSIS
sql_parse_prepare()
file_name - path & filename to .frm file
mem_root - MEM_ROOT for buffer allocation
bad_format_errors - send errors on bad content
RETURN
0 - error
parser object
NOTE
returned pointer + 1 will be type of .frm
*/
File_parser *
sql_parse_prepare(const LEX_STRING *file_name, MEM_ROOT *mem_root,
bool bad_format_errors)
{
MY_STAT stat_info;
uint len;
char *end, *sign;
File_parser *parser;
File file;
DBUG_ENTER("sql__parse_prepare");
if (!my_stat(file_name->str, &stat_info, MYF(MY_WME)))
{
DBUG_RETURN(0);
}
if (stat_info.st_size > INT_MAX-1)
{
my_error(ER_FPARSER_TOO_BIG_FILE, MYF(0), file_name->str);
DBUG_RETURN(0);
}
if (!(parser= new(mem_root) File_parser))
{
DBUG_RETURN(0);
}
if (!(parser->buff= alloc_root(mem_root, stat_info.st_size+1)))
{
DBUG_RETURN(0);
}
if ((file= my_open(file_name->str, O_RDONLY | O_SHARE, MYF(MY_WME))) < 0)
{
DBUG_RETURN(0);
}
if ((len= my_read(file, parser->buff, stat_info.st_size, MYF(MY_WME))) ==
MY_FILE_ERROR)
{
my_close(file, MYF(MY_WME));
DBUG_RETURN(0);
}
if (my_close(file, MYF(MY_WME)))
{
DBUG_RETURN(0);
}
end= parser->end= parser->buff + len;
*end= '\0'; // barriaer for more simple parsing
// 7 = 5 (TYPE=) + 1 (leter at least of type name) + 1 ('\n')
if (len < 7 ||
parser->buff[0] != 'T' ||
parser->buff[1] != 'Y' ||
parser->buff[2] != 'P' ||
parser->buff[3] != 'E' ||
parser->buff[4] != '=')
goto frm_error;
// skip signature;
parser->file_type.str= sign= parser->buff + 5;
while (*sign >= 'A' && *sign <= 'Z' && sign < end)
sign++;
if (*sign != '\n')
goto frm_error;
parser->file_type.length= sign - parser->file_type.str;
// EOS for file signature just for safety
*sign= '\0';
parser->start= sign + 1;
parser->content_ok= 1;
DBUG_RETURN(parser);
frm_error:
if (bad_format_errors)
{
my_error(ER_FPARSER_BAD_HEADER, MYF(0), file_name->str);
DBUG_RETURN(0);
}
else
DBUG_RETURN(parser); // upper level have to check parser->ok()
}
/*
parse LEX_STRING
SYNOPSIS
parse_string()
ptr - pointer on string beginning
end - pointer on symbol after parsed string end (still owned
by buffer and can be accessed
mem_root - MEM_ROOT for parameter allocation
str - pointer on string, where results should be stored
RETURN
0 - error
# - pointer on symbol after string
*/
static char *
parse_string(char *ptr, char *end, MEM_ROOT *mem_root, LEX_STRING *str)
{
// get string length
char *eol= strchr(ptr, '\n');
if (eol >= end)
return 0;
str->length= eol - ptr;
if (!(str->str= alloc_root(mem_root, str->length+1)))
return 0;
memcpy(str->str, ptr, str->length);
str->str[str->length]= '\0'; // just for safety
return eol+1;
}
/*
read escaped string from ptr to eol in already allocated str
SYNOPSIS
parse_escaped_string()
ptr - pointer on string beginning
eol - pointer on character after end of string
str - target string
RETURN
FALSE - OK
TRUE - error
*/
my_bool
read_escaped_string(char *ptr, char *eol, LEX_STRING *str)
{
char *write_pos= str->str;
for(; ptr < eol; ptr++, write_pos++)
{
char c= *ptr;
if (c == '\\')
{
ptr++;
if (ptr >= eol)
return TRUE;
/*
Should be in sync with write_escaped_string() and
parse_quated_escaped_string()
*/
switch(*ptr) {
case '\\':
*write_pos= '\\';
break;
case 'n':
*write_pos= '\n';
break;
case '0':
*write_pos= '\0';
break;
case 'z':
*write_pos= 26;
break;
case '\'':
*write_pos= '\'';
default:
return TRUE;
}
}
else
*write_pos= c;
}
str->str[str->length= write_pos-str->str]= '\0'; // just for safety
return FALSE;
}
/*
parse \n delimited escaped string
SYNOPSIS
parse_escaped_string()
ptr - pointer on string beginning
end - pointer on symbol after parsed string end (still owned
by buffer and can be accessed
mem_root - MEM_ROOT for parameter allocation
str - pointer on string, where results should be stored
RETURN
0 - error
# - pointer on symbol after string
*/
static char *
parse_escaped_string(char *ptr, char *end, MEM_ROOT *mem_root, LEX_STRING *str)
{
char *eol= strchr(ptr, '\n');
if (eol == 0 || eol >= end ||
!(str->str= alloc_root(mem_root, (eol - ptr) + 1)) ||
read_escaped_string(ptr, eol, str))
return 0;
return eol+1;
}
/*
parse '' delimited escaped string
SYNOPSIS
parse_escaped_string()
ptr - pointer on string beginning
end - pointer on symbol after parsed string end (still owned
by buffer and can be accessed
mem_root - MEM_ROOT for parameter allocation
str - pointer on string, where results should be stored
RETURN
0 - error
# - pointer on symbol after string
*/
static char *
parse_quated_escaped_string(char *ptr, char *end,
MEM_ROOT *mem_root, LEX_STRING *str)
{
char *eol;
uint result_len= 0;
bool escaped= 0;
// starting '
if (*(ptr++) != '\'')
return 0;
// find ending '
for (eol= ptr; (*eol != '\'' || escaped) && eol < end; eol++)
{
if (!(escaped= (*eol == '\\' && !escaped)))
result_len++;
}
// process string
if (eol >= end ||
!(str->str= alloc_root(mem_root, result_len + 1)) ||
read_escaped_string(ptr, eol, str))
return 0;
return eol+1;
}
/*
parse parameters
SYNOPSIS
File_parser::parse()
base base address for parameter writing (structure like
TABLE)
mem_root MEM_ROOT for parameters allocation
parameters parameters description
required number of required parameters in above list
RETURN
FALSE - OK
TRUE - error
*/
my_bool
File_parser::parse(gptr base, MEM_ROOT *mem_root,
struct File_option *parameters, uint required)
{
uint first_param= 0, found= 0;
register char *ptr= start;
char *eol;
LEX_STRING *str;
MEM_ROOT *sql_mem;
List<LEX_STRING> *list;
bool change_mem;
DBUG_ENTER("File_parser::parse");
while (ptr < end && found < required)
{
char *line= ptr;
if (*ptr == '#')
{
// it is comment
if (!(ptr= strchr(ptr, '\n')))
{
my_error(ER_FPARSER_EOF_IN_COMMENT, MYF(0), line);
DBUG_RETURN(TRUE);
}
ptr++;
}
else
{
File_option *parameter= parameters+first_param,
*parameters_end= parameters+required;
int len= 0;
for(; parameter < parameters_end; parameter++)
{
len= parameter->name.length;
// check length
if (len < (end-ptr) && ptr[len] != '=')
continue;
// check keyword
if (memcmp(parameter->name.str, ptr, len) == 0)
break;
}
if (parameter < parameters_end)
{
found++;
/*
if we found first parameter, start search from next parameter
next time.
(this small optimisation should work, because they should be
written in same order)
*/
if (parameter == parameters+first_param)
first_param++;
// get value
ptr+= (len+1);
switch (parameter->type) {
case FILE_OPTIONS_STRING:
{
if (!(ptr= parse_string(ptr, end, mem_root,
(LEX_STRING *)(base +
parameter->offset))))
{
my_error(ER_FPARSER_ERROR_IN_PARAMETER, MYF(0),
parameter->name.str, line);
DBUG_RETURN(TRUE);
}
break;
}
case FILE_OPTIONS_ESTRING:
{
if (!(ptr= parse_escaped_string(ptr, end, mem_root,
(LEX_STRING *)
(base + parameter->offset))))
{
my_error(ER_FPARSER_ERROR_IN_PARAMETER, MYF(0),
parameter->name.str, line);
DBUG_RETURN(TRUE);
DBUG_RETURN(TRUE);
}
break;
}
case FILE_OPTIONS_ULONGLONG:
case FILE_OPTIONS_REV:
if (!(eol= strchr(ptr, '\n')))
{
my_error(ER_FPARSER_ERROR_IN_PARAMETER, MYF(0),
parameter->name.str, line);
DBUG_RETURN(TRUE);
}
*eol= '\0';
*((ulonglong*)(base + parameter->offset))= atoll(ptr);
*eol= '\n';
ptr= eol+1;
break;
case FILE_OPTIONS_TIMESTAMP:
{
/* string have to be allocated already */
LEX_STRING *val= (LEX_STRING *)(base + parameter->offset);
/* yyyy-mm-dd HH:MM:SS = 19(PARSE_FILE_TIMESTAMPLENGTH) characters */
if (ptr[PARSE_FILE_TIMESTAMPLENGTH] != '\n')
{
my_error(ER_FPARSER_ERROR_IN_PARAMETER, MYF(0),
parameter->name.str, line);
DBUG_RETURN(TRUE);
}
memcpy(val->str, ptr, PARSE_FILE_TIMESTAMPLENGTH);
val->str[val->length= PARSE_FILE_TIMESTAMPLENGTH]= '\0';
ptr+= (PARSE_FILE_TIMESTAMPLENGTH+1);
break;
}
case FILE_OPTIONS_STRLIST:
{
/*
TODO: remove play with mem_root, when List will be able
to store MEM_ROOT* pointer for list elements allocation
*/
sql_mem= my_pthread_getspecific_ptr(MEM_ROOT*, THR_MALLOC);
list= (List<LEX_STRING>*)(base + parameter->offset);
if ((change_mem= (sql_mem != mem_root)))
{
change_mem= 1;
my_pthread_setspecific_ptr(THR_MALLOC, mem_root);
}
list->empty();
// list parsing
while (ptr < end)
{
if (!(str= (LEX_STRING*)alloc_root(mem_root,
sizeof(LEX_STRING))) ||
list->push_back(str))
goto list_err;
if(!(ptr= parse_quated_escaped_string(ptr, end, mem_root, str)))
goto list_err_w_message;
switch (*ptr) {
case '\n':
goto end_of_list;
case ' ':
// we cant go over buffer bounds, because we have \0 at the end
ptr++;
break;
default:
goto list_err_w_message;
}
}
end_of_list:
if (*(ptr++) != '\n')
goto list_err;
if (change_mem)
my_pthread_setspecific_ptr(THR_MALLOC, sql_mem);
break;
list_err_w_message:
my_error(ER_FPARSER_ERROR_IN_PARAMETER, MYF(0),
parameter->name.str, line);
list_err:
if (change_mem)
my_pthread_setspecific_ptr(THR_MALLOC, sql_mem);
DBUG_RETURN(TRUE);
}
default:
DBUG_ASSERT(0); // never should happened
}
}
else
{
// skip unknown parameter
if (!(ptr= strchr(ptr, '\n')))
{
my_error(ER_FPARSER_EOF_IN_UNKNOWN_PARAMETER, MYF(0),
line);
DBUG_RETURN(TRUE);
}
ptr++;
}
}
}
DBUG_RETURN(FALSE);
}
/* -*- 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; 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#ifndef _PARSE_FILE_H_
#define _PARSE_FILE_H_
#define PARSE_FILE_TIMESTAMPLENGTH 19
typedef enum {
FILE_OPTIONS_STRING, /* String (LEX_STRING) */
FILE_OPTIONS_ESTRING, /* Escaped string (LEX_STRING) */
FILE_OPTIONS_ULONGLONG, /* ulonglong parapeter (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 strings (List<char*>) */
} file_opt_type;
struct File_option
{
const LEX_STRING name; /* Name of the option */
int offset; /* offset to base address of value */
enum file_opt_type type; /* Option type */
};
class File_parser;
File_parser *sql_parse_prepare(const LEX_STRING *file_name,
MEM_ROOT *mem_root);
my_bool
sql_create_definition_file(const LEX_STRING *dir, const LEX_STRING *file_name,
const LEX_STRING *type,
gptr base, File_option *parameters, uint versions);
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(gptr base, MEM_ROOT *mem_root,
struct File_option *parameters, uint required);
friend File_parser *sql_parse_prepare(const LEX_STRING *file_name,
MEM_ROOT *mem_root,
bool bad_format_errors);
};
#endif /* _PARSE_FILE_H_ */
...@@ -344,3 +344,8 @@ character-set=latin2 ...@@ -344,3 +344,8 @@ character-set=latin2
"Variable or condition declaration after cursor or handler declaration" "Variable or condition declaration after cursor or handler declaration"
"Cursor declaration after handler declaration" "Cursor declaration after handler declaration"
"Case not found for CASE statement" "Case not found for CASE statement"
"Configuration file '%-.64s' is too big"
"Malformed file type header in file '%-.64s'"
"Unexpected end of file during parsing comment '%-.64s'"
"Error during parsing parameter '%-.64s' (line: '%-.64s')"
"Unexpected end of file during skipping unknown parameter '%-.64s'"
...@@ -338,3 +338,8 @@ character-set=latin1 ...@@ -338,3 +338,8 @@ character-set=latin1
"Variable or condition declaration after cursor or handler declaration" "Variable or condition declaration after cursor or handler declaration"
"Cursor declaration after handler declaration" "Cursor declaration after handler declaration"
"Case not found for CASE statement" "Case not found for CASE statement"
"Configuration file '%-.64s' is too big"
"Malformed file type header in file '%-.64s'"
"Unexpected end of file during parsing comment '%-.64s'"
"Error during parsing parameter '%-.64s' (line: '%-.64s')"
"Unexpected end of file during skipping unknown parameter '%-.64s'"
...@@ -346,3 +346,8 @@ character-set=latin1 ...@@ -346,3 +346,8 @@ character-set=latin1
"Variable or condition declaration after cursor or handler declaration" "Variable or condition declaration after cursor or handler declaration"
"Cursor declaration after handler declaration" "Cursor declaration after handler declaration"
"Case not found for CASE statement" "Case not found for CASE statement"
"Configuration file '%-.64s' is too big"
"Malformed file type header in file '%-.64s'"
"Unexpected end of file during parsing comment '%-.64s'"
"Error during parsing parameter '%-.64s' (line: '%-.64s')"
"Unexpected end of file during skipping unknown parameter '%-.64s'"
...@@ -335,3 +335,8 @@ character-set=latin1 ...@@ -335,3 +335,8 @@ character-set=latin1
"Variable or condition declaration after cursor or handler declaration" "Variable or condition declaration after cursor or handler declaration"
"Cursor declaration after handler declaration" "Cursor declaration after handler declaration"
"Case not found for CASE statement" "Case not found for CASE statement"
"Configuration file '%-.64s' is too big"
"Malformed file type header in file '%-.64s'"
"Unexpected end of file during parsing comment '%-.64s'"
"Error during parsing parameter '%-.64s' (line: '%-.64s')"
"Unexpected end of file during skipping unknown parameter '%-.64s'"
...@@ -340,3 +340,8 @@ character-set=latin7 ...@@ -340,3 +340,8 @@ character-set=latin7
"Variable or condition declaration after cursor or handler declaration" "Variable or condition declaration after cursor or handler declaration"
"Cursor declaration after handler declaration" "Cursor declaration after handler declaration"
"Case not found for CASE statement" "Case not found for CASE statement"
"Configuration file '%-.64s' is too big"
"Malformed file type header in file '%-.64s'"
"Unexpected end of file during parsing comment '%-.64s'"
"Error during parsing parameter '%-.64s' (line: '%-.64s')"
"Unexpected end of file during skipping unknown parameter '%-.64s'"
...@@ -335,3 +335,8 @@ character-set=latin1 ...@@ -335,3 +335,8 @@ character-set=latin1
"Variable or condition declaration after cursor or handler declaration" "Variable or condition declaration after cursor or handler declaration"
"Cursor declaration after handler declaration" "Cursor declaration after handler declaration"
"Case not found for CASE statement" "Case not found for CASE statement"
"Configuration file '%-.64s' is too big"
"Malformed file type header in file '%-.64s'"
"Unexpected end of file during parsing comment '%-.64s'"
"Error during parsing parameter '%-.64s' (line: '%-.64s')"
"Unexpected end of file during skipping unknown parameter '%-.64s'"
...@@ -347,3 +347,8 @@ character-set=latin1 ...@@ -347,3 +347,8 @@ character-set=latin1
"Variable or condition declaration after cursor or handler declaration" "Variable or condition declaration after cursor or handler declaration"
"Cursor declaration after handler declaration" "Cursor declaration after handler declaration"
"Case not found for CASE statement" "Case not found for CASE statement"
"Configuration file '%-.64s' is too big"
"Malformed file type header in file '%-.64s'"
"Unexpected end of file during parsing comment '%-.64s'"
"Error during parsing parameter '%-.64s' (line: '%-.64s')"
"Unexpected end of file during skipping unknown parameter '%-.64s'"
...@@ -335,3 +335,8 @@ character-set=greek ...@@ -335,3 +335,8 @@ character-set=greek
"Variable or condition declaration after cursor or handler declaration" "Variable or condition declaration after cursor or handler declaration"
"Cursor declaration after handler declaration" "Cursor declaration after handler declaration"
"Case not found for CASE statement" "Case not found for CASE statement"
"Configuration file '%-.64s' is too big"
"Malformed file type header in file '%-.64s'"
"Unexpected end of file during parsing comment '%-.64s'"
"Error during parsing parameter '%-.64s' (line: '%-.64s')"
"Unexpected end of file during skipping unknown parameter '%-.64s'"
...@@ -337,3 +337,8 @@ character-set=latin2 ...@@ -337,3 +337,8 @@ character-set=latin2
"Variable or condition declaration after cursor or handler declaration" "Variable or condition declaration after cursor or handler declaration"
"Cursor declaration after handler declaration" "Cursor declaration after handler declaration"
"Case not found for CASE statement" "Case not found for CASE statement"
"Configuration file '%-.64s' is too big"
"Malformed file type header in file '%-.64s'"
"Unexpected end of file during parsing comment '%-.64s'"
"Error during parsing parameter '%-.64s' (line: '%-.64s')"
"Unexpected end of file during skipping unknown parameter '%-.64s'"
...@@ -335,3 +335,8 @@ character-set=latin1 ...@@ -335,3 +335,8 @@ character-set=latin1
"Variable or condition declaration after cursor or handler declaration" "Variable or condition declaration after cursor or handler declaration"
"Cursor declaration after handler declaration" "Cursor declaration after handler declaration"
"Case not found for CASE statement" "Case not found for CASE statement"
"Configuration file '%-.64s' is too big"
"Malformed file type header in file '%-.64s'"
"Unexpected end of file during parsing comment '%-.64s'"
"Error during parsing parameter '%-.64s' (line: '%-.64s')"
"Unexpected end of file during skipping unknown parameter '%-.64s'"
...@@ -337,3 +337,8 @@ character-set=ujis ...@@ -337,3 +337,8 @@ character-set=ujis
"Variable or condition declaration after cursor or handler declaration" "Variable or condition declaration after cursor or handler declaration"
"Cursor declaration after handler declaration" "Cursor declaration after handler declaration"
"Case not found for CASE statement" "Case not found for CASE statement"
"Configuration file '%-.64s' is too big"
"Malformed file type header in file '%-.64s'"
"Unexpected end of file during parsing comment '%-.64s'"
"Error during parsing parameter '%-.64s' (line: '%-.64s')"
"Unexpected end of file during skipping unknown parameter '%-.64s'"
...@@ -335,3 +335,8 @@ character-set=euckr ...@@ -335,3 +335,8 @@ character-set=euckr
"Variable or condition declaration after cursor or handler declaration" "Variable or condition declaration after cursor or handler declaration"
"Cursor declaration after handler declaration" "Cursor declaration after handler declaration"
"Case not found for CASE statement" "Case not found for CASE statement"
"Configuration file '%-.64s' is too big"
"Malformed file type header in file '%-.64s'"
"Unexpected end of file during parsing comment '%-.64s'"
"Error during parsing parameter '%-.64s' (line: '%-.64s')"
"Unexpected end of file during skipping unknown parameter '%-.64s'"
...@@ -337,3 +337,8 @@ character-set=latin1 ...@@ -337,3 +337,8 @@ character-set=latin1
"Variable or condition declaration after cursor or handler declaration" "Variable or condition declaration after cursor or handler declaration"
"Cursor declaration after handler declaration" "Cursor declaration after handler declaration"
"Case not found for CASE statement" "Case not found for CASE statement"
"Configuration file '%-.64s' is too big"
"Malformed file type header in file '%-.64s'"
"Unexpected end of file during parsing comment '%-.64s'"
"Error during parsing parameter '%-.64s' (line: '%-.64s')"
"Unexpected end of file during skipping unknown parameter '%-.64s'"
...@@ -337,3 +337,8 @@ character-set=latin1 ...@@ -337,3 +337,8 @@ character-set=latin1
"Variable or condition declaration after cursor or handler declaration" "Variable or condition declaration after cursor or handler declaration"
"Cursor declaration after handler declaration" "Cursor declaration after handler declaration"
"Case not found for CASE statement" "Case not found for CASE statement"
"Configuration file '%-.64s' is too big"
"Malformed file type header in file '%-.64s'"
"Unexpected end of file during parsing comment '%-.64s'"
"Error during parsing parameter '%-.64s' (line: '%-.64s')"
"Unexpected end of file during skipping unknown parameter '%-.64s'"
...@@ -339,3 +339,8 @@ character-set=latin2 ...@@ -339,3 +339,8 @@ character-set=latin2
"Variable or condition declaration after cursor or handler declaration" "Variable or condition declaration after cursor or handler declaration"
"Cursor declaration after handler declaration" "Cursor declaration after handler declaration"
"Case not found for CASE statement" "Case not found for CASE statement"
"Configuration file '%-.64s' is too big"
"Malformed file type header in file '%-.64s'"
"Unexpected end of file during parsing comment '%-.64s'"
"Error during parsing parameter '%-.64s' (line: '%-.64s')"
"Unexpected end of file during skipping unknown parameter '%-.64s'"
...@@ -336,3 +336,8 @@ character-set=latin1 ...@@ -336,3 +336,8 @@ character-set=latin1
"Variable or condition declaration after cursor or handler declaration" "Variable or condition declaration after cursor or handler declaration"
"Cursor declaration after handler declaration" "Cursor declaration after handler declaration"
"Case not found for CASE statement" "Case not found for CASE statement"
"Configuration file '%-.64s' is too big"
"Malformed file type header in file '%-.64s'"
"Unexpected end of file during parsing comment '%-.64s'"
"Error during parsing parameter '%-.64s' (line: '%-.64s')"
"Unexpected end of file during skipping unknown parameter '%-.64s'"
...@@ -339,3 +339,8 @@ character-set=latin2 ...@@ -339,3 +339,8 @@ character-set=latin2
"Variable or condition declaration after cursor or handler declaration" "Variable or condition declaration after cursor or handler declaration"
"Cursor declaration after handler declaration" "Cursor declaration after handler declaration"
"Case not found for CASE statement" "Case not found for CASE statement"
"Configuration file '%-.64s' is too big"
"Malformed file type header in file '%-.64s'"
"Unexpected end of file during parsing comment '%-.64s'"
"Error during parsing parameter '%-.64s' (line: '%-.64s')"
"Unexpected end of file during skipping unknown parameter '%-.64s'"
...@@ -337,3 +337,8 @@ character-set=koi8r ...@@ -337,3 +337,8 @@ character-set=koi8r
"Variable or condition declaration after cursor or handler declaration" "Variable or condition declaration after cursor or handler declaration"
"Cursor declaration after handler declaration" "Cursor declaration after handler declaration"
"Case not found for CASE statement" "Case not found for CASE statement"
" '%-.64s'"
" '%-.64s'"
" '%-.64s'"
" '%-.64s' (: '%-.64s')"
" '%-.64s'"
...@@ -329,3 +329,8 @@ character-set=cp1250 ...@@ -329,3 +329,8 @@ character-set=cp1250
"Variable or condition declaration after cursor or handler declaration" "Variable or condition declaration after cursor or handler declaration"
"Cursor declaration after handler declaration" "Cursor declaration after handler declaration"
"Case not found for CASE statement" "Case not found for CASE statement"
"Configuration file '%-.64s' is too big"
"Malformed file type header in file '%-.64s'"
"Unexpected end of file during parsing comment '%-.64s'"
"Error during parsing parameter '%-.64s' (line: '%-.64s')"
"Unexpected end of file during skipping unknown parameter '%-.64s'"
...@@ -343,3 +343,8 @@ character-set=latin2 ...@@ -343,3 +343,8 @@ character-set=latin2
"Variable or condition declaration after cursor or handler declaration" "Variable or condition declaration after cursor or handler declaration"
"Cursor declaration after handler declaration" "Cursor declaration after handler declaration"
"Case not found for CASE statement" "Case not found for CASE statement"
"Configuration file '%-.64s' is too big"
"Malformed file type header in file '%-.64s'"
"Unexpected end of file during parsing comment '%-.64s'"
"Error during parsing parameter '%-.64s' (line: '%-.64s')"
"Unexpected end of file during skipping unknown parameter '%-.64s'"
...@@ -337,3 +337,8 @@ character-set=latin1 ...@@ -337,3 +337,8 @@ character-set=latin1
"Variable or condition declaration after cursor or handler declaration" "Variable or condition declaration after cursor or handler declaration"
"Cursor declaration after handler declaration" "Cursor declaration after handler declaration"
"Case not found for CASE statement" "Case not found for CASE statement"
"Configuration file '%-.64s' is too big"
"Malformed file type header in file '%-.64s'"
"Unexpected end of file during parsing comment '%-.64s'"
"Error during parsing parameter '%-.64s' (line: '%-.64s')"
"Unexpected end of file during skipping unknown parameter '%-.64s'"
...@@ -335,3 +335,8 @@ character-set=latin1 ...@@ -335,3 +335,8 @@ character-set=latin1
"Variable or condition declaration after cursor or handler declaration" "Variable or condition declaration after cursor or handler declaration"
"Cursor declaration after handler declaration" "Cursor declaration after handler declaration"
"Case not found for CASE statement" "Case not found for CASE statement"
"Configuration file '%-.64s' is too big"
"Malformed file type header in file '%-.64s'"
"Unexpected end of file during parsing comment '%-.64s'"
"Error during parsing parameter '%-.64s' (line: '%-.64s')"
"Unexpected end of file during skipping unknown parameter '%-.64s'"
...@@ -340,3 +340,8 @@ character-set=koi8u ...@@ -340,3 +340,8 @@ character-set=koi8u
"Variable or condition declaration after cursor or handler declaration" "Variable or condition declaration after cursor or handler declaration"
"Cursor declaration after handler declaration" "Cursor declaration after handler declaration"
"Case not found for CASE statement" "Case not found for CASE statement"
" Ʀæ '%-.64s'"
"צ ̦ '%-.64s'"
"Ħ ˦ Ҧ '%-.64s'"
" ЦΦ '%-.64s' (: '%-.64s')"
"Ħ ˦ ¦ צ '%-.64s'"
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