charset.cc File Reference

#include "my_config.h"
#include <fcntl.h>
#include <stdio.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <algorithm>
#include <mutex>
#include <unordered_map>
#include "m_ctype.h"
#include "m_string.h"
#include "my_compiler.h"
#include "my_dbug.h"
#include "my_dir.h"
#include "my_inttypes.h"
#include "my_io.h"
#include "my_loglevel.h"
#include "my_macros.h"
#include "my_sys.h"
#include "my_thread.h"
#include "my_xml.h"
#include "mysql/psi/mysql_file.h"
#include "mysql/psi/mysql_mutex.h"
#include "mysql/service_mysql_alloc.h"
#include "mysys/mysys_priv.h"
#include "mysys_err.h"
#include "sql_chars.h"

Macros
#define	MY_CS_BUFFER_SIZE   (MY_CS_NAME_SIZE * 8)
#define	MY_MAX_ALLOWED_BUF   1024 * 1024
#define	MY_CHARSET_INDEX   "Index.xml"

Functions
static void	map_coll_name_to_number (const char *name, int num)
static void	map_cs_name_to_number (const char *name, int num, int state)
static uint	get_collation_number_internal (const char *name)
static void	simple_cs_init_functions (CHARSET_INFO *cs)
static bool	cs_copy_data (CHARSET_INFO *to, CHARSET_INFO *from)
static bool	simple_cs_is_full (CHARSET_INFO *cs)
static void	copy_uca_collation (CHARSET_INFO *to, CHARSET_INFO *from)
static void	clear_cs_info (CHARSET_INFO *cs)
static void	default_reporter (enum loglevel level, uint ecode,...)
	Report character set initialization errors and warnings. More...
static bool	my_read_charset_file (MY_CHARSET_LOADER *loader, const char *filename, myf myflags)
char *	get_charsets_dir (char *buf)
void	add_compiled_collation (CHARSET_INFO *cs)
static void	init_available_charsets (void)
static const char *	get_collation_name_alias (const char *name, char *buf, size_t bufsize)
uint	get_collation_number (const char *name)
static uint	get_charset_number_internal (const char *charset_name, uint cs_flags)
static const char *	get_charset_name_alias (const char *name)
uint	get_charset_number (const char *charset_name, uint cs_flags)
const char *	get_collation_name (uint charset_number)
static CHARSET_INFO *	get_internal_charset (MY_CHARSET_LOADER *loader_arg, uint cs_number, myf flags)
CHARSET_INFO *	get_charset (uint cs_number, myf flags)
CHARSET_INFO *	my_collation_get_by_name (MY_CHARSET_LOADER *loader, const char *name, myf flags)
	Find collation by name: extended version of get_charset_by_name() to return error messages to the caller. More...
CHARSET_INFO *	get_charset_by_name (const char *cs_name, myf flags)
CHARSET_INFO *	my_charset_get_by_name (MY_CHARSET_LOADER *loader, const char *cs_name, uint cs_flags, myf flags)
	Find character set by name: extended version of get_charset_by_csname() to return error messages to the caller. More...
CHARSET_INFO *	get_charset_by_csname (const char *cs_name, uint cs_flags, myf flags)
bool	resolve_charset (const char *cs_name, const CHARSET_INFO *default_cs, const CHARSET_INFO **cs)
	Resolve character set by the character set name (utf8, latin1, ...). More...
bool	resolve_collation (const char *cl_name, const CHARSET_INFO *default_cl, const CHARSET_INFO **cl)
	Resolve collation by the collation name (utf8_general_ci, ...). More...
size_t	escape_string_for_mysql (const CHARSET_INFO *charset_info, char *to, size_t to_length, const char *from, size_t length)
size_t	escape_quotes_for_mysql (CHARSET_INFO *charset_info, char *to, size_t to_length, const char *from, size_t length, char quote)
void	charset_uninit ()

Variables
CHARSET_INFO	my_charset_ucs2_unicode_ci
CHARSET_INFO	my_charset_utf8mb4_unicode_ci
CHARSET_INFO	my_charset_utf16_unicode_ci
CHARSET_INFO	my_charset_utf32_unicode_ci
CHARSET_INFO	my_charset_cp932_japanese_ci
std::unordered_map< std::string, int > *	coll_name_num_map = nullptr
std::unordered_map< std::string, int > *	cs_name_pri_num_map = nullptr
std::unordered_map< std::string, int > *	cs_name_bin_num_map = nullptr
my_error_reporter	my_charset_error_reporter = default_reporter
const char *	charsets_dir = nullptr
CHARSET_INFO *	all_charsets [MY_ALL_CHARSETS_SIZE] = {nullptr}
CHARSET_INFO *	default_charset_info = &my_charset_latin1
static std::once_flag	charsets_initialized

Macro Definition Documentation

MY_CHARSET_INDEX

#define MY_CHARSET_INDEX   "Index.xml"

MY_CS_BUFFER_SIZE

#define MY_CS_BUFFER_SIZE   (MY_CS_NAME_SIZE * 8)

MY_MAX_ALLOWED_BUF

#define MY_MAX_ALLOWED_BUF   1024 * 1024

Function Documentation

clear_cs_info()

static void clear_cs_info ( CHARSET_INFO *  cs )

static

copy_uca_collation()

static void copy_uca_collation ( CHARSET_INFO *  to, CHARSET_INFO *  from  )

static

cs_copy_data()

static bool cs_copy_data ( CHARSET_INFO *  to, CHARSET_INFO *  from  )

static

default_reporter()

static void default_reporter ( enum loglevel  level, uint  ecode,   ...  )

static

Report character set initialization errors and warnings.

Be silent by default: no warnings on the client side.

get_charset_name_alias()

static const char * get_charset_name_alias ( const char *  name )

static

get_charset_number_internal()

static uint get_charset_number_internal ( const char *  charset_name, uint  cs_flags  )

static

get_collation_name_alias()

static const char * get_collation_name_alias ( const char *  name, char *  buf, size_t  bufsize  )

static

get_collation_number_internal()

static uint get_collation_number_internal ( const char *  name )

static

get_internal_charset()

static CHARSET_INFO * get_internal_charset ( MY_CHARSET_LOADER *  loader_arg, uint  cs_number, myf  flags  )

static

init_available_charsets()

static void init_available_charsets ( void  )

static

map_coll_name_to_number()

static void map_coll_name_to_number ( const char *  name, int  num  )

static

map_cs_name_to_number()

static void map_cs_name_to_number ( const char *  name, int  num, int  state  )

static

my_read_charset_file()

static bool my_read_charset_file ( MY_CHARSET_LOADER *  loader, const char *  filename, myf  myflags  )

static

simple_cs_init_functions()

static void simple_cs_init_functions ( CHARSET_INFO *  cs )

static

simple_cs_is_full()

static bool simple_cs_is_full ( CHARSET_INFO *  cs )

static

Variable Documentation

charsets_initialized

std::once_flag charsets_initialized

static

coll_name_num_map

std::unordered_map<std::string, int>* coll_name_num_map = nullptr

cs_name_bin_num_map

std::unordered_map<std::string, int>* cs_name_bin_num_map = nullptr

cs_name_pri_num_map

std::unordered_map<std::string, int>* cs_name_pri_num_map = nullptr

my_charset_cp932_japanese_ci

CHARSET_INFO my_charset_cp932_japanese_ci

extern

my_charset_ucs2_unicode_ci

CHARSET_INFO my_charset_ucs2_unicode_ci

extern

my_charset_utf16_unicode_ci

CHARSET_INFO my_charset_utf16_unicode_ci

extern

my_charset_utf32_unicode_ci

CHARSET_INFO my_charset_utf32_unicode_ci

extern

my_charset_utf8mb4_unicode_ci

CHARSET_INFO my_charset_utf8mb4_unicode_ci

extern