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- /* Copyright (c) 2000, 2013, Oracle and/or its affiliates.
- 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 02110-1301 USA */
- /*
- A better inplementation of the UNIX ctype(3) library.
- */
- #ifndef _m_ctype_h
- #define _m_ctype_h
- #include <my_attribute.h>
- #include "my_global.h" /* uint16, uchar */
- enum loglevel {
- ERROR_LEVEL= 0,
- WARNING_LEVEL= 1,
- INFORMATION_LEVEL= 2
- };
- #ifdef __cplusplus
- extern "C" {
- #endif
- #define MY_CS_NAME_SIZE 32
- #define MY_CS_CTYPE_TABLE_SIZE 257
- #define MY_CS_TO_LOWER_TABLE_SIZE 256
- #define MY_CS_TO_UPPER_TABLE_SIZE 256
- #define MY_CS_SORT_ORDER_TABLE_SIZE 256
- #define MY_CS_TO_UNI_TABLE_SIZE 256
- #define CHARSET_DIR "charsets/"
- #define my_wc_t ulong
- #define MY_CS_REPLACEMENT_CHARACTER 0xFFFD
- /*
- On i386 we store Unicode->CS conversion tables for
- some character sets using Big-endian order,
- to copy two bytes at onces.
- This gives some performance improvement.
- */
- #ifdef __i386__
- #define MB2(x) (((x) >> 8) + (((x) & 0xFF) << 8))
- #define MY_PUT_MB2(s, code) { *((uint16*)(s))= (code); }
- #else
- #define MB2(x) (x)
- #define MY_PUT_MB2(s, code) { (s)[0]= code >> 8; (s)[1]= code & 0xFF; }
- #endif
- typedef const struct my_charset_handler_st MY_CHARSET_HANDLER;
- typedef const struct my_collation_handler_st MY_COLLATION_HANDLER;
- typedef const struct unicase_info_st MY_UNICASE_INFO;
- typedef const struct uni_ctype_st MY_UNI_CTYPE;
- typedef const struct my_uni_idx_st MY_UNI_IDX;
- typedef struct unicase_info_char_st
- {
- uint32 toupper;
- uint32 tolower;
- uint32 sort;
- } MY_UNICASE_CHARACTER;
- struct unicase_info_st
- {
- my_wc_t maxchar;
- MY_UNICASE_CHARACTER **page;
- };
- extern MY_UNICASE_INFO my_unicase_default;
- extern MY_UNICASE_INFO my_unicase_turkish;
- extern MY_UNICASE_INFO my_unicase_mysql500;
- extern MY_UNICASE_INFO my_unicase_unicode520;
- #define MY_UCA_MAX_CONTRACTION 6
- /*
- The DUCET tables in ctype-uca.c are dumped with a limit of 8 weights
- per character. cs->strxfrm_multiply is set to 8 for all UCA based collations.
- In language-specific UCA collations (with tailorings) we also do not allow
- a single character to have more than 8 weights to stay with the same
- strxfrm_multiply limit. Note, contractions are allowed to have twice longer
- weight strings (up to 16 weights). As a contraction consists of at
- least 2 characters, this makes sure that strxfrm_multiply ratio of 8
- is respected.
- */
- #define MY_UCA_MAX_WEIGHT_SIZE (8+1) /* Including 0 terminator */
- #define MY_UCA_CONTRACTION_MAX_WEIGHT_SIZE (2*8+1) /* Including 0 terminator */
- #define MY_UCA_WEIGHT_LEVELS 2
- typedef struct my_contraction_t
- {
- my_wc_t ch[MY_UCA_MAX_CONTRACTION]; /* Character sequence */
- uint16 weight[MY_UCA_CONTRACTION_MAX_WEIGHT_SIZE];/* Its weight string, 0-terminated */
- my_bool with_context;
- } MY_CONTRACTION;
- typedef struct my_contraction_list_t
- {
- size_t nitems; /* Number of items in the list */
- MY_CONTRACTION *item; /* List of contractions */
- char *flags; /* Character flags, e.g. "is contraction head") */
- } MY_CONTRACTIONS;
- my_bool my_uca_can_be_contraction_head(const MY_CONTRACTIONS *c, my_wc_t wc);
- my_bool my_uca_can_be_contraction_tail(const MY_CONTRACTIONS *c, my_wc_t wc);
- uint16 *my_uca_contraction2_weight(const MY_CONTRACTIONS *c,
- my_wc_t wc1, my_wc_t wc2);
- /* Collation weights on a single level (e.g. primary, secondary, tertiarty) */
- typedef struct my_uca_level_info_st
- {
- my_wc_t maxchar;
- uchar *lengths;
- uint16 **weights;
- MY_CONTRACTIONS contractions;
- uint levelno;
- } MY_UCA_WEIGHT_LEVEL;
- typedef struct uca_info_st
- {
- MY_UCA_WEIGHT_LEVEL level[MY_UCA_WEIGHT_LEVELS];
- /* Logical positions */
- my_wc_t first_non_ignorable;
- my_wc_t last_non_ignorable;
- my_wc_t first_primary_ignorable;
- my_wc_t last_primary_ignorable;
- my_wc_t first_secondary_ignorable;
- my_wc_t last_secondary_ignorable;
- my_wc_t first_tertiary_ignorable;
- my_wc_t last_tertiary_ignorable;
- my_wc_t first_trailing;
- my_wc_t last_trailing;
- my_wc_t first_variable;
- my_wc_t last_variable;
- } MY_UCA_INFO;
- extern MY_UCA_INFO my_uca_v400;
- struct uni_ctype_st
- {
- uchar pctype;
- const uchar *ctype;
- };
- extern MY_UNI_CTYPE my_uni_ctype[256];
- /* wm_wc and wc_mb return codes */
- #define MY_CS_ILSEQ 0 /* Wrong by sequence: wb_wc */
- #define MY_CS_ILUNI 0 /* Cannot encode Unicode to charset: wc_mb */
- #define MY_CS_TOOSMALL -101 /* Need at least one byte: wc_mb and mb_wc */
- #define MY_CS_TOOSMALL2 -102 /* Need at least two bytes: wc_mb and mb_wc */
- #define MY_CS_TOOSMALL3 -103 /* Need at least three bytes: wc_mb and mb_wc */
- /* These following three are currently not really used */
- #define MY_CS_TOOSMALL4 -104 /* Need at least 4 bytes: wc_mb and mb_wc */
- #define MY_CS_TOOSMALL5 -105 /* Need at least 5 bytes: wc_mb and mb_wc */
- #define MY_CS_TOOSMALL6 -106 /* Need at least 6 bytes: wc_mb and mb_wc */
- /* A helper macros for "need at least n bytes" */
- #define MY_CS_TOOSMALLN(n) (-100-(n))
- #define MY_SEQ_INTTAIL 1
- #define MY_SEQ_SPACES 2
- /* My charsets_list flags */
- #define MY_CS_COMPILED 1 /* compiled-in sets */
- #define MY_CS_CONFIG 2 /* sets that have a *.conf file */
- #define MY_CS_INDEX 4 /* sets listed in the Index file */
- #define MY_CS_LOADED 8 /* sets that are currently loaded */
- #define MY_CS_BINSORT 16 /* if binary sort order */
- #define MY_CS_PRIMARY 32 /* if primary collation */
- #define MY_CS_STRNXFRM 64 /* if strnxfrm is used for sort */
- #define MY_CS_UNICODE 128 /* is a charset is BMP Unicode */
- #define MY_CS_READY 256 /* if a charset is initialized */
- #define MY_CS_AVAILABLE 512 /* If either compiled-in or loaded*/
- #define MY_CS_CSSORT 1024 /* if case sensitive sort order */
- #define MY_CS_HIDDEN 2048 /* don't display in SHOW */
- #define MY_CS_PUREASCII 4096 /* if a charset is pure ascii */
- #define MY_CS_NONASCII 8192 /* if not ASCII-compatible */
- #define MY_CS_UNICODE_SUPPLEMENT 16384 /* Non-BMP Unicode characters */
- #define MY_CS_LOWER_SORT 32768 /* If use lower case as weight */
- #define MY_CS_STRNXFRM_BAD_NWEIGHTS 0x10000 /* strnxfrm ignores "nweights" */
- #define MY_CS_NOPAD 0x20000 /* if does not ignore trailing spaces */
- #define MY_CS_NON1TO1 0x40000 /* Has a complex mapping from characters
- to weights, e.g. contractions, expansions,
- ignorable characters */
- #define MY_CHARSET_UNDEFINED 0
- /* Character repertoire flags */
- #define MY_REPERTOIRE_ASCII 1 /* Pure ASCII U+0000..U+007F */
- #define MY_REPERTOIRE_EXTENDED 2 /* Extended characters: U+0080..U+FFFF */
- #define MY_REPERTOIRE_UNICODE30 3 /* ASCII | EXTENDED: U+0000..U+FFFF */
- /* Flags for strxfrm */
- #define MY_STRXFRM_LEVEL1 0x00000001 /* for primary weights */
- #define MY_STRXFRM_LEVEL2 0x00000002 /* for secondary weights */
- #define MY_STRXFRM_LEVEL3 0x00000004 /* for tertiary weights */
- #define MY_STRXFRM_LEVEL4 0x00000008 /* fourth level weights */
- #define MY_STRXFRM_LEVEL5 0x00000010 /* fifth level weights */
- #define MY_STRXFRM_LEVEL6 0x00000020 /* sixth level weights */
- #define MY_STRXFRM_LEVEL_ALL 0x0000003F /* Bit OR for the above six */
- #define MY_STRXFRM_NLEVELS 6 /* Number of possible levels*/
- #define MY_STRXFRM_PAD_WITH_SPACE 0x00000040 /* if pad result with spaces */
- #define MY_STRXFRM_PAD_TO_MAXLEN 0x00000080 /* if pad tail(for filesort) */
- #define MY_STRXFRM_DESC_LEVEL1 0x00000100 /* if desc order for level1 */
- #define MY_STRXFRM_DESC_LEVEL2 0x00000200 /* if desc order for level2 */
- #define MY_STRXFRM_DESC_LEVEL3 0x00000300 /* if desc order for level3 */
- #define MY_STRXFRM_DESC_LEVEL4 0x00000800 /* if desc order for level4 */
- #define MY_STRXFRM_DESC_LEVEL5 0x00001000 /* if desc order for level5 */
- #define MY_STRXFRM_DESC_LEVEL6 0x00002000 /* if desc order for level6 */
- #define MY_STRXFRM_DESC_SHIFT 8
- #define MY_STRXFRM_UNUSED_00004000 0x00004000 /* for future extensions */
- #define MY_STRXFRM_UNUSED_00008000 0x00008000 /* for future extensions */
- #define MY_STRXFRM_REVERSE_LEVEL1 0x00010000 /* if reverse order for level1 */
- #define MY_STRXFRM_REVERSE_LEVEL2 0x00020000 /* if reverse order for level2 */
- #define MY_STRXFRM_REVERSE_LEVEL3 0x00040000 /* if reverse order for level3 */
- #define MY_STRXFRM_REVERSE_LEVEL4 0x00080000 /* if reverse order for level4 */
- #define MY_STRXFRM_REVERSE_LEVEL5 0x00100000 /* if reverse order for level5 */
- #define MY_STRXFRM_REVERSE_LEVEL6 0x00200000 /* if reverse order for level6 */
- #define MY_STRXFRM_REVERSE_SHIFT 16
- /*
- Collation IDs for MariaDB that should not conflict with MySQL.
- We reserve 256..511, because MySQL will most likely use this range
- when the range 0..255 is full.
- We use the next 256 IDs starting from 512 and divide
- them into 8 chunks, 32 collations each, as follows:
- 512 + (0..31) for single byte collations (e.g. latin9)
- 512 + (32..63) reserved (e.g. for utf32le, or more single byte collations)
- 512 + (64..95) for utf8
- 512 + (96..127) for utf8mb4
- 512 + (128..159) for ucs2
- 512 + (160..192) for utf16
- 512 + (192..223) for utf16le
- 512 + (224..255) for utf32
- */
- #define MY_PAGE2_COLLATION_ID_8BIT 0x200
- #define MY_PAGE2_COLLATION_ID_RESERVED 0x220
- #define MY_PAGE2_COLLATION_ID_UTF8 0x240
- #define MY_PAGE2_COLLATION_ID_UTF8MB4 0x260
- #define MY_PAGE2_COLLATION_ID_UCS2 0x280
- #define MY_PAGE2_COLLATION_ID_UTF16 0x2A0
- #define MY_PAGE2_COLLATION_ID_UTF16LE 0x2C0
- #define MY_PAGE2_COLLATION_ID_UTF32 0x2E0
- struct my_uni_idx_st
- {
- uint16 from;
- uint16 to;
- const uchar *tab;
- };
- typedef struct
- {
- uint beg;
- uint end;
- uint mb_len;
- } my_match_t;
- enum my_lex_states
- {
- MY_LEX_START, MY_LEX_CHAR, MY_LEX_IDENT,
- MY_LEX_IDENT_SEP, MY_LEX_IDENT_START,
- MY_LEX_REAL, MY_LEX_HEX_NUMBER, MY_LEX_BIN_NUMBER,
- MY_LEX_CMP_OP, MY_LEX_LONG_CMP_OP, MY_LEX_STRING, MY_LEX_COMMENT, MY_LEX_END,
- MY_LEX_OPERATOR_OR_IDENT, MY_LEX_NUMBER_IDENT, MY_LEX_INT_OR_REAL,
- MY_LEX_REAL_OR_POINT, MY_LEX_BOOL, MY_LEX_EOL, MY_LEX_ESCAPE,
- MY_LEX_LONG_COMMENT, MY_LEX_END_LONG_COMMENT, MY_LEX_SEMICOLON,
- MY_LEX_SET_VAR, MY_LEX_USER_END, MY_LEX_HOSTNAME, MY_LEX_SKIP,
- MY_LEX_USER_VARIABLE_DELIMITER, MY_LEX_SYSTEM_VAR,
- MY_LEX_IDENT_OR_KEYWORD,
- MY_LEX_IDENT_OR_HEX, MY_LEX_IDENT_OR_BIN, MY_LEX_IDENT_OR_NCHAR,
- MY_LEX_STRING_OR_DELIMITER, MY_LEX_MINUS_OR_COMMENT, MY_LEX_PLACEHOLDER,
- MY_LEX_COMMA
- };
- struct charset_info_st;
- typedef struct my_charset_loader_st
- {
- char error[128];
- void *(*once_alloc)(size_t);
- void *(*malloc)(size_t);
- void *(*realloc)(void *, size_t);
- void (*free)(void *);
- void (*reporter)(enum loglevel, const char *format, ...);
- int (*add_collation)(struct charset_info_st *cs);
- } MY_CHARSET_LOADER;
- extern int (*my_string_stack_guard)(int);
- /* See strings/CHARSET_INFO.txt for information about this structure */
- struct my_collation_handler_st
- {
- my_bool (*init)(struct charset_info_st *, MY_CHARSET_LOADER *);
- /* Collation routines */
- int (*strnncoll)(CHARSET_INFO *,
- const uchar *, size_t, const uchar *, size_t, my_bool);
- int (*strnncollsp)(CHARSET_INFO *,
- const uchar *, size_t, const uchar *, size_t,
- my_bool diff_if_only_endspace_difference);
- size_t (*strnxfrm)(CHARSET_INFO *,
- uchar *dst, size_t dstlen, uint nweights,
- const uchar *src, size_t srclen, uint flags);
- size_t (*strnxfrmlen)(CHARSET_INFO *, size_t);
- my_bool (*like_range)(CHARSET_INFO *,
- const char *s, size_t s_length,
- pchar w_prefix, pchar w_one, pchar w_many,
- size_t res_length,
- char *min_str, char *max_str,
- size_t *min_len, size_t *max_len);
- int (*wildcmp)(CHARSET_INFO *,
- const char *str,const char *str_end,
- const char *wildstr,const char *wildend,
- int escape,int w_one, int w_many);
- int (*strcasecmp)(CHARSET_INFO *, const char *, const char *);
-
- uint (*instr)(CHARSET_INFO *,
- const char *b, size_t b_length,
- const char *s, size_t s_length,
- my_match_t *match, uint nmatch);
-
- /* Hash calculation */
- void (*hash_sort)(CHARSET_INFO *cs, const uchar *key, size_t len,
- ulong *nr1, ulong *nr2);
- my_bool (*propagate)(CHARSET_INFO *cs, const uchar *str, size_t len);
- };
- extern MY_COLLATION_HANDLER my_collation_8bit_bin_handler;
- extern MY_COLLATION_HANDLER my_collation_8bit_simple_ci_handler;
- extern MY_COLLATION_HANDLER my_collation_ucs2_uca_handler;
- /* Some typedef to make it easy for C++ to make function pointers */
- typedef int (*my_charset_conv_mb_wc)(CHARSET_INFO *, my_wc_t *,
- const uchar *, const uchar *);
- typedef int (*my_charset_conv_wc_mb)(CHARSET_INFO *, my_wc_t,
- uchar *, uchar *);
- typedef size_t (*my_charset_conv_case)(CHARSET_INFO *,
- char *, size_t, char *, size_t);
- /*
- A structure to return the statistics of a native string copying,
- when no Unicode conversion is involved.
- The stucture is OK to be unitialized before calling a copying routine.
- A copying routine must populate the structure as follows:
- - m_source_end_pos must be set by to a non-NULL value
- in the range of the input string.
- - m_well_formed_error_pos must be set to NULL if the string was
- well formed, or to the position of the leftmost bad byte sequence.
- */
- typedef struct
- {
- const char *m_source_end_pos; /* Position where reading stopped */
- const char *m_well_formed_error_pos; /* Position where a bad byte was found*/
- } MY_STRCOPY_STATUS;
- /*
- A structure to return the statistics of a Unicode string conversion.
- */
- typedef struct
- {
- MY_STRCOPY_STATUS m_native_copy_status;
- const char *m_cannot_convert_error_pos;
- } MY_STRCONV_STATUS;
- /* See strings/CHARSET_INFO.txt about information on this structure */
- struct my_charset_handler_st
- {
- my_bool (*init)(struct charset_info_st *, MY_CHARSET_LOADER *loader);
- /* Multibyte routines */
- uint (*ismbchar)(CHARSET_INFO *, const char *, const char *);
- uint (*mbcharlen)(CHARSET_INFO *, uint c);
- size_t (*numchars)(CHARSET_INFO *, const char *b, const char *e);
- size_t (*charpos)(CHARSET_INFO *, const char *b, const char *e,
- size_t pos);
- size_t (*well_formed_len)(CHARSET_INFO *,
- const char *b,const char *e,
- size_t nchars, int *error);
- size_t (*lengthsp)(CHARSET_INFO *, const char *ptr, size_t length);
- size_t (*numcells)(CHARSET_INFO *, const char *b, const char *e);
-
- /* Unicode conversion */
- my_charset_conv_mb_wc mb_wc;
- my_charset_conv_wc_mb wc_mb;
- /* CTYPE scanner */
- int (*ctype)(CHARSET_INFO *cs, int *ctype,
- const uchar *s, const uchar *e);
-
- /* Functions for case and sort conversion */
- size_t (*caseup_str)(CHARSET_INFO *, char *);
- size_t (*casedn_str)(CHARSET_INFO *, char *);
- my_charset_conv_case caseup;
- my_charset_conv_case casedn;
- /* Charset dependant snprintf() */
- size_t (*snprintf)(CHARSET_INFO *, char *to, size_t n,
- const char *fmt,
- ...) ATTRIBUTE_FORMAT_FPTR(printf, 4, 5);
- size_t (*long10_to_str)(CHARSET_INFO *, char *to, size_t n,
- int radix, long int val);
- size_t (*longlong10_to_str)(CHARSET_INFO *, char *to, size_t n,
- int radix, longlong val);
-
- void (*fill)(CHARSET_INFO *, char *to, size_t len, int fill);
-
- /* String-to-number conversion routines */
- long (*strntol)(CHARSET_INFO *, const char *s, size_t l,
- int base, char **e, int *err);
- ulong (*strntoul)(CHARSET_INFO *, const char *s, size_t l,
- int base, char **e, int *err);
- longlong (*strntoll)(CHARSET_INFO *, const char *s, size_t l,
- int base, char **e, int *err);
- ulonglong (*strntoull)(CHARSET_INFO *, const char *s, size_t l,
- int base, char **e, int *err);
- double (*strntod)(CHARSET_INFO *, char *s, size_t l, char **e,
- int *err);
- longlong (*strtoll10)(CHARSET_INFO *cs,
- const char *nptr, char **endptr, int *error);
- ulonglong (*strntoull10rnd)(CHARSET_INFO *cs,
- const char *str, size_t length,
- int unsigned_fl,
- char **endptr, int *error);
- size_t (*scan)(CHARSET_INFO *, const char *b, const char *e,
- int sq);
- /* String copying routines and helpers for them */
- /*
- charlen() - calculate length of the left-most character in bytes.
- @param cs Character set
- @param str The beginning of the string
- @param end The end of the string
-
- @return MY_CS_ILSEQ if a bad byte sequence was found.
- @return MY_CS_TOOSMALLN(x) if the string ended unexpectedly.
- @return a positive number in the range 1..mbmaxlen,
- if a valid character was found.
- */
- int (*charlen)(CHARSET_INFO *cs, const uchar *str, const uchar *end);
- /*
- well_formed_char_length() - returns character length of a string.
-
- @param cs Character set
- @param str The beginning of the string
- @param end The end of the string
- @param nchars Not more than "nchars" left-most characters are checked.
- @param status[OUT] Additional statistics is returned here.
- "status" can be uninitialized before the call,
- and it is fully initialized after the call.
-
- status->m_source_end_pos is set to the position where reading stopped.
-
- If a bad byte sequence is found, the function returns immediately and
- status->m_well_formed_error_pos is set to the position where a bad byte
- sequence was found.
-
- status->m_well_formed_error_pos is set to NULL if no bad bytes were found.
- If status->m_well_formed_error_pos is NULL after the call, that means:
- - either the function reached the end of the string,
- - or all "nchars" characters were read.
- The caller can check status->m_source_end_pos to detect which of these two
- happened.
- */
- size_t (*well_formed_char_length)(CHARSET_INFO *cs,
- const char *str, const char *end,
- size_t nchars,
- MY_STRCOPY_STATUS *status);
- /*
- copy_fix() - copy a string, replace bad bytes to '?'.
- Not more than "nchars" characters are copied.
- status->m_source_end_pos is set to a position in the range
- between "src" and "src + src_length", where reading stopped.
- status->m_well_formed_error_pos is set to NULL if the string
- in the range "src" and "status->m_source_end_pos" was well formed,
- or is set to a position between "src" and "src + src_length" where
- the leftmost bad byte sequence was found.
- */
- size_t (*copy_fix)(CHARSET_INFO *,
- char *dst, size_t dst_length,
- const char *src, size_t src_length,
- size_t nchars, MY_STRCOPY_STATUS *status);
- /**
- Write a character to the target string, using its native code.
- For Unicode character sets (utf8, ucs2, utf16, utf16le, utf32, filename)
- native codes are equvalent to Unicode code points.
- For 8bit character sets the native code is just the byte value.
- For Asian characters sets:
- - MB1 native code is just the byte value (e.g. on the ASCII range)
- - MB2 native code is ((b0 << 8) + b1).
- - MB3 native code is ((b0 <<16) + (b1 << 8) + b2)
- Note, CHARSET_INFO::min_sort_char and CHARSET_INFO::max_sort_char
- are defined in native notation and should be written using
- cs->cset->native_to_mb() rather than cs->cset->wc_mb().
- */
- my_charset_conv_wc_mb native_to_mb;
- };
- extern MY_CHARSET_HANDLER my_charset_8bit_handler;
- extern MY_CHARSET_HANDLER my_charset_ucs2_handler;
- extern MY_CHARSET_HANDLER my_charset_utf8_handler;
- /*
- We define this CHARSET_INFO_DEFINED here to prevent a repeat of the
- typedef in hash.c, which will cause a compiler error.
- */
- #define CHARSET_INFO_DEFINED
- /* See strings/CHARSET_INFO.txt about information on this structure */
- struct charset_info_st
- {
- uint number;
- uint primary_number;
- uint binary_number;
- uint state;
- const char *csname;
- const char *name;
- const char *comment;
- const char *tailoring;
- const uchar *ctype;
- const uchar *to_lower;
- const uchar *to_upper;
- const uchar *sort_order;
- MY_UCA_INFO *uca;
- const uint16 *tab_to_uni;
- MY_UNI_IDX *tab_from_uni;
- MY_UNICASE_INFO *caseinfo;
- const uchar *state_map;
- const uchar *ident_map;
- uint strxfrm_multiply;
- uchar caseup_multiply;
- uchar casedn_multiply;
- uint mbminlen;
- uint mbmaxlen;
- my_wc_t min_sort_char;
- my_wc_t max_sort_char; /* For LIKE optimization */
- uchar pad_char;
- my_bool escape_with_backslash_is_dangerous;
- uchar levels_for_order;
-
- MY_CHARSET_HANDLER *cset;
- MY_COLLATION_HANDLER *coll;
-
- };
- #define ILLEGAL_CHARSET_INFO_NUMBER (~0U)
- extern MYSQL_PLUGIN_IMPORT struct charset_info_st my_charset_bin;
- extern MYSQL_PLUGIN_IMPORT struct charset_info_st my_charset_latin1;
- extern MYSQL_PLUGIN_IMPORT struct charset_info_st my_charset_filename;
- extern MYSQL_PLUGIN_IMPORT struct charset_info_st my_charset_utf8_general_ci;
- extern struct charset_info_st my_charset_big5_bin;
- extern struct charset_info_st my_charset_big5_chinese_ci;
- extern struct charset_info_st my_charset_cp1250_czech_ci;
- extern struct charset_info_st my_charset_cp932_bin;
- extern struct charset_info_st my_charset_cp932_japanese_ci;
- extern struct charset_info_st my_charset_eucjpms_bin;
- extern struct charset_info_st my_charset_eucjpms_japanese_ci;
- extern struct charset_info_st my_charset_euckr_bin;
- extern struct charset_info_st my_charset_euckr_korean_ci;
- extern struct charset_info_st my_charset_gb2312_bin;
- extern struct charset_info_st my_charset_gb2312_chinese_ci;
- extern struct charset_info_st my_charset_gbk_bin;
- extern struct charset_info_st my_charset_gbk_chinese_ci;
- extern struct charset_info_st my_charset_latin1_bin;
- extern struct charset_info_st my_charset_latin1_german2_ci;
- extern struct charset_info_st my_charset_latin2_czech_ci;
- extern struct charset_info_st my_charset_sjis_bin;
- extern struct charset_info_st my_charset_sjis_japanese_ci;
- extern struct charset_info_st my_charset_tis620_bin;
- extern struct charset_info_st my_charset_tis620_thai_ci;
- extern struct charset_info_st my_charset_ucs2_bin;
- extern struct charset_info_st my_charset_ucs2_general_ci;
- extern struct charset_info_st my_charset_ucs2_general_mysql500_ci;
- extern struct charset_info_st my_charset_ucs2_unicode_ci;
- extern struct charset_info_st my_charset_ucs2_general_mysql500_ci;
- extern struct charset_info_st my_charset_ujis_bin;
- extern struct charset_info_st my_charset_ujis_japanese_ci;
- extern struct charset_info_st my_charset_utf16_bin;
- extern struct charset_info_st my_charset_utf16_general_ci;
- extern struct charset_info_st my_charset_utf16_unicode_ci;
- extern struct charset_info_st my_charset_utf16le_bin;
- extern struct charset_info_st my_charset_utf16le_general_ci;
- extern struct charset_info_st my_charset_utf32_bin;
- extern struct charset_info_st my_charset_utf32_general_ci;
- extern struct charset_info_st my_charset_utf32_unicode_ci;
- extern struct charset_info_st my_charset_utf8_bin;
- extern struct charset_info_st my_charset_utf8_general_mysql500_ci;
- extern struct charset_info_st my_charset_utf8_unicode_ci;
- extern struct charset_info_st my_charset_utf8mb4_bin;
- extern struct charset_info_st my_charset_utf8mb4_general_ci;
- extern struct charset_info_st my_charset_utf8mb4_unicode_ci;
- #define MY_UTF8MB3 "utf8"
- #define MY_UTF8MB4 "utf8mb4"
- my_bool my_cs_have_contractions(CHARSET_INFO *cs);
- my_bool my_cs_can_be_contraction_head(CHARSET_INFO *cs, my_wc_t wc);
- my_bool my_cs_can_be_contraction_tail(CHARSET_INFO *cs, my_wc_t wc);
- const uint16 *my_cs_contraction2_weight(CHARSET_INFO *cs, my_wc_t wc1,
- my_wc_t wc2);
- /* declarations for simple charsets */
- extern size_t my_strnxfrm_simple(CHARSET_INFO *,
- uchar *dst, size_t dstlen, uint nweights,
- const uchar *src, size_t srclen, uint flags);
- size_t my_strnxfrmlen_simple(CHARSET_INFO *, size_t);
- extern int my_strnncoll_simple(CHARSET_INFO *, const uchar *, size_t,
- const uchar *, size_t, my_bool);
- extern int my_strnncollsp_simple(CHARSET_INFO *, const uchar *, size_t,
- const uchar *, size_t,
- my_bool diff_if_only_endspace_difference);
- extern void my_hash_sort_simple(CHARSET_INFO *cs,
- const uchar *key, size_t len,
- ulong *nr1, ulong *nr2);
- extern void my_hash_sort_bin(CHARSET_INFO *cs,
- const uchar *key, size_t len, ulong *nr1,
- ulong *nr2);
- extern size_t my_lengthsp_8bit(CHARSET_INFO *cs, const char *ptr, size_t length);
- extern uint my_instr_simple(CHARSET_INFO *,
- const char *b, size_t b_length,
- const char *s, size_t s_length,
- my_match_t *match, uint nmatch);
- size_t my_copy_8bit(CHARSET_INFO *,
- char *dst, size_t dst_length,
- const char *src, size_t src_length,
- size_t nchars, MY_STRCOPY_STATUS *);
- size_t my_copy_fix_mb(CHARSET_INFO *cs,
- char *dst, size_t dst_length,
- const char *src, size_t src_length,
- size_t nchars, MY_STRCOPY_STATUS *);
- /* Functions for 8bit */
- extern size_t my_caseup_str_8bit(CHARSET_INFO *, char *);
- extern size_t my_casedn_str_8bit(CHARSET_INFO *, char *);
- extern size_t my_caseup_8bit(CHARSET_INFO *, char *src, size_t srclen,
- char *dst, size_t dstlen);
- extern size_t my_casedn_8bit(CHARSET_INFO *, char *src, size_t srclen,
- char *dst, size_t dstlen);
- extern int my_strcasecmp_8bit(CHARSET_INFO * cs, const char *, const char *);
- int my_mb_wc_8bit(CHARSET_INFO *cs,my_wc_t *wc, const uchar *s,const uchar *e);
- int my_wc_mb_8bit(CHARSET_INFO *cs,my_wc_t wc, uchar *s, uchar *e);
- int my_wc_mb_bin(CHARSET_INFO *cs,my_wc_t wc, uchar *s, uchar *e);
- int my_mb_ctype_8bit(CHARSET_INFO *,int *, const uchar *,const uchar *);
- int my_mb_ctype_mb(CHARSET_INFO *,int *, const uchar *,const uchar *);
- size_t my_scan_8bit(CHARSET_INFO *cs, const char *b, const char *e, int sq);
- size_t my_snprintf_8bit(CHARSET_INFO *, char *to, size_t n,
- const char *fmt, ...)
- ATTRIBUTE_FORMAT(printf, 4, 5);
- long my_strntol_8bit(CHARSET_INFO *, const char *s, size_t l, int base,
- char **e, int *err);
- ulong my_strntoul_8bit(CHARSET_INFO *, const char *s, size_t l, int base,
- char **e, int *err);
- longlong my_strntoll_8bit(CHARSET_INFO *, const char *s, size_t l, int base,
- char **e, int *err);
- ulonglong my_strntoull_8bit(CHARSET_INFO *, const char *s, size_t l, int base,
- char **e, int *err);
- double my_strntod_8bit(CHARSET_INFO *, char *s, size_t l,char **e,
- int *err);
- size_t my_long10_to_str_8bit(CHARSET_INFO *, char *to, size_t l, int radix,
- long int val);
- size_t my_longlong10_to_str_8bit(CHARSET_INFO *, char *to, size_t l, int radix,
- longlong val);
- longlong my_strtoll10_8bit(CHARSET_INFO *cs,
- const char *nptr, char **endptr, int *error);
- longlong my_strtoll10_ucs2(CHARSET_INFO *cs,
- const char *nptr, char **endptr, int *error);
- ulonglong my_strntoull10rnd_8bit(CHARSET_INFO *cs,
- const char *str, size_t length, int
- unsigned_fl, char **endptr, int *error);
- ulonglong my_strntoull10rnd_ucs2(CHARSET_INFO *cs,
- const char *str, size_t length,
- int unsigned_fl, char **endptr, int *error);
- void my_fill_8bit(CHARSET_INFO *cs, char* to, size_t l, int fill);
- /* For 8-bit character set */
- my_bool my_like_range_simple(CHARSET_INFO *cs,
- const char *ptr, size_t ptr_length,
- pbool escape, pbool w_one, pbool w_many,
- size_t res_length,
- char *min_str, char *max_str,
- size_t *min_length, size_t *max_length);
- /* For ASCII-based multi-byte character sets with mbminlen=1 */
- my_bool my_like_range_mb(CHARSET_INFO *cs,
- const char *ptr, size_t ptr_length,
- pbool escape, pbool w_one, pbool w_many,
- size_t res_length,
- char *min_str, char *max_str,
- size_t *min_length, size_t *max_length);
- /* For other character sets, with arbitrary mbminlen and mbmaxlen numbers */
- my_bool my_like_range_generic(CHARSET_INFO *cs,
- const char *ptr, size_t ptr_length,
- pbool escape, pbool w_one, pbool w_many,
- size_t res_length,
- char *min_str, char *max_str,
- size_t *min_length, size_t *max_length);
- int my_wildcmp_8bit(CHARSET_INFO *,
- const char *str,const char *str_end,
- const char *wildstr,const char *wildend,
- int escape, int w_one, int w_many);
- int my_wildcmp_bin(CHARSET_INFO *,
- const char *str,const char *str_end,
- const char *wildstr,const char *wildend,
- int escape, int w_one, int w_many);
- size_t my_numchars_8bit(CHARSET_INFO *, const char *b, const char *e);
- size_t my_numcells_8bit(CHARSET_INFO *, const char *b, const char *e);
- size_t my_charpos_8bit(CHARSET_INFO *, const char *b, const char *e, size_t pos);
- size_t my_well_formed_len_8bit(CHARSET_INFO *, const char *b, const char *e,
- size_t pos, int *error);
- size_t my_well_formed_char_length_8bit(CHARSET_INFO *cs,
- const char *b, const char *e,
- size_t nchars,
- MY_STRCOPY_STATUS *status);
- int my_charlen_8bit(CHARSET_INFO *, const uchar *str, const uchar *end);
- uint my_mbcharlen_8bit(CHARSET_INFO *, uint c);
- /* Functions for multibyte charsets */
- extern size_t my_caseup_str_mb(CHARSET_INFO *, char *);
- extern size_t my_casedn_str_mb(CHARSET_INFO *, char *);
- extern size_t my_caseup_mb(CHARSET_INFO *, char *src, size_t srclen,
- char *dst, size_t dstlen);
- extern size_t my_casedn_mb(CHARSET_INFO *, char *src, size_t srclen,
- char *dst, size_t dstlen);
- extern size_t my_caseup_mb_varlen(CHARSET_INFO *, char *src, size_t srclen,
- char *dst, size_t dstlen);
- extern size_t my_casedn_mb_varlen(CHARSET_INFO *, char *src, size_t srclen,
- char *dst, size_t dstlen);
- extern size_t my_caseup_ujis(CHARSET_INFO *, char *src, size_t srclen,
- char *dst, size_t dstlen);
- extern size_t my_casedn_ujis(CHARSET_INFO *, char *src, size_t srclen,
- char *dst, size_t dstlen);
- extern int my_strcasecmp_mb(CHARSET_INFO * cs,const char *, const char *);
- int my_wildcmp_mb(CHARSET_INFO *,
- const char *str,const char *str_end,
- const char *wildstr,const char *wildend,
- int escape, int w_one, int w_many);
- size_t my_numchars_mb(CHARSET_INFO *, const char *b, const char *e);
- size_t my_numcells_mb(CHARSET_INFO *, const char *b, const char *e);
- size_t my_charpos_mb(CHARSET_INFO *, const char *b, const char *e, size_t pos);
- size_t my_well_formed_len_mb(CHARSET_INFO *, const char *b, const char *e,
- size_t pos, int *error);
- uint my_instr_mb(CHARSET_INFO *,
- const char *b, size_t b_length,
- const char *s, size_t s_length,
- my_match_t *match, uint nmatch);
- int my_strnncoll_mb_bin(CHARSET_INFO * cs,
- const uchar *s, size_t slen,
- const uchar *t, size_t tlen,
- my_bool t_is_prefix);
- int my_strnncollsp_mb_bin(CHARSET_INFO *cs,
- const uchar *a, size_t a_length,
- const uchar *b, size_t b_length,
- my_bool diff_if_only_endspace_difference);
- int my_wildcmp_mb_bin(CHARSET_INFO *cs,
- const char *str,const char *str_end,
- const char *wildstr,const char *wildend,
- int escape, int w_one, int w_many);
- int my_strcasecmp_mb_bin(CHARSET_INFO * cs __attribute__((unused)),
- const char *s, const char *t);
- void my_hash_sort_mb_bin(CHARSET_INFO *cs __attribute__((unused)),
- const uchar *key, size_t len,ulong *nr1, ulong *nr2);
- size_t my_strnxfrm_mb(CHARSET_INFO *,
- uchar *dst, size_t dstlen, uint nweights,
- const uchar *src, size_t srclen, uint flags);
- size_t my_strnxfrm_unicode(CHARSET_INFO *,
- uchar *dst, size_t dstlen, uint nweights,
- const uchar *src, size_t srclen, uint flags);
- size_t my_strnxfrmlen_unicode(CHARSET_INFO *, size_t);
- size_t my_strnxfrm_unicode_full_bin(CHARSET_INFO *,
- uchar *dst, size_t dstlen, uint nweights,
- const uchar *src, size_t srclen, uint flags);
- size_t my_strnxfrmlen_unicode_full_bin(CHARSET_INFO *, size_t);
- int my_wildcmp_unicode(CHARSET_INFO *cs,
- const char *str, const char *str_end,
- const char *wildstr, const char *wildend,
- int escape, int w_one, int w_many,
- MY_UNICASE_INFO *weights);
- extern my_bool my_parse_charset_xml(MY_CHARSET_LOADER *loader,
- const char *buf, size_t buflen);
- extern char *my_strchr(CHARSET_INFO *cs, const char *str, const char *end,
- pchar c);
- extern size_t my_strcspn(CHARSET_INFO *cs, const char *str, const char *end,
- const char *accept);
- my_bool my_propagate_simple(CHARSET_INFO *cs, const uchar *str, size_t len);
- my_bool my_propagate_complex(CHARSET_INFO *cs, const uchar *str, size_t len);
- typedef struct
- {
- size_t char_length;
- uint repertoire;
- } MY_STRING_METADATA;
- void my_string_metadata_get(MY_STRING_METADATA *metadata,
- CHARSET_INFO *cs, const char *str, size_t len);
- uint my_string_repertoire(CHARSET_INFO *cs, const char *str, ulong len);
- my_bool my_charset_is_ascii_based(CHARSET_INFO *cs);
- my_bool my_charset_is_8bit_pure_ascii(CHARSET_INFO *cs);
- uint my_charset_repertoire(CHARSET_INFO *cs);
- uint my_strxfrm_flag_normalize(uint flags, uint nlevels);
- void my_strxfrm_desc_and_reverse(uchar *str, uchar *strend,
- uint flags, uint level);
- size_t my_strxfrm_pad_desc_and_reverse(CHARSET_INFO *cs,
- uchar *str, uchar *frmend, uchar *strend,
- uint nweights, uint flags, uint level);
- my_bool my_charset_is_ascii_compatible(CHARSET_INFO *cs);
- const MY_CONTRACTIONS *my_charset_get_contractions(CHARSET_INFO *cs,
- int level);
- extern size_t my_vsnprintf_ex(CHARSET_INFO *cs, char *to, size_t n,
- const char* fmt, va_list ap);
- /*
- Convert a string between two character sets.
- Bad byte sequences as well as characters that cannot be
- encoded in the destination character set are replaced to '?'.
- */
- uint32 my_convert(char *to, uint32 to_length, CHARSET_INFO *to_cs,
- const char *from, uint32 from_length,
- CHARSET_INFO *from_cs, uint *errors);
- /**
- An extended version of my_convert(), to pass non-default mb_wc() and wc_mb().
- For example, String::copy_printable() which is used in
- Protocol::store_warning() uses this to escape control
- and non-convertable characters.
- */
- uint32 my_convert_using_func(char *to, uint32 to_length, CHARSET_INFO *to_cs,
- my_charset_conv_wc_mb mb_wc,
- const char *from, uint32 from_length,
- CHARSET_INFO *from_cs,
- my_charset_conv_mb_wc wc_mb,
- uint *errors);
- /*
- Convert a string between two character sets.
- Bad byte sequences as well as characters that cannot be
- encoded in the destination character set are replaced to '?'.
- Not more than "nchars" characters are copied.
- Conversion statistics is returnd in "status" and is set as follows:
- - status->m_native_copy_status.m_source_end_pos - to the position
- between (src) and (src+src_length), where the function stopped reading
- the source string.
- - status->m_native_copy_status.m_well_formed_error_pos - to the position
- between (src) and (src+src_length), where the first badly formed byte
- sequence was found, or to NULL if the string was well formed in the
- given range.
- - status->m_cannot_convert_error_pos - to the position
- between (src) and (src+src_length), where the first character that
- cannot be represented in the destination character set was found,
- or to NULL if all characters in the given range were successfully
- converted.
- "src" is allowed to be a NULL pointer. In this case "src_length" must
- be equal to 0. All "status" members are initialized to NULL, and 0 is
- returned.
- */
- size_t my_convert_fix(CHARSET_INFO *dstcs, char *dst, size_t dst_length,
- CHARSET_INFO *srccs, const char *src, size_t src_length,
- size_t nchars, MY_STRCONV_STATUS *status);
- #define _MY_U 01 /* Upper case */
- #define _MY_L 02 /* Lower case */
- #define _MY_NMR 04 /* Numeral (digit) */
- #define _MY_SPC 010 /* Spacing character */
- #define _MY_PNT 020 /* Punctuation */
- #define _MY_CTR 040 /* Control character */
- #define _MY_B 0100 /* Blank */
- #define _MY_X 0200 /* heXadecimal digit */
- #define my_isascii(c) (!((c) & ~0177))
- #define my_toascii(c) ((c) & 0177)
- #define my_tocntrl(c) ((c) & 31)
- #define my_toprint(c) ((c) | 64)
- #define my_toupper(s,c) (char) ((s)->to_upper[(uchar) (c)])
- #define my_tolower(s,c) (char) ((s)->to_lower[(uchar) (c)])
- #define my_isalpha(s, c) (((s)->ctype+1)[(uchar) (c)] & (_MY_U | _MY_L))
- #define my_isupper(s, c) (((s)->ctype+1)[(uchar) (c)] & _MY_U)
- #define my_islower(s, c) (((s)->ctype+1)[(uchar) (c)] & _MY_L)
- #define my_isdigit(s, c) (((s)->ctype+1)[(uchar) (c)] & _MY_NMR)
- #define my_isxdigit(s, c) (((s)->ctype+1)[(uchar) (c)] & _MY_X)
- #define my_isalnum(s, c) (((s)->ctype+1)[(uchar) (c)] & (_MY_U | _MY_L | _MY_NMR))
- #define my_isspace(s, c) (((s)->ctype+1)[(uchar) (c)] & _MY_SPC)
- #define my_ispunct(s, c) (((s)->ctype+1)[(uchar) (c)] & _MY_PNT)
- #define my_isprint(s, c) (((s)->ctype+1)[(uchar) (c)] & (_MY_PNT | _MY_U | _MY_L | _MY_NMR | _MY_B))
- #define my_isgraph(s, c) (((s)->ctype+1)[(uchar) (c)] & (_MY_PNT | _MY_U | _MY_L | _MY_NMR))
- #define my_iscntrl(s, c) (((s)->ctype+1)[(uchar) (c)] & _MY_CTR)
- /* Some macros that should be cleaned up a little */
- #define my_isvar(s,c) (my_isalnum(s,c) || (c) == '_')
- #define my_isvar_start(s,c) (my_isalpha(s,c) || (c) == '_')
- #define my_binary_compare(s) ((s)->state & MY_CS_BINSORT)
- #define use_strnxfrm(s) ((s)->state & MY_CS_STRNXFRM)
- #define my_strnxfrm(cs, d, dl, s, sl) \
- ((cs)->coll->strnxfrm((cs), (d), (dl), (dl), (s), (sl), MY_STRXFRM_PAD_WITH_SPACE))
- #define my_strnncoll(s, a, b, c, d) ((s)->coll->strnncoll((s), (a), (b), (c), (d), 0))
- #define my_like_range(s, a, b, c, d, e, f, g, h, i, j) \
- ((s)->coll->like_range((s), (a), (b), (c), (d), (e), (f), (g), (h), (i), (j)))
- #define my_wildcmp(cs,s,se,w,we,e,o,m) ((cs)->coll->wildcmp((cs),(s),(se),(w),(we),(e),(o),(m)))
- #define my_strcasecmp(s, a, b) ((s)->coll->strcasecmp((s), (a), (b)))
- #define my_charpos(cs, b, e, num) (cs)->cset->charpos((cs), (const char*) (b), (const char *)(e), (num))
- #define use_mb(s) ((s)->cset->ismbchar != NULL)
- #define my_ismbchar(s, a, b) ((s)->cset->ismbchar((s), (a), (b)))
- #ifdef USE_MB
- #define my_mbcharlen(s, a) ((s)->cset->mbcharlen((s),(a)))
- #else
- #define my_mbcharlen(s, a) 1
- #endif
- #define my_caseup_str(s, a) ((s)->cset->caseup_str((s), (a)))
- #define my_casedn_str(s, a) ((s)->cset->casedn_str((s), (a)))
- #define my_strntol(s, a, b, c, d, e) ((s)->cset->strntol((s),(a),(b),(c),(d),(e)))
- #define my_strntoul(s, a, b, c, d, e) ((s)->cset->strntoul((s),(a),(b),(c),(d),(e)))
- #define my_strntoll(s, a, b, c, d, e) ((s)->cset->strntoll((s),(a),(b),(c),(d),(e)))
- #define my_strntoull(s, a, b, c,d, e) ((s)->cset->strntoull((s),(a),(b),(c),(d),(e)))
- #define my_strntod(s, a, b, c, d) ((s)->cset->strntod((s),(a),(b),(c),(d)))
- /* XXX: still need to take care of this one */
- #ifdef MY_CHARSET_TIS620
- #error The TIS620 charset is broken at the moment. Tell tim to fix it.
- #define USE_TIS620
- #include "t_ctype.h"
- #endif
- #ifdef __cplusplus
- }
- #endif
- #endif /* _m_ctype_h */
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