mirror of
https://github.com/MariaDB/server.git
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229 lines
8.1 KiB
C
229 lines
8.1 KiB
C
/* Copyright (C) 2000 MySQL AB
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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/*
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A better inplementation of the UNIX ctype(3) library.
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Notes: my_global.h should be included before ctype.h
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*/
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#ifndef _m_ctype_h
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#define _m_ctype_h
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define CHARSET_DIR "charsets/"
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#define my_wc_t ulong
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typedef struct unicase_info_st {
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uint16 toupper;
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uint16 tolower;
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uint16 sort;
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} MY_UNICASE_INFO;
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#define MY_CS_ILSEQ 0
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#define MY_CS_ILUNI 0
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#define MY_CS_TOOSMALL -1
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#define MY_CS_TOOFEW(n) (-1-(n))
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/* My charsets_list flags */
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#define MY_NO_SETS 0
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#define MY_CS_COMPILED 1 /* compiled-in sets */
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#define MY_CS_CONFIG 2 /* sets that have a *.conf file */
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#define MY_CS_INDEX 4 /* sets listed in the Index file */
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#define MY_CS_LOADED 8 /* sets that are currently loaded */
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#define MY_CS_BINSORT 16 /* if binary sort order */
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#define MY_CHARSET_UNDEFINED 0
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#define MY_CHARSET_CURRENT (default_charset_info->number)
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typedef struct my_uni_idx_st {
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uint16 from;
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uint16 to;
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uchar *tab;
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} MY_UNI_IDX;
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typedef struct charset_info_st
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{
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uint number;
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uint state;
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const char *name;
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const char *comment;
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uchar *ctype;
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uchar *to_lower;
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uchar *to_upper;
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uchar *sort_order;
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uint16 *tab_to_uni;
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MY_UNI_IDX *tab_from_uni;
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/* Collation routines */
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uint strxfrm_multiply;
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int (*strnncoll)(struct charset_info_st *,
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const uchar *, uint, const uchar *, uint);
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int (*strnxfrm)(struct charset_info_st *,
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uchar *, uint, const uchar *, uint);
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my_bool (*like_range)(struct charset_info_st *,
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const char *, uint, pchar, uint,
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char *, char *, uint *, uint *);
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/* Multibyte routines */
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uint mbmaxlen;
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int (*ismbchar)(struct charset_info_st *, const char *, const char *);
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my_bool (*ismbhead)(struct charset_info_st *, uint);
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int (*mbcharlen)(struct charset_info_st *, uint);
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/* Unicode convertion */
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int (*mb_wc)(struct charset_info_st *cs,my_wc_t *wc,
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const unsigned char *s,const unsigned char *e);
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int (*wc_mb)(struct charset_info_st *cs,my_wc_t wc,
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unsigned char *s,unsigned char *e);
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/* Functions for case and sort convertion */
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void (*caseup_str)(struct charset_info_st *, char *);
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void (*casedn_str)(struct charset_info_st *, char *);
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void (*caseup)(struct charset_info_st *, char *, uint);
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void (*casedn)(struct charset_info_st *, char *, uint);
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void (*tosort)(struct charset_info_st *, char *, uint);
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/* Functions for case comparison */
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int (*strcasecmp)(struct charset_info_st *, const char *, const char *);
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int (*strncasecmp)(struct charset_info_st *, const char *, const char *,
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uint);
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/* Hash calculation */
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uint (*hash_caseup)(struct charset_info_st *cs, const byte *key, uint len);
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void (*hash_sort)(struct charset_info_st *cs, const uchar *key, uint len,
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ulong *nr1, ulong *nr2);
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char max_sort_char; /* For LIKE optimization */
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} CHARSET_INFO;
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extern CHARSET_INFO *my_charset_bin;
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extern CHARSET_INFO *default_charset_info;
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extern CHARSET_INFO *system_charset_info;
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extern CHARSET_INFO *all_charsets[256];
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extern my_bool init_compiled_charsets(myf flags);
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/* declarations for simple charsets */
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extern int my_strnxfrm_simple(CHARSET_INFO *, uchar *, uint, const uchar *, uint);
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extern int my_strnncoll_simple(CHARSET_INFO *, const uchar *, uint, const uchar *, uint);
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extern uint my_hash_caseup_simple(CHARSET_INFO *cs,
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const byte *key, uint len);
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extern void my_hash_sort_simple(CHARSET_INFO *cs,
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const uchar *key, uint len,
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ulong *nr1, ulong *nr2);
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/* Functions for 8bit */
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extern void my_caseup_str_8bit(CHARSET_INFO *, char *);
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extern void my_casedn_str_8bit(CHARSET_INFO *, char *);
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extern void my_caseup_8bit(CHARSET_INFO *, char *, uint);
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extern void my_casedn_8bit(CHARSET_INFO *, char *, uint);
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extern void my_tosort_8bit(CHARSET_INFO *, char *, uint);
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extern int my_strcasecmp_8bit(CHARSET_INFO * cs, const char *, const char *);
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extern int my_strncasecmp_8bit(CHARSET_INFO * cs, const char *, const char *, uint);
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int my_mb_wc_8bit(CHARSET_INFO *cs,my_wc_t *wc, const uchar *s,const uchar *e);
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int my_wc_mb_8bit(CHARSET_INFO *cs,my_wc_t wc, uchar *s, uchar *e);
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#ifdef USE_MB
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/* Functions for multibyte charsets */
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extern void my_caseup_str_mb(CHARSET_INFO *, char *);
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extern void my_casedn_str_mb(CHARSET_INFO *, char *);
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extern void my_caseup_mb(CHARSET_INFO *, char *, uint);
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extern void my_casedn_mb(CHARSET_INFO *, char *, uint);
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extern int my_strcasecmp_mb(CHARSET_INFO * cs,const char *, const char *);
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extern int my_strncasecmp_mb(CHARSET_INFO * cs,const char *, const char *t, uint);
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#endif
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#define _U 01 /* Upper case */
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#define _L 02 /* Lower case */
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#define _NMR 04 /* Numeral (digit) */
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#define _SPC 010 /* Spacing character */
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#define _PNT 020 /* Punctuation */
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#define _CTR 040 /* Control character */
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#define _B 0100 /* Blank */
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#define _X 0200 /* heXadecimal digit */
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#define my_isascii(c) (!((c) & ~0177))
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#define my_toascii(c) ((c) & 0177)
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#define my_tocntrl(c) ((c) & 31)
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#define my_toprint(c) ((c) | 64)
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#define my_toupper(s,c) (char) ((s)->to_upper[(uchar) (c)])
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#define my_tolower(s,c) (char) ((s)->to_lower[(uchar) (c)])
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#define my_isalpha(s, c) (((s)->ctype+1)[(uchar) (c)] & (_U | _L))
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#define my_isupper(s, c) (((s)->ctype+1)[(uchar) (c)] & _U)
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#define my_islower(s, c) (((s)->ctype+1)[(uchar) (c)] & _L)
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#define my_isdigit(s, c) (((s)->ctype+1)[(uchar) (c)] & _NMR)
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#define my_isxdigit(s, c) (((s)->ctype+1)[(uchar) (c)] & _X)
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#define my_isalnum(s, c) (((s)->ctype+1)[(uchar) (c)] & (_U | _L | _NMR))
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#define my_isspace(s, c) (((s)->ctype+1)[(uchar) (c)] & _SPC)
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#define my_ispunct(s, c) (((s)->ctype+1)[(uchar) (c)] & _PNT)
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#define my_isprint(s, c) (((s)->ctype+1)[(uchar) (c)] & (_PNT | _U | _L | _NMR | _B))
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#define my_isgraph(s, c) (((s)->ctype+1)[(uchar) (c)] & (_PNT | _U | _L | _NMR))
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#define my_iscntrl(s, c) (((s)->ctype+1)[(uchar) (c)] & _CTR)
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/* Some macros that should be cleaned up a little */
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#define my_isvar(s,c) (my_isalnum(s,c) || (c) == '_')
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#define my_isvar_start(s,c) (my_isalpha(s,c) || (c) == '_')
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#define use_strnxfrm(s) ((s)->strnxfrm != NULL)
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#define my_strnxfrm(s, a, b, c, d) ((s)->strnxfrm((s), (a), (b), (c), (d)))
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#define my_strnncoll(s, a, b, c, d) ((s)->strnncoll((s), (a), (b), (c), (d)))
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#define my_like_range(s, a, b, c, d, e, f, g, h) \
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((s)->like_range((s), (a), (b), (c), (d), (e), (f), (g), (h)))
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#define use_mb(s) ((s)->ismbchar != NULL)
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#define my_ismbchar(s, a, b) ((s)->ismbchar((s), (a), (b)))
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#define my_ismbhead(s, a) ((s)->ismbhead((s), (a)))
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#define my_mbcharlen(s, a) ((s)->mbcharlen((s),(a)))
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#define my_caseup(s, a, l) ((s)->caseup((s), (a), (l)))
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#define my_casedn(s, a, l) ((s)->casedn((s), (a), (l)))
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#define my_tosort(s, a, l) ((s)->tosort((s), (a), (l)))
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#define my_caseup_str(s, a) ((s)->caseup_str((s), (a)))
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#define my_casedn_str(s, a) ((s)->casedn_str((s), (a)))
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#define my_strcasecmp(s, a, b) ((s)->strcasecmp((s), (a), (b)))
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#define my_strncasecmp(s, a, b, l) ((s)->strncasecmp((s), (a), (b), (l)))
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/* XXX: still need to take care of this one */
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#ifdef MY_CHARSET_TIS620
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#error The TIS620 charset is broken at the moment. Tell tim to fix it.
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#define USE_TIS620
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#include "t_ctype.h"
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* _m_ctype_h */
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