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Diffstat (limited to 'lib/unicase.h')
| -rw-r--r-- | lib/unicase.h | 471 |
1 files changed, 0 insertions, 471 deletions
diff --git a/lib/unicase.h b/lib/unicase.h deleted file mode 100644 index 2a75e19a..00000000 --- a/lib/unicase.h +++ /dev/null @@ -1,471 +0,0 @@ -/* DO NOT EDIT! GENERATED AUTOMATICALLY! */ -/* Unicode character case mappings. - Copyright (C) 2002, 2009-2018 Free Software Foundation, Inc. - - This program is free software: you can redistribute it and/or - modify it under the terms of either: - - * the GNU Lesser General Public License as published by the Free - Software Foundation; either version 3 of the License, or (at your - option) any later version. - - or - - * 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. - - or both in parallel, as here. - 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with this program. If not, see <https://www.gnu.org/licenses/>. */ - -#ifndef _UNICASE_H -#define _UNICASE_H - -#include "unitypes.h" - -/* Get bool. */ -#include <unistring/stdbool.h> - -/* Get size_t. */ -#include <stddef.h> - -/* Get uninorm_t. */ -#include "uninorm.h" - -#ifdef __cplusplus -extern "C" { -#endif - -/* ========================================================================= */ - -/* Character case mappings. - These mappings are locale and context independent. - WARNING! These functions are not sufficient for languages such as German. - Better use the functions below that treat an entire string at once and are - language aware. */ - -/* Return the uppercase mapping of a Unicode character. */ -extern ucs4_t - uc_toupper (ucs4_t uc) - _UC_ATTRIBUTE_CONST; - -/* Return the lowercase mapping of a Unicode character. */ -extern ucs4_t - uc_tolower (ucs4_t uc) - _UC_ATTRIBUTE_CONST; - -/* Return the titlecase mapping of a Unicode character. */ -extern ucs4_t - uc_totitle (ucs4_t uc) - _UC_ATTRIBUTE_CONST; - -/* ========================================================================= */ - -/* String case mappings. */ - -/* These functions are locale dependent. The iso639_language argument - identifies the language (e.g. "tr" for Turkish). NULL means to use - locale independent case mappings. */ - -/* Return the ISO 639 language code of the current locale. - Return "" if it is unknown, or in the "C" locale. */ -extern const char * - uc_locale_language (void) - _UC_ATTRIBUTE_PURE; - -/* Conventions: - - All functions prefixed with u8_ operate on UTF-8 encoded strings. - Their unit is an uint8_t (1 byte). - - All functions prefixed with u16_ operate on UTF-16 encoded strings. - Their unit is an uint16_t (a 2-byte word). - - All functions prefixed with u32_ operate on UCS-4 encoded strings. - Their unit is an uint32_t (a 4-byte word). - - All argument pairs (s, n) denote a Unicode string s[0..n-1] with exactly - n units. - - Functions returning a string result take a (resultbuf, lengthp) argument - pair. If resultbuf is not NULL and the result fits into *lengthp units, - it is put in resultbuf, and resultbuf is returned. Otherwise, a freshly - allocated string is returned. In both cases, *lengthp is set to the - length (number of units) of the returned string. In case of error, - NULL is returned and errno is set. */ - -/* Return the uppercase mapping of a string. - The nf argument identifies the normalization form to apply after the - case-mapping. It can also be NULL, for no normalization. */ -extern uint8_t * - u8_toupper (const uint8_t *s, size_t n, const char *iso639_language, - uninorm_t nf, - uint8_t *resultbuf, size_t *lengthp); -extern uint16_t * - u16_toupper (const uint16_t *s, size_t n, const char *iso639_language, - uninorm_t nf, - uint16_t *resultbuf, size_t *lengthp); -extern uint32_t * - u32_toupper (const uint32_t *s, size_t n, const char *iso639_language, - uninorm_t nf, - uint32_t *resultbuf, size_t *lengthp); - -/* Return the lowercase mapping of a string. - The nf argument identifies the normalization form to apply after the - case-mapping. It can also be NULL, for no normalization. */ -extern uint8_t * - u8_tolower (const uint8_t *s, size_t n, const char *iso639_language, - uninorm_t nf, - uint8_t *resultbuf, size_t *lengthp); -extern uint16_t * - u16_tolower (const uint16_t *s, size_t n, const char *iso639_language, - uninorm_t nf, - uint16_t *resultbuf, size_t *lengthp); -extern uint32_t * - u32_tolower (const uint32_t *s, size_t n, const char *iso639_language, - uninorm_t nf, - uint32_t *resultbuf, size_t *lengthp); - -/* Return the titlecase mapping of a string. - The nf argument identifies the normalization form to apply after the - case-mapping. It can also be NULL, for no normalization. */ -extern uint8_t * - u8_totitle (const uint8_t *s, size_t n, const char *iso639_language, - uninorm_t nf, - uint8_t *resultbuf, size_t *lengthp); -extern uint16_t * - u16_totitle (const uint16_t *s, size_t n, const char *iso639_language, - uninorm_t nf, - uint16_t *resultbuf, size_t *lengthp); -extern uint32_t * - u32_totitle (const uint32_t *s, size_t n, const char *iso639_language, - uninorm_t nf, - uint32_t *resultbuf, size_t *lengthp); - -/* The case-mapping context given by a prefix string. */ -typedef struct casing_prefix_context - { - /* These fields are private, undocumented. */ - uint32_t last_char_except_ignorable; - uint32_t last_char_normal_or_above; - } - casing_prefix_context_t; -/* The case-mapping context of the empty prefix string. */ -extern LIBUNISTRING_DLL_VARIABLE const casing_prefix_context_t unicase_empty_prefix_context; -/* Return the case-mapping context of a given prefix string. */ -extern casing_prefix_context_t - u8_casing_prefix_context (const uint8_t *s, size_t n); -extern casing_prefix_context_t - u16_casing_prefix_context (const uint16_t *s, size_t n); -extern casing_prefix_context_t - u32_casing_prefix_context (const uint32_t *s, size_t n); -/* Return the case-mapping context of the prefix concat(A, S), given the - case-mapping context of the prefix A. */ -extern casing_prefix_context_t - u8_casing_prefixes_context (const uint8_t *s, size_t n, - casing_prefix_context_t a_context); -extern casing_prefix_context_t - u16_casing_prefixes_context (const uint16_t *s, size_t n, - casing_prefix_context_t a_context); -extern casing_prefix_context_t - u32_casing_prefixes_context (const uint32_t *s, size_t n, - casing_prefix_context_t a_context); - -/* The case-mapping context given by a suffix string. */ -typedef struct casing_suffix_context - { - /* These fields are private, undocumented. */ - uint32_t first_char_except_ignorable; - uint32_t bits; - } - casing_suffix_context_t; -/* The case-mapping context of the empty suffix string. */ -extern LIBUNISTRING_DLL_VARIABLE const casing_suffix_context_t unicase_empty_suffix_context; -/* Return the case-mapping context of a given suffix string. */ -extern casing_suffix_context_t - u8_casing_suffix_context (const uint8_t *s, size_t n); -extern casing_suffix_context_t - u16_casing_suffix_context (const uint16_t *s, size_t n); -extern casing_suffix_context_t - u32_casing_suffix_context (const uint32_t *s, size_t n); -/* Return the case-mapping context of the suffix concat(S, A), given the - case-mapping context of the suffix A. */ -extern casing_suffix_context_t - u8_casing_suffixes_context (const uint8_t *s, size_t n, - casing_suffix_context_t a_context); -extern casing_suffix_context_t - u16_casing_suffixes_context (const uint16_t *s, size_t n, - casing_suffix_context_t a_context); -extern casing_suffix_context_t - u32_casing_suffixes_context (const uint32_t *s, size_t n, - casing_suffix_context_t a_context); - -/* Return the uppercase mapping of a string that is surrounded by a prefix - and a suffix. */ -extern uint8_t * - u8_ct_toupper (const uint8_t *s, size_t n, - casing_prefix_context_t prefix_context, - casing_suffix_context_t suffix_context, - const char *iso639_language, - uninorm_t nf, - uint8_t *resultbuf, size_t *lengthp); -extern uint16_t * - u16_ct_toupper (const uint16_t *s, size_t n, - casing_prefix_context_t prefix_context, - casing_suffix_context_t suffix_context, - const char *iso639_language, - uninorm_t nf, - uint16_t *resultbuf, size_t *lengthp); -extern uint32_t * - u32_ct_toupper (const uint32_t *s, size_t n, - casing_prefix_context_t prefix_context, - casing_suffix_context_t suffix_context, - const char *iso639_language, - uninorm_t nf, - uint32_t *resultbuf, size_t *lengthp); - -/* Return the lowercase mapping of a string that is surrounded by a prefix - and a suffix. */ -extern uint8_t * - u8_ct_tolower (const uint8_t *s, size_t n, - casing_prefix_context_t prefix_context, - casing_suffix_context_t suffix_context, - const char *iso639_language, - uninorm_t nf, - uint8_t *resultbuf, size_t *lengthp); -extern uint16_t * - u16_ct_tolower (const uint16_t *s, size_t n, - casing_prefix_context_t prefix_context, - casing_suffix_context_t suffix_context, - const char *iso639_language, - uninorm_t nf, - uint16_t *resultbuf, size_t *lengthp); -extern uint32_t * - u32_ct_tolower (const uint32_t *s, size_t n, - casing_prefix_context_t prefix_context, - casing_suffix_context_t suffix_context, - const char *iso639_language, - uninorm_t nf, - uint32_t *resultbuf, size_t *lengthp); - -/* Return the titlecase mapping of a string that is surrounded by a prefix - and a suffix. */ -extern uint8_t * - u8_ct_totitle (const uint8_t *s, size_t n, - casing_prefix_context_t prefix_context, - casing_suffix_context_t suffix_context, - const char *iso639_language, - uninorm_t nf, - uint8_t *resultbuf, size_t *lengthp); -extern uint16_t * - u16_ct_totitle (const uint16_t *s, size_t n, - casing_prefix_context_t prefix_context, - casing_suffix_context_t suffix_context, - const char *iso639_language, - uninorm_t nf, - uint16_t *resultbuf, size_t *lengthp); -extern uint32_t * - u32_ct_totitle (const uint32_t *s, size_t n, - casing_prefix_context_t prefix_context, - casing_suffix_context_t suffix_context, - const char *iso639_language, - uninorm_t nf, - uint32_t *resultbuf, size_t *lengthp); - -/* Return the case folded string. - Comparing uN_casefold (S1) and uN_casefold (S2) with uN_cmp2() is equivalent - to comparing S1 and S2 with uN_casecmp(). - The nf argument identifies the normalization form to apply after the - case-mapping. It can also be NULL, for no normalization. */ -extern uint8_t * - u8_casefold (const uint8_t *s, size_t n, const char *iso639_language, - uninorm_t nf, - uint8_t *resultbuf, size_t *lengthp); -extern uint16_t * - u16_casefold (const uint16_t *s, size_t n, const char *iso639_language, - uninorm_t nf, - uint16_t *resultbuf, size_t *lengthp); -extern uint32_t * - u32_casefold (const uint32_t *s, size_t n, const char *iso639_language, - uninorm_t nf, - uint32_t *resultbuf, size_t *lengthp); -/* Likewise, for a string that is surrounded by a prefix and a suffix. */ -extern uint8_t * - u8_ct_casefold (const uint8_t *s, size_t n, - casing_prefix_context_t prefix_context, - casing_suffix_context_t suffix_context, - const char *iso639_language, - uninorm_t nf, - uint8_t *resultbuf, size_t *lengthp); -extern uint16_t * - u16_ct_casefold (const uint16_t *s, size_t n, - casing_prefix_context_t prefix_context, - casing_suffix_context_t suffix_context, - const char *iso639_language, - uninorm_t nf, - uint16_t *resultbuf, size_t *lengthp); -extern uint32_t * - u32_ct_casefold (const uint32_t *s, size_t n, - casing_prefix_context_t prefix_context, - casing_suffix_context_t suffix_context, - const char *iso639_language, - uninorm_t nf, - uint32_t *resultbuf, size_t *lengthp); - -/* Compare S1 and S2, ignoring differences in case and normalization. - The nf argument identifies the normalization form to apply after the - case-mapping. It can also be NULL, for no normalization. - If successful, set *RESULTP to -1 if S1 < S2, 0 if S1 = S2, 1 if S1 > S2, and - return 0. Upon failure, return -1 with errno set. */ -extern int - u8_casecmp (const uint8_t *s1, size_t n1, - const uint8_t *s2, size_t n2, - const char *iso639_language, uninorm_t nf, int *resultp); -extern int - u16_casecmp (const uint16_t *s1, size_t n1, - const uint16_t *s2, size_t n2, - const char *iso639_language, uninorm_t nf, int *resultp); -extern int - u32_casecmp (const uint32_t *s1, size_t n1, - const uint32_t *s2, size_t n2, - const char *iso639_language, uninorm_t nf, int *resultp); -extern int - ulc_casecmp (const char *s1, size_t n1, - const char *s2, size_t n2, - const char *iso639_language, uninorm_t nf, int *resultp); - -/* Convert the string S of length N to a NUL-terminated byte sequence, in such - a way that comparing uN_casexfrm (S1) and uN_casexfrm (S2) with the gnulib - function memcmp2() is equivalent to comparing S1 and S2 with uN_casecoll(). - NF must be either UNINORM_NFC, UNINORM_NFKC, or NULL for no normalization. */ -extern char * - u8_casexfrm (const uint8_t *s, size_t n, const char *iso639_language, - uninorm_t nf, char *resultbuf, size_t *lengthp); -extern char * - u16_casexfrm (const uint16_t *s, size_t n, const char *iso639_language, - uninorm_t nf, char *resultbuf, size_t *lengthp); -extern char * - u32_casexfrm (const uint32_t *s, size_t n, const char *iso639_language, - uninorm_t nf, char *resultbuf, size_t *lengthp); -extern char * - ulc_casexfrm (const char *s, size_t n, const char *iso639_language, - uninorm_t nf, char *resultbuf, size_t *lengthp); - -/* Compare S1 and S2, ignoring differences in case and normalization, using the - collation rules of the current locale. - The nf argument identifies the normalization form to apply after the - case-mapping. It must be either UNINORM_NFC or UNINORM_NFKC. It can also - be NULL, for no normalization. - If successful, set *RESULTP to -1 if S1 < S2, 0 if S1 = S2, 1 if S1 > S2, and - return 0. Upon failure, return -1 with errno set. */ -extern int - u8_casecoll (const uint8_t *s1, size_t n1, - const uint8_t *s2, size_t n2, - const char *iso639_language, uninorm_t nf, int *resultp); -extern int - u16_casecoll (const uint16_t *s1, size_t n1, - const uint16_t *s2, size_t n2, - const char *iso639_language, uninorm_t nf, int *resultp); -extern int - u32_casecoll (const uint32_t *s1, size_t n1, - const uint32_t *s2, size_t n2, - const char *iso639_language, uninorm_t nf, int *resultp); -extern int - ulc_casecoll (const char *s1, size_t n1, - const char *s2, size_t n2, - const char *iso639_language, uninorm_t nf, int *resultp); - - -/* Set *RESULTP to true if mapping NFD(S) to upper case is a no-op, or to false - otherwise, and return 0. Upon failure, return -1 with errno set. */ -extern int - u8_is_uppercase (const uint8_t *s, size_t n, - const char *iso639_language, - bool *resultp); -extern int - u16_is_uppercase (const uint16_t *s, size_t n, - const char *iso639_language, - bool *resultp); -extern int - u32_is_uppercase (const uint32_t *s, size_t n, - const char *iso639_language, - bool *resultp); - -/* Set *RESULTP to true if mapping NFD(S) to lower case is a no-op, or to false - otherwise, and return 0. Upon failure, return -1 with errno set. */ -extern int - u8_is_lowercase (const uint8_t *s, size_t n, - const char *iso639_language, - bool *resultp); -extern int - u16_is_lowercase (const uint16_t *s, size_t n, - const char *iso639_language, - bool *resultp); -extern int - u32_is_lowercase (const uint32_t *s, size_t n, - const char *iso639_language, - bool *resultp); - -/* Set *RESULTP to true if mapping NFD(S) to title case is a no-op, or to false - otherwise, and return 0. Upon failure, return -1 with errno set. */ -extern int - u8_is_titlecase (const uint8_t *s, size_t n, - const char *iso639_language, - bool *resultp); -extern int - u16_is_titlecase (const uint16_t *s, size_t n, - const char *iso639_language, - bool *resultp); -extern int - u32_is_titlecase (const uint32_t *s, size_t n, - const char *iso639_language, - bool *resultp); - -/* Set *RESULTP to true if applying case folding to NFD(S) is a no-op, or to - false otherwise, and return 0. Upon failure, return -1 with errno set. */ -extern int - u8_is_casefolded (const uint8_t *s, size_t n, - const char *iso639_language, - bool *resultp); -extern int - u16_is_casefolded (const uint16_t *s, size_t n, - const char *iso639_language, - bool *resultp); -extern int - u32_is_casefolded (const uint32_t *s, size_t n, - const char *iso639_language, - bool *resultp); - -/* Set *RESULTP to true if case matters for S, that is, if mapping NFD(S) to - either upper case or lower case or title case is not a no-op. - Set *RESULTP to false if NFD(S) maps to itself under the upper case mapping, - under the lower case mapping, and under the title case mapping; in other - words, when NFD(S) consists entirely of caseless characters. - Upon failure, return -1 with errno set. */ -extern int - u8_is_cased (const uint8_t *s, size_t n, - const char *iso639_language, - bool *resultp); -extern int - u16_is_cased (const uint16_t *s, size_t n, - const char *iso639_language, - bool *resultp); -extern int - u32_is_cased (const uint32_t *s, size_t n, - const char *iso639_language, - bool *resultp); - - -/* ========================================================================= */ - -#ifdef __cplusplus -} -#endif - -#endif /* _UNICASE_H */ |