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#ifndef REGENC_H
#define REGENC_H
/**********************************************************************
regenc.h - Oniguruma (regular expression library)
**********************************************************************/
/*-
* Copyright (c) 2002-2020 K.Kosako
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef ONIGURUMA_EXPORT
#define ONIGURUMA_EXPORT
#endif
#include "config.h"
#ifndef ONIG_NO_STANDARD_C_HEADERS
#include <stddef.h>
#endif
#ifdef ONIG_ESCAPE_UCHAR_COLLISION
#undef ONIG_ESCAPE_UCHAR_COLLISION
#endif
#include "oniguruma.h"
typedef struct {
OnigCodePoint from;
OnigCodePoint to;
} OnigPairCaseFoldCodes;
#ifndef NULL
#define NULL ((void* )0)
#endif
#ifndef TRUE
#define TRUE 1
#endif
#ifndef FALSE
#define FALSE 0
#endif
#ifndef ARG_UNUSED
#if defined(__GNUC__)
# define ARG_UNUSED __attribute__ ((unused))
#else
# define ARG_UNUSED
#endif
#endif
#define ONIG_IS_NULL(p) (((void*)(p)) == (void*)0)
#define ONIG_IS_NOT_NULL(p) (((void*)(p)) != (void*)0)
#define ONIG_CHECK_NULL_RETURN(p) if (ONIG_IS_NULL(p)) return NULL
#define ONIG_CHECK_NULL_RETURN_VAL(p,val) if (ONIG_IS_NULL(p)) return (val)
#define MAX_CODE_POINT (~((OnigCodePoint )0))
#define ASCII_LIMIT 127
#define NEWLINE_CODE 0x0a
#define enclen(enc,p) ONIGENC_MBC_ENC_LEN(enc,p)
/* character types bit flag */
#define BIT_CTYPE_NEWLINE (1<< ONIGENC_CTYPE_NEWLINE)
#define BIT_CTYPE_ALPHA (1<< ONIGENC_CTYPE_ALPHA)
#define BIT_CTYPE_BLANK (1<< ONIGENC_CTYPE_BLANK)
#define BIT_CTYPE_CNTRL (1<< ONIGENC_CTYPE_CNTRL)
#define BIT_CTYPE_DIGIT (1<< ONIGENC_CTYPE_DIGIT)
#define BIT_CTYPE_GRAPH (1<< ONIGENC_CTYPE_GRAPH)
#define BIT_CTYPE_LOWER (1<< ONIGENC_CTYPE_LOWER)
#define BIT_CTYPE_PRINT (1<< ONIGENC_CTYPE_PRINT)
#define BIT_CTYPE_PUNCT (1<< ONIGENC_CTYPE_PUNCT)
#define BIT_CTYPE_SPACE (1<< ONIGENC_CTYPE_SPACE)
#define BIT_CTYPE_UPPER (1<< ONIGENC_CTYPE_UPPER)
#define BIT_CTYPE_XDIGIT (1<< ONIGENC_CTYPE_XDIGIT)
#define BIT_CTYPE_WORD (1<< ONIGENC_CTYPE_WORD)
#define BIT_CTYPE_ALNUM (1<< ONIGENC_CTYPE_ALNUM)
#define BIT_CTYPE_ASCII (1<< ONIGENC_CTYPE_ASCII)
#define CTYPE_TO_BIT(ctype) (1<<(ctype))
#define CTYPE_IS_WORD_GRAPH_PRINT(ctype) \
((ctype) == ONIGENC_CTYPE_WORD || (ctype) == ONIGENC_CTYPE_GRAPH ||\
(ctype) == ONIGENC_CTYPE_PRINT)
typedef struct {
UChar *name;
int ctype;
short int len;
} PosixBracketEntryType;
struct PropertyNameCtype {
char *name;
int ctype;
};
/* #define USE_CRNL_AS_LINE_TERMINATOR */
#define USE_UNICODE_PROPERTIES
#define USE_UNICODE_EXTENDED_GRAPHEME_CLUSTER
#define USE_UNICODE_WORD_BREAK
/* #define USE_UNICODE_CASE_FOLD_TURKISH_AZERI */
/* #define USE_UNICODE_ALL_LINE_TERMINATORS */ /* see Unicode.org UTS #18 */
#define ONIG_ENCODING_INIT_DEFAULT ONIG_ENCODING_ASCII
#define ENC_SKIP_OFFSET_1_OR_0 7
#define ENC_FLAG_ASCII_COMPATIBLE (1<<0)
#define ENC_FLAG_UNICODE (1<<1)
#define ENC_FLAG_SKIP_OFFSET_MASK (7<<2)
#define ENC_FLAG_SKIP_OFFSET_0 0
#define ENC_FLAG_SKIP_OFFSET_1 (1<<2)
#define ENC_FLAG_SKIP_OFFSET_2 (2<<2)
#define ENC_FLAG_SKIP_OFFSET_3 (3<<2)
#define ENC_FLAG_SKIP_OFFSET_4 (4<<2)
#define ENC_FLAG_SKIP_OFFSET_1_OR_0 (ENC_SKIP_OFFSET_1_OR_0<<2)
#define ENC_GET_SKIP_OFFSET(enc) \
(((enc)->flag & ENC_FLAG_SKIP_OFFSET_MASK)>>2)
#define CASE_FOLD_IS_ASCII_ONLY(flag) \
(((flag) & ONIGENC_CASE_FOLD_ASCII_ONLY) != 0)
#define CASE_FOLD_IS_NOT_ASCII_ONLY(flag) \
(((flag) & ONIGENC_CASE_FOLD_ASCII_ONLY) == 0)
/* for encoding system implementation (internal) */
extern int onigenc_end(void);
extern int onigenc_ascii_apply_all_case_fold P_((OnigCaseFoldType flag, OnigApplyAllCaseFoldFunc f, void* arg));
extern int onigenc_ascii_get_case_fold_codes_by_str P_((OnigCaseFoldType flag, const OnigUChar* p, const OnigUChar* end, OnigCaseFoldCodeItem items[]));
extern int onigenc_apply_all_case_fold_with_map P_((int map_size, const OnigPairCaseFoldCodes map[], int ess_tsett_flag, OnigCaseFoldType flag, OnigApplyAllCaseFoldFunc f, void* arg));
extern int onigenc_get_case_fold_codes_by_str_with_map P_((int map_size, const OnigPairCaseFoldCodes map[], int ess_tsett_flag, OnigCaseFoldType flag, const OnigUChar* p, const OnigUChar* end, OnigCaseFoldCodeItem items[]));
extern int onigenc_not_support_get_ctype_code_range P_((OnigCtype ctype, OnigCodePoint* sb_out, const OnigCodePoint* ranges[]));
extern int onigenc_is_mbc_newline_0x0a P_((const UChar* p, const UChar* end));
/* methods for single byte encoding */
extern int onigenc_ascii_mbc_case_fold P_((OnigCaseFoldType flag, const UChar** p, const UChar* end, UChar* lower));
extern int onigenc_single_byte_mbc_enc_len P_((const UChar* p));
extern OnigCodePoint onigenc_single_byte_mbc_to_code P_((const UChar* p, const UChar* end));
extern int onigenc_single_byte_code_to_mbclen P_((OnigCodePoint code));
extern int onigenc_single_byte_code_to_mbc P_((OnigCodePoint code, UChar *buf));
extern UChar* onigenc_single_byte_left_adjust_char_head P_((const UChar* start, const UChar* s));
extern int onigenc_always_true_is_allowed_reverse_match P_((const UChar* s, const UChar* end));
extern int onigenc_always_false_is_allowed_reverse_match P_((const UChar* s, const UChar* end));
extern int onigenc_always_true_is_valid_mbc_string P_((const UChar* s, const UChar* end));
extern int onigenc_length_check_is_valid_mbc_string P_((OnigEncoding enc, const UChar* s, const UChar* end));
/* methods for multi byte encoding */
extern OnigCodePoint onigenc_mbn_mbc_to_code P_((OnigEncoding enc, const UChar* p, const UChar* end));
extern int onigenc_mbn_mbc_case_fold P_((OnigEncoding enc, OnigCaseFoldType flag, const UChar** p, const UChar* end, UChar* lower));
extern int onigenc_mb2_code_to_mbc P_((OnigEncoding enc, OnigCodePoint code, UChar *buf));
extern int onigenc_minimum_property_name_to_ctype P_((OnigEncoding enc, UChar* p, UChar* end));
extern int onigenc_unicode_property_name_to_ctype P_((OnigEncoding enc, UChar* p, UChar* end));
extern int onigenc_is_mbc_word_ascii P_((OnigEncoding enc, UChar* s, const UChar* end));
extern int onigenc_mb2_is_code_ctype P_((OnigEncoding enc, OnigCodePoint code, unsigned int ctype));
extern int onigenc_mb4_code_to_mbc P_((OnigEncoding enc, OnigCodePoint code, UChar *buf));
extern int onigenc_mb4_is_code_ctype P_((OnigEncoding enc, OnigCodePoint code, unsigned int ctype));
extern struct PropertyNameCtype* onigenc_euc_jp_lookup_property_name P_((register const char *str, register size_t len));
extern struct PropertyNameCtype* onigenc_sjis_lookup_property_name P_((register const char *str, register size_t len));
/* in unicode.c */
extern int onigenc_unicode_is_code_ctype P_((OnigCodePoint code, unsigned int ctype));
extern int onigenc_utf16_32_get_ctype_code_range P_((OnigCtype ctype, OnigCodePoint *sb_out, const OnigCodePoint* ranges[]));
extern int onigenc_unicode_ctype_code_range P_((OnigCtype ctype, const OnigCodePoint* ranges[]));
extern int onigenc_unicode_get_case_fold_codes_by_str P_((OnigEncoding enc, OnigCaseFoldType flag, const OnigUChar* p, const OnigUChar* end, OnigCaseFoldCodeItem items[]));
extern int onigenc_unicode_mbc_case_fold P_((OnigEncoding enc, OnigCaseFoldType flag, const UChar** pp, const UChar* end, UChar* fold));
extern int onigenc_unicode_apply_all_case_fold P_((OnigCaseFoldType flag, OnigApplyAllCaseFoldFunc f, void* arg));
extern int onigenc_egcb_is_break_position P_((OnigEncoding enc, UChar* p, UChar* prev, const UChar* start, const UChar* end));
#ifdef USE_UNICODE_WORD_BREAK
extern int onigenc_wb_is_break_position P_((OnigEncoding enc, UChar* p, UChar* prev, const UChar* start, const UChar* end));
#endif
#define UTF16_IS_SURROGATE_FIRST(c) (((c) & 0xfc) == 0xd8)
#define UTF16_IS_SURROGATE_SECOND(c) (((c) & 0xfc) == 0xdc)
/* from unicode generated codes */
#define FOLDS1_FOLD(i) (OnigUnicodeFolds1 + (i))
#define FOLDS2_FOLD(i) (OnigUnicodeFolds2 + (i))
#define FOLDS3_FOLD(i) (OnigUnicodeFolds3 + (i))
#define FOLDS1_UNFOLDS_NUM(i) (OnigUnicodeFolds1[(i)+1])
#define FOLDS2_UNFOLDS_NUM(i) (OnigUnicodeFolds2[(i)+2])
#define FOLDS3_UNFOLDS_NUM(i) (OnigUnicodeFolds3[(i)+3])
#define FOLDS1_UNFOLDS(i) (FOLDS1_FOLD(i) + 2)
#define FOLDS2_UNFOLDS(i) (FOLDS2_FOLD(i) + 3)
#define FOLDS3_UNFOLDS(i) (FOLDS3_FOLD(i) + 4)
#define FOLDS1_NEXT_INDEX(i) ((i) + 2 + FOLDS1_UNFOLDS_NUM(i))
#define FOLDS2_NEXT_INDEX(i) ((i) + 3 + FOLDS2_UNFOLDS_NUM(i))
#define FOLDS3_NEXT_INDEX(i) ((i) + 4 + FOLDS3_UNFOLDS_NUM(i))
#define FOLDS_FOLD_ADDR_BUK(buk, addr) do {\
if ((buk)->fold_len == 1)\
addr = OnigUnicodeFolds1 + (buk)->index;\
else if ((buk)->fold_len == 2)\
addr = OnigUnicodeFolds2 + (buk)->index;\
else if ((buk)->fold_len == 3)\
addr = OnigUnicodeFolds3 + (buk)->index;\
else\
return ONIGERR_INVALID_CODE_POINT_VALUE;\
} while (0)
extern OnigCodePoint OnigUnicodeFolds1[];
extern OnigCodePoint OnigUnicodeFolds2[];
extern OnigCodePoint OnigUnicodeFolds3[];
struct ByUnfoldKey {
OnigCodePoint code;
short int index;
short int fold_len;
};
extern const struct ByUnfoldKey* onigenc_unicode_unfold_key(OnigCodePoint code);
extern int onigenc_unicode_fold1_key(OnigCodePoint code[]);
extern int onigenc_unicode_fold2_key(OnigCodePoint code[]);
extern int onigenc_unicode_fold3_key(OnigCodePoint code[]);
extern int onig_codes_cmp(OnigCodePoint a[], OnigCodePoint b[], int n);
extern int onig_codes_byte_at(OnigCodePoint code[], int at);
#define ONIGENC_ISO_8859_1_TO_LOWER_CASE(c) \
OnigEncISO_8859_1_ToLowerCaseTable[c]
#define ONIGENC_ISO_8859_1_TO_UPPER_CASE(c) \
OnigEncISO_8859_1_ToUpperCaseTable[c]
extern const UChar OnigEncISO_8859_1_ToLowerCaseTable[];
extern const UChar OnigEncISO_8859_1_ToUpperCaseTable[];
extern int
onigenc_with_ascii_strncmp P_((OnigEncoding enc, const UChar* p, const UChar* end, const UChar* sascii /* ascii */, int n));
extern UChar*
onigenc_step P_((OnigEncoding enc, const UChar* p, const UChar* end, int n));
/* defined in regexec.c, but used in enc/xxx.c */
extern int onig_is_in_code_range P_((const UChar* p, OnigCodePoint code));
extern OnigEncoding OnigEncDefaultCharEncoding;
extern const UChar OnigEncAsciiToLowerCaseTable[];
extern const UChar OnigEncAsciiToUpperCaseTable[];
extern const unsigned short OnigEncAsciiCtypeTable[];
#define ONIGENC_IS_ASCII_CODE(code) ((code) < 0x80)
#define ONIGENC_ASCII_CODE_TO_LOWER_CASE(c) OnigEncAsciiToLowerCaseTable[c]
#define ONIGENC_ASCII_CODE_TO_UPPER_CASE(c) OnigEncAsciiToUpperCaseTable[c]
#define ONIGENC_IS_ASCII_CODE_CTYPE(code,ctype) \
((OnigEncAsciiCtypeTable[code] & CTYPE_TO_BIT(ctype)) != 0)
#define ONIGENC_IS_ASCII_CODE_WORD(code) \
((OnigEncAsciiCtypeTable[code] & CTYPE_TO_BIT(ONIGENC_CTYPE_WORD)) != 0)
#define ONIGENC_IS_ASCII_CODE_CASE_AMBIG(code) \
(ONIGENC_IS_ASCII_CODE_CTYPE(code, ONIGENC_CTYPE_UPPER) ||\
ONIGENC_IS_ASCII_CODE_CTYPE(code, ONIGENC_CTYPE_LOWER))
#define ONIGENC_IS_UNICODE_ENCODING(enc) \
(((enc)->flag & ENC_FLAG_UNICODE) != 0)
#define ONIGENC_IS_ASCII_COMPATIBLE_ENCODING(enc) \
(((enc)->flag & ENC_FLAG_ASCII_COMPATIBLE) != 0)
#endif /* REGENC_H */
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