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Diffstat (limited to 'src/regenc.h')
| -rw-r--r-- | src/regenc.h | 240 |
1 files changed, 240 insertions, 0 deletions
diff --git a/src/regenc.h b/src/regenc.h new file mode 100644 index 0000000..65eb17e --- /dev/null +++ b/src/regenc.h @@ -0,0 +1,240 @@ +#ifndef REGENC_H +#define REGENC_H +/********************************************************************** + regenc.h - Oniguruma (regular expression library) +**********************************************************************/ +/*- + * Copyright (c) 2002-2016 K.Kosako <sndgk393 AT ybb DOT ne DOT jp> + * 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 PACKAGE +/* PACKAGE is defined in config.h */ +#include "config.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 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_CASE_FOLD_TURKISH_AZERI */ +/* #define USE_UNICODE_ALL_LINE_TERMINATORS */ /* see Unicode.org UTF#18 */ + + +#define ONIG_ENCODING_INIT_DEFAULT ONIG_ENCODING_ASCII + +/* for encoding system implementation (internal) */ +ONIG_EXTERN int onigenc_ascii_apply_all_case_fold P_((OnigCaseFoldType flag, OnigApplyAllCaseFoldFunc f, void* arg)); +ONIG_EXTERN int onigenc_ascii_get_case_fold_codes_by_str P_((OnigCaseFoldType flag, const OnigUChar* p, const OnigUChar* end, OnigCaseFoldCodeItem items[])); +ONIG_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)); +ONIG_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[])); +ONIG_EXTERN int onigenc_not_support_get_ctype_code_range P_((OnigCtype ctype, OnigCodePoint* sb_out, const OnigCodePoint* ranges[])); +ONIG_EXTERN int onigenc_is_mbc_newline_0x0a P_((const UChar* p, const UChar* end)); + + +/* methods for single byte encoding */ +ONIG_EXTERN int onigenc_ascii_mbc_case_fold P_((OnigCaseFoldType flag, const UChar** p, const UChar* end, UChar* lower)); +ONIG_EXTERN int onigenc_single_byte_mbc_enc_len P_((const UChar* p)); +ONIG_EXTERN OnigCodePoint onigenc_single_byte_mbc_to_code P_((const UChar* p, const UChar* end)); +ONIG_EXTERN int onigenc_single_byte_code_to_mbclen P_((OnigCodePoint code)); +ONIG_EXTERN int onigenc_single_byte_code_to_mbc P_((OnigCodePoint code, UChar *buf)); +ONIG_EXTERN UChar* onigenc_single_byte_left_adjust_char_head P_((const UChar* start, const UChar* s)); +ONIG_EXTERN int onigenc_always_true_is_allowed_reverse_match P_((const UChar* s, const UChar* end)); +ONIG_EXTERN int onigenc_always_false_is_allowed_reverse_match P_((const UChar* s, const UChar* end)); + +/* methods for multi byte encoding */ +ONIG_EXTERN OnigCodePoint onigenc_mbn_mbc_to_code P_((OnigEncoding enc, const UChar* p, const UChar* end)); +ONIG_EXTERN int onigenc_mbn_mbc_case_fold P_((OnigEncoding enc, OnigCaseFoldType flag, const UChar** p, const UChar* end, UChar* lower)); +ONIG_EXTERN int onigenc_mb2_code_to_mbclen P_((OnigCodePoint code)); +ONIG_EXTERN int onigenc_mb2_code_to_mbc P_((OnigEncoding enc, OnigCodePoint code, UChar *buf)); +ONIG_EXTERN int onigenc_minimum_property_name_to_ctype P_((OnigEncoding enc, UChar* p, UChar* end)); +ONIG_EXTERN int onigenc_unicode_property_name_to_ctype P_((OnigEncoding enc, UChar* p, UChar* end)); +ONIG_EXTERN int onigenc_mb2_is_code_ctype P_((OnigEncoding enc, OnigCodePoint code, unsigned int ctype)); +ONIG_EXTERN int onigenc_mb4_code_to_mbclen P_((OnigCodePoint code)); +ONIG_EXTERN int onigenc_mb4_code_to_mbc P_((OnigEncoding enc, OnigCodePoint code, UChar *buf)); +ONIG_EXTERN int onigenc_mb4_is_code_ctype P_((OnigEncoding enc, OnigCodePoint code, unsigned int ctype)); +ONIG_EXTERN struct PropertyNameCtype* euc_jp_lookup_property_name P_((register const char *str, register unsigned int len)); +ONIG_EXTERN struct PropertyNameCtype* sjis_lookup_property_name P_((register const char *str, register unsigned int len)); +//ONIG_EXTERN const struct PropertyNameCtype* unicode_lookup_property_name P_((register const char *str, register unsigned int len)); + +/* in enc/unicode.c */ +ONIG_EXTERN int onigenc_unicode_is_code_ctype P_((OnigCodePoint code, unsigned int ctype)); +ONIG_EXTERN int onigenc_utf16_32_get_ctype_code_range P_((OnigCtype ctype, OnigCodePoint *sb_out, const OnigCodePoint* ranges[])); +ONIG_EXTERN int onigenc_unicode_ctype_code_range P_((int ctype, const OnigCodePoint* ranges[])); +ONIG_EXTERN int onigenc_unicode_get_case_fold_codes_by_str P_((OnigEncoding enc, OnigCaseFoldType flag, const OnigUChar* p, const OnigUChar* end, OnigCaseFoldCodeItem items[])); +ONIG_EXTERN int onigenc_unicode_mbc_case_fold P_((OnigEncoding enc, OnigCaseFoldType flag, const UChar** pp, const UChar* end, UChar* fold)); +ONIG_EXTERN int onigenc_unicode_apply_all_case_fold P_((OnigCaseFoldType flag, OnigApplyAllCaseFoldFunc f, void* arg)); + + +#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) (OnigUnicodeFolds1 + (i) + 2) +#define FOLDS2_UNFOLDS(i) (OnigUnicodeFolds2 + (i) + 3) +#define FOLDS3_UNFOLDS(i) (OnigUnicodeFolds3 + (i) + 4) +#define FOLDS1_NEXT_INDEX(i) ((i) + 2 + OnigUnicodeFolds1[(i)+1]) +#define FOLDS2_NEXT_INDEX(i) ((i) + 3 + OnigUnicodeFolds2[(i)+2]) +#define FOLDS3_NEXT_INDEX(i) ((i) + 4 + OnigUnicodeFolds3[(i)+3]) + +#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\ + addr = 0;\ +} while (0) + +extern OnigCodePoint OnigUnicodeFolds1[]; +extern OnigCodePoint OnigUnicodeFolds2[]; +extern OnigCodePoint OnigUnicodeFolds3[]; + +struct ByUnfoldKey { + OnigCodePoint code; + int index; + int fold_len; +}; + +extern const struct ByUnfoldKey* unicode_unfold_key(OnigCodePoint code); +extern int unicode_fold1_key(OnigCodePoint code[]); +extern int unicode_fold2_key(OnigCodePoint code[]); +extern int 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] + +ONIG_EXTERN const UChar OnigEncISO_8859_1_ToLowerCaseTable[]; +ONIG_EXTERN const UChar OnigEncISO_8859_1_ToUpperCaseTable[]; + +ONIG_EXTERN int +onigenc_with_ascii_strncmp P_((OnigEncoding enc, const UChar* p, const UChar* end, const UChar* sascii /* ascii */, int n)); +ONIG_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)); + +ONIG_EXTERN OnigEncoding OnigEncDefaultCharEncoding; +ONIG_EXTERN const UChar OnigEncAsciiToLowerCaseTable[]; +ONIG_EXTERN const UChar OnigEncAsciiToUpperCaseTable[]; +ONIG_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_CASE_AMBIG(code) \ + (ONIGENC_IS_ASCII_CODE_CTYPE(code, ONIGENC_CTYPE_UPPER) ||\ + ONIGENC_IS_ASCII_CODE_CTYPE(code, ONIGENC_CTYPE_LOWER)) + + +#endif /* REGENC_H */ |