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4171ed6c21
* enc/utf_32be.c (utf32be_mbc_enc_len): check arguments precisely. [ruby-core:79966] [Bug #13292] * enc/utf_32le.c (utf32le_mbc_enc_len): ditto. * regenc.h (UNICODE_VALID_CODEPOINT_P): predicate for valid Unicode codepoints. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57816 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
254 lines
12 KiB
C
254 lines
12 KiB
C
#ifndef ONIGMO_REGENC_H
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#define ONIGMO_REGENC_H
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/**********************************************************************
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regenc.h - Onigmo (Oniguruma-mod) (regular expression library)
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**********************************************************************/
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/*-
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* Copyright (c) 2002-2008 K.Kosako <sndgk393 AT ybb DOT ne DOT jp>
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* Copyright (c) 2011-2016 K.Takata <kentkt AT csc DOT jp>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#if !defined(RUBY) && (defined(RUBY_EXPORT) || defined(ONIG_ENC_REGISTER))
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# define RUBY
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#endif
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#ifdef RUBY
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# ifndef ONIGMO_REGINT_H
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# ifndef RUBY_EXTERN
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# include "ruby/config.h"
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# include "ruby/defines.h"
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# endif
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# endif
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#else /* RUBY */
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# ifndef PACKAGE
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/* PACKAGE is defined in config.h */
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# include "config.h"
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# endif
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#endif /* RUBY */
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#ifdef ONIG_ESCAPE_UCHAR_COLLISION
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# undef ONIG_ESCAPE_UCHAR_COLLISION
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#endif
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#ifdef RUBY
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# include "ruby/onigmo.h"
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#else
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# include "onigmo.h"
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#endif
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RUBY_SYMBOL_EXPORT_BEGIN
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typedef struct {
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OnigCodePoint from;
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OnigCodePoint to;
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} OnigPairCaseFoldCodes;
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#ifndef NULL
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# define NULL ((void* )0)
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#endif
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#ifndef TRUE
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# define TRUE 1
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#endif
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#ifndef FALSE
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# define FALSE 0
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#endif
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#ifndef ARG_UNUSED
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# if defined(__GNUC__)
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# define ARG_UNUSED __attribute__ ((unused))
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# else
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# define ARG_UNUSED
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# endif
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#endif
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#define ONIG_IS_NULL(p) (((void*)(p)) == (void*)0)
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#define ONIG_IS_NOT_NULL(p) (((void*)(p)) != (void*)0)
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#define ONIG_CHECK_NULL_RETURN(p) if (ONIG_IS_NULL(p)) return NULL
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#define ONIG_CHECK_NULL_RETURN_VAL(p,val) if (ONIG_IS_NULL(p)) return (val)
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#define enclen(enc,p,e) ((enc->max_enc_len == enc->min_enc_len) ? enc->min_enc_len : ONIGENC_MBC_ENC_LEN(enc,p,e))
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/* character types bit flag */
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#define BIT_CTYPE_NEWLINE (1<< ONIGENC_CTYPE_NEWLINE)
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#define BIT_CTYPE_ALPHA (1<< ONIGENC_CTYPE_ALPHA)
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#define BIT_CTYPE_BLANK (1<< ONIGENC_CTYPE_BLANK)
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#define BIT_CTYPE_CNTRL (1<< ONIGENC_CTYPE_CNTRL)
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#define BIT_CTYPE_DIGIT (1<< ONIGENC_CTYPE_DIGIT)
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#define BIT_CTYPE_GRAPH (1<< ONIGENC_CTYPE_GRAPH)
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#define BIT_CTYPE_LOWER (1<< ONIGENC_CTYPE_LOWER)
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#define BIT_CTYPE_PRINT (1<< ONIGENC_CTYPE_PRINT)
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#define BIT_CTYPE_PUNCT (1<< ONIGENC_CTYPE_PUNCT)
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#define BIT_CTYPE_SPACE (1<< ONIGENC_CTYPE_SPACE)
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#define BIT_CTYPE_UPPER (1<< ONIGENC_CTYPE_UPPER)
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#define BIT_CTYPE_XDIGIT (1<< ONIGENC_CTYPE_XDIGIT)
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#define BIT_CTYPE_WORD (1<< ONIGENC_CTYPE_WORD)
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#define BIT_CTYPE_ALNUM (1<< ONIGENC_CTYPE_ALNUM)
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#define BIT_CTYPE_ASCII (1<< ONIGENC_CTYPE_ASCII)
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#define CTYPE_TO_BIT(ctype) (1<<(ctype))
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#define CTYPE_IS_WORD_GRAPH_PRINT(ctype) \
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((ctype) == ONIGENC_CTYPE_WORD || (ctype) == ONIGENC_CTYPE_GRAPH ||\
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(ctype) == ONIGENC_CTYPE_PRINT)
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typedef struct {
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short int len;
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const UChar name[6];
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int ctype;
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} PosixBracketEntryType;
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#define POSIX_BRACKET_ENTRY_INIT(name, ctype) \
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{(short int )(sizeof(name) - 1), (name), (ctype)}
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#ifndef numberof
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# define numberof(array) (int )(sizeof(array) / sizeof((array)[0]))
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#endif
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#define USE_CRNL_AS_LINE_TERMINATOR
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#define USE_UNICODE_PROPERTIES
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#define USE_UNICODE_AGE_PROPERTIES
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/* #define USE_UNICODE_CASE_FOLD_TURKISH_AZERI */
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/* #define USE_UNICODE_ALL_LINE_TERMINATORS */ /* see Unicode.org UTS #18 */
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#define ONIG_ENCODING_INIT_DEFAULT ONIG_ENCODING_ASCII
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/* for encoding system implementation (internal) */
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ONIG_EXTERN int onigenc_ascii_apply_all_case_fold(OnigCaseFoldType flag, OnigApplyAllCaseFoldFunc f, void* arg, OnigEncoding enc);
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ONIG_EXTERN int onigenc_ascii_get_case_fold_codes_by_str(OnigCaseFoldType flag, const OnigUChar* p, const OnigUChar* end, OnigCaseFoldCodeItem items[], OnigEncoding enc);
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ONIG_EXTERN int onigenc_apply_all_case_fold_with_map(int map_size, const OnigPairCaseFoldCodes map[], int ess_tsett_flag, OnigCaseFoldType flag, OnigApplyAllCaseFoldFunc f, void* arg);
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ONIG_EXTERN int onigenc_get_case_fold_codes_by_str_with_map(int map_size, const OnigPairCaseFoldCodes map[], int ess_tsett_flag, OnigCaseFoldType flag, const OnigUChar* p, const OnigUChar* end, OnigCaseFoldCodeItem items[]);
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ONIG_EXTERN int onigenc_not_support_get_ctype_code_range(OnigCtype ctype, OnigCodePoint* sb_out, const OnigCodePoint* ranges[], OnigEncoding enc);
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ONIG_EXTERN int onigenc_is_mbc_newline_0x0a(const UChar* p, const UChar* end, OnigEncoding enc);
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ONIG_EXTERN int onigenc_single_byte_ascii_only_case_map(OnigCaseFoldType* flagP, const OnigUChar** pp, const OnigUChar* end, OnigUChar* to, OnigUChar* to_end, const struct OnigEncodingTypeST* enc);
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/* methods for single byte encoding */
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ONIG_EXTERN int onigenc_ascii_mbc_case_fold(OnigCaseFoldType flag, const UChar** p, const UChar* end, UChar* lower, OnigEncoding enc);
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ONIG_EXTERN int onigenc_single_byte_mbc_enc_len(const UChar* p, const UChar* e, OnigEncoding enc);
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ONIG_EXTERN OnigCodePoint onigenc_single_byte_mbc_to_code(const UChar* p, const UChar* end, OnigEncoding enc);
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ONIG_EXTERN int onigenc_single_byte_code_to_mbclen(OnigCodePoint code, OnigEncoding enc);
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ONIG_EXTERN int onigenc_single_byte_code_to_mbc(OnigCodePoint code, UChar *buf, OnigEncoding enc);
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ONIG_EXTERN UChar* onigenc_single_byte_left_adjust_char_head(const UChar* start, const UChar* s, const OnigUChar* end, OnigEncoding enc);
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ONIG_EXTERN int onigenc_always_true_is_allowed_reverse_match(const UChar* s, const UChar* end, OnigEncoding enc);
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ONIG_EXTERN int onigenc_always_false_is_allowed_reverse_match(const UChar* s, const UChar* end, OnigEncoding enc);
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ONIG_EXTERN int onigenc_ascii_is_code_ctype(OnigCodePoint code, unsigned int ctype, OnigEncoding enc);
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/* methods for multi byte encoding */
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ONIG_EXTERN OnigCodePoint onigenc_mbn_mbc_to_code(OnigEncoding enc, const UChar* p, const UChar* end);
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ONIG_EXTERN int onigenc_mbn_mbc_case_fold(OnigEncoding enc, OnigCaseFoldType flag, const UChar** p, const UChar* end, UChar* lower);
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ONIG_EXTERN int onigenc_mb2_code_to_mbclen(OnigCodePoint code, OnigEncoding enc);
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ONIG_EXTERN int onigenc_mb2_code_to_mbc(OnigEncoding enc, OnigCodePoint code, UChar *buf);
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ONIG_EXTERN int onigenc_minimum_property_name_to_ctype(OnigEncoding enc, const UChar* p, const UChar* end);
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ONIG_EXTERN int onigenc_unicode_property_name_to_ctype(OnigEncoding enc, const UChar* p, const UChar* end);
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ONIG_EXTERN int onigenc_mb2_is_code_ctype(OnigEncoding enc, OnigCodePoint code, unsigned int ctype);
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ONIG_EXTERN int onigenc_mb4_code_to_mbclen(OnigCodePoint code, OnigEncoding enc);
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ONIG_EXTERN int onigenc_mb4_code_to_mbc(OnigEncoding enc, OnigCodePoint code, UChar *buf);
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ONIG_EXTERN int onigenc_mb4_is_code_ctype(OnigEncoding enc, OnigCodePoint code, unsigned int ctype);
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ONIG_EXTERN int onigenc_unicode_case_map(OnigCaseFoldType* flagP, const OnigUChar** pp, const OnigUChar* end, OnigUChar* to, OnigUChar* to_end, const struct OnigEncodingTypeST* enc);
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/* in enc/unicode.c */
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ONIG_EXTERN int onigenc_unicode_is_code_ctype(OnigCodePoint code, unsigned int ctype, OnigEncoding enc);
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ONIG_EXTERN int onigenc_utf16_32_get_ctype_code_range(OnigCtype ctype, OnigCodePoint *sb_out, const OnigCodePoint* ranges[], OnigEncoding enc);
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ONIG_EXTERN int onigenc_unicode_ctype_code_range(int ctype, const OnigCodePoint* ranges[]);
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ONIG_EXTERN int onigenc_unicode_get_case_fold_codes_by_str(OnigEncoding enc, OnigCaseFoldType flag, const OnigUChar* p, const OnigUChar* end, OnigCaseFoldCodeItem items[]);
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ONIG_EXTERN int onigenc_unicode_mbc_case_fold(OnigEncoding enc, OnigCaseFoldType flag, const UChar** pp, const UChar* end, UChar* fold);
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ONIG_EXTERN int onigenc_unicode_apply_all_case_fold(OnigCaseFoldType flag, OnigApplyAllCaseFoldFunc f, void* arg, OnigEncoding enc);
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#define UTF16_IS_SURROGATE_FIRST(c) (((c) & 0xfc) == 0xd8)
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#define UTF16_IS_SURROGATE_SECOND(c) (((c) & 0xfc) == 0xdc)
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#define UTF16_IS_SURROGATE(c) (((c) & 0xf8) == 0xd8)
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#define UNICODE_VALID_CODEPOINT_P(c) ( \
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((c) <= 0x10ffff) && \
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!((c) < 0x10000 && UTF16_IS_SURROGATE((c) >> 8)))
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#define ONIGENC_ISO_8859_1_TO_LOWER_CASE(c) \
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OnigEncISO_8859_1_ToLowerCaseTable[c]
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#define ONIGENC_ISO_8859_1_TO_UPPER_CASE(c) \
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OnigEncISO_8859_1_ToUpperCaseTable[c]
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ONIG_EXTERN const UChar OnigEncISO_8859_1_ToLowerCaseTable[];
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ONIG_EXTERN const UChar OnigEncISO_8859_1_ToUpperCaseTable[];
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ONIG_EXTERN int
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onigenc_with_ascii_strncmp(OnigEncoding enc, const UChar* p, const UChar* end, const UChar* sascii /* ascii */, int n);
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ONIG_EXTERN int
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onigenc_with_ascii_strnicmp(OnigEncoding enc, const UChar* p, const UChar* end, const UChar* sascii /* ascii */, int n);
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ONIG_EXTERN UChar*
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onigenc_step(OnigEncoding enc, const UChar* p, const UChar* end, int n);
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/* defined in regexec.c, but used in enc/xxx.c */
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extern int onig_is_in_code_range(const UChar* p, OnigCodePoint code);
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ONIG_EXTERN OnigEncoding OnigEncDefaultCharEncoding;
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ONIG_EXTERN const UChar OnigEncAsciiToLowerCaseTable[];
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ONIG_EXTERN const UChar OnigEncAsciiToUpperCaseTable[];
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ONIG_EXTERN const unsigned short OnigEncAsciiCtypeTable[];
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#define ONIGENC_IS_ASCII_CODE(code) ((code) < 0x80)
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#define ONIGENC_ASCII_CODE_TO_LOWER_CASE(c) OnigEncAsciiToLowerCaseTable[c]
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#define ONIGENC_ASCII_CODE_TO_UPPER_CASE(c) OnigEncAsciiToUpperCaseTable[c]
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#define ONIGENC_IS_ASCII_CODE_CTYPE(code,ctype) \
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((OnigEncAsciiCtypeTable[code] & CTYPE_TO_BIT(ctype)) != 0)
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#define ONIGENC_IS_ASCII_CODE_CASE_AMBIG(code) \
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(ONIGENC_IS_ASCII_CODE_CTYPE(code, ONIGENC_CTYPE_UPPER) ||\
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ONIGENC_IS_ASCII_CODE_CTYPE(code, ONIGENC_CTYPE_LOWER))
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/* Check if the code is in the range. (from <= code && code <= to) */
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#define ONIGENC_IS_IN_RANGE(code, from, to) \
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((OnigCodePoint )((code) - (from)) <= (OnigCodePoint )((to) - (from)))
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#ifdef ONIG_ENC_REGISTER
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extern int ONIG_ENC_REGISTER(const char *, OnigEncoding);
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# define OnigEncodingName(n) encoding_##n
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# define OnigEncodingDeclare(n) static const OnigEncodingType OnigEncodingName(n)
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# define OnigEncodingDefine(f,n) \
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OnigEncodingDeclare(n); \
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void Init_##f(void) { \
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ONIG_ENC_REGISTER(OnigEncodingName(n).name, \
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&OnigEncodingName(n)); \
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} \
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OnigEncodingDeclare(n)
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#else
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# define OnigEncodingName(n) OnigEncoding##n
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# define OnigEncodingDeclare(n) const OnigEncodingType OnigEncodingName(n)
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# define OnigEncodingDefine(f,n) OnigEncodingDeclare(n)
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#endif
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/* macros for define replica encoding and encoding alias */
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#define ENC_REPLICATE(name, orig)
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#define ENC_ALIAS(name, orig)
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#define ENC_DUMMY(name)
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RUBY_SYMBOL_EXPORT_END
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#endif /* ONIGMO_REGENC_H */
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