From 5e01a4852b31d537307994248869caf38b4023cc Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B6rg=20Frings-F=C3=BCrst?= Date: Tue, 10 May 2016 05:12:17 +0200 Subject: Imported Upstream version 6.0.0 --- src/iso8859_1.c | 274 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 274 insertions(+) create mode 100644 src/iso8859_1.c (limited to 'src/iso8859_1.c') diff --git a/src/iso8859_1.c b/src/iso8859_1.c new file mode 100644 index 0000000..b2d8c9a --- /dev/null +++ b/src/iso8859_1.c @@ -0,0 +1,274 @@ +/********************************************************************** + iso8859_1.c - Oniguruma (regular expression library) +**********************************************************************/ +/*- + * Copyright (c) 2002-2016 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. + */ + +#include "regenc.h" + +#define ENC_IS_ISO_8859_1_CTYPE(code,ctype) \ + ((EncISO_8859_1_CtypeTable[code] & CTYPE_TO_BIT(ctype)) != 0) + +static const unsigned short EncISO_8859_1_CtypeTable[256] = { + 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, + 0x4008, 0x420c, 0x4209, 0x4208, 0x4208, 0x4208, 0x4008, 0x4008, + 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, + 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, + 0x4284, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, + 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, + 0x78b0, 0x78b0, 0x78b0, 0x78b0, 0x78b0, 0x78b0, 0x78b0, 0x78b0, + 0x78b0, 0x78b0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, + 0x41a0, 0x7ca2, 0x7ca2, 0x7ca2, 0x7ca2, 0x7ca2, 0x7ca2, 0x74a2, + 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, + 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, + 0x74a2, 0x74a2, 0x74a2, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x51a0, + 0x41a0, 0x78e2, 0x78e2, 0x78e2, 0x78e2, 0x78e2, 0x78e2, 0x70e2, + 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, + 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, + 0x70e2, 0x70e2, 0x70e2, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x4008, + 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, + 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, + 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, + 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, + 0x0284, 0x01a0, 0x00a0, 0x00a0, 0x00a0, 0x00a0, 0x00a0, 0x00a0, + 0x00a0, 0x00a0, 0x30e2, 0x01a0, 0x00a0, 0x01a0, 0x00a0, 0x00a0, + 0x00a0, 0x00a0, 0x10a0, 0x10a0, 0x00a0, 0x30e2, 0x00a0, 0x01a0, + 0x00a0, 0x10a0, 0x30e2, 0x01a0, 0x10a0, 0x10a0, 0x10a0, 0x01a0, + 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, + 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, + 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x00a0, + 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x30e2, + 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, + 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, + 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x00a0, + 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2 +}; + +static const OnigPairCaseFoldCodes CaseFoldMap[] = { + { 0xc0, 0xe0 }, + { 0xc1, 0xe1 }, + { 0xc2, 0xe2 }, + { 0xc3, 0xe3 }, + { 0xc4, 0xe4 }, + { 0xc5, 0xe5 }, + { 0xc6, 0xe6 }, + { 0xc7, 0xe7 }, + { 0xc8, 0xe8 }, + { 0xc9, 0xe9 }, + { 0xca, 0xea }, + { 0xcb, 0xeb }, + { 0xcc, 0xec }, + { 0xcd, 0xed }, + { 0xce, 0xee }, + { 0xcf, 0xef }, + + { 0xd0, 0xf0 }, + { 0xd1, 0xf1 }, + { 0xd2, 0xf2 }, + { 0xd3, 0xf3 }, + { 0xd4, 0xf4 }, + { 0xd5, 0xf5 }, + { 0xd6, 0xf6 }, + { 0xd8, 0xf8 }, + { 0xd9, 0xf9 }, + { 0xda, 0xfa }, + { 0xdb, 0xfb }, + { 0xdc, 0xfc }, + { 0xdd, 0xfd }, + { 0xde, 0xfe } +}; + +static int +apply_all_case_fold(OnigCaseFoldType flag, + OnigApplyAllCaseFoldFunc f, void* arg) +{ + return onigenc_apply_all_case_fold_with_map( + sizeof(CaseFoldMap)/sizeof(OnigPairCaseFoldCodes), CaseFoldMap, 1, + flag, f, arg); +} + +static int +get_case_fold_codes_by_str(OnigCaseFoldType flag ARG_UNUSED, + const OnigUChar* p, const OnigUChar* end, + OnigCaseFoldCodeItem items[]) +{ + if (0x41 <= *p && *p <= 0x5a) { + items[0].byte_len = 1; + items[0].code_len = 1; + items[0].code[0] = (OnigCodePoint )(*p + 0x20); + if (*p == 0x53 && end > p + 1 + && (*(p+1) == 0x53 || *(p+1) == 0x73)) { /* SS */ + items[1].byte_len = 2; + items[1].code_len = 1; + items[1].code[0] = (OnigCodePoint )0xdf; + return 2; + } + else + return 1; + } + else if (0x61 <= *p && *p <= 0x7a) { + items[0].byte_len = 1; + items[0].code_len = 1; + items[0].code[0] = (OnigCodePoint )(*p - 0x20); + if (*p == 0x73 && end > p + 1 + && (*(p+1) == 0x73 || *(p+1) == 0x53)) { /* ss */ + items[1].byte_len = 2; + items[1].code_len = 1; + items[1].code[0] = (OnigCodePoint )0xdf; + return 2; + } + else + return 1; + } + else if (0xc0 <= *p && *p <= 0xcf) { + items[0].byte_len = 1; + items[0].code_len = 1; + items[0].code[0] = (OnigCodePoint )(*p + 0x20); + return 1; + } + else if (0xd0 <= *p && *p <= 0xdf) { + if (*p == 0xdf) { + items[0].byte_len = 1; + items[0].code_len = 2; + items[0].code[0] = (OnigCodePoint )'s'; + items[0].code[1] = (OnigCodePoint )'s'; + + items[1].byte_len = 1; + items[1].code_len = 2; + items[1].code[0] = (OnigCodePoint )'S'; + items[1].code[1] = (OnigCodePoint )'S'; + + items[2].byte_len = 1; + items[2].code_len = 2; + items[2].code[0] = (OnigCodePoint )'s'; + items[2].code[1] = (OnigCodePoint )'S'; + + items[3].byte_len = 1; + items[3].code_len = 2; + items[3].code[0] = (OnigCodePoint )'S'; + items[3].code[1] = (OnigCodePoint )'s'; + + return 4; + } + else if (*p != 0xd7) { + items[0].byte_len = 1; + items[0].code_len = 1; + items[0].code[0] = (OnigCodePoint )(*p + 0x20); + return 1; + } + } + else if (0xe0 <= *p && *p <= 0xef) { + items[0].byte_len = 1; + items[0].code_len = 1; + items[0].code[0] = (OnigCodePoint )(*p - 0x20); + return 1; + } + else if (0xf0 <= *p && *p <= 0xfe) { + if (*p != 0xf7) { + items[0].byte_len = 1; + items[0].code_len = 1; + items[0].code[0] = (OnigCodePoint )(*p - 0x20); + return 1; + } + } + + return 0; +} + +static int +mbc_case_fold(OnigCaseFoldType flag, const UChar** pp, + const UChar* end ARG_UNUSED, UChar* lower) +{ + const UChar* p = *pp; + + if (*p == 0xdf && (flag & INTERNAL_ONIGENC_CASE_FOLD_MULTI_CHAR) != 0) { + *lower++ = 's'; + *lower = 's'; + (*pp)++; + return 2; + } + + *lower = ONIGENC_ISO_8859_1_TO_LOWER_CASE(*p); + (*pp)++; + return 1; +} + +#if 0 +static int +is_mbc_ambiguous(OnigCaseFoldType flag, + const UChar** pp, const UChar* end) +{ + int v; + const UChar* p = *pp; + + if (*p == 0xdf && (flag & INTERNAL_ONIGENC_CASE_FOLD_MULTI_CHAR) != 0) { + (*pp)++; + return TRUE; + } + + (*pp)++; + v = (EncISO_8859_1_CtypeTable[*p] & (BIT_CTYPE_UPPER | BIT_CTYPE_LOWER)); + if ((v | BIT_CTYPE_LOWER) != 0) { + /* 0xdf, 0xaa, 0xb5, 0xba are lower case letter, but can't convert. */ + if (*p >= 0xaa && *p <= 0xba) + return FALSE; + else + return TRUE; + } + + return (v != 0 ? TRUE : FALSE); +} +#endif + +static int +is_code_ctype(OnigCodePoint code, unsigned int ctype) +{ + if (code < 256) + return ENC_IS_ISO_8859_1_CTYPE(code, ctype); + else + return FALSE; +} + +OnigEncodingType OnigEncodingISO_8859_1 = { + onigenc_single_byte_mbc_enc_len, + "ISO-8859-1", /* name */ + 1, /* max enc length */ + 1, /* min enc length */ + onigenc_is_mbc_newline_0x0a, + onigenc_single_byte_mbc_to_code, + onigenc_single_byte_code_to_mbclen, + onigenc_single_byte_code_to_mbc, + mbc_case_fold, + apply_all_case_fold, + get_case_fold_codes_by_str, + onigenc_minimum_property_name_to_ctype, + is_code_ctype, + onigenc_not_support_get_ctype_code_range, + onigenc_single_byte_left_adjust_char_head, + onigenc_always_true_is_allowed_reverse_match, + NULL, /* init */ + NULL /* is_initialized */ +}; -- cgit v1.2.3