diff options
Diffstat (limited to 'enc/iso8859_15.c')
| -rw-r--r-- | enc/iso8859_15.c | 235 |
1 files changed, 235 insertions, 0 deletions
diff --git a/enc/iso8859_15.c b/enc/iso8859_15.c new file mode 100644 index 0000000..08492fb --- /dev/null +++ b/enc/iso8859_15.c @@ -0,0 +1,235 @@ +/********************************************************************** + iso8859_15.c - Oniguruma (regular expression library) +**********************************************************************/ +/*- + * Copyright (c) 2002-2007 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. + */ + +#include "regenc.h" + +#define ENC_ISO_8859_15_TO_LOWER_CASE(c) EncISO_8859_15_ToLowerCaseTable[c] +#define ENC_IS_ISO_8859_15_CTYPE(code,ctype) \ + ((EncISO_8859_15_CtypeTable[code] & CTYPE_TO_BIT(ctype)) != 0) + +static const UChar EncISO_8859_15_ToLowerCaseTable[256] = { + '\000', '\001', '\002', '\003', '\004', '\005', '\006', '\007', + '\010', '\011', '\012', '\013', '\014', '\015', '\016', '\017', + '\020', '\021', '\022', '\023', '\024', '\025', '\026', '\027', + '\030', '\031', '\032', '\033', '\034', '\035', '\036', '\037', + '\040', '\041', '\042', '\043', '\044', '\045', '\046', '\047', + '\050', '\051', '\052', '\053', '\054', '\055', '\056', '\057', + '\060', '\061', '\062', '\063', '\064', '\065', '\066', '\067', + '\070', '\071', '\072', '\073', '\074', '\075', '\076', '\077', + '\100', '\141', '\142', '\143', '\144', '\145', '\146', '\147', + '\150', '\151', '\152', '\153', '\154', '\155', '\156', '\157', + '\160', '\161', '\162', '\163', '\164', '\165', '\166', '\167', + '\170', '\171', '\172', '\133', '\134', '\135', '\136', '\137', + '\140', '\141', '\142', '\143', '\144', '\145', '\146', '\147', + '\150', '\151', '\152', '\153', '\154', '\155', '\156', '\157', + '\160', '\161', '\162', '\163', '\164', '\165', '\166', '\167', + '\170', '\171', '\172', '\173', '\174', '\175', '\176', '\177', + '\200', '\201', '\202', '\203', '\204', '\205', '\206', '\207', + '\210', '\211', '\212', '\213', '\214', '\215', '\216', '\217', + '\220', '\221', '\222', '\223', '\224', '\225', '\226', '\227', + '\230', '\231', '\232', '\233', '\234', '\235', '\236', '\237', + '\240', '\241', '\242', '\243', '\244', '\245', '\250', '\247', + '\250', '\251', '\252', '\253', '\254', '\255', '\256', '\257', + '\260', '\261', '\262', '\263', '\270', '\265', '\266', '\267', + '\270', '\271', '\272', '\273', '\275', '\275', '\377', '\277', + '\340', '\341', '\342', '\343', '\344', '\345', '\346', '\347', + '\350', '\351', '\352', '\353', '\354', '\355', '\356', '\357', + '\360', '\361', '\362', '\363', '\364', '\365', '\366', '\327', + '\370', '\371', '\372', '\373', '\374', '\375', '\376', '\337', + '\340', '\341', '\342', '\343', '\344', '\345', '\346', '\347', + '\350', '\351', '\352', '\353', '\354', '\355', '\356', '\357', + '\360', '\361', '\362', '\363', '\364', '\365', '\366', '\367', + '\370', '\371', '\372', '\373', '\374', '\375', '\376', '\377' +}; + +static const unsigned short EncISO_8859_15_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, 0x34a2, 0x00a0, + 0x30e2, 0x00a0, 0x30e2, 0x01a0, 0x00a0, 0x01a0, 0x00a0, 0x00a0, + 0x00a0, 0x00a0, 0x10a0, 0x10a0, 0x34a2, 0x30e2, 0x00a0, 0x01a0, + 0x30e2, 0x10a0, 0x30e2, 0x01a0, 0x34a2, 0x30e2, 0x34a2, 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 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 = ENC_ISO_8859_15_TO_LOWER_CASE(*p); + (*pp)++; + return 1; /* return byte length of converted char to lower */ +} + +#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_15_CtypeTable[*p] & (BIT_CTYPE_UPPER | BIT_CTYPE_LOWER)); + if ((v | BIT_CTYPE_LOWER) != 0) { + /* 0xdf etc.. are lower case letter, but can't convert. */ + if (*p == 0xaa || *p == 0xb5 || *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_15_CTYPE(code, ctype); + else + return FALSE; +} + +static const OnigPairCaseFoldCodes CaseFoldMap[] = { + { 0xa6, 0xa8 }, + + { 0xb4, 0xb8 }, + { 0xbc, 0xbd }, + { 0xbe, 0xff }, + + { 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, + const OnigUChar* p, const OnigUChar* end, OnigCaseFoldCodeItem items[]) +{ + return onigenc_get_case_fold_codes_by_str_with_map( + sizeof(CaseFoldMap)/sizeof(OnigPairCaseFoldCodes), CaseFoldMap, 1, + flag, p, end, items); +} + +OnigEncodingType OnigEncodingISO_8859_15 = { + onigenc_single_byte_mbc_enc_len, + "ISO-8859-15", /* 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 +}; |