Annotation of embedaddon/php/ext/mbstring/oniguruma/enc/iso8859_2.c, revision 1.1
1.1 ! misho 1: /**********************************************************************
! 2: iso8859_2.c - Oniguruma (regular expression library)
! 3: **********************************************************************/
! 4: /*-
! 5: * Copyright (c) 2002-2006 K.Kosako <sndgk393 AT ybb DOT ne DOT jp>
! 6: * All rights reserved.
! 7: *
! 8: * Redistribution and use in source and binary forms, with or without
! 9: * modification, are permitted provided that the following conditions
! 10: * are met:
! 11: * 1. Redistributions of source code must retain the above copyright
! 12: * notice, this list of conditions and the following disclaimer.
! 13: * 2. Redistributions in binary form must reproduce the above copyright
! 14: * notice, this list of conditions and the following disclaimer in the
! 15: * documentation and/or other materials provided with the distribution.
! 16: *
! 17: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
! 18: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 19: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 20: * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
! 21: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 22: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 23: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 24: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 25: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 26: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 27: * SUCH DAMAGE.
! 28: */
! 29:
! 30: #include "regenc.h"
! 31:
! 32: #define ENC_ISO_8859_2_TO_LOWER_CASE(c) EncISO_8859_2_ToLowerCaseTable[c]
! 33: #define ENC_IS_ISO_8859_2_CTYPE(code,ctype) \
! 34: ((EncISO_8859_2_CtypeTable[code] & ctype) != 0)
! 35:
! 36: static const UChar EncISO_8859_2_ToLowerCaseTable[256] = {
! 37: '\000', '\001', '\002', '\003', '\004', '\005', '\006', '\007',
! 38: '\010', '\011', '\012', '\013', '\014', '\015', '\016', '\017',
! 39: '\020', '\021', '\022', '\023', '\024', '\025', '\026', '\027',
! 40: '\030', '\031', '\032', '\033', '\034', '\035', '\036', '\037',
! 41: '\040', '\041', '\042', '\043', '\044', '\045', '\046', '\047',
! 42: '\050', '\051', '\052', '\053', '\054', '\055', '\056', '\057',
! 43: '\060', '\061', '\062', '\063', '\064', '\065', '\066', '\067',
! 44: '\070', '\071', '\072', '\073', '\074', '\075', '\076', '\077',
! 45: '\100', '\141', '\142', '\143', '\144', '\145', '\146', '\147',
! 46: '\150', '\151', '\152', '\153', '\154', '\155', '\156', '\157',
! 47: '\160', '\161', '\162', '\163', '\164', '\165', '\166', '\167',
! 48: '\170', '\171', '\172', '\133', '\134', '\135', '\136', '\137',
! 49: '\140', '\141', '\142', '\143', '\144', '\145', '\146', '\147',
! 50: '\150', '\151', '\152', '\153', '\154', '\155', '\156', '\157',
! 51: '\160', '\161', '\162', '\163', '\164', '\165', '\166', '\167',
! 52: '\170', '\171', '\172', '\173', '\174', '\175', '\176', '\177',
! 53: '\200', '\201', '\202', '\203', '\204', '\205', '\206', '\207',
! 54: '\210', '\211', '\212', '\213', '\214', '\215', '\216', '\217',
! 55: '\220', '\221', '\222', '\223', '\224', '\225', '\226', '\227',
! 56: '\230', '\231', '\232', '\233', '\234', '\235', '\236', '\237',
! 57: '\240', '\261', '\242', '\263', '\244', '\265', '\266', '\247',
! 58: '\250', '\271', '\272', '\273', '\274', '\255', '\276', '\277',
! 59: '\260', '\261', '\262', '\263', '\264', '\265', '\266', '\267',
! 60: '\270', '\271', '\272', '\273', '\274', '\275', '\276', '\277',
! 61: '\340', '\341', '\342', '\343', '\344', '\345', '\346', '\347',
! 62: '\350', '\351', '\352', '\353', '\354', '\355', '\356', '\357',
! 63: '\360', '\361', '\362', '\363', '\364', '\365', '\366', '\327',
! 64: '\370', '\371', '\372', '\373', '\374', '\375', '\376', '\337',
! 65: '\340', '\341', '\342', '\343', '\344', '\345', '\346', '\347',
! 66: '\350', '\351', '\352', '\353', '\354', '\355', '\356', '\357',
! 67: '\360', '\361', '\362', '\363', '\364', '\365', '\366', '\367',
! 68: '\370', '\371', '\372', '\373', '\374', '\375', '\376', '\377'
! 69: };
! 70:
! 71: static const unsigned short EncISO_8859_2_CtypeTable[256] = {
! 72: 0x2008, 0x2008, 0x2008, 0x2008, 0x2008, 0x2008, 0x2008, 0x2008,
! 73: 0x2008, 0x220c, 0x2209, 0x2208, 0x2208, 0x2208, 0x2008, 0x2008,
! 74: 0x2008, 0x2008, 0x2008, 0x2008, 0x2008, 0x2008, 0x2008, 0x2008,
! 75: 0x2008, 0x2008, 0x2008, 0x2008, 0x2008, 0x2008, 0x2008, 0x2008,
! 76: 0x2284, 0x21a0, 0x21a0, 0x21a0, 0x21a0, 0x21a0, 0x21a0, 0x21a0,
! 77: 0x21a0, 0x21a0, 0x21a0, 0x21a0, 0x21a0, 0x21a0, 0x21a0, 0x21a0,
! 78: 0x38b0, 0x38b0, 0x38b0, 0x38b0, 0x38b0, 0x38b0, 0x38b0, 0x38b0,
! 79: 0x38b0, 0x38b0, 0x21a0, 0x21a0, 0x21a0, 0x21a0, 0x21a0, 0x21a0,
! 80: 0x21a0, 0x3ca2, 0x3ca2, 0x3ca2, 0x3ca2, 0x3ca2, 0x3ca2, 0x34a2,
! 81: 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2,
! 82: 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2,
! 83: 0x34a2, 0x34a2, 0x34a2, 0x21a0, 0x21a0, 0x21a0, 0x21a0, 0x31a0,
! 84: 0x21a0, 0x38e2, 0x38e2, 0x38e2, 0x38e2, 0x38e2, 0x38e2, 0x30e2,
! 85: 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2,
! 86: 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2,
! 87: 0x30e2, 0x30e2, 0x30e2, 0x21a0, 0x21a0, 0x21a0, 0x21a0, 0x2008,
! 88: 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008,
! 89: 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008,
! 90: 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008,
! 91: 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008,
! 92: 0x0284, 0x14a2, 0x00a0, 0x14a2, 0x00a0, 0x14a2, 0x14a2, 0x00a0,
! 93: 0x00a0, 0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x01a0, 0x14a2, 0x14a2,
! 94: 0x00a0, 0x10e2, 0x00a0, 0x10e2, 0x00a0, 0x10e2, 0x10e2, 0x00a0,
! 95: 0x00a0, 0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x00a0, 0x10e2, 0x10e2,
! 96: 0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2,
! 97: 0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2,
! 98: 0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x00a0,
! 99: 0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x10e2,
! 100: 0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2,
! 101: 0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2,
! 102: 0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x00a0,
! 103: 0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x00a0
! 104: };
! 105:
! 106: static int
! 107: iso_8859_2_mbc_to_normalize(OnigAmbigType flag,
! 108: const UChar** pp, const UChar* end, UChar* lower)
! 109: {
! 110: const UChar* p = *pp;
! 111:
! 112: if (((flag & ONIGENC_AMBIGUOUS_MATCH_ASCII_CASE) != 0 &&
! 113: ONIGENC_IS_MBC_ASCII(p)) ||
! 114: ((flag & ONIGENC_AMBIGUOUS_MATCH_NONASCII_CASE) != 0 &&
! 115: !ONIGENC_IS_MBC_ASCII(p))) {
! 116: *lower = ENC_ISO_8859_2_TO_LOWER_CASE(*p);
! 117: }
! 118: else {
! 119: *lower = *p;
! 120: }
! 121: (*pp)++;
! 122: return 1; /* return byte length of converted char to lower */
! 123: }
! 124:
! 125: static int
! 126: iso_8859_2_is_mbc_ambiguous(OnigAmbigType flag,
! 127: const UChar** pp, const UChar* end)
! 128: {
! 129: const UChar* p = *pp;
! 130:
! 131: (*pp)++;
! 132: if (((flag & ONIGENC_AMBIGUOUS_MATCH_ASCII_CASE) != 0 &&
! 133: ONIGENC_IS_MBC_ASCII(p)) ||
! 134: ((flag & ONIGENC_AMBIGUOUS_MATCH_NONASCII_CASE) != 0 &&
! 135: !ONIGENC_IS_MBC_ASCII(p))) {
! 136: int v = (EncISO_8859_2_CtypeTable[*p] &
! 137: (ONIGENC_CTYPE_UPPER | ONIGENC_CTYPE_LOWER));
! 138:
! 139: if ((v | ONIGENC_CTYPE_LOWER) != 0) {
! 140: /* 0xdf is lower case letter, but can't convert. */
! 141: if (*p == 0xdf)
! 142: return FALSE;
! 143: else
! 144: return TRUE;
! 145: }
! 146:
! 147: return (v != 0 ? TRUE : FALSE);
! 148: }
! 149: return FALSE;
! 150: }
! 151:
! 152: static int
! 153: iso_8859_2_get_all_pair_ambig_codes(OnigAmbigType flag,
! 154: const OnigPairAmbigCodes** ccs)
! 155: {
! 156: static const OnigPairAmbigCodes cc[] = {
! 157: { 0xa1, 0xb1 },
! 158: { 0xa3, 0xb3 },
! 159: { 0xa5, 0xb5 },
! 160: { 0xa6, 0xb6 },
! 161: { 0xa9, 0xb9 },
! 162: { 0xaa, 0xba },
! 163: { 0xab, 0xbb },
! 164: { 0xac, 0xbc },
! 165: { 0xae, 0xbe },
! 166: { 0xaf, 0xbf },
! 167:
! 168: { 0xb1, 0xa1 },
! 169: { 0xb3, 0xa3 },
! 170: { 0xb5, 0xa5 },
! 171: { 0xb6, 0xa6 },
! 172: { 0xb9, 0xa9 },
! 173: { 0xba, 0xaa },
! 174: { 0xbb, 0xab },
! 175: { 0xbc, 0xac },
! 176: { 0xbe, 0xae },
! 177: { 0xbf, 0xaf },
! 178:
! 179: { 0xc0, 0xe0 },
! 180: { 0xc1, 0xe1 },
! 181: { 0xc2, 0xe2 },
! 182: { 0xc3, 0xe3 },
! 183: { 0xc4, 0xe4 },
! 184: { 0xc5, 0xe5 },
! 185: { 0xc6, 0xe6 },
! 186: { 0xc7, 0xe7 },
! 187: { 0xc8, 0xe8 },
! 188: { 0xc9, 0xe9 },
! 189: { 0xca, 0xea },
! 190: { 0xcb, 0xeb },
! 191: { 0xcc, 0xec },
! 192: { 0xcd, 0xed },
! 193: { 0xce, 0xee },
! 194: { 0xcf, 0xef },
! 195:
! 196: { 0xd0, 0xf0 },
! 197: { 0xd1, 0xf1 },
! 198: { 0xd2, 0xf2 },
! 199: { 0xd3, 0xf3 },
! 200: { 0xd4, 0xf4 },
! 201: { 0xd5, 0xf5 },
! 202: { 0xd6, 0xf6 },
! 203: { 0xd8, 0xf8 },
! 204: { 0xd9, 0xf9 },
! 205: { 0xda, 0xfa },
! 206: { 0xdb, 0xfb },
! 207: { 0xdc, 0xfc },
! 208: { 0xdd, 0xfd },
! 209: { 0xde, 0xfe },
! 210:
! 211: { 0xe0, 0xc0 },
! 212: { 0xe1, 0xc1 },
! 213: { 0xe2, 0xc2 },
! 214: { 0xe3, 0xc3 },
! 215: { 0xe4, 0xc4 },
! 216: { 0xe5, 0xc5 },
! 217: { 0xe6, 0xc6 },
! 218: { 0xe7, 0xc7 },
! 219: { 0xe8, 0xc8 },
! 220: { 0xe9, 0xc9 },
! 221: { 0xea, 0xca },
! 222: { 0xeb, 0xcb },
! 223: { 0xec, 0xcc },
! 224: { 0xed, 0xcd },
! 225: { 0xee, 0xce },
! 226: { 0xef, 0xcf },
! 227:
! 228: { 0xf0, 0xd0 },
! 229: { 0xf1, 0xd1 },
! 230: { 0xf2, 0xd2 },
! 231: { 0xf3, 0xd3 },
! 232: { 0xf4, 0xd4 },
! 233: { 0xf5, 0xd5 },
! 234: { 0xf6, 0xd6 },
! 235: { 0xf8, 0xd8 },
! 236: { 0xf9, 0xd9 },
! 237: { 0xfa, 0xda },
! 238: { 0xfb, 0xdb },
! 239: { 0xfc, 0xdc },
! 240: { 0xfd, 0xdd },
! 241: { 0xfe, 0xde }
! 242: };
! 243:
! 244: if (flag == ONIGENC_AMBIGUOUS_MATCH_ASCII_CASE) {
! 245: *ccs = OnigAsciiPairAmbigCodes;
! 246: return 52;
! 247: }
! 248: if (flag == ONIGENC_AMBIGUOUS_MATCH_NONASCII_CASE) {
! 249: *ccs = cc;
! 250: return sizeof(cc) / sizeof(OnigPairAmbigCodes);
! 251: }
! 252: else
! 253: return 0;
! 254: }
! 255:
! 256: static int
! 257: iso_8859_2_is_code_ctype(OnigCodePoint code, unsigned int ctype)
! 258: {
! 259: if (code < 256)
! 260: return ENC_IS_ISO_8859_2_CTYPE(code, ctype);
! 261: else
! 262: return FALSE;
! 263: }
! 264:
! 265: OnigEncodingType OnigEncodingISO_8859_2 = {
! 266: onigenc_single_byte_mbc_enc_len,
! 267: "ISO-8859-2", /* name */
! 268: 1, /* max enc length */
! 269: 1, /* min enc length */
! 270: (ONIGENC_AMBIGUOUS_MATCH_ASCII_CASE |
! 271: ONIGENC_AMBIGUOUS_MATCH_NONASCII_CASE ),
! 272: {
! 273: (OnigCodePoint )'\\' /* esc */
! 274: , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar '.' */
! 275: , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anytime '*' */
! 276: , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* zero or one time '?' */
! 277: , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* one or more time '+' */
! 278: , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar anytime */
! 279: },
! 280: onigenc_is_mbc_newline_0x0a,
! 281: onigenc_single_byte_mbc_to_code,
! 282: onigenc_single_byte_code_to_mbclen,
! 283: onigenc_single_byte_code_to_mbc,
! 284: iso_8859_2_mbc_to_normalize,
! 285: iso_8859_2_is_mbc_ambiguous,
! 286: iso_8859_2_get_all_pair_ambig_codes,
! 287: onigenc_ess_tsett_get_all_comp_ambig_codes,
! 288: iso_8859_2_is_code_ctype,
! 289: onigenc_not_support_get_ctype_code_range,
! 290: onigenc_single_byte_left_adjust_char_head,
! 291: onigenc_always_true_is_allowed_reverse_match
! 292: };
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