root/ext/mbstring/oniguruma/enc/iso8859_5.c

DEFINITIONS

1. mbc_case_fold
2. is_mbc_ambiguous
3. is_code_ctype
4. apply_all_case_fold
5. get_case_fold_codes_by_str

   1 /**********************************************************************
   2   iso8859_5.c -  Oniguruma (regular expression library)
   3 **********************************************************************/
   4 /*-
   5  * Copyright (c) 2002-2008  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_5_TO_LOWER_CASE(c) EncISO_8859_5_ToLowerCaseTable[c]
  33 #define ENC_IS_ISO_8859_5_CTYPE(code,ctype) \
  34   ((EncISO_8859_5_CtypeTable[code] & CTYPE_TO_BIT(ctype)) != 0)
  35 
  36 static const UChar EncISO_8859_5_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', '\361', '\362', '\363', '\364', '\365', '\366', '\367',
  58   '\370', '\371', '\372', '\373', '\374', '\255', '\376', '\377',
  59   '\320', '\321', '\322', '\323', '\324', '\325', '\326', '\327',
  60   '\330', '\331', '\332', '\333', '\334', '\335', '\336', '\337',
  61   '\340', '\341', '\342', '\343', '\344', '\345', '\346', '\347',
  62   '\350', '\351', '\352', '\353', '\354', '\355', '\356', '\357',
  63   '\320', '\321', '\322', '\323', '\324', '\325', '\326', '\327',
  64   '\330', '\331', '\332', '\333', '\334', '\335', '\336', '\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_5_CtypeTable[256] = {
  72   0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008,
  73   0x4008, 0x420c, 0x4209, 0x4208, 0x4208, 0x4208, 0x4008, 0x4008,
  74   0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008,
  75   0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008,
  76   0x4284, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0,
  77   0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0,
  78   0x78b0, 0x78b0, 0x78b0, 0x78b0, 0x78b0, 0x78b0, 0x78b0, 0x78b0,
  79   0x78b0, 0x78b0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0,
  80   0x41a0, 0x7ca2, 0x7ca2, 0x7ca2, 0x7ca2, 0x7ca2, 0x7ca2, 0x74a2,
  81   0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2,
  82   0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2,
  83   0x74a2, 0x74a2, 0x74a2, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x51a0,
  84   0x41a0, 0x78e2, 0x78e2, 0x78e2, 0x78e2, 0x78e2, 0x78e2, 0x70e2,
  85   0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2,
  86   0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2,
  87   0x70e2, 0x70e2, 0x70e2, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x4008,
  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, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2,
  93   0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x01a0, 0x34a2, 0x34a2,
  94   0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2,
  95   0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2,
  96   0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2,
  97   0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2,
  98   0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2,
  99   0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2,
 100   0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2,
 101   0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2,
 102   0x00a0, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2,
 103   0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x00a0, 0x30e2, 0x30e2
 104 };
 105 
 106 static int
 107 mbc_case_fold(OnigCaseFoldType flag ARG_UNUSED,
 108               const UChar** pp, const UChar* end ARG_UNUSED, UChar* lower)
 109 {
 110   const UChar* p = *pp;
 111 
 112   *lower = ENC_ISO_8859_5_TO_LOWER_CASE(*p);
 113   (*pp)++;
 114   return 1;
 115 }
 116 
 117 #if 0
 118 static int
 119 is_mbc_ambiguous(OnigCaseFoldType flag, const UChar** pp, const UChar* end)
 120 {
 121   int v;
 122   const UChar* p = *pp;
 123 
 124   (*pp)++;
 125   v = (EncISO_8859_5_CtypeTable[*p] & (BIT_CTYPE_UPPER | BIT_CTYPE_LOWER));
 126   return (v != 0 ? TRUE : FALSE);
 127 }
 128 #endif
 129 
 130 static int
 131 is_code_ctype(OnigCodePoint code, unsigned int ctype)
 132 {
 133   if (code < 256)
 134     return ENC_IS_ISO_8859_5_CTYPE(code, ctype);
 135   else
 136     return FALSE;
 137 }
 138 
 139 static const OnigPairCaseFoldCodes CaseFoldMap[] = {
 140  { 0xa1, 0xf1 },
 141  { 0xa2, 0xf2 },
 142  { 0xa3, 0xf3 },
 143  { 0xa4, 0xf4 },
 144  { 0xa5, 0xf5 },
 145  { 0xa6, 0xf6 },
 146  { 0xa7, 0xf7 },
 147  { 0xa8, 0xf8 },
 148  { 0xa9, 0xf9 },
 149  { 0xaa, 0xfa },
 150  { 0xab, 0xfb },
 151  { 0xac, 0xfc },
 152  { 0xae, 0xfe },
 153  { 0xaf, 0xff },
 154 
 155  { 0xb0, 0xd0 },
 156  { 0xb1, 0xd1 },
 157  { 0xb2, 0xd2 },
 158  { 0xb3, 0xd3 },
 159  { 0xb4, 0xd4 },
 160  { 0xb5, 0xd5 },
 161  { 0xb6, 0xd6 },
 162  { 0xb7, 0xd7 },
 163  { 0xb8, 0xd8 },
 164  { 0xb9, 0xd9 },
 165  { 0xba, 0xda },
 166  { 0xbb, 0xdb },
 167  { 0xbc, 0xdc },
 168  { 0xbd, 0xdd },
 169  { 0xbe, 0xde },
 170  { 0xbf, 0xdf },
 171 
 172  { 0xc0, 0xe0 },
 173  { 0xc1, 0xe1 },
 174  { 0xc2, 0xe2 },
 175  { 0xc3, 0xe3 },
 176  { 0xc4, 0xe4 },
 177  { 0xc5, 0xe5 },
 178  { 0xc6, 0xe6 },
 179  { 0xc7, 0xe7 },
 180  { 0xc8, 0xe8 },
 181  { 0xc9, 0xe9 },
 182  { 0xca, 0xea },
 183  { 0xcb, 0xeb },
 184  { 0xcc, 0xec },
 185  { 0xcd, 0xed },
 186  { 0xce, 0xee },
 187  { 0xcf, 0xef }
 188 };
 189 
 190 static int
 191 apply_all_case_fold(OnigCaseFoldType flag,
 192                     OnigApplyAllCaseFoldFunc f, void* arg)
 193 {
 194   return onigenc_apply_all_case_fold_with_map(
 195              sizeof(CaseFoldMap)/sizeof(OnigPairCaseFoldCodes), CaseFoldMap, 0,
 196              flag, f, arg);
 197 }
 198 
 199 static int
 200 get_case_fold_codes_by_str(OnigCaseFoldType flag,
 201                            const OnigUChar* p, const OnigUChar* end,
 202                            OnigCaseFoldCodeItem items[])
 203 {
 204   return onigenc_get_case_fold_codes_by_str_with_map(
 205              sizeof(CaseFoldMap)/sizeof(OnigPairCaseFoldCodes), CaseFoldMap, 0,
 206              flag, p, end, items);
 207 }
 208 
 209 OnigEncodingType OnigEncodingISO_8859_5 = {
 210   onigenc_single_byte_mbc_enc_len,
 211   "ISO-8859-5",  /* name */
 212   1,             /* max enc length */
 213   1,             /* min enc length */
 214   onigenc_is_mbc_newline_0x0a,
 215   onigenc_single_byte_mbc_to_code,
 216   onigenc_single_byte_code_to_mbclen,
 217   onigenc_single_byte_code_to_mbc,
 218   mbc_case_fold,
 219   apply_all_case_fold,
 220   get_case_fold_codes_by_str,
 221   onigenc_minimum_property_name_to_ctype,
 222   is_code_ctype,
 223   onigenc_not_support_get_ctype_code_range,
 224   onigenc_single_byte_left_adjust_char_head,
 225   onigenc_always_true_is_allowed_reverse_match
 226 };