text: ﻿/**********************************************************************
    iso8859_5.c -  Oniguruma (regular expression library)
  **********************************************************************/
  /*-
   * Copyright (c) 2002-2008  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_5_TO_LOWER_CASE(c) EncISO_8859_5_ToLowerCaseTable[c]
  #define ENC_IS_ISO_8859_5_CTYPE(code,ctype) \
    ((EncISO_8859_5_CtypeTable[code] & CTYPE_TO_BIT(ctype)) != 0)
  
  static const UChar EncISO_8859_5_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', '\361', '\362', '\363', '\364', '\365', '\366', '\367',
    '\370', '\371', '\372', '\373', '\374', '\255', '\376', '\377',
    '\320', '\321', '\322', '\323', '\324', '\325', '\326', '\327',
    '\330', '\331', '\332', '\333', '\334', '\335', '\336', '\337',
    '\340', '\341', '\342', '\343', '\344', '\345', '\346', '\347',
    '\350', '\351', '\352', '\353', '\354', '\355', '\356', '\357',
    '\320', '\321', '\322', '\323', '\324', '\325', '\326', '\327',
    '\330', '\331', '\332', '\333', '\334', '\335', '\336', '\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_5_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, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2,
    0x34a2, 0x34a2, 0x34a2, 0x34a2, 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, 0x34a2, 0x34a2, 0x34a2,
    0x34a2, 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,
    0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2,
    0x00a0, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2,
    0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x00a0, 0x30e2, 0x30e2
  };
  
  static int
  mbc_case_fold(OnigCaseFoldType flag ARG_UNUSED,
  	      const UChar** pp, const UChar* end ARG_UNUSED, UChar* lower)
  {
    const UChar* p = *pp;
  
    *lower = ENC_ISO_8859_5_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;
  
    (*pp)++;
    v = (EncISO_8859_5_CtypeTable[*p] & (BIT_CTYPE_UPPER | BIT_CTYPE_LOWER));
    return (v != 0 ? TRUE : FALSE);
  }
  #endif
  
  static int
  is_code_ctype(OnigCodePoint code, unsigned int ctype)
  {
    if (code < 256)
      return ENC_IS_ISO_8859_5_CTYPE(code, ctype);
    else
      return FALSE;
  }
  
  static const OnigPairCaseFoldCodes CaseFoldMap[] = {
   { 0xa1, 0xf1 },
   { 0xa2, 0xf2 },
   { 0xa3, 0xf3 },
   { 0xa4, 0xf4 },
   { 0xa5, 0xf5 },
   { 0xa6, 0xf6 },
   { 0xa7, 0xf7 },
   { 0xa8, 0xf8 },
   { 0xa9, 0xf9 },
   { 0xaa, 0xfa },
   { 0xab, 0xfb },
   { 0xac, 0xfc },
   { 0xae, 0xfe },
   { 0xaf, 0xff },
  
   { 0xb0, 0xd0 },
   { 0xb1, 0xd1 },
   { 0xb2, 0xd2 },
   { 0xb3, 0xd3 },
   { 0xb4, 0xd4 },
   { 0xb5, 0xd5 },
   { 0xb6, 0xd6 },
   { 0xb7, 0xd7 },
   { 0xb8, 0xd8 },
   { 0xb9, 0xd9 },
   { 0xba, 0xda },
   { 0xbb, 0xdb },
   { 0xbc, 0xdc },
   { 0xbd, 0xdd },
   { 0xbe, 0xde },
   { 0xbf, 0xdf },
  
   { 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 }
  };
  
  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, 0,
               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, 0,
  	     flag, p, end, items);
  }
  
  OnigEncodingType OnigEncodingISO_8859_5 = {
    onigenc_single_byte_mbc_enc_len,
    "ISO-8859-5",  /* 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
  };
  