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/*
 * test_options.c
 * Copyright (c) 2020-2021  K.Kosako
 */
#ifdef ONIG_ESCAPE_UCHAR_COLLISION
#undef ONIG_ESCAPE_UCHAR_COLLISION
#endif
#include <stdio.h>

#include "oniguruma.h"

#include <string.h>

#define SLEN(s)  strlen(s)

static int nsucc  = 0;
static int nfail  = 0;
static int nerror = 0;

#ifdef __TRUSTINSOFT_ANALYZER__
static int nall = 0;
#endif

static FILE* err_file;

static OnigRegion* region;

static void xx(OnigOptionType options, char* pattern, char* str,
               int from, int to, int mem, int not, int error_no, int line_no)
{
#ifdef __TRUSTINSOFT_ANALYZER__
  if (nall++ % TIS_TEST_CHOOSE_MAX != TIS_TEST_CHOOSE_CURRENT) return;
#endif

  int r;
  regex_t* reg;
  OnigErrorInfo einfo;

  r = onig_new(&reg, (UChar* )pattern, (UChar* )(pattern + SLEN(pattern)),
         options, ONIG_ENCODING_UTF8, ONIG_SYNTAX_DEFAULT, &einfo);
  if (r) {
    char s[ONIG_MAX_ERROR_MESSAGE_LEN];

    if (error_no == 0) {
      onig_error_code_to_str((UChar* )s, r, &einfo);
      fprintf(err_file, "ERROR: %s  /%s/  #%d\n", s, pattern, line_no);
      nerror++;
    }
    else {
      if (r == error_no) {
        fprintf(stdout, "OK(ERROR): /%s/ %d  #%d\n", pattern, r, line_no);
        nsucc++;
      }
      else {
        fprintf(stdout, "FAIL(ERROR): /%s/ '%s', %d, %d  #%d\n", pattern, str,
                error_no, r, line_no);
        nfail++;
      }
    }

    return ;
  }

  r = onig_search(reg, (UChar* )str, (UChar* )(str + SLEN(str)),
                  (UChar* )str, (UChar* )(str + SLEN(str)),
                  region, options);
  if (r < ONIG_MISMATCH) {
    char s[ONIG_MAX_ERROR_MESSAGE_LEN];

    if (error_no == 0) {
      onig_error_code_to_str((UChar* )s, r);
      fprintf(err_file, "ERROR: %s  /%s/  #%d\n", s, pattern, line_no);
      nerror++;
    }
    else {
      if (r == error_no) {
        fprintf(stdout, "OK(ERROR): /%s/ '%s', %d  #%d\n",
                pattern, str, r, line_no);
        nsucc++;
      }
      else {
        fprintf(stdout, "FAIL ERROR NO: /%s/ '%s', %d, %d  #%d\n",
                pattern, str, error_no, r, line_no);
        nfail++;
      }
    }

    return ;
  }

  if (r == ONIG_MISMATCH) {
    if (not) {
      fprintf(stdout, "OK(N): /%s/ '%s'  #%d\n", pattern, str, line_no);
      nsucc++;
    }
    else {
      fprintf(stdout, "FAIL: /%s/ '%s'  #%d\n", pattern, str, line_no);
      nfail++;
    }
  }
  else {
    if (not) {
      fprintf(stdout, "FAIL(N): /%s/ '%s'  #%d\n", pattern, str, line_no);
      nfail++;
    }
    else {
      if (region->beg[mem] == from && region->end[mem] == to) {
        fprintf(stdout, "OK: /%s/ '%s'  #%d\n", pattern, str, line_no);
        nsucc++;
      }
      else {
        fprintf(stdout, "FAIL: /%s/ '%s' %d-%d : %d-%d  #%d\n", pattern, str,
                from, to, region->beg[mem], region->end[mem], line_no);
        nfail++;
      }
    }
  }
  onig_free(reg);
}

static void xx2(OnigOptionType options, char* pattern, char* str,
                int from, int to, int line_no)
{
  xx(options, pattern, str, from, to, 0, 0, 0, line_no);
}

static void xx3(OnigOptionType options, char* pattern, char* str,
                int from, int to, int mem, int line_no)
{
  xx(options, pattern, str, from, to, mem, 0, 0, line_no);
}

static void xn(OnigOptionType options, char* pattern, char* str, int line_no)
{
  xx(options, pattern, str, 0, 0, 0, 1, 0, line_no);
}

#if 0
static void xe(OnigOptionType options, char* pattern, char* str,
               int error_no, int line_no)
{
  xx(options, pattern, str, 0, 0, 0, 0, error_no, line_no);
}
#endif

#define x2(o,p,s,f,t)    xx2(o,p,s,f,t, __LINE__)
#define x3(o,p,s,f,t,m)  xx3(o,p,s,f,t,m, __LINE__)
#define n(o,p,s)          xn(o,p,s,   __LINE__)
#define e(o,p,s,en)       xe(o,p,s,en, __LINE__)

#define OIA  (ONIG_OPTION_IGNORECASE | ONIG_OPTION_IGNORECASE_IS_ASCII)

extern int main(int argc, char* argv[])
{
  OnigEncoding use_encs[1];

  use_encs[0] = ONIG_ENCODING_UTF8;
  onig_initialize(use_encs, sizeof(use_encs)/sizeof(use_encs[0]));

  err_file = stdout;

  region = onig_region_new();

  x2(ONIG_OPTION_IGNORECASE, "a", "A", 0, 1);
  n(ONIG_OPTION_IGNORECASE_IS_ASCII, "a", "A");
  /* KELVIN SIGN */
  x2(ONIG_OPTION_IGNORECASE, "\xe2\x84\xaa", "k", 0, 1);
  x2(ONIG_OPTION_IGNORECASE, "k", "\xe2\x84\xaa", 0, 3);
  n(OIA, "\xe2\x84\xaa", "k");
  n(OIA, "k", "\xe2\x84\xaa");
  x2(OIA, "a", "a", 0, 1);
  x2(OIA, "A", "A", 0, 1);
  x2(OIA, "a", "A", 0, 1);
  x2(OIA, "A", "a", 0, 1);
  x2(OIA, "ABCDEFGHIJKLMNOPQRSTUVWXYZ", "abcdefghijklmnopqrstuvwxyz", 0, 26);
  x2(OIA, "abcdefghijklmnopqrstuvwxyz", "ABCDEFGHIJKLMNOPQRSTUVWXYZ", 0, 26);
  x2(OIA, "ABCDEFGHIJKLMNOPQRSTUVWXYZ", "ABCabcdefghijklmnopqrstuvwxyz", 3, 29);
  x2(OIA, "abcdefghijklmnopqrstuvwxyz", "abcABCDEFGHIJKLMNOPQRSTUVWXYZ", 3, 29);
  x3(OIA, "#%(a!;)(b&)", "#%A!;B&", 5, 7, 2);

  x2(ONIG_OPTION_IGNORECASE, "ss", "\xc3\x9f", 0, 2);
  x2(ONIG_OPTION_IGNORECASE, "\xc3\x9f", "SS", 0, 2);
  n(OIA, "ss", "\xc3\x9f");
  n(OIA, "\xc3\x9f", "ss");
  x2(OIA, "ss", "SS", 0, 2);
  x2(OIA, "Ss", "sS", 0, 2);

  n(ONIG_OPTION_NOTBOL, "^ab", "ab");
  n(ONIG_OPTION_NOTBOL, "\\Aab", "ab");
  n(ONIG_OPTION_NOTEOL, "ab$", "ab");
  n(ONIG_OPTION_NOTEOL, "ab\\z", "ab");
  n(ONIG_OPTION_NOTEOL, "ab\\Z", "ab");
  n(ONIG_OPTION_NOTEOL, "ab\\Z", "ab\n");

  n(ONIG_OPTION_NOT_BEGIN_STRING, "\\Aab", "ab");
  n(ONIG_OPTION_NOT_END_STRING, "ab\\z", "ab");
  n(ONIG_OPTION_NOT_END_STRING, "ab\\Z", "ab");
  n(ONIG_OPTION_NOT_END_STRING, "ab\\Z", "ab\n");

  x2(ONIG_OPTION_WORD_IS_ASCII, "\\w", "@g", 1, 2);
  n(ONIG_OPTION_WORD_IS_ASCII, "\\w", "あ");
  x2(ONIG_OPTION_NONE, "\\d", "1", 0, 3);
  n(ONIG_OPTION_DIGIT_IS_ASCII, "\\d", "1");
  x2(ONIG_OPTION_SPACE_IS_ASCII, "\\s", " ", 0, 1);
  x2(ONIG_OPTION_NONE, "\\s", " ", 0, 3);
  n(ONIG_OPTION_SPACE_IS_ASCII, "\\s", " ");

  x2(ONIG_OPTION_POSIX_IS_ASCII, "\\w\\d\\s", "c3 ", 0, 3);
  n(ONIG_OPTION_POSIX_IS_ASCII, "\\w|\\d|\\s", "あ4 ");

  x2(ONIG_OPTION_EXTEND, " abc  \n def", "abcdef", 0, 6);
  x2(ONIG_OPTION_FIND_LONGEST, "\\w+", "abc defg hij", 4, 8);
  x2(ONIG_OPTION_FIND_NOT_EMPTY, "\\w*", "@@@ abc defg hij", 4, 7);


  fprintf(stdout,
       "\nRESULT   SUCC: %4d,  FAIL: %d,  ERROR: %d      (by Oniguruma %s)\n",
       nsucc, nfail, nerror, onig_version());

  onig_region_free(region, 1);
  onig_end();

  return ((nfail == 0 && nerror == 0) ? 0 : -1);
}