Blame sample/syntax.c

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/*
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 * syntax.c
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 */
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#include <stdio.h>
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#include <string.h>
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#include "oniguruma.h"
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extern int exec(OnigSyntaxType* syntax,
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		char* apattern, char* astr)
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{
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  int r;
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  unsigned char *start, *range, *end;
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  regex_t* reg;
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  OnigErrorInfo einfo;
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  OnigRegion *region;
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  UChar* pattern = (UChar* )apattern;
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  UChar* str     = (UChar* )astr;
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  r = onig_new(&reg, pattern, pattern + strlen((char* )pattern),
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	       ONIG_OPTION_DEFAULT, ONIG_ENCODING_ASCII, syntax, &einfo);
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  if (r != ONIG_NORMAL) {
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    char s[ONIG_MAX_ERROR_MESSAGE_LEN];
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    onig_error_code_to_str((UChar* )s, r, &einfo);
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    fprintf(stderr, "ERROR: %s\n", s);
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    return -1;
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  }
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  region = onig_region_new();
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  end   = str + strlen((char* )str);
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  start = str;
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  range = end;
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  r = onig_search(reg, str, end, start, range, region, ONIG_OPTION_NONE);
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  if (r >= 0) {
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    int i;
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    fprintf(stderr, "match at %d\n", r);
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    for (i = 0; i < region->num_regs; i++) {
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      fprintf(stderr, "%d: (%d-%d)\n", i, region->beg[i], region->end[i]);
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    }
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  }
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  else if (r == ONIG_MISMATCH) {
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    fprintf(stderr, "search fail\n");
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  }
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  else { /* error */
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    char s[ONIG_MAX_ERROR_MESSAGE_LEN];
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    onig_error_code_to_str((UChar* )s, r);
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    fprintf(stderr, "ERROR: %s\n", s);
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    return -1;
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  }
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  onig_region_free(region, 1 /* 1:free self, 0:free contents only */);
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  onig_free(reg);
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  return 0;
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}
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extern int main(int argc, char* argv[])
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{
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  int r;
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  OnigEncoding use_encs[] = { ONIG_ENCODING_ASCII };
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  onig_initialize(use_encs, sizeof(use_encs)/sizeof(use_encs[0]));
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  r = exec(ONIG_SYNTAX_PERL,
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	   "\\p{XDigit}\\P{XDigit}\\p{^XDigit}\\P{^XDigit}\\p{XDigit}",
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	   "bgh3a");
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  r = exec(ONIG_SYNTAX_JAVA,
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	   "\\p{XDigit}\\P{XDigit}[a-c&&b-g]", "bgc");
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  r = exec(ONIG_SYNTAX_ASIS,
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           "abc def* e+ g?ddd[a-rvvv] (vv){3,7}hv\\dvv(?:aczui ss)\\W\\w$",
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           "abc def* e+ g?ddd[a-rvvv] (vv){3,7}hv\\dvv(?:aczui ss)\\W\\w$");
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  onig_end();
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  return r;
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}