1 files changed, 76 insertions, 0 deletions
diff --git a/src/fluent-bit/lib/onigmo/sample/syntax.c b/src/fluent-bit/lib/onigmo/sample/syntax.c
new file mode 100644
index 000000000..ac74788da
--- /dev/null
+++ b/src/fluent-bit/lib/onigmo/sample/syntax.c
@@ -0,0 +1,76 @@
+/*
+ * syntax.c
+ */
+#include <stdio.h>
+#include <string.h>
+#include "onigmo.h"
+
+extern int exec(const OnigSyntaxType* syntax,
+		char* apattern, char* astr)
+{
+  int r;
+  unsigned char *start, *range, *end;
+  regex_t* reg;
+  OnigErrorInfo einfo;
+  OnigRegion *region;
+  UChar* pattern = (UChar* )apattern;
+  UChar* str     = (UChar* )astr;
+
+  r = onig_new(&reg, pattern, pattern + strlen((char* )pattern),
+	       ONIG_OPTION_DEFAULT, ONIG_ENCODING_ASCII, syntax, &einfo);
+  if (r != ONIG_NORMAL) {
+    OnigUChar s[ONIG_MAX_ERROR_MESSAGE_LEN];
+    onig_error_code_to_str(s, r, &einfo);
+    fprintf(stderr, "ERROR: %s\n", s);
+    return -1;
+  }
+
+  region = onig_region_new();
+
+  end   = str + strlen((char* )str);
+  start = str;
+  range = end;
+  r = onig_search(reg, str, end, start, range, region, ONIG_OPTION_NONE);
+  if (r >= 0) {
+    int i;
+
+    fprintf(stderr, "match at %d\n", r);
+    for (i = 0; i < region->num_regs; i++) {
+      fprintf(stderr, "%d: (%ld-%ld)\n", i, region->beg[i], region->end[i]);
+    }
+    r = 0;
+  }
+  else if (r == ONIG_MISMATCH) {
+    fprintf(stderr, "search fail\n");
+    r = -1;
+  }
+  else { /* error */
+    OnigUChar s[ONIG_MAX_ERROR_MESSAGE_LEN];
+    onig_error_code_to_str(s, r);
+    fprintf(stderr, "ERROR: %s\n", s);
+    return -1;
+  }
+
+  onig_region_free(region, 1 /* 1:free self, 0:free contents only */);
+  onig_free(reg);
+  onig_end();
+  return r;
+}
+
+extern int main(int argc, char* argv[])
+{
+  int r = 0;
+
+  r |= exec(ONIG_SYNTAX_PERL,
+	   "\\p{XDigit}\\P{XDigit}\\p{^XDigit}\\P{^XDigit}\\p{XDigit}",
+	   "bgh3a");
+
+  r |= exec(ONIG_SYNTAX_JAVA,
+	   "\\p{XDigit}\\P{XDigit}[a-c&&b-g]\\u0020[\\u0021]", "bgc !");
+
+  r |= exec(ONIG_SYNTAX_ASIS,
+           "abc def* e+ g?ddd[a-rvvv] (vv){3,7}hv\\dvv(?:aczui ss)\\W\\w$",
+           "abc def* e+ g?ddd[a-rvvv] (vv){3,7}hv\\dvv(?:aczui ss)\\W\\w$");
+  onig_end();
+  return r;
+}