From a76fa337cc657dbe669ffb8dbdac606d4d6616f1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rg=20Frings-F=C3=BCrst?= <debian@jff-webhosting.net>
Date: Wed, 31 Aug 2016 03:42:05 +0200
Subject: Imported Upstream version 6.1.0

---
 sample/scan.c | 88 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 88 insertions(+)
 create mode 100644 sample/scan.c

(limited to 'sample/scan.c')

diff --git a/sample/scan.c b/sample/scan.c
new file mode 100644
index 0000000..ad5ae74
--- /dev/null
+++ b/sample/scan.c
@@ -0,0 +1,88 @@
+/*
+ * scan.c
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include "oniguruma.h"
+
+static int
+scan_callback(int n, int r, OnigRegion* region, void* arg)
+{
+  int i;
+
+  fprintf(stdout, "scan: %d\n", n);
+
+  fprintf(stdout, "match at %d\n", r);
+  for (i = 0; i < region->num_regs; i++) {
+    fprintf(stdout, "%d: (%d-%d)\n", i, region->beg[i], region->end[i]);
+  }
+
+  return 0;
+}
+
+static int
+scan(regex_t* reg, unsigned char* str, unsigned char* end)
+{
+  int r;
+  OnigRegion *region;
+
+  region = onig_region_new();
+
+  r = onig_scan(reg, str, end, region, ONIG_OPTION_NONE, scan_callback, NULL);
+  if (r >= 0) {
+    fprintf(stdout, "total: %d match\n", r);
+  }
+  else { /* error */
+    char s[ONIG_MAX_ERROR_MESSAGE_LEN];
+    onig_error_code_to_str((OnigUChar* )s, r);
+    fprintf(stderr, "ERROR: %s\n", s);
+    return -1;
+  }
+
+  onig_region_free(region, 1 /* 1:free self, 0:free contents only */);
+  return 0;
+}
+
+static int
+exec(OnigEncoding enc, OnigOptionType options, char* apattern, char* astr)
+{
+  int r;
+  unsigned char *end;
+  regex_t* reg;
+  OnigErrorInfo einfo;
+  UChar* pattern_end;
+  UChar* pattern = (UChar* )apattern;
+  UChar* str     = (UChar* )astr;
+
+  onig_initialize(&enc, 1);
+
+  pattern_end = pattern + onigenc_str_bytelen_null(enc, pattern);
+
+  r = onig_new(&reg, pattern, pattern_end, options, enc, ONIG_SYNTAX_DEFAULT, &einfo);
+  if (r != ONIG_NORMAL) {
+    char s[ONIG_MAX_ERROR_MESSAGE_LEN];
+    onig_error_code_to_str((OnigUChar* )s, r, &einfo);
+    fprintf(stderr, "ERROR: %s\n", s);
+    return -1;
+  }
+
+  end = str + onigenc_str_bytelen_null(enc, str);
+  r = scan(reg, str, end);
+
+  onig_free(reg);
+  onig_end();
+  return 0;
+}
+
+
+extern int main(int argc, char* argv[])
+{
+  exec(ONIG_ENCODING_UTF8, ONIG_OPTION_NONE,
+       "\\Ga+\\s*", "a aa aaa baaa");
+
+  fprintf(stdout, "\n");
+  exec(ONIG_ENCODING_UTF8, ONIG_OPTION_NONE,
+       "a+\\s*", "a aa aaa baaa");
+
+  return 0;
+}
-- 
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