1 files changed, 168 insertions, 0 deletions
diff --git a/sample/callback_each_match.c b/sample/callback_each_match.c
new file mode 100644
index 0000000..10ed56d
--- /dev/null
+++ b/sample/callback_each_match.c
@@ -0,0 +1,168 @@
+/*
+ * callback_each_match.c
+ */
+#include <stdio.h>
+#include <string.h>
+#include "oniguruma.h"
+
+static int
+each_match_callback(const UChar* str, const UChar* end,
+     const UChar* match_start, OnigRegion* region, void* user_data)
+{
+#if 1
+  fprintf(stdout, "each_match_callback:\n");
+  fprintf(stdout, "  match at:  %ld - %d: %p\n", match_start - str, region->end[0],
+          user_data);
+  fprintf(stdout, "  region[0]: %d - %d\n", region->beg[0], region->end[0]);
+#else
+  int i;
+  i = region->beg[0];
+  fputc('<', stdout);
+  while (i < region->end[0]) {
+    fputc((int )str[i], stdout);
+    i++;
+  }
+  fputc('>', stdout);
+#endif
+
+#if 0
+  /* terminate match/search if returns error code < 0 */
+  return ONIG_ABORT;
+#endif
+
+  return ONIG_NORMAL;
+}
+
+static int
+search(UChar* pattern, UChar* str, OnigOptionType options, OnigOptionType runtime_options)
+{
+  int r;
+  unsigned char *start, *range, *end;
+  regex_t* reg;
+  OnigErrorInfo einfo;
+  OnigRegion *region;
+  OnigMatchParam* mp;
+  void* user_data;
+
+  r = onig_new(&reg, pattern, pattern + strlen((char* )pattern),
+               options, ONIG_ENCODING_ASCII, ONIG_SYNTAX_DEFAULT, &einfo);
+  if (r != ONIG_NORMAL) {
+    char s[ONIG_MAX_ERROR_MESSAGE_LEN];
+    onig_error_code_to_str((UChar* )s, r, &einfo);
+    fprintf(stderr, "ERROR: %s\n", s);
+    return -1;
+  }
+
+  region = onig_region_new();
+
+  end   = str + strlen((char* )str);
+  start = str;
+  range = end;
+  mp = onig_new_match_param();
+  if (mp == 0) return -2;
+
+  user_data = (void* )0x1234;
+  onig_set_callout_user_data_of_match_param(mp, user_data);
+
+  r = onig_search_with_param(reg, str, end, start, range, region,
+                             runtime_options, mp);
+  onig_free_match_param(mp);
+  if (r >= 0) {
+    /* If ONIG_OPTION_CALLBACK_EACH_MATCH is used with
+       ONIG_OPTION_FIND_LONGEST, it may also return positive value. */
+    fprintf(stdout, "\nr: %d\n", r);
+  }
+  else if (r == ONIG_MISMATCH) {
+    /* always return ONIG_MISMATCH if ONIG_OPTION_CALLBACK_EACH_MATCH */
+    fprintf(stdout, "\n");
+  }
+  else { /* error */
+    char s[ONIG_MAX_ERROR_MESSAGE_LEN];
+    onig_error_code_to_str((UChar* )s, r);
+    fprintf(stderr, "ERROR: %s\n", s);
+    onig_region_free(region, 1 /* 1:free self, 0:free contents only */);
+    onig_free(reg);
+    onig_end();
+    return -1;
+  }
+
+  return 0;
+}
+
+static int
+match(UChar* pattern, UChar* str, UChar* at, OnigOptionType options, OnigOptionType runtime_options)
+{
+  int r;
+  unsigned char *start, *range, *end;
+  regex_t* reg;
+  OnigErrorInfo einfo;
+  OnigRegion *region;
+  OnigMatchParam* mp;
+  void* user_data;
+
+  r = onig_new(&reg, pattern, pattern + strlen((char* )pattern),
+               options, ONIG_ENCODING_ASCII, ONIG_SYNTAX_DEFAULT, &einfo);
+  if (r != ONIG_NORMAL) {
+    char s[ONIG_MAX_ERROR_MESSAGE_LEN];
+    onig_error_code_to_str((UChar* )s, r, &einfo);
+    fprintf(stderr, "ERROR: %s\n", s);
+    return -1;
+  }
+
+  region = onig_region_new();
+
+  end   = str + strlen((char* )str);
+  start = str;
+  range = end;
+  mp = onig_new_match_param();
+  if (mp == 0) return -2;
+
+  user_data = (void* )0x1234;
+  onig_set_callout_user_data_of_match_param(mp, user_data);
+
+  r = onig_match_with_param(reg, str, end, at, region, runtime_options, mp);
+  onig_free_match_param(mp);
+  if (r >= 0) {
+    /* If ONIG_OPTION_CALLBACK_EACH_MATCH is used with
+       ONIG_OPTION_FIND_LONGEST, it may also return positive value. */
+    fprintf(stdout, "\nr: %d\n", r);
+  }
+  else if (r == ONIG_MISMATCH) {
+    /* always return ONIG_MISMATCH if ONIG_OPTION_CALLBACK_EACH_MATCH */
+    fprintf(stdout, "\n");
+  }
+  else { /* error */
+    char s[ONIG_MAX_ERROR_MESSAGE_LEN];
+    onig_error_code_to_str((UChar* )s, r);
+    fprintf(stderr, "ERROR: %s\n", s);
+    onig_region_free(region, 1 /* 1:free self, 0:free contents only */);
+    onig_free(reg);
+    onig_end();
+    return -1;
+  }
+
+  return 0;
+}
+
+extern int main(int argc, char* argv[])
+{
+  OnigEncoding use_encs[1];
+
+  static UChar* pattern = (UChar* )"a(.*)\\Kb|[e-f]+";
+  static UChar* str     = (UChar* )"zzzzafffb";
+
+  use_encs[0] = ONIG_ENCODING_ASCII;
+  onig_initialize(use_encs, sizeof(use_encs)/sizeof(use_encs[0]));
+  onig_set_callback_each_match(each_match_callback);
+
+  fprintf(stdout, "<search>\n");
+  search(pattern, str, ONIG_OPTION_NONE, ONIG_OPTION_CALLBACK_EACH_MATCH);
+  fprintf(stdout, "<search with FIND_LONGEST>\n");
+  search(pattern, str, ONIG_OPTION_FIND_LONGEST, ONIG_OPTION_CALLBACK_EACH_MATCH);
+
+  fprintf(stdout, "<match>\n");
+  match(pattern, str, str + 5, ONIG_OPTION_NONE, ONIG_OPTION_CALLBACK_EACH_MATCH);
+
+  onig_end();
+  return 0;
+}