summaryrefslogtreecommitdiff
path: root/sample/names.c
diff options
context:
space:
mode:
authorJörg Frings-Fürst <debian@jff-webhosting.net>2014-08-12 21:06:31 +0200
committerJörg Frings-Fürst <debian@jff-webhosting.net>2014-08-12 21:06:31 +0200
commit0dbf3761f6b98e5c16c9bfa0306ae5d3257d081f (patch)
treeb122da5e29b81eb5489734f477afb645422980d0 /sample/names.c
Imported Upstream version 5.9.5upstream/5.9.5
Diffstat (limited to 'sample/names.c')
-rw-r--r--sample/names.c72
1 files changed, 72 insertions, 0 deletions
diff --git a/sample/names.c b/sample/names.c
new file mode 100644
index 0000000..6667eb5
--- /dev/null
+++ b/sample/names.c
@@ -0,0 +1,72 @@
+/*
+ * names.c -- example of group name callback.
+ */
+#include <stdio.h>
+#include <string.h>
+#include "oniguruma.h"
+
+static int
+name_callback(const UChar* name, const UChar* name_end,
+ int ngroup_num, int* group_nums,
+ regex_t* reg, void* arg)
+{
+ int i, gn, ref;
+ char* s;
+ OnigRegion *region = (OnigRegion* )arg;
+
+ for (i = 0; i < ngroup_num; i++) {
+ gn = group_nums[i];
+ ref = onig_name_to_backref_number(reg, name, name_end, region);
+ s = (ref == gn ? "*" : "");
+ fprintf(stderr, "%s (%d): ", name, gn);
+ fprintf(stderr, "(%d-%d) %s\n", region->beg[gn], region->end[gn], s);
+ }
+ return 0; /* 0: continue */
+}
+
+extern int main(int argc, char* argv[])
+{
+ int r;
+ unsigned char *start, *range, *end;
+ regex_t* reg;
+ OnigErrorInfo einfo;
+ OnigRegion *region;
+
+ static UChar* pattern = (UChar* )"(?<foo>a*)(?<bar>b*)(?<foo>c*)";
+ static UChar* str = (UChar* )"aaabbbbcc";
+
+ r = onig_new(&reg, pattern, pattern + strlen((char* )pattern),
+ ONIG_OPTION_DEFAULT, ONIG_ENCODING_ASCII, ONIG_SYNTAX_DEFAULT, &einfo);
+ if (r != ONIG_NORMAL) {
+ char s[ONIG_MAX_ERROR_MESSAGE_LEN];
+ onig_error_code_to_str(s, r, &einfo);
+ fprintf(stderr, "ERROR: %s\n", s);
+ return -1;
+ }
+
+ fprintf(stderr, "number of names: %d\n", onig_number_of_names(reg));
+
+ 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) {
+ fprintf(stderr, "match at %d\n\n", r);
+ r = onig_foreach_name(reg, name_callback, (void* )region);
+ }
+ else if (r == ONIG_MISMATCH) {
+ fprintf(stderr, "search fail\n");
+ }
+ else { /* error */
+ char s[ONIG_MAX_ERROR_MESSAGE_LEN];
+ onig_error_code_to_str(s, r);
+ return -1;
+ }
+
+ onig_region_free(region, 1 /* 1:free self, 0:free contents only */);
+ onig_free(reg);
+ onig_end();
+ return 0;
+}