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authorJörg Frings-Fürst <debian@jff.email>2021-04-26 22:25:42 +0200
committerJörg Frings-Fürst <debian@jff.email>2021-04-26 22:25:42 +0200
commit5d5f76cad47d13dc0dd4328c2172ddc1d4b19d7b (patch)
treecd59a8ea003d6768af284fc913353983e2794a58 /sample/callback_each_match.c
parenteac65ba44805c402f894b700b602c2e891f92a84 (diff)
parent96b0c9871630512ec2c2e84072da0085d68d740f (diff)
Merge branch 'release/debian/6.9.7.1-1'debian/6.9.7.1-1
Diffstat (limited to 'sample/callback_each_match.c')
-rw-r--r--sample/callback_each_match.c168
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;
+}