int
zrex_test (bool verbose)
{
printf (" * zrex: ");
zrex_t *rex = zrex_new ("");
assert (rex);
assert (!zrex_valid (rex));
if (verbose)
puts (zrex_strerror (rex));
zrex_destroy (&rex);
// This shows the pattern of matching many lines to a single pattern
rex = zrex_new ("[0-9]+\\-[0-9]+\\-[0-9]+");
assert (rex);
int hits = zrex_hits (rex, "123-456-789");
assert (hits == 1);
assert (streq (zrex_hit (rex, 0), "123-456-789"));
assert (zrex_hit (rex, 1) == NULL);
zrex_destroy (&rex);
// Here we pick out hits using capture groups
rex = zrex_new ("([0-9]+)\\-([0-9]+)\\-([0-9]+)");
assert (rex);
assert (zrex_valid (rex));
hits = zrex_hits (rex, "123-456-ABC");
assert (hits == 0);
hits = zrex_hits (rex, "123-456-789");
assert (hits == 4);
assert (streq (zrex_hit (rex, 0), "123-456-789"));
assert (streq (zrex_hit (rex, 1), "123"));
assert (streq (zrex_hit (rex, 2), "456"));
assert (streq (zrex_hit (rex, 3), "789"));
zrex_destroy (&rex);
// This shows the pattern of matching one line against many
// patterns and then handling the case when it hits
rex = zrex_new (NULL); // No initial pattern
char *input = "Mechanism: CURVE";
if (zrex_eq (rex, input, "Version: (.+)"))
assert (false);
else
if (zrex_eq (rex, input, "Mechanism: (.+)"))
assert (streq (zrex_hit (rex, 1), "CURVE"));
zrex_destroy (&rex);
printf ("OK\n");
return 0;
}
int
main (int argc, char **argv)
{
if (argc < 2) {
zsys_warning ("Need argument");
zsys_info ("usage: %s <regex>", argv [0]);
return EXIT_FAILURE;
}
zrex_t *regex = zrex_new (argv [1]);
if (!regex) {
zsys_error ("zrex_new () failed.");
return EXIT_FAILURE;
}
if (!zrex_valid (regex)) {
zsys_error ("regex not valid: %s", zrex_strerror (regex));
return EXIT_FAILURE;
}
zsys_info ("zrex valid");
return EXIT_SUCCESS;
}