Handle quantifiers in parse_term()

This commit is contained in:
2024-10-25 14:59:24 +01:00
parent 80a26997b8
commit 40db26a62d
2 changed files with 63 additions and 1 deletions

View File

@@ -18,6 +18,9 @@ static bool is_special(char c)
case '\\':
case '(':
case ')':
case '*':
case '+':
case '?':
return true;
default:
return false;
@@ -67,7 +70,24 @@ static int parse_term(const char *input, int rem, term_t *out)
used += result;
}
out->quantifier = QUANTIFIER_NONE;
if (used < rem) {
switch (input[used]) {
case '*':
out->quantifier = QUANTIFIER_ZERO_OR_MORE;
++used;
break;
case '+':
out->quantifier = QUANTIFIER_ONE_OR_MORE;
++used;
break;
case '?':
out->quantifier = QUANTIFIER_ZERO_OR_ONE;
++used;
break;
default:
out->quantifier = QUANTIFIER_NONE;
}
}
return used;
}