move contents of taskchampion repo to tc/

rust/cli/src/argparse/args/misc.rs

@@ -0,0 +1,42 @@
+use nom::bytes::complete::tag as nomtag;
+use nom::{character::complete::*, combinator::*, sequence::*, IResult};
+
+/// Recognizes any argument
+pub(crate) fn any(input: &str) -> IResult<&str, &str> {
+    rest(input)
+}
+
+/// Recognizes a report name
+pub(crate) fn report_name(input: &str) -> IResult<&str, &str> {
+    all_consuming(recognize(pair(alpha1, alphanumeric0)))(input)
+}
+
+/// Recognizes a literal string
+pub(crate) fn literal(literal: &'static str) -> impl Fn(&str) -> IResult<&str, &str> {
+    move |input: &str| all_consuming(nomtag(literal))(input)
+}
+
+#[cfg(test)]
+mod test {
+    use super::super::*;
+    use super::*;
+    use pretty_assertions::assert_eq;
+
+    #[test]
+    fn test_arg_matching() {
+        assert_eq!(
+            arg_matching(plus_tag)(argv!["+foo", "bar"]).unwrap(),
+            (argv!["bar"], tag!("foo"))
+        );
+        assert!(arg_matching(plus_tag)(argv!["foo", "bar"]).is_err());
+    }
+
+    #[test]
+    fn test_literal() {
+        assert_eq!(literal("list")("list").unwrap().1, "list");
+        assert!(literal("list")("listicle").is_err());
+        assert!(literal("list")(" list ").is_err());
+        assert!(literal("list")("LiSt").is_err());
+        assert!(literal("list")("denylist").is_err());
+    }
+}