From f84fa0987157839ae4b7896f750bbc159038e674 Mon Sep 17 00:00:00 2001
From: Tom Alexander <tom@fizz.buzz>
Date: Thu, 24 Nov 2022 16:24:49 -0500
Subject: [PATCH] Match fail logic implemented.

---
 src/parser/nom_context.rs | 30 ++++++++++++++++++++++++------
 1 file changed, 24 insertions(+), 6 deletions(-)

diff --git a/src/parser/nom_context.rs b/src/parser/nom_context.rs
index 2e20a56..78a1806 100644
--- a/src/parser/nom_context.rs
+++ b/src/parser/nom_context.rs
@@ -2,7 +2,11 @@ use std::cell::RefCell;
 use std::rc::Rc;
 
 use nom::branch::alt;
+use nom::bytes::complete::take;
 use nom::combinator::not;
+use nom::error::ContextError;
+use nom::error::ErrorKind;
+use nom::error::ParseError;
 use nom::error::VerboseError;
 use nom::IResult;
 use nom::Parser;
@@ -65,20 +69,34 @@ impl<'r> OrgModeContextTree<'r> for OrgModeContext<'r> {
     fn match_fail<'s>(&'r self, i: &'s str) -> IResult<&'s str, &'s str, VerboseError<&'s str>> {
         let mut current_node = self.head.as_ref();
         while current_node.is_some() {
-            let current_node_unwrapped = current_node.as_ref().expect("while loop asserts current_node is some.");
+            let current_node_unwrapped = current_node
+                .as_ref()
+                .expect("while loop asserts current_node is some.");
             match current_node_unwrapped.elem.fail_matcher {
                 ChainBehavior::AndParent(Some(matcher)) => {
                     let local_result = matcher(i);
                     if local_result.is_ok() {
                         return local_result;
                     }
-                },
-                ChainBehavior::AndParent(None) => {},
-                ChainBehavior::IgnoreParent(Some(matcher)) => todo!(),
-                ChainBehavior::IgnoreParent(None) => todo!(),
+                }
+                ChainBehavior::AndParent(None) => {}
+                ChainBehavior::IgnoreParent(Some(matcher)) => {
+                    let local_result = matcher(i);
+                    if local_result.is_ok() {
+                        return local_result;
+                    }
+                    // TODO: Make this a custom error
+                    not(take(0usize))(i)?;
+                }
+                ChainBehavior::IgnoreParent(None) => {
+                    // TODO: Make this a custom error
+                    not(take(0usize))(i)?;
+                }
             };
             current_node = current_node.map(|current_head| current_head.next).flatten();
         }
-        todo!()
+        // TODO: Make this a custom error
+        not(take(0usize))(i)?;
+        unreachable!()
     }
 }