From a792acf4b0892f2df5be855d4bf719397a1a0590 Mon Sep 17 00:00:00 2001
From: Tom Alexander <tom@fizz.buzz>
Date: Thu, 24 Nov 2022 15:14:53 -0500
Subject: [PATCH] Constructing a context.

---
 src/parser/nom_context.rs | 6 +++---
 src/parser/text.rs        | 7 +++++++
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/src/parser/nom_context.rs b/src/parser/nom_context.rs
index 41a3fbd9..c772a53e 100644
--- a/src/parser/nom_context.rs
+++ b/src/parser/nom_context.rs
@@ -36,11 +36,11 @@ impl<'r, T> ContextTree<'r, T> {
     }
 }
 
-struct ContextElement<'r> {
-    fail_matcher: ChainBehavior<'r>,
+pub struct ContextElement<'r> {
+    pub fail_matcher: ChainBehavior<'r>,
 }
 
-enum ChainBehavior<'r> {
+pub enum ChainBehavior<'r> {
     AndParent(Option<&'r Matcher>),
     IgnoreParent(Option<&'r Matcher>),
 }
diff --git a/src/parser/text.rs b/src/parser/text.rs
index f9b7f8a7..fac8c8e5 100644
--- a/src/parser/text.rs
+++ b/src/parser/text.rs
@@ -26,6 +26,9 @@ use nom::multi::many_till;
 use nom::sequence::tuple;
 use nom::IResult;
 
+use super::nom_context::ChainBehavior;
+use super::nom_context::ContextElement;
+use super::nom_context::ContextTree;
 use super::parser_with_context::parser_with_context;
 use super::text_element_parser::paragraph;
 
@@ -136,6 +139,10 @@ pub fn paragraph_end(input: &str) -> Res<&str, &str> {
 }
 
 pub fn document(input: &str) -> Res<&str, Vec<(Vec<TextElement>, &str)>> {
+    let initial_context = ContextTree::new();
+    let paragraph_context = initial_context.with_additional_node(ContextElement {
+        fail_matcher: ChainBehavior::AndParent(Some(&paragraph_end)),
+    });
     // let initial_context = TestContext::new();
     // let paragraph_context = initial_context;
     // let paragraph_context =