Add section headings 👨‍🦲

Co-authored-by: Laurenz Mädje <laurmaedje@gmail.com>

1 files changed, 18 insertions, 7 deletions

diff --git a/src/syntax/tree.rs b/src/syntax/tree.rs
index 7295ec04..94dfc124 100644
--- a/src/syntax/tree.rs
+++ b/src/syntax/tree.rs
@@ -31,6 +31,8 @@ pub enum SyntaxNode {
     ToggleBolder,
     /// Plain text.
     Text(String),
+    /// Section headings.
+    Heading(Heading),
     /// Lines of raw text.
     Raw(Vec<String>),
     /// An optionally highlighted (multi-line) code block.
@@ -39,6 +41,22 @@ pub enum SyntaxNode {
     Call(CallExpr),
 }
 
+/// A section heading.
+#[derive(Debug, Clone, PartialEq)]
+pub struct Heading {
+    /// The section depth (how many hashtags minus 1).
+    pub level: Spanned<u8>,
+    pub tree: SyntaxTree,
+}
+
+/// A code block.
+#[derive(Debug, Clone, PartialEq)]
+pub struct Code {
+    pub lang: Option<Spanned<Ident>>,
+    pub lines: Vec<String>,
+    pub block: bool,
+}
+
 /// An expression.
 #[derive(Clone, PartialEq)]
 pub enum Expr {
@@ -197,10 +215,3 @@ impl CallExpr {
         }
     }
 }
-/// A code block.
-#[derive(Debug, Clone, PartialEq)]
-pub struct Code {
-    pub lang: Option<Spanned<Ident>>,
-    pub lines: Vec<String>,
-    pub block: bool,
-}