Extract context-specific parsing to a separate module

src/syntax/content/parser/context.rs

@@ -0,0 +1,40 @@
+use crate::syntax::content::parser::{
+    token::{Token, paragraph::Paragraph, preformat::PreFormat},
+    State,
+};
+
+pub mod anchor;
+
+pub struct Context {
+    pub block: Block,
+    pub inline: Inline,
+}
+
+pub enum Block {
+    Paragraph,
+    Header(u8),
+    PreFormat,
+    None,
+}
+
+pub enum Inline {
+    Anchor,
+    Code,
+    Oblique,
+    None,
+}
+
+/// # Panics
+/// Panics if there is an open header at end of input.
+pub fn close(state: &State, tokens: &mut Vec<Token>) {
+    match state.context.block {
+        Block::PreFormat => {
+            tokens.push(Token::PreFormat(PreFormat::new(false)));
+        },
+        Block::Paragraph => {
+            tokens.push(Token::Paragraph(Paragraph::new(false)));
+        },
+        Block::Header(_) => panic!("End of input with open header"),
+        Block::None => (),
+    }
+}