Add mdx expression (flow, text)

1 files changed, 34 insertions, 0 deletions

diff --git a/src/construct/mdx_expression_text.rs b/src/construct/mdx_expression_text.rs
new file mode 100644
index 0000000..8d061eb
--- /dev/null
+++ b/src/construct/mdx_expression_text.rs
@@ -0,0 +1,34 @@
+//! To do.
+
+use crate::event::Name;
+use crate::state::{Name as StateName, State};
+use crate::tokenizer::Tokenizer;
+
+/// Start of MDX: expression (text).
+///
+/// ```markdown
+/// > | a {Math.PI} c
+///       ^
+/// ```
+pub fn start(tokenizer: &mut Tokenizer) -> State {
+    if Some(b'{') == tokenizer.current
+        && tokenizer.parse_state.options.constructs.mdx_expression_text
+    {
+        tokenizer.tokenize_state.token_1 = Name::MdxTextExpression;
+        tokenizer.attempt(State::Next(StateName::MdxExpressionTextAfter), State::Nok);
+        State::Retry(StateName::MdxExpressionStart)
+    } else {
+        State::Nok
+    }
+}
+
+/// After an MDX expression (text) tag.
+///
+/// ```markdown
+/// > | a {Math.PI} c
+///                ^
+/// ```
+pub fn after(tokenizer: &mut Tokenizer) -> State {
+    tokenizer.tokenize_state.token_1 = Name::Data;
+    State::Ok
+}