directive: start of deserialization

src/directive.rs

@@ -49,6 +49,58 @@ pub enum Type {
     Enum(Vec<String>),
 }
 
+// Serialized representation of directives.
+mod serial {
+    use serde::Deserialize;
+
+    #[derive(Deserialize)]
+    #[serde(rename_all = "snake_case", deny_unknown_fields)]
+    struct Document {
+        types: Vec<Type>,
+        directives: Vec<Directive>,
+    }
+
+    #[derive(Deserialize)]
+    #[serde(tag = "kind", rename_all = "snake_case", deny_unknown_fields)]
+    enum TypeKind {
+        Text,
+        Speech,
+        Character,
+        Duration,
+        Asset {
+            tags: Vec<String>,
+        },
+        Enum {
+            #[serde(rename = "enum")]
+            enm: Vec<String>,
+        },
+    }
+
+    #[derive(Deserialize)]
+    #[serde(rename_all = "snake_case", deny_unknown_fields)]
+    struct Type {
+        name: String,
+        doc: String,
+        kind: TypeKind,
+    }
+
+    #[derive(Deserialize)]
+    #[serde(rename_all = "snake_case", deny_unknown_fields)]
+    struct Directive {
+        name: String,
+        doc: String,
+        prefix: String,
+        prefix_param: Option<String>,
+        infix: Option<String>,
+        infix_param: Option<String>,
+        suffix: Option<String>,
+        suffix_param: Option<String>,
+        list_param: Option<String>,
+    }
+}
+
+static DIRECTIVE_PREDECLARED: &str = include_str!("directive-predeclared.json");
+
 #[cfg(test)]
 mod tests {
     use super::*;