add: text hook

Author: momeemt

src/lib.rs

@@ -3,16 +3,19 @@ use brack_pdk_rs::metadata::Metadata;
 use document::metadata_document;
 use extism_pdk::{plugin_fn, FnResult, Json};
 use stmt::metadata_stmt;
+use text::metadata_text;
 
 pub mod document;
 pub mod bold;
 pub mod stmt;
+pub mod text;
 
 #[plugin_fn]
 pub fn get_metadata() -> FnResult<Json<Vec<Metadata>>> {
     let mut metadata = Vec::new();
     metadata.push(metadata_bold());
     metadata.push(metadata_document());
     metadata.push(metadata_stmt());
+    metadata.push(metadata_text());
     Ok(Json(metadata))
 }

src/text.rs

@@ -0,0 +1,28 @@
+use brack_pdk_rs::{metadata::Metadata, types::Type, values::Value};
+use extism_pdk::{plugin_fn, FnResult, Json, WithReturnCode};
+
+pub(crate) fn metadata_text() -> Metadata {
+    Metadata {
+        command_name: "text".to_string(),
+        call_name: "text".to_string(),
+        argument_types: vec![("text".to_string(), Type::TInline)],
+        return_type: Type::TInline,
+    }
+}
+
+#[plugin_fn]
+pub fn text(Json(args): Json<Vec<Value>>) -> FnResult<String> {
+    if args.len() != 1 {
+        return Err(WithReturnCode::new(anyhow::anyhow!("text failed"), 1));
+    }
+    let text = match &args[0] {
+        Value::Text(t) => t,
+        _ => {
+            return Err(WithReturnCode::new(
+                anyhow::anyhow!("text must be Value::Text"),
+                1,
+            ))
+        }
+    };
+    Ok(format!("{{\"t\": \"Str\", \"c\": \"{}\"}}", text))
+}