src/helpers.rs in faster_path-0.2.4 vs src/helpers.rs in faster_path-0.2.5

@@ -1,13 +1,63 @@
-use ruru::{RString, Object, Class};
+use ruru::{RString, Object, Class, AnyObject};
+use pathname::Pathname;
 
-pub fn new_pathname_instance(path: &str) -> Class {
-  let mut path_instance = Class::from(
-    Class::from_existing("Pathname").send("allocate", None).value()
-  );
-  path_instance.instance_variable_set(
-    "@path",
-    RString::new(path).to_any_object()
-  );
+pub fn anyobject_to_string(item: AnyObject) -> Result<String, RubyDebugInfo> {
+  let result = &item;
+  if Class::from_existing("String").case_equals(result) {
+    return Ok(RString::from(result.value()).to_string())
+  }
+  
+  if Class::from_existing("Pathname").case_equals(result) {
+    return Ok(result.instance_variable_get("@path").
+      try_convert_to::<RString>().
+      unwrap_or(RString::new("")).
+      to_string())
+  }
+  
+  if result.respond_to("to_path") {
+    return Ok(Class::from(result.send("to_path", None).value()).
+      instance_variable_get("@path").
+      try_convert_to::<RString>().
+      unwrap_or(RString::new("")).
+      to_string())
+  }
 
-  path_instance
+  Ok(RString::from(result.send("to_s", None).value()).to_string())
+}
+
+#[allow(dead_code)]
+pub fn into_pathname(itself: AnyObject) -> Result<AnyObject, RubyDebugInfo> {
+  if Class::from_existing("String").case_equals(&itself) {
+    Ok(Pathname::new(
+        &RString::from(itself.value()).to_string()
+    ).to_any_object())
+  } else if Class::from_existing("Pathname").case_equals(&itself) {
+    Ok(itself)
+  } else {
+    Err(RubyDebugInfo::from(itself))
+  }
+}
+
+#[derive(Debug)]
+pub struct RubyDebugInfo {
+  object_id: String,
+  class: String,
+  inspect: String,
+}
+
+impl From<AnyObject> for RubyDebugInfo {
+  fn from(ao: AnyObject) -> Self {
+    let object_id = ao.send("object_id", None).send("to_s", None).
+      try_convert_to::<RString>().unwrap_or(RString::new("Failed to get object_id!")).to_string();
+    let class = ao.send("class", None).send("to_s", None).
+      try_convert_to::<RString>().unwrap_or(RString::new("Failed to get class!")).to_string();
+    let inspect = ao.send("inspect", None).
+      try_convert_to::<RString>().unwrap_or(RString::new("Failed to get inspect!")).to_string();
+
+    RubyDebugInfo {
+      object_id: object_id,
+      class: class,
+      inspect: inspect,
+    }
+  }
 }