diff --git a/src/core/mod.rs b/src/core/mod.rs
index b945e42..7330c06 100644
--- a/src/core/mod.rs
+++ b/src/core/mod.rs
@@ -1,3 +1,4 @@
+pub mod resource;
 pub mod client;
 pub mod eventloop;
 pub mod nodelist;
diff --git a/src/core/resource.rs b/src/core/resource.rs
new file mode 100644
index 0000000..f69032a
--- /dev/null
+++ b/src/core/resource.rs
@@ -0,0 +1,37 @@
+use std::path::PathBuf;
+
+pub type ResourceID = Box<dyn ResourceIDTrait + Send + Sync>;
+
+pub trait ResourceIDTrait {
+	fn get_file(&self, prefixes: &Vec<PathBuf>) -> Option<PathBuf>;
+}
+
+impl ResourceIDTrait for PathBuf {
+	fn get_file(&self, _prefixes: &Vec<PathBuf>) -> Option<PathBuf> {
+		if self.is_absolute() && self.as_path().exists() {
+			Some(self.clone())
+		} else {
+			None
+		}
+	}
+}
+
+pub struct NamespacedResourceID {
+	pub namespace: String,
+	pub path: PathBuf,
+}
+
+impl ResourceIDTrait for NamespacedResourceID {
+	fn get_file(&self, prefixes: &Vec<PathBuf>) -> Option<PathBuf> {
+		for prefix in prefixes {
+			let mut path = prefix.clone();
+			path.push(self.namespace.clone());
+			path.push(self.path.clone());
+
+			if path.as_path().exists() {
+				return Some(path);
+			}
+		}
+		None
+	}
+}