begin multi-driver page client implementation

src/app/browser/window/tab/item/client/feature.rs

@@ -0,0 +1,42 @@
+// Feature conversion prefixes
+const DOWNLOAD: &str = "download:";
+const SOURCE: &str = "source:";
+
+/// Feature wrapper for client `Request`
+#[derive(Default)]
+pub enum Feature {
+    #[default]
+    Default,
+    Download,
+    Source,
+    // @TODO System(Action)
+}
+
+impl Feature {
+    // Constructors
+
+    /// Parse new `Self` from navigation entry request
+    pub fn parse(request: &str) -> (Self, &str) {
+        if let Some(postfix) = request.strip_prefix(DOWNLOAD) {
+            return (Self::Download, postfix);
+        }
+
+        if let Some(postfix) = request.strip_prefix(SOURCE) {
+            return (Self::Source, postfix);
+        }
+
+        (Self::Default, request)
+    }
+
+    // Getters
+
+    /* @TODO not in use
+    /// Get `Self` as prefix
+    pub fn as_prefix(&self) -> Option<&str> {
+        match self {
+            Self::Download => Some(DOWNLOAD),
+            Self::Source => Some(SOURCE),
+            Self::Default => None,
+        }
+    }*/
+}