add command parsing

imag-todo/src/main.rs

@@ -20,5 +20,48 @@ mod ui;
 use ui::build_ui;
 
 fn main() {
-    println!("Hello, world!");
+    let name = "imag-todo";
+    let version = &version!()[..];
+    let about = "Interface with taskwarrior";
+    let ui = build_ui(Runtime::get_default_cli_builder(name, version, about));
+    let rt = {
+        let rt = Runtime::new(ui);
+        if rt.is_ok() {
+            rt.unwrap()
+        } else {
+            println!("Could not set up Runtime");
+            println!("{:?}", rt.unwrap_err());
+            exit(1);
+        }
+    };
+
+    let scmd = rt.cli().subcommand_name();
+    match scmd {
+        Some("tw-hook") => {
+            let subcmd = rt.cli().subcommand_matches("tw-hook").unwrap();
+            if subcmd.is_present("add") {
+                println!("To be implemented");
+                //
+                // TODO @Kevin: import function aus task_hookrs benutzen, um
+                //              stdin auszulesen, und dann auf dem
+                //              task_hookrs::task::Task den Trait für die
+                //              Umwandlung aufrufen.
+                //
+            }
+            else if subcmd.is_present("delete") {
+                println!("To be implemented");
+                //
+                // Functionality to delete Entry in the store
+                //
+            }
+            else {
+                // Should not be possible, as one argument is required via
+                // ArgGroup
+                panic!("Reached unreachable Code");
+            }
+        },
+        Some("exec") => {
+        },
+        _ => println!("Nothing implemented yet"),
+    }
 }