Init task1. Began the parse()-function.

hw9/task1/Cargo.toml

@@ -0,0 +1,6 @@
+[package]
+name = "task1"
+version = "0.1.0"
+authors = ["Lorenz Bung <lorenz.bung@googlemail.com>"]
+
+[dependencies]

hw9/task1/src/lib.rs

@@ -0,0 +1,40 @@
+pub fn parse(message: &str) -> Command {
+    let m : String = String::from(message);
+    let mut s = m.split_whitespace();
+    match s.next() {
+        Some("STAGE") => {
+            let msg = m[6..].trim_left();
+
+            /* let mut msg = String::new();
+            while let Some(sub_msg) = s.next() {
+                msg += " ";
+                msg += sub_msg
+            }*/
+            Command::Stage(msg)
+        }
+        Some("CONTROL") => {
+            let cmd = m[8..].trim_left();
+
+            /*let mut cmd = String::new();
+            while let Some(sub_cmd) = s.next() {
+                cmd += " ";
+                cmd += sub_cmd
+            }*/
+            Command::Control(&cmd)
+        }
+        Some("RETRIEVE") => {
+            Command::Retrieve
+        }
+        Some(_) => {
+            Command::Error
+        }
+        None => panic!("Parse Error")
+    }
+}
+
+pub enum Command {
+    Stage(String),
+    Control(String),
+    Retrieve,
+    Error,
+}