placed config into a function

src/gopherbridge.rs

@@ -1,2 +0,0 @@
-//! # Gopherbridge - A Bridge to display content form different sources in gopher
-//! This module lists all sub modules

src/main.rs

@@ -1,9 +1,33 @@
 extern crate clap;
 
-use clap::{App, Arg};
+use clap::{App, Arg, ArgMatches};
 
+/**
+ * Initiates an instance of the gopherbridge server and
+ * starts listening for connections on the given port.
+ */
 fn main() {
-    let matches = App::new("gopherbridge")
+    let matches = parse_command_line();
+    let pluginlist = matches.value_of("PLUGIN");
+    let port = matches.value_of("PORT");
+
+    match port {
+        None => println!("Default port 70 used"),
+        Some(p) => println!("Using port {}", p),
+    }
+
+    match pluginlist {
+        None => println!("No plugins given"),
+        Some(p) => println!("Loading the following plugins: {}", p),
+    }
+}
+
+/**
+ * Defines the command line parameters passed to the server and creates the
+ * server lines
+ */
+fn parse_command_line<'a>() -> ArgMatches<'a> {
+    App::new("gopherbridge")
         .version("0.1")
         .author("jali@orca-central.de")
         .about("a simple modular gopher server, that pushes converted web-content to a client")
@@ -27,20 +51,7 @@ fn main() {
                 .short("p")
                 .long("port")
                 .help("Specifies the port the server listens on. Default is 70")
-                .takes_value(false),
+                .takes_value(true),
         )
-        .get_matches();
-
-    let pluginlist = matches.value_of("PLUGIN");
-    let port = matches.value_of("PORT");
-
-    match port {
-        None => println!("Default port 70 used"),
-        Some(p) => println!("Using port {}", p),
-    }
-
-    match pluginlist {
-        None => println!("No plugins given"),
-        Some(p) => println!("Loading the following plugins: {}", p),
-    }
+        .get_matches()
 }