better command line parsing

1 files changed, 28 insertions, 0 deletions

diff --git a/src/cli.rs b/src/cli.rs
new file mode 100644
index 0000000..4e1d7cb
--- /dev/null
+++ b/src/cli.rs
@@ -0,0 +1,28 @@
+use clap;
+
+const _DUMMY_DEPENDENCY: &'static str = include_str!("../Cargo.toml");
+
+pub struct Options {
+    pub username: String,
+    pub api_key: String,
+}
+
+pub fn get_options() -> Options {
+    let matches = app_from_crate!()
+        .arg(
+            clap::Arg::with_name("username")
+                .required(true)
+                .help("last.fm username to fetch tracks for")
+        )
+        .arg(
+            clap::Arg::with_name("api_key")
+                .required(true)
+                .help("last.fm api key")
+        )
+        .get_matches();
+
+    Options {
+        username: matches.value_of("username").unwrap().to_string(),
+        api_key: matches.value_of("api_key").unwrap().to_string(),
+    }
+}