Initial commit

Still getting Config and argument parsing setup.

src/config.rs

@@ -0,0 +1,30 @@
+extern crate clap;
+use clap::{Arg, App};
+
+#[derive(Debug)]
+pub struct Config {
+    pub pattern: String,
+    pub ignore_case: bool
+}
+
+impl Config {
+    pub fn from_args() -> Config {
+        let matches = App::new("Rack")
+            .version("0.1")
+            .about("Like Ack but in Rust")
+            .arg(Arg::with_name("ignore case")
+                .short("i")
+                .help("Ignore case when looking for matches"))
+            .arg(Arg::with_name("pattern")
+                .help("The pattern you're looking for")
+                .index(1)
+                .required(true))
+            .get_matches();
+
+        Config {
+            pattern: String::from(matches.value_of("pattern").unwrap()),
+            ignore_case: matches.is_present("ignore case")
+        }
+    }
+}
+