Add PoC CLI

README.md

@@ -48,7 +48,6 @@ Size | Encoding | Description
 
 ## To-do
 
-- [ ] write example CLI that pretty prints the fixture's contents
 - [ ] maybe add something (tests!?) that allows for better/easier debugging
 	- [ ] find out how to properly debug
 

examples/drumdump/.gitignore

+/target/
+**/*.rs.bk
+Cargo.lock

examples/drumdump/Cargo.toml

+[package]
+name = "drumdump"
+version = "0.1.0"
+authors = ["Phil <phil@grmr.de>"]
+
+[dependencies]
+nom = "3.2"
+
+[dependencies.drumchallenge]
+path = "../.."

examples/drumdump/src/main.rs

+extern crate drumchallenge;
+extern crate nom;
+
+use drumchallenge::parse;
+use nom::IResult;
+
+use std::io::prelude::*;
+use std::fs::File;
+
+use std::env;
+
+fn main() {
+    if let Some(arg1) = env::args().nth(1) {
+        let filepath = arg1;
+        let mut buf: Vec<u8> = vec![];
+        let mut file = File::open(filepath).expect("file exists");
+        let _ = file.read_to_end(&mut buf).expect("file can be read");
+
+        match parse(&buf[..]) {
+            IResult::Done(_, pattern) => {
+                println!("{}", pattern);
+            }
+            e => {
+                panic!("something went wrong. {:?}", e);
+            }
+        }
+    } else {
+        println!("please provide a filename");
+    }
+}

src/lib.rs

 #[macro_use]
 extern crate nom;
 
-pub mod parser;
+mod parser;
 mod tests;
 
+pub use parser::parse;
+
 use std::fmt;
 
 #[derive(Debug)]