initial commit

src/id_store.rs

@@ -0,0 +1 @@
+

src/main.rs

@@ -0,0 +1,7 @@
+mod parser;
+mod pm3;
+mod id_store;
+
+fn main() {
+    pm3::RunPm3().unwrap();
+}

src/parser.rs

@@ -0,0 +1,8 @@
+use regex::Regex;
+
+pub fn ParseLine(line: &str) -> Option<String> {
+    let regex = Regex::new(r"(?m)^\[\+\] UID.... (.*)$").unwrap();
+    let result = regex.captures(line);
+
+    result.map(|c| c.get(1).unwrap().as_str().to_owned())
+}

src/pm3.rs

@@ -0,0 +1,34 @@
+use std::error::Error;
+use std::process::{Command, Stdio};
+use std::io::{self, BufRead};
+
+pub fn RunPm3() -> Result<(), Box<dyn Error>> {
+    let mut cmd = Command::new("stdbuf")
+        .arg("-oL")
+        .arg("pm3")
+        .arg("-c")
+        .arg("lf hitag reader -@")
+        .stdout(Stdio::piped())
+        .spawn()?;
+
+    let stdout = cmd.stdout.take().ok_or("Failed to get stdout")?;
+    let reader = io::BufReader::new(stdout);
+
+    for line_result in reader.lines() {
+        match line_result {
+            Ok(line) => {
+                let parse_result = super::parser::ParseLine(&line);
+                if let Some(uid) = parse_result {
+                    println!("UID: {}",uid);
+                }
+            }
+            Err(e) => {
+                eprintln!("{}",e);
+            }
+        }
+    }
+
+    let status = cmd.wait().expect("Failed to wait on child");
+
+    Ok(())
+}