Add logging.

Cargo.toml

@@ -8,7 +8,10 @@ edition = "2021"
 [dependencies]
 anyhow = "1.0.75"
 byteorder = "1.5.0"
+clap = { version = "4.4.6", features = ["derive"] }
+env_logger = "0.10.0"
 futures = "0.3.28"
+log = "0.4.20"
 rust_lisp = { git = "https://github.com/brundonsmith/rust_lisp.git", branch = "arc-feature-addition", features = ["arc"] }
 serde = { version = "1.0.188", features = ["std", "derive", "serde_derive"] }
 serde_json = "1.0.107"

src/config.rs

@@ -1,3 +1,4 @@
+use std::fmt::{Display, Formatter};
 use serde::{Serialize, Deserialize, Serializer, Deserializer};
 use rust_lisp::model::Value as RValue;
 
@@ -18,6 +19,18 @@ impl Into<Vec<RValue>> for Value {
     }
 }
 
+impl Display for Value {
+    fn fmt(&self, f: &mut Formatter) -> std::fmt::Result {
+        let mut s = String::new();
+        s.push_str("(begin\n");
+        for i in &self.0 {
+            s.push_str(&format!("{}\n", i));
+        }
+        s.push_str(")");
+        write!(f, "{}", &s)
+    }
+}
+
 impl<'de> Deserialize<'de> for Value {
     fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
     where
@@ -29,7 +42,6 @@ impl<'de> Deserialize<'de> for Value {
     }
 }
 
-
 #[derive(Clone, Debug)]
 #[derive(Deserialize)]
 pub struct Program {

src/main.rs

@@ -1,6 +1,8 @@
 use anyhow::Result;
 use tokio::time::{timeout, Duration};
 use tokio::io::AsyncReadExt;
+use clap::Parser;
+use log::{info, debug, warn};
 
 mod config;
 mod i3ipc;
@@ -9,25 +11,35 @@ mod lisp;
 use config::Config;
 use i3ipc::{Connection, MessageType};
 
+
+#[derive(Debug, Clone)]
+#[derive(Parser)]
+#[command(author, version, about, long_about = None)]
+struct Args {
+}
+
 fn new_window_cb(
     b: MessageType,
     c: serde_json::Value,
     config: &Config,
+    args: &Args,
 ) -> futures::future::BoxFuture<'static, Vec<(MessageType, Vec<u8>)>> {
     let config_ = config.clone();
     Box::pin(async move {
+        debug!("Received window event: {}", &c);
         for p in config_.programs.iter() {
+            debug!("Evaluating program: {}", &p.match_);
             let e = lisp::env(&c);
             let init: Vec<rust_lisp::model::Value> = config_.init.clone().into();
             let prog: Vec<rust_lisp::model::Value> = p.match_.clone().into();
             let m = init.into_iter().chain(prog.into_iter());
             let result = rust_lisp::interpreter::eval_block(rust_lisp::model::reference::new(e), m);
-            println!("{:?}", result);
             if let Ok(rust_lisp::model::Value::True) = result {
+                debug!("Match found");
                 return vec![(MessageType::Command, p.cmd.clone().into_bytes())];
             }
         }
-
+        debug!("No match found");
         Vec::new()
     })
 }
@@ -47,6 +59,8 @@ async fn run<'a>(connection: &mut Connection<'a>, config: &Config) -> Result<(),
 
 #[tokio::main]
 async fn main() -> Result<()> {
+    let args = std::sync::Arc::new(Args::parse());
+    env_logger::init_from_env(env_logger::Env::new().filter("I3TOOLWAIT_LOG").write_style("I3TOOLWAIT_LOG_STYLE"));
     let mut connection = Connection::connect((i3ipc::get_socket_path().await?).as_ref())?;
     let mut sub_connection = connection.clone();
 
@@ -56,7 +70,8 @@ async fn main() -> Result<()> {
     let config = std::sync::Arc::new(config);
 
     let cb_config = config.clone();
-    let cb = move |a, b| {new_window_cb(a, b, &cb_config)};
+    let cb_args = args.clone();
+    let cb = move |a, b| {new_window_cb(a, b, &cb_config, &cb_args)};
     sub_connection
         .subscribe(&[MessageType::SubWindow], &cb)
         .await?;