Folder to host as optional argument

README.md

@@ -2,7 +2,26 @@
 
 [![build](https://github.com/Leinnan/lwa_simple_server/actions/workflows/rust.yml/badge.svg)](https://github.com/Leinnan/lwa_simple_server/actions/workflows/rust.yml)
 
-Simple server made with hosting locally webgl games in mind.
+```
+Simple server made with hosting locally webgl games in mind
+
+Usage: lwa_simple_server [OPTIONS] [FOLDER_TO_HOST]
+
+Arguments:
+  [FOLDER_TO_HOST]  Folder to host, current by default
+
+Options:
+      --ssl
+          Should use SSL, false by default
+  -a, --address <ADDRESS>
+          Specifies hosting address, "localhost:8080" by default
+  -c, --certificates-folder <CERTIFICATES_FOLDER>
+
+  -h, --help
+          Print help
+  -V, --version
+          Print version
+```
 
 It makes testing Unity webgl games easy, even allows connecting with different domains(less CORS issues during tests).
 
@@ -28,7 +47,7 @@ To start run it in folder that should be root folder of hosted site:
 
 ```bash
 cd desired/folder
-lwa_simple_server "folder_to_host"
+lwa_simple_server "folder_to_host/current_by_default"
 ```
 
 

src/app.rs

@@ -5,8 +5,8 @@ use std::path::PathBuf;
 #[derive(Debug, Parser, Clone)]
 #[command(name = "lwa_simple_server", version = "0.1.0", author = "Mev Lyshkin")]
 pub struct SimpleServer {
-    /// Folder to host
-    pub folder_to_host: String,
+    /// Folder to host, current by default
+    pub folder_to_host: Option<PathBuf>,
     /// Should use SSL, false by default
     #[arg(long)]
     pub ssl: bool,
@@ -19,6 +19,13 @@ pub struct SimpleServer {
 }
 
 impl SimpleServer {
+    pub fn get_folder_to_host(&self) -> PathBuf {
+        if self.folder_to_host.is_some() {
+            self.folder_to_host.clone().unwrap()
+        } else {
+            PathBuf::from(".")
+        }
+    }
     pub fn get_address(&self) -> String {
         if self.address.is_some() {
             return self.address.clone().unwrap();

src/main.rs

@@ -12,7 +12,7 @@ async fn main() -> std::io::Result<()> {
     let app_args = crate::app::SimpleServer::parse();
     env::set_var("RUST_LOG", "actix_web=debug,actix_server=info");
     env_logger::init();
-    let path = app_args.folder_to_host.clone();
+    let path = app_args.get_folder_to_host();
     {
         // `openssl req -x509 -newkey rsa:4096 -nodes -keyout key.pem -out cert.pem -days 365 -subj '/CN=localhost'`
 
@@ -20,7 +20,7 @@ async fn main() -> std::io::Result<()> {
             "Starting server on address: {}://{} with hosted folder: {} [SSL={}]",
             if app_args.ssl{ "https" } else {"http"},
             app_args.get_address(),
-            path,
+            path.display(),
             app_args.ssl
         );
     }