♻️ refactor: clean up `.exe` handling and add a place for `ptth_file_server`

crates/ptth_multi_call_server/src/main.rs

@@ -3,25 +3,32 @@ use std::{
 	iter::FromIterator,
 };
 
-#[derive (Debug, PartialEq)]
+#[derive (Clone, Copy, Debug, PartialEq)]
 enum Subcommand {
 	PtthServer,
+	PtthFileServer,
 	PtthQuicEndServer,
 }
 
-fn parse_subcommand (name: &str) -> Option <Subcommand>
+fn parse_subcommand (arg: &str) -> Option <Subcommand>
 {
-	if name.ends_with ("ptth_server") || name.ends_with ("ptth_server.exe") 
-	{
-		Some (Subcommand::PtthServer)
+	use Subcommand::*;
+	
+	let map = vec! [
+		("ptth_server", PtthServer),
+		("ptth_file_server", PtthFileServer),
+		("ptth_quic_end_server", PtthQuicEndServer),
+	];
+	
+	let arg = arg.strip_suffix (".exe").unwrap_or (arg);
+	
+	for (suffix, subcommand) in &map {
+		if arg.ends_with (suffix) {
+			return Some (*subcommand);
 		}
-	else if name.ends_with ("ptth_quic_end_server") || name.ends_with ("ptth_quic_end_server.exe") 
-	{
-		Some (Subcommand::PtthQuicEndServer)
 	}
-	else {
+	
 	None
-	}
 }
 
 fn parse_args (args: &[OsString]) -> anyhow::Result <(Subcommand, &[OsString])>
@@ -60,6 +67,7 @@ async fn main () -> anyhow::Result <()> {
 	let (subcommand, args) = parse_args (&args)?;
 	match subcommand {
 		Subcommand::PtthServer => ptth_server::executable::main (&args).await,
+		Subcommand::PtthFileServer => unimplemented! (),
 		Subcommand::PtthQuicEndServer => quic_demo::executable_end_server::main (&args).await,
 	}
 }
@@ -74,6 +82,7 @@ mod tests {
 			vec! [],
 			vec! ["invalid_exe_name"],
 			vec! ["ptth_multi_call_server"],
+			vec! ["ptth_server.ex"],
 			vec! ["ptth_multi_call_server", "invalid_subcommand"],
 		];
 		
@@ -85,8 +94,10 @@ mod tests {
 		}
 		
 		let positive_cases = vec! [
+			(vec! ["ptth_server.exe"], (Subcommand::PtthServer, vec! ["ptth_server.exe"])),
 			(vec! ["ptth_server"], (Subcommand::PtthServer, vec! ["ptth_server"])),
 			(vec! ["ptth_server", "--help"], (Subcommand::PtthServer, vec! ["ptth_server", "--help"])),
+			(vec! ["ptth_file_server"], (Subcommand::PtthFileServer, vec! ["ptth_file_server"])),
 			(vec! ["ptth_quic_end_server", "--help"], (Subcommand::PtthQuicEndServer, vec! ["ptth_quic_end_server", "--help"])),
 			(vec! ["ptth_multi_call_server", "ptth_server"], (Subcommand::PtthServer, vec! ["ptth_server"])),
 			(