Modernize serve subcommand

src/cli/mod.rs

@@ -13,7 +13,6 @@ use std::{
     env,
     error::Error,
     fmt,
-    net::IpAddr,
     path::{Path, PathBuf},
     str::FromStr,
 };
@@ -26,7 +25,7 @@ pub use self::doc::DocCommand;
 pub use self::fmt_project::FmtProjectCommand;
 pub use self::init::{InitCommand, InitKind};
 pub use self::plugin::{PluginCommand, PluginSubcommand};
-pub use self::serve::*;
+pub use self::serve::ServeCommand;
 pub use self::upload::*;
 
 /// Command line options that Rojo accepts, defined using the structopt crate.
@@ -45,7 +44,7 @@ impl Options {
     pub fn run(self) -> anyhow::Result<()> {
         match self.subcommand {
             Subcommand::Init(subcommand) => subcommand.run(),
-            Subcommand::Serve(serve_options) => serve(self.global, serve_options),
+            Subcommand::Serve(subcommand) => subcommand.run(self.global),
             Subcommand::Build(subcommand) => subcommand.run(),
             Subcommand::Upload(upload_options) => upload(upload_options),
             Subcommand::FmtProject(subcommand) => subcommand.run(),
@@ -125,29 +124,6 @@ pub enum Subcommand {
     Plugin(PluginCommand),
 }
 
-/// Expose a Rojo project to the Rojo Studio plugin.
-#[derive(Debug, StructOpt)]
-pub struct ServeCommand {
-    /// Path to the project to serve. Defaults to the current directory.
-    #[structopt(default_value = "")]
-    pub project: PathBuf,
-
-    /// The IP address to listen on. Defaults to `127.0.0.1`.
-    #[structopt(long)]
-    pub address: Option<IpAddr>,
-
-    /// The port to listen on. Defaults to the project's preference, or `34872` if
-    /// it has none.
-    #[structopt(long)]
-    pub port: Option<u16>,
-}
-
-impl ServeCommand {
-    pub fn absolute_project(&self) -> Cow<'_, Path> {
-        resolve_path(&self.project)
-    }
-}
-
 /// Builds the project and uploads it to Roblox.
 #[derive(Debug, StructOpt)]
 pub struct UploadCommand {

src/cli/serve.rs

@@ -1,52 +1,73 @@
 use std::{
     io::{self, Write},
-    net::IpAddr,
-    net::Ipv4Addr,
+    net::{IpAddr, Ipv4Addr},
+    path::PathBuf,
     sync::Arc,
 };
 
-use anyhow::Result;
 use memofs::Vfs;
+use structopt::StructOpt;
 use termcolor::{BufferWriter, Color, ColorChoice, ColorSpec, WriteColor};
 
-use crate::{
-    cli::{GlobalOptions, ServeCommand},
-    serve_session::ServeSession,
-    web::LiveServer,
-};
+use crate::{serve_session::ServeSession, web::LiveServer};
+
+use super::{resolve_path, GlobalOptions};
 
 const DEFAULT_BIND_ADDRESS: Ipv4Addr = Ipv4Addr::new(127, 0, 0, 1);
 const DEFAULT_PORT: u16 = 34872;
 
-pub fn serve(global: GlobalOptions, options: ServeCommand) -> Result<()> {
-    let vfs = Vfs::new_default();
+/// Expose a Rojo project to the Rojo Studio plugin.
+#[derive(Debug, StructOpt)]
+pub struct ServeCommand {
+    /// Path to the project to serve. Defaults to the current directory.
+    #[structopt(default_value = "")]
+    pub project: PathBuf,
 
-    let session = Arc::new(ServeSession::new(vfs, &options.absolute_project())?);
+    /// The IP address to listen on. Defaults to `127.0.0.1`.
+    #[structopt(long)]
+    pub address: Option<IpAddr>,
 
-    let ip = options.address.unwrap_or(DEFAULT_BIND_ADDRESS.into());
+    /// The port to listen on. Defaults to the project's preference, or `34872` if
+    /// it has none.
+    #[structopt(long)]
+    pub port: Option<u16>,
+}
 
-    let port = options
-        .port
-        .or_else(|| session.project_port())
-        .unwrap_or(DEFAULT_PORT);
+impl ServeCommand {
+    pub fn run(self, global: GlobalOptions) -> anyhow::Result<()> {
+        let project_path = resolve_path(&self.project);
 
-    let server = LiveServer::new(session);
+        let vfs = Vfs::new_default();
 
-    let _ = show_start_message(ip, port, global.color.into());
-    server.start((ip, port).into());
+        let session = Arc::new(ServeSession::new(vfs, &project_path)?);
 
-    Ok(())
+        let ip = self.address.unwrap_or(DEFAULT_BIND_ADDRESS.into());
+
+        let port = self
+            .port
+            .or_else(|| session.project_port())
+            .unwrap_or(DEFAULT_PORT);
+
+        let server = LiveServer::new(session);
+
+        let _ = show_start_message(ip, port, global.color.into());
+        server.start((ip, port).into());
+
+        Ok(())
+    }
 }
 
 fn show_start_message(bind_address: IpAddr, port: u16, color: ColorChoice) -> io::Result<()> {
+    let mut green = ColorSpec::new();
+    green.set_fg(Some(Color::Green)).set_bold(true);
+
     let writer = BufferWriter::stdout(color);
     let mut buffer = writer.buffer();
 
     writeln!(&mut buffer, "Rojo server listening:")?;
 
     write!(&mut buffer, "  Address: ")?;
-    buffer.set_color(ColorSpec::new().set_fg(Some(Color::Green)).set_bold(true))?;
-
+    buffer.set_color(&green)?;
     if bind_address.is_loopback() {
         writeln!(&mut buffer, "localhost")?;
     } else {
@@ -55,7 +76,7 @@ fn show_start_message(bind_address: IpAddr, port: u16, color: ColorChoice) -> io
 
     buffer.set_color(&ColorSpec::new())?;
     write!(&mut buffer, "  Port:    ")?;
-    buffer.set_color(ColorSpec::new().set_fg(Some(Color::Green)).set_bold(true))?;
+    buffer.set_color(&green)?;
     writeln!(&mut buffer, "{}", port)?;
 
     writeln!(&mut buffer)?;
@@ -63,7 +84,7 @@ fn show_start_message(bind_address: IpAddr, port: u16, color: ColorChoice) -> io
     buffer.set_color(&ColorSpec::new())?;
     write!(&mut buffer, "Visit ")?;
 
-    buffer.set_color(ColorSpec::new().set_fg(Some(Color::Green)).set_bold(true))?;
+    buffer.set_color(&green)?;
     write!(&mut buffer, "http://localhost:{}/", port)?;
 
     buffer.set_color(&ColorSpec::new())?;