clap

Cargo.lock

@@ -105,6 +105,55 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "anstream"
+version = "0.6.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "64e15c1ab1f89faffbf04a634d5e1962e9074f2741eef6d97f3c4e322426d526"
+dependencies = [
+ "anstyle",
+ "anstyle-parse",
+ "anstyle-query",
+ "anstyle-wincon",
+ "colorchoice",
+ "is_terminal_polyfill",
+ "utf8parse",
+]
+
+[[package]]
+name = "anstyle"
+version = "1.0.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1bec1de6f59aedf83baf9ff929c98f2ad654b97c9510f4e70cf6f661d49fd5b1"
+
+[[package]]
+name = "anstyle-parse"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eb47de1e80c2b463c735db5b217a0ddc39d612e7ac9e2e96a5aed1f57616c1cb"
+dependencies = [
+ "utf8parse",
+]
+
+[[package]]
+name = "anstyle-query"
+version = "1.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6d36fc52c7f6c869915e99412912f22093507da8d9e942ceaf66fe4b7c14422a"
+dependencies = [
+ "windows-sys 0.52.0",
+]
+
+[[package]]
+name = "anstyle-wincon"
+version = "3.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5bf74e1b6e971609db8ca7a9ce79fd5768ab6ae46441c572e46cf596f59e57f8"
+dependencies = [
+ "anstyle",
+ "windows-sys 0.52.0",
+]
+
 [[package]]
 name = "anyhow"
 version = "1.0.89"
@@ -500,6 +549,46 @@ dependencies = [
  "windows-targets 0.52.6",
 ]
 
+[[package]]
+name = "clap"
+version = "4.5.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b97f376d85a664d5837dbae44bf546e6477a679ff6610010f17276f686d867e8"
+dependencies = [
+ "clap_builder",
+ "clap_derive",
+]
+
+[[package]]
+name = "clap_builder"
+version = "4.5.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "19bc80abd44e4bed93ca373a0704ccbd1b710dc5749406201bb018272808dc54"
+dependencies = [
+ "anstream",
+ "anstyle",
+ "clap_lex",
+ "strsim",
+]
+
+[[package]]
+name = "clap_derive"
+version = "4.5.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4ac6a0c7b1a9e9a5186361f67dfa1b88213572f427fb9ab038efb2bd8c582dab"
+dependencies = [
+ "heck",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.79",
+]
+
+[[package]]
+name = "clap_lex"
+version = "0.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1462739cb27611015575c0c11df5df7601141071f07518d56fcc1be504cbec97"
+
 [[package]]
 name = "clipboard-win"
 version = "5.4.0"
@@ -549,6 +638,12 @@ dependencies = [
  "unicode-width",
 ]
 
+[[package]]
+name = "colorchoice"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d3fd119d74b830634cea2a0f58bbd0d54540518a14397557951e79340abc28c0"
+
 [[package]]
 name = "com"
 version = "0.6.0"
@@ -1334,6 +1429,7 @@ name = "gui-playground"
 version = "0.1.0"
 dependencies = [
  "anyhow",
+ "clap",
  "iced",
  "iced-tetris",
 ]
@@ -1392,6 +1488,12 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "heck"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
+
 [[package]]
 name = "hermit-abi"
 version = "0.3.9"
@@ -1650,6 +1752,12 @@ dependencies = [
  "cfg-if",
 ]
 
+[[package]]
+name = "is_terminal_polyfill"
+version = "1.70.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7943c866cc5cd64cbc25b2e01621d07fa8eb2a1a23160ee81ce38704e97b8ecf"
+
 [[package]]
 name = "jni"
 version = "0.21.1"
@@ -3004,6 +3112,12 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6637bab7722d379c8b41ba849228d680cc12d0a45ba1fa2b48f2a30577a06731"
 
+[[package]]
+name = "strsim"
+version = "0.11.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7da8b5736845d9f2fcb837ea5d9e2628564b3b043a70948a3f0b778838c5fb4f"
+
 [[package]]
 name = "svg_fmt"
 version = "0.4.3"
@@ -3309,6 +3423,12 @@ version = "0.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ebc1c04c71510c7f702b52b7c350734c9ff1295c464a03335b00bb84fc54f853"
 
+[[package]]
+name = "utf8parse"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "06abde3611657adf66d383f00b093d7faecc7fa57071cce2578660c9f1010821"
+
 [[package]]
 name = "version_check"
 version = "0.9.5"

Cargo.toml

@@ -7,6 +7,7 @@ edition = "2021"
 
 [dependencies]
 anyhow = "1.0.89"
+clap = { version = "4.5.20", features = ["derive"] }
 iced = "0.13.1"
 iced-tetris = { git = "https://code.everydayimshuflin.com/greg/tetres" }
 

src/main.rs

@@ -1,23 +1,30 @@
 mod iced;
 
 use anyhow::{anyhow, Result};
+use clap::{Parser, Subcommand};
+
+#[derive(Parser, Debug)]
+struct Arguments {
+    #[command(subcommand)]
+    command: Command,
+}
+
+#[derive(Subcommand, Debug)]
+enum Command {
+    Iced,
+    IcedTetris,
+    Egui,
+    Druid,
+}
 
 fn main() -> Result<()> {
-    let args: Vec<String> = std::env::args().collect();
+    let args = Arguments::parse();
 
-    let framework = match args.get(1) {
+    match args.command {
-        Some(s) => s,
+        Command::Iced => iced::iced_main().map_err(|err| anyhow!(err)),
-        None => return Err(anyhow!("Specify a framework to use")),
+        Command::IcedTetris => iced_tetris::tetris_main().map_err(|err| anyhow!(err)),
-    };
+        Command::Egui => egui_main(),
-
+        Command::Druid => druid_main(),
-    match framework.as_str() {
-        "iced" => iced::iced_main().map_err(|err| anyhow!(err)),
-        "iced-tetris" => iced_tetris::tetris_main().map_err(|err| anyhow!(err)),
-        "druid" => druid_main(),
-        "egui" => egui_main(),
-        other => Err(anyhow!(
-            r#"You specified {other}, allowed values: "iced", "egui""#
-        )),
     }
 }