lib/
dekit.rs

1use anyhow::anyhow;
2use clap::{Arg, Command};
3
4use crate::lualib::init_std;
5
6pub async fn dekit_main() -> anyhow::Result<()> {
7  println!("* Welcome to dekit — playground for future features *\n");
8
9  let cmd = clap::command!()
10    .subcommands([
11      Command::new("up"),
12      Command::new("down"),
13      Command::new("server").subcommands([
14        Command::new("start"),
15        Command::new("stop"),
16        Command::new("status"),
17      ]),
18    ])
19    .arg(
20      Arg::new("files")
21        .action(clap::ArgAction::Append)
22        .trailing_var_arg(true),
23    );
24  let matches = cmd.get_matches();
25
26  match matches.subcommand() {
27    Some(("up", _sub_m)) => {
28      println!("Up.");
29    }
30    Some(("down", _sub_m)) => {
31      println!("Down.");
32    }
33    Some(("server", sub_m)) => {
34      match sub_m.subcommand() {
35        Some(("start", _sub_m)) => {
36          println!("Start server.");
37        }
38        Some(("stop", _sub_m)) => {
39          println!("Stop server.");
40        }
41        Some(("status", _sub_m)) => {
42          println!("Server status.");
43        }
44        _ => {
45          //
46        }
47      }
48    }
49    Some((arg, _sub_m)) => {
50      println!("Unknown: {}", arg);
51    }
52    None => {
53      println!("None.");
54      let paths = matches
55        .get_many::<String>("files")
56        .map(|p| p.collect::<Vec<_>>())
57        .unwrap_or_default();
58      println!("paths = {:?}", paths);
59
60      #[allow(clippy::collapsible_if)]
61      if let Some(first) = paths.first() {
62        if first.ends_with(".lua") {
63          println!("Running the script.");
64
65          let src = std::fs::read_to_string(first)?;
66
67          let lua = mlua::Lua::new();
68          let cancel = tokio_util::sync::CancellationToken::new();
69          lua.set_app_data(cancel.clone());
70          lua
71            .globals()
72            .set("std", init_std(&lua).map_err(|e| anyhow!("{}", e))?)
73            .map_err(|e| anyhow!("{}", e))?;
74          println!("After std init.");
75
76          let chunk = lua.load(src.clone());
77          let f: mlua::Function = chunk.eval().map_err(|e| anyhow!("{}", e))?;
78          let r = f
79            .call_async::<mlua::Value>(())
80            .await
81            .map_err(|e| anyhow!("{}", e))?;
82          println!("-> {:?}", r);
83          cancel.cancel();
84        }
85      }
86    }
87  }
88
89  Ok(())
90}
lib/dekit.rs

lib/
dekit.rs
