novel_cli/cmd/
completions.rs1use std::io;
2
3use clap::{Args, CommandFactory, ValueEnum};
4use clap_complete::Generator;
5use color_eyre::eyre::Result;
6use fluent_templates::Loader;
7
8use crate::config::Config;
9use crate::{LANG_ID, LOCALES};
10
11#[must_use]
12#[derive(Clone, ValueEnum)]
13pub enum Shell {
14 Bash,
15 Elvish,
16 Fish,
17 PowerShell,
18 Zsh,
19 Nushell,
20}
21
22impl Shell {
23 fn to_clap_type(&self) -> Box<dyn Generator> {
24 match self {
25 Self::Bash => Box::new(clap_complete::Shell::Bash),
26 Self::Elvish => Box::new(clap_complete::Shell::Elvish),
27 Self::Fish => Box::new(clap_complete::Shell::Fish),
28 Self::PowerShell => Box::new(clap_complete::Shell::PowerShell),
29 Self::Zsh => Box::new(clap_complete::Shell::Zsh),
30 Self::Nushell => Box::new(clap_complete_nushell::Nushell),
31 }
32 }
33}
34
35#[must_use]
36#[derive(Args)]
37#[command(arg_required_else_help = true,
38 about = LOCALES.lookup(&LANG_ID, "completions_command"))]
39pub struct Completions {
40 #[arg(value_enum,
41 help = LOCALES.lookup(&LANG_ID, "shell"))]
42 pub shell: Shell,
43}
44
45pub fn execute(config: Completions) -> Result<()> {
46 let mut cmd = Config::command();
47 let bin_name = cmd.get_name().to_string();
48
49 cmd.set_bin_name(bin_name);
50 cmd.build();
51
52 config
53 .shell
54 .to_clap_type()
55 .generate(&cmd, &mut io::stdout());
56
57 Ok(())
58}