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https://github.com/clap-rs/clap
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9a645d2d19
After looking at more examples, I've become more attached to this briefer format. Part of #4132
63 lines
1.7 KiB
Rust
63 lines
1.7 KiB
Rust
// Hi, future me (or whoever you are)!
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//
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// Yes, we do need this attr.
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// No, the warnings cannot be fixed otherwise.
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// Accept and endure. Do not touch.
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#![allow(unused)]
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use clap::CommandFactory;
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pub const FULL_TEMPLATE: &str = "\
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{before-help}{name} {version}
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{author-with-newline}{about-with-newline}
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{usage-heading} {usage}
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{all-args}{after-help}";
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pub fn get_help<T: CommandFactory>() -> String {
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let mut output = Vec::new();
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<T as CommandFactory>::command()
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.write_help(&mut output)
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.unwrap();
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let output = String::from_utf8(output).unwrap();
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eprintln!("\n%%% HELP %%%:=====\n{}\n=====\n", output);
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eprintln!("\n%%% HELP (DEBUG) %%%:=====\n{:?}\n=====\n", output);
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output
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}
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pub fn get_long_help<T: CommandFactory>() -> String {
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let mut output = Vec::new();
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<T as CommandFactory>::command()
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.write_long_help(&mut output)
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.unwrap();
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let output = String::from_utf8(output).unwrap();
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eprintln!("\n%%% LONG_HELP %%%:=====\n{}\n=====\n", output);
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eprintln!("\n%%% LONG_HELP (DEBUG) %%%:=====\n{:?}\n=====\n", output);
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output
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}
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pub fn get_subcommand_long_help<T: CommandFactory>(subcmd: &str) -> String {
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let mut output = Vec::new();
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<T as CommandFactory>::command()
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.get_subcommands_mut()
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.find(|s| s.get_name() == subcmd)
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.unwrap()
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.write_long_help(&mut output)
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.unwrap();
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let output = String::from_utf8(output).unwrap();
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eprintln!(
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"\n%%% SUBCOMMAND `{}` HELP %%%:=====\n{}\n=====\n",
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subcmd, output
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);
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eprintln!(
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"\n%%% SUBCOMMAND `{}` HELP (DEBUG) %%%:=====\n{:?}\n=====\n",
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subcmd, output
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);
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output
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}
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