1 // Copyright ⓒ 2015-2018 Kevin B. Knapp 2 // 3 // `clap_complete` is distributed under the terms of both the MIT license and the Apache License 4 // (Version 2.0). 5 // See the [LICENSE-APACHE](LICENSE-APACHE) and [LICENSE-MIT](LICENSE-MIT) files in this repository 6 // for more information. 7 8 #![doc(html_logo_url = "https://raw.githubusercontent.com/clap-rs/clap/master/assets/clap.png")] 9 #![doc = include_str!("../README.md")] 10 #![warn(missing_docs, trivial_casts, unused_allocation, trivial_numeric_casts)] 11 #![forbid(unsafe_code)] 12 #![allow(clippy::needless_doctest_main)] 13 14 //! ## Quick Start 15 //! 16 //! - For generating at compile-time, see [`generate_to`] 17 //! - For generating at runtime, see [`generate`] 18 //! 19 //! [`Shell`] is a convenience `enum` for an argument value type that implements `Generator` 20 //! for each natively-supported shell type. 21 //! 22 //! ## Example 23 //! 24 //! ```rust,no_run 25 //! use clap::{Command, Arg, ValueHint, value_parser, ArgAction}; 26 //! use clap_complete::{generate, Generator, Shell}; 27 //! use std::io; 28 //! 29 //! fn build_cli() -> Command { 30 //! Command::new("example") 31 //! .arg(Arg::new("file") 32 //! .help("some input file") 33 //! .value_hint(ValueHint::AnyPath), 34 //! ) 35 //! .arg( 36 //! Arg::new("generator") 37 //! .long("generate") 38 //! .action(ArgAction::Set) 39 //! .value_parser(value_parser!(Shell)), 40 //! ) 41 //! } 42 //! 43 //! fn print_completions<G: Generator>(gen: G, cmd: &mut Command) { 44 //! generate(gen, cmd, cmd.get_name().to_string(), &mut io::stdout()); 45 //! } 46 //! 47 //! fn main() { 48 //! let matches = build_cli().get_matches(); 49 //! 50 //! if let Some(generator) = matches.get_one::<Shell>("generator").copied() { 51 //! let mut cmd = build_cli(); 52 //! eprintln!("Generating completion file for {}...", generator); 53 //! print_completions(generator, &mut cmd); 54 //! } 55 //! } 56 //! ``` 57 58 const INTERNAL_ERROR_MSG: &str = "Fatal internal error. Please consider filing a bug \ 59 report at https://github.com/clap-rs/clap/issues"; 60 61 #[macro_use] 62 #[allow(missing_docs)] 63 mod macros; 64 65 pub mod generator; 66 pub mod shells; 67 68 pub use generator::generate; 69 pub use generator::generate_to; 70 pub use generator::Generator; 71 pub use shells::Shell; 72 73 #[cfg(feature = "unstable-dynamic")] 74 pub mod dynamic; 75