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look very different (and much more reasonable). # See Cargo.toml.orig for the original contents. [package] edition = "2021" rust-version = "1.70.0" name = "clap_complete" version = "4.4.9" include = [ "build.rs", "src/**/*", "Cargo.toml", "LICENSE*", "README.md", "benches/**/*", "examples/**/*", ] description = "Generate shell completion scripts for your clap::Command" readme = "README.md" keywords = [ "clap", "cli", "completion", "bash", ] categories = ["command-line-interface"] license = "MIT OR Apache-2.0" repository = "https://github.com/clap-rs/clap/tree/master/clap_complete" [package.metadata.docs.rs] cargo-args = [ "-Zunstable-options", "-Zrustdoc-scrape-examples", ] features = ["unstable-doc"] rustdoc-args = [ "--cfg", "docsrs", "--generate-link-to-definition", ] [[package.metadata.release.pre-release-replacements]] file = "CHANGELOG.md" min = 1 replace = "{{version}}" search = "Unreleased" [[package.metadata.release.pre-release-replacements]] exactly = 1 file = "CHANGELOG.md" replace = "...{{tag_name}}" search = '\.\.\.HEAD' [[package.metadata.release.pre-release-replacements]] file = "CHANGELOG.md" min = 1 replace = "{{date}}" search = "ReleaseDate" [[package.metadata.release.pre-release-replacements]] exactly = 1 file = "CHANGELOG.md" replace = """ ## [Unreleased] - ReleaseDate """ search = "" [[package.metadata.release.pre-release-replacements]] exactly = 1 file = "CHANGELOG.md" replace = """ [Unreleased]: https://github.com/clap-rs/clap/compare/{{tag_name}}...HEAD""" search = "" [[package.metadata.release.pre-release-replacements]] exactly = 4 file = "README.md" prerelease = true replace = "github.com/clap-rs/clap/blob/{{tag_name}}/" search = "github.com/clap-rs/clap/blob/[^/]+/" [lib] bench = false [[example]] name = "dynamic" required-features = ["unstable-dynamic"] [dependencies.clap] version = "4.1.0" features = ["std"] default-features = false [dependencies.clap_lex] version = "0.6.0" optional = true [dependencies.is_executable] version = "1.0.1" optional = true [dependencies.pathdiff] version = "0.2.1" optional = true [dependencies.shlex] version = "1.1.0" optional = true [dependencies.unicode-xid] version = "0.2.2" optional = true [dev-dependencies.clap] version = "4.0.0" features = [ "std", "derive", "help", ] default-features = false [dev-dependencies.completest] version = "0.4.0" [dev-dependencies.completest-pty] version = "0.5.0" [dev-dependencies.snapbox] version = "0.4.15" features = [ "diff", "path", "examples", ] [dev-dependencies.trycmd] version = "0.14.19" features = [ "color-auto", "diff", "examples", ] default-features = false [features] debug = ["clap/debug"] default = [] unstable-doc = ["unstable-dynamic"] unstable-dynamic = [ "dep:clap_lex", "dep:shlex", "dep:unicode-xid", "clap/derive", "dep:is_executable", "dep:pathdiff", ] clap_complete-4.4.9/Cargo.toml.orig000064400000000000000000000045631046102023000153500ustar 00000000000000[package] name = "clap_complete" version = "4.4.9" description = "Generate shell completion scripts for your clap::Command" repository = "https://github.com/clap-rs/clap/tree/master/clap_complete" categories = ["command-line-interface"] keywords = [ "clap", "cli", "completion", "bash", ] license.workspace = true edition.workspace = true rust-version.workspace = true include.workspace = true [package.metadata.docs.rs] features = ["unstable-doc"] rustdoc-args = ["--cfg", "docsrs", "--generate-link-to-definition"] cargo-args = ["-Zunstable-options", "-Zrustdoc-scrape-examples"] [package.metadata.release] pre-release-replacements = [ {file="CHANGELOG.md", search="Unreleased", replace="{{version}}", min=1}, {file="CHANGELOG.md", search="\\.\\.\\.HEAD", replace="...{{tag_name}}", exactly=1}, {file="CHANGELOG.md", search="ReleaseDate", replace="{{date}}", min=1}, {file="CHANGELOG.md", search="", replace="\n## [Unreleased] - ReleaseDate\n", exactly=1}, {file="CHANGELOG.md", search="", replace="\n[Unreleased]: https://github.com/clap-rs/clap/compare/{{tag_name}}...HEAD", exactly=1}, {file="README.md", search="github.com/clap-rs/clap/blob/[^/]+/", replace="github.com/clap-rs/clap/blob/{{tag_name}}/", exactly=4, prerelease = true}, ] [lib] bench = false [dependencies] clap = { path = "../", version = "4.1.0", default-features = false, features = ["std"] } clap_lex = { path = "../clap_lex", version = "0.6.0", optional = true } is_executable = { version = "1.0.1", optional = true } pathdiff = { version = "0.2.1", optional = true } shlex = { version = "1.1.0", optional = true } unicode-xid = { version = "0.2.2", optional = true } [dev-dependencies] snapbox = { version = "0.4.15", features = ["diff", "path", "examples"] } # Cutting out `filesystem` feature trycmd = { version = "0.14.19", default-features = false, features = ["color-auto", "diff", "examples"] } completest = "0.4.0" completest-pty = "0.5.0" clap = { path = "../", version = "4.0.0", default-features = false, features = ["std", "derive", "help"] } [[example]] name = "dynamic" required-features = ["unstable-dynamic"] [features] default = [] unstable-doc = ["unstable-dynamic"] # for docs.rs unstable-dynamic = ["dep:clap_lex", "dep:shlex", "dep:unicode-xid", "clap/derive", "dep:is_executable", "dep:pathdiff"] debug = ["clap/debug"] clap_complete-4.4.9/LICENSE-APACHE000064400000000000000000000261351046102023000144040ustar 00000000000000 Apache License Version 2.0, January 2004 http://www.apache.org/licenses/ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 1. 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While redistributing the Work or Derivative Works thereof, You may choose to offer, and charge a fee for, acceptance of support, warranty, indemnity, or other liability obligations and/or rights consistent with this License. However, in accepting such obligations, You may act only on Your own behalf and on Your sole responsibility, not on behalf of any other Contributor, and only if You agree to indemnify, defend, and hold each Contributor harmless for any liability incurred by, or claims asserted against, such Contributor by reason of your accepting any such warranty or additional liability. END OF TERMS AND CONDITIONS APPENDIX: How to apply the Apache License to your work. To apply the Apache License to your work, attach the following boilerplate notice, with the fields enclosed by brackets "[]" replaced with your own identifying information. (Don't include the brackets!) The text should be enclosed in the appropriate comment syntax for the file format. We also recommend that a file or class name and description of purpose be included on the same "printed page" as the copyright notice for easier identification within third-party archives. Copyright [yyyy] [name of copyright owner] Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. clap_complete-4.4.9/LICENSE-MIT000064400000000000000000000021241046102023000141040ustar 00000000000000The MIT License (MIT) Copyright (c) 2015-2022 Kevin B. Knapp and Clap Contributors Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. clap_complete-4.4.9/README.md000064400000000000000000000022611046102023000137310ustar 00000000000000 # clap_complete > **Shell completion generation for `clap`** [![Crates.io](https://img.shields.io/crates/v/clap_complete?style=flat-square)](https://crates.io/crates/clap_complete) [![Crates.io](https://img.shields.io/crates/d/clap_complete?style=flat-square)](https://crates.io/crates/clap_complete) [![License](https://img.shields.io/badge/license-Apache%202.0-blue?style=flat-square)](https://github.com/clap-rs/clap/blob/clap_complete-v4.4.9/LICENSE-APACHE) [![License](https://img.shields.io/badge/license-MIT-blue?style=flat-square)](https://github.com/clap-rs/clap/blob/clap_complete-v4.4.9/LICENSE-MIT) Dual-licensed under [Apache 2.0](LICENSE-APACHE) or [MIT](LICENSE-MIT). 1. [About](#about) 2. [API Reference](https://docs.rs/clap_complete) 3. [Questions & Discussions](https://github.com/clap-rs/clap/discussions) 4. [CONTRIBUTING](https://github.com/clap-rs/clap/blob/clap_complete-v4.4.9/clap_complete/CONTRIBUTING.md) 5. [Sponsors](https://github.com/clap-rs/clap/blob/clap_complete-v4.4.9/README.md#sponsors) ## About ### Related Projects - [clap_complete_fig](https://crates.io/crates/clap_complete_fig) for [fig](https://fig.io/) shell completion support clap_complete-4.4.9/examples/completion-derive.rs000064400000000000000000000054051046102023000202660ustar 00000000000000//! How to use value hints and generate shell completions. //! //! Usage with zsh: //! ```console //! $ cargo run --example completion-derive -- --generate=zsh > /usr/local/share/zsh/site-functions/_completion_derive //! $ compinit //! $ ./target/debug/examples/completion_derive -- //! ``` //! fish: //! ```console //! $ cargo run --example completion-derive -- --generate=fish > completion_derive.fish //! $ . ./completion_derive.fish //! $ ./target/debug/examples/completion_derive -- //! ``` use clap::{Args, Command, CommandFactory, Parser, Subcommand, ValueHint}; use clap_complete::{generate, Generator, Shell}; use std::ffi::OsString; use std::io; use std::path::PathBuf; #[derive(Parser, Debug, PartialEq)] #[command(name = "completion-derive")] struct Opt { // If provided, outputs the completion file for given shell #[arg(long = "generate", value_enum)] generator: Option, #[command(subcommand)] command: Option, } #[derive(Subcommand, Debug, PartialEq)] enum Commands { #[command(visible_alias = "hint")] ValueHint(ValueHintOpt), } #[derive(Args, Debug, PartialEq)] struct ValueHintOpt { // Showcasing all possible ValueHints: #[arg(long, value_hint = ValueHint::Unknown)] unknown: Option, #[arg(long, value_hint = ValueHint::Other)] other: Option, #[arg(short, long, value_hint = ValueHint::AnyPath)] path: Option, #[arg(short, long, value_hint = ValueHint::FilePath)] file: Option, #[arg(short, long, value_hint = ValueHint::DirPath)] dir: Option, #[arg(short, long, value_hint = ValueHint::ExecutablePath)] exe: Option, #[arg(long, value_hint = ValueHint::CommandName)] cmd_name: Option, #[arg(short, long, value_hint = ValueHint::CommandString)] cmd: Option, // Command::trailing_var_ar is required to use ValueHint::CommandWithArguments #[arg(trailing_var_arg = true, value_hint = ValueHint::CommandWithArguments)] command_with_args: Vec, #[arg(short, long, value_hint = ValueHint::Username)] user: Option, #[arg(long, value_hint = ValueHint::Hostname)] host: Option, #[arg(long, value_hint = ValueHint::Url)] url: Option, #[arg(long, value_hint = ValueHint::EmailAddress)] email: Option, } fn print_completions(gen: G, cmd: &mut Command) { generate(gen, cmd, cmd.get_name().to_string(), &mut io::stdout()); } fn main() { let opt = Opt::parse(); if let Some(generator) = opt.generator { let mut cmd = Opt::command(); eprintln!("Generating completion file for {generator:?}..."); print_completions(generator, &mut cmd); } else { println!("{opt:#?}"); } } clap_complete-4.4.9/examples/completion.rs000064400000000000000000000063451046102023000170160ustar 00000000000000//! Example to test arguments with different ValueHint values. //! //! Usage with zsh: //! ```console //! $ cargo run --example completion -- --generate=zsh > /usr/local/share/zsh/site-functions/_completion$ //! $ compinit //! $ ./target/debug/examples/completion -- //! ``` //! fish: //! ```console //! $ cargo run --example completion -- --generate=fish > completion.fish //! $ . ./completion.fish //! $ ./target/debug/examples/completion -- //! ``` use clap::{value_parser, Arg, Command, ValueHint}; use clap_complete::{generate, Generator, Shell}; use std::io; fn build_cli() -> Command { let value_hint_command = Command::new("value-hint") .visible_alias("hint") .arg( Arg::new("unknown") .long("unknown") .value_hint(ValueHint::Unknown), ) .arg(Arg::new("other").long("other").value_hint(ValueHint::Other)) .arg( Arg::new("path") .long("path") .short('p') .value_hint(ValueHint::AnyPath), ) .arg( Arg::new("file") .long("file") .short('f') .value_hint(ValueHint::FilePath), ) .arg( Arg::new("dir") .long("dir") .short('d') .value_hint(ValueHint::DirPath), ) .arg( Arg::new("exe") .long("exe") .short('e') .value_hint(ValueHint::ExecutablePath), ) .arg( Arg::new("cmd_name") .long("cmd-name") .value_hint(ValueHint::CommandName), ) .arg( Arg::new("cmd") .long("cmd") .short('c') .value_hint(ValueHint::CommandString), ) .arg( Arg::new("command_with_args") .num_args(1..) // AppSettings::TrailingVarArg is required to use ValueHint::CommandWithArguments .trailing_var_arg(true) .value_hint(ValueHint::CommandWithArguments), ) .arg( Arg::new("user") .short('u') .long("user") .value_hint(ValueHint::Username), ) .arg( Arg::new("host") .long("host") .value_hint(ValueHint::Hostname), ) .arg(Arg::new("url").long("url").value_hint(ValueHint::Url)) .arg( Arg::new("email") .long("email") .value_hint(ValueHint::EmailAddress), ); Command::new("completion") .arg( Arg::new("generator") .long("generate") .value_parser(value_parser!(Shell)), ) .subcommand(value_hint_command) } fn print_completions(gen: G, cmd: &mut Command) { generate(gen, cmd, cmd.get_name().to_string(), &mut io::stdout()); } fn main() { let matches = build_cli().get_matches(); if let Some(generator) = matches.get_one::("generator") { let mut cmd = build_cli(); eprintln!("Generating completion file for {generator}..."); print_completions(*generator, &mut cmd); } } clap_complete-4.4.9/examples/dynamic.rs000064400000000000000000000017001046102023000162570ustar 00000000000000use clap::FromArgMatches; use clap::Subcommand; fn command() -> clap::Command { let cmd = clap::Command::new("dynamic") .arg( clap::Arg::new("input") .long("input") .short('i') .value_hint(clap::ValueHint::FilePath), ) .arg( clap::Arg::new("format") .long("format") .short('F') .value_parser(["json", "yaml", "toml"]), ) .args_conflicts_with_subcommands(true); clap_complete::dynamic::shells::CompleteCommand::augment_subcommands(cmd) } fn main() { let cmd = command(); let matches = cmd.get_matches(); if let Ok(completions) = clap_complete::dynamic::shells::CompleteCommand::from_arg_matches(&matches) { completions.complete(&mut command()); } else { println!("{matches:#?}"); } } #[test] fn verify_cli() { command().debug_assert(); } clap_complete-4.4.9/examples/exhaustive.rs000064400000000000000000000211421046102023000170220ustar 00000000000000use clap::builder::PossibleValue; #[cfg(feature = "unstable-dynamic")] use clap::{FromArgMatches, Subcommand}; use clap_complete::{generate, Generator, Shell}; fn main() { let matches = cli().get_matches(); if let Some(generator) = matches.get_one::("generate") { let mut cmd = cli(); eprintln!("Generating completion file for {generator}..."); print_completions(*generator, &mut cmd); return; } #[cfg(feature = "unstable-dynamic")] if let Ok(completions) = clap_complete::dynamic::shells::CompleteCommand::from_arg_matches(&matches) { completions.complete(&mut cli()); return; }; println!("{:?}", matches); } fn print_completions(gen: G, cmd: &mut clap::Command) { generate(gen, cmd, cmd.get_name().to_string(), &mut std::io::stdout()); } #[allow(clippy::let_and_return)] fn cli() -> clap::Command { let cli = clap::Command::new("exhaustive") .version("3.0") .propagate_version(true) .args([ clap::Arg::new("global") .long("global") .global(true) .action(clap::ArgAction::SetTrue) .help("everywhere"), clap::Arg::new("generate") .long("generate") .value_name("SHELL") .value_parser(clap::value_parser!(Shell)) .help("generate"), ]) .subcommands([ clap::Command::new("action").args([ clap::Arg::new("set-true") .long("set-true") .action(clap::ArgAction::SetTrue) .help("bool"), clap::Arg::new("set") .long("set") .action(clap::ArgAction::Set) .help("value"), clap::Arg::new("count") .long("count") .action(clap::ArgAction::Count) .help("number"), clap::Arg::new("choice") .long("choice") .value_parser(["first", "second"]) .help("enum"), ]), clap::Command::new("quote") .args([ clap::Arg::new("single-quotes") .long("single-quotes") .action(clap::ArgAction::SetTrue) .help("Can be 'always', 'auto', or 'never'"), clap::Arg::new("double-quotes") .long("double-quotes") .action(clap::ArgAction::SetTrue) .help("Can be \"always\", \"auto\", or \"never\""), clap::Arg::new("backticks") .long("backticks") .action(clap::ArgAction::SetTrue) .help("For more information see `echo test`"), clap::Arg::new("backslash") .long("backslash") .action(clap::ArgAction::SetTrue) .help("Avoid '\\n'"), clap::Arg::new("brackets") .long("brackets") .action(clap::ArgAction::SetTrue) .help("List packages [filter]"), clap::Arg::new("expansions") .long("expansions") .action(clap::ArgAction::SetTrue) .help("Execute the shell command with $SHELL"), clap::Arg::new("choice") .long("choice") .action(clap::ArgAction::Set) .value_parser(clap::builder::PossibleValuesParser::new([ PossibleValue::new("bash").help("bash (shell)"), PossibleValue::new("fish").help("fish shell"), PossibleValue::new("zsh").help("zsh shell"), ])), ]) .subcommands([ clap::Command::new("cmd-single-quotes") .about("Can be 'always', 'auto', or 'never'"), clap::Command::new("cmd-double-quotes") .about("Can be \"always\", \"auto\", or \"never\""), clap::Command::new("cmd-backticks") .about("For more information see `echo test`"), clap::Command::new("cmd-backslash").about("Avoid '\\n'"), clap::Command::new("cmd-brackets").about("List packages [filter]"), clap::Command::new("cmd-expansions") .about("Execute the shell command with $SHELL"), clap::Command::new("escape-help").about("\\tab\t\"'\nNew Line"), ]), clap::Command::new("value").args([ clap::Arg::new("delim").long("delim").value_delimiter(','), clap::Arg::new("tuple").long("tuple").num_args(2), clap::Arg::new("require-eq") .long("require-eq") .require_equals(true), clap::Arg::new("term").num_args(1..).value_terminator(";"), ]), clap::Command::new("pacman").subcommands([ clap::Command::new("one").long_flag("one").short_flag('o'), clap::Command::new("two").long_flag("two").short_flag('t'), ]), clap::Command::new("last") .args([clap::Arg::new("first"), clap::Arg::new("free").last(true)]), clap::Command::new("alias").args([ clap::Arg::new("flag") .short('f') .visible_short_alias('F') .long("flag") .action(clap::ArgAction::SetTrue) .visible_alias("flg") .help("cmd flag"), clap::Arg::new("option") .short('o') .visible_short_alias('O') .long("option") .visible_alias("opt") .help("cmd option") .action(clap::ArgAction::Set), clap::Arg::new("positional"), ]), clap::Command::new("hint").args([ clap::Arg::new("choice") .long("choice") .action(clap::ArgAction::Set) .value_parser(["bash", "fish", "zsh"]), clap::Arg::new("unknown") .long("unknown") .value_hint(clap::ValueHint::Unknown), clap::Arg::new("other") .long("other") .value_hint(clap::ValueHint::Other), clap::Arg::new("path") .long("path") .short('p') .value_hint(clap::ValueHint::AnyPath), clap::Arg::new("file") .long("file") .short('f') .value_hint(clap::ValueHint::FilePath), clap::Arg::new("dir") .long("dir") .short('d') .value_hint(clap::ValueHint::DirPath), clap::Arg::new("exe") .long("exe") .short('e') .value_hint(clap::ValueHint::ExecutablePath), clap::Arg::new("cmd_name") .long("cmd-name") .value_hint(clap::ValueHint::CommandName), clap::Arg::new("cmd") .long("cmd") .short('c') .value_hint(clap::ValueHint::CommandString), clap::Arg::new("command_with_args") .action(clap::ArgAction::Set) .num_args(1..) .trailing_var_arg(true) .value_hint(clap::ValueHint::CommandWithArguments), clap::Arg::new("user") .short('u') .long("user") .value_hint(clap::ValueHint::Username), clap::Arg::new("host") .short('H') .long("host") .value_hint(clap::ValueHint::Hostname), clap::Arg::new("url") .long("url") .value_hint(clap::ValueHint::Url), clap::Arg::new("email") .long("email") .value_hint(clap::ValueHint::EmailAddress), ]), ]); #[cfg(feature = "unstable-dynamic")] let cli = clap_complete::dynamic::shells::CompleteCommand::augment_subcommands(cli); cli } clap_complete-4.4.9/src/dynamic/completer.rs000064400000000000000000000260301046102023000172250ustar 00000000000000use std::ffi::OsStr; use std::ffi::OsString; use clap::builder::StyledStr; use clap_lex::OsStrExt as _; /// Shell-specific completions pub trait Completer { /// The recommended file name for the registration code fn file_name(&self, name: &str) -> String; /// Register for completions fn write_registration( &self, name: &str, bin: &str, completer: &str, buf: &mut dyn std::io::Write, ) -> Result<(), std::io::Error>; /// Complete the given command fn write_complete( &self, cmd: &mut clap::Command, args: Vec, current_dir: Option<&std::path::Path>, buf: &mut dyn std::io::Write, ) -> Result<(), std::io::Error>; } /// Complete the given command pub fn complete( cmd: &mut clap::Command, args: Vec, arg_index: usize, current_dir: Option<&std::path::Path>, ) -> Result)>, std::io::Error> { cmd.build(); let raw_args = clap_lex::RawArgs::new(args); let mut cursor = raw_args.cursor(); let mut target_cursor = raw_args.cursor(); raw_args.seek( &mut target_cursor, clap_lex::SeekFrom::Start(arg_index as u64), ); // As we loop, `cursor` will always be pointing to the next item raw_args.next_os(&mut target_cursor); // TODO: Multicall support if !cmd.is_no_binary_name_set() { raw_args.next_os(&mut cursor); } let mut current_cmd = &*cmd; let mut pos_index = 1; let mut is_escaped = false; while let Some(arg) = raw_args.next(&mut cursor) { if cursor == target_cursor { return complete_arg(&arg, current_cmd, current_dir, pos_index, is_escaped); } debug!("complete::next: Begin parsing '{:?}'", arg.to_value_os(),); if let Ok(value) = arg.to_value() { if let Some(next_cmd) = current_cmd.find_subcommand(value) { current_cmd = next_cmd; pos_index = 1; continue; } } if is_escaped { pos_index += 1; } else if arg.is_escape() { is_escaped = true; } else if let Some(_long) = arg.to_long() { } else if let Some(_short) = arg.to_short() { } else { pos_index += 1; } } Err(std::io::Error::new( std::io::ErrorKind::Other, "no completion generated", )) } fn complete_arg( arg: &clap_lex::ParsedArg<'_>, cmd: &clap::Command, current_dir: Option<&std::path::Path>, pos_index: usize, is_escaped: bool, ) -> Result)>, std::io::Error> { debug!( "complete_arg: arg={:?}, cmd={:?}, current_dir={:?}, pos_index={}, is_escaped={}", arg, cmd.get_name(), current_dir, pos_index, is_escaped ); let mut completions = Vec::new(); if !is_escaped { if let Some((flag, value)) = arg.to_long() { if let Ok(flag) = flag { if let Some(value) = value { if let Some(arg) = cmd.get_arguments().find(|a| a.get_long() == Some(flag)) { completions.extend( complete_arg_value(value.to_str().ok_or(value), arg, current_dir) .into_iter() .map(|(os, help)| { // HACK: Need better `OsStr` manipulation (format!("--{}={}", flag, os.to_string_lossy()).into(), help) }), ) } } else { completions.extend(longs_and_visible_aliases(cmd).into_iter().filter_map( |(f, help)| f.starts_with(flag).then(|| (format!("--{f}").into(), help)), )); } } } else if arg.is_escape() || arg.is_stdio() || arg.is_empty() { // HACK: Assuming knowledge of is_escape / is_stdio completions.extend( longs_and_visible_aliases(cmd) .into_iter() .map(|(f, help)| (format!("--{f}").into(), help)), ); } if arg.is_empty() || arg.is_stdio() || arg.is_short() { let dash_or_arg = if arg.is_empty() { "-".into() } else { arg.to_value_os().to_string_lossy() }; // HACK: Assuming knowledge of is_stdio completions.extend( shorts_and_visible_aliases(cmd) .into_iter() // HACK: Need better `OsStr` manipulation .map(|(f, help)| (format!("{}{}", dash_or_arg, f).into(), help)), ); } } if let Some(positional) = cmd .get_positionals() .find(|p| p.get_index() == Some(pos_index)) { completions.extend(complete_arg_value(arg.to_value(), positional, current_dir)); } if let Ok(value) = arg.to_value() { completions.extend(complete_subcommand(value, cmd)); } Ok(completions) } fn complete_arg_value( value: Result<&str, &OsStr>, arg: &clap::Arg, current_dir: Option<&std::path::Path>, ) -> Vec<(OsString, Option)> { let mut values = Vec::new(); debug!("complete_arg_value: arg={arg:?}, value={value:?}"); if let Some(possible_values) = possible_values(arg) { if let Ok(value) = value { values.extend(possible_values.into_iter().filter_map(|p| { let name = p.get_name(); name.starts_with(value) .then(|| (name.into(), p.get_help().cloned())) })); } } else { let value_os = match value { Ok(value) => OsStr::new(value), Err(value_os) => value_os, }; match arg.get_value_hint() { clap::ValueHint::Other => { // Should not complete } clap::ValueHint::Unknown | clap::ValueHint::AnyPath => { values.extend(complete_path(value_os, current_dir, |_| true)); } clap::ValueHint::FilePath => { values.extend(complete_path(value_os, current_dir, |p| p.is_file())); } clap::ValueHint::DirPath => { values.extend(complete_path(value_os, current_dir, |p| p.is_dir())); } clap::ValueHint::ExecutablePath => { use is_executable::IsExecutable; values.extend(complete_path(value_os, current_dir, |p| p.is_executable())); } clap::ValueHint::CommandName | clap::ValueHint::CommandString | clap::ValueHint::CommandWithArguments | clap::ValueHint::Username | clap::ValueHint::Hostname | clap::ValueHint::Url | clap::ValueHint::EmailAddress => { // No completion implementation } _ => { // Safe-ish fallback values.extend(complete_path(value_os, current_dir, |_| true)); } } values.sort(); } values } fn complete_path( value_os: &OsStr, current_dir: Option<&std::path::Path>, is_wanted: impl Fn(&std::path::Path) -> bool, ) -> Vec<(OsString, Option)> { let mut completions = Vec::new(); let current_dir = match current_dir { Some(current_dir) => current_dir, None => { // Can't complete without a `current_dir` return Vec::new(); } }; let (existing, prefix) = value_os .split_once("\\") .unwrap_or((OsStr::new(""), value_os)); let root = current_dir.join(existing); debug!("complete_path: root={root:?}, prefix={prefix:?}"); let prefix = prefix.to_string_lossy(); for entry in std::fs::read_dir(&root) .ok() .into_iter() .flatten() .filter_map(Result::ok) { let raw_file_name = entry.file_name(); if !raw_file_name.starts_with(&prefix) { continue; } if entry.metadata().map(|m| m.is_dir()).unwrap_or(false) { let path = entry.path(); let mut suggestion = pathdiff::diff_paths(&path, current_dir).unwrap_or(path); suggestion.push(""); // Ensure trailing `/` completions.push((suggestion.as_os_str().to_owned(), None)); } else { let path = entry.path(); if is_wanted(&path) { let suggestion = pathdiff::diff_paths(&path, current_dir).unwrap_or(path); completions.push((suggestion.as_os_str().to_owned(), None)); } } } completions } fn complete_subcommand(value: &str, cmd: &clap::Command) -> Vec<(OsString, Option)> { debug!( "complete_subcommand: cmd={:?}, value={:?}", cmd.get_name(), value ); let mut scs = subcommands(cmd) .into_iter() .filter(|x| x.0.starts_with(value)) .map(|x| (OsString::from(&x.0), x.1)) .collect::>(); scs.sort(); scs.dedup(); scs } /// Gets all the long options, their visible aliases and flags of a [`clap::Command`]. /// Includes `help` and `version` depending on the [`clap::Command`] settings. fn longs_and_visible_aliases(p: &clap::Command) -> Vec<(String, Option)> { debug!("longs: name={}", p.get_name()); p.get_arguments() .filter_map(|a| { a.get_long_and_visible_aliases().map(|longs| { longs .into_iter() .map(|s| (s.to_string(), a.get_help().cloned())) }) }) .flatten() .collect() } /// Gets all the short options, their visible aliases and flags of a [`clap::Command`]. /// Includes `h` and `V` depending on the [`clap::Command`] settings. fn shorts_and_visible_aliases(p: &clap::Command) -> Vec<(char, Option)> { debug!("shorts: name={}", p.get_name()); p.get_arguments() .filter_map(|a| { a.get_short_and_visible_aliases() .map(|shorts| shorts.into_iter().map(|s| (s, a.get_help().cloned()))) }) .flatten() .collect() } /// Get the possible values for completion fn possible_values(a: &clap::Arg) -> Option> { if !a.get_num_args().expect("built").takes_values() { None } else { a.get_value_parser() .possible_values() .map(|pvs| pvs.collect()) } } /// Gets subcommands of [`clap::Command`] in the form of `("name", "bin_name")`. /// /// Subcommand `rustup toolchain install` would be converted to /// `("install", "rustup toolchain install")`. fn subcommands(p: &clap::Command) -> Vec<(String, Option)> { debug!("subcommands: name={}", p.get_name()); debug!("subcommands: Has subcommands...{:?}", p.has_subcommands()); p.get_subcommands() .map(|sc| (sc.get_name().to_string(), sc.get_about().cloned())) .collect() } clap_complete-4.4.9/src/dynamic/mod.rs000064400000000000000000000002251046102023000160100ustar 00000000000000//! Complete commands within shells //! //! For quick-start, see [`shells::CompleteCommand`] mod completer; pub mod shells; pub use completer::*; clap_complete-4.4.9/src/dynamic/shells/bash.rs000064400000000000000000000071731046102023000174510ustar 00000000000000use unicode_xid::UnicodeXID as _; /// Completion support for Bash #[derive(Copy, Clone, PartialEq, Eq, Debug)] pub struct Bash; impl crate::dynamic::Completer for Bash { fn file_name(&self, name: &str) -> String { format!("{name}.bash") } fn write_registration( &self, name: &str, bin: &str, completer: &str, buf: &mut dyn std::io::Write, ) -> Result<(), std::io::Error> { let escaped_name = name.replace('-', "_"); debug_assert!( escaped_name.chars().all(|c| c.is_xid_continue()), "`name` must be an identifier, got `{escaped_name}`" ); let mut upper_name = escaped_name.clone(); upper_name.make_ascii_uppercase(); let completer = shlex::quote(completer); let script = r#" _clap_complete_NAME() { export IFS=$'\013' export _CLAP_COMPLETE_INDEX=${COMP_CWORD} export _CLAP_COMPLETE_COMP_TYPE=${COMP_TYPE} if compopt +o nospace 2> /dev/null; then export _CLAP_COMPLETE_SPACE=false else export _CLAP_COMPLETE_SPACE=true fi COMPREPLY=( $("COMPLETER" complete --shell bash -- "${COMP_WORDS[@]}") ) if [[ $? != 0 ]]; then unset COMPREPLY elif [[ $SUPPRESS_SPACE == 1 ]] && [[ "${COMPREPLY-}" =~ [=/:]$ ]]; then compopt -o nospace fi } complete -o nospace -o bashdefault -F _clap_complete_NAME BIN "# .replace("NAME", &escaped_name) .replace("BIN", bin) .replace("COMPLETER", &completer) .replace("UPPER", &upper_name); writeln!(buf, "{script}")?; Ok(()) } fn write_complete( &self, cmd: &mut clap::Command, args: Vec, current_dir: Option<&std::path::Path>, buf: &mut dyn std::io::Write, ) -> Result<(), std::io::Error> { let index: usize = std::env::var("_CLAP_COMPLETE_INDEX") .ok() .and_then(|i| i.parse().ok()) .unwrap_or_default(); let _comp_type: CompType = std::env::var("_CLAP_COMPLETE_COMP_TYPE") .ok() .and_then(|i| i.parse().ok()) .unwrap_or_default(); let _space: Option = std::env::var("_CLAP_COMPLETE_SPACE") .ok() .and_then(|i| i.parse().ok()); let ifs: Option = std::env::var("IFS").ok().and_then(|i| i.parse().ok()); let completions = crate::dynamic::complete(cmd, args, index, current_dir)?; for (i, (completion, _)) in completions.iter().enumerate() { if i != 0 { write!(buf, "{}", ifs.as_deref().unwrap_or("\n"))?; } write!(buf, "{}", completion.to_string_lossy())?; } Ok(()) } } /// Type of completion attempted that caused a completion function to be called #[derive(Copy, Clone, Debug, PartialEq, Eq)] #[non_exhaustive] enum CompType { /// Normal completion Normal, /// List completions after successive tabs Successive, /// List alternatives on partial word completion Alternatives, /// List completions if the word is not unmodified Unmodified, /// Menu completion Menu, } impl std::str::FromStr for CompType { type Err = String; fn from_str(s: &str) -> Result { match s { "9" => Ok(Self::Normal), "63" => Ok(Self::Successive), "33" => Ok(Self::Alternatives), "64" => Ok(Self::Unmodified), "37" => Ok(Self::Menu), _ => Err(format!("unsupported COMP_TYPE `{}`", s)), } } } impl Default for CompType { fn default() -> Self { Self::Normal } } clap_complete-4.4.9/src/dynamic/shells/fish.rs000064400000000000000000000026701046102023000174620ustar 00000000000000/// Completion support for Fish #[derive(Copy, Clone, PartialEq, Eq, Debug)] pub struct Fish; impl crate::dynamic::Completer for Fish { fn file_name(&self, name: &str) -> String { format!("{name}.fish") } fn write_registration( &self, _name: &str, bin: &str, completer: &str, buf: &mut dyn std::io::Write, ) -> Result<(), std::io::Error> { let bin = shlex::quote(bin); let completer = shlex::quote(completer); writeln!( buf, r#"complete -x -c {bin} -a "("'{completer}'" complete --shell fish -- (commandline --current-process --tokenize --cut-at-cursor) (commandline --current-token))""# ) } fn write_complete( &self, cmd: &mut clap::Command, args: Vec, current_dir: Option<&std::path::Path>, buf: &mut dyn std::io::Write, ) -> Result<(), std::io::Error> { let index = args.len() - 1; let completions = crate::dynamic::complete(cmd, args, index, current_dir)?; for (completion, help) in completions { write!(buf, "{}", completion.to_string_lossy())?; if let Some(help) = help { write!( buf, "\t{}", help.to_string().lines().next().unwrap_or_default() )?; } writeln!(buf)?; } Ok(()) } } clap_complete-4.4.9/src/dynamic/shells/mod.rs000064400000000000000000000052141046102023000173050ustar 00000000000000//! Shell support mod bash; mod fish; mod shell; pub use bash::*; pub use fish::*; pub use shell::*; use std::ffi::OsString; use std::io::Write as _; use crate::dynamic::Completer as _; /// A subcommand definition to `flatten` into your CLI /// /// This provides a one-stop solution for integrating completions into your CLI #[derive(clap::Subcommand)] #[allow(missing_docs)] #[derive(Clone, Debug)] #[command(about = None, long_about = None)] pub enum CompleteCommand { /// Register shell completions for this program #[command(hide = true)] Complete(CompleteArgs), } /// Generally used via [`CompleteCommand`] #[derive(clap::Args)] #[command(arg_required_else_help = true)] #[command(group = clap::ArgGroup::new("complete").multiple(true).conflicts_with("register"))] #[allow(missing_docs)] #[derive(Clone, Debug)] #[command(about = None, long_about = None)] pub struct CompleteArgs { /// Specify shell to complete for #[arg(long)] shell: Shell, /// Path to write completion-registration to #[arg(long, required = true)] register: Option, #[arg(raw = true, hide_short_help = true, group = "complete")] comp_words: Vec, } impl CompleteCommand { /// Process the completion request pub fn complete(&self, cmd: &mut clap::Command) -> std::convert::Infallible { self.try_complete(cmd).unwrap_or_else(|e| e.exit()); std::process::exit(0) } /// Process the completion request pub fn try_complete(&self, cmd: &mut clap::Command) -> clap::error::Result<()> { debug!("CompleteCommand::try_complete: {self:?}"); let CompleteCommand::Complete(args) = self; if let Some(out_path) = args.register.as_deref() { let mut buf = Vec::new(); let name = cmd.get_name(); let bin = cmd.get_bin_name().unwrap_or_else(|| cmd.get_name()); args.shell.write_registration(name, bin, bin, &mut buf)?; if out_path == std::path::Path::new("-") { std::io::stdout().write_all(&buf)?; } else if out_path.is_dir() { let out_path = out_path.join(args.shell.file_name(name)); std::fs::write(out_path, buf)?; } else { std::fs::write(out_path, buf)?; } } else { let current_dir = std::env::current_dir().ok(); let mut buf = Vec::new(); args.shell.write_complete( cmd, args.comp_words.clone(), current_dir.as_deref(), &mut buf, )?; std::io::stdout().write_all(&buf)?; } Ok(()) } } clap_complete-4.4.9/src/dynamic/shells/shell.rs000064400000000000000000000042451046102023000176400ustar 00000000000000use std::fmt::Display; use std::str::FromStr; use clap::builder::PossibleValue; use clap::ValueEnum; /// Completion support for built-in shells #[derive(Clone, Copy, Debug, Eq, Hash, PartialEq)] #[non_exhaustive] pub enum Shell { /// Bourne Again SHell (bash) Bash, /// Friendly Interactive SHell (fish) Fish, } impl Display for Shell { fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { self.to_possible_value() .expect("no values are skipped") .get_name() .fmt(f) } } impl FromStr for Shell { type Err = String; fn from_str(s: &str) -> Result { for variant in Self::value_variants() { if variant.to_possible_value().unwrap().matches(s, false) { return Ok(*variant); } } Err(format!("invalid variant: {s}")) } } // Hand-rolled so it can work even when `derive` feature is disabled impl ValueEnum for Shell { fn value_variants<'a>() -> &'a [Self] { &[Shell::Bash, Shell::Fish] } fn to_possible_value<'a>(&self) -> Option { Some(match self { Shell::Bash => PossibleValue::new("bash"), Shell::Fish => PossibleValue::new("fish"), }) } } impl Shell { fn completer(&self) -> &dyn crate::dynamic::Completer { match self { Self::Bash => &super::Bash, Self::Fish => &super::Fish, } } } impl crate::dynamic::Completer for Shell { fn file_name(&self, name: &str) -> String { self.completer().file_name(name) } fn write_registration( &self, name: &str, bin: &str, completer: &str, buf: &mut dyn std::io::Write, ) -> Result<(), std::io::Error> { self.completer() .write_registration(name, bin, completer, buf) } fn write_complete( &self, cmd: &mut clap::Command, args: Vec, current_dir: Option<&std::path::Path>, buf: &mut dyn std::io::Write, ) -> Result<(), std::io::Error> { self.completer().write_complete(cmd, args, current_dir, buf) } } clap_complete-4.4.9/src/generator/mod.rs000064400000000000000000000162201046102023000163540ustar 00000000000000//! Shell completion machinery pub mod utils; use std::ffi::OsString; use std::fs::File; use std::io::Error; use std::io::Write; use std::path::PathBuf; use clap::Command; /// Generator trait which can be used to write generators pub trait Generator { /// Returns the file name that is created when this generator is called during compile time. /// /// # Panics /// /// May panic when called outside of the context of [`generate`] or [`generate_to`] /// /// # Examples /// /// ``` /// # use std::io::Write; /// # use clap::Command; /// use clap_complete::Generator; /// /// pub struct Fish; /// /// impl Generator for Fish { /// fn file_name(&self, name: &str) -> String { /// format!("{name}.fish") /// } /// # fn generate(&self, cmd: &Command, buf: &mut dyn Write) {} /// } /// ``` fn file_name(&self, name: &str) -> String; /// Generates output out of [`clap::Command`]. /// /// # Panics /// /// May panic when called outside of the context of [`generate`] or [`generate_to`] /// /// # Examples /// /// The following example generator displays the [`clap::Command`] /// as if it is printed using [`std::println`]. /// /// ``` /// use std::{io::Write, fmt::write}; /// use clap::Command; /// use clap_complete::Generator; /// /// pub struct ClapDebug; /// /// impl Generator for ClapDebug { /// # fn file_name(&self, name: &str) -> String { /// # name.into() /// # } /// fn generate(&self, cmd: &Command, buf: &mut dyn Write) { /// write!(buf, "{cmd}").unwrap(); /// } /// } /// ``` fn generate(&self, cmd: &Command, buf: &mut dyn Write); } /// Generate a completions file for a specified shell at compile-time. /// /// **NOTE:** to generate the file at compile time you must use a `build.rs` "Build Script" or a /// [`cargo-xtask`](https://github.com/matklad/cargo-xtask) /// /// # Examples /// /// The following example generates a bash completion script via a `build.rs` script. In this /// simple example, we'll demo a very small application with only a single subcommand and two /// args. Real applications could be many multiple levels deep in subcommands, and have tens or /// potentially hundreds of arguments. /// /// First, it helps if we separate out our `Command` definition into a separate file. Whether you /// do this as a function, or bare Command definition is a matter of personal preference. /// /// ``` /// // src/cli.rs /// # use clap::{Command, Arg, ArgAction}; /// pub fn build_cli() -> Command { /// Command::new("compl") /// .about("Tests completions") /// .arg(Arg::new("file") /// .help("some input file")) /// .subcommand(Command::new("test") /// .about("tests things") /// .arg(Arg::new("case") /// .long("case") /// .action(ArgAction::Set) /// .help("the case to test"))) /// } /// ``` /// /// In our regular code, we can simply call this `build_cli()` function, then call /// `get_matches()`, or any of the other normal methods directly after. For example: /// /// ```ignore /// // src/main.rs /// /// mod cli; /// /// fn main() { /// let _m = cli::build_cli().get_matches(); /// /// // normal logic continues... /// } /// ``` /// /// Next, we set up our `Cargo.toml` to use a `build.rs` build script. /// /// ```toml /// # Cargo.toml /// build = "build.rs" /// /// [dependencies] /// clap = "*" /// /// [build-dependencies] /// clap = "*" /// clap_complete = "*" /// ``` /// /// Next, we place a `build.rs` in our project root. /// /// ```ignore /// use clap_complete::{generate_to, shells::Bash}; /// use std::env; /// use std::io::Error; /// /// include!("src/cli.rs"); /// /// fn main() -> Result<(), Error> { /// let outdir = match env::var_os("OUT_DIR") { /// None => return Ok(()), /// Some(outdir) => outdir, /// }; /// /// let mut cmd = build_cli(); /// let path = generate_to( /// Bash, /// &mut cmd, // We need to specify what generator to use /// "myapp", // We need to specify the bin name manually /// outdir, // We need to specify where to write to /// )?; /// /// println!("cargo:warning=completion file is generated: {path:?}"); /// /// Ok(()) /// } /// ``` /// /// Now, once we compile there will be a `{bin_name}.bash` file in the directory. /// Assuming we compiled with debug mode, it would be somewhere similar to /// `/target/debug/build/myapp-/out/myapp.bash`. /// /// **NOTE:** Please look at the individual [shells][crate::shells] /// to see the name of the files generated. /// /// Using [`ValueEnum::value_variants()`][clap::ValueEnum::value_variants] you can easily loop over /// all the supported shell variants to generate all the completions at once too. /// /// ```ignore /// use clap::ValueEnum; /// use clap_complete::{generate_to, Shell}; /// use std::env; /// use std::io::Error; /// /// include!("src/cli.rs"); /// /// fn main() -> Result<(), Error> { /// let outdir = match env::var_os("OUT_DIR") { /// None => return Ok(()), /// Some(outdir) => outdir, /// }; /// /// let mut cmd = build_cli(); /// for &shell in Shell::value_variants() { /// generate_to(shell, &mut cmd, "myapp", outdir)?; /// } /// /// Ok(()) /// } /// ``` pub fn generate_to( gen: G, cmd: &mut Command, bin_name: S, out_dir: T, ) -> Result where G: Generator, S: Into, T: Into, { cmd.set_bin_name(bin_name); let out_dir = PathBuf::from(out_dir.into()); let file_name = gen.file_name(cmd.get_bin_name().unwrap()); let path = out_dir.join(file_name); let mut file = File::create(&path)?; _generate::(gen, cmd, &mut file); Ok(path) } /// Generate a completions file for a specified shell at runtime. /// /// Until `cargo install` can install extra files like a completion script, this may be /// used e.g. in a command that outputs the contents of the completion script, to be /// redirected into a file by the user. /// /// # Examples /// /// Assuming a separate `cli.rs` like the [`generate_to` example](generate_to()), /// we can let users generate a completion script using a command: /// /// ```ignore /// // src/main.rs /// /// mod cli; /// use std::io; /// use clap_complete::{generate, shells::Bash}; /// /// fn main() { /// let matches = cli::build_cli().get_matches(); /// /// if matches.is_present("generate-bash-completions") { /// generate(Bash, &mut cli::build_cli(), "myapp", &mut io::stdout()); /// } /// /// // normal logic continues... /// } /// /// ``` /// /// Usage: /// /// ```console /// $ myapp generate-bash-completions > /usr/share/bash-completion/completions/myapp.bash /// ``` pub fn generate(gen: G, cmd: &mut Command, bin_name: S, buf: &mut dyn Write) where G: Generator, S: Into, { cmd.set_bin_name(bin_name); _generate::(gen, cmd, buf) } fn _generate(gen: G, cmd: &mut Command, buf: &mut dyn Write) { cmd.build(); gen.generate(cmd, buf) } clap_complete-4.4.9/src/generator/utils.rs000064400000000000000000000213241046102023000167360ustar 00000000000000//! Helpers for writing generators use clap::{Arg, Command}; /// Gets all subcommands including child subcommands in the form of `("name", "bin_name")`. /// /// Subcommand `rustup toolchain install` would be converted to /// `("install", "rustup toolchain install")`. pub fn all_subcommands(cmd: &Command) -> Vec<(String, String)> { let mut subcmds: Vec<_> = subcommands(cmd); for sc_v in cmd.get_subcommands().map(all_subcommands) { subcmds.extend(sc_v); } subcmds } /// Finds the subcommand [`clap::Command`] from the given [`clap::Command`] with the given path. /// /// **NOTE:** `path` should not contain the root `bin_name`. pub fn find_subcommand_with_path<'cmd>(p: &'cmd Command, path: Vec<&str>) -> &'cmd Command { let mut cmd = p; for sc in path { cmd = cmd.find_subcommand(sc).unwrap(); } cmd } /// Gets subcommands of [`clap::Command`] in the form of `("name", "bin_name")`. /// /// Subcommand `rustup toolchain install` would be converted to /// `("install", "rustup toolchain install")`. pub fn subcommands(p: &Command) -> Vec<(String, String)> { debug!("subcommands: name={}", p.get_name()); debug!("subcommands: Has subcommands...{:?}", p.has_subcommands()); let mut subcmds = vec![]; for sc in p.get_subcommands() { let sc_bin_name = sc.get_bin_name().unwrap(); debug!( "subcommands:iter: name={}, bin_name={}", sc.get_name(), sc_bin_name ); subcmds.push((sc.get_name().to_string(), sc_bin_name.to_string())); } subcmds } /// Gets all the short options, their visible aliases and flags of a [`clap::Command`]. /// Includes `h` and `V` depending on the [`clap::Command`] settings. pub fn shorts_and_visible_aliases(p: &Command) -> Vec { debug!("shorts: name={}", p.get_name()); p.get_arguments() .filter_map(|a| { if !a.is_positional() { if a.get_visible_short_aliases().is_some() && a.get_short().is_some() { let mut shorts_and_visible_aliases = a.get_visible_short_aliases().unwrap(); shorts_and_visible_aliases.push(a.get_short().unwrap()); Some(shorts_and_visible_aliases) } else if a.get_visible_short_aliases().is_none() && a.get_short().is_some() { Some(vec![a.get_short().unwrap()]) } else { None } } else { None } }) .flatten() .collect() } /// Gets all the long options, their visible aliases and flags of a [`clap::Command`]. /// Includes `help` and `version` depending on the [`clap::Command`] settings. pub fn longs_and_visible_aliases(p: &Command) -> Vec { debug!("longs: name={}", p.get_name()); p.get_arguments() .filter_map(|a| { if !a.is_positional() { if a.get_visible_aliases().is_some() && a.get_long().is_some() { let mut visible_aliases: Vec<_> = a .get_visible_aliases() .unwrap() .into_iter() .map(|s| s.to_string()) .collect(); visible_aliases.push(a.get_long().unwrap().to_string()); Some(visible_aliases) } else if a.get_visible_aliases().is_none() && a.get_long().is_some() { Some(vec![a.get_long().unwrap().to_string()]) } else { None } } else { None } }) .flatten() .collect() } /// Gets all the flags of a [`clap::Command`]. /// Includes `help` and `version` depending on the [`clap::Command`] settings. pub fn flags(p: &Command) -> Vec { debug!("flags: name={}", p.get_name()); p.get_arguments() .filter(|a| !a.get_num_args().expect("built").takes_values() && !a.is_positional()) .cloned() .collect() } /// Get the possible values for completion pub fn possible_values(a: &Arg) -> Option> { if !a.get_num_args().expect("built").takes_values() { None } else { a.get_value_parser() .possible_values() .map(|pvs| pvs.collect()) } } #[cfg(test)] mod tests { use super::*; use clap::Arg; use clap::ArgAction; fn common_app() -> Command { Command::new("myapp") .subcommand( Command::new("test").subcommand(Command::new("config")).arg( Arg::new("file") .short('f') .short_alias('c') .visible_short_alias('p') .long("file") .action(ArgAction::SetTrue) .visible_alias("path"), ), ) .subcommand(Command::new("hello")) .bin_name("my-cmd") } fn built() -> Command { let mut cmd = common_app(); cmd.build(); cmd } fn built_with_version() -> Command { let mut cmd = common_app().version("3.0"); cmd.build(); cmd } #[test] fn test_subcommands() { let cmd = built_with_version(); assert_eq!( subcommands(&cmd), vec![ ("test".to_string(), "my-cmd test".to_string()), ("hello".to_string(), "my-cmd hello".to_string()), ("help".to_string(), "my-cmd help".to_string()), ] ); } #[test] fn test_all_subcommands() { let cmd = built_with_version(); assert_eq!( all_subcommands(&cmd), vec![ ("test".to_string(), "my-cmd test".to_string()), ("hello".to_string(), "my-cmd hello".to_string()), ("help".to_string(), "my-cmd help".to_string()), ("config".to_string(), "my-cmd test config".to_string()), ("help".to_string(), "my-cmd test help".to_string()), ("config".to_string(), "my-cmd test help config".to_string()), ("help".to_string(), "my-cmd test help help".to_string()), ("test".to_string(), "my-cmd help test".to_string()), ("hello".to_string(), "my-cmd help hello".to_string()), ("help".to_string(), "my-cmd help help".to_string()), ("config".to_string(), "my-cmd help test config".to_string()), ] ); } #[test] fn test_find_subcommand_with_path() { let cmd = built_with_version(); let sc_app = find_subcommand_with_path(&cmd, "test config".split(' ').collect()); assert_eq!(sc_app.get_name(), "config"); } #[test] fn test_flags() { let cmd = built_with_version(); let actual_flags = flags(&cmd); assert_eq!(actual_flags.len(), 2); assert_eq!(actual_flags[0].get_long(), Some("help")); assert_eq!(actual_flags[1].get_long(), Some("version")); let sc_flags = flags(find_subcommand_with_path(&cmd, vec!["test"])); assert_eq!(sc_flags.len(), 2); assert_eq!(sc_flags[0].get_long(), Some("file")); assert_eq!(sc_flags[1].get_long(), Some("help")); } #[test] fn test_flag_subcommand() { let cmd = built(); let actual_flags = flags(&cmd); assert_eq!(actual_flags.len(), 1); assert_eq!(actual_flags[0].get_long(), Some("help")); let sc_flags = flags(find_subcommand_with_path(&cmd, vec!["test"])); assert_eq!(sc_flags.len(), 2); assert_eq!(sc_flags[0].get_long(), Some("file")); assert_eq!(sc_flags[1].get_long(), Some("help")); } #[test] fn test_shorts() { let cmd = built_with_version(); let shorts = shorts_and_visible_aliases(&cmd); assert_eq!(shorts.len(), 2); assert_eq!(shorts[0], 'h'); assert_eq!(shorts[1], 'V'); let sc_shorts = shorts_and_visible_aliases(find_subcommand_with_path(&cmd, vec!["test"])); assert_eq!(sc_shorts.len(), 3); assert_eq!(sc_shorts[0], 'p'); assert_eq!(sc_shorts[1], 'f'); assert_eq!(sc_shorts[2], 'h'); } #[test] fn test_longs() { let cmd = built_with_version(); let longs = longs_and_visible_aliases(&cmd); assert_eq!(longs.len(), 2); assert_eq!(longs[0], "help"); assert_eq!(longs[1], "version"); let sc_longs = longs_and_visible_aliases(find_subcommand_with_path(&cmd, vec!["test"])); assert_eq!(sc_longs.len(), 3); assert_eq!(sc_longs[0], "path"); assert_eq!(sc_longs[1], "file"); assert_eq!(sc_longs[2], "help"); } } clap_complete-4.4.9/src/lib.rs000064400000000000000000000045461046102023000143650ustar 00000000000000// Copyright ⓒ 2015-2018 Kevin B. Knapp // // `clap_complete` is distributed under the terms of both the MIT license and the Apache License // (Version 2.0). // See the [LICENSE-APACHE](LICENSE-APACHE) and [LICENSE-MIT](LICENSE-MIT) files in this repository // for more information. #![doc(html_logo_url = "https://raw.githubusercontent.com/clap-rs/clap/master/assets/clap.png")] #![doc = include_str!("../README.md")] #![cfg_attr(docsrs, feature(doc_auto_cfg))] #![warn(missing_docs, trivial_casts, unused_allocation, trivial_numeric_casts)] #![forbid(unsafe_code)] #![allow(clippy::needless_doctest_main)] //! ## Quick Start //! //! - For generating at compile-time, see [`generate_to`] //! - For generating at runtime, see [`generate`] //! //! [`Shell`] is a convenience `enum` for an argument value type that implements `Generator` //! for each natively-supported shell type. //! //! ## Example //! //! ```rust,no_run //! use clap::{Command, Arg, ValueHint, value_parser, ArgAction}; //! use clap_complete::{generate, Generator, Shell}; //! use std::io; //! //! fn build_cli() -> Command { //! Command::new("example") //! .arg(Arg::new("file") //! .help("some input file") //! .value_hint(ValueHint::AnyPath), //! ) //! .arg( //! Arg::new("generator") //! .long("generate") //! .action(ArgAction::Set) //! .value_parser(value_parser!(Shell)), //! ) //! } //! //! fn print_completions(gen: G, cmd: &mut Command) { //! generate(gen, cmd, cmd.get_name().to_string(), &mut io::stdout()); //! } //! //! fn main() { //! let matches = build_cli().get_matches(); //! //! if let Some(generator) = matches.get_one::("generator").copied() { //! let mut cmd = build_cli(); //! eprintln!("Generating completion file for {generator}..."); //! print_completions(generator, &mut cmd); //! } //! } //! ``` const INTERNAL_ERROR_MSG: &str = "Fatal internal error. Please consider filing a bug \ report at https://github.com/clap-rs/clap/issues"; #[macro_use] #[allow(missing_docs)] mod macros; pub mod generator; pub mod shells; pub use generator::generate; pub use generator::generate_to; pub use generator::Generator; pub use shells::Shell; #[cfg(feature = "unstable-dynamic")] pub mod dynamic; clap_complete-4.4.9/src/macros.rs000064400000000000000000000006741046102023000151010ustar 00000000000000macro_rules! w { ($buf:expr, $to_w:expr) => { match $buf.write_all($to_w) { Ok(..) => (), Err(..) => panic!("Failed to write to generated file"), } }; } #[cfg(feature = "debug")] macro_rules! debug { ($($arg:tt)*) => { eprint!("[{:>w$}] \t", module_path!(), w = 28); eprintln!($($arg)*) } } #[cfg(not(feature = "debug"))] macro_rules! debug { ($($arg:tt)*) => {}; } clap_complete-4.4.9/src/shells/bash.rs000064400000000000000000000200111046102023000160070ustar 00000000000000use std::{fmt::Write as _, io::Write}; use clap::*; use crate::generator::{utils, Generator}; /// Generate bash completion file #[derive(Copy, Clone, PartialEq, Eq, Debug)] pub struct Bash; impl Generator for Bash { fn file_name(&self, name: &str) -> String { format!("{name}.bash") } fn generate(&self, cmd: &Command, buf: &mut dyn Write) { let bin_name = cmd .get_bin_name() .expect("crate::generate should have set the bin_name"); let fn_name = bin_name.replace('-', "__"); w!( buf, format!( "_{name}() {{ local i cur prev opts cmd COMPREPLY=() cur=\"${{COMP_WORDS[COMP_CWORD]}}\" prev=\"${{COMP_WORDS[COMP_CWORD-1]}}\" cmd=\"\" opts=\"\" for i in ${{COMP_WORDS[@]}} do case \"${{cmd}},${{i}}\" in \",$1\") cmd=\"{cmd}\" ;;{subcmds} *) ;; esac done case \"${{cmd}}\" in {cmd}) opts=\"{name_opts}\" if [[ ${{cur}} == -* || ${{COMP_CWORD}} -eq 1 ]] ; then COMPREPLY=( $(compgen -W \"${{opts}}\" -- \"${{cur}}\") ) return 0 fi case \"${{prev}}\" in{name_opts_details} *) COMPREPLY=() ;; esac COMPREPLY=( $(compgen -W \"${{opts}}\" -- \"${{cur}}\") ) return 0 ;;{subcmd_details} esac }} if [[ \"${{BASH_VERSINFO[0]}}\" -eq 4 && \"${{BASH_VERSINFO[1]}}\" -ge 4 || \"${{BASH_VERSINFO[0]}}\" -gt 4 ]]; then complete -F _{name} -o nosort -o bashdefault -o default {name} else complete -F _{name} -o bashdefault -o default {name} fi ", name = bin_name, cmd = fn_name, name_opts = all_options_for_path(cmd, bin_name), name_opts_details = option_details_for_path(cmd, bin_name), subcmds = all_subcommands(cmd, &fn_name), subcmd_details = subcommand_details(cmd) ) .as_bytes() ); } } fn all_subcommands(cmd: &Command, parent_fn_name: &str) -> String { debug!("all_subcommands"); fn add_command( parent_fn_name: &str, cmd: &Command, subcmds: &mut Vec<(String, String, String)>, ) { let fn_name = format!( "{parent_fn_name}__{cmd_name}", parent_fn_name = parent_fn_name, cmd_name = cmd.get_name().to_string().replace('-', "__") ); subcmds.push(( parent_fn_name.to_string(), cmd.get_name().to_string(), fn_name.clone(), )); for alias in cmd.get_visible_aliases() { subcmds.push(( parent_fn_name.to_string(), alias.to_string(), fn_name.clone(), )); } for subcmd in cmd.get_subcommands() { add_command(&fn_name, subcmd, subcmds); } } let mut subcmds = vec![]; for subcmd in cmd.get_subcommands() { add_command(parent_fn_name, subcmd, &mut subcmds); } subcmds.sort(); let mut cases = vec![String::new()]; for (parent_fn_name, name, fn_name) in subcmds { cases.push(format!( "{parent_fn_name},{name}) cmd=\"{fn_name}\" ;;", )); } cases.join("\n ") } fn subcommand_details(cmd: &Command) -> String { debug!("subcommand_details"); let mut subcmd_dets = vec![String::new()]; let mut scs = utils::all_subcommands(cmd) .iter() .map(|x| x.1.replace(' ', "__")) .collect::>(); scs.sort(); subcmd_dets.extend(scs.iter().map(|sc| { format!( "{subcmd}) opts=\"{sc_opts}\" if [[ ${{cur}} == -* || ${{COMP_CWORD}} -eq {level} ]] ; then COMPREPLY=( $(compgen -W \"${{opts}}\" -- \"${{cur}}\") ) return 0 fi case \"${{prev}}\" in{opts_details} *) COMPREPLY=() ;; esac COMPREPLY=( $(compgen -W \"${{opts}}\" -- \"${{cur}}\") ) return 0 ;;", subcmd = sc.replace('-', "__"), sc_opts = all_options_for_path(cmd, sc), level = sc.split("__").map(|_| 1).sum::(), opts_details = option_details_for_path(cmd, sc) ) })); subcmd_dets.join("\n ") } fn option_details_for_path(cmd: &Command, path: &str) -> String { debug!("option_details_for_path: path={path}"); let p = utils::find_subcommand_with_path(cmd, path.split("__").skip(1).collect()); let mut opts = vec![String::new()]; for o in p.get_opts() { let compopt = match o.get_value_hint() { ValueHint::FilePath => Some("compopt -o filenames"), ValueHint::DirPath => Some("compopt -o plusdirs"), ValueHint::Other => Some("compopt -o nospace"), _ => None, }; if let Some(longs) = o.get_long_and_visible_aliases() { opts.extend(longs.iter().map(|long| { let mut v = vec![ format!("--{})", long), format!("COMPREPLY=({})", vals_for(o)), ]; if let Some(copt) = compopt { v.extend([ r#"if [[ "${BASH_VERSINFO[0]}" -ge 4 ]]; then"#.to_string(), format!(" {}", copt), "fi".to_string(), ]); } v.extend(["return 0", ";;"].iter().map(|s| s.to_string())); v.join("\n ") })); } if let Some(shorts) = o.get_short_and_visible_aliases() { opts.extend(shorts.iter().map(|short| { let mut v = vec![ format!("-{})", short), format!("COMPREPLY=({})", vals_for(o)), ]; if let Some(copt) = compopt { v.extend([ r#"if [[ "${BASH_VERSINFO[0]}" -ge 4 ]]; then"#.to_string(), format!(" {}", copt), "fi".to_string(), ]); } v.extend(["return 0", ";;"].iter().map(|s| s.to_string())); v.join("\n ") })); } } opts.join("\n ") } fn vals_for(o: &Arg) -> String { debug!("vals_for: o={}", o.get_id()); if let Some(vals) = crate::generator::utils::possible_values(o) { format!( "$(compgen -W \"{}\" -- \"${{cur}}\")", vals.iter() .filter(|pv| !pv.is_hide_set()) .map(|n| n.get_name()) .collect::>() .join(" ") ) } else if o.get_value_hint() == ValueHint::DirPath { String::from("") // should be empty to avoid duplicate candidates } else if o.get_value_hint() == ValueHint::Other { String::from("\"${cur}\"") } else { String::from("$(compgen -f \"${cur}\")") } } fn all_options_for_path(cmd: &Command, path: &str) -> String { debug!("all_options_for_path: path={path}"); let p = utils::find_subcommand_with_path(cmd, path.split("__").skip(1).collect()); let mut opts = String::new(); for short in utils::shorts_and_visible_aliases(p) { write!(&mut opts, "-{short} ").unwrap(); } for long in utils::longs_and_visible_aliases(p) { write!(&mut opts, "--{long} ").unwrap(); } for pos in p.get_positionals() { if let Some(vals) = utils::possible_values(pos) { for value in vals { write!(&mut opts, "{} ", value.get_name()).unwrap(); } } else { write!(&mut opts, "{pos} ").unwrap(); } } for (sc, _) in utils::subcommands(p) { write!(&mut opts, "{sc} ").unwrap(); } opts.pop(); opts } clap_complete-4.4.9/src/shells/elvish.rs000064400000000000000000000075571046102023000164100ustar 00000000000000use std::io::Write; use clap::builder::StyledStr; use clap::*; use crate::generator::{utils, Generator}; use crate::INTERNAL_ERROR_MSG; /// Generate elvish completion file #[derive(Copy, Clone, PartialEq, Eq, Debug)] pub struct Elvish; impl Generator for Elvish { fn file_name(&self, name: &str) -> String { format!("{name}.elv") } fn generate(&self, cmd: &Command, buf: &mut dyn Write) { let bin_name = cmd .get_bin_name() .expect("crate::generate should have set the bin_name"); let subcommands_cases = generate_inner(cmd, ""); let result = format!( r#" use builtin; use str; set edit:completion:arg-completer[{bin_name}] = {{|@words| fn spaces {{|n| builtin:repeat $n ' ' | str:join '' }} fn cand {{|text desc| edit:complex-candidate $text &display=$text' '(spaces (- 14 (wcswidth $text)))$desc }} var command = '{bin_name}' for word $words[1..-1] {{ if (str:has-prefix $word '-') {{ break }} set command = $command';'$word }} var completions = [{subcommands_cases} ] $completions[$command] }} "#, ); w!(buf, result.as_bytes()); } } // Escape string inside single quotes fn escape_string(string: &str) -> String { string.replace('\'', "''") } fn get_tooltip(help: Option<&StyledStr>, data: T) -> String { match help { Some(help) => escape_string(&help.to_string()), _ => data.to_string(), } } fn generate_inner(p: &Command, previous_command_name: &str) -> String { debug!("generate_inner"); let command_name = if previous_command_name.is_empty() { p.get_bin_name().expect(INTERNAL_ERROR_MSG).to_string() } else { format!("{};{}", previous_command_name, &p.get_name()) }; let mut completions = String::new(); let preamble = String::from("\n cand "); for option in p.get_opts() { if let Some(shorts) = option.get_short_and_visible_aliases() { let tooltip = get_tooltip(option.get_help(), shorts[0]); for short in shorts { completions.push_str(&preamble); completions.push_str(format!("-{short} '{tooltip}'").as_str()); } } if let Some(longs) = option.get_long_and_visible_aliases() { let tooltip = get_tooltip(option.get_help(), longs[0]); for long in longs { completions.push_str(&preamble); completions.push_str(format!("--{long} '{tooltip}'").as_str()); } } } for flag in utils::flags(p) { if let Some(shorts) = flag.get_short_and_visible_aliases() { let tooltip = get_tooltip(flag.get_help(), shorts[0]); for short in shorts { completions.push_str(&preamble); completions.push_str(format!("-{short} '{tooltip}'").as_str()); } } if let Some(longs) = flag.get_long_and_visible_aliases() { let tooltip = get_tooltip(flag.get_help(), longs[0]); for long in longs { completions.push_str(&preamble); completions.push_str(format!("--{long} '{tooltip}'").as_str()); } } } for subcommand in p.get_subcommands() { let data = &subcommand.get_name(); let tooltip = get_tooltip(subcommand.get_about(), data); completions.push_str(&preamble); completions.push_str(format!("{data} '{tooltip}'").as_str()); } let mut subcommands_cases = format!( r" &'{}'= {{{} }}", &command_name, completions ); for subcommand in p.get_subcommands() { let subcommand_subcommands_cases = generate_inner(subcommand, &command_name); subcommands_cases.push_str(&subcommand_subcommands_cases); } subcommands_cases } clap_complete-4.4.9/src/shells/fish.rs000064400000000000000000000154121046102023000160340ustar 00000000000000use std::io::Write; use clap::*; use crate::generator::{utils, Generator}; /// Generate fish completion file /// /// Note: The fish generator currently only supports named options (-o/--option), not positional arguments. #[derive(Copy, Clone, PartialEq, Eq, Debug)] pub struct Fish; impl Generator for Fish { fn file_name(&self, name: &str) -> String { format!("{name}.fish") } fn generate(&self, cmd: &Command, buf: &mut dyn Write) { let bin_name = cmd .get_bin_name() .expect("crate::generate should have set the bin_name"); let mut buffer = String::new(); gen_fish_inner(bin_name, &[], cmd, &mut buffer); w!(buf, buffer.as_bytes()); } } // Escape string inside single quotes fn escape_string(string: &str, escape_comma: bool) -> String { let string = string.replace('\\', "\\\\").replace('\'', "\\'"); if escape_comma { string.replace(',', "\\,") } else { string } } fn gen_fish_inner( root_command: &str, parent_commands: &[&str], cmd: &Command, buffer: &mut String, ) { debug!("gen_fish_inner"); // example : // // complete // -c {command} // -d "{description}" // -s {short} // -l {long} // -a "{possible_arguments}" // -r # if require parameter // -f # don't use file completion // -n "__fish_use_subcommand" # complete for command "myprog" // -n "__fish_seen_subcommand_from subcmd1" # complete for command "myprog subcmd1" let mut basic_template = format!("complete -c {root_command}"); if parent_commands.is_empty() { if cmd.has_subcommands() { basic_template.push_str(" -n \"__fish_use_subcommand\""); } } else { basic_template.push_str( format!( " -n \"{}\"", parent_commands .iter() .map(|command| format!("__fish_seen_subcommand_from {command}")) .chain( cmd.get_subcommands() .map(|command| format!("not __fish_seen_subcommand_from {command}")) ) .collect::>() .join("; and ") ) .as_str(), ); } debug!("gen_fish_inner: parent_commands={parent_commands:?}"); for option in cmd.get_opts() { let mut template = basic_template.clone(); if let Some(shorts) = option.get_short_and_visible_aliases() { for short in shorts { template.push_str(format!(" -s {short}").as_str()); } } if let Some(longs) = option.get_long_and_visible_aliases() { for long in longs { template.push_str(format!(" -l {}", escape_string(long, false)).as_str()); } } if let Some(data) = option.get_help() { template .push_str(format!(" -d '{}'", escape_string(&data.to_string(), false)).as_str()); } template.push_str(value_completion(option).as_str()); buffer.push_str(template.as_str()); buffer.push('\n'); } for flag in utils::flags(cmd) { let mut template = basic_template.clone(); if let Some(shorts) = flag.get_short_and_visible_aliases() { for short in shorts { template.push_str(format!(" -s {short}").as_str()); } } if let Some(longs) = flag.get_long_and_visible_aliases() { for long in longs { template.push_str(format!(" -l {}", escape_string(long, false)).as_str()); } } if let Some(data) = flag.get_help() { template .push_str(format!(" -d '{}'", escape_string(&data.to_string(), false)).as_str()); } buffer.push_str(template.as_str()); buffer.push('\n'); } for subcommand in cmd.get_subcommands() { let mut template = basic_template.clone(); template.push_str(" -f"); template.push_str(format!(" -a \"{}\"", &subcommand.get_name()).as_str()); if let Some(data) = subcommand.get_about() { template.push_str(format!(" -d '{}'", escape_string(&data.to_string(), false)).as_str()) } buffer.push_str(template.as_str()); buffer.push('\n'); } // generate options of subcommands for subcommand in cmd.get_subcommands() { let mut parent_commands: Vec<_> = parent_commands.into(); parent_commands.push(subcommand.get_name()); gen_fish_inner(root_command, &parent_commands, subcommand, buffer); } } fn value_completion(option: &Arg) -> String { if !option.get_num_args().expect("built").takes_values() { return "".to_string(); } if let Some(data) = crate::generator::utils::possible_values(option) { // We return the possible values with their own empty description e.g. {a\t,b\t} // this makes sure that a and b don't get the description of the option or argument format!( " -r -f -a \"{{{}}}\"", data.iter() .filter_map(|value| if value.is_hide_set() { None } else { // The help text after \t is wrapped in '' to make sure that the it is taken literally // and there is no command substitution or variable expansion resulting in unexpected errors Some(format!( "{}\t'{}'", escape_string(value.get_name(), true).as_str(), escape_string(&value.get_help().unwrap_or_default().to_string(), false) )) }) .collect::>() .join(",") ) } else { // NB! If you change this, please also update the table in `ValueHint` documentation. match option.get_value_hint() { ValueHint::Unknown => " -r", // fish has no built-in support to distinguish these ValueHint::AnyPath | ValueHint::FilePath | ValueHint::ExecutablePath => " -r -F", ValueHint::DirPath => " -r -f -a \"(__fish_complete_directories)\"", // It seems fish has no built-in support for completing command + arguments as // single string (CommandString). Complete just the command name. ValueHint::CommandString | ValueHint::CommandName => { " -r -f -a \"(__fish_complete_command)\"" } ValueHint::Username => " -r -f -a \"(__fish_complete_users)\"", ValueHint::Hostname => " -r -f -a \"(__fish_print_hostnames)\"", // Disable completion for others _ => " -r -f", } .to_string() } } clap_complete-4.4.9/src/shells/mod.rs000064400000000000000000000003541046102023000156610ustar 00000000000000//! Shell-specific generators mod bash; mod elvish; mod fish; mod powershell; mod shell; mod zsh; pub use bash::Bash; pub use elvish::Elvish; pub use fish::Fish; pub use powershell::PowerShell; pub use shell::Shell; pub use zsh::Zsh; clap_complete-4.4.9/src/shells/powershell.rs000064400000000000000000000103171046102023000172660ustar 00000000000000use std::io::Write; use clap::builder::StyledStr; use clap::*; use crate::generator::{utils, Generator}; use crate::INTERNAL_ERROR_MSG; /// Generate powershell completion file #[derive(Copy, Clone, PartialEq, Eq, Debug)] pub struct PowerShell; impl Generator for PowerShell { fn file_name(&self, name: &str) -> String { format!("_{name}.ps1") } fn generate(&self, cmd: &Command, buf: &mut dyn Write) { let bin_name = cmd .get_bin_name() .expect("crate::generate should have set the bin_name"); let subcommands_cases = generate_inner(cmd, ""); let result = format!( r#" using namespace System.Management.Automation using namespace System.Management.Automation.Language Register-ArgumentCompleter -Native -CommandName '{bin_name}' -ScriptBlock {{ param($wordToComplete, $commandAst, $cursorPosition) $commandElements = $commandAst.CommandElements $command = @( '{bin_name}' for ($i = 1; $i -lt $commandElements.Count; $i++) {{ $element = $commandElements[$i] if ($element -isnot [StringConstantExpressionAst] -or $element.StringConstantType -ne [StringConstantType]::BareWord -or $element.Value.StartsWith('-') -or $element.Value -eq $wordToComplete) {{ break }} $element.Value }}) -join ';' $completions = @(switch ($command) {{{subcommands_cases} }}) $completions.Where{{ $_.CompletionText -like "$wordToComplete*" }} | Sort-Object -Property ListItemText }} "# ); w!(buf, result.as_bytes()); } } // Escape string inside single quotes fn escape_string(string: &str) -> String { string.replace('\'', "''") } fn get_tooltip(help: Option<&StyledStr>, data: T) -> String { match help { Some(help) => escape_string(&help.to_string()), _ => data.to_string(), } } fn generate_inner(p: &Command, previous_command_name: &str) -> String { debug!("generate_inner"); let command_name = if previous_command_name.is_empty() { p.get_bin_name().expect(INTERNAL_ERROR_MSG).to_string() } else { format!("{};{}", previous_command_name, &p.get_name()) }; let mut completions = String::new(); let preamble = String::from("\n [CompletionResult]::new("); for option in p.get_opts() { generate_aliases(&mut completions, &preamble, option); } for flag in utils::flags(p) { generate_aliases(&mut completions, &preamble, &flag); } for subcommand in p.get_subcommands() { let data = &subcommand.get_name(); let tooltip = get_tooltip(subcommand.get_about(), data); completions.push_str(&preamble); completions.push_str( format!("'{data}', '{data}', [CompletionResultType]::ParameterValue, '{tooltip}')") .as_str(), ); } let mut subcommands_cases = format!( r" '{}' {{{} break }}", &command_name, completions ); for subcommand in p.get_subcommands() { let subcommand_subcommands_cases = generate_inner(subcommand, &command_name); subcommands_cases.push_str(&subcommand_subcommands_cases); } subcommands_cases } fn generate_aliases(completions: &mut String, preamble: &String, arg: &Arg) { use std::fmt::Write as _; if let Some(aliases) = arg.get_short_and_visible_aliases() { let tooltip = get_tooltip(arg.get_help(), aliases[0]); for alias in aliases { let _ = write!( completions, "{preamble}'-{alias}', '{alias}{}', [CompletionResultType]::ParameterName, '{tooltip}')", // make PowerShell realize there is a difference between `-s` and `-S` if alias.is_uppercase() { " " } else { "" }, ); } } if let Some(aliases) = arg.get_long_and_visible_aliases() { let tooltip = get_tooltip(arg.get_help(), aliases[0]); for alias in aliases { let _ = write!( completions, "{preamble}'--{alias}', '{alias}', [CompletionResultType]::ParameterName, '{tooltip}')" ); } } } clap_complete-4.4.9/src/shells/shell.rs000064400000000000000000000112111046102023000162030ustar 00000000000000use std::fmt::Display; use std::path::Path; use std::str::FromStr; use clap::builder::PossibleValue; use clap::ValueEnum; use crate::shells; use crate::Generator; /// Shell with auto-generated completion script available. #[derive(Clone, Copy, Debug, Eq, Hash, PartialEq)] #[non_exhaustive] pub enum Shell { /// Bourne Again SHell (bash) Bash, /// Elvish shell Elvish, /// Friendly Interactive SHell (fish) Fish, /// PowerShell PowerShell, /// Z SHell (zsh) Zsh, } impl Display for Shell { fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { self.to_possible_value() .expect("no values are skipped") .get_name() .fmt(f) } } impl FromStr for Shell { type Err = String; fn from_str(s: &str) -> Result { for variant in Self::value_variants() { if variant.to_possible_value().unwrap().matches(s, false) { return Ok(*variant); } } Err(format!("invalid variant: {s}")) } } // Hand-rolled so it can work even when `derive` feature is disabled impl ValueEnum for Shell { fn value_variants<'a>() -> &'a [Self] { &[ Shell::Bash, Shell::Elvish, Shell::Fish, Shell::PowerShell, Shell::Zsh, ] } fn to_possible_value<'a>(&self) -> Option { Some(match self { Shell::Bash => PossibleValue::new("bash"), Shell::Elvish => PossibleValue::new("elvish"), Shell::Fish => PossibleValue::new("fish"), Shell::PowerShell => PossibleValue::new("powershell"), Shell::Zsh => PossibleValue::new("zsh"), }) } } impl Generator for Shell { fn file_name(&self, name: &str) -> String { match self { Shell::Bash => shells::Bash.file_name(name), Shell::Elvish => shells::Elvish.file_name(name), Shell::Fish => shells::Fish.file_name(name), Shell::PowerShell => shells::PowerShell.file_name(name), Shell::Zsh => shells::Zsh.file_name(name), } } fn generate(&self, cmd: &clap::Command, buf: &mut dyn std::io::Write) { match self { Shell::Bash => shells::Bash.generate(cmd, buf), Shell::Elvish => shells::Elvish.generate(cmd, buf), Shell::Fish => shells::Fish.generate(cmd, buf), Shell::PowerShell => shells::PowerShell.generate(cmd, buf), Shell::Zsh => shells::Zsh.generate(cmd, buf), } } } impl Shell { /// Parse a shell from a path to the executable for the shell /// /// # Examples /// /// ``` /// use clap_complete::shells::Shell; /// /// assert_eq!(Shell::from_shell_path("/bin/bash"), Some(Shell::Bash)); /// assert_eq!(Shell::from_shell_path("/usr/bin/zsh"), Some(Shell::Zsh)); /// assert_eq!(Shell::from_shell_path("/opt/my_custom_shell"), None); /// ``` pub fn from_shell_path>(path: P) -> Option { parse_shell_from_path(path.as_ref()) } /// Determine the user's current shell from the environment /// /// This will read the SHELL environment variable and try to determine which shell is in use /// from that. /// /// If SHELL is not set, then on windows, it will default to powershell, and on /// other OSes it will return `None`. /// /// If SHELL is set, but contains a value that doesn't correspond to one of the supported shell /// types, then return `None`. /// /// # Example: /// /// ```no_run /// # use clap::Command; /// use clap_complete::{generate, shells::Shell}; /// # fn build_cli() -> Command { /// # Command::new("compl") /// # } /// let mut cmd = build_cli(); /// generate(Shell::from_env().unwrap_or(Shell::Bash), &mut cmd, "myapp", &mut std::io::stdout()); /// ``` pub fn from_env() -> Option { if let Some(env_shell) = std::env::var_os("SHELL") { Shell::from_shell_path(env_shell) } else if cfg!(windows) { Some(Shell::PowerShell) } else { None } } } // use a separate function to avoid having to monomorphize the entire function due // to from_shell_path being generic fn parse_shell_from_path(path: &Path) -> Option { let name = path.file_stem()?.to_str()?; match name { "bash" => Some(Shell::Bash), "zsh" => Some(Shell::Zsh), "fish" => Some(Shell::Fish), "elvish" => Some(Shell::Elvish), "powershell" | "powershell_ise" => Some(Shell::PowerShell), _ => None, } } clap_complete-4.4.9/src/shells/zsh.rs000064400000000000000000000517431046102023000157160ustar 00000000000000use std::io::Write; use clap::*; use crate::generator::{utils, Generator}; use crate::INTERNAL_ERROR_MSG; /// Generate zsh completion file #[derive(Copy, Clone, PartialEq, Eq, Debug)] pub struct Zsh; impl Generator for Zsh { fn file_name(&self, name: &str) -> String { format!("_{name}") } fn generate(&self, cmd: &Command, buf: &mut dyn Write) { let bin_name = cmd .get_bin_name() .expect("crate::generate should have set the bin_name"); w!( buf, format!( "#compdef {name} autoload -U is-at-least _{name}() {{ typeset -A opt_args typeset -a _arguments_options local ret=1 if is-at-least 5.2; then _arguments_options=(-s -S -C) else _arguments_options=(-s -C) fi local context curcontext=\"$curcontext\" state line {initial_args}{subcommands} }} {subcommand_details} if [ \"$funcstack[1]\" = \"_{name}\" ]; then _{name} \"$@\" else compdef _{name} {name} fi ", name = bin_name, initial_args = get_args_of(cmd, None), subcommands = get_subcommands_of(cmd), subcommand_details = subcommand_details(cmd) ) .as_bytes() ); } } // Displays the commands of a subcommand // (( $+functions[_[bin_name_underscore]_commands] )) || // _[bin_name_underscore]_commands() { // local commands; commands=( // '[arg_name]:[arg_help]' // ) // _describe -t commands '[bin_name] commands' commands "$@" // // Where the following variables are present: // [bin_name_underscore]: The full space delineated bin_name, where spaces have been replaced by // underscore characters // [arg_name]: The name of the subcommand // [arg_help]: The help message of the subcommand // [bin_name]: The full space delineated bin_name // // Here's a snippet from rustup: // // (( $+functions[_rustup_commands] )) || // _rustup_commands() { // local commands; commands=( // 'show:Show the active and installed toolchains' // 'update:Update Rust toolchains' // # ... snip for brevity // 'help:Print this message or the help of the given subcommand(s)' // ) // _describe -t commands 'rustup commands' commands "$@" // fn subcommand_details(p: &Command) -> String { debug!("subcommand_details"); let bin_name = p .get_bin_name() .expect("crate::generate should have set the bin_name"); let mut ret = vec![]; // First we do ourself let parent_text = format!( "\ (( $+functions[_{bin_name_underscore}_commands] )) || _{bin_name_underscore}_commands() {{ local commands; commands=({subcommands_and_args}) _describe -t commands '{bin_name} commands' commands \"$@\" }}", bin_name_underscore = bin_name.replace(' ', "__"), bin_name = bin_name, subcommands_and_args = subcommands_of(p) ); ret.push(parent_text); // Next we start looping through all the children, grandchildren, etc. let mut all_subcommands = utils::all_subcommands(p); all_subcommands.sort(); all_subcommands.dedup(); for (_, ref bin_name) in &all_subcommands { debug!("subcommand_details:iter: bin_name={bin_name}"); ret.push(format!( "\ (( $+functions[_{bin_name_underscore}_commands] )) || _{bin_name_underscore}_commands() {{ local commands; commands=({subcommands_and_args}) _describe -t commands '{bin_name} commands' commands \"$@\" }}", bin_name_underscore = bin_name.replace(' ', "__"), bin_name = bin_name, subcommands_and_args = subcommands_of(parser_of(p, bin_name).expect(INTERNAL_ERROR_MSG)) )); } ret.join("\n") } // Generates subcommand completions in form of // // '[arg_name]:[arg_help]' // // Where: // [arg_name]: the subcommand's name // [arg_help]: the help message of the subcommand // // A snippet from rustup: // 'show:Show the active and installed toolchains' // 'update:Update Rust toolchains' fn subcommands_of(p: &Command) -> String { debug!("subcommands_of"); let mut segments = vec![]; fn add_subcommands(subcommand: &Command, name: &str, ret: &mut Vec) { debug!("add_subcommands"); let text = format!( "'{name}:{help}' \\", name = name, help = escape_help(&subcommand.get_about().unwrap_or_default().to_string()) ); ret.push(text); } // The subcommands for command in p.get_subcommands() { debug!("subcommands_of:iter: subcommand={}", command.get_name()); add_subcommands(command, command.get_name(), &mut segments); for alias in command.get_visible_aliases() { add_subcommands(command, alias, &mut segments); } } // Surround the text with newlines for proper formatting. // We need this to prevent weirdly formatted `command=(\n \n)` sections. // When there are no (sub-)commands. if !segments.is_empty() { segments.insert(0, "".to_string()); segments.push(" ".to_string()); } segments.join("\n") } // Get's the subcommand section of a completion file // This looks roughly like: // // case $state in // ([bin_name]_args) // curcontext=\"${curcontext%:*:*}:[name_hyphen]-command-$words[1]:\" // case $line[1] in // // ([name]) // _arguments -C -s -S \ // [subcommand_args] // && ret=0 // // [RECURSIVE_CALLS] // // ;;", // // [repeat] // // esac // ;; // esac", // // Where the following variables are present: // [name] = The subcommand name in the form of "install" for "rustup toolchain install" // [bin_name] = The full space delineated bin_name such as "rustup toolchain install" // [name_hyphen] = The full space delineated bin_name, but replace spaces with hyphens // [repeat] = From the same recursive calls, but for all subcommands // [subcommand_args] = The same as zsh::get_args_of fn get_subcommands_of(parent: &Command) -> String { debug!( "get_subcommands_of: Has subcommands...{:?}", parent.has_subcommands() ); if !parent.has_subcommands() { return String::new(); } let subcommand_names = utils::subcommands(parent); let mut all_subcommands = vec![]; for (ref name, ref bin_name) in &subcommand_names { debug!( "get_subcommands_of:iter: parent={}, name={name}, bin_name={bin_name}", parent.get_name(), ); let mut segments = vec![format!("({name})")]; let subcommand_args = get_args_of( parser_of(parent, bin_name).expect(INTERNAL_ERROR_MSG), Some(parent), ); if !subcommand_args.is_empty() { segments.push(subcommand_args); } // Get the help text of all child subcommands. let children = get_subcommands_of(parser_of(parent, bin_name).expect(INTERNAL_ERROR_MSG)); if !children.is_empty() { segments.push(children); } segments.push(String::from(";;")); all_subcommands.push(segments.join("\n")); } let parent_bin_name = parent .get_bin_name() .expect("crate::generate should have set the bin_name"); format!( " case $state in ({name}) words=($line[{pos}] \"${{words[@]}}\") (( CURRENT += 1 )) curcontext=\"${{curcontext%:*:*}}:{name_hyphen}-command-$line[{pos}]:\" case $line[{pos}] in {subcommands} esac ;; esac", name = parent.get_name(), name_hyphen = parent_bin_name.replace(' ', "-"), subcommands = all_subcommands.join("\n"), pos = parent.get_positionals().count() + 1 ) } // Get the Command for a given subcommand tree. // // Given the bin_name "a b c" and the Command for "a" this returns the "c" Command. // Given the bin_name "a b c" and the Command for "b" this returns the "c" Command. fn parser_of<'cmd>(parent: &'cmd Command, bin_name: &str) -> Option<&'cmd Command> { debug!("parser_of: p={}, bin_name={}", parent.get_name(), bin_name); if bin_name == parent.get_bin_name().unwrap_or_default() { return Some(parent); } for subcommand in parent.get_subcommands() { if let Some(ret) = parser_of(subcommand, bin_name) { return Some(ret); } } None } // Writes out the args section, which ends up being the flags, opts and positionals, and a jump to // another ZSH function if there are subcommands. // The structure works like this: // ([conflicting_args]) [multiple] arg [takes_value] [[help]] [: :(possible_values)] // ^-- list '-v -h' ^--'*' ^--'+' ^-- list 'one two three' // // An example from the rustup command: // // _arguments -C -s -S \ // '(-h --help --verbose)-v[Enable verbose output]' \ // '(-V -v --version --verbose --help)-h[Print help information]' \ // # ... snip for brevity // ':: :_rustup_commands' \ # <-- displays subcommands // '*::: :->rustup' \ # <-- displays subcommand args and child subcommands // && ret=0 // // The args used for _arguments are as follows: // -C: modify the $context internal variable // -s: Allow stacking of short args (i.e. -a -b -c => -abc) // -S: Do not complete anything after '--' and treat those as argument values fn get_args_of(parent: &Command, p_global: Option<&Command>) -> String { debug!("get_args_of"); let mut segments = vec![String::from("_arguments \"${_arguments_options[@]}\" \\")]; let opts = write_opts_of(parent, p_global); let flags = write_flags_of(parent, p_global); let positionals = write_positionals_of(parent); if !opts.is_empty() { segments.push(opts); } if !flags.is_empty() { segments.push(flags); } if !positionals.is_empty() { segments.push(positionals); } if parent.has_subcommands() { let parent_bin_name = parent .get_bin_name() .expect("crate::generate should have set the bin_name"); let subcommand_bin_name = format!( "\":: :_{name}_commands\" \\", name = parent_bin_name.replace(' ', "__") ); segments.push(subcommand_bin_name); let subcommand_text = format!("\"*::: :->{name}\" \\", name = parent.get_name()); segments.push(subcommand_text); }; segments.push(String::from("&& ret=0")); segments.join("\n") } // Uses either `possible_vals` or `value_hint` to give hints about possible argument values fn value_completion(arg: &Arg) -> Option { if let Some(values) = crate::generator::utils::possible_values(arg) { if values .iter() .any(|value| !value.is_hide_set() && value.get_help().is_some()) { Some(format!( "(({}))", values .iter() .filter_map(|value| { if value.is_hide_set() { None } else { Some(format!( r#"{name}\:"{tooltip}""#, name = escape_value(value.get_name()), tooltip = escape_help(&value.get_help().unwrap_or_default().to_string()), )) } }) .collect::>() .join("\n") )) } else { Some(format!( "({})", values .iter() .filter(|pv| !pv.is_hide_set()) .map(|n| n.get_name()) .collect::>() .join(" ") )) } } else { // NB! If you change this, please also update the table in `ValueHint` documentation. Some( match arg.get_value_hint() { ValueHint::Unknown => { return None; } ValueHint::Other => "( )", ValueHint::AnyPath => "_files", ValueHint::FilePath => "_files", ValueHint::DirPath => "_files -/", ValueHint::ExecutablePath => "_absolute_command_paths", ValueHint::CommandName => "_command_names -e", ValueHint::CommandString => "_cmdstring", ValueHint::CommandWithArguments => "_cmdambivalent", ValueHint::Username => "_users", ValueHint::Hostname => "_hosts", ValueHint::Url => "_urls", ValueHint::EmailAddress => "_email_addresses", _ => { return None; } } .to_string(), ) } } /// Escape help string inside single quotes and brackets fn escape_help(string: &str) -> String { string .replace('\\', "\\\\") .replace('\'', "'\\''") .replace('[', "\\[") .replace(']', "\\]") .replace(':', "\\:") .replace('$', "\\$") .replace('`', "\\`") } /// Escape value string inside single quotes and parentheses fn escape_value(string: &str) -> String { string .replace('\\', "\\\\") .replace('\'', "'\\''") .replace('[', "\\[") .replace(']', "\\]") .replace(':', "\\:") .replace('$', "\\$") .replace('`', "\\`") .replace('(', "\\(") .replace(')', "\\)") .replace(' ', "\\ ") } fn write_opts_of(p: &Command, p_global: Option<&Command>) -> String { debug!("write_opts_of"); let mut ret = vec![]; for o in p.get_opts() { debug!("write_opts_of:iter: o={}", o.get_id()); let help = escape_help(&o.get_help().unwrap_or_default().to_string()); let conflicts = arg_conflicts(p, o, p_global); let multiple = if let ArgAction::Count | ArgAction::Append = o.get_action() { "*" } else { "" }; let vn = match o.get_value_names() { None => " ".to_string(), Some(val) => val[0].to_string(), }; let vc = match value_completion(o) { Some(val) => format!(":{vn}:{val}"), None => format!(":{vn}: "), }; let vc = vc.repeat(o.get_num_args().expect("built").min_values()); if let Some(shorts) = o.get_short_and_visible_aliases() { for short in shorts { let s = format!("'{conflicts}{multiple}-{short}+[{help}]{vc}' \\"); debug!("write_opts_of:iter: Wrote...{}", &*s); ret.push(s); } } if let Some(longs) = o.get_long_and_visible_aliases() { for long in longs { let l = format!("'{conflicts}{multiple}--{long}=[{help}]{vc}' \\"); debug!("write_opts_of:iter: Wrote...{}", &*l); ret.push(l); } } } ret.join("\n") } fn arg_conflicts(cmd: &Command, arg: &Arg, app_global: Option<&Command>) -> String { fn push_conflicts(conflicts: &[&Arg], res: &mut Vec) { for conflict in conflicts { if let Some(s) = conflict.get_short() { res.push(format!("-{s}")); } if let Some(l) = conflict.get_long() { res.push(format!("--{l}")); } } } let mut res = vec![]; match (app_global, arg.is_global_set()) { (Some(x), true) => { let conflicts = x.get_arg_conflicts_with(arg); if conflicts.is_empty() { return String::new(); } push_conflicts(&conflicts, &mut res); } (_, _) => { let conflicts = cmd.get_arg_conflicts_with(arg); if conflicts.is_empty() { return String::new(); } push_conflicts(&conflicts, &mut res); } }; format!("({})", res.join(" ")) } fn write_flags_of(p: &Command, p_global: Option<&Command>) -> String { debug!("write_flags_of;"); let mut ret = vec![]; for f in utils::flags(p) { debug!("write_flags_of:iter: f={}", f.get_id()); let help = escape_help(&f.get_help().unwrap_or_default().to_string()); let conflicts = arg_conflicts(p, &f, p_global); let multiple = if let ArgAction::Count | ArgAction::Append = f.get_action() { "*" } else { "" }; if let Some(short) = f.get_short() { let s = format!("'{conflicts}{multiple}-{short}[{help}]' \\"); debug!("write_flags_of:iter: Wrote...{}", &*s); ret.push(s); if let Some(short_aliases) = f.get_visible_short_aliases() { for alias in short_aliases { let s = format!("'{conflicts}{multiple}-{alias}[{help}]' \\",); debug!("write_flags_of:iter: Wrote...{}", &*s); ret.push(s); } } } if let Some(long) = f.get_long() { let l = format!("'{conflicts}{multiple}--{long}[{help}]' \\"); debug!("write_flags_of:iter: Wrote...{}", &*l); ret.push(l); if let Some(aliases) = f.get_visible_aliases() { for alias in aliases { let l = format!("'{conflicts}{multiple}--{alias}[{help}]' \\"); debug!("write_flags_of:iter: Wrote...{}", &*l); ret.push(l); } } } } ret.join("\n") } fn write_positionals_of(p: &Command) -> String { debug!("write_positionals_of;"); let mut ret = vec![]; // Completions for commands that end with two Vec arguments require special care. // - You can have two Vec args separated with a custom value terminator. // - You can have two Vec args with the second one set to last (raw sets last) // which will require a '--' separator to be used before the second argument // on the command-line. // // We use the '-S' _arguments option to disable completion after '--'. Thus, the // completion for the second argument in scenario (B) does not need to be emitted // because it is implicitly handled by the '-S' option. // We only need to emit the first catch-all. // // Have we already emitted a catch-all multi-valued positional argument // without a custom value terminator? let mut catch_all_emitted = false; for arg in p.get_positionals() { debug!("write_positionals_of:iter: arg={}", arg.get_id()); let num_args = arg.get_num_args().expect("built"); let is_multi_valued = num_args.max_values() > 1; if catch_all_emitted && (arg.is_last_set() || is_multi_valued) { // This is the final argument and it also takes multiple arguments. // We've already emitted a catch-all positional argument so we don't need // to emit anything for this argument because it is implicitly handled by // the use of the '-S' _arguments option. continue; } let cardinality_value; // If we have any subcommands, we'll emit a catch-all argument, so we shouldn't // emit one here. let cardinality = if is_multi_valued && !p.has_subcommands() { match arg.get_value_terminator() { Some(terminator) => { cardinality_value = format!("*{}:", escape_value(terminator)); cardinality_value.as_str() } None => { catch_all_emitted = true; "*:" } } } else if !arg.is_required_set() { ":" } else { "" }; let a = format!( "'{cardinality}:{name}{help}:{value_completion}' \\", cardinality = cardinality, name = arg.get_id(), help = arg .get_help() .map(|s| s.to_string()) .map(|v| " -- ".to_owned() + &v) .unwrap_or_else(|| "".to_owned()) .replace('[', "\\[") .replace(']', "\\]") .replace('\'', "'\\''") .replace(':', "\\:"), value_completion = value_completion(arg).unwrap_or_default() ); debug!("write_positionals_of:iter: Wrote...{a}"); ret.push(a); } ret.join("\n") } #[cfg(test)] mod tests { use crate::shells::zsh::{escape_help, escape_value}; #[test] fn test_escape_value() { let raw_string = "\\ [foo]() `bar https://$PATH"; assert_eq!( escape_value(raw_string), "\\\\\\ \\[foo\\]\\(\\)\\ \\`bar\\ https\\://\\$PATH" ) } #[test] fn test_escape_help() { let raw_string = "\\ [foo]() `bar https://$PATH"; assert_eq!( escape_help(raw_string), "\\\\ \\[foo\\]() \\`bar https\\://\\$PATH" ) } }