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Diffstat (limited to 'alacritty_terminal/src/cli.rs')
| -rw-r--r-- | alacritty_terminal/src/cli.rs | 243 |
1 files changed, 243 insertions, 0 deletions
diff --git a/alacritty_terminal/src/cli.rs b/alacritty_terminal/src/cli.rs new file mode 100644 index 00000000..2cddbc82 --- /dev/null +++ b/alacritty_terminal/src/cli.rs @@ -0,0 +1,243 @@ +// Copyright 2016 Joe Wilm, The Alacritty Project Contributors +// +// 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. +use ::log; +use clap::{crate_authors, crate_description, crate_name, crate_version, App, Arg}; + +use crate::config::{Delta, Dimensions, Shell}; +use crate::index::{Column, Line}; +use crate::window::DEFAULT_NAME; +use std::borrow::Cow; +use std::path::{Path, PathBuf}; + +/// Options specified on the command line +pub struct Options { + pub live_config_reload: Option<bool>, + pub print_events: bool, + pub ref_test: bool, + pub dimensions: Option<Dimensions>, + pub position: Option<Delta<i32>>, + pub title: Option<String>, + pub class: Option<String>, + pub log_level: log::LevelFilter, + pub command: Option<Shell<'static>>, + pub working_dir: Option<PathBuf>, + pub config: Option<PathBuf>, + pub persistent_logging: bool, +} + +impl Default for Options { + fn default() -> Options { + Options { + live_config_reload: None, + print_events: false, + ref_test: false, + dimensions: None, + position: None, + title: None, + class: None, + log_level: log::LevelFilter::Warn, + command: None, + working_dir: None, + config: None, + persistent_logging: false, + } + } +} + +impl Options { + /// Build `Options` from command line arguments + pub fn load() -> Options { + let mut options = Options::default(); + + let matches = App::new(crate_name!()) + .version(crate_version!()) + .author(crate_authors!("\n")) + .about(crate_description!()) + .arg(Arg::with_name("ref-test").long("ref-test").help("Generates ref test")) + .arg( + Arg::with_name("live-config-reload") + .long("live-config-reload") + .help("Enable automatic config reloading"), + ) + .arg( + Arg::with_name("no-live-config-reload") + .long("no-live-config-reload") + .help("Disable automatic config reloading") + .conflicts_with("live-config-reload"), + ) + .arg( + Arg::with_name("print-events") + .long("print-events") + .help("Print all events to stdout"), + ) + .arg( + Arg::with_name("persistent-logging") + .long("persistent-logging") + .help("Keep the log file after quitting Alacritty"), + ) + .arg( + Arg::with_name("dimensions") + .long("dimensions") + .short("d") + .value_names(&["columns", "lines"]) + .help( + "Defines the window dimensions. Falls back to size specified by window \ + manager if set to 0x0 [default: 0x0]", + ), + ) + .arg( + Arg::with_name("position") + .long("position") + .allow_hyphen_values(true) + .value_names(&["x-pos", "y-pos"]) + .help( + "Defines the window position. Falls back to position specified by window \ + manager if unset [default: unset]", + ), + ) + .arg( + Arg::with_name("title") + .long("title") + .short("t") + .takes_value(true) + .help(&format!("Defines the window title [default: {}]", DEFAULT_NAME)), + ) + .arg( + Arg::with_name("class") + .long("class") + .takes_value(true) + .help(&format!("Defines window class on Linux [default: {}]", DEFAULT_NAME)), + ) + .arg( + Arg::with_name("q") + .short("q") + .multiple(true) + .conflicts_with("v") + .help("Reduces the level of verbosity (the min level is -qq)"), + ) + .arg( + Arg::with_name("v") + .short("v") + .multiple(true) + .conflicts_with("q") + .help("Increases the level of verbosity (the max level is -vvv)"), + ) + .arg( + Arg::with_name("working-directory") + .long("working-directory") + .takes_value(true) + .help("Start the shell in the specified working directory"), + ) + .arg(Arg::with_name("config-file").long("config-file").takes_value(true).help( + "Specify alternative configuration file [default: \ + $XDG_CONFIG_HOME/alacritty/alacritty.yml]", + )) + .arg( + Arg::with_name("command") + .long("command") + .short("e") + .multiple(true) + .takes_value(true) + .min_values(1) + .allow_hyphen_values(true) + .help("Command and args to execute (must be last argument)"), + ) + .get_matches(); + + if matches.is_present("ref-test") { + options.ref_test = true; + } + + if matches.is_present("print-events") { + options.print_events = true; + } + + if matches.is_present("live-config-reload") { + options.live_config_reload = Some(true); + } else if matches.is_present("no-live-config-reload") { + options.live_config_reload = Some(false); + } + + if matches.is_present("persistent-logging") { + options.persistent_logging = true; + } + + if let Some(mut dimensions) = matches.values_of("dimensions") { + let width = dimensions.next().map(|w| w.parse().map(Column)); + let height = dimensions.next().map(|h| h.parse().map(Line)); + if let (Some(Ok(width)), Some(Ok(height))) = (width, height) { + options.dimensions = Some(Dimensions::new(width, height)); + } + } + + if let Some(mut position) = matches.values_of("position") { + let x = position.next().map(str::parse); + let y = position.next().map(str::parse); + if let (Some(Ok(x)), Some(Ok(y))) = (x, y) { + options.position = Some(Delta { x, y }); + } + } + + options.class = matches.value_of("class").map(ToOwned::to_owned); + options.title = matches.value_of("title").map(ToOwned::to_owned); + + match matches.occurrences_of("q") { + 0 => {}, + 1 => options.log_level = log::LevelFilter::Error, + 2 | _ => options.log_level = log::LevelFilter::Off, + } + + match matches.occurrences_of("v") { + 0 if !options.print_events => {}, + 0 | 1 => options.log_level = log::LevelFilter::Info, + 2 => options.log_level = log::LevelFilter::Debug, + 3 | _ => options.log_level = log::LevelFilter::Trace, + } + + if let Some(dir) = matches.value_of("working-directory") { + options.working_dir = Some(PathBuf::from(dir.to_string())); + } + + if let Some(path) = matches.value_of("config-file") { + options.config = Some(PathBuf::from(path.to_string())); + } + + if let Some(mut args) = matches.values_of("command") { + // The following unwrap is guaranteed to succeed. + // If 'command' exists it must also have a first item since + // Arg::min_values(1) is set. + let command = String::from(args.next().unwrap()); + let args = args.map(String::from).collect(); + options.command = Some(Shell::new_with_args(command, args)); + } + + options + } + + pub fn dimensions(&self) -> Option<Dimensions> { + self.dimensions + } + + pub fn position(&self) -> Option<Delta<i32>> { + self.position + } + + pub fn command(&self) -> Option<&Shell<'_>> { + self.command.as_ref() + } + + pub fn config_path(&self) -> Option<Cow<'_, Path>> { + self.config.as_ref().map(|p| Cow::Borrowed(p.as_path())) + } +} |