Split alacritty into a separate crates

The crate containing the entry point is called alacritty, and the crate
containing everything else is called alacritty_terminal.

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()))
+    }
+}