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// 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.
extern crate log;
use clap::{Arg, App};
use index::{Line, Column};
const DEFAULT_TITLE: &'static str = "Alacritty";
/// Options specified on the command line
pub struct Options {
pub print_events: bool,
pub ref_test: bool,
pub columns: Column,
pub lines: Line,
pub title: String,
pub log_level: log::LogLevelFilter
}
impl Default for Options {
fn default() -> Options {
Options {
print_events: false,
ref_test: false,
columns: Column(80),
lines: Line(24),
title: DEFAULT_TITLE.to_owned(),
log_level: log::LogLevelFilter::Warn
}
}
}
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("print-events")
.long("print-events"))
.arg(Arg::with_name("dimensions")
.long("dimensions")
.short("d")
.value_names(&["columns", "lines"])
.help("Defines the window dimensions [default: 80x24]"))
.arg(Arg::with_name("title")
.long("title")
.short("t")
.default_value(DEFAULT_TITLE)
.help("Defines the window title"))
.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)"))
.get_matches();
if matches.is_present("ref-test") {
options.ref_test = true;
}
if matches.is_present("print-events") {
options.print_events = true;
}
if let Some(mut dimensions) = matches.values_of("dimensions") {
dimensions.next().map(|w| w.parse().map(|w| options.columns = Column(w)));
dimensions.next().map(|h| h.parse().map(|h| options.lines = Line(h)));
}
if let Some(title) = matches.value_of("title") {
options.title = title.to_owned();
}
match matches.occurrences_of("q") {
0 => {},
1 => options.log_level = log::LogLevelFilter::Error,
2 | _ => options.log_level = log::LogLevelFilter::Off
}
match matches.occurrences_of("v") {
0 => {},
1 => options.log_level = log::LogLevelFilter::Info,
2 => options.log_level = log::LogLevelFilter::Debug,
3 | _ => options.log_level = log::LogLevelFilter::Trace
}
options
}
pub fn lines_u32(&self) -> u32 {
self.lines.0 as u32
}
pub fn columns_u32(&self) -> u32 {
self.columns.0 as u32
}
}
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