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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.
use std::env;
use index::{Line, Column};
/// Options specified on the command line
pub struct Options {
pub ref_test: bool,
pub columns: Column,
pub lines: Line,
pub title: String
}
impl Default for Options {
fn default() -> Options {
Options {
ref_test: false,
columns: Column(80),
lines: Line(24),
title: "Alacritty".to_owned()
}
}
}
impl Options {
/// Iterate through env::args() to build `Options`
pub fn load() -> Options {
let mut options = Options::default();
let mut args_iter = env::args();
while let Some(arg) = args_iter.next() {
match &arg[..] {
// Generate ref test
"--ref-test" => options.ref_test = true,
// Set dimensions
"-d" | "--dimensions" => {
args_iter.next()
.map(|w| w.parse().map(|w| options.columns = Column(w)));
args_iter.next()
.map(|h| h.parse().map(|h| options.lines = Line(h)));
},
"-t" | "--title" => {
args_iter.next().map(|t| options.title = t);
},
// ignore unexpected
_ => (),
}
}
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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