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// This file is part of Germ <https://github.com/gemrest/sydney>.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 3.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
// Copyright (C) 2022-2022 Fuwn <[email protected]>
// SPDX-License-Identifier: GPL-3.0-only
pub enum Command {
Quit,
Open(Option<String>),
Unknown,
Wrap(u16, Option<String>),
Help,
}
impl From<String> for Command {
fn from(s: String) -> Self {
let mut tokens = s.split(' ');
match tokens.next() {
Some("open" | "o") => Self::Open(tokens.next().map(ToString::to_string)),
Some("quit" | "q") => Self::Quit,
Some("wrap") =>
tokens.next().map_or_else(
|| {
Self::Wrap(
80,
Some("Missing width argument to wrap command".to_string()),
)
},
|at| {
match at.parse() {
Ok(at_parsed) =>
Self::Wrap(
if at_parsed == 0 {
crossterm::terminal::size().unwrap_or((80, 24)).0
} else {
at_parsed
},
None,
),
Err(error) => Self::Wrap(80, Some(error.to_string())),
}
},
),
Some("help" | "h") => Self::Help,
_ => Self::Unknown,
}
}
}
|