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620ba2bbe8
Co-authored-by: crapStone <crapstone01@gmail.com> Reviewed-on: https://codeberg.org/crapStone/lamp/pulls/6
83 lines
2.9 KiB
Rust
83 lines
2.9 KiB
Rust
// This file is part of the "lamp" program.
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// Copyright (C) 2022 crapStone
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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mod cli;
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mod controllers;
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use std::process::exit;
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use controllers::{Controller, LinController, LogController, RawController};
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use crate::cli::build_cli;
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fn main() {
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let app = build_cli();
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let matches = app.get_matches();
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let (default_ctrl, ctrls) = controllers::get_controllers();
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let p = match matches.value_of("controller") {
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Some(ctrl) => {
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let p = ctrls.get(ctrl);
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if p == None {
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eprintln!("no device with name '{ctrl}' found");
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eprintln!("use --list to ge a list of all available devices");
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exit(exitcode::DATAERR);
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}
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p.unwrap().to_owned()
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}
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None => ctrls.get(&default_ctrl).unwrap().to_owned(),
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};
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let controller: Box<dyn Controller> = match matches.value_of("ctrl_type") {
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Some("raw") => Box::new(RawController::new(p)),
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Some("lin") => Box::new(LinController::new(p)),
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Some("log") => Box::new(LogController::new(p)),
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Some(_) | None => panic!("{ERROR_MSG}"),
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};
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if matches.is_present("list") {
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println!("{default_ctrl} [default]");
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for ctrl in ctrls.keys() {
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if ctrl != &default_ctrl {
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println!("{ctrl}");
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}
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}
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exit(exitcode::OK);
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} else if let Some(value) = matches.value_of("set") {
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let new_value = value.parse::<u32>().unwrap();
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controller.set_brightness(new_value);
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} else if let Some(value) = matches.value_of("inc") {
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let new_value = controller.get_brightness() + value.parse::<u32>().unwrap();
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controller.set_brightness(new_value.min(controller.get_max_brightness()));
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} else if let Some(value) = matches.value_of("dec") {
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let new_value = controller.get_brightness() - value.parse::<u32>().unwrap();
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controller.set_brightness(new_value.max(0));
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} else if matches.is_present("get") {
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println!("{}", controller.get_brightness());
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} else if matches.is_present("zero") {
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controller.set_brightness(0);
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} else if matches.is_present("full") {
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controller.set_brightness(controller.get_max_brightness());
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} else {
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build_cli().print_long_help().unwrap();
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}
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exit(exitcode::OK);
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}
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// https://xkcd.com/2200/
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const ERROR_MSG: &str = r#"
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ERROR!
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If you're seeing this, the code is in what I thought was an unreachable state.
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I could give you advice for what to do. but honestly, why should you trust me?
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I clearly screwed this up. I'm writing a message that should never appear,
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yet I know it will probably appear someday.
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On a deep level, I know I'm not up to this task. I'm so sorry.
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"#;
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