Dennis/footswitch-rs
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Removed all remaining unwrap() and expect() functions from main.rs

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They now make use of the messages.rs error messages.
This commit is contained in:
Dennis Potter 2018-07-27 23:43:24 +02:00
parent 1e7907358f
commit 6e05947498
2 changed files with 29 additions and 10 deletions
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26
src/main.rs
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@ -85,9 +85,18 @@ fn main() {
(0x413d , 0x2107) (0x413d , 0x2107)
]; ];
info!("Initializing HidApi. This can take a moment."); info!("Initializing HID object. This can take a moment.");
let api = match hidapi::HidApi::new() {
Ok(res) => {
info!("Succesfully initialized HID object.");
res
},
Err(_) => {
error!("Could not initialize HID object.")
},
};
let api = hidapi::HidApi::new().expect("Hidapi init failed!");
let mut dev_path = String::new(); let mut dev_path = String::new();
for device in &api.devices() { for device in &api.devices() {
@ -98,9 +107,16 @@ fn main() {
} }
} }
} }
let dev = api.open_path(dev_path.as_str()).unwrap(); let dev = match api.open_path(dev_path.as_str()) {
info!("Succesfully opened device."); Ok(res) => {
info!("Succesfully opened device.");
res
},
Err(_) => {
error!("Could not open device. Make sure your device is connected. Maybe try to reconnect it.")
},
};
// All options that need the device to be open // All options that need the device to be open

13
src/messages.rs
View File

@ -18,15 +18,18 @@ macro_rules! warning {
#[macro_export] #[macro_export]
macro_rules! error { macro_rules! error {
($($arg:tt)*) => { ($($arg:tt)*) => {
eprintln!("└ {:7} — {}", "Error".on_red().white(), format_args!($($arg)*)); {
process::exit(0); eprintln!("└ {:7} — {}", "Error".on_red().white(), format_args!($($arg)*));
println!("");
process::exit(0);
}
}; };
} }
pub fn welcome(string: &str) { pub fn welcome(string: &str) {
println!("┌{}┐", "─".repeat(string.len() + 2)); println!("┌{}┐", "─".repeat(string.len() + 20));
println!("│{text:^-width$}│", text = string, width = string.len() + 2); println!("│{text:^-width$}│", text = string, width = string.len() + 20);
println!("├{}┘", "─".repeat(string.len() + 2)); println!("├{}┘", "─".repeat(string.len() + 20));
} }
pub fn goodbye() { pub fn goodbye() {