rs-kilo/src/main.rs

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#[macro_use]
extern crate bitflags;
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#[macro_use]
extern crate lazy_static;
pub mod editor;
pub mod terminal_helpers;
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use crate::editor::Editor;
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use crate::terminal_helpers::*;
use nix::libc::STDOUT_FILENO;
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use nix::sys::termios::Termios;
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use std::env;
use std::io::Error;
use std::result::Result;
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use std::sync::{Arc, Mutex};
// Much ugliness to get and keep a reference to the original terminal settings
lazy_static! {
// Save terminal flags on start
pub static ref ORIGINAL_TERMIOS: Arc<Mutex<Termios>> = Arc::new(Mutex::new(get_termios(STDOUT_FILENO)));
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}
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fn main() -> Result<(), Error> {
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let args: Vec<String> = env::args().collect();
// Disable canonical/"cooked" terminal mode
enable_raw_mode();
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// Initialize the editor
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let mut editor = Editor::new();
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// Open the file if specified, from the command line
if args.len() >= 2 {
editor.open(&args[1])?;
}
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editor.set_status_message("HELP: Ctrl-S = save | Ctrl-Q = quit | Ctrl-F = find");
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let mut skip_refresh: bool = false;
// Main input loop. Editor::process_keypress uses an Option Enum as a sentinel.
// `None` is returned on a quit action, in other cases, `Some(())` is returned,
// continuing the loop
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loop {
editor.refresh_screen(skip_refresh);
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match editor.process_keypress() {
Some(key) => {
match key {
editor::KeyCode::OtherKey('\0') => {
skip_refresh = true;
}
_ => {
skip_refresh = false;
//println!("{:?}\r\n", key)
}
}
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}
None => break,
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}
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}
// Restore previous terminal flags before exit
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disable_raw_mode();
Ok(())
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}