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use crate::commands::{self, JoshutoCommand, JoshutoRunnable};
use crate::context::JoshutoContext;
use crate::error::JoshutoError;
use crate::textfield::JoshutoTextField;
use crate::ui;
use crate::window::JoshutoView;
#[derive(Clone, Debug)]
pub struct CommandLine {
pub prefix: String,
pub suffix: String,
}
impl CommandLine {
pub fn new(prefix: String, suffix: String) -> Self {
CommandLine { prefix, suffix }
}
pub const fn command() -> &'static str {
"console"
}
pub fn readline(
&self,
context: &mut JoshutoContext,
view: &JoshutoView,
) -> Result<(), JoshutoError> {
const PROMPT: &str = ":";
let (term_rows, term_cols) = ui::getmaxyx();
let user_input: Option<String> = {
let textfield = JoshutoTextField::new(
1,
term_cols,
(term_rows as usize - 1, 0),
PROMPT.to_string(),
self.prefix.clone(),
self.suffix.clone(),
);
textfield.readline()
};
if let Some(s) = user_input {
let trimmed = s.trim_start();
match trimmed.find(' ') {
Some(ind) => {
let (command, xs) = trimmed.split_at(ind);
let xs = xs.trim_start();
let wexp = wordexp::wordexp(xs, wordexp::Wordexp::new(0), 0);
let args: Vec<&str> = match wexp.as_ref() {
Ok(wexp) => wexp.iter().collect(),
Err(_) => Vec::new(),
};
match commands::from_args(command, &args) {
Ok(s) => s.execute(context, view),
Err(e) => Err(JoshutoError::Keymap(e)),
}
}
None => match commands::from_args(trimmed, &Vec::new()) {
Ok(s) => s.execute(context, view),
Err(e) => Err(JoshutoError::Keymap(e)),
},
}
} else {
Ok(())
}
}
pub fn readline_with(
context: &mut JoshutoContext,
view: &JoshutoView,
textfield: JoshutoTextField,
) -> Result<(), JoshutoError> {
drop(textfield);
Ok(())
}
}
impl JoshutoCommand for CommandLine {}
impl std::fmt::Display for CommandLine {
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
write!(f, "{}: {} {}", Self::command(), self.prefix, self.suffix)
}
}
impl JoshutoRunnable for CommandLine {
fn execute(
&self,
context: &mut JoshutoContext,
view: &JoshutoView,
) -> Result<(), JoshutoError> {
let res = self.readline(context, view);
ncurses::doupdate();
res
}
}
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