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use crate::symfony::console::output::OutputInterface;
use crate::symfony::console::output::output_interface;
use std::cell::RefCell;
use std::rc::Rc;
#[derive(Debug)]
pub struct Cursor {
output: Rc<RefCell<dyn OutputInterface>>,
input: shirabe_php_shim::PhpMixed,
}
impl Cursor {
pub fn new(
output: Rc<RefCell<dyn OutputInterface>>,
input: Option<shirabe_php_shim::PhpMixed>,
) -> Self {
let input = input.unwrap_or_else(|| {
if shirabe_php_shim::defined("STDIN") {
// PHP uses the `STDIN` resource constant here, but the shim models it as
// `PhpResource` while this field is `PhpMixed` (which has no resource
// variant). Fall back to opening `php://input` so the value stays a
// PhpMixed stream handle.
shirabe_php_shim::fopen("php://input", "r+")
} else {
shirabe_php_shim::fopen("php://input", "r+")
}
});
Self { output, input }
}
pub fn move_up(&self, lines: i64) -> &Self {
self.output.borrow().write(
&[shirabe_php_shim::sprintf(
"\x1b[%dA",
&[shirabe_php_shim::PhpMixed::Int(lines)],
)],
false,
output_interface::OUTPUT_NORMAL,
);
self
}
pub fn move_down(&self, lines: i64) -> &Self {
self.output.borrow().write(
&[shirabe_php_shim::sprintf(
"\x1b[%dB",
&[shirabe_php_shim::PhpMixed::Int(lines)],
)],
false,
output_interface::OUTPUT_NORMAL,
);
self
}
pub fn move_right(&self, columns: i64) -> &Self {
self.output.borrow().write(
&[shirabe_php_shim::sprintf(
"\x1b[%dC",
&[shirabe_php_shim::PhpMixed::Int(columns)],
)],
false,
output_interface::OUTPUT_NORMAL,
);
self
}
pub fn move_left(&self, columns: i64) -> &Self {
self.output.borrow().write(
&[shirabe_php_shim::sprintf(
"\x1b[%dD",
&[shirabe_php_shim::PhpMixed::Int(columns)],
)],
false,
output_interface::OUTPUT_NORMAL,
);
self
}
pub fn move_to_column(&self, column: i64) -> &Self {
self.output.borrow().write(
&[shirabe_php_shim::sprintf(
"\x1b[%dG",
&[shirabe_php_shim::PhpMixed::Int(column)],
)],
false,
output_interface::OUTPUT_NORMAL,
);
self
}
pub fn move_to_position(&self, column: i64, row: i64) -> &Self {
self.output.borrow().write(
&[shirabe_php_shim::sprintf(
"\x1b[%d;%dH",
&[
shirabe_php_shim::PhpMixed::Int(row + 1),
shirabe_php_shim::PhpMixed::Int(column),
],
)],
false,
output_interface::OUTPUT_NORMAL,
);
self
}
pub fn save_position(&self) -> &Self {
self.output.borrow().write(
&["\x1b7".to_string()],
false,
output_interface::OUTPUT_NORMAL,
);
self
}
pub fn restore_position(&self) -> &Self {
self.output.borrow().write(
&["\x1b8".to_string()],
false,
output_interface::OUTPUT_NORMAL,
);
self
}
pub fn hide(&self) -> &Self {
self.output.borrow().write(
&["\x1b[?25l".to_string()],
false,
output_interface::OUTPUT_NORMAL,
);
self
}
pub fn show(&self) -> &Self {
self.output.borrow().write(
&["\x1b[?25h\x1b[?0c".to_string()],
false,
output_interface::OUTPUT_NORMAL,
);
self
}
/// Clears all the output from the current line.
pub fn clear_line(&self) -> &Self {
self.output.borrow().write(
&["\x1b[2K".to_string()],
false,
output_interface::OUTPUT_NORMAL,
);
self
}
/// Clears all the output from the current line after the current position.
pub fn clear_line_after(&self) -> &Self {
self.output.borrow().write(
&["\x1b[K".to_string()],
false,
output_interface::OUTPUT_NORMAL,
);
self
}
/// Clears all the output from the cursors' current position to the end of the screen.
pub fn clear_output(&self) -> &Self {
self.output.borrow().write(
&["\x1b[0J".to_string()],
false,
output_interface::OUTPUT_NORMAL,
);
self
}
/// Clears the entire screen.
pub fn clear_screen(&self) -> &Self {
self.output.borrow().write(
&["\x1b[2J".to_string()],
false,
output_interface::OUTPUT_NORMAL,
);
self
}
/// Returns the current cursor position as x,y coordinates.
pub fn get_current_position(&self) -> Vec<i64> {
static IS_TTY_SUPPORTED: std::sync::OnceLock<bool> = std::sync::OnceLock::new();
let is_tty_supported = if shirabe_php_shim::function_exists("proc_open") {
*IS_TTY_SUPPORTED.get_or_init(|| {
let mut pipes = shirabe_php_shim::PhpMixed::Null;
shirabe_php_shim::proc_open(
"echo 1 >/dev/null",
&vec![
shirabe_php_shim::PhpMixed::List(vec![
Box::new(shirabe_php_shim::PhpMixed::String("file".to_string())),
Box::new(shirabe_php_shim::PhpMixed::String("/dev/tty".to_string())),
Box::new(shirabe_php_shim::PhpMixed::String("r".to_string())),
]),
shirabe_php_shim::PhpMixed::List(vec![
Box::new(shirabe_php_shim::PhpMixed::String("file".to_string())),
Box::new(shirabe_php_shim::PhpMixed::String("/dev/tty".to_string())),
Box::new(shirabe_php_shim::PhpMixed::String("w".to_string())),
]),
shirabe_php_shim::PhpMixed::List(vec![
Box::new(shirabe_php_shim::PhpMixed::String("file".to_string())),
Box::new(shirabe_php_shim::PhpMixed::String("/dev/tty".to_string())),
Box::new(shirabe_php_shim::PhpMixed::String("w".to_string())),
]),
],
&mut pipes,
)
})
} else {
false
};
if !is_tty_supported {
return vec![1, 1];
}
let stty_mode = shirabe_php_shim::shell_exec("stty -g");
shirabe_php_shim::shell_exec("stty -icanon -echo");
shirabe_php_shim::fwrite(self.input.clone(), "\x1b[6n", 0);
let code = shirabe_php_shim::trim(
shirabe_php_shim::fread(self.input.clone(), 1024)
.as_deref()
.unwrap_or(""),
None,
);
shirabe_php_shim::shell_exec(&shirabe_php_shim::sprintf(
"stty %s",
&[shirabe_php_shim::PhpMixed::String(
stty_mode.unwrap_or_default(),
)],
));
let mut row: i64 = 0;
let mut col: i64 = 0;
shirabe_php_shim::sscanf(&code, "\x1b[%d;%dR", &mut row, &mut col);
vec![col, row]
}
}
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