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shell: use portable-pty crate instead of pty-rs

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This commit is contained in:
Michael Sippel 2021-09-15 15:24:39 +02:00
parent 1076d2a1e9
commit 372ef9cb77
Signed by: senvas
GPG key ID: F96CF119C34B64A6
8 changed files with 358 additions and 47 deletions
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2
nested/Cargo.toml
View file

@ -8,6 +8,8 @@ version = "0.1.0"
no_deadlocks = "*"
cgmath = { version = "0.18.0", features = ["serde"] }
termion = "1.5.5"
vte = "0.10.1"
ansi_colours = "1.0"
signal-hook = "0.3.1"
signal-hook-async-std = "0.2.0"
serde = { version = "1.0", features = ["derive"] }

2
nested/src/list/editor.rs
View file

@ -327,8 +327,6 @@ where ItemEditor: TerminalTreeEditor + ?Sized + Send + Sync + 'static,
}
);
}
} else {
self.goto_home();
}
TreeNavResult::Continue
}

292
nested/src/terminal/ansi_parser.rs Normal file
View file

@ -0,0 +1,292 @@
use {
std::{
sync::{Arc, RwLock},
pin::Pin,
fs::File,
os::unix::io::FromRawFd
},
std::io::Read,
//async_std::{io::{Read, ReadExt}},
crate::{
core::{InnerViewPort, OuterViewPort},
terminal::{
TerminalAtom,
TerminalStyle,
TerminalView
},
index::buffer::IndexBuffer
},
cgmath::Point2,
vte::{Params, Parser, Perform}
};
pub fn read_ansi_from<R: Read + Unpin>(ansi_reader: &mut R, port: InnerViewPort<dyn TerminalView>) {
let mut statemachine = Parser::new();
let mut performer = PerfAtom {
cursor: Point2::new(0, 0),
style: TerminalStyle::default(),
term_width: 200,
buf: IndexBuffer::new(port),
colors: ColorPalett {
black: (1, 1, 1),
red: (222, 56, 43),
green: (0, 64, 0),
yellow: (255, 199, 6),
blue: (0, 111, 184),
magenta: (118, 38, 113),
cyan: (44, 181, 233),
white: (204, 204, 204)
}
};
let mut buf = [0; 2048];
loop {
match ansi_reader.read(&mut buf) {
Ok(0) => break,
Ok(n) => {
for byte in &buf[..n] {
statemachine.advance(&mut performer, *byte);
}
},
Err(err) => {
println!("err: {}", err);
break;
},
}
}
}
struct ColorPalett {
black: (u8, u8, u8),
red: (u8, u8, u8),
green: (u8, u8, u8),
yellow: (u8, u8, u8),
blue: (u8, u8, u8),
magenta: (u8, u8, u8),
cyan: (u8, u8, u8),
white: (u8, u8, u8)
}
struct PerfAtom {
colors: ColorPalett,
term_width: i16,
cursor: Point2<i16>,
style: TerminalStyle,
buf: IndexBuffer<Point2<i16>, TerminalAtom>,
}
impl PerfAtom {
fn write_atom(&mut self, pos: Point2<i16>, atom: Option<TerminalAtom>) {
if let Some(a) = atom {
self.buf.insert(pos, a);
} else {
self.buf.remove(pos);
}
}
}
impl Perform for PerfAtom {
fn print(&mut self, c: char) {
//eprintln!("[print] {:?}", c);
self.write_atom(
self.cursor,
Some(TerminalAtom::new(c, self.style))
);
self.cursor.x += 1;
if self.cursor.x > self.term_width {
self.cursor.x = 0;
self.cursor.y += 1;
}
}
fn execute(&mut self, byte: u8) {
//eprintln!("[execute] {:02x}", byte);
match byte {
b'\n' => {
self.cursor.x = 0;
self.cursor.y += 1;
},
_ => {}
}
}
fn hook(&mut self, params: &Params, intermediates: &[u8], ignore: bool, c: char) {
eprintln!(
"[hook] params={:?}, intermediates={:?}, ignore={:?}, char={:?}",
params, intermediates, ignore, c
);
}
fn put(&mut self, byte: u8) {
eprintln!("[put] {:02x}", byte);
}
fn unhook(&mut self) {
eprintln!("[unhook]");
}
fn osc_dispatch(&mut self, params: &[&[u8]], bell_terminated: bool) {
eprintln!("[osc_dispatch] params={:?} bell_terminated={}", params, bell_terminated);
}
fn csi_dispatch(&mut self, params: &Params, intermediates: &[u8], ignore: bool, c: char) {
eprintln!(
"[csi_dispatch] params={:#?}, intermediates={:?}, ignore={:?}, char={:?}",
params, intermediates, ignore, c
);
let mut piter = params.into_iter();
match c {
// Set SGR
'm' => while let Some(n) = piter.next() {
match n[0] {
0 => self.style = TerminalStyle::default(),
1 => self.style = self.style.add(TerminalStyle::bold(true)),
3 => self.style = self.style.add(TerminalStyle::italic(true)),
4 => self.style = self.style.add(TerminalStyle::underline(true)),
30 => self.style = self.style.add(TerminalStyle::fg_color(self.colors.black)),
40 => self.style = self.style.add(TerminalStyle::bg_color(self.colors.black)),
31 => self.style = self.style.add(TerminalStyle::fg_color(self.colors.red)),
41 => self.style = self.style.add(TerminalStyle::bg_color(self.colors.red)),
32 => self.style = self.style.add(TerminalStyle::fg_color(self.colors.green)),
42 => self.style = self.style.add(TerminalStyle::bg_color(self.colors.green)),
33 => self.style = self.style.add(TerminalStyle::fg_color(self.colors.yellow)),
43 => self.style = self.style.add(TerminalStyle::bg_color(self.colors.yellow)),
34 => self.style = self.style.add(TerminalStyle::fg_color(self.colors.blue)),
44 => self.style = self.style.add(TerminalStyle::bg_color(self.colors.blue)),
35 => self.style = self.style.add(TerminalStyle::fg_color(self.colors.magenta)),
45 => self.style = self.style.add(TerminalStyle::bg_color(self.colors.magenta)),
36 => self.style = self.style.add(TerminalStyle::fg_color(self.colors.cyan)),
46 => self.style = self.style.add(TerminalStyle::bg_color(self.colors.cyan)),
37 => self.style = self.style.add(TerminalStyle::fg_color(self.colors.white)),
47 => self.style = self.style.add(TerminalStyle::bg_color(self.colors.white)),
38 => {
let x = piter.next().unwrap();
match x[0] {
2 => {
let r = piter.next().unwrap();
let g = piter.next().unwrap();
let b = piter.next().unwrap();
self.style = self.style.add(TerminalStyle::fg_color((r[0] as u8, g[0] as u8, b[30] as u8)))
},
5 => {
let v = piter.next().unwrap();
self.style = self.style.add(TerminalStyle::fg_color(ansi_colours::rgb_from_ansi256(v[0] as u8)))
},
_ => {}
}
},
48 => {
let x = piter.next().unwrap();
match x[0] {
2 => {
let r = piter.next().unwrap();
let g = piter.next().unwrap();
let b = piter.next().unwrap();
self.style = self.style.add(TerminalStyle::bg_color((r[0] as u8, g[0] as u8, b[30] as u8)))
},
5 => {
let v = piter.next().unwrap();
self.style = self.style.add(TerminalStyle::bg_color(ansi_colours::rgb_from_ansi256(v[0] as u8)))
},
_ => {}
}
},
_ => {}
}
},
'H' => {
if let Some(y) = piter.next() { self.cursor.y = y[0] as i16 - 1 };
if let Some(x) = piter.next() { self.cursor.x = x[0] as i16 - 1 };
eprintln!("cursor at {:?}", self.cursor);
},
'A' => { self.cursor.y -= piter.next().unwrap()[0] as i16; }
'B' => { self.cursor.y += piter.next().unwrap()[0] as i16; }
'C' => { self.cursor.x += piter.next().unwrap()[0] as i16; }
'D' => { self.cursor.x -= piter.next().unwrap()[0] as i16; }
'E' => {
self.cursor.x = 0;
self.cursor.y += piter.next().unwrap()[0] as i16;
}
'J' => {
let x = piter.next().unwrap_or(&[0 as u16; 1]);
match x[0] {
0 => {
},
1 => {
}
2 => {
for y in 0 .. 100 {
for x in 0 .. self.term_width {
self.write_atom(Point2::new(x, y), None);
}
}
}
// invalid
_ => {}
}
}
'K' => {
let x = piter.next().unwrap();
match x[0] {
// clear cursor until end
0 => {
for x in self.cursor.x .. self.term_width {
self.write_atom(Point2::new(x, self.cursor.y), None);
}
},
// clear start until cursor
1 => {
for x in 0 .. self.cursor.x {
self.write_atom(Point2::new(x, self.cursor.y), None);
}
},
// clear entire line
2 => {
for x in 0 .. self.term_width {
self.write_atom(Point2::new(x, self.cursor.y), None);
}
},
// invalid
_ => {}
}
}
_ => {}
}
}
fn esc_dispatch(&mut self, intermediates: &[u8], ignore: bool, byte: u8) {
eprintln!(
"[esc_dispatch] intermediates={:?}, ignore={:?}, byte={:02x}",
intermediates, ignore, byte
);
}
}

1
nested/src/terminal/mod.rs
View file

@ -2,6 +2,7 @@ pub mod style;
pub mod atom;
pub mod terminal;
pub mod compositor;
pub mod ansi_parser;
pub use {
style::{TerminalStyle},

2
shell/Cargo.toml
View file

@ -9,7 +9,7 @@ cgmath = "*"
termion = "*"
bincode = "*"
libc = "0.2.*"
tty = { git = "https://github.com/stemjail/tty-rs.git" }
portable-pty = "0.4.0"
[dependencies.async-std]
version = "1.9.0"

28
shell/src/expr.rs Normal file
View file

@ -0,0 +1,28 @@
use {
std::{
sync::{Arc, RwLock}
}
nested::{
core::TypeTerm,
}
};
struct ExprEditor {
editor: Arc<RwLock<dyn TerminalTreeEditor>>,
type_tag: TypeTerm
}
impl TreeNav for ExprEditor {
}
impl TerminalEditor for ExprEditor {
fn get_term_view(&self) -> OuterViewPort<dyn TerminalView> {
}
fn handle_terminal_event(&mut self, event: &TerminalEvent) -> TerminalEditorResult {
}
}

7
shell/src/main.rs
View file

@ -1,5 +1,5 @@
extern crate tty;
extern crate portable_pty;
mod monstera;
mod process;
@ -170,6 +170,7 @@ async fn main() {
}
TerminalEvent::Input(Event::Key(Key::Up)) => { process_launcher.up(); }
TerminalEvent::Input(Event::Key(Key::Down)) => {
//process_launcher.dn();
if process_launcher.dn() == TreeNavResult::Continue {
process_launcher.goto_home();
}
@ -183,12 +184,10 @@ async fn main() {
TerminalEvent::Input(Event::Key(Key::Char('\n'))) => {
let output_view = process_launcher.launch();
let range = output_view.get_view().unwrap().range();
let box_port = ViewPort::new();
let test_box = Arc::new(RwLock::new(AsciiBox {
content: Some(output_view.map_item(|_,a| a.add_style_back(TerminalStyle::fg_color((230, 230, 230)))).get_view().unwrap()),
extent: range.end - range.start + Vector2::new(1,1)
extent: Vector2::new(120,30)
}));
box_port.inner().set_view(Some(test_box.clone() as Arc<dyn TerminalView>));

69
shell/src/process.rs
View file

@ -5,7 +5,6 @@ use {
os::unix::io::{FromRawFd, AsRawFd},
},
std::sync::RwLock,
tty::{FileDesc, TtyServer},
termion::event::{Key, Event},
cgmath::Point2,
nested::{
@ -20,6 +19,7 @@ use {
string_editor::CharEditor,
}
};
use portable_pty::{CommandBuilder, PtySize, native_pty_system, PtySystem};
//<<<<>>>><<>><><<>><<<*>>><<>><><<>><<<<>>>>
@ -96,7 +96,7 @@ impl ProcessLauncher {
}
}
pub fn launch(&mut self) -> OuterViewPort<dyn TerminalView> {
pub fn launch(&mut self) -> (OuterViewPort<dyn TerminalView>) {
self.up();
self.up();
@ -109,49 +109,40 @@ impl ProcessLauncher {
}
if strings.len() > 0 {
let stdin = FileDesc::new(libc::STDIN_FILENO, false);
let mut server = match TtyServer::new(Some(&stdin)) {
Ok(s) => s,
Err(e) => { return make_label(&format!("Error TTY server: {}", e)); },
};
// Create a new pty
let mut pair = native_pty_system().openpty(PtySize {
rows: 30,
cols: 120,
// Not all systems support pixel_width, pixel_height,
// but it is good practice to set it to something
// that matches the size of the selected font. That
// is more complex than can be shown here in this
// brief example though!
pixel_width: 0,
pixel_height: 0,
}).unwrap();
let mut cmd = std::process::Command::new(strings[0].as_str());
cmd.args(&strings[1..]).stdin(std::process::Stdio::null());
// Spawn a shell into the pty
let mut cmd = CommandBuilder::new(strings[0].as_str());
cmd.args(&strings[1..]);
let process = match server.spawn(cmd) {
Ok(p) => p,
Err(e) => { return make_label(&format!("Failed to execute process: {}", e));},
};
if let Ok(child) = pair.slave.spawn_command(cmd) {
// Read and parse output from the pty with reader
let mut reader = pair.master.try_clone_reader().unwrap();
if let Ok(mut term_view_proc) = std::process::Command::new("./target/release/ansi_parser")
.stdin(unsafe{ std::process::Stdio::from_raw_fd(server.get_master().as_raw_fd()) })
.stdout(std::process::Stdio::piped())
.stderr(std::process::Stdio::null())
.spawn()
{
let mut term_view_bin = term_view_proc.stdout.unwrap();
/*
//let mut term_view_bin = async_std::io::BufReader::new(unsafe { async_std::fs::File::from_raw_fd( term_view_proc.stdout.unwrap().as_raw_fd() ) } );
//let mut tv_stream = async_bincode::AsyncBincodeReader::<_, (Point2<i16>, Option<TerminalAtom>)>::from(term_view_bin);
// Send data to the pty by writing to the master
//writeln!(pair.master, "ls -l\r\n");
async_std::task::spawn(
async move {
*/
let port = ViewPort::new();
let p = port.inner();
async_std::task::spawn_blocking(
move || {
nested::terminal::ansi_parser::read_ansi_from(&mut reader, p);
});
let output_view_port = ViewPort::new();
let mut output_buf = IndexBuffer::new(output_view_port.inner());
while let Ok((pos, atom)) = bincode::deserialize_from(&mut term_view_bin) {
if let Some(a) = atom {
output_buf.insert(pos, a);
} else {
output_buf.remove(pos);
}
}
// });
output_view_port.outer()
port.into_outer()
} else {
make_label("Failed to spawn ansi parser process")
make_label("invalid command")
.map_item(|idx, a| a.add_style_back(TerminalStyle::fg_color((200,0,0))))
}
} else {