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improve ansi parsing

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This commit is contained in:
Michael Sippel 2021-11-07 17:42:36 +01:00
parent 05a189a2bb
commit 4ad8316636
Signed by: senvas
GPG key ID: F96CF119C34B64A6
1 changed files with 140 additions and 106 deletions
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142
nested/src/terminal/ansi_parser.rs
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@ -26,7 +26,8 @@ pub fn read_ansi_from<R: Read + Unpin>(ansi_reader: &mut R, port: InnerViewPort<
let mut performer = PerfAtom {
cursor: Point2::new(0, 0),
style: TerminalStyle::default(),
term_width: 180,
invert: false,
term_width: 80,
cursor_stack: Vec::new(),
@ -62,7 +63,6 @@ pub fn read_ansi_from<R: Read + Unpin>(ansi_reader: &mut R, port: InnerViewPort<
}
}
struct ColorPalett {
black: (u8, u8, u8),
red: (u8, u8, u8),
@ -80,7 +80,7 @@ struct PerfAtom {
cursor: Point2<i16>,
style: TerminalStyle,
invert: bool,
cursor_stack: Vec<Point2<i16>>,
buf: IndexBuffer<Point2<i16>, TerminalAtom>,
@ -88,31 +88,41 @@ struct PerfAtom {
impl PerfAtom {
fn write_atom(&mut self, pos: Point2<i16>, atom: Option<TerminalAtom>) {
if let Some(a) = atom {
if let Some(mut a) = atom {
self.buf.insert(pos, a);
} else {
self.buf.remove(pos);
}
}
fn get_style(&self) -> TerminalStyle {
let mut style = self.style;
if self.invert {
style.fg_color = Some(self.style.bg_color.unwrap_or(self.colors.black));
style.bg_color = Some(self.style.fg_color.unwrap_or(self.colors.white));
}
style
}
fn cursor_up(&mut self, n: usize) {
}
fn cursor_down(&mut self, n: usize) {
}
}
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.write_atom(self.cursor, Some(TerminalAtom::new(c, self.get_style())));
self.cursor.x += 1;
if self.cursor.x > self.term_width {
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 {
// linefeed
b'\n' => {
@ -138,7 +148,10 @@ impl Perform for PerfAtom {
self.cursor.x = self.term_width - 1;
}
}
_ => {}
_ => {
eprintln!("unhandled execute byte {:02x}", byte);
}
}
}
@ -177,10 +190,15 @@ impl Perform for PerfAtom {
// Set SGR
'm' => while let Some(n) = piter.next() {
match n[0] {
0 => self.style = TerminalStyle::default(),
0 => {
self.style = TerminalStyle::default();
self.invert = false;
}
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)),
7 => self.invert = true,
27 => self.invert = false,
30 => self.style = self.style.add(TerminalStyle::fg_color(self.colors.black)),
40 => self.style = self.style.add(TerminalStyle::bg_color(self.colors.black)),
@ -215,7 +233,6 @@ impl Perform for PerfAtom {
_ => {}
}
},
48 => {
let x = piter.next().unwrap();
match x[0] {
@ -235,40 +252,55 @@ impl Perform for PerfAtom {
_ => {}
}
},
'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' => {
}
'@' => {
for x in self.cursor.x .. self.term_width {
self.write_atom(Point2::new(x, self.cursor.y), Some(TerminalAtom::new(' ', self.style)));
}
}
'A' => {
self.cursor.y -= piter.next().unwrap_or(&[1])[0] as i16;
}
'B' => {
self.cursor.y += piter.next().unwrap_or(&[1])[0] as i16;
if self.cursor.x >= self.term_width {
self.cursor.x = 0;
self.cursor.y += piter.next().unwrap()[0] as i16;
}
}
'C' => {
self.cursor.x += piter.next().unwrap_or(&[1])[0] as i16;
if self.cursor.x >= self.term_width {
self.cursor.x = 0;
}
}
'D' => {
self.cursor.x -= piter.next().unwrap_or(&[1])[0] as i16;
if self.cursor.x < 0 {
self.cursor.x = self.term_width - 1;
self.cursor.y -= 1;
}
}
'd' => {
self.cursor.y = piter.next().unwrap_or(&[1])[0] as i16 - 1;
}
'E' => {
if self.cursor.x >= self.term_width {
self.cursor.y += 1;
}
self.cursor.x = 0;
self.cursor.y += piter.next().unwrap_or(&[1])[0] as i16;
}
'F' => {
self.cursor.x = 0;
self.cursor.y -= piter.next().unwrap()[0] as i16;
self.cursor.y -= piter.next().unwrap_or(&[1])[0] as i16;
}
'G' => {
self.cursor.x = piter.next().unwrap()[0] as i16 - 1;
}
's' => {
self.cursor_stack.push(self.cursor);
'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 };
}
'u' => {
if let Some(c) = self.cursor_stack.pop() {
self.cursor = c;
}
}
'J' => {
let x = piter.next().unwrap_or(&[0 as u16; 1]);
match x[0] {
@ -311,35 +343,36 @@ impl Perform for PerfAtom {
self.write_atom(Point2::new(x, y), None);
}
}
self.cursor = Point2::new(0, 0);
}
// invalid
_ => {}
}
}
'K' => {
let x = piter.next().unwrap();
let x = piter.next().unwrap_or(&[0]);
match x[0] {
// clear cursor until end
// clear from cursor until end of line
0 => {
for x in self.cursor.x .. self.term_width {
self.write_atom(Point2::new(x, self.cursor.y), None);
self.write_atom(Point2::new(x, self.cursor.y), Some(TerminalAtom::new(' ', self.get_style())));
}
},
// clear start until cursor
// clear from start of line until cursor
1 => {
for x in 0 .. self.cursor.x {
self.write_atom(Point2::new(x, self.cursor.y), None);
self.write_atom(Point2::new(x, self.cursor.y), Some(TerminalAtom::new(' ', self.get_style())));
}
},
// clear entire line
2 => {
for x in 0 .. self.term_width {
self.write_atom(Point2::new(x, self.cursor.y), None);
self.write_atom(Point2::new(x, self.cursor.y), Some(TerminalAtom::new(' ', self.get_style())));
}
},
@ -347,6 +380,14 @@ impl Perform for PerfAtom {
_ => {}
}
}
's' => {
self.cursor_stack.push(self.cursor);
}
'u' => {
if let Some(c) = self.cursor_stack.pop() {
self.cursor = c;
}
}
_ => {}
}
@ -358,14 +399,7 @@ impl Perform for PerfAtom {
"[esc_dispatch] intermediates={:?}, ignore={:?}, byte={:02x}",
intermediates, ignore, byte
);
*/
match byte {
_ => {}
}
*/
}
}