bendns' repos / pattypan
small software-rendered rust tty
Diffstat (limited to 'src/term.rs')
-rw-r--r--src/term.rs66
1 files changed, 66 insertions, 0 deletions
diff --git a/src/term.rs b/src/term.rs
new file mode 100644
index 0000000..f337a75
--- /dev/null
+++ b/src/term.rs
@@ -0,0 +1,66 @@
+use ctlfun::TerminalInput::*;
+use ctlfun::{ControlFunction, TerminalInputParser};
+
+pub struct Terminal {
+ pub cursor: (u16, u16),
+ pub size: (u16, u16),
+ pub scrollback: Scrollback,
+ pub cells: Vec<Cell>,
+ pub p: TerminalInputParser,
+ pub mode: Mode,
+}
+pub enum Mode {
+ Normal,
+ Raw,
+}
+#[derive(Default)]
+pub struct Scrollback {
+ // invariant: len() / t.size.w == height
+ pub history: Vec<Cell>,
+ pub height: u16,
+}
+impl Scrollback {}
+
+#[derive(Clone, Copy)]
+pub struct Cell {
+ pub bg: [u8; 3],
+ pub color: [u8; 3],
+ pub style: u8,
+ pub letter: Option<char>,
+}
+
+impl Terminal {
+ pub fn rx(&mut self, x: u8) {
+ match self.p.parse_byte(x) {
+ Continue => {}
+ Char(x) => {
+ self.cursor.0 += 1;
+ self.cells[(self.cursor.1 * self.size.0 + self.cursor.0)
+ as usize]
+ .letter = Some(x);
+ }
+ Control(ControlFunction { start: b'\r', .. }) => {
+ self.cursor.0 = 1;
+ }
+ Control(ControlFunction { start: b'\n', .. }) => {
+ self.cursor.1 += 1;
+ }
+ Control(x) => {
+ println!(
+ "{} {:?} {} {}",
+ x.start as char,
+ x.params
+ .iter()
+ .map(|x| match x {
+ ctlfun::Parameter::Default => 0,
+ ctlfun::Parameter::Value(x) => *x,
+ })
+ .collect::<Vec<_>>(),
+ String::from_utf8_lossy(&x.bytes),
+ x.end as char,
+ );
+ }
+ _ => unreachable!(),
+ }
+ }
+}