sfja.skp/web-stack-project
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sdl works

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This commit is contained in:
SimonFJ20 2023-01-20 16:10:18 +01:00
parent 15baba8cbb
commit 086fcf6dd9
3 changed files with 83 additions and 27 deletions
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10
README.md
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@ -1,3 +1,13 @@
# web-stack-project
## Dependencies
SDL2, SDL-mixer and SDL-image
### Debian
```
sudo apt install libsdl2-2.0-0 libsdl2-dev libsdl2-image-2.0-0 libsdl2-image-dev libsdl2-mixer-2.0-0 libsdl2-mixer-dev
```

60
src/bong/parser.rs
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@ -40,7 +40,9 @@ impl Parser {
}
}
fn parse_element(&mut self) -> Result<Node, ParserError> {}
fn parse_element(&mut self) -> Result<Node, ParserError> {
todo!()
}
fn parse_value(&mut self) -> Result<Node, ParserError> {
match self.current() {
@ -70,19 +72,20 @@ impl Parser {
Ok(Node::Object(values))
}
Some(t @ (Token::Name(_) | Token::String(_))) => {
let key = match t {
Token::Name(v) => v,
Token::String(v) => &v[1..v.len() - 1].to_string(),
_ => panic!("checked by previous predicate"),
};
self.step();
match self.current() {
Some(Token::Equal(_) | Token::Colon(_)) => {}
_ => return Err("expected ':' or '='".to_string()),
}
self.step();
values[key] = Box::new(self.parse_value()?);
self.parse_object_tail(values)
// let key = match t {
// Token::Name(v) => v,
// Token::String(v) => &v[1..v.len() - 1].to_string(),
// _ => panic!("checked by previous predicate"),
// };
// self.step();
// match self.current() {
// Some(Token::Equal(_) | Token::Colon(_)) => {}
// _ => return Err("expected ':' or '='".to_string()),
// }
// self.step();
// values[key] = Box::new(self.parse_value()?);
// self.parse_object_tail(values)
todo!()
}
_ => Err("expected Name, String or '}'".to_string()),
}
@ -103,18 +106,19 @@ impl Parser {
break Ok(Node::Object(values));
}
Some(t @ (Token::Name(_) | Token::String(_))) => {
let key = match t {
Token::Name(v) => v,
Token::String(v) => &v[1..v.len() - 1].to_string(),
_ => panic!("unterminated object, checked by previous predicate"),
};
self.step();
match self.current() {
Some(Token::Equal(_) | Token::Colon(_)) => {}
_ => return Err("expected ':' or '='".to_string()),
}
self.step();
values[key] = Box::new(self.parse_value()?);
// let key = match t {
// Token::Name(v) => v,
// Token::String(v) => &v[1..v.len() - 1].to_string(),
// _ => panic!("unterminated object, checked by previous predicate"),
// };
// self.step();
// match self.current() {
// Some(Token::Equal(_) | Token::Colon(_)) => {}
// _ => return Err("expected ':' or '='".to_string()),
// }
// self.step();
// values[key] = Box::new(self.parse_value()?);
todo!()
}
_ => {
break Err(
@ -136,6 +140,10 @@ impl Parser {
self.step();
Ok(Node::Array(values))
}
Some(_) => {
values.push(self.parse_value()?);
todo!()
}
_ => Err("unterminated array, expected Value or ']'".to_string()),
}
}

40
src/main.rs
View File

@ -1,5 +1,43 @@
use std::time::Duration;
use sdl2::{event::Event, keyboard::Keycode, pixels::Color};
mod bong;
fn main() {
println!("Hello, world!");
let sdl_context = sdl2::init().unwrap();
let video_subsystem = sdl_context.video().unwrap();
let window = video_subsystem
.window("rust-sdl2 demo", 800, 600)
.position_centered()
.build()
.unwrap();
let mut canvas = window.into_canvas().build().unwrap();
canvas.set_draw_color(Color::RGB(0, 255, 255));
canvas.clear();
canvas.present();
let mut event_pump = sdl_context.event_pump().unwrap();
let mut i = 0;
'running: loop {
i = (i + 1) % 255;
canvas.set_draw_color(Color::RGB(i, 64, 255 - i));
canvas.clear();
for event in event_pump.poll_iter() {
match event {
Event::Quit { .. }
| Event::KeyDown {
keycode: Some(Keycode::Escape),
..
} => break 'running,
_ => {}
}
}
// The rest of the game loop goes here...
canvas.present();
::std::thread::sleep(Duration::new(0, 1_000_000_000u32 / 60));
}
}