wip: vstc console

Cargo.lock

@@ -889,6 +889,12 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "numtoa"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b8f8bdf33df195859076e54ab11ee78a1b208382d3a26ec40d142ffc1ecc49ef"
+
 [[package]]
 name = "object"
 version = "0.28.3"
@@ -1199,6 +1205,15 @@ dependencies = [
  "bitflags",
 ]
 
+[[package]]
+name = "redox_termios"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8440d8acb4fd3d277125b4bd01a6f38aee8d814b3b5fc09b3f2b825d37d3fe8f"
+dependencies = [
+ "redox_syscall",
+]
+
 [[package]]
 name = "regex"
 version = "1.5.5"
@@ -2196,6 +2211,18 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "termion"
+version = "2.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "659c1f379f3408c7e5e84c7d0da6d93404e3800b6b9d063ba24436419302ec90"
+dependencies = [
+ "libc",
+ "numtoa",
+ "redox_syscall",
+ "redox_termios",
+]
+
 [[package]]
 name = "textwrap"
 version = "0.15.0"
@@ -2453,6 +2480,7 @@ dependencies = [
  "serde",
  "serde_qs",
  "storage",
+ "termion",
  "url",
  "valuescript_compiler",
  "valuescript_vm",

concept-code/console/ConsoleApp.ts

@@ -0,0 +1,7 @@
+type ConsoleApp<Db, View> = {
+  createView(): View;
+  render: (this: { db: Db, view: View }) => string;
+  onKeyDown: (this: { db: Db, view: View }, key: string) => void;
+};
+
+export default ConsoleApp;

concept-code/console/Counter.ts

@@ -0,0 +1,42 @@
+import ConsoleApp from "./ConsoleApp.ts";
+
+type View = {
+  offset: number;
+};
+
+export default class ConsoleAppDemo
+  implements ConsoleApp<ConsoleAppDemo, View> {
+  value = 0;
+
+  createView(): View {
+    return { offset: 0 };
+  }
+
+  render = function (this: { db: ConsoleAppDemo; view: View }) {
+    return `${" ".repeat(this.view.offset)}${this.db.value}`;
+  };
+
+  onKeyDown = function (this: { db: ConsoleAppDemo; view: View }, key: string) {
+    switch (key) {
+      case "ArrowLeft": {
+        this.view.offset = Math.max(0, this.view.offset - 1);
+        break;
+      }
+
+      case "ArrowRight": {
+        this.view.offset++;
+        break;
+      }
+
+      case "ArrowUp": {
+        this.db.value++;
+        break;
+      }
+
+      case "ArrowDown": {
+        this.db.value--;
+        break;
+      }
+    }
+  };
+}

vstc/Cargo.toml

@@ -12,3 +12,4 @@ storage = { path = "../storage" }
 url = "2.2.1"
 serde = "1.0"
 serde_qs = "0.8.0"
+termion = "2.0.1"

vstc/src/console_command.rs

@@ -0,0 +1,30 @@
+// use storage::{SledBackend, Storage};
+
+pub fn console_command(args: &[String]) {
+  // let mut storage = Storage::new(SledBackend::open("./state.vsdb").unwrap());
+
+  match args.get(0).map(String::as_str) {
+    Some("help") => show_help(),
+    Some("new") => todo!(),
+    Some("start") => todo!(),
+    _ => todo!(),
+  }
+}
+
+fn show_help() {
+  println!("vstc console");
+  println!();
+  println!("ValueScript console applications");
+  println!();
+  println!("USAGE:");
+  println!("  vstc console [COMMAND] [ARGS]");
+  println!();
+  println!("Commands:");
+  println!("  help, -h, --help          Show this message");
+  println!("  new [CLASS_FILE] [ARGS]   Create a new console app");
+  println!("  start [APP_FILE] [ARGS]   Start an existing console app");
+  println!();
+  println!("Examples:");
+  println!("  vstc console new Tetris.ts       Create a tetris game");
+  println!("  vstc console start tetris.vsdb   Start tetris");
+}

vstc/src/main.rs

@@ -1,10 +1,12 @@
 mod assemble_command;
 mod compile_command;
+mod console_command;
 mod db_command;
 mod handle_diagnostics_cli;
 mod parse_command_line;
 mod resolve_entry_path;
 mod run_command;
+mod termion_test;
 mod test_inputs;
 mod to_bytecode;
 
@@ -13,8 +15,10 @@ use std::process::exit;
 
 use assemble_command::assemble_command;
 use compile_command::compile_command;
+use console_command::console_command;
 use db_command::db_command;
 use run_command::run_command;
+use termion_test::termion_test;
 
 fn main() {
   let args: Vec<String> = env::args().collect();
@@ -25,6 +29,8 @@ fn main() {
     Some("run") => run_command(&args),
     Some("compile") => compile_command(&args),
     Some("db") => db_command(&args),
+    Some("termion") => termion_test(),
+    Some("console") => console_command(&args),
     _ => {
       println!("ERROR: Unrecognized command\n");
       show_help();

vstc/src/termion_test.rs

@@ -0,0 +1,32 @@
+use std::io::{stdin, stdout, Write};
+use termion::event::{Event, Key, MouseEvent};
+use termion::input::{MouseTerminal, TermRead};
+use termion::raw::IntoRawMode;
+
+pub fn termion_test() {
+  let stdin = stdin();
+  let mut stdout = MouseTerminal::from(stdout().into_raw_mode().unwrap());
+
+  write!(
+    stdout,
+    "{}{}q to exit. Click, click, click!",
+    termion::clear::All,
+    termion::cursor::Goto(1, 1)
+  )
+  .unwrap();
+  stdout.flush().unwrap();
+
+  for c in stdin.events() {
+    let evt = c.unwrap();
+    match evt {
+      Event::Key(Key::Char('q')) => break,
+      Event::Mouse(me) => {
+        if let MouseEvent::Press(_, x, y) = me {
+          write!(stdout, "{}x", termion::cursor::Goto(x, y)).unwrap();
+        }
+      }
+      _ => {}
+    }
+    stdout.flush().unwrap();
+  }
+}