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This commit is contained in:
FantasyPvP
2023-03-13 00:30:52 +00:00
parent 90d36d0471
commit 78144a4f60
2 changed files with 22 additions and 46 deletions
+5 -4
View File
@@ -1,6 +1,7 @@
pub mod calc;
pub mod rickroll;
pub mod crystalfetch;
pub mod tasks;
pub mod crystal_rpg;
pub mod shell;
pub mod crystalfetch;
pub mod rickroll;
pub mod shell;
pub mod shellrewrite;
pub mod tasks;
+17 -42
View File
@@ -1,4 +1,3 @@
// importing libraries
use async_trait::async_trait;
use lazy_static::lazy_static;
@@ -12,14 +11,13 @@ use alloc::{
};
use crate::{
kernel::tasks::{Task, Executor},
applications::*,
kernel::tasks::{executor::Executor, Task},
std::application::{Application, Error},
std::io::{stdin, print, println},
std::io::{print, println, stdin},
user::bin::*,
};
use super::*;
// [ CRYSTAL SHELL ]
// the purpose of this module is to provide a basic unix shell like experience for the user
@@ -32,15 +30,11 @@ use crate::{
// - chained execution ( multiple commands linked together) eg: '5 + 5 | echo' which calculates
// the result of 5 + 5 and then sends the result to an echo command which prints it to console
/// initialises a global tasks struct, this can be accessed from anywhere in the program;
lazy_static! {
pub static ref TASKS: Mutex<Vec<Task>> = Mutex::new(Vec::new());
}
/// starts the shell
/// this function should be directly called by main.rs or by an init system
pub fn init_sh(args: Option<Vec<String>>) -> Result<(), String> {
@@ -48,7 +42,7 @@ pub fn init_sh(args: Option<Vec<String>>) -> Result<(), String> {
loop {
executor.spawn(Task::new(next()));
let tasks = TASKS.lock();
while tasks.len() > 0 {
let next = tasks[0].clone();
@@ -57,70 +51,51 @@ pub fn init_sh(args: Option<Vec<String>>) -> Result<(), String> {
}
drop(tasks);
executor.run();
executor.try_run();
}
Ok(())
}
fn parse_args(command: String) -> Result<(String, Vec<String>), String> {
let mut args: Vec<String> = Vec::new();
for arg in command.split(" ").collect::<Vec<&str>>() {
match arg {
"" => {}
x => args.push(x.to_string()),
}
}
let cmd: String;
if args.len() > 0 {
cmd = args[0].clone();
args.remove(0);
} else {
return Err("command was empty.".to_string());
};
Ok((cmd, args))
}
fn run_binary(binary: Application) -> Result<Vec<String>, String> {
binary.run()
Ok(Vec::<String::new()>)
}
//fn run_binary(binary: dyn Application) -> Result<Vec<String>, String> {
// binary.run();
// Ok(Vec::<String::new()>)
//}
async fn next() {
let command: String = stdin();
let parsed = match parse_args(command) {
Ok(x) -> x
Err(e) -> {
Ok(x) => x,
Err(e) => {
println!("Error Parsing Command: Invalid Syntax")
}
}
};
// tokens will eventually be parsed here
/*
- PARSER
- this will allow the use of more complex commands later down the line
*/
TASKS.lock().push(Task::new(cmd));
TASKS.lock().push(Task::new(parsed));
}