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