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]
|
||||
|
||||
[[package]]
|
||||
name = "wasm-bindgen-shared"
|
||||
version = "0.2.97"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "6ee99da9c5ba11bd675621338ef6fa52296b76b83305e9b6e5c77d4c286d6d49"
|
||||
|
||||
[[package]]
|
||||
name = "web-sys"
|
||||
version = "0.3.74"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "a98bc3c33f0fe7e59ad7cd041b89034fa82a7c2d4365ca538dda6cdaf513863c"
|
||||
dependencies = [
|
||||
"js-sys",
|
||||
"wasm-bindgen",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "whoami"
|
||||
version = "1.5.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "372d5b87f58ec45c384ba03563b03544dc5fadc3983e434b286913f5b4a9bb6d"
|
||||
dependencies = [
|
||||
"redox_syscall",
|
||||
"wasite",
|
||||
"web-sys",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "windows-sys"
|
||||
version = "0.52.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "282be5f36a8ce781fad8c8ae18fa3f9beff57ec1b52cb3de0789201425d9a33d"
|
||||
dependencies = [
|
||||
"windows-targets",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "windows-targets"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "9b724f72796e036ab90c1021d4780d4d3d648aca59e491e6b98e725b84e99973"
|
||||
dependencies = [
|
||||
"windows_aarch64_gnullvm",
|
||||
"windows_aarch64_msvc",
|
||||
"windows_i686_gnu",
|
||||
"windows_i686_gnullvm",
|
||||
"windows_i686_msvc",
|
||||
"windows_x86_64_gnu",
|
||||
"windows_x86_64_gnullvm",
|
||||
"windows_x86_64_msvc",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "windows_aarch64_gnullvm"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "32a4622180e7a0ec044bb555404c800bc9fd9ec262ec147edd5989ccd0c02cd3"
|
||||
|
||||
[[package]]
|
||||
name = "windows_aarch64_msvc"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "09ec2a7bb152e2252b53fa7803150007879548bc709c039df7627cabbd05d469"
|
||||
|
||||
[[package]]
|
||||
name = "windows_i686_gnu"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "8e9b5ad5ab802e97eb8e295ac6720e509ee4c243f69d781394014ebfe8bbfa0b"
|
||||
|
||||
[[package]]
|
||||
name = "windows_i686_gnullvm"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "0eee52d38c090b3caa76c563b86c3a4bd71ef1a819287c19d586d7334ae8ed66"
|
||||
|
||||
[[package]]
|
||||
name = "windows_i686_msvc"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "240948bc05c5e7c6dabba28bf89d89ffce3e303022809e73deaefe4f6ec56c66"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_gnu"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "147a5c80aabfbf0c7d901cb5895d1de30ef2907eb21fbbab29ca94c5b08b1a78"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_gnullvm"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "24d5b23dc417412679681396f2b49f3de8c1473deb516bd34410872eff51ed0d"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_msvc"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
|
||||
12
Cargo.toml
Normal file
12
Cargo.toml
Normal file
@ -0,0 +1,12 @@
|
||||
[package]
|
||||
name = "liblambdashell"
|
||||
version = "0.1.0"
|
||||
edition = "2021"
|
||||
|
||||
[dependencies]
|
||||
color-print = "0.3.7"
|
||||
const_format = "0.2.33"
|
||||
home = "0.5.9"
|
||||
mlua = { version = "0.10.0", features = ["luau-jit"] }
|
||||
uzers = "0.12.1"
|
||||
whoami = "1.5.2"
|
||||
162
src/commands.rs
Normal file
162
src/commands.rs
Normal file
@ -0,0 +1,162 @@
|
||||
use uzers::User;
|
||||
use std::{
|
||||
io,
|
||||
process,
|
||||
str::SplitWhitespace,
|
||||
path::{Path, PathBuf},
|
||||
};
|
||||
|
||||
enum ValidStatus {
|
||||
NoRootFolder,
|
||||
TryExists(io::Error)
|
||||
}
|
||||
|
||||
trait PathBufIsValid {
|
||||
fn is_valid(&self) -> Result<PathBuf, ValidStatus>;
|
||||
fn is_valid_or_home(&self) -> Option<PathBuf>;
|
||||
}
|
||||
|
||||
trait ChangeDirectory {
|
||||
fn change_directory(&self, args: SplitWhitespace) -> Option<PathBuf>;
|
||||
fn set_current_dir(&self, new_path: &Path) -> Option<PathBuf>;
|
||||
fn specific_user_dir(&self, user: String) -> Option<PathBuf>;
|
||||
fn cd_args(&self, vec_args: Vec<String>) -> Option<PathBuf>;
|
||||
fn previous_dir(&self) -> Option<PathBuf>;
|
||||
fn home_dir(&self) -> Option<PathBuf>;
|
||||
}
|
||||
|
||||
impl PathBufIsValid for PathBuf {
|
||||
fn is_valid(&self) -> Result<PathBuf, ValidStatus> {
|
||||
match self.try_exists() {
|
||||
Ok(root_folder_exist) => match root_folder_exist {
|
||||
true => Ok(self.to_path_buf()),
|
||||
false => Err(ValidStatus::NoRootFolder)
|
||||
},
|
||||
Err(trye_error) => Err(ValidStatus::TryExists(trye_error))
|
||||
}
|
||||
}
|
||||
|
||||
fn is_valid_or_home(&self) -> Option<PathBuf> {
|
||||
match self.is_valid() {
|
||||
Ok(valid) => Some(valid),
|
||||
Err(valid_status) => {
|
||||
match valid_status {
|
||||
ValidStatus::NoRootFolder => println!("cd: /root: No such file or directory"),
|
||||
ValidStatus::TryExists(error) => println!("cd: {error}"),
|
||||
};
|
||||
None
|
||||
},
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl ChangeDirectory for Command {
|
||||
fn set_current_dir(&self, new_path: &Path) -> Option<PathBuf> {
|
||||
match std::env::set_current_dir(new_path) {
|
||||
Ok(()) => Some(new_path.to_path_buf()),
|
||||
Err(set_cd_err) => {
|
||||
println!("{set_cd_err}");
|
||||
None
|
||||
},
|
||||
}
|
||||
}
|
||||
|
||||
fn home_dir(&self) -> Option<PathBuf> {
|
||||
match home::home_dir() {
|
||||
Some(home_path_buf) => self.set_current_dir(&home_path_buf),
|
||||
None => self.set_current_dir(Path::new("/")),
|
||||
}
|
||||
}
|
||||
|
||||
fn previous_dir(&self) -> Option<PathBuf> {
|
||||
unimplemented!()
|
||||
}
|
||||
|
||||
fn specific_user_dir(&self, requested_user: String) -> Option<PathBuf> {
|
||||
match requested_user.as_str() {
|
||||
"root" => PathBuf::from("/root").is_valid_or_home(),
|
||||
_ => {
|
||||
for user in unsafe { uzers::all_users().collect::<Vec<User>>() } {
|
||||
let user_name = user.name();
|
||||
if *requested_user == *user_name {
|
||||
let mut user_dir = PathBuf::from("/home");
|
||||
user_dir.push(user_name);
|
||||
return user_dir.is_valid_or_home();
|
||||
}
|
||||
}
|
||||
None
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn cd_args(&self, vec_args: Vec<String>) -> Option<PathBuf> {
|
||||
let string_path = vec_args.concat();
|
||||
let new_path = Path::new(string_path.as_str());
|
||||
match new_path.is_dir() {
|
||||
true => self.set_current_dir(new_path),
|
||||
false => {
|
||||
match new_path.file_name() {
|
||||
Some(file_name) => println!("cd: {:?} is not a directory.", file_name),
|
||||
None => println!("cd: Failed to resolve the file name of a file that is not a directory."),
|
||||
}
|
||||
None
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn change_directory(&self, args: SplitWhitespace) -> Option<PathBuf> {
|
||||
let vec_args: Vec<String> = args.map(|arg| arg.to_string()).collect();
|
||||
match vec_args.first() {
|
||||
Some(arg) => match arg.as_str() {
|
||||
"/" => self.set_current_dir(Path::new("/")),
|
||||
"-" => self.previous_dir(),
|
||||
_ => {
|
||||
let mut arg_chars = arg.chars();
|
||||
match arg_chars.next() {
|
||||
Some(char) => match char == '~' {
|
||||
true => self.specific_user_dir(arg_chars.collect::<String>()),
|
||||
false => self.cd_args(vec_args),
|
||||
},
|
||||
None => self.home_dir(),
|
||||
}
|
||||
}
|
||||
},
|
||||
None => self.home_dir(),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pub type ProcessExitStatus = Option<process::ExitStatus>;
|
||||
pub struct Command(String);
|
||||
impl Command {
|
||||
pub fn new(input: String) -> Self {
|
||||
Self(input)
|
||||
}
|
||||
|
||||
pub fn spawn(&self, command_process: io::Result<process::Child>) -> ProcessExitStatus {
|
||||
match command_process {
|
||||
Ok(mut child) => Some(match child.wait() {
|
||||
Ok(exit_status) => exit_status,
|
||||
Err(exit_status_err) => {
|
||||
println!("{exit_status_err}");
|
||||
return None;
|
||||
}
|
||||
}),
|
||||
Err(e) => {
|
||||
println!("{e}");
|
||||
return None;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pub fn exec(&self) -> ProcessExitStatus {
|
||||
let mut args = self.0.split_whitespace();
|
||||
args.next().and_then(|command| match command {
|
||||
"cd" => {
|
||||
Self::change_directory(self, args);
|
||||
None
|
||||
}
|
||||
command => self.spawn(process::Command::new(command).args(args).spawn()),
|
||||
})
|
||||
}
|
||||
}
|
||||
6
src/lib.rs
Normal file
6
src/lib.rs
Normal file
@ -0,0 +1,6 @@
|
||||
pub const VERSION: &str = env!("CARGO_PKG_VERSION");
|
||||
|
||||
pub mod shell;
|
||||
mod commands;
|
||||
mod ps;
|
||||
mod rc;
|
||||
26
src/ps.rs
Normal file
26
src/ps.rs
Normal file
@ -0,0 +1,26 @@
|
||||
use const_format::formatcp;
|
||||
use color_print::{cformat, cprint};
|
||||
|
||||
pub const DEFAULT_PS: &str = formatcp!("lambdashell-{}", env!("CARGO_PKG_VERSION"));
|
||||
|
||||
pub fn working_dir_name() -> String {
|
||||
match std::env::current_dir() {
|
||||
Ok(pathbuf) => match pathbuf.file_name() {
|
||||
Some(name) => {
|
||||
let name_os_string = name.to_os_string();
|
||||
match name_os_string == whoami::username_os() && name_os_string != "root" {
|
||||
true => "~".to_string(),
|
||||
false => name.to_string_lossy().to_string(),
|
||||
}
|
||||
}
|
||||
None => "?".to_string(),
|
||||
},
|
||||
Err(_) => "?".to_string(),
|
||||
}
|
||||
}
|
||||
|
||||
pub fn display(ps1: &String) {
|
||||
// let exit_status = shell_storage.command_exit_status.map(|s| format!(" [{s}] ")).unwrap_or(" ".to_string());
|
||||
let working_dir_name = cformat!(" <bold>{}</> ", working_dir_name());
|
||||
cprint!("{}{}λ ", ps1, working_dir_name);
|
||||
}
|
||||
44
src/rc.rs
Normal file
44
src/rc.rs
Normal file
@ -0,0 +1,44 @@
|
||||
use std::{io, path::PathBuf};
|
||||
|
||||
pub enum RcError {
|
||||
FolderMissing,
|
||||
FolderTryExists(io::Error)
|
||||
}
|
||||
|
||||
trait is_valid {
|
||||
fn is_valid(&self) -> Option<PathBuf>;
|
||||
}
|
||||
|
||||
impl is_valid for PathBuf {
|
||||
fn is_valid(&self) -> Option<PathBuf> {
|
||||
let try_exists = match self.try_exists() {
|
||||
Ok(config_exist) => match config_exist {
|
||||
true => Ok(self.to_path_buf()),
|
||||
false => Err(RcError::FolderMissing),
|
||||
},
|
||||
Err(trye_error) => Err(RcError::FolderTryExists(trye_error)),
|
||||
};
|
||||
match try_exists {
|
||||
Ok(file) => Some(file.to_path_buf()),
|
||||
Err(rc_error) => match rc_error {
|
||||
RcError::FolderMissing => todo!(),
|
||||
RcError::FolderTryExists(error) => {
|
||||
println!("{error}");
|
||||
None
|
||||
},
|
||||
},
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn dot_config_folder() -> Option<PathBuf> {
|
||||
let mut config = home::home_dir()?;
|
||||
config.push(".config");
|
||||
config.is_valid()
|
||||
}
|
||||
|
||||
fn rc_folder() -> Option<PathBuf> {
|
||||
let mut dot_config = dot_config_folder()?;
|
||||
dot_config.push("lambdashell");
|
||||
dot_config.is_valid()
|
||||
}
|
||||
75
src/shell.rs
Normal file
75
src/shell.rs
Normal file
@ -0,0 +1,75 @@
|
||||
use crate::{ps, commands};
|
||||
use std::io;
|
||||
|
||||
pub struct Config {
|
||||
pub norc: bool
|
||||
}
|
||||
|
||||
pub struct LambdaShell {
|
||||
terminating: bool,
|
||||
storage: Storage,
|
||||
config: Config,
|
||||
}
|
||||
|
||||
struct Storage {
|
||||
pub command_exit_status: commands::ProcessExitStatus,
|
||||
pub ps1: String,
|
||||
}
|
||||
|
||||
impl LambdaShell {
|
||||
pub fn create(config: Config) -> Self {
|
||||
Self {
|
||||
storage: Storage {
|
||||
command_exit_status: None,
|
||||
ps1: ps::DEFAULT_PS.to_string(),
|
||||
},
|
||||
terminating: false,
|
||||
config,
|
||||
}
|
||||
}
|
||||
|
||||
fn input(&mut self) {
|
||||
let mut input = String::new();
|
||||
match io::stdin().read_line(&mut input) {
|
||||
Ok(_size) => {
|
||||
let trimmed_input = input.trim();
|
||||
match trimmed_input {
|
||||
//special casey
|
||||
"exit" => self.terminating = true,
|
||||
_ => self.storage.command_exit_status = commands::Command::new(trimmed_input.to_string()).exec()
|
||||
};
|
||||
}
|
||||
Err(read_error) => println!("{read_error}"),
|
||||
};
|
||||
}
|
||||
|
||||
pub fn wait(&mut self) -> Result<(), io::Error> {
|
||||
match io::Write::flush(&mut io::stdout()) {
|
||||
Ok(()) => {
|
||||
self.input();
|
||||
Ok(())
|
||||
}
|
||||
Err(flush_error) => {
|
||||
println!("{flush_error}");
|
||||
Err(flush_error)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pub fn start(&mut self) {
|
||||
ps::display(&self.storage.ps1);
|
||||
|
||||
loop {
|
||||
match self.terminating {
|
||||
true => break,
|
||||
false => match self.wait() {
|
||||
Ok(()) => ps::display(&self.storage.ps1),
|
||||
Err(flush_error) => {
|
||||
println!("{flush_error}");
|
||||
break;
|
||||
}
|
||||
},
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user