various QOL updates

ableos/src/handle.rs

@@ -15,6 +15,7 @@ pub struct BinaryData {
 pub enum HandleResource {
     Channel(Channel),
     // Device
+    /// Used for things like files or images or the like
     BinaryData(BinaryData),
 }
 

ableos/src/scratchpad.rs

@@ -1,8 +1,8 @@
 use core::fmt::Error;
 
 // use crate::aalloc::aalloc;
-use crate::arch::generate_process_pass;
 use crate::arch::interrupts::{reset_pit_for_cpu, set_pit_2};
+use crate::arch::{generate_process_pass, shutdown};
 use crate::channels::{Channel, ChannelPermission};
 use crate::devices::pci;
 use crate::filesystem::FILE_SYSTEM;
@@ -15,8 +15,12 @@ use acpi::{AcpiTables, PlatformInfo};
 use alloc::collections::{vec_deque, VecDeque};
 use cpuio::inb;
 use cpuio::outb;
-use genfs::Fs;
+use ext2::fs::sync::{DirectoryEntry, Synced};
+use ext2::fs::Ext2;
+use ext2::sector::Size1024;
+use ext2::sys::inode;
 use genfs::OpenOptions;
+use genfs::{DirEntry, Fs};
 use kernel::proccess::PID;
 use vga::writers::GraphicsWriter;
 
@@ -68,13 +72,13 @@ pub fn scratchpad() {
 }";
     let axel = axel::parse(axel_raw.to_string());
 
-    let xyz = pci::brute_force_scan();
-    for dev in xyz {
-        trace!("{:?}", dev);
-        dev.bars.iter().for_each(|bar| {
-            trace!("{:?}", bar);
-        });
-    }
+    // let xyz = pci::brute_force_scan();
+    // for dev in xyz {
+    //     trace!("{:?}", dev);
+    //     dev.bars.iter().for_each(|bar| {
+    //         trace!("{:?}", bar);
+    //     });
+    // }
 
     for node in axel {
         info!("{:?}", node);
@@ -97,16 +101,6 @@ pub fn scratchpad() {
 
     */
 
-    let home_path = Path::new("/home/able".to_string());
-
-    let mut chan = Channel::new();
-
-    let ret = chan.read();
-
-    let chan_handle = Handle::from_channel(chan);
-
-    println!("{}", chan_handle);
-
     real_shell();
 }
 use crate::graphics::VgaBuffer;
@@ -174,21 +168,35 @@ pub fn command_parser(user: String, command: String) {
     let fs = &*FILE_SYSTEM.lock();
     let mut iter = command.split_whitespace();
 
+    // TODO: update the open() function to take either a ableOS path or a b"/" type path
+    let current_path = Path::new("/home/able".to_string());
+    trace!("Current path: {:?}", current_path);
+    let current_path = b"/home/able/";
+
     let bin_name = iter.next().unwrap();
 
-    if bin_name == "rhai" {
+    match bin_name {
+        "rhai" => {
             drop(fs);
             shell();
-        return;
         }
+        "list" | "ls" => {
+            for dir_entry in list_files_in_dir(fs, current_path) {
+                println!("{}", dir_entry.file_name_string());
+            }
+        }
+        "quit" => shutdown(),
 
+        _ => {
             let home_exec_path = format!("/home/{}/bins/{}.wasm", user, bin_name);
             let shared_exec_path = format!("/shared/bins/{}.wasm", bin_name);
             let system_exec_path = format!("/system/bins/{}.wasm", bin_name);
 
             let home_exec_file = fs.open(&home_exec_path.as_bytes(), OpenOptions::new().read(true));
-    let shared_exec_file = fs.open(&shared_exec_path.as_bytes(), OpenOptions::new().read(true));
-    let system_exec_file = fs.open(&system_exec_path.as_bytes(), OpenOptions::new().read(true));
+            let shared_exec_file =
+                fs.open(&shared_exec_path.as_bytes(), OpenOptions::new().read(true));
+            let system_exec_file =
+                fs.open(&system_exec_path.as_bytes(), OpenOptions::new().read(true));
 
             let mut in_home = false;
             let mut in_shared = false;
@@ -238,6 +246,8 @@ pub fn command_parser(user: String, command: String) {
                 error!("No such binary: {}", bin_name);
             }
         }
+    }
+}
 
 pub fn sound(n_frequency: u32) {
     let div: u32;
@@ -264,3 +274,14 @@ pub fn sound_off() {
     };
     reset_pit_for_cpu();
 }
+
+pub fn list_files_in_dir(fs: &Synced<Ext2<Size1024, Vec<u8>>>, path: &[u8]) -> Vec<DirectoryEntry> {
+    let mut entry_list = vec![];
+
+    let dirr = fs.read_dir(b"/").unwrap();
+    for dir_entry in dirr {
+        entry_list.push(dir_entry.unwrap());
+    }
+
+    entry_list
+}

ext2-rs/src/fs/sync.rs

@@ -710,6 +710,17 @@ impl DirEntry for DirectoryEntry {
     }
 }
 
+impl DirectoryEntry {
+    /// Turns a filename into a string for display
+    pub fn file_name_string(&self) -> String {
+        let mut filename = String::new();
+        for ch in &self.name {
+            filename.push(*ch as char);
+        }
+        filename
+    }
+}
+
 #[cfg(test)]
 mod tests {
     use std::cell::RefCell;