crappy ls

src/commands.rs

@@ -2,6 +2,9 @@ use std::str::FromStr;
 
 use crate::{Directory, State};
 
+static PROJECTS_DIR: &'static str = "stuff";
+static HOME_DIR: &'static str = "projects";
+
 pub fn handle_command(command_string : String, state : &mut State)  {
   let mut words = command_string.split(' ');
 
@@ -21,8 +24,11 @@ pub fn handle_command(command_string : String, state : &mut State)  {
           Directory::Home => {
             match args[0] {
               "~" => (),
+              "~/" => (),
               ".." => state.output.push_back(String::from_str("bash: cd: ..: Permission denied").unwrap()),
+              "../" => state.output.push_back(String::from_str("bash: cd: ..: Permission denied").unwrap()),
               "projects" => state.current_working_directory = Directory::Projects,
+              "projects/" => state.current_working_directory = Directory::Projects,
               _ => {
                 if args[0].chars().next().unwrap() == '/' {
                   state.output.push_back(format!("bash: cd: {}: Permission denied", args[0]));
@@ -35,7 +41,9 @@ pub fn handle_command(command_string : String, state : &mut State)  {
           Directory::Projects => {
             match args[0] {
               "~" => state.current_working_directory = Directory::Home,
+              "~/" => state.current_working_directory = Directory::Home,
               ".." => state.current_working_directory = Directory::Home,
+              "../" => state.current_working_directory = Directory::Home,
               _ => {
                 if args[0].chars().next().unwrap() == '/' {
                   state.output.push_back(format!("bash: cd: {}: Permission denied", args[0]));
@@ -50,6 +58,27 @@ pub fn handle_command(command_string : String, state : &mut State)  {
       }
     }
 
+    "ls" => match state.current_working_directory {
+      Directory::Home => match args.len() {
+        0 => state.output.push_back(String::from_str(HOME_DIR).unwrap()),
+        1 => match args[0] {
+          "projects" => state.output.push_back(String::from_str(PROJECTS_DIR).unwrap()),
+          "projects/" => state.output.push_back(String::from_str(PROJECTS_DIR).unwrap()),
+          _ => state.output.push_back(format!("bash: ls: '{}': No such file or directory", args[0]))
+        },
+        _ => state.output.push_back(format!("bash: ls: too many arguments"))
+      },
+      Directory::Projects => match args.len() {
+        0 => state.output.push_back(String::from_str(PROJECTS_DIR).unwrap()),
+        1 => match args[0] {
+          ".." => state.output.push_back(String::from_str(HOME_DIR).unwrap()),
+          "../" => state.output.push_back(String::from_str(HOME_DIR).unwrap()),
+          _ => state.output.push_back(format!("bash: ls: '{}': No such file or directory", args[0]))
+        },
+        _ => state.output.push_back(format!("bash: ls: too many arguments"))
+      }
+    }
+    
     _ => {
       state.output.push_back(format!("bash: {}: command not found", command));
     }