fixed subsections not working and revamped error handling

Cargo.lock

@@ -13,7 +13,7 @@ dependencies = [
 
 [[package]]
 name = "config"
-version = "0.1.6"
+version = "0.2.0"
 dependencies = [
  "regex",
  "toml",

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "config"
-version = "0.1.6"
+version = "0.2.0"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html

src/error.rs

@@ -3,9 +3,14 @@ use std::{
 	process::exit
 };
 
+pub fn no_args() {
+	println!("config: no arguments suppied");
+	exit(1);
+}
+
 pub fn missing_config(path: &PathBuf) {
 	println!("config: no config file found at {:?}", path);
-	exit(1);
+	exit(2);
 }
 
 pub fn no_section(section: &String) {

src/main.rs

@@ -4,15 +4,16 @@ use std::{
 	fs::read_to_string,
 	path::PathBuf,
 	process::{
-		exit,
-
 		Command,
 		Stdio
 	}
 };
 
 use regex::Regex;
-use toml::Value;
+use toml::{
+	Value,
+	value::Map
+};
 
 mod error;
 
@@ -39,26 +40,26 @@ fn main() -> Result<(), Box<dyn Error>>{
 	let mut dir  = false;
 	let mut list = false;
 	let mut path = false;
-	{
-		if args.len() == 0 {
-			help_text();
-			exit(2);
-		}
-		match args[0].as_str() {
-			"-d"		|
-			"--dir"		=> dir  = true,
-			"-l"		|
-			"--list"	=> list = true,
-			"-p"		|
-			"--path"	=> path = true,
-			"-h"		|
-			"--help"	=> {
-				help_text();
-				return Ok(());
-			}
-			_			=> {}
-		}
+
+	if args.len() == 0 {
+		error::no_args();
 	}
+	match args[0].as_str() {
+		"-d"		|
+		"--dir"		=> dir  = true,
+		"-l"		|
+		"--list"	=> list = true,
+		"-p"		|
+		"--path"	=> path = true,
+		"-h"		|
+		"--help"	=> {
+			help_text();
+			return Ok(());
+		}
+		_			=> {}
+	}
+
+	let start_index = if dir || list || path { 1 } else { 0 };
 
 	if list {
 		let mut section = config;
@@ -81,17 +82,23 @@ fn main() -> Result<(), Box<dyn Error>>{
 		return Ok(());
 	}
 
-	let entry = &args[args.len() - 1];
-	let i_section = config.get(entry);
-	if i_section.is_none() {
-		error::no_section(entry);
+	let mut section: &Map<String, Value> = config;
+	let mut fullname: String = "".to_string();
+	for i in start_index..args.len() {
+		let entry = &args[i];
+		fullname = if fullname.is_empty() { args[i].clone() } else { fullname + "." + &args[i] };
+		let i_section = section.get(entry);
+		if i_section.is_none() {
+			error::no_section(&fullname);
+		}
+		section = i_section.unwrap().as_table().unwrap();
 	}
-	let section = i_section.unwrap().as_table().unwrap();
+	//let section = i_section.unwrap().as_table().unwrap();
 
 	let prop_path = section.get("path");
 	if dir {
 		if prop_path.is_none() {
-			error::no_property(entry, "path");
+			error::no_property(&fullname, "path");
 		}
 		let raw_path = prop_path.unwrap().as_str().unwrap();
 		let expanded = home_regex.replace(raw_path, &home_dir);
@@ -108,7 +115,7 @@ fn main() -> Result<(), Box<dyn Error>>{
 	}
 	if path {
 		if prop_path.is_none() {
-			error::no_property(entry, "path");
+			error::no_property(&fullname, "path");
 		}
 		let i_file_path = prop_path.unwrap().as_str().unwrap();
 		let file_path = home_regex.replace(i_file_path, home_dir);
@@ -120,7 +127,7 @@ fn main() -> Result<(), Box<dyn Error>>{
 	let raw_command: String;
 	if prop_command.is_none() {
 		if editor.is_none() {
-			error::no_property(entry, "command");
+			error::no_property(&fullname, "command");
 		}
 		raw_command = editor.unwrap();
 	} else {