From 1a0fde95fc2403041f9f477f4220618ee916853b Mon Sep 17 00:00:00 2001
From: Joel Klinghed <the_jk@spawned.biz>
Date: Wed, 24 Apr 2024 20:10:19 +0200
Subject: args: Argument parser

Still getting used to rust
---
 src/main.rs | 68 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 66 insertions(+), 2 deletions(-)

(limited to 'src/main.rs')

diff --git a/src/main.rs b/src/main.rs
index e7a11a9..6b7c181 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,3 +1,67 @@
-fn main() {
-    println!("Hello, world!");
+mod args;
+
+use crate::args::Parser;
+use std::process::ExitCode;
+
+fn parse_args() -> Result<bool, String> {
+    let mut options = args::Options::new();
+    let help_idx = options.push(
+        args::OptionBuilder::default()
+            .short('h')
+            .long("help")
+            .description("display this and exit")
+            .build().unwrap());
+    let version_idx = options.push(
+        args::OptionBuilder::default()
+            .short('V')
+            .long("version")
+            .description("display version and exit")
+            .build().unwrap());
+    let verbose_idx = options.push(
+        args::OptionBuilder::default()
+            .long("verbose")
+            .description("be verbose")
+            .build().unwrap());
+    let test_idx = options.push(
+        args::OptionBuilder::default()
+            .short('t')
+            .long("test")
+            .description("testing")
+            .value(args::ValueRequirement::Required("FILE"))
+            .build().unwrap());
+
+    let parser = args::ShortAndLongParser::new();
+    let args = parser.run(&mut options, std::env::args())?;
+    let ref help = options[help_idx];
+    if help.is_set() {
+        parser.print_help(&options);
+        return Ok(true);
+    }
+    let ref version = options[version_idx];
+    if version.is_set() {
+        println!("Version is 0.0.1");
+        return Ok(true);
+    }
+    let ref verbose = options[verbose_idx];
+    let ref test = options[test_idx];
+    println!("verbose: {}", verbose.is_set());
+    println!("test: {:?}", test.value());
+    println!("args: {:?}", args.args);
+    Ok(false)
+}
+
+fn main() -> ExitCode {
+    match parse_args() {
+        Ok(exit) => {
+            if exit {
+                return ExitCode::SUCCESS;
+            }
+        }
+        Err(msg) => {
+            eprintln!("{}", msg);
+            return ExitCode::FAILURE;
+        }
+    }
+
+    ExitCode::SUCCESS
 }
-- 
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