From f1fa227f5871339b627d18796d8761f1cfeaade2 Mon Sep 17 00:00:00 2001
From: Jaby <fenir50@web.de>
Date: Tue, 18 Apr 2023 21:58:34 +0200
Subject: [PATCH] Finish wslpath

---
 src/Tools/wslpath/Cargo.toml  |  3 ++-
 src/Tools/wslpath/src/lib.rs  | 45 +++++++++++++++++++++++++++--------
 src/Tools/wslpath/src/main.rs | 18 +++++++++++++-
 3 files changed, 54 insertions(+), 12 deletions(-)

diff --git a/src/Tools/wslpath/Cargo.toml b/src/Tools/wslpath/Cargo.toml
index 9448e724..38c5a00d 100644
--- a/src/Tools/wslpath/Cargo.toml
+++ b/src/Tools/wslpath/Cargo.toml
@@ -1,8 +1,9 @@
 [package]
 name = "wslpath"
-version = "0.1.0"
+version = "1.0.0"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+clap = {version = "*", features = ["derive"]}
\ No newline at end of file
diff --git a/src/Tools/wslpath/src/lib.rs b/src/Tools/wslpath/src/lib.rs
index 7d12d9af..28b2a23e 100644
--- a/src/Tools/wslpath/src/lib.rs
+++ b/src/Tools/wslpath/src/lib.rs
@@ -1,14 +1,39 @@
-pub fn add(left: usize, right: usize) -> usize {
-    left + right
+pub fn convert(path: String) -> String {
+    replace_drive_letter(convert_slashes(path))
 }
 
-#[cfg(test)]
-mod tests {
-    use super::*;
+fn convert_slashes(path: String) -> String {
+    path.replace('\\', "/")
+}
 
-    #[test]
-    fn it_works() {
-        let result = add(2, 2);
-        assert_eq!(result, 4);
+fn replace_drive_letter(mut path: String) -> String {
+    let has_drive_letter = {
+        let drive_letter = path.get(0..2);
+
+        if let Some(drive_letter) = drive_letter {
+            let starts_with_letter = drive_letter.chars().nth(0).unwrap_or('1').is_alphabetic();
+            let has_seperator      = drive_letter.chars().nth(1).unwrap_or('x') == ':';
+
+            starts_with_letter && has_seperator
+        }
+
+        else {
+            false
+        }
+    };
+
+    if has_drive_letter {
+        path.replace_range(1..2, ""); // Removes : 
+        if let Some(start_char) = path.get(0..1) { // Convert drive letter to lower case
+            path.replace_range(0..1, start_char.to_lowercase().as_str());
+        }
+
+        if path.len() == 3 {
+            path.push('/');
+        }
+        
+        path.insert_str(0, "/mnt/");
     }
-}
+
+    path
+}
\ No newline at end of file
diff --git a/src/Tools/wslpath/src/main.rs b/src/Tools/wslpath/src/main.rs
index 90550e0f..c9f05efe 100644
--- a/src/Tools/wslpath/src/main.rs
+++ b/src/Tools/wslpath/src/main.rs
@@ -1,3 +1,19 @@
+use clap::Parser;
+
+#[derive(Parser)]
+#[clap(about = "A copy of the wslpath tool from wsl for faster execution", long_about = None)]
+struct CommandLine {    
+    #[clap(value_parser, help="The input path to convert to WSL")]
+    path_string: String
+}
+
 fn main() {
-    println!("Hello Planschi");
+    match CommandLine::try_parse() {
+        Ok(cmd_line) => {
+            print!("{}", wslpath::convert(cmd_line.path_string));
+        },
+        Err(error) => {
+            eprintln!("{}", error);
+        }
+    }
 }
\ No newline at end of file