try one's hand at 小试牛刀

.gitignore

@@ -9,6 +9,7 @@
 /cmake-build-debug/
 /cmake-build-release/
 /cmake-build-*/
+target/
 
 node_modules/
 

Justfile

@@ -0,0 +1,11 @@
+list:
+    just -l
+
+cli-run:
+    cargo run --package jsxer_cli --bin jsxer_cli --help
+
+cli-build:
+    cargo build --package jsxer_cli --bin jsxer_cli
+
+cli-dev argument:
+    ./target/debug/jsxer_cli.exe --help {{argument}}

crates/jsxer_cli/src/main.rs

@@ -1,5 +1,108 @@
 
+use clap::{Arg, Command};
+use std::fs;
+use std::path::Path;
+use std::process;
 
 fn main() {
-    println!("Hello, world!");
+    let matches = Command::new("JSXER - A fast and accurate JSXBIN decompiler.")
+        .version(env!("CARGO_PKG_VERSION"))
+        .author("Angelo DeLuca and contributors.")
+        .about("Decompiles JSXBIN files to JSX source code.")
+        .arg(
+            Arg::new("input")
+                .help("Name of file to read")
+                .required(true)
+                .index(1),
+        )
+        .arg(
+            Arg::new("output")
+                .short('o')
+                .long("output")
+                .value_name("FILE")
+                .help("Output path for the decompiled file"),
+        )
+        .arg(
+            Arg::new("unblind")
+                .short('b')
+                .long("unblind")
+                .help("Try renaming symbols which are obfuscated by 'JsxBlind' (experimental)"),
+        )
+        // Uncomment if you want to add a verbose flag
+        /*
+        .arg(
+            Arg::new("verbose")
+                .short('v')
+                .long("verbose")
+                .help("Display verbose log"),
+        )
+        */
+        .get_matches();
+
+    let input = matches.get_one::<String>("input").expect("Input file is required");
+    let output = matches.get_one::<String>("output").map(|s| s.as_str());
+    let unblind = matches.get_flag("unblind");
+
+    let input_path = Path::new(input);
+    if !input_path.exists() || !input_path.is_file() {
+        eprintln!("Error: Input file does not exist or is not a file.");
+        process::exit(1);
+    }
+
+    let output_path = match output {
+        Some(output) => Path::new(output).to_owned(),
+        None => {
+            let parent = input_path.parent().unwrap_or_else(|| Path::new("."));
+            parent.join(format!("{}.jsx", input_path.file_stem().unwrap().to_string_lossy()))
+        }
+    };
+
+    if let Some(parent) = output_path.parent() {
+        if !parent.exists() {
+            if let Err(err) = fs::create_dir_all(parent) {
+                eprintln!("Error: Failed to create directory for output file: {}", err);
+                process::exit(1);
+            }
+        }
+    }
+
+    // Read in the JSXBIN file contents...
+    let contents = match read_file_contents(&input_path) {
+        Ok(contents) => contents,
+        Err(err) => {
+            eprintln!("Error: Failed to read input file: {}", err);
+            process::exit(1);
+        }
+    };
+
+    // Begin de-compilation...
+    println!("[i] Decompiling...");
+    let decompiled = match decompile_jsxbin(&contents, unblind) {
+        Ok(decompiled) => decompiled,
+        Err(err) => {
+            eprintln!("Error: Failed to decompile JSXBIN content: {}", err);
+            process::exit(1);
+        }
+    };
+    println!("[i] Finished.");
+
+    // Write the decompiled content to the output file...
+    if let Err(err) = write_file_contents(&output_path, &decompiled) {
+        eprintln!("Error: Failed to write output file: {}", err);
+        process::exit(1);
+    }
+}
+
+// Implement these functions as per your requirements
+fn read_file_contents(path: &Path) -> Result<String, std::io::Error> {
+    fs::read_to_string(path)
+}
+
+fn decompile_jsxbin(contents: &str, unblind: bool) -> Result<String, &'static str> {
+    // Placeholder for actual decompilation logic
+    Ok(String::from("/* decompiled content */"))
+}
+
+fn write_file_contents(path: &Path, contents: &str) -> Result<(), std::io::Error> {
+    fs::write(path, contents)
 }