1 files changed, 64 insertions, 1 deletions
diff --git a/src/main.rs b/src/main.rs
index 17ef561..210da62 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,3 +1,66 @@
 // This code is going to be rough. Just trying to parse this using the technique
 // I know: just play with the raw data
-fn main() {}
+fn main() {
+	let fname = std::env::args().nth(1).unwrap();
+	let data = std::fs::read(fname).unwrap();
+
+	println!("Read {:.2}MB", data.len() as f32 / (1024.0 * 1024.0));
+
+	let header = LightHeader::new(&data[0..32]);
+	let data = &data[32..];
+
+	let LightHeader {
+		magic_number,
+		combined_length,
+		header_length,
+		message_length,
+		kind,
+		reserved,
+	} = header;
+
+	println!("\nMagic: {magic_number}\nCombined Length: {combined_length}\nHeader Length: {header_length}\nMessage Length: {message_length}\nKind: {kind}\nReserved: {reserved:?}\nNext 8 Bytes: {:?}", &data[0..8]);
+
+	let message = &data[..message_length as usize];
+	let data = &data[message_length as usize..];
+
+	println!("\nTook Message of {message_length} bytes");
+	println!("{} bytes left", data.len());
+
+	println!("{:?}", &data[0..32]);
+}
+
+struct LightHeader {
+	magic_number: String,
+	combined_length: u64,
+	header_length: u64,
+	message_length: u32,
+	// type
+	kind: u8,
+	reserved: [u8; 7],
+}
+
+impl LightHeader {
+	pub fn new(data: &[u8]) -> Self {
+		let magic_number = String::from_utf8(data[0..4].to_vec()).unwrap();
+		let combined_length = u64::from_le_bytes(data[4..12].try_into().unwrap());
+		println!("Combined Length: {:?}", &data[4..12]);
+
+		let header_length = u64::from_le_bytes(data[12..20].try_into().unwrap());
+		println!("Header Length: {:?}", &data[12..20]);
+
+		let message_length = u32::from_le_bytes(data[20..24].try_into().unwrap());
+		println!("Message Length: {:?}", &data[20..24]);
+
+		let kind = data[24];
+		let reserved = data[25..32].try_into().unwrap();
+
+		LightHeader {
+			magic_number,
+			combined_length,
+			header_length,
+			message_length,
+			kind,
+			reserved,
+		}
+	}
+}