Sending the IQM file into nom

src/main.rs

@@ -11,11 +11,46 @@ use sdl2::keyboard::Keycode;
 use std::collections::HashMap;
 use std::convert::TryInto;
 use std::ffi::{c_void, CStr, CString};
+use std::fs::File;
+use std::io::Read;
+use std::path::Path;
 use std::time::Duration;
 
-pub fn parse_iqm (input: &str) -> IResult<&str, ()> {
-	let (input, _) = tag("#")(input)?;
-	Ok((input, ()))
+pub fn parse_iqm (input: &[u8]) -> IResult<&[u8], ()> {
+	let (input, _) = tag (b"INTERQUAKEMODEL\0")(input)?;
+	Ok ((input, ()))
+}
+
+pub struct IqmBuffer {
+	data: Vec <u8>,
+	
+}
+
+pub fn load_small_file <P> (name: P) -> Vec <u8>
+where P: AsRef <Path> 
+{
+	let mut f = File::open (name).unwrap ();
+	let len = f.metadata ().unwrap ().len ();
+	
+	if len > 1024 * 1024 {
+		panic! ("File is too big");
+	}
+	
+	let mut data = vec! [0u8; len.try_into ().unwrap ()];
+	
+	f.read (&mut data [..]).unwrap ();
+	
+	data
+}
+
+impl IqmBuffer {
+	pub fn from_buffer (data: Vec <u8>) -> IqmBuffer {
+		assert_eq! (parse_iqm (&data [..]), Ok ((&data [16..], ())));
+		
+		IqmBuffer {
+			data,
+		}
+	}
 }
 
 const VERT_SHADER_SRC: &str = 
@@ -326,6 +361,8 @@ mod tests {
 	
 	#[test]
 	pub fn iqm () {
-		assert_eq! (parse_iqm ("#"), Ok (("", ())));
+		assert_eq! (parse_iqm (b"INTERQUAKEMODEL\0"), Ok ((&b"" [..], ())));
+		
+		IqmBuffer::from_buffer (load_small_file ("pumpking.iqm"));
 	}
 }