bnd: unpacker skeleton

src/lib.rs

@@ -1,10 +1,12 @@
 pub mod name_hashes;
 pub mod parsers {
     pub mod bhd;
+    pub mod bnd;
     pub mod dcx;
 }
 pub mod unpackers {
     pub mod bhd;
+    pub mod bnd;
     pub mod dcx;
     pub mod errors;
 }

src/unpackers/bnd.rs

@@ -0,0 +1,35 @@
+use crate::parsers::bnd;
+use crate::unpackers::errors::{self as unpackers_errors, UnpackError};
+
+/// Extract BND file contents to disk.
+///
+/// Wraps around `extract_bnd` to load the BND from disk.
+pub fn extract_bnd_file(bnd_path: &str, output_path: &str) -> Result<(), UnpackError> {
+    let bnd = load_bnd_file(bnd_path)?;
+    extract_bnd(bnd, output_path)?;
+    Ok(())
+}
+
+/// Extract BND contents to disk.
+pub fn extract_bnd(bnd: bnd::Bnd, output_path: &str) -> Result<(), UnpackError> {
+    //TODO
+    //let mut output_file = fs::File::create(output_path)?;
+    //output_file.write_all(&decomp_data)?;
+    Ok(())
+}
+
+/// Load a BND file from disk.
+///
+/// Wraps around `load_bnd` to load the BND from disk.
+pub fn load_bnd_file(bnd_path: &str) -> Result<bnd::Bnd, UnpackError> {
+    let mut bnd_file = fs::File::open(bnd_path)?;
+    let file_len = bnd_file.metadata()?.len() as usize;
+    let mut bnd_data = vec![0u8; file_len];
+    bnd_file.read_exact(&mut bnd_data)?;
+    load_bnd(&bnd_data)
+}
+
+/// Load a BND file from a bytes slice.
+pub fn load_bnd(bnd_data: &[u8]) -> Result<bnd::Bnd, UnpackError> {
+    Ok(())
+}