Initial xenia-rs

xenia-rs/crates/xenia-vfs/src/disc_image.rs

@@ -0,0 +1,40 @@
+use crate::{VfsDevice, VfsEntry, VfsError};
+
+/// XISO disc image device. Parses Xbox 360 disc images.
+pub struct DiscImageDevice {
+    name: String,
+    _data: Vec<u8>,
+}
+
+/// XISO sector size
+pub const SECTOR_SIZE: usize = 0x800;
+
+impl DiscImageDevice {
+    pub fn open(name: impl Into<String>, path: &std::path::Path) -> Result<Self, VfsError> {
+        let data = std::fs::read(path)?;
+        // TODO: validate XISO header
+        Ok(Self {
+            name: name.into(),
+            _data: data,
+        })
+    }
+}
+
+impl VfsDevice for DiscImageDevice {
+    fn name(&self) -> &str {
+        &self.name
+    }
+
+    fn list_root(&self) -> Result<Vec<VfsEntry>, VfsError> {
+        // TODO: Parse XISO directory tree
+        Ok(Vec::new())
+    }
+
+    fn read_file(&self, _path: &str) -> Result<Vec<u8>, VfsError> {
+        Err(VfsError::NotFound("Not yet implemented".into()))
+    }
+
+    fn stat(&self, _path: &str) -> Result<VfsEntry, VfsError> {
+        Err(VfsError::NotFound("Not yet implemented".into()))
+    }
+}