1 files changed, 72 insertions, 0 deletions
diff --git a/tvix/castore/src/nodes/file_node.rs b/tvix/castore/src/nodes/file_node.rs
new file mode 100644
index 000000000000..5dd677c17b49
--- /dev/null
+++ b/tvix/castore/src/nodes/file_node.rs
@@ -0,0 +1,72 @@
+use crate::{B3Digest, NamedNode, ValidateNodeError};
+
+/// A FileNode represents a regular or executable file in a Directory or at the root.
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub struct FileNode {
+    /// The (base)name of the file
+    name: bytes::Bytes,
+
+    /// The blake3 digest of the file contents
+    digest: B3Digest,
+
+    /// The file content size
+    size: u64,
+
+    /// Whether the file is executable
+    executable: bool,
+}
+
+impl FileNode {
+    pub fn new(
+        name: bytes::Bytes,
+        digest: B3Digest,
+        size: u64,
+        executable: bool,
+    ) -> Result<Self, ValidateNodeError> {
+        Ok(Self {
+            name,
+            digest,
+            size,
+            executable,
+        })
+    }
+
+    pub fn digest(&self) -> &B3Digest {
+        &self.digest
+    }
+
+    pub fn size(&self) -> u64 {
+        self.size
+    }
+
+    pub fn executable(&self) -> bool {
+        self.executable
+    }
+
+    pub fn rename(self, name: bytes::Bytes) -> Self {
+        Self { name, ..self }
+    }
+}
+
+impl PartialOrd for FileNode {
+    fn partial_cmp(&self, other: &Self) -> Option<std::cmp::Ordering> {
+        Some(self.cmp(other))
+    }
+}
+
+impl Ord for FileNode {
+    fn cmp(&self, other: &Self) -> std::cmp::Ordering {
+        self.get_name().cmp(other.get_name())
+    }
+}
+
+impl NamedNode for &FileNode {
+    fn get_name(&self) -> &bytes::Bytes {
+        &self.name
+    }
+}
+impl NamedNode for FileNode {
+    fn get_name(&self) -> &bytes::Bytes {
+        &self.name
+    }
+}