1 files changed, 30 insertions, 0 deletions
diff --git a/src/indexes/mod.rs b/src/indexes/mod.rs
new file mode 100644
index 0000000..1e83146
--- /dev/null
+++ b/src/indexes/mod.rs
@@ -0,0 +1,30 @@
+// Copyright 2021 Colin Finck <colin@reactos.org>
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+mod file_name;
+
+pub use file_name::*;
+
+use crate::error::Result;
+
+pub trait NtfsIndexEntryType {
+    type KeyType: NtfsIndexEntryKey;
+}
+
+pub trait NtfsIndexEntryKey: Sized {
+    fn key_from_slice(slice: &[u8], position: u64) -> Result<Self>;
+}
+
+/// Indicates that the index entry type has additional data.
+// This would benefit from negative trait bounds, as this trait and `NtfsIndexEntryHasFileReference` are mutually exclusive!
+pub trait NtfsIndexEntryHasData: NtfsIndexEntryType {
+    type DataType: NtfsIndexEntryData;
+}
+
+pub trait NtfsIndexEntryData: Sized {
+    fn data_from_slice(slice: &[u8], position: u64) -> Result<Self>;
+}
+
+/// Indicates that the index entry type has a file reference.
+// This would benefit from negative trait bounds, as this trait and `NtfsIndexEntryHasData` are mutually exclusive!
+pub trait NtfsIndexEntryHasFileReference: NtfsIndexEntryType {}