1 files changed, 38 insertions, 0 deletions
diff --git a/nearby/presence/np_ffi_core/src/serialize/mod.rs b/nearby/presence/np_ffi_core/src/serialize/mod.rs
new file mode 100644
index 0000000..aeb68a0
--- /dev/null
+++ b/nearby/presence/np_ffi_core/src/serialize/mod.rs
@@ -0,0 +1,38 @@
+// Copyright 2023 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//! Core NP Rust FFI structures and methods for advertisement serialization.
+
+pub mod v1;
+
+/// Enum common to V0 and V1 serialization expressing
+/// what kind of advertisement builder (public/encrypted)
+/// is in use.
+#[derive(Clone, Copy)]
+#[repr(u8)]
+pub enum AdvertisementBuilderKind {
+    /// The builder is for a public advertisement.
+    Public = 0,
+    /// The builder is for an encrypted advertisement.
+    Encrypted = 1,
+}
+
+impl AdvertisementBuilderKind {
+    pub(crate) fn as_internal_v1(&self) -> np_adv::extended::serialize::AdvertisementType {
+        use np_adv::extended::serialize::AdvertisementType;
+        match self {
+            Self::Public => AdvertisementType::Plaintext,
+            Self::Encrypted => AdvertisementType::Encrypted,
+        }
+    }
+}