Add cbor wrapper, and chunk streaming util

1 files changed, 30 insertions, 0 deletions

diff --git a/src/cbor/include/cbor_encoder.hpp b/src/cbor/include/cbor_encoder.hpp
new file mode 100644
index 00000000..0edbbdff
--- /dev/null
+++ b/src/cbor/include/cbor_encoder.hpp
@@ -0,0 +1,30 @@
+#pragma once
+
+#include <cstdint>
+#include "esp-idf/components/cbor/tinycbor/src/cbor.h"
+namespace cbor {
+
+  class Encoder {
+    public:
+      enum ContainerType {
+        CONTAINER_ARRAY,
+        CONTAINER_MAP
+      };
+      Encoder(ContainerType type, uint32_t container_len, uint8_t *buffer, size_t buffer_len);
+
+      auto WriteString(const std::string &val) -> void;
+      auto WriteUnsigned(uint32_t val) -> void;
+      auto WriteSigned(int32_t val) -> void;
+
+      auto Finish() -> cpp::result<size_t, CborError>;
+
+      Encoder(const Encoder&) = delete;
+      Encoder& operator=(const Encoder&) = delete;
+    private:
+      CborEncoder root_encoder_;
+      CborEncoder container_encoder_;
+
+      CborError error_ = CborNoError;
+  };
+
+} // namespace cbor