Module: CBOR::ByteStringHelper

Defined in:
lib/libcbor/helpers.rb

Instance Method Summary collapse

Instance Method Details

#__libcbor_to_cbor ⇒ String

Encodes CBOR::ByteStrings. The result is always a definite string.

Returns:

  • (String) —

    The CBOR representation



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# File 'lib/libcbor/helpers.rb', line 54

def __libcbor_to_cbor
  @@item ||= LibCBOR.cbor_new_definite_bytestring
  string = FFI::MemoryPointer.from_string(self)
  out_bfr = FFI::MemoryPointer.new :pointer
  out_bfr_len = FFI::MemoryPointer.new :size_t
  LibCBOR.cbor_bytestring_set_handle(@@item, string, bytes.length)
  res_len = LibCBOR.cbor_serialize_alloc(@@item, out_bfr, out_bfr_len)
  out_bfr.read_pointer.get_bytes(0, res_len).tap do
    LibC.free(out_bfr.read_pointer)
  end
end