applied platformio structure

lib/spotify/cspot/bell/main/io/include/ByteStream.h

@@ -0,0 +1,25 @@
+#ifndef BELL_BYTE_READER_H
+#define BELL_BYTE_READER_H
+
+#include <stdint.h>
+#include <stdlib.h>
+
+/**
+ * A class for reading bytes from a stream. Further implemented in HTTPStream.h
+ */
+namespace bell {
+class ByteStream {
+ public:
+  ByteStream(){};
+  virtual ~ByteStream() = default;
+
+  virtual size_t read(uint8_t* buf, size_t nbytes) = 0;
+  virtual size_t skip(size_t nbytes) = 0;
+
+  virtual size_t position() = 0;
+  virtual size_t size() = 0;
+  virtual void close() = 0;
+};
+}  // namespace bell
+
+#endif