move to new cspot

components/spotify/cspot/bell/main/io/include/BinaryStream.h

@@ -0,0 +1,77 @@
+#pragma once
+
+#ifndef ESP_PLATFORM
+#include <bit>
+#endif
+#include <iostream>
+#include <vector>
+
+namespace bell {
+class BinaryStream {
+ private:
+  std::endian byteOrder;
+
+  std::istream* istr = nullptr;
+  std::ostream* ostr = nullptr;
+
+  void ensureReadable();
+  void ensureWritable();
+  bool flipBytes = false;
+
+  template <typename T>
+  T swap16(T value) {
+#ifdef _WIN32
+    return _byteswap_ushort(value);
+#else
+    return __builtin_bswap16(value);
+#endif
+  }
+  template <typename T>
+  T swap32(T value) {
+#ifdef _WIN32
+    return _byteswap_ulong(value);
+#else
+    return __builtin_bswap32(value);
+#endif
+  }
+  template <typename T>
+  T swap64(T value) {
+#ifdef _WIN32
+    return _byteswap_uint64(value);
+#else
+    return __builtin_bswap64(value);
+#endif
+  }
+
+ public:
+  BinaryStream(std::ostream* ostr);
+  BinaryStream(std::istream* istr);
+
+  /**
+   * @brief Set byte order used by stream.
+   *
+   * @param byteOrder stream's byteorder. Defaults to native.
+   */
+  void setByteOrder(std::endian byteOrder);
+
+  // Read operations
+  BinaryStream& operator>>(char& value);
+  BinaryStream& operator>>(std::byte& value);
+  BinaryStream& operator>>(int16_t& value);
+  BinaryStream& operator>>(uint16_t& value);
+  BinaryStream& operator>>(int32_t& value);
+  BinaryStream& operator>>(uint32_t& value);
+  BinaryStream& operator>>(int64_t& value);
+  BinaryStream& operator>>(uint64_t& value);
+
+  // Write operations
+  BinaryStream& operator<<(char value);
+  BinaryStream& operator<<(std::byte value);
+  BinaryStream& operator<<(int16_t value);
+  BinaryStream& operator<<(uint16_t value);
+  BinaryStream& operator<<(int32_t value);
+  BinaryStream& operator<<(uint32_t value);
+  BinaryStream& operator<<(int64_t value);
+  BinaryStream& operator<<(uint64_t value);
+};
+}  // namespace bell