1 files changed, 36 insertions, 0 deletions
diff --git a/include/cru/base/io/MemoryStream.h b/include/cru/base/io/MemoryStream.h
new file mode 100644
index 00000000..a1f90c3b
--- /dev/null
+++ b/include/cru/base/io/MemoryStream.h
@@ -0,0 +1,36 @@
+#pragma once
+
+#include "Stream.h"
+
+#include <functional>
+
+namespace cru::io {
+class CRU_BASE_API MemoryStream : public Stream {
+ public:
+  MemoryStream(
+      std::byte* buffer, Index size, bool read_only = false,
+      std::function<void(std::byte* buffer, Index size)> release_func = {});
+
+  ~MemoryStream() override;
+
+ public:
+  void Close() override;
+
+  std::byte* GetBuffer() const { return buffer_; }
+
+ protected:
+  Index DoSeek(Index offset, SeekOrigin origin) override;
+  Index DoGetSize() override { return size_; }
+  Index DoRead(std::byte* buffer, Index offset, Index size) override;
+  Index DoWrite(const std::byte* buffer, Index offset, Index size) override;
+
+ private:
+  void DoClose();
+
+ private:
+  std::byte* buffer_;
+  Index size_;
+  Index position_;
+  std::function<void(std::byte* buffer, Index size)> release_func_;
+};
+}  // namespace cru::io