1 files changed, 13 insertions, 21 deletions
diff --git a/include/cru/common/io/MemoryStream.h b/include/cru/common/io/MemoryStream.h
index a6243d67..a1f90c3b 100644
--- a/include/cru/common/io/MemoryStream.h
+++ b/include/cru/common/io/MemoryStream.h
@@ -7,38 +7,30 @@
 namespace cru::io {
 class CRU_BASE_API MemoryStream : public Stream {
  public:
-  MemoryStream() = default;
   MemoryStream(
       std::byte* buffer, Index size, bool read_only = false,
-      std::function<void(std::byte* buffer, Index size)> release_func = {})
-      : buffer_(buffer),
-        size_(size),
-        read_only_(read_only),
-        release_func_(std::move(release_func)) {}
-
-  CRU_DELETE_COPY(MemoryStream)
-  CRU_DELETE_MOVE(MemoryStream)
+      std::function<void(std::byte* buffer, Index size)> release_func = {});
 
   ~MemoryStream() override;
 
  public:
-  bool CanSeek() override;
-  Index Seek(Index offset, SeekOrigin origin = SeekOrigin::Current) override;
+  void Close() override;
 
-  bool CanRead() override;
-  Index Read(std::byte* buffer, Index offset, Index size) override;
+  std::byte* GetBuffer() const { return buffer_; }
 
-  bool CanWrite() override;
-  Index Write(const std::byte* buffer, Index offset, Index size) override;
+ 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;
 
-  std::byte* GetBuffer() const { return buffer_; }
-  Index GetSize() override { return size_; }
+ private:
+  void DoClose();
 
  private:
-  std::byte* buffer_ = nullptr;
-  Index size_ = 0;
-  Index position_ = 0;
-  bool read_only_ = false;
+  std::byte* buffer_;
+  Index size_;
+  Index position_;
   std::function<void(std::byte* buffer, Index size)> release_func_;
 };
 }  // namespace cru::io