4 files changed, 65 insertions, 20 deletions
diff --git a/include/cru/common/ErrnoException.hpp b/include/cru/common/ErrnoException.hpp
new file mode 100644
index 00000000..6feb1aca
--- /dev/null
+++ b/include/cru/common/ErrnoException.hpp
@@ -0,0 +1,22 @@
+#pragma once
+
+#include "Exception.hpp"
+
+namespace cru {
+class ErrnoException : public Exception {
+ public:
+  ErrnoException() : ErrnoException(String{}) {}
+  explicit ErrnoException(const String& message);
+  ErrnoException(const String& message, int errno_code);
+
+  CRU_DELETE_COPY(ErrnoException)
+  CRU_DELETE_MOVE(ErrnoException)
+
+  ~ErrnoException() override = default;
+
+  int GetErrnoCode() const { return errno_code_; }
+
+ private:
+  int errno_code_;
+};
+}  // namespace cru
diff --git a/include/cru/common/io/Stream.hpp b/include/cru/common/io/Stream.hpp
index e13e5388..5fa307ed 100644
--- a/include/cru/common/io/Stream.hpp
+++ b/include/cru/common/io/Stream.hpp
@@ -32,5 +32,7 @@ class CRU_BASE_API Stream : public Object {
   virtual Index Write(const std::byte* buffer, Index size);
 
   virtual void Flush() = 0;
+
+  virtual void Close();
 };
 }  // namespace cru::io
diff --git a/include/cru/common/io/UnixFileStream.hpp b/include/cru/common/io/UnixFileStream.hpp
new file mode 100644
index 00000000..c8c3fe52
--- /dev/null
+++ b/include/cru/common/io/UnixFileStream.hpp
@@ -0,0 +1,41 @@
+#pragma once
+
+#include "../String.hpp"
+#include "OpenFileFlag.hpp"
+#include "Stream.hpp"
+
+namespace cru::io {
+class UnixFileStream : public Stream {
+ public:
+  UnixFileStream(String path, OpenFileFlag flags);
+
+  CRU_DELETE_COPY(UnixFileStream)
+  CRU_DELETE_MOVE(UnixFileStream)
+
+  ~UnixFileStream() override;
+
+ public:
+  bool CanSeek() override;
+  Index Tell() override;
+  void Seek(Index offset, SeekOrigin origin = SeekOrigin::Current) override;
+
+  bool CanRead() override;
+  Index Read(std::byte* buffer, Index offset, Index size) override;
+
+  bool CanWrite() override;
+  Index Write(const std::byte* buffer, Index offset, Index size) override;
+
+  void Flush() override;
+
+  void Close() override;
+
+ private:
+  void CheckClosed();
+
+ private:
+  String path_;
+  OpenFileFlag flags;
+  int file_descriptor_;
+  bool closed_ = false;
+};
+}  // namespace cru::io
diff --git a/include/cru/platform/UnixFileStream.hpp b/include/cru/platform/UnixFileStream.hpp
deleted file mode 100644
index 612a08f0..00000000
--- a/include/cru/platform/UnixFileStream.hpp
+++ /dev/null
@@ -1,20 +0,0 @@
-#pragma once
-
-#include "cru/common/String.hpp"
-#include "cru/common/io/OpenFileFlag.hpp"
-#include "cru/common/io/Stream.hpp"
-
-namespace cru::platform {
-class UnixFileStream : public io::Stream {
- public:
-  UnixFileStream(String path, io::OpenFileFlag flags);
-  UnixFileStream(int file_descriptor, bool auto_close);
-
-  CRU_DELETE_COPY(UnixFileStream)
-  CRU_DELETE_MOVE(UnixFileStream)
-
-  ~UnixFileStream() override;
-
- private:
-};
-}  // namespace cru::platform