From 76b631144e008006efb3894c16e6fd04608d0b68 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Sat, 15 Jan 2022 18:34:55 +0800
Subject: ...

---
 include/cru/common/io/Stream.hpp         |  2 ++
 include/cru/common/io/UnixFileStream.hpp | 41 ++++++++++++++++++++++++++++++++
 2 files changed, 43 insertions(+)
 create mode 100644 include/cru/common/io/UnixFileStream.hpp

(limited to 'include/cru/common/io')

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
-- 
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