...

2 files changed, 75 insertions, 0 deletions

diff --git a/include/cru/common/platform/unix/ErrnoException.hpp b/include/cru/common/platform/unix/ErrnoException.hpp
new file mode 100644
index 00000000..2982e26a
--- /dev/null
+++ b/include/cru/common/platform/unix/ErrnoException.hpp
@@ -0,0 +1,28 @@
+#pragma once
+
+#include "../../PreConfig.hpp"
+
+#ifdef CRU_PLATFORM_UNIX
+
+#include "../Exception.hpp"
+
+namespace cru::platform::unix {
+class ErrnoException : public PlatformException {
+ 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::platform::unix
+
+#endif
diff --git a/include/cru/common/platform/unix/UnixFileStream.hpp b/include/cru/common/platform/unix/UnixFileStream.hpp
new file mode 100644
index 00000000..618f7aa3
--- /dev/null
+++ b/include/cru/common/platform/unix/UnixFileStream.hpp
@@ -0,0 +1,47 @@
+#pragma once
+
+#include "../../PreConfig.hpp"
+
+#ifdef CRU_PLATFORM_UNIX
+
+#include "../../String.hpp"
+#include "../../io/OpenFileFlag.hpp"
+#include "../../io/Stream.hpp"
+
+namespace cru::platform::unix {
+class UnixFileStream : public io::Stream {
+ public:
+  UnixFileStream(String path, io::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;
+  using Stream::Read;
+
+  bool CanWrite() override;
+  Index Write(const std::byte* buffer, Index offset, Index size) override;
+  using Stream::Write;
+
+  void Close() override;
+
+ private:
+  void CheckClosed();
+
+ private:
+  String path_;
+  io::OpenFileFlag flags_;
+  int file_descriptor_;
+  bool closed_ = false;
+};
+}  // namespace cru::platform::unix
+
+#endif