Impl win subprocess.

1 files changed, 66 insertions, 0 deletions

diff --git a/include/cru/base/platform/win/Stream.h b/include/cru/base/platform/win/Stream.h
new file mode 100644
index 00000000..e49bf48b
--- /dev/null
+++ b/include/cru/base/platform/win/Stream.h
@@ -0,0 +1,66 @@
+#pragma once
+
+#ifndef _WIN32
+#error "This file can only be included on Windows."
+#endif
+
+#include "../../io/Base.h"
+#include "../../io/Stream.h"
+#include "Base.h"
+
+#include <objidlbase.h>
+
+namespace cru::platform::win {
+class CRU_BASE_API Win32HandleStream : public io::Stream {
+ public:
+  Win32HandleStream(std::string_view path, io::OpenFileFlag flags);
+  Win32HandleStream(HANDLE handle, bool auto_close, bool can_seek,
+                    bool can_read, bool can_write);
+  Win32HandleStream(Win32Handle&& handle, bool can_seek, bool can_read,
+                    bool can_write);
+  ~Win32HandleStream() override;
+
+ protected:
+  Index DoSeek(Index offset, SeekOrigin origin) override;
+  Index DoRead(std::byte* buffer, Index offset, Index size) override;
+  Index DoWrite(const std::byte* buffer, Index offset, Index size) override;
+
+ public:
+  const Win32Handle& GetHandle() { return handle_; }
+
+  CRU_STREAM_IMPLEMENT_CLOSE_BY_DO_CLOSE
+
+ private:
+  void DoClose();
+
+ private:
+  Win32Handle handle_;
+};
+
+CRU_BASE_API IStream* ToComStream(io::Stream* stream);
+
+class CRU_BASE_API ComStream : public io::Stream {
+ public:
+  ComStream(std::string_view path, io::OpenFileFlag flags);
+  ComStream(IStream* com_stream, bool auto_release, bool can_seek,
+            bool can_read, bool can_write);
+  ~ComStream() override;
+
+ protected:
+  Index DoSeek(Index offset, SeekOrigin origin) override;
+  Index DoRead(std::byte* buffer, Index offset, Index size) override;
+  Index DoWrite(const std::byte* buffer, Index offset, Index size) override;
+
+ public:
+  IStream* GetComStream() { return stream_; }
+
+  CRU_STREAM_IMPLEMENT_CLOSE_BY_DO_CLOSE
+
+ private:
+  void DoClose();
+
+ private:
+  IStream* stream_;
+  bool auto_release_;
+};
+}  // namespace cru::platform::win