From 58e37eee64b13df9cf24cdfc97906e19b2898869 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Tue, 10 May 2022 11:02:56 +0800
Subject: ...

---
 src/common/platform/win/StreamConvert.cpp | 29 ++---------------------------
 1 file changed, 2 insertions(+), 27 deletions(-)

(limited to 'src/common/platform/win/StreamConvert.cpp')

diff --git a/src/common/platform/win/StreamConvert.cpp b/src/common/platform/win/StreamConvert.cpp
index 8e2648c2..d547caa5 100644
--- a/src/common/platform/win/StreamConvert.cpp
+++ b/src/common/platform/win/StreamConvert.cpp
@@ -1,5 +1,6 @@
 #include "cru/common/platform/win/StreamConvert.h"
 #include "BrigdeComStream.h"
+#include "Win32FileStreamPrivate.h"
 #include "cru/common/Exception.h"
 #include "cru/common/io/MemoryStream.h"
 #include "cru/common/io/OpenFileFlag.h"
@@ -19,33 +20,7 @@ IStream* ConvertStreamToComStream(io::Stream* stream) {
         reinterpret_cast<const BYTE*>(memory_stream->GetBuffer()),
         memory_stream->GetSize());
   } else if (auto file_stream = dynamic_cast<Win32FileStream*>(stream)) {
-    auto path = file_stream->GetPath();
-    auto flags = file_stream->GetOpenFileFlags();
-    DWORD grfMode = STGM_SHARE_DENY_NONE | STGM_FAILIFTHERE;
-    if (flags & io::OpenFileFlags::Read) {
-      if (flags & io::OpenFileFlags::Write) {
-        grfMode |= STGM_READWRITE;
-      } else {
-        grfMode |= STGM_READ;
-      }
-    } else {
-      if (flags & io::OpenFileFlags::Write) {
-        grfMode |= STGM_WRITE;
-      } else {
-        throw Exception(u"Stream must be readable or writable.");
-      }
-    }
-
-    IStream* result;
-
-    ThrowIfFailed(SHCreateStreamOnFileEx(
-        path.WinCStr(), grfMode, FILE_ATTRIBUTE_NORMAL, FALSE, NULL, &result));
-
-    LARGE_INTEGER position;
-    position.QuadPart = stream->Tell();
-    result->Seek(position, STREAM_SEEK_SET, NULL);
-
-    return result;
+    return file_stream->GetPrivate_()->stream_;
   } else {
     return new BridgeComStream(stream);
   }
-- 
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