BasicFileStream: added convenience Create method

Author: TheMostDiligent

Common/interface/BasicFileStream.hpp

@@ -1,5 +1,5 @@
 /*
- *  Copyright 2019-2022 Diligent Graphics LLC
+ *  Copyright 2019-2024 Diligent Graphics LLC
  *  Copyright 2015-2019 Egor Yusov
  *
  *  Licensed under the Apache License, Version 2.0 (the "License");
@@ -34,6 +34,7 @@
 #include "../../Primitives/interface/DataBlob.h"
 #include "ObjectBase.hpp"
 #include "FileWrapper.hpp"
+#include "RefCntAutoPtr.hpp"
 
 namespace Diligent
 {
@@ -44,6 +45,8 @@ class BasicFileStream : public ObjectBase<IFileStream>
 public:
     typedef ObjectBase<IFileStream> TBase;
 
+    static RefCntAutoPtr<BasicFileStream> Create(const Char* Path, EFileAccessMode Access = EFileAccessMode::Read);
+
     BasicFileStream(IReferenceCounters* pRefCounters,
                     const Char*         Path,
                     EFileAccessMode     Access = EFileAccessMode::Read);

Common/src/BasicFileStream.cpp

@@ -1,5 +1,5 @@
 /*
- *  Copyright 2019-2022 Diligent Graphics LLC
+ *  Copyright 2019-2024 Diligent Graphics LLC
  *  Copyright 2015-2019 Egor Yusov
  *
  *  Licensed under the Apache License, Version 2.0 (the "License");
@@ -31,6 +31,17 @@
 namespace Diligent
 {
 
+RefCntAutoPtr<BasicFileStream> BasicFileStream::Create(const Char* Path, EFileAccessMode Access)
+{
+    if (Path == nullptr || Path[0] == '\0')
+    {
+        DEV_ERROR("Path must not be null or empty");
+        return {};
+    }
+
+    return RefCntAutoPtr<BasicFileStream>{MakeNewRCObj<BasicFileStream>()(Path, Access)};
+}
+
 BasicFileStream::BasicFileStream(IReferenceCounters* pRefCounters,
                                  const Char*         Path,
                                  EFileAccessMode     Access /* = EFileAccessMode::Read*/) :

Graphics/GraphicsEngine/src/DefaultShaderSourceStreamFactory.cpp

@@ -1,5 +1,5 @@
 /*
- *  Copyright 2019-2022 Diligent Graphics LLC
+ *  Copyright 2019-2024 Diligent Graphics LLC
  *  Copyright 2015-2019 Egor Yusov
  *
  *  Licensed under the Apache License, Version 2.0 (the "License");
@@ -83,7 +83,7 @@ void DefaultShaderSourceStreamFactory::CreateInputStream2(const Char*
         RefCntAutoPtr<BasicFileStream> pFileStream;
         if (FileSystem::FileExists(Path))
         {
-            pFileStream = MakeNewRCObj<BasicFileStream>()(Path, EFileAccessMode::Read);
+            pFileStream = BasicFileStream::Create(Path, EFileAccessMode::Read);
             if (!pFileStream->IsValid())
                 pFileStream.Release();
         }