C++ FString函数代码示例

 bool CopyFileToPublicStaging(const FString& SourceFile)
 {
     FString IpaFilename = FPaths::GetCleanFilename(SourceFile);
     return CopyFileToDevice(SourceFile, FString(TEXT("/PublicStaging/")) + IpaFilename, 1024*1024);
 }

UK2Node::ERedirectType UK2Node::DoPinsMatchForReconstruction(const UEdGraphPin* NewPin, int32 NewPinIndex, const UEdGraphPin* OldPin, int32 OldPinIndex) const
{
	ERedirectType RedirectType = ERedirectType_None;

	// if the pin names do match
	if (FCString::Stricmp(*(NewPin->PinName), *(OldPin->PinName)) == 0)
	{
		// Make sure we're not dealing with a menu node
		UEdGraph* OuterGraph = GetGraph();
		if( OuterGraph && OuterGraph->Schema )
		{
			const UEdGraphSchema_K2* K2Schema = Cast<const UEdGraphSchema_K2>(GetSchema());
			if( !K2Schema || K2Schema->IsSelfPin(*NewPin) || K2Schema->ArePinTypesCompatible(OldPin->PinType, NewPin->PinType) )
			{
				RedirectType = ERedirectType_Name;
			}
			else
			{
				RedirectType = ERedirectType_None;
			}
		}
	}
	else
	{
		// try looking for a redirect if it's a K2 node
		if (UK2Node* Node = Cast<UK2Node>(NewPin->GetOwningNode()))
		{	
			if (OldPin->ParentPin == NULL)
			{
				// if you don't have matching pin, now check if there is any redirect param set
				TArray<FString> OldPinNames;
				GetRedirectPinNames(*OldPin, OldPinNames);

				FName NewPinName;
				RedirectType = ShouldRedirectParam(OldPinNames, /*out*/ NewPinName, Node);

				// make sure they match
				if ((RedirectType != ERedirectType_None) && FCString::Stricmp(*(NewPin->PinName), *(NewPinName.ToString())) != 0)
				{
					RedirectType = ERedirectType_None;
				}
			}
			else
			{
				struct FPropertyDetails
				{
					const UEdGraphPin* Pin;
					FString PropertyName;

					FPropertyDetails(const UEdGraphPin* InPin, const FString& InPropertyName)
						: Pin(InPin), PropertyName(InPropertyName)
					{
					}
				};

				TArray<FPropertyDetails> ParentHierarchy;
				const UEdGraphPin* CurPin = OldPin;
				do 
				{
					ParentHierarchy.Add(FPropertyDetails(CurPin, CurPin->PinName.RightChop(CurPin->ParentPin->PinName.Len() + 1)));
					CurPin = CurPin->ParentPin;
				} while (CurPin->ParentPin);

				// if you don't have matching pin, now check if there is any redirect param set
				TArray<FString> OldPinNames;
				GetRedirectPinNames(*CurPin, OldPinNames);

				FString NewPinNameStr;
				FName NewPinName;
				RedirectType = ShouldRedirectParam(OldPinNames, /*out*/ NewPinName, Node);

				NewPinNameStr = (RedirectType == ERedirectType_None ? CurPin->PinName : NewPinName.ToString());

				for (int32 ParentIndex = ParentHierarchy.Num() - 1; ParentIndex >= 0; --ParentIndex)
				{
					const UEdGraphPin* CurPin = ParentHierarchy[ParentIndex].Pin;
					const UEdGraphPin* ParentPin = CurPin->ParentPin;

					TMap<FName, FName>* StructRedirects = UStruct::TaggedPropertyRedirects.Find(ParentPin->PinType.PinSubCategoryObject->GetFName());
					if (StructRedirects)
					{
						FName* PropertyRedirect = StructRedirects->Find(FName(*ParentHierarchy[ParentIndex].PropertyName));
						if (PropertyRedirect)
						{
							NewPinNameStr += FString("_") + PropertyRedirect->ToString();
						}
						else
						{
							NewPinNameStr += FString("_") + ParentHierarchy[ParentIndex].PropertyName;
						}
					}
					else
					{
						NewPinNameStr += FString("_") + ParentHierarchy[ParentIndex].PropertyName;
					}
				}

				// make sure they match
				RedirectType = ((FCString::Stricmp(*(NewPin->PinName), *NewPinNameStr) != 0) ? ERedirectType_None : ERedirectType_Name);
			}
//.........这里部分代码省略.........

bool LocalizationCommandletTasks::ReportLoadedAudioAssets(const TArray<ULocalizationTarget*>& Targets, const TOptional<FString>& CultureName)
{
	TSet<FString> LoadedDialogueWaveAssets;
	TSet<FString> LoadedSoundWaveAssets;

	for (const ULocalizationTarget* Target : Targets)
	{
		const FString RootAssetPath = Target->IsMemberOfEngineTargetSet() ? TEXT("/Engine") : TEXT("/Game");

		TArray<FString> CulturesToTest;
		{
			if (CultureName.IsSet())
			{
				CulturesToTest.Add(CultureName.GetValue());
			}
			else
			{
				CulturesToTest.Reserve(Target->Settings.SupportedCulturesStatistics.Num());
				for (const FCultureStatistics& CultureData : Target->Settings.SupportedCulturesStatistics)
				{
					CulturesToTest.Add(CultureData.CultureName);
				}
			}
		}

		TArray<FString> DialogueWavePathsToTest;
		TArray<FString> SoundWavePathsToTest;
		{
			const FString NativeCulture = Target->Settings.SupportedCulturesStatistics.IsValidIndex(Target->Settings.NativeCultureIndex) ? Target->Settings.SupportedCulturesStatistics[Target->Settings.NativeCultureIndex].CultureName : FString();
			const bool bImportNativeAsSource = Target->Settings.ImportDialogueSettings.bImportNativeAsSource && !NativeCulture.IsEmpty();
			if (bImportNativeAsSource)
			{
				DialogueWavePathsToTest.Add(RootAssetPath);
				SoundWavePathsToTest.Add(RootAssetPath / Target->Settings.ImportDialogueSettings.ImportedDialogueFolder);
			}

			for (const FString& Culture : CulturesToTest)
			{
				if (bImportNativeAsSource && Culture == NativeCulture)
				{
					continue;
				}

				DialogueWavePathsToTest.Add(RootAssetPath / TEXT("L10N") / Culture);
				SoundWavePathsToTest.Add(RootAssetPath / TEXT("L10N") / Culture / Target->Settings.ImportDialogueSettings.ImportedDialogueFolder);
			}
		}

		ForEachObjectOfClass(UDialogueWave::StaticClass(), [&](UObject* InObject)
		{
			const FString ObjectPath = InObject->GetPathName();

			auto FindAssetPathPredicate = [&](const FString& InAssetPath) -> bool
			{
				return ObjectPath.StartsWith(InAssetPath, ESearchCase::IgnoreCase);
			};

			if (DialogueWavePathsToTest.ContainsByPredicate(FindAssetPathPredicate))
			{
				LoadedDialogueWaveAssets.Add(ObjectPath);
			}
		});

		ForEachObjectOfClass(USoundWave::StaticClass(), [&](UObject* InObject)
		{
			const FString ObjectPath = InObject->GetPathName();

			auto FindAssetPathPredicate = [&](const FString& InAssetPath) -> bool
			{
				return ObjectPath.StartsWith(InAssetPath, ESearchCase::IgnoreCase);
			};

			if (SoundWavePathsToTest.ContainsByPredicate(FindAssetPathPredicate))
			{
				LoadedSoundWaveAssets.Add(ObjectPath);
			}
		});
	}

	if (LoadedDialogueWaveAssets.Num() > 0 || LoadedSoundWaveAssets.Num() > 0)
	{
		FTextBuilder MsgBuilder;
		MsgBuilder.AppendLine(LOCTEXT("Warning_LoadedAudioAssetsMsg", "The following audio assets have been loaded by the editor and may cause the dialogue import to fail as their files will be read-only."));
		MsgBuilder.AppendLine(FText::GetEmpty());
		MsgBuilder.AppendLine(LOCTEXT("Warning_LoadedAudioAssetsMsg_Continue", "Do you want to continue?"));
				
		if (LoadedDialogueWaveAssets.Num() > 0)
		{
			MsgBuilder.AppendLine(FText::GetEmpty());
			MsgBuilder.AppendLine(LOCTEXT("Warning_LoadedAudioAssetsMsg_DialogueWaves", "Dialogue Waves:"));

			MsgBuilder.Indent();
			for (const FString& LoadedDialogueWaveAsset : LoadedDialogueWaveAssets)
			{
				MsgBuilder.AppendLine(LoadedDialogueWaveAsset);
			}
			MsgBuilder.Unindent();
		}

		if (LoadedSoundWaveAssets.Num() > 0)
//.........这里部分代码省略.........

FString UpdateManager::HelloWorld() {
	UE_LOG(LogTemp, Log, TEXT("Hello, World"));
	return FString("Hello, I'm Happy!");
}

FString FLiveEditorWizardBase::GetAdvanceButtonText() const
{
	return (IsOnLastStep())? FString( TEXT("Finish") ) : FString( TEXT("Next") );
}

/**
 *	Create a search result from a server response
 *
 * @param ServerDetails Steam server details
 */
void FOnlineAsyncTaskSteamFindServerBase::ParseSearchResult(class gameserveritem_t* ServerDetails)
{
	TSharedRef<FInternetAddr> ServerAddr = ISocketSubsystem::Get(PLATFORM_SOCKETSUBSYSTEM)->CreateInternetAddr();

	ServerAddr->SetIp(ServerDetails->m_NetAdr.GetIP());
	ServerAddr->SetPort(ServerDetails->m_NetAdr.GetConnectionPort());
	int32 ServerQueryPort = ServerDetails->m_NetAdr.GetQueryPort();

	UE_LOG_ONLINE(Warning, TEXT("Server response IP:%s"), *ServerAddr->ToString(false));
	if (ServerDetails->m_bHadSuccessfulResponse)
	{
		FString GameTags(UTF8_TO_TCHAR(ServerDetails->m_szGameTags));

		// Check for build compatibility
		int32 ServerBuildId = 0;
		int32 BuildUniqueId = GetBuildUniqueId();

		TArray<FString> TagArray;
		GameTags.ParseIntoArray(TagArray, TEXT(","), true);
		if (TagArray.Num() > 0 && TagArray[0].StartsWith(STEAMKEY_BUILDUNIQUEID))
		{
			ServerBuildId = FCString::Atoi(*TagArray[0].Mid(ARRAY_COUNT(STEAMKEY_BUILDUNIQUEID)));
		}

		if (ServerBuildId != 0 && ServerBuildId == BuildUniqueId)
		{
			// Create a new pending search result 
			FPendingSearchResultSteam* NewPendingSearch = new (PendingSearchResults) FPendingSearchResultSteam(this);
			NewPendingSearch->ServerId = FUniqueNetIdSteam(ServerDetails->m_steamID);
			NewPendingSearch->HostAddr = ServerAddr;

			// Fill search result members
			FOnlineSessionSearchResult* NewSearchResult = &NewPendingSearch->PendingSearchResult;
			NewSearchResult->PingInMs = FMath::Clamp(ServerDetails->m_nPing, 0, MAX_QUERY_PING);

			// Fill session members
			FOnlineSession* NewSession = &NewSearchResult->Session;

			//NewSession->OwningUserId = ;
			NewSession->OwningUserName = UTF8_TO_TCHAR(ServerDetails->GetName());

			NewSession->NumOpenPublicConnections = ServerDetails->m_nMaxPlayers - ServerDetails->m_nPlayers;
			NewSession->NumOpenPrivateConnections = 0;

			// Fill session settings members
			NewSession->SessionSettings.NumPublicConnections = ServerDetails->m_nMaxPlayers;
			NewSession->SessionSettings.NumPrivateConnections = 0;
			NewSession->SessionSettings.bAntiCheatProtected = ServerDetails->m_bSecure ? true : false;
			NewSession->SessionSettings.Set(SETTING_MAPNAME, FString(UTF8_TO_TCHAR(ServerDetails->m_szMap)), EOnlineDataAdvertisementType::ViaOnlineService);

			// Start a rules request for this new result
			NewPendingSearch->ServerQueryHandle = SteamMatchmakingServersPtr->ServerRules(ServerDetails->m_NetAdr.GetIP(), ServerQueryPort, NewPendingSearch);
			if (NewPendingSearch->ServerQueryHandle == HSERVERQUERY_INVALID)
			{
				// Remove the failed element
				PendingSearchResults.RemoveAtSwap(PendingSearchResults.Num() - 1);
			}
		}
		else
		{
			UE_LOG_ONLINE(Warning, TEXT("Removed incompatible build: ServerBuildUniqueId = 0x%08x, GetBuildUniqueId() = 0x%08x"),
				ServerBuildId, BuildUniqueId);
		}
	}
}

FString UBlackboardKeyType_NativeEnum::DescribeValue(const uint8* RawData) const
{
	return EnumType ? EnumType->GetEnumName(GetValue(RawData)) : FString("UNKNOWN!");
}

void FTODAssetPropertyDetails::CustomizeDetails(IDetailLayoutBuilder& DetailLayout)
{
	const IDetailsView& DetailView = DetailLayout.GetDetailsView();
	//first find asset we are going to edit.
	TWeakObjectPtr<UObject> InspectedObject;
	for (TWeakObjectPtr<UObject> inspObj : DetailView.GetSelectedObjects())
	{
		InspectedObject = inspObj;
		break;
	}

	UTODAsset* TODAsset = Cast<UTODAsset>(InspectedObject.Get());
	CurrentTODAsset = Cast<UTODAsset>(InspectedObject.Get());
	if (TODAsset)
	{
		for (TFieldIterator<UProperty> PropIt(TODAsset->GetClass()); PropIt; ++PropIt)
		{
			UProperty* prop = *PropIt;
			DetailLayout.HideProperty(prop->GetFName());
			//PropertyHandles.Add(DetailLayout.GetProperty(prop->GetFName()));
			UStructProperty* structProp = Cast<UStructProperty>(prop);
			if (structProp)
			{
				FRuntimeFloatCurve* floatCurve = structProp->ContainerPtrToValuePtr<FRuntimeFloatCurve>(TODAsset);
				if (floatCurve)
				{
					TSharedPtr<FTODFloatCurveProperty> tempFloatProp = MakeShareable(new FTODFloatCurveProperty());
					tempFloatProp->PropertyHandle = DetailLayout.GetProperty(prop->GetFName());
					tempFloatProp->TODAsset = TODAsset;
					tempFloatProp->CategoryName = tempFloatProp->PropertyHandle->GetMetaData(TEXT("Category"));
					FloatCurves.Add(tempFloatProp);
				}
			}

		}
	}
	IDetailCategoryBuilder& DetailCategoryBuilder = DetailLayout.EditCategory("Property Detail");
	FDetailWidgetRow& DetailRow = DetailCategoryBuilder.AddCustomRow(FString("Custom Row"));
	////now customize each property
	//FRuntimeFloatCurve* floatCurve;

	TSharedPtr<IPropertyHandle> hour = DetailLayout.GetProperty(TEXT("Hour"));
	DetailCategoryBuilder.AddProperty(hour);


	IDetailCategoryBuilder& SunCategoryBuilder = DetailLayout.EditCategory("Sun");
	IDetailCategoryBuilder& AFCategoryBuilder = DetailLayout.EditCategory("Atmospheric Fog");
	IDetailCategoryBuilder& HFCategoryBuilder = DetailLayout.EditCategory("Height Fog");
	IDetailCategoryBuilder& PPCategoryBuilder = DetailLayout.EditCategory("Post Process");
	IDetailCategoryBuilder& SkyLightCategoryBuilder = DetailLayout.EditCategory("SkyLight");
	IDetailCategoryBuilder& MoonCategoryBuilder = DetailLayout.EditCategory("Moon");
	for (TSharedPtr<FTODFloatCurveProperty> floatCurves : FloatCurves)
	{
		if (floatCurves->CategoryName == FString("Sun"))
			floatCurves->ConstructWidget(SunCategoryBuilder);

		if (floatCurves->CategoryName == FString("Atmospheric Fog"))
			floatCurves->ConstructWidget(AFCategoryBuilder);

		if (floatCurves->CategoryName == FString("Height Fog"))
			floatCurves->ConstructWidget(HFCategoryBuilder);

		if (floatCurves->CategoryName == FString("Post Process"))
			floatCurves->ConstructWidget(PPCategoryBuilder);

		if (floatCurves->CategoryName == FString("SkyLight"))
			floatCurves->ConstructWidget(SkyLightCategoryBuilder);

		if (floatCurves->CategoryName == FString("Moon"))
			floatCurves->ConstructWidget(MoonCategoryBuilder);
	}
}

FOculusInput::FOculusInput( const TSharedRef< FGenericApplicationMessageHandler >& InMessageHandler )
	: MessageHandler( InMessageHandler )
	, ControllerPairs()
	, TriggerThreshold(0.8f)
{
	// Initializes LibOVR. 
	ovrInitParams initParams;
	FMemory::Memset(initParams, 0);
	initParams.Flags = ovrInit_RequestVersion;
	initParams.RequestedMinorVersion = OVR_MINOR_VERSION;
#if !UE_BUILD_SHIPPING
//	initParams.LogCallback = OvrLogCallback;
#endif

	ovrResult initStatus = ovr_Initialize(&initParams);
	if (!OVR_SUCCESS(initStatus) && initStatus == ovrError_LibLoad)
	{
		// fatal errors: can't load library
 		UE_LOG(LogOcInput, Log, TEXT("Can't find Oculus library %s: is proper Runtime installed? Version: %s"),
 			TEXT(OVR_FILE_DESCRIPTION_STRING), TEXT(OVR_VERSION_STRING));
		return;
	}

	FOculusTouchControllerPair& ControllerPair = *new(ControllerPairs) FOculusTouchControllerPair();

	// @todo: Unreal controller index should be assigned to us by the engine to ensure we don't contest with other devices
	ControllerPair.UnrealControllerIndex = 0; //???? NextUnrealControllerIndex++;

	// Load the config, even if we failed to initialize a controller
	LoadConfig();

	IModularFeatures::Get().RegisterModularFeature( GetModularFeatureName(), this );
	GEngine->MotionControllerDevices.AddUnique(this);

	// Register the FKeys
	EKeys::AddKey(FKeyDetails(FOculusTouchCapacitiveKey::OculusTouch_Left_Thumbstick, LOCTEXT("OculusTouch_Left_Thumbstick", "Oculus Touch (L) Thumbstick CapTouch"), FKeyDetails::GamepadKey | FKeyDetails::FloatAxis));
	EKeys::AddKey(FKeyDetails(FOculusTouchCapacitiveKey::OculusTouch_Left_FaceButton1, LOCTEXT("OculusTouch_Left_FaceButton1", "Oculus Touch (L) X Button CapTouch"), FKeyDetails::GamepadKey | FKeyDetails::FloatAxis));
	EKeys::AddKey(FKeyDetails(FOculusTouchCapacitiveKey::OculusTouch_Left_Trigger, LOCTEXT("OculusTouch_Left_Trigger", "Oculus Touch (L) Trigger CapTouch"), FKeyDetails::GamepadKey | FKeyDetails::FloatAxis));
	EKeys::AddKey(FKeyDetails(FOculusTouchCapacitiveKey::OculusTouch_Left_FaceButton2, LOCTEXT("OculusTouch_Left_FaceButton2", "Oculus Touch (L) Y Button CapTouch"), FKeyDetails::GamepadKey | FKeyDetails::FloatAxis));
	EKeys::AddKey(FKeyDetails(FOculusTouchCapacitiveKey::OculusTouch_Left_IndexPointing, LOCTEXT("OculusTouch_Left_IndexPointing", "Oculus Touch (L) Pointing CapTouch"), FKeyDetails::GamepadKey | FKeyDetails::FloatAxis));
	EKeys::AddKey(FKeyDetails(FOculusTouchCapacitiveKey::OculusTouch_Left_ThumbUp, LOCTEXT("OculusTouch_Left_ThumbUp", "Oculus Touch (L) Thumb Up CapTouch"), FKeyDetails::GamepadKey | FKeyDetails::FloatAxis));

	EKeys::AddKey(FKeyDetails(FOculusTouchCapacitiveKey::OculusTouch_Right_Thumbstick, LOCTEXT("OculusTouch_Right_Thumbstick", "Oculus Touch (R) Thumbstick CapTouch"), FKeyDetails::GamepadKey | FKeyDetails::FloatAxis));
	EKeys::AddKey(FKeyDetails(FOculusTouchCapacitiveKey::OculusTouch_Right_FaceButton1, LOCTEXT("OculusTouch_Right_FaceButton1", "Oculus Touch (R) A Button CapTouch"), FKeyDetails::GamepadKey | FKeyDetails::FloatAxis));
	EKeys::AddKey(FKeyDetails(FOculusTouchCapacitiveKey::OculusTouch_Right_Trigger, LOCTEXT("OculusTouch_Right_Trigger", "Oculus Touch (R) Trigger CapTouch"), FKeyDetails::GamepadKey | FKeyDetails::FloatAxis));
	EKeys::AddKey(FKeyDetails(FOculusTouchCapacitiveKey::OculusTouch_Right_FaceButton2, LOCTEXT("OculusTouch_Right_FaceButton2", "Oculus Touch (R) B Button CapTouch"), FKeyDetails::GamepadKey | FKeyDetails::FloatAxis));
	EKeys::AddKey(FKeyDetails(FOculusTouchCapacitiveKey::OculusTouch_Right_IndexPointing, LOCTEXT("OculusTouch_Right_IndexPointing", "Oculus Touch (R) Pointing CapTouch"), FKeyDetails::GamepadKey | FKeyDetails::FloatAxis));
	EKeys::AddKey(FKeyDetails(FOculusTouchCapacitiveKey::OculusTouch_Right_ThumbUp, LOCTEXT("OculusTouch_Right_ThumbUp", "Oculus Touch (R) Thumb Up CapTouch"), FKeyDetails::GamepadKey | FKeyDetails::FloatAxis));

	UE_LOG(LogOcInput, Log, TEXT("OculusInput is initialized. Init status %d. Runtime version: %s"), int(initStatus), *FString(ANSI_TO_TCHAR(ovr_GetVersionString())));
}

//Rama's String From Binary Array
//This function requires #include <string>
FString CloudyWebAPIImpl::StringFromBinaryArray(const TArray<uint8>& BinaryArray)
{
    //Create a string from a byte array!
    std::string cstr(reinterpret_cast<const char*>(BinaryArray.GetData()), BinaryArray.Num());
    return FString(cstr.c_str());
}

	virtual bool TestBasicStringExpression(const FTextFilterString& InValue, const ETextFilterTextComparisonMode InTextComparisonMode) const override
	{
		const TCHAR* Ptr = AssetFullPath.GetCharArray().GetData();
		if (Ptr)
		{
			// Test each piece of the path name, apart from the first
			bool bIsFirst = true;
			while (const TCHAR* Delimiter = FCString::Strchr(Ptr, '/'))
			{
				const int32 Length = Delimiter - Ptr;

				if (Length > 0)
				{
					if (bIsFirst)
					{
						bIsFirst = false;
					}
					else
					{
						if (TextFilterUtils::TestBasicStringExpression(FString(Length, Ptr), InValue, InTextComparisonMode))
						{
							return true;
						}
					}
				}

				Ptr += (Length + 1);
			}

			if (*Ptr != 0)
			{
				if (TextFilterUtils::TestBasicStringExpression(Ptr, InValue, InTextComparisonMode))
				{
					return true;
				}
			}
		}

		if (bIncludeClassName)
		{
			if (TextFilterUtils::TestBasicStringExpression(AssetPtr->AssetClass, InValue, InTextComparisonMode))
			{
				return true;
			}

			// Only test this if we're searching the class name too, as the exported text contains the type in the string
			if (TextFilterUtils::TestBasicStringExpression(AssetExportTextName, InValue, InTextComparisonMode))
			{
				return true;
			}
		}

		for (const FName& AssetCollectionName : AssetCollectionNames)
		{
			if (TextFilterUtils::TestBasicStringExpression(AssetCollectionName, InValue, InTextComparisonMode))
			{
				return true;
			}
		}

		return false;
	}

void FDirectoryWatchRequestWindows::ProcessChange(uint32 Error, uint32 NumBytes)
{
	if (Error == ERROR_OPERATION_ABORTED || NumBytes == 0 ) 
	{
		// The operation was aborted, likely due to EndWatchRequest canceling it.
		// Mark the request for delete so it can be cleaned up next tick.
		bPendingDelete = true; 
		return; 
	}

	bool bValidNotification = (Error != ERROR_OPERATION_ABORTED && Error != ERROR_IO_INCOMPLETE && NumBytes > 0 );

	// Copy the change to the backbuffer so we can start a new read as soon as possible
	if ( bValidNotification )
	{		
		check(BackBuffer);
		FMemory::Memcpy(BackBuffer, Buffer, NumBytes);
	}

	// Start up another read
	const bool bSuccess = !!::ReadDirectoryChangesW(
		DirectoryHandle,
		Buffer,
		BufferLength,
		bWatchSubtree,
		NotifyFilter,
		NULL,
		&Overlapped,
		&FDirectoryWatchRequestWindows::ChangeNotification);

	if ( !bValidNotification )
	{
		UE_LOG(LogDirectoryWatcher, Warning, TEXT("A directory notification failed for '%s' because it was aborted or there was a buffer overflow."), *Directory);
		return;
	}

	// No need to process the change if we can not execute any delegates
	if ( !HasDelegates() )
	{
		return;
	}

	// Process the change
	uint8* InfoBase = BackBuffer;
	do
	{
		FILE_NOTIFY_INFORMATION* NotifyInfo = (FILE_NOTIFY_INFORMATION*)InfoBase;

		// Copy the WCHAR out of the NotifyInfo so we can put a NULL terminator on it and convert it to a FString
		const int32 Len = NotifyInfo->FileNameLength / sizeof(WCHAR);
		WCHAR* RawFilename = new WCHAR[Len + 1];
		FMemory::Memcpy(RawFilename, NotifyInfo->FileName, NotifyInfo->FileNameLength);
		RawFilename[Len] = 0;

		FFileChangeData::EFileChangeAction Action;
		switch(NotifyInfo->Action)
		{
			case FILE_ACTION_ADDED:
			case FILE_ACTION_RENAMED_NEW_NAME:
				Action = FFileChangeData::FCA_Added;
				break;

			case FILE_ACTION_REMOVED:
			case FILE_ACTION_RENAMED_OLD_NAME:
				Action = FFileChangeData::FCA_Removed;
				break;

			case FILE_ACTION_MODIFIED:
				Action = FFileChangeData::FCA_Modified;
				break;

			default:
				Action = FFileChangeData::FCA_Unknown;
				break;
		}

		// WCHAR to TCHAR conversion. In windows this is probably okay.
		const FString Filename = Directory / FString(RawFilename);
		new (FileChanges) FFileChangeData(Filename, Action);

		// Delete the scratch WCHAR*
		delete[] RawFilename;

		// If there is not another entry, break the loop
		if ( NotifyInfo->NextEntryOffset == 0 )
		{
			break;
		}

		// Adjust the offset and update the NotifyInfo pointer
		InfoBase += NotifyInfo->NextEntryOffset;
	}
	while(true);
}

FString UKismetStringLibrary::Conv_ObjectToString(class UObject* InObj)
{
	return (InObj != NULL) ? InObj->GetName() : FString(TEXT("None"));
}

int CSVParser::ReadPropertyDataCSV(const char* FileName, Utils::FHashMap<SongDetails>& OutputMap, bool FirstRowDiscarded, char elem_delim, char row_delim)
{
	int lineNumber = 0;
	std::string line, linetoken;
	std::ifstream ifile(FileName);
	if (!ifile) {	//file can't be opened
		return -1;
	}
	/* before going on I want to point out one thing:
	* I HATE std::getline
	* and obviously std::getline hates me.
	* It is important you remember that
	* if you touch std::getline code
	* std::getline will take its revenge on you. */
	if (FirstRowDiscarded)
	{
		if (!std::getline(ifile, line, row_delim))
			return 0;
	}
	while (std::getline(ifile, line, row_delim))
	{
#ifdef DEBUG_CSV_CONTENT
		UE_LOG(LogTemp, Log, TEXT("new line: \n%s\ntokenized as"), *FString(line.c_str()));
		//DEBUG(line.c_str())
#endif
		std::istringstream str_parser;
		bool found = false;
		str_parser.str(line);
		TArray<FString> SeparatedLine = TArray<FString>();
		FString ElementID;		//first column is Element ID.
		FString DimensionID = "";	//second column is Dimension ID
		std::getline(str_parser, linetoken, elem_delim);
		ElementID = Utils::CustomUnquote(FString(linetoken.c_str()));
		try {
			OutputMap.at(ElementID);
			found = true;
		}
		catch (std::out_of_range e) {
			found = false;
		}
		if (found) {	//if failed to load line, jump to next line
			FSongProperty property;
			std::getline(str_parser, linetoken, elem_delim);
			DimensionID = Utils::CustomUnquote(FString(linetoken.c_str()));

			while (std::getline(str_parser, linetoken, elem_delim)) {	//from third element to end of line
				SeparatedLine.Add(Utils::CustomUnquote(FString(linetoken.c_str())));	//append
#ifdef DEBUG_CSV_CONTENT
				UE_LOG(LogTemp, Log, TEXT("%s"), *Utils::CustomUnquote(FString(linetoken.c_str())));
				//DEBUG(linetoken.c_str())
#endif
			}
			property << SeparatedLine;
			if (DimensionID.Len() > 0)
			{
				OutputMap[ElementID].Properties[DimensionID] = property;
			}
			lineNumber++;
		}
#ifdef DEBUG_CSV_CONTENT
		UE_LOG(LogTemp, Log, TEXT(" . . . . . . ."));
#endif
	}
	ifile.close();
	return lineNumber;
}

/** Create a tokenized message record from a message containing @@ indicating where each UObject* in the ArgPtr list goes and place it in the MessageLog. */
void FCompilerResultsLog::InternalLogMessage(const EMessageSeverity::Type& Severity, const TCHAR* Message, va_list ArgPtr)
{
	UEdGraphNode* OwnerNode = nullptr;

	// Create the tokenized message
	TSharedRef<FTokenizedMessage> Line = FTokenizedMessage::Create( Severity );
	Messages.Add(Line);

	const TCHAR* DelimiterStr = TEXT("@@");
	int32 DelimLength = FCString::Strlen(DelimiterStr);

	const TCHAR* Start = Message;
	if (Start && DelimLength)
	{
		while (const TCHAR* At = FCString::Strstr(Start, DelimiterStr))
		{
			// Found a delimiter, create a token from the preceding text
			Line->AddToken( FTextToken::Create( FText::FromString( FString(At - Start, Start) ) ) );
			Start += DelimLength + (At - Start);

			// And read the object and add another token for the object
			UObject* ObjectArgument = va_arg(ArgPtr, UObject*);

			FText ObjText;
			if (ObjectArgument)
			{
				// Remap object references to the source nodes
				ObjectArgument = FindSourceObject(ObjectArgument);

				if (ObjectArgument)
				{
					UEdGraphNode* Node = Cast<UEdGraphNode>(ObjectArgument);
					const UEdGraphPin* Pin = (Node? nullptr : Cast<UEdGraphPin>(ObjectArgument));

					//Get owner node reference, consider the first 
					if (OwnerNode == nullptr)
					{
						OwnerNode = (Pin ? Pin->GetOwningNodeUnchecked() : Node);
					}

					if (ObjectArgument->GetOutermost() == GetTransientPackage())
					{
						ObjText = LOCTEXT("Transient", "(transient)");					
					}
					else if (Node != NULL)
					{
						ObjText = Node->GetNodeTitle(ENodeTitleType::ListView);
					}
					else if (Pin != NULL)
					{
						ObjText = Pin->GetDisplayName();
					}
					else
					{
						ObjText = FText::FromString( ObjectArgument->GetName() );
					}
				}
				else
				{
					ObjText = LOCTEXT("None", "(none)");
				}

			}
			else
			{
				ObjText = LOCTEXT("None", "(none)");
			}
			
			Line->AddToken( FUObjectToken::Create( ObjectArgument, ObjText ) );
		}
		Line->AddToken( FTextToken::Create( FText::FromString( Start ) ) );
	}

	va_end(ArgPtr);

	// Register node error/warning.
	AnnotateNode(OwnerNode, Line);

	if( !bSilentMode && (!bLogInfoOnly || (Severity == EMessageSeverity::Info)) )
	{
		if(Severity == EMessageSeverity::CriticalError || Severity == EMessageSeverity::Error)
		{
			UE_LOG(LogBlueprint, Error, TEXT("[compiler] %s"), *Line->ToText().ToString());
		}
		else if(Severity == EMessageSeverity::Warning || Severity == EMessageSeverity::PerformanceWarning)
		{
			UE_LOG(LogBlueprint, Warning, TEXT("[compiler] %s"), *Line->ToText().ToString());
		}
		else
		{
			UE_LOG(LogBlueprint, Log, TEXT("[compiler] %s"), *Line->ToText().ToString());
		}
	}
}