Files
UnrealEngine/Engine/Source/Runtime/Projects/Private/JsonExtensions.h
2025-05-18 13:04:45 +08:00

46 lines
1.3 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
#include "Serialization/JsonSerializer.h"
namespace JsonExtensions
{
/** Get the field named FieldName as an array of strings. Returns false if it doesn't exist or any member cannot be converted. */
inline bool TryGetStringArrayFieldWithDeprecatedFallback(const FJsonObject& JsonObject, const FString& FieldName, const FString& DeprecatedFieldName, TArray<FString>& OutArray)
{
if (JsonObject.TryGetStringArrayField(FieldName, /*out*/ OutArray))
{
return true;
}
else if (JsonObject.TryGetStringArrayField(DeprecatedFieldName, /*out*/ OutArray))
{
//@TODO: Warn about deprecated field fallback?
return true;
}
else
{
return false;
}
}
/** Get the field named FieldName as an array of enums. Returns false if it doesn't exist or any member is not a string. */
template<typename TEnum>
inline bool TryGetEnumArrayFieldWithDeprecatedFallback(const FJsonObject& JsonObject, const FString& FieldName, const FString& DeprecatedFieldName, TArray<TEnum>& OutArray)
{
if (JsonObject.TryGetEnumArrayField<TEnum>(FieldName, /*out*/ OutArray))
{
return true;
}
else if (JsonObject.TryGetEnumArrayField<TEnum>(DeprecatedFieldName, /*out*/ OutArray))
{
//@TODO: Warn about deprecated field fallback?
return true;
}
else
{
return false;
}
}
}