JsonExtensions.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "Serialization/JsonSerializer.h"
 
namespace JsonExtensions
{
    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;
        }
    }
 
    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;
        }
    }
}