JsonObjectDeserialization.h

// Copyright 2022 Stream.IO, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
 
class FJsonValue;
class FJsonObject;
 
namespace JsonObjectDeserialization
{
STREAMJSON_API bool JsonObjectToUStruct(const TSharedRef<FJsonObject>& JsonObject, const UStruct* StructDefinition, void* OutStruct);
 
template <typename OutStructType>
bool JsonObjectToUStruct(const TSharedRef<FJsonObject>& JsonObject, OutStructType* OutStruct)
{
    const bool bSuccess = JsonObjectToUStruct(JsonObject, OutStructType::StaticStruct(), OutStruct);
    return bSuccess;
}
 
bool JsonAttributesToUStruct(const TMap<FString, TSharedPtr<FJsonValue>>& JsonAttributes, const UStruct* StructDefinition, void* OutStruct);
 
STREAMJSON_API bool JsonObjectStringToJsonObject(const FString& JsonString, TSharedPtr<FJsonObject>& OutObject);
 
template <typename OutStructType>
bool JsonObjectStringToUStruct(const FString& JsonString, OutStructType* OutStruct)
{
    TSharedPtr<FJsonObject> JsonObject;
    if (!JsonObjectDeserialization::JsonObjectStringToJsonObject(JsonString, JsonObject))
    {
        UE_LOG(LogTemp, Warning, TEXT("JsonObjectStringToUStruct - Unable to parse json=[%s]"), *JsonString);
        return false;
    }
    if (!JsonObjectDeserialization::JsonObjectToUStruct(JsonObject.ToSharedRef(), OutStruct))
    {
        UE_LOG(LogTemp, Warning, TEXT("JsonObjectStringToUStruct - Unable to deserialize. json=[%s]"), *JsonString);
        return false;
    }
    return true;
}
 
STREAMJSON_API bool ParseIso8601(const TCHAR* DateTimeString, FDateTime& OutDateTime);
};    // namespace JsonObjectDeserialization