JsonTypes.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "Misc/TVariant.h"
 
class Error;
 
enum class EJson
{
    None,
    Null,
    String,
    Number,
    Boolean,
    Array,
    Object
};
 
 
enum class EJsonToken
{
    None,
    Comma,
    CurlyOpen,
    CurlyClose,
    SquareOpen,
    SquareClose,
    Colon,
    String,
 
    // short values
    Number,
    True,
    False,
    Null,
 
    Identifier
};
 
inline bool EJsonToken_IsShortValue(EJsonToken Token)
{
    return Token >= EJsonToken::Number && Token <= EJsonToken::Null;
}
 
enum class EJsonNotation
{
    ObjectStart,
    ObjectEnd,
    ArrayStart,
    ArrayEnd,
    Boolean,
    String,
    Number,
    Null,
    Error
};
 
using FJsonSerializableArray = TArray<FString>;
using FJsonSerializableArrayInt = TArray<int32>;
using FJsonSerializableArrayFloat = TArray<float>;
 
using FJsonSerializableKeyValueMap = TMap<FString, FString>;
using FJsonSerializableKeyValueMapInt = TMap<FString, int32>;
using FJsonSerializableKeyValueMapInt64 = TMap<FString, int64>;
using FJsonSerializableKeyValueMapFloat = TMap<FString, float>;
using FJsonSerializableKeyValueMapArrayInt = TMap<FString, FJsonSerializableArrayInt>;
 
using JsonNumberValueVariants = TVariant<int32, uint32, int64, float, double>; 
 
using JsonSimpleValueVariant = TVariant<bool /* EJson::Boolean */, JsonNumberValueVariants /* EJson::Number */, FString /* EJson::String */>;
 
using FJsonSerializableKeySimpleValueVariantMap = TMap<FString, JsonSimpleValueVariant>;