StringFormatArg.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
// HEADER_UNIT_SKIP - Included through UnrealString.h
 
#include "Containers/ContainersFwd.h"
 
struct FStringFormatArg
{
    enum EType { Int, UInt, Double, String, StringLiteralANSI, StringLiteralWIDE, StringLiteralUCS2, StringLiteralUTF8 };
 
    EType Type;
 
    /* todo: convert this to a TVariant */
    union
    {
        int64 IntValue;
        uint64 UIntValue;
        double DoubleValue;
        const ANSICHAR* StringLiteralANSIValue;
        const WIDECHAR* StringLiteralWIDEValue;
        const UCS2CHAR* StringLiteralUCS2Value;
        const UTF8CHAR* StringLiteralUTF8Value;
    };
 
    FString StringValue;
 
    FStringFormatArg() = delete;
    ~FStringFormatArg() = default;
 
    CORE_API FStringFormatArg(const int32 Value);
    CORE_API FStringFormatArg(const uint32 Value);
    CORE_API FStringFormatArg(const int64 Value);
    CORE_API FStringFormatArg(const uint64 Value);
    CORE_API FStringFormatArg(const float Value);
    CORE_API FStringFormatArg(const double Value);
    CORE_API FStringFormatArg(FString Value);
    CORE_API FStringFormatArg(FStringView Value);
    CORE_API FStringFormatArg(const ANSICHAR* Value);
    CORE_API FStringFormatArg(const WIDECHAR* Value);
    CORE_API FStringFormatArg(const UCS2CHAR* Value);
    CORE_API FStringFormatArg(const UTF8CHAR* Value);
 
    FStringFormatArg(const FStringFormatArg& Other)
    {
        *this = Other;
    }
    FStringFormatArg(FStringFormatArg&& Other)
    {
        *this = MoveTemp(Other);
    }
    
    CORE_API FStringFormatArg& operator=(const FStringFormatArg& Other);
    CORE_API FStringFormatArg& operator=(FStringFormatArg&& Other);
 
};