DefaultValueHelper.h

Go to the documentation of this file.

// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "Containers/UnrealString.h"
#include "CoreTypes.h"
#include "Math/MathFwd.h"
#include "Misc/Timespan.h"
 
struct FColor;
struct FLinearColor;
 
//
//  FDefaultValueHelper
//
 
class FDefaultValueHelper
{
    static TCHAR TS(const TCHAR* Sign);
 
    static bool IsWhitespace(TCHAR Char);
 
    static bool Trim(int32& Pos, const FString& Source);
 
    static const TCHAR* StartOf(const FString& Source);
 
    static const TCHAR* EndOf(const FString& Source);
 
    static bool Trim(const TCHAR* & Start, const TCHAR* End );
 
    static bool IsStringValidFloat(const TCHAR* Start, const TCHAR* End);
 
    static bool IsStringValidInteger(const TCHAR* Start, const TCHAR* End, int32& OutBase);
    static bool IsStringValidInteger(const TCHAR* Start, const TCHAR* End);
 
public:
 
    static CORE_API FString GetUnqualifiedEnumValue(const FString& Source);
 
    static CORE_API bool HasWhitespaces(const FString& Source);
 
    static CORE_API FString RemoveWhitespaces(const FString& Source);
 
    static CORE_API bool GetParameters(const FString& Source, const FString& TypeName, FString& OutForm);
 
    static CORE_API bool Is(const FString& Source, const TCHAR* CompareStr);
 
    static CORE_API bool StringFromCppString(const FString& Source, const FString& TypeName, FString& OutForm);
 
    /*
     *  Following functions accept c++ style representations of numbers.
     *  e.g. 13.5e-2f for float or -0x123 for int
     */
    static CORE_API bool IsStringValidInteger(const FString& Source);
 
    static CORE_API bool IsStringValidFloat(const FString& Source);
 
    static CORE_API bool IsStringValidVector(const FString& Source);
 
    static CORE_API bool IsStringValidRotator(const FString& Source);
 
    static CORE_API bool IsStringValidLinearColor(const FString& Source);
 
 
    static CORE_API bool ParseInt(const FString& Source, int32& OutVal);
 
    static CORE_API bool ParseBool(const FString& Source, bool& OutVal);
 
    static CORE_API bool ParseInt64(const FString& Source, int64& OutVal);
 
    static CORE_API bool ParseFloat(const FString& Source, float& OutVal);
 
    static CORE_API bool ParseDouble(const FString& Source, double& OutVal);
 
    static CORE_API bool ParseVector(const FString& Source, FVector3f& OutVal);
    static CORE_API bool ParseVector(const FString& Source, FVector3d& OutVal);
 
    static CORE_API bool ParseVector2D(const FString& Source, FVector2f& OutVal);
    static CORE_API bool ParseVector2D(const FString& Source, FVector2d& OutVal);
 
    static CORE_API bool ParseVector4(const FString& Source, FVector4f& OutVal);
    static CORE_API bool ParseVector4(const FString& Source, FVector4d& OutVal);
 
    static CORE_API bool ParseRotator(const FString& Source, FRotator3f& OutVal);
    static CORE_API bool ParseRotator(const FString& Source, FRotator3d& OutVal);
 
    static CORE_API bool ParseLinearColor(const FString& Source, FLinearColor& OutVal);
 
    static CORE_API bool ParseColor(const FString& Source, FColor& OutVal);
};