IBreakIterator.h

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// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
 
#include "CoreTypes.h"
#include "Containers/StringView.h"
#include "Internationalization/Text.h"
 
class IBreakIterator
{
public:
    virtual ~IBreakIterator() = default;
 
    virtual void SetString(const FText& InText)
    {
        SetString(CopyTemp(InText.ToString()));
    }
    virtual void SetString(const FString& InString)
    {
        SetString(CopyTemp(InString));
    }
    virtual void SetString(const TCHAR* const InString, const int32 InStringLength)
    {
        SetString(FString::ConstructFromPtrSize(InString, (!InString || *InString == TEXT('\0')) ? 0 : InStringLength));
    }
    virtual void SetString(FString&& InString) = 0;
    
    virtual void SetStringRef(const FText& InText)
    {
        SetStringRef(FStringView(InText.ToString()));
    }
    virtual void SetStringRef(const FString& InString)
    {
        SetStringRef(FStringView(InString));
    }
    virtual void SetStringRef(const TCHAR* const InString, const int32 InStringLength)
    {
        SetStringRef(FStringView(InString, InStringLength));
    }
    virtual void SetStringRef(const FString* InString)
    {
        check(InString);
        SetStringRef(FStringView(*InString));
    }
    virtual void SetStringRef(FStringView InString) = 0;
 
    virtual void ClearString()
    {
        SetStringRef(FStringView());
    }
 
    virtual int32 GetCurrentPosition() const = 0;
 
    virtual int32 ResetToBeginning() = 0;
    virtual int32 ResetToEnd() = 0;
 
    virtual int32 MoveToPrevious() = 0;
    virtual int32 MoveToNext() = 0;
    virtual int32 MoveToCandidateBefore(const int32 InIndex) = 0;
    virtual int32 MoveToCandidateAfter(const int32 InIndex) = 0;
};