// Copyright Epic Games, Inc. All Rights Reserved.

#pragma once

#include "CoreMinimal.h"
#include "UObject/ObjectMacros.h"
#include "UObject/Object.h"

/**
 * Implements an object that buffers text.
 *
 * The text is contiguous and, if of nonzero length, is terminated by a NULL at the very last position.
 */
class UTextBuffer
    : public UObject
    , public FOutputDevice
{
    DECLARE_CASTED_CLASS_INTRINSIC_WITH_API(UTextBuffer, UObject, 0, TEXT("/Script/CoreUObject"), CASTCLASS_None, COREUOBJECT_API)

public:
    /**
     * Creates and initializes a new text buffer.
     *
     * @param ObjectInitializer Initialization properties.
     * @param InText The initial text.
     */
    COREUOBJECT_API UTextBuffer(const FObjectInitializer& ObjectInitializer, const TCHAR* InText);

    /**
     * Creates and initializes a new text buffer.
     *
     * @param InText - The initial text.
     */
    COREUOBJECT_API UTextBuffer(const TCHAR* InText);

public:
    /**
     * Gets the buffered text.
     *
     * @return The text.
     */
    const FString& GetText() const
    {
        return Text;
    }

public:
    virtual void Serialize(FArchive& Ar) override;
    virtual void Serialize(FStructuredArchive::FRecord Record) override;
    virtual void Serialize(const TCHAR* Data, ELogVerbosity::Type Verbosity, const class FName& Category) override;
    virtual void Serialize(const TCHAR* V, ELogVerbosity::Type Verbosity, const class FName& Category, const double Time) override;

private:
    int32 Pos, Top;

    /** Holds the text. */
    FString Text;
};