PolyglotTextSource.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreTypes.h"
#include "HAL/CriticalSection.h"
#include "Internationalization/ILocalizedTextSource.h"
#include "Internationalization/LocKeyFuncs.h"
#include "Internationalization/PolyglotTextData.h" // IWYU pragma: keep
 
class FPolyglotTextSource : public ILocalizedTextSource
{
public:
    //~ ILocalizedTextSource interface
    virtual int32 GetPriority() const override { return ELocalizedTextSourcePriority::Highest; }
    virtual bool GetNativeCultureName(const ELocalizedTextSourceCategory InCategory, FString& OutNativeCultureName) override;
    virtual void GetLocalizedCultureNames(const ELocalizationLoadFlags InLoadFlags, TSet<FString>& OutLocalizedCultureNames) override;
    virtual void LoadLocalizedResources(const ELocalizationLoadFlags InLoadFlags, TArrayView<const FString> InPrioritizedCultures, FTextLocalizationResource& InOutNativeResource, FTextLocalizationResource& InOutLocalizedResource) override;
    virtual EQueryLocalizedResourceResult QueryLocalizedResource(const ELocalizationLoadFlags InLoadFlags, TArrayView<const FString> InPrioritizedCultures, const FTextId InTextId, FTextLocalizationResource& InOutNativeResource, FTextLocalizationResource& InOutLocalizedResource) override;
 
    void RegisterPolyglotTextData(const FPolyglotTextData& InPolyglotTextData);
 
private:
    void RegisterCultureNames(const FPolyglotTextData& InPolyglotTextData);
 
    void UnregisterCultureNames(const FPolyglotTextData& InPolyglotTextData);
 
    void AddPolyglotDataToResource(const FPolyglotTextData& InPolyglotTextData, const ELocalizationLoadFlags InLoadFlags, TArrayView<const FString> InPrioritizedCultures, FTextLocalizationResource& InOutNativeResource, FTextLocalizationResource& InOutLocalizedResource) const;
 
    struct FCultureInfo
    {
        TMap<FString, int32> NativeCultures;
        TMap<FString, int32> LocalizedCultures;
    };
 
    TMap<ELocalizedTextSourceCategory, FCultureInfo> AvailableCultureInfo;
 
    TMap<FTextId, FPolyglotTextData> PolyglotTextDataMap;
 
    mutable FCriticalSection PolyglotDataCS;
};