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#rnx #rb none #ROBOMERGE-OWNER: ryan.durand #ROBOMERGE-AUTHOR: ryan.durand #ROBOMERGE-SOURCE: CL 10869210 via CL 10869511 via CL 10869900 #ROBOMERGE-BOT: (v613-10869866) [CL 10870549 by ryan durand in Main branch]
70 lines
1.8 KiB
C++
70 lines
1.8 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreMinimal.h"
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#include "Serialization/JsonReader.h"
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#include "IStructDeserializerBackend.h"
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/**
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* Implements a reader for UStruct deserialization using Json.
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*
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* Note: The underlying Json de-serializer is currently hard-coded to use UCS2CHAR.
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* This is because the current JsonReader API does not allow writers to be substituted since it's
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* all based on templates. At some point we will refactor the low-level Json API to provide more
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* flexibility for serialization.
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*/
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class SERIALIZATION_API FJsonStructDeserializerBackend
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: public IStructDeserializerBackend
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{
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public:
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/**
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* Creates and initializes a new instance.
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*
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* @param Archive The archive to deserialize from.
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*/
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FJsonStructDeserializerBackend( FArchive& Archive )
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: JsonReader(TJsonReader<UCS2CHAR>::Create(&Archive))
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{ }
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public:
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// IStructDeserializerBackend interface
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virtual const FString& GetCurrentPropertyName() const override;
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virtual FString GetDebugString() const override;
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virtual const FString& GetLastErrorMessage() const override;
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virtual bool GetNextToken( EStructDeserializerBackendTokens& OutToken ) override;
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virtual bool ReadProperty( FProperty* Property, FProperty* Outer, void* Data, int32 ArrayIndex ) override;
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virtual void SkipArray() override;
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virtual void SkipStructure() override;
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protected:
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FString& GetLastIdentifier()
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{
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return LastIdentifier;
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}
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EJsonNotation GetLastNotation()
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{
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return LastNotation;
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}
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TSharedRef<TJsonReader<UCS2CHAR>>& GetReader()
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{
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return JsonReader;
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}
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private:
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/** Holds the name of the last read Json identifier. */
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FString LastIdentifier;
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/** Holds the last read Json notation. */
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EJsonNotation LastNotation;
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/** Holds the Json reader used for the actual reading of the archive. */
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TSharedRef<TJsonReader<UCS2CHAR>> JsonReader;
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};
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