Files
UnrealEngineUWP/Engine/Source/Runtime/WebBrowser/Private/MobileJS/MobileJSStructSerializerBackend.cpp
Francis Hurteau 57c677da93 Copying //UE4/Dev-Enterprise@4705006 to Dev-Main (//UE4/Dev-Main)
#rb none
#lockdown Nick.Penwarden

[CL 4705151 by Francis Hurteau in Main branch]
2019-01-10 17:26:53 -05:00

62 lines
2.0 KiB
C++

// Copyright 1998-2019 Epic Games, Inc. All Rights Reserved.
#include "MobileJSStructSerializerBackend.h"
#if PLATFORM_ANDROID || PLATFORM_IOS
#include "MobileJSScripting.h"
#include "UObject/UnrealType.h"
#include "UObject/PropertyPortFlags.h"
#include "Templates/Casts.h"
void FMobileJSStructSerializerBackend::WriteProperty(const FStructSerializerState& State, int32 ArrayIndex)
{
// The parent class serialzes UObjects as NULLs
if (State.ValueType == UObjectProperty::StaticClass())
{
WriteUObject(State, CastChecked<UObjectProperty>(State.ValueProperty)->GetPropertyValue_InContainer(State.ValueData, ArrayIndex));
}
// basic property type (json serializable)
else
{
FJsonStructSerializerBackend::WriteProperty(State, ArrayIndex);
}
}
void FMobileJSStructSerializerBackend::WriteUObject(const FStructSerializerState& State, UObject* Value)
{
// Note this function uses WriteRawJSONValue to append non-json data to the output stream.
FString RawValue = Scripting->ConvertObject(Value);
if ((State.ValueProperty == nullptr) || (State.ValueProperty->ArrayDim > 1) || (State.ValueProperty->GetOuter()->GetClass() == UArrayProperty::StaticClass()))
{
GetWriter()->WriteRawJSONValue(RawValue);
}
else if (State.KeyProperty != nullptr)
{
FString KeyString;
State.KeyProperty->ExportTextItem(KeyString, State.KeyData, nullptr, nullptr, PPF_None);
GetWriter()->WriteRawJSONValue(KeyString, RawValue);
}
else
{
GetWriter()->WriteRawJSONValue(Scripting->GetBindingName(State.ValueProperty), RawValue);
}
}
FString FMobileJSStructSerializerBackend::ToString()
{
ReturnBuffer.Add(0);
ReturnBuffer.Add(0);
auto CastObject = StringCast<TCHAR>((UCS2CHAR*)ReturnBuffer.GetData());
return FString(CastObject.Get(), CastObject.Length());
}
FMobileJSStructSerializerBackend::FMobileJSStructSerializerBackend(TSharedRef<class FMobileJSScripting> InScripting)
: FJsonStructSerializerBackend(Writer, EStructSerializerBackendFlags::Legacy)
, Scripting(InScripting)
, ReturnBuffer()
, Writer(ReturnBuffer)
{
}
#endif // PLATFORM_ANDROID || PLATFORM_IOS