Files
UnrealEngineUWP/Engine/Source/Runtime/WebBrowser/Private/WebJSStructSerializerBackend.h
Max Preussner ee737c35e8 Serialization: Treating dictionaries as structs (for symmetry with, and simplified de-serialization)
#CodeReview: keli.hlodversson, justin.sargent

[CL 2685160 by Max Preussner in Main branch]
2015-09-09 15:08:41 -04:00

100 lines
2.4 KiB
C++

// Copyright 1998-2015 Epic Games, Inc. All Rights Reserved.
#pragma once
#include "IStructSerializerBackend.h"
#include "Core.h"
#include "WebJSScripting.h"
#if WITH_CEF3
// forward declarations
class UProperty;
class UStruct;
#if PLATFORM_WINDOWS
#include "AllowWindowsPlatformTypes.h"
#endif
#pragma push_macro("OVERRIDE")
#undef OVERRIDE // cef headers provide their own OVERRIDE macro
#include "include/cef_values.h"
#pragma pop_macro("OVERRIDE")
#if PLATFORM_WINDOWS
#include "HideWindowsPlatformTypes.h"
#endif
/**
* Implements a writer for UStruct serialization using CefDictionary.
*/
class FWebJSStructSerializerBackend
: public IStructSerializerBackend
{
public:
/**
* Creates and initializes a new instance.
* */
FWebJSStructSerializerBackend(TSharedPtr<FWebJSScripting> InScripting)
: Scripting(InScripting), Stack(), Result()
{ }
CefRefPtr<CefDictionaryValue> GetResult()
{
return Result;
}
public:
// IStructSerializerBackend interface
virtual void BeginArray(const FStructSerializerState& State) override;
virtual void BeginStructure(const FStructSerializerState& State) override;
virtual void EndArray(const FStructSerializerState& State) override;
virtual void EndStructure(const FStructSerializerState& State) override;
virtual void WriteComment(const FString& Comment) override;
virtual void WriteProperty(const FStructSerializerState& State, int32 ArrayIndex = 0) override;
private:
struct StackItem
{
enum {STYPE_DICTIONARY, STYPE_LIST} Kind;
FString Name;
CefRefPtr<CefDictionaryValue> DictionaryValue;
CefRefPtr<CefListValue> ListValue;
StackItem(const FString& InName, CefRefPtr<CefDictionaryValue> InDictionary)
: Kind(STYPE_DICTIONARY)
, Name(InName)
, DictionaryValue(InDictionary)
, ListValue()
{}
StackItem(const FString& InName, CefRefPtr<CefListValue> InList)
: Kind(STYPE_LIST)
, Name(InName)
, DictionaryValue()
, ListValue(InList)
{}
};
TSharedPtr<FWebJSScripting> Scripting;
TArray<StackItem> Stack;
CefRefPtr<CefDictionaryValue> Result;
void AddNull(const FStructSerializerState& State);
void Add(const FStructSerializerState& State, bool Value);
void Add(const FStructSerializerState& State, int32 Value);
void Add(const FStructSerializerState& State, double Value);
void Add(const FStructSerializerState& State, FString Value);
void Add(const FStructSerializerState& State, UObject* Value);
};
#endif