C++ TSharedPtr::AsString方法代码示例

MatchmakerModels::Region PlayFab::MatchmakerModels::readRegionFromValue(const TSharedPtr<FJsonValue>& value)
{
    static TMap<FString, Region> _RegionMap;
    if (_RegionMap.Num() == 0)
    {
        // Auto-generate the map on the first use
        _RegionMap.Add(TEXT("USCentral"), RegionUSCentral);
        _RegionMap.Add(TEXT("USEast"), RegionUSEast);
        _RegionMap.Add(TEXT("EUWest"), RegionEUWest);
        _RegionMap.Add(TEXT("Singapore"), RegionSingapore);
        _RegionMap.Add(TEXT("Japan"), RegionJapan);
        _RegionMap.Add(TEXT("Brazil"), RegionBrazil);
        _RegionMap.Add(TEXT("Australia"), RegionAustralia);

    } 

	if(value.IsValid())
	{
	    auto output = _RegionMap.Find(value->AsString());
		if (output != nullptr)
			return *output;
	}


    return RegionUSCentral; // Basically critical fail
}

bool FDesktopPlatformBase::GetEngineIdentifierForProject(const FString& ProjectFileName, FString& OutIdentifier)
{
	OutIdentifier.Empty();

	// Load the project file
	TSharedPtr<FJsonObject> ProjectFile = LoadProjectFile(ProjectFileName);
	if(!ProjectFile.IsValid())
	{
		return false;
	}

	// Try to read the identifier from it
	TSharedPtr<FJsonValue> Value = ProjectFile->TryGetField(TEXT("EngineAssociation"));
	if(Value.IsValid() && Value->Type == EJson::String)
	{
		OutIdentifier = Value->AsString();
		if(OutIdentifier.Len() > 0)
		{
			// If it's a path, convert it into an engine identifier
			if(OutIdentifier.Contains(TEXT("/")) || OutIdentifier.Contains("\\"))
			{
				FString EngineRootDir = FPaths::ConvertRelativePathToFull(FPaths::GetPath(ProjectFileName), OutIdentifier);
				if(!GetEngineIdentifierFromRootDir(EngineRootDir, OutIdentifier))
				{
					return false;
				}
			}
			return true;
		}
	}

	// Otherwise scan up through the directory hierarchy to find an installation
	FString ParentDir = FPaths::GetPath(ProjectFileName);
	FPaths::NormalizeDirectoryName(ParentDir);

	// Keep going until we reach the root
	int32 SeparatorIdx;
	while(ParentDir.FindLastChar(TEXT('/'), SeparatorIdx))
	{
		ParentDir.RemoveAt(SeparatorIdx, ParentDir.Len() - SeparatorIdx);
		if(IsValidRootDirectory(ParentDir) && GetEngineIdentifierFromRootDir(ParentDir, OutIdentifier))
		{
			return true;
		}
	}

	// Otherwise check the engine version string for 4.0, in case this project existed before the engine association stuff went in
	FString EngineVersionString = ProjectFile->GetStringField(TEXT("EngineVersion"));
	if(EngineVersionString.Len() > 0)
	{
		FEngineVersion EngineVersion;
		if(FEngineVersion::Parse(EngineVersionString, EngineVersion) && EngineVersion.HasChangelist() && EngineVersion.ToString(EVersionComponent::Minor) == TEXT("4.0"))
		{
			OutIdentifier = TEXT("4.0");
			return true;
		}
	}

	return false;
}

void UVaRestJsonObject::SetArrayField(const FString& FieldName, const TArray<UVaRestJsonValue*>& InArray)
{
	if (!JsonObj.IsValid())
	{
		return;
	}

	TArray< TSharedPtr<FJsonValue> > ValArray;

	// Process input array and COPY original values
	for (auto InVal : InArray)
	{
		TSharedPtr<FJsonValue> JsonVal = InVal->GetRootValue();

		switch (InVal->GetType())
		{
		case EVaJson::None:
			break;

		case EVaJson::Null:
			ValArray.Add(MakeShareable(new FJsonValueNull()));
			break;

		case EVaJson::String:
			ValArray.Add(MakeShareable(new FJsonValueString(JsonVal->AsString())));
			break;

		case EVaJson::Number:
			ValArray.Add(MakeShareable(new FJsonValueNumber(JsonVal->AsNumber())));
			break;

		case EVaJson::Boolean:
			ValArray.Add(MakeShareable(new FJsonValueBoolean(JsonVal->AsBool())));
			break;

		case EVaJson::Array:
			ValArray.Add(MakeShareable(new FJsonValueArray(JsonVal->AsArray())));
			break;

		case EVaJson::Object:
			ValArray.Add(MakeShareable(new FJsonValueObject(JsonVal->AsObject())));
			break;

		default:
			break;
		}
	}

	JsonObj->SetArrayField(FieldName, ValArray);
}

void CopyJsonValueToWriter( JsonWriter &Json, const FString& ValueName, const TSharedPtr<FJsonValue>& JsonValue )
{
	if ( JsonValue->Type == EJson::String )
	{
		Json->WriteValue( ValueName, JsonValue->AsString() );
	}
	else if ( JsonValue->Type == EJson::Array )
	{
		if (ValueName.IsEmpty())
		{
			Json->WriteArrayStart();
		}
		else
		{
			Json->WriteArrayStart(ValueName);
		}
		
		const TArray<TSharedPtr<FJsonValue>>& Array = JsonValue->AsArray();
		for ( const auto& ArrayValue : Array )
		{
			CopyJsonValueToWriter(Json, FString(), ArrayValue);
		}

		Json->WriteArrayEnd();
	}
	else if ( JsonValue->Type == EJson::Object )
	{
		if (ValueName.IsEmpty())
		{
			Json->WriteObjectStart();
		}
		else
		{
			Json->WriteObjectStart(ValueName);
		}

		const TSharedPtr<FJsonObject>& Object = JsonValue->AsObject();
		for ( const auto& ObjectProperty : Object->Values)
		{
			CopyJsonValueToWriter(Json, ObjectProperty.Key, ObjectProperty.Value );
		}

		Json->WriteObjectEnd();
	}
	else
	{
		
		UE_LOG(LogChunkManifestGenerator, Warning, TEXT("Unrecognized json value type %d in object %s"), *UEnum::GetValueAsString(TEXT("Json.EJson"), JsonValue->Type), *ValueName)
	}
}

// @TODO LSwift: Perhaps replace FromBlob and ToBlob usage with hexadecimal notation instead
bool FBuildPatchAppManifest::DeserializeFromJSON( const FString& JSONInput )
{
	bool bSuccess = true;
	TSharedPtr<FJsonObject> JSONManifestObject;
	TSharedRef<TJsonReader<TCHAR>> Reader = TJsonReaderFactory<TCHAR>::Create(JSONInput);

	// Clear current data
	DestroyData();

	// Attempt to deserialize JSON
	if (!FJsonSerializer::Deserialize(Reader, JSONManifestObject) || !JSONManifestObject.IsValid())
	{
		return false;
	}

	// Store a list of all data GUID for later use
	TSet<FGuid> AllDataGuids;

	// Get the values map
	TMap<FString, TSharedPtr<FJsonValue>>& JsonValueMap = JSONManifestObject->Values;

	// Manifest version did not always exist
	int32 ManifestFileVersionInt = 0;
	TSharedPtr<FJsonValue> JsonManifestFileVersion = JsonValueMap.FindRef(TEXT("ManifestFileVersion"));
	if (JsonManifestFileVersion.IsValid() && FromStringBlob(JsonManifestFileVersion->AsString(), ManifestFileVersionInt))
	{
		Data->ManifestFileVersion = static_cast<EBuildPatchAppManifestVersion::Type>(ManifestFileVersionInt);
	}
	else
	{
		// Then we presume version just before we started outputting the version
		Data->ManifestFileVersion = static_cast<EBuildPatchAppManifestVersion::Type>(EBuildPatchAppManifestVersion::StartStoringVersion - 1);
	}

	// Get the app and version strings
	TSharedPtr< FJsonValue > JsonAppID = JsonValueMap.FindRef( TEXT("AppID") );
	TSharedPtr< FJsonValue > JsonAppNameString = JsonValueMap.FindRef( TEXT("AppNameString") );
	TSharedPtr< FJsonValue > JsonBuildVersionString = JsonValueMap.FindRef( TEXT("BuildVersionString") );
	TSharedPtr< FJsonValue > JsonLaunchExe = JsonValueMap.FindRef( TEXT("LaunchExeString") );
	TSharedPtr< FJsonValue > JsonLaunchCommand = JsonValueMap.FindRef( TEXT("LaunchCommand") );
	TSharedPtr< FJsonValue > JsonPrereqName = JsonValueMap.FindRef( TEXT("PrereqName") );
	TSharedPtr< FJsonValue > JsonPrereqPath = JsonValueMap.FindRef( TEXT("PrereqPath") );
	TSharedPtr< FJsonValue > JsonPrereqArgs = JsonValueMap.FindRef( TEXT("PrereqArgs") );
	bSuccess = bSuccess && JsonAppID.IsValid();
	if( bSuccess )
	{
		bSuccess = bSuccess && FromStringBlob( JsonAppID->AsString(), Data->AppID );
	}
	bSuccess = bSuccess && JsonAppNameString.IsValid();
	if( bSuccess )
	{
		Data->AppName = JsonAppNameString->AsString();
	}
	bSuccess = bSuccess && JsonBuildVersionString.IsValid();
	if( bSuccess )
	{
		Data->BuildVersion = JsonBuildVersionString->AsString();
	}
	bSuccess = bSuccess && JsonLaunchExe.IsValid();
	if( bSuccess )
	{
		Data->LaunchExe = JsonLaunchExe->AsString();
	}
	bSuccess = bSuccess && JsonLaunchCommand.IsValid();
	if( bSuccess )
	{
		Data->LaunchCommand = JsonLaunchCommand->AsString();
	}

	// Get the prerequisites installer info.  These are optional entries.
	Data->PrereqName = JsonPrereqName.IsValid() ? JsonPrereqName->AsString() : FString();
	Data->PrereqPath = JsonPrereqPath.IsValid() ? JsonPrereqPath->AsString() : FString();
	Data->PrereqArgs = JsonPrereqArgs.IsValid() ? JsonPrereqArgs->AsString() : FString();

	// Get the FileManifestList
	TSharedPtr<FJsonValue> JsonFileManifestList = JsonValueMap.FindRef(TEXT("FileManifestList"));
	bSuccess = bSuccess && JsonFileManifestList.IsValid();
	if( bSuccess )
	{
		TArray<TSharedPtr<FJsonValue>> JsonFileManifestArray = JsonFileManifestList->AsArray();
		for (auto JsonFileManifestIt = JsonFileManifestArray.CreateConstIterator(); JsonFileManifestIt && bSuccess; ++JsonFileManifestIt)
		{
			TSharedPtr<FJsonObject> JsonFileManifest = (*JsonFileManifestIt)->AsObject();

			const int32 FileIndex = Data->FileManifestList.Add(FFileManifestData());
			FFileManifestData& FileManifest = Data->FileManifestList[FileIndex];
			FileManifest.Filename = JsonFileManifest->GetStringField(TEXT("Filename"));
			bSuccess = bSuccess && FString::ToBlob(JsonFileManifest->GetStringField(TEXT("FileHash")), FileManifest.FileHash.Hash, FSHA1::DigestSize);
			TArray<TSharedPtr<FJsonValue>> JsonChunkPartArray = JsonFileManifest->GetArrayField(TEXT("FileChunkParts"));
			for (auto JsonChunkPartIt = JsonChunkPartArray.CreateConstIterator(); JsonChunkPartIt && bSuccess; ++JsonChunkPartIt)
			{
				const int32 ChunkIndex = FileManifest.FileChunkParts.Add(FChunkPartData());
				FChunkPartData& FileChunkPart = FileManifest.FileChunkParts[ChunkIndex];
				TSharedPtr<FJsonObject> JsonChunkPart = (*JsonChunkPartIt)->AsObject();
				bSuccess = bSuccess && FGuid::Parse(JsonChunkPart->GetStringField(TEXT("Guid")), FileChunkPart.Guid);
				bSuccess = bSuccess && FromStringBlob(JsonChunkPart->GetStringField(TEXT("Offset")), FileChunkPart.Offset);
				bSuccess = bSuccess && FromStringBlob(JsonChunkPart->GetStringField(TEXT("Size")), FileChunkPart.Size);
				AllDataGuids.Add(FileChunkPart.Guid);
			}
//.........这里部分代码省略.........

bool FModuleDescriptor::Read(const FJsonObject& Object, FText& OutFailReason)
{
	// Read the module name
	TSharedPtr<FJsonValue> NameValue = Object.TryGetField(TEXT("Name"));
	if(!NameValue.IsValid() || NameValue->Type != EJson::String)
	{
		OutFailReason = LOCTEXT("ModuleWithoutAName", "Found a 'Module' entry with a missing 'Name' field");
		return false;
	}
	Name = FName(*NameValue->AsString());

	// Read the module type
	TSharedPtr<FJsonValue> TypeValue = Object.TryGetField(TEXT("Type"));
	if(!TypeValue.IsValid() || TypeValue->Type != EJson::String)
	{
		OutFailReason = FText::Format( LOCTEXT( "ModuleWithoutAType", "Found Module entry '{0}' with a missing 'Type' field" ), FText::FromName(Name) );
		return false;
	}
	Type = EHostType::FromString(*TypeValue->AsString());
	if(Type == EHostType::Max)
	{
		OutFailReason = FText::Format( LOCTEXT( "ModuleWithInvalidType", "Module entry '{0}' specified an unrecognized module Type '{1}'" ), FText::FromName(Name), FText::FromString(TypeValue->AsString()) );
		return false;
	}

	// Read the loading phase
	TSharedPtr<FJsonValue> LoadingPhaseValue = Object.TryGetField(TEXT("LoadingPhase"));
	if(LoadingPhaseValue.IsValid() && LoadingPhaseValue->Type == EJson::String)
	{
		LoadingPhase = ELoadingPhase::FromString(*LoadingPhaseValue->AsString());
		if(LoadingPhase == ELoadingPhase::Max)
		{
			OutFailReason = FText::Format( LOCTEXT( "ModuleWithInvalidLoadingPhase", "Module entry '{0}' specified an unrecognized module LoadingPhase '{1}'" ), FText::FromName(Name), FText::FromString(LoadingPhaseValue->AsString()) );
			return false;
		}
	}

	// Read the whitelisted platforms
	TSharedPtr<FJsonValue> WhitelistPlatformsValue = Object.TryGetField(TEXT("WhitelistPlatforms"));
	if(WhitelistPlatformsValue.IsValid() && WhitelistPlatformsValue->Type == EJson::Array)
	{
		const TArray< TSharedPtr< FJsonValue > >& PlatformsArray = WhitelistPlatformsValue->AsArray();
		for(int Idx = 0; Idx < PlatformsArray.Num(); Idx++)
		{
			WhitelistPlatforms.Add(PlatformsArray[Idx]->AsString());
		}
	}

	// Read the blacklisted platforms
	TSharedPtr<FJsonValue> BlacklistPlatformsValue = Object.TryGetField(TEXT("BlacklistPlatforms"));
	if(BlacklistPlatformsValue.IsValid() && BlacklistPlatformsValue->Type == EJson::Array)
	{
		const TArray< TSharedPtr< FJsonValue > >& PlatformsArray = BlacklistPlatformsValue->AsArray();
		for(int Idx = 0; Idx < PlatformsArray.Num(); Idx++)
		{
			BlacklistPlatforms.Add(PlatformsArray[Idx]->AsString());
		}
	}

	// Read the additional dependencies
	TSharedPtr<FJsonValue> AdditionalDependenciesValue = Object.TryGetField(TEXT("AdditionalDependencies"));
	if (AdditionalDependenciesValue.IsValid() && AdditionalDependenciesValue->Type == EJson::Array)
	{
		const TArray< TSharedPtr< FJsonValue > >& DepArray = AdditionalDependenciesValue->AsArray();
		for (int Idx = 0; Idx < DepArray.Num(); Idx++)
		{
			AdditionalDependencies.Add(DepArray[Idx]->AsString());
		}
	}

	return true;
}

//.........这里部分代码省略.........
							const FContext& Context = *ContextIter;

							// Create the typical PO entry from the archive entry which matches the exact same namespace, source, and key metadata, if it exists.
							{
								const TSharedPtr<FArchiveEntry> ArchiveEntry = InternationalizationArchive->FindEntryBySource( Namespace, Source, Context.KeyMetadataObj );
								if( ArchiveEntry.IsValid() )
								{
									const FString ConditionedArchiveSource = ConditionArchiveStrForPo(ArchiveEntry->Source.Text);
									const FString ConditionedArchiveTranslation = ConditionArchiveStrForPo(ArchiveEntry->Translation.Text);

									TSharedRef<FPortableObjectEntry> PoEntry = MakeShareable( new FPortableObjectEntry );
									//@TODO: We support additional metadata entries that can be translated.  How do those fit in the PO file format?  Ex: isMature
									PoEntry->MsgId = ConditionedArchiveSource;
									PoEntry->MsgCtxt = ConditionIdentityForPOMsgCtxt(Namespace, Context.Key, Context.KeyMetadataObj);
									PoEntry->MsgStr.Add( ConditionedArchiveTranslation );

									const FString PORefString = ConvertSrcLocationToPORef( Context.SourceLocation );
									PoEntry->AddReference(PORefString); // Source location.

									PoEntry->AddExtractedComment( GetConditionedKeyForExtractedComment(Context.Key) ); // "Notes from Programmer" in the form of the Key.

									if (ShouldAddSourceLocationsAsComments)
									{
										PoEntry->AddExtractedComment(GetConditionedReferenceForExtractedComment(PORefString)); // "Notes from Programmer" in the form of the Source Location, since this comes in handy too and OneSky doesn't properly show references, only comments.
									}

									TArray<FString> InfoMetaDataStrings;
									if (Context.InfoMetadataObj.IsValid())
									{
										for (auto InfoMetaDataPair : Context.InfoMetadataObj->Values)
										{
											const FString KeyName = InfoMetaDataPair.Key;
											const TSharedPtr<FLocMetadataValue> Value = InfoMetaDataPair.Value;
											InfoMetaDataStrings.Add(GetConditionedInfoMetaDataForExtractedComment(KeyName, Value->AsString()));
										}
									}
									if (InfoMetaDataStrings.Num())
									{
										PoEntry->AddExtractedComments(InfoMetaDataStrings);
									}

									NewPortableObject.AddEntry( PoEntry );
								}
							}

							// If we're exporting for something other than the native culture, we'll need to create PO entries for archive entries based on the native archive's translation.
							if (CultureName != NativeCultureName)
							{
								TSharedPtr<FArchiveEntry> NativeArchiveEntry;
								// Find the native archive entry which matches the exact same namespace, source, and key metadata, if it exists.
								for (const auto& NativeArchive : NativeArchives)
								{
									const TSharedPtr<FArchiveEntry> PotentialNativeArchiveEntry = NativeArchive->FindEntryBySource( Namespace, Source, Context.KeyMetadataObj );
									if (PotentialNativeArchiveEntry.IsValid())
									{
										NativeArchiveEntry = PotentialNativeArchiveEntry;
										break;
									}
								}

								if (NativeArchiveEntry.IsValid())
								{
									// Only need to create this PO entry if the native archive entry's translation differs from its source, in which case we need to find the our translation of the native translation.
									if (!NativeArchiveEntry->Source.IsExactMatch(NativeArchiveEntry->Translation))
									{
										const TSharedPtr<FArchiveEntry> ArchiveEntry = InternationalizationArchive->FindEntryBySource( Namespace, NativeArchiveEntry->Translation, NativeArchiveEntry->KeyMetadataObj );