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02c0f425e8
This represents UE4/Main @ 16738161 and Dev-PerfTest @ 16737719 [CL 16738582 by aurel cordonnier in ue5-release-engine-test branch]
85 lines
3.1 KiB
C++
85 lines
3.1 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#include "VersionChecker/DisplayClusterConfigurationVersionChecker.h"
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#include "VersionChecker/DisplayClusterConfigurationVersionCheckerTypes.h"
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#include "DisplayClusterConfigurationLog.h"
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#include "DisplayClusterConfigurationStrings.h"
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#include "JsonObjectConverter.h"
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#include "Misc/FileHelper.h"
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#include "Misc/Paths.h"
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EDisplayClusterConfigurationVersion FDisplayClusterConfigurationVersionChecker::GetConfigVersion(const FString& FilePath) const
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{
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// First, detect either it's an old text based file or a newer JSON
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EConfigFileType FileType = GetConfigFileType(FilePath);
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switch (FileType)
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{
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case EConfigFileType::Text:
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return EDisplayClusterConfigurationVersion::Version_CFG;
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case EConfigFileType::Json:
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return GetConfigVersionJson(FilePath);
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}
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return EDisplayClusterConfigurationVersion::Unknown;
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}
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EDisplayClusterConfigurationVersion FDisplayClusterConfigurationVersionChecker::GetConfigVersionJson(const FString& FilePath) const
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{
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FString JsonText;
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// Load json text to the string object
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if (!FFileHelper::LoadFileToString(JsonText, *FilePath))
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{
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UE_LOG(LogDisplayClusterConfiguration, Error, TEXT("Couldn't read file: %s"), *FilePath);
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return EDisplayClusterConfigurationVersion::Unknown;
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}
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// Parse the string object
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FDisplayClusterConfigurationVersionContainer JsonData;
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if (!FJsonObjectConverter::JsonObjectStringToUStruct<FDisplayClusterConfigurationVersionContainer>(JsonText, &JsonData, 0, 0))
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{
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UE_LOG(LogDisplayClusterConfiguration, Error, TEXT("Couldn't deserialize json file: %s"), *FilePath);
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return EDisplayClusterConfigurationVersion::Unknown;
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}
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// Now detect the JSON config version
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if (JsonData.nDisplay.Version.Equals(TEXT("23")) || // 426 was exporting .ndisplay configs with version "23"
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JsonData.nDisplay.Version.Equals(TEXT("4.23")) || // This and the following are just in case somebody manually has changed the version field
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JsonData.nDisplay.Version.Equals(TEXT("26")) ||
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JsonData.nDisplay.Version.Equals(TEXT("4.26")))
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{
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return EDisplayClusterConfigurationVersion::Version_426;
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}
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else if (JsonData.nDisplay.Version.Equals(TEXT("4.27")))
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{
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return EDisplayClusterConfigurationVersion::Version_427;
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}
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// Otherwise it's something unknown
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return EDisplayClusterConfigurationVersion::Unknown;
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}
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FDisplayClusterConfigurationVersionChecker::EConfigFileType FDisplayClusterConfigurationVersionChecker::GetConfigFileType(const FString& InConfigPath) const
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{
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const FString Extension = FPaths::GetExtension(InConfigPath).ToLower();
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if (Extension.Equals(FString(DisplayClusterConfigurationStrings::file::FileExtJson), ESearchCase::IgnoreCase))
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{
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UE_LOG(LogDisplayClusterConfiguration, Log, TEXT("JSON config: %s"), *InConfigPath);
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return EConfigFileType::Json;
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}
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else if (Extension.Equals(FString(DisplayClusterConfigurationStrings::file::FileExtCfg), ESearchCase::IgnoreCase))
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{
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UE_LOG(LogDisplayClusterConfiguration, Log, TEXT("TXT config: %s"), *InConfigPath);
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return EConfigFileType::Text;
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}
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UE_LOG(LogDisplayClusterConfiguration, Warning, TEXT("Unknown file extension: %s"), *Extension);
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return EConfigFileType::Unknown;
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}
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