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#include "ZipUtilityPrivatePCH.h"
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#include "ZipFileFunctionLibrary.h"
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#include "ZipFileFunctionInternalCallback.h"
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#include "ListCallback.h"
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#include "ProgressCallback.h"
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#include "IPluginManager.h"
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#include "WFULambdaRunnable.h"
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#include "ZULambdaDelegate.h"
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#include "SevenZipCallbackHandler.h"
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#include "WindowsFileUtilityFunctionLibrary.h"
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#include "7zpp.h"
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using namespace SevenZip;
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//Private Namespace
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namespace{
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//Threaded Lambda convenience wrappers - Task graph is only suitable for short duration lambdas, but doesn't incur thread overhead
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FGraphEventRef RunLambdaOnAnyThread(TFunction< void()> InFunction)
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{
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return FFunctionGraphTask::CreateAndDispatchWhenReady(InFunction, TStatId(), nullptr, ENamedThreads::AnyThread);
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}
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//Uses proper threading, for any task that may run longer than about 2 seconds.
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void RunLongLambdaOnAnyThread(TFunction< void()> InFunction)
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{
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WFULambdaRunnable::RunLambdaOnBackGroundThread(InFunction);
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}
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// Run the lambda on the queued threadpool
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IQueuedWork* RunLambdaOnThreadPool(TFunction< void()> InFunction)
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{
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return WFULambdaRunnable::AddLambdaToQueue(InFunction);
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}
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//Private static vars
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SevenZipLibrary SZLib;
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//Utility functions
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FString PluginRootFolder()
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{
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return IPluginManager::Get().FindPlugin("ZipUtility")->GetBaseDir();
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//return FPaths::ConvertRelativePathToFull(FPaths::GameDir());
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}
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FString DLLPath()
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{
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#if _WIN64
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FString PlatformString = FString(TEXT("Win64"));
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#else
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FString PlatformString = FString(TEXT("Win32"));
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#endif
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//Swap these to change which license you wish to fall under for zip-utility
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FString DLLString = FString("7z.dll"); //Using 7z.dll: GNU LGPL + unRAR restriction
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//FString dllString = FString("7za.dll"); //Using 7za.dll: GNU LGPL license, crucially doesn't support .zip out of the box
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return FPaths::ConvertRelativePathToFull(FPaths::Combine(*PluginRootFolder(), TEXT("ThirdParty/7zpp/dll"), *PlatformString, *DLLString));
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}
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FString ReversePathSlashes(FString forwardPath)
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{
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return forwardPath.Replace(TEXT("/"), TEXT("\\"));
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}
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bool IsValidDirectory(FString& Directory, FString& FileName, const FString& Path)
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{
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bool Found = Path.Split(TEXT("/"), &Directory, &FileName, ESearchCase::IgnoreCase, ESearchDir::FromEnd);
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//try a back split
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if (!Found)
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{
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Found = Path.Split(TEXT("\\"), &Directory, &FileName, ESearchCase::IgnoreCase, ESearchDir::FromEnd);
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}
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//No valid Directory found
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if (!Found)
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return false;
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else
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return true;
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}
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SevenZip::CompressionLevelEnum libZipLevelFromUELevel(ZipUtilityCompressionLevel ueLevel) {
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switch (ueLevel)
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{
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case COMPRESSION_LEVEL_NONE:
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return SevenZip::CompressionLevel::None;
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case COMPRESSION_LEVEL_FAST:
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return SevenZip::CompressionLevel::Fast;
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case COMPRESSION_LEVEL_NORMAL:
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return SevenZip::CompressionLevel::Normal;
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default:
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return SevenZip::CompressionLevel::None;
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}
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}
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SevenZip::CompressionFormatEnum libZipFormatFromUEFormat(ZipUtilityCompressionFormat UeFormat) {
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switch (UeFormat)
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{
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case COMPRESSION_FORMAT_UNKNOWN:
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return CompressionFormat::Unknown;
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case COMPRESSION_FORMAT_SEVEN_ZIP:
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return CompressionFormat::SevenZip;
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case COMPRESSION_FORMAT_ZIP:
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return CompressionFormat::Zip;
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case COMPRESSION_FORMAT_GZIP:
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return CompressionFormat::GZip;
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case COMPRESSION_FORMAT_BZIP2:
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return CompressionFormat::BZip2;
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case COMPRESSION_FORMAT_RAR:
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return CompressionFormat::Rar;
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case COMPRESSION_FORMAT_TAR:
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return CompressionFormat::Tar;
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case COMPRESSION_FORMAT_ISO:
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return CompressionFormat::Iso;
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case COMPRESSION_FORMAT_CAB:
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return CompressionFormat::Cab;
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case COMPRESSION_FORMAT_LZMA:
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return CompressionFormat::Lzma;
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case COMPRESSION_FORMAT_LZMA86:
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return CompressionFormat::Lzma86;
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default:
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return CompressionFormat::Unknown;
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}
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}
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FString defaultExtensionFromUEFormat(ZipUtilityCompressionFormat ueFormat)
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{
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switch (ueFormat)
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{
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case COMPRESSION_FORMAT_UNKNOWN:
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return FString(TEXT(".dat"));
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case COMPRESSION_FORMAT_SEVEN_ZIP:
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return FString(TEXT(".7z"));
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case COMPRESSION_FORMAT_ZIP:
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return FString(TEXT(".zip"));
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case COMPRESSION_FORMAT_GZIP:
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return FString(TEXT(".gz"));
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case COMPRESSION_FORMAT_BZIP2:
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return FString(TEXT(".bz2"));
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case COMPRESSION_FORMAT_RAR:
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return FString(TEXT(".rar"));
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case COMPRESSION_FORMAT_TAR:
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return FString(TEXT(".tar"));
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case COMPRESSION_FORMAT_ISO:
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return FString(TEXT(".iso"));
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case COMPRESSION_FORMAT_CAB:
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return FString(TEXT(".cab"));
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case COMPRESSION_FORMAT_LZMA:
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return FString(TEXT(".lzma"));
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case COMPRESSION_FORMAT_LZMA86:
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return FString(TEXT(".lzma86"));
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default:
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return FString(TEXT(".dat"));
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}
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}
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using namespace std;
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//Background Thread convenience functions
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UZipOperation* UnzipFilesOnBGThreadWithFormat(const TArray<int32> FileIndices, const FString& ArchivePath, const FString& DestinationDirectory, const UObject* ProgressDelegate, ZipUtilityCompressionFormat Format)
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{
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UZipOperation* ZipOperation = NewObject<UZipOperation>();
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IQueuedWork* Work = RunLambdaOnThreadPool([ProgressDelegate, FileIndices, ArchivePath, DestinationDirectory, Format, ZipOperation]
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{
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SevenZipCallbackHandler PrivateCallback;
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PrivateCallback.ProgressDelegate = (UObject*)ProgressDelegate;
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ZipOperation->SetCallbackHandler(&PrivateCallback);
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//UE_LOG(LogClass, Log, TEXT("path is: %s"), *path);
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SevenZipExtractor Extractor(SZLib, *ArchivePath);
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if (Format == COMPRESSION_FORMAT_UNKNOWN)
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{
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if (!Extractor.DetectCompressionFormat())
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{
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UE_LOG(LogTemp, Log, TEXT("auto-compression detection did not succeed, passing in unknown format to 7zip library."));
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}
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}
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else
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{
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Extractor.SetCompressionFormat(libZipFormatFromUEFormat(Format));
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}
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// Extract indices
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const int32 NumberFiles = FileIndices.Num();
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unsigned int* Indices = new unsigned int[NumberFiles];
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for (int32 idx = 0; idx < NumberFiles; idx++)
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{
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Indices[idx] = FileIndices[idx];
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}
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// Perform the extraction
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Extractor.ExtractFilesFromArchive(Indices, NumberFiles, *DestinationDirectory, &PrivateCallback);
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// Clean up the indices
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delete Indices;
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// Null out the callback handler now that we're exiting
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ZipOperation->SetCallbackHandler(nullptr);
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});
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ZipOperation->SetThreadPoolWorker(Work);
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return ZipOperation;
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}
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//Background Thread convenience functions
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UZipOperation* UnzipOnBGThreadWithFormat(const FString& ArchivePath, const FString& DestinationDirectory, const UObject* ProgressDelegate, ZipUtilityCompressionFormat Format)
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{
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UZipOperation* ZipOperation = NewObject<UZipOperation>();
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IQueuedWork* Work = RunLambdaOnThreadPool([ProgressDelegate, ArchivePath, DestinationDirectory, Format, ZipOperation]
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{
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SevenZipCallbackHandler PrivateCallback;
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PrivateCallback.ProgressDelegate = (UObject*)ProgressDelegate;
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ZipOperation->SetCallbackHandler(&PrivateCallback);
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//UE_LOG(LogClass, Log, TEXT("path is: %s"), *path);
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SevenZipExtractor Extractor(SZLib, *ArchivePath);
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if (Format == COMPRESSION_FORMAT_UNKNOWN)
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{
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if (!Extractor.DetectCompressionFormat())
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{
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UE_LOG(LogTemp, Log, TEXT("auto-compression detection did not succeed, passing in unknown format to 7zip library."));
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}
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}
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else
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{
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Extractor.SetCompressionFormat(libZipFormatFromUEFormat(Format));
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}
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Extractor.ExtractArchive(*DestinationDirectory, &PrivateCallback);
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// Null out the callback handler now that we're exiting
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ZipOperation->SetCallbackHandler(nullptr);
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});
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ZipOperation->SetThreadPoolWorker(Work);
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return ZipOperation;
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}
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void ListOnBGThread(const FString& Path, const FString& Directory, const UObject* ListDelegate, ZipUtilityCompressionFormat Format)
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{
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//RunLongLambdaOnAnyThread - this shouldn't take long, but if it lags, swap the lambda methods
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RunLambdaOnAnyThread([ListDelegate, Path, Format, Directory] {
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SevenZipCallbackHandler PrivateCallback;
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PrivateCallback.ProgressDelegate = (UObject*)ListDelegate;
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SevenZipLister Lister(SZLib, *Path);
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if (Format == COMPRESSION_FORMAT_UNKNOWN)
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{
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if (!Lister.DetectCompressionFormat())
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{
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UE_LOG(LogTemp, Log, TEXT("auto-compression detection did not succeed, passing in unknown format to 7zip library."));
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}
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}
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else
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{
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Lister.SetCompressionFormat(libZipFormatFromUEFormat(Format));
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}
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if (!Lister.ListArchive(&PrivateCallback))
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{
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// If ListArchive returned false, it was most likely because the compression format was unsupported
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// Call OnDone with a failure message, make sure to call this on the game thread.
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if (IZipUtilityInterface* ZipInterface = Cast<IZipUtilityInterface>((UObject*)ListDelegate))
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{
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UE_LOG(LogClass, Warning, TEXT("ZipUtility: Unknown failure for list operation on %s"), *Path);
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UZipFileFunctionLibrary::RunLambdaOnGameThread([ZipInterface, ListDelegate, Path]
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{
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ZipInterface->Execute_OnDone((UObject*)ListDelegate, *Path, EZipUtilityCompletionState::FAILURE_UNKNOWN);
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});
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}
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}
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});
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}
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UZipOperation* ZipOnBGThread(const FString& Path, const FString& FileName, const FString& Directory, const UObject* ProgressDelegate, ZipUtilityCompressionFormat UeCompressionformat, ZipUtilityCompressionLevel UeCompressionlevel)
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{
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UZipOperation* ZipOperation = NewObject<UZipOperation>();
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IQueuedWork* Work = RunLambdaOnThreadPool([ProgressDelegate, FileName, Path, UeCompressionformat, UeCompressionlevel, Directory, ZipOperation]
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{
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SevenZipCallbackHandler PrivateCallback;
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PrivateCallback.ProgressDelegate = (UObject*)ProgressDelegate;
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ZipOperation->SetCallbackHandler(&PrivateCallback);
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//Set the zip format
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ZipUtilityCompressionFormat UeFormat = UeCompressionformat;
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if (UeFormat == COMPRESSION_FORMAT_UNKNOWN)
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{
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UeFormat = COMPRESSION_FORMAT_ZIP;
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}
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//Disallow creating .rar archives as per unrar restriction, this won't work anyway so redirect to 7z
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else if (UeFormat == COMPRESSION_FORMAT_RAR)
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{
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UE_LOG(LogClass, Warning, TEXT("ZipUtility: Rar compression not supported for creating archives, re-targeting as 7z."));
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UeFormat = COMPRESSION_FORMAT_SEVEN_ZIP;
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}
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//concatenate the output filename
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FString OutputFileName = FString::Printf(TEXT("%s/%s%s"), *Directory, *FileName, *defaultExtensionFromUEFormat(UeFormat));
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//UE_LOG(LogClass, Log, TEXT("\noutputfile is: <%s>\n path is: <%s>"), *outputFileName, *path);
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SevenZipCompressor compressor(SZLib, *ReversePathSlashes(OutputFileName));
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compressor.SetCompressionFormat(libZipFormatFromUEFormat(UeFormat));
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compressor.SetCompressionLevel(libZipLevelFromUELevel(UeCompressionlevel));
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if (PathIsDirectory(*Path))
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{
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//UE_LOG(LogClass, Log, TEXT("Compressing Folder"));
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compressor.CompressDirectory(*ReversePathSlashes(Path), &PrivateCallback);
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}
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else
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{
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//UE_LOG(LogClass, Log, TEXT("Compressing File"));
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compressor.CompressFile(*ReversePathSlashes(Path), &PrivateCallback);
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}
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// Null out the callback handler
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ZipOperation->SetCallbackHandler(nullptr);
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//Todo: expand to support zipping up contents of current folder
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//compressor.CompressFiles(*ReversePathSlashes(path), TEXT("*"), &PrivateCallback);
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});
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ZipOperation->SetThreadPoolWorker(Work);
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return ZipOperation;
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}
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}//End private namespace
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UZipFileFunctionLibrary::UZipFileFunctionLibrary(const class FObjectInitializer& PCIP)
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: Super(PCIP)
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{
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UE_LOG(LogTemp, Log, TEXT("DLLPath is: %s"), *DLLPath());
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SZLib.Load(*DLLPath());
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}
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UZipFileFunctionLibrary::~UZipFileFunctionLibrary()
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{
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SZLib.Free();
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}
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bool UZipFileFunctionLibrary::UnzipFileNamed(const FString& archivePath, const FString& Name, UObject* ZipUtilityInterfaceDelegate, ZipUtilityCompressionFormat format /*= COMPRESSION_FORMAT_UNKNOWN*/)
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{
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UZipFileFunctionInternalCallback* InternalCallback = NewObject<UZipFileFunctionInternalCallback>();
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InternalCallback->SetFlags(RF_MarkAsRootSet);
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InternalCallback->SetCallback(Name, ZipUtilityInterfaceDelegate, format);
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ListFilesInArchive(archivePath, InternalCallback, format);
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return true;
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}
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bool UZipFileFunctionLibrary::UnzipFileNamedTo(const FString& archivePath, const FString& Name, const FString& destinationPath, UObject* ZipUtilityInterfaceDelegate, ZipUtilityCompressionFormat format /*= COMPRESSION_FORMAT_UNKNOWN*/)
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{
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UZipFileFunctionInternalCallback* InternalCallback = NewObject<UZipFileFunctionInternalCallback>();
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InternalCallback->SetFlags(RF_MarkAsRootSet);
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InternalCallback->SetCallback(Name, destinationPath, ZipUtilityInterfaceDelegate, format);
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ListFilesInArchive(archivePath, InternalCallback, format);
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return true;
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}
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UZipOperation* UZipFileFunctionLibrary::UnzipFilesTo(const TArray<int32> fileIndices, const FString & archivePath, const FString & destinationPath, UObject * ZipUtilityInterfaceDelegate, ZipUtilityCompressionFormat format)
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{
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return UnzipFilesOnBGThreadWithFormat(fileIndices, archivePath, destinationPath, ZipUtilityInterfaceDelegate, format);
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}
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UZipOperation* UZipFileFunctionLibrary::UnzipFiles(const TArray<int32> fileIndices, const FString & ArchivePath, UObject * ZipUtilityInterfaceDelegate, ZipUtilityCompressionFormat format)
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{
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FString Directory;
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FString FileName;
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//Check Directory validity
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if (!IsValidDirectory(Directory, FileName, ArchivePath))
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{
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return nullptr;
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}
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if (fileIndices.Num() == 0)
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{
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return nullptr;
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}
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return UnzipFilesTo(fileIndices, ArchivePath, Directory, ZipUtilityInterfaceDelegate, format);
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}
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UZipOperation* UZipFileFunctionLibrary::Unzip(const FString& ArchivePath, UObject* ZipUtilityInterfaceDelegate, ZipUtilityCompressionFormat Format /*= COMPRESSION_FORMAT_UNKNOWN*/)
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{
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FString Directory;
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FString FileName;
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//Check Directory validity
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if (!IsValidDirectory(Directory, FileName, ArchivePath) || !UWindowsFileUtilityFunctionLibrary::DoesFileExist(ArchivePath))
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{
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((IZipUtilityInterface*)ZipUtilityInterfaceDelegate)->Execute_OnDone((UObject*)ZipUtilityInterfaceDelegate, ArchivePath, EZipUtilityCompletionState::FAILURE_NOT_FOUND);
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return nullptr;
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}
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return UnzipTo(ArchivePath, Directory, ZipUtilityInterfaceDelegate, Format);
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}
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UZipOperation* UZipFileFunctionLibrary::UnzipWithLambda(const FString& ArchivePath, TFunction<void()> OnDoneCallback, TFunction<void(float)> OnProgressCallback, ZipUtilityCompressionFormat Format)
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{
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UZULambdaDelegate* LambdaDelegate = NewObject<UZULambdaDelegate>();
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LambdaDelegate->AddToRoot();
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LambdaDelegate->SetOnDoneCallback([LambdaDelegate, OnDoneCallback]()
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{
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OnDoneCallback();
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LambdaDelegate->RemoveFromRoot();
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});
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LambdaDelegate->SetOnProgessCallback(OnProgressCallback);
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return Unzip(ArchivePath, LambdaDelegate, Format);
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}
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UZipOperation* UZipFileFunctionLibrary::UnzipTo(const FString& ArchivePath, const FString& DestinationPath, UObject* ZipUtilityInterfaceDelegate, ZipUtilityCompressionFormat Format)
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{
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return UnzipOnBGThreadWithFormat(ArchivePath, DestinationPath, ZipUtilityInterfaceDelegate, Format);
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}
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UZipOperation* UZipFileFunctionLibrary::Zip(const FString& ArchivePath, UObject* ZipUtilityInterfaceDelegate, ZipUtilityCompressionFormat Format, TEnumAsByte<ZipUtilityCompressionLevel> Level)
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{
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FString Directory;
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FString FileName;
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//Check Directory and File validity
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if (!IsValidDirectory(Directory, FileName, ArchivePath) || !UWindowsFileUtilityFunctionLibrary::DoesFileExist(ArchivePath))
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{
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((IZipUtilityInterface*)ZipUtilityInterfaceDelegate)->Execute_OnDone((UObject*)ZipUtilityInterfaceDelegate, ArchivePath, EZipUtilityCompletionState::FAILURE_NOT_FOUND);
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return nullptr;
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}
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return ZipOnBGThread(ArchivePath, FileName, Directory, ZipUtilityInterfaceDelegate, Format, Level);
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}
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UZipOperation* UZipFileFunctionLibrary::ZipWithLambda(const FString& ArchivePath, TFunction<void()> OnDoneCallback, TFunction<void(float)> OnProgressCallback /*= nullptr*/, ZipUtilityCompressionFormat Format /*= COMPRESSION_FORMAT_UNKNOWN*/, TEnumAsByte<ZipUtilityCompressionLevel> Level /*=COMPRESSION_LEVEL_NORMAL*/)
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{
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UZULambdaDelegate* LambdaDelegate = NewObject<UZULambdaDelegate>();
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LambdaDelegate->AddToRoot();
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LambdaDelegate->SetOnDoneCallback([OnDoneCallback, LambdaDelegate]()
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{
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OnDoneCallback();
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LambdaDelegate->RemoveFromRoot();
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});
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LambdaDelegate->SetOnProgessCallback(OnProgressCallback);
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return Zip(ArchivePath, LambdaDelegate, Format);
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}
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bool UZipFileFunctionLibrary::ListFilesInArchive(const FString& path, UObject* ListDelegate, ZipUtilityCompressionFormat format)
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{
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FString Directory;
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FString FileName;
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//Check Directory validity
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if (!IsValidDirectory(Directory, FileName, path))
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{
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return false;
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}
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ListOnBGThread(path, Directory, ListDelegate, format);
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return true;
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}
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FGraphEventRef UZipFileFunctionLibrary::RunLambdaOnGameThread(TFunction< void()> InFunction)
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{
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return FFunctionGraphTask::CreateAndDispatchWhenReady(InFunction, TStatId(), nullptr, ENamedThreads::GameThread);
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}
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