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74 lines
2.8 KiB
74 lines
2.8 KiB
#pragma once
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#include "WFULambdaRunnable.h"
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#include "WindowsFileUtilityFunctionLibrary.generated.h"
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//Struct to Track which delegate is watching files
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struct FWatcher
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{
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UObject* Delegate;
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FString Path;
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WFULambdaRunnable* Runnable = nullptr;
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FThreadSafeBool ShouldRun = true;
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};
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inline bool operator==(const FWatcher& lhs, const FWatcher& rhs)
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{
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return lhs.Delegate == rhs.Delegate;
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}
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UCLASS(ClassGroup = WindowsFileUtility, Blueprintable)
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class WINDOWSFILEUTILITY_API UWindowsFileUtilityFunctionLibrary : public UBlueprintFunctionLibrary
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{
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GENERATED_UCLASS_BODY()
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UFUNCTION(BlueprintCallable, Category = WindowsFileUtility)
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static bool DoesFileExist(const FString& FullPath);
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/*Expects full path including name. you can use this function to rename files.*/
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UFUNCTION(BlueprintCallable, Category = WindowsFileUtility)
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static bool MoveFileTo(const FString& From, const FString& To);
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/*Expects full path including folder name.*/
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UFUNCTION(BlueprintCallable, Category = WindowsFileUtility)
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static bool CreateDirectoryAt(const FString& FullPath);
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/*Deletes file (not directory). Expects full path.*/
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UFUNCTION(BlueprintCallable, Category = WindowsFileUtility)
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static bool DeleteFileAt(const FString& FullPath);
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/*Deletes empty folders only. Expects full path.*/
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UFUNCTION(BlueprintCallable, Category = WindowsFileUtility)
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static bool DeleteEmptyFolder(const FString& FullPath);
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/*Dangerous function, not exposed to blueprint. */
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UFUNCTION(BlueprintCallable, Category = WindowsFileUtility)
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static bool DeleteFolderRecursively(const FString& FullPath);
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/** Watch a folder for change. WatcherDelegate should respond to FolderWatchInterface*/
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UFUNCTION(BlueprintCallable, Category = WindowsFileUtility)
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static void WatchFolder(const FString& FullPath, UObject* WatcherDelegate);
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/** Stop watching a folder for change. WatcherDelegate should respond to FolderWatchInterface*/
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UFUNCTION(BlueprintCallable, Category = WindowsFileUtility)
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static void StopWatchingFolder(const FString& FullPath, UObject* WatcherDelegate);
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/** List the contents, expects UFileListInterface*/
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UFUNCTION(BlueprintCallable, Category = WindowsFileUtility)
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static void ListContentsOfFolder(const FString& FullPath, UObject* ListDelegate);
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//Convenience C++ callback
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static void ListContentsOfFolderToCallback(const FString& FullPath, TFunction<void(const TArray<FString>&, const TArray<FString>&)> OnListCompleteCallback);
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//Todo: add watch folder with threadsafe boolean passthrough
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//static void ListContentsOfFolderToCallback(const FString& FullPath, TFunction<void(const TArray<FString>&, const TArray<FString>&)> OnListCompleteCallback);
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private:
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static void WatchFolderOnBgThread(const FString& FullPath, const FWatcher* Watcher);
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static TMap<FString, TArray<FWatcher>> Watchers;
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};
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