private static void FileSystemVisitorOnFileFinded(object sender, ItemFindedEventArgs args)
{
//System.Console.WriteLine($"File : { args.Path } ");
//if (args.Path.Contains("Installer"))
// args.ExcludeItem = true;
args.ShouldStopSearch = true;
}
public ActionType ProcessItemFinded <TItemInfo>(
TItemInfo itemInfo,
Func <FileSystemInfo, bool> filter,
EventHandler <ItemFindedEventArgs <TItemInfo> > itemFinded,
EventHandler <ItemFindedEventArgs <TItemInfo> > filteredItemFinded,
Action <EventHandler <ItemFindedEventArgs <TItemInfo> >, ItemFindedEventArgs <TItemInfo> > eventEmitter)
where TItemInfo : FileSystemInfo
{
ItemFindedEventArgs <TItemInfo> args = new ItemFindedEventArgs <TItemInfo>
{
FindedItem = itemInfo,
ActionType = ActionType.ContinueSearch
};
eventEmitter(itemFinded, args);
if (args.ActionType != ActionType.ContinueSearch || filter == null)
{
return(args.ActionType);
}
if (filter(itemInfo))
{
args = new ItemFindedEventArgs <TItemInfo>
{
FindedItem = itemInfo,
ActionType = ActionType.ContinueSearch
};
eventEmitter(filteredItemFinded, args);
return(args.ActionType);
}
return(ActionType.SkipElement);
}
private IEnumerable <FileSystemInfo> GetAllSubFileSystemInfo(DirectoryInfo directory)
{
IEnumerable <FileSystemInfo> directories;
try
{
directories = directory.EnumerateFileSystemInfos();
}
catch (UnauthorizedAccessException)
{
throw new UnauthorizedAccessException($"You don't have access to the {directory.FullName} directory");
}
foreach (var fileSystemInfo in directories)
{
FileInfo fileInfo = fileSystemInfo as FileInfo;
if (fileInfo != null)
{
ItemFindedEventArgs <FileInfo> fileEventArgs = new ItemFindedEventArgs <FileInfo> {
FindedItem = fileInfo, ActionType = Action.ContinueSearch
};
OnEvent(FileFinded, fileEventArgs);
//It Checks what the consumer want to do with the founded file
if (fileEventArgs.ActionType == Action.StopSearch)
{
yield break;
}
else if (fileEventArgs.ActionType == Action.SkipElement)
{
continue;
}
else if (FileSystemInfoFilter(fileInfo, FilteredFileFinded))
{
yield return(fileInfo);
}
}
DirectoryInfo directoryInfo = fileSystemInfo as DirectoryInfo;
if (directoryInfo != null)
{
ItemFindedEventArgs <DirectoryInfo> directoryEventArgs = new ItemFindedEventArgs <DirectoryInfo> {
FindedItem = directoryInfo, ActionType = Action.ContinueSearch
};
OnEvent(DirectoryFinded, directoryEventArgs);
//It Checks what the consumer want to do with the founded directory
if (directoryEventArgs.ActionType == Action.StopSearch)
{
yield break;
}
else if ((directoryEventArgs.ActionType == Action.ContinueSearch) && FileSystemInfoFilter(directoryInfo, FilteredDirectoryFinded))
{
yield return(directoryInfo);
}
foreach (var innerInfo in GetAllSubFileSystemInfo(directoryInfo))
{
yield return(innerInfo);
}
}
}
}
