// BFS from root to all sub directories
private List <FileInfo> getFiles(ExcutionContext context)
{
var files = new List <FileInfo>();
var curDepth = 0;
var queue = new Queue <DirectoryInfo>();
queue.Enqueue(root);
while (queue.Count > 0)
{
if (context.getMaxDepth() == curDepth)
{
return(files);
}
var curDirectory = queue.Dequeue();
foreach (var subDirectory in curDirectory.GetDirectories())
{
queue.Enqueue(subDirectory);
}
foreach (var file in curDirectory.GetFiles())
{
files.Add(file);
}
curDepth++;
}
return(files);
}
public void Execute()
{
var context = new ExcutionContext();
var files = new List <FileInfo>();
//Options: exscute before find files
foreach (var option in options)
{
option.setup(context);
}
files = getFiles(context);
//Filter: addtional filters to files
foreach (var filter in filters)
{
files = files.Where(f => filter.evaluate(f)).ToList();
}
// store filted files into context for further Actions
context.files = files;
//Action: execute Action at the end
foreach (var action in actions)
{
action.invoke(context);
}
files.ForEach(f => Console.WriteLine($@"{f.FullName}\{f.Name} size: {f.Length/(1024)} KB"));
}
