public override void ExitRule(IParseTreeListener listener)
{
ISearchListener typedListener = listener as ISearchListener;
if (typedListener != null)
{
typedListener.ExitExactText(this);
}
}
public override void EnterRule(IParseTreeListener listener)
{
ISearchListener typedListener = listener as ISearchListener;
if (typedListener != null)
{
typedListener.EnterHashText(this);
}
}
public void Search(string path, ISearchListener listener)
{
var attrs = File.GetAttributes(path);
if (!attrs.HasFlag(FileAttributes.Directory))
{
listener.OnFile(path);
return;
}
var stack = new Stack <string>();
stack.Push(path);
while (stack.Count > 0)
{
var dir = stack.Pop();
var result = listener.OnDirectory(dir);
if (result == SearchControl.Abort)
{
return;
}
if (result == SearchControl.Visit)
{
// find files
foreach (var file in Directory.EnumerateFiles(dir))
{
var fileResult = listener.OnFile(file);
if (fileResult == SearchControl.Abort)
{
return;
}
}
// find directories
foreach (var subdir in Directory.EnumerateDirectories(dir))
{
stack.Push(subdir);
}
}
}
}
