pb_DirectoryMap.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using System.IO;
using System.Text.RegularExpressions;

public class pb_DirectoryMap {
	public string name;
	public string path;
	public List<pb_DirectoryMap> directories;
	public List<string> files;

	// Use this for initialization
	public pb_DirectoryMap(string Name, string Path){
		name = Name;
		path = Path;// Should be in the form PathA/PathB/PathC/Name
		map(Path);
	}

	public List<string> getSubDirectoryNames(){
		List<string> names = new List<string> ();
		foreach (pb_DirectoryMap dir in directories) {
			names.Add(dir.name);
		}
		return names;
	}

	public string getParentDirectory(){
		Regex r = new Regex (".*\\/");
		Match m = r.Match(path);
		if (m.Success) {
			string parDirectory = m.Value;
			return parDirectory.Substring (0, parDirectory.Length - 1);
		}
		return "";
	}

	public string getRoot(){
		Regex r = new Regex(".*?\\/");
		Match m = r.Match(path);
		return m.Value;
	}

	public string getPathNoRoot(){
		string root = getRoot ();
		if (root != "") {
			return path.Replace (root, "");
		}
		return "";
	}
	public List<string> getFileNames(){
		return files;
	}

	public List<string> getFilesMatch (string pattern){
		Regex r = new Regex (pattern);
		List<string> matches = new List<string> ();
		foreach (string file in files) {
			if (r.IsMatch (file)) {
				matches.Add (file);
			}
		}
		return matches;
	}

	public void map (string path) {
		directories = new List<pb_DirectoryMap>();
		files = new List<string>();
		DirectoryInfo info = new DirectoryInfo (Application.dataPath + "/Resources/" + path);
		FileInfo[] fileInfo = info.GetFiles ();
		foreach (FileInfo fInfo in fileInfo) {
			// Decipher between files and folders
			if (isFolder (fInfo.Name)) {
				string folderName = fInfo.Name.Replace (".meta", "");
				directories.Add (new pb_DirectoryMap (folderName, path + '/' + folderName));
			} else {
				files.Add (fInfo.Name);
			}
		}
	}


	bool isFolder(string fName){		
		int sIndex = fName.LastIndexOf (".meta");
		if(sIndex == -1){
			return false;
		}
		if ((fName.Substring (0, sIndex).IndexOf ('.')) != -1) {
			return false;
		}
		return true;
	}
		
}