Mega Code Archive
Directory Walker
<![CDATA[
/*
Cafechess Library: Cover basic chess programming needs, like GUI, Engine integration,
FEN and PGN parsing.
\\|//
(o o)
--------------ooO-(_)-Ooo----------------------------------
Copyright (C) 2009 By Gregory A. Prentice Snoqualmie, WA
www.cafechess.org
cafechess@comcast.net
Oooo
--------------oooO----( )---------------------------------
( ) (_/
\_)
Microsoft Public License (Ms-PL)
Revisions:
Author Date Description:
*/
using System;
using System.IO;
namespace Cafechess.IO
{
public class DirectoryWalker
{
string coDirectoryName;
string coDirectoryPattern;
string coFilePattern;
bool coRecursive;
bool coFinished;
bool coCancel;
public delegate void FoundFile(string fileName);
public event FoundFile FoundFileEvent;
public delegate void FoundDirectory(string directoryName);
public event FoundDirectory FoundDirectoryEvent;
public delegate void FinishedSearch();
public event FinishedSearch FinishedSearchEvent;
public string DirectoryName
{
get{return coDirectoryName;}
set{coDirectoryName = value;}
}
public string DirectoryPattern
{
get{return coDirectoryPattern;}
set{ coDirectoryPattern = value;}
}
public string FilePattern
{
get{return coFilePattern;}
set{coFilePattern = value;}
}
public bool Recursive
{
get{return coRecursive;}
set{coRecursive = value;}
}
public bool Cancel
{
get { return coCancel; }
set { coCancel = value; }
}
public bool Finished
{
get { return coFinished; }
set { coFinished = value; }
}
public DirectoryWalker()
{
DirectoryName = System.IO.Path.DirectorySeparatorChar.ToString();
DirectoryPattern = null;
FilePattern = "*.*";
Recursive = false;
Cancel = false;
}
void Search(string directoryName)
{
try
{
// Find files in the current directory.
SearchFiles(directoryName);
if (Recursive && Cancel == false)
{
foreach (string d in Directory.GetDirectories(directoryName))
{
if (FoundDirectoryEvent != null)
FoundDirectoryEvent(d);
SearchFiles(d);
if (Cancel == true)
break;
Search(d);
}
}
}
catch (System.Exception excpt)
{
Console.WriteLine(excpt.Message);
}
}
void SearchFiles(string directoryName)
{
if (Cancel == false)
{
foreach (string f in Directory.GetFiles(directoryName, FilePattern))
{
if (FoundFileEvent != null)
FoundFileEvent(f);
if (Cancel == true)
break;
}
}
}
public void Search()
{
Finished = false;
Search(DirectoryName);
Cancel = false;
Finished = true;
if (FinishedSearchEvent != null)
FinishedSearchEvent();
}
public void Search(string filename, bool recursive)
{
DirectoryName = System.IO.Path.GetDirectoryName(filename);
FilePattern = System.IO.Path.GetFileName(filename);
Search();
}
public void AddEvents(IDirectoryWalkerEvents ie)
{
FoundFileEvent += new DirectoryWalker.FoundFile(ie.FoundFile);
FoundDirectoryEvent += new FoundDirectory(ie.FoundDirectory);
FinishedSearchEvent += new FinishedSearch(ie.FinishedSearch);
}
public void RemoveEvents(IDirectoryWalkerEvents ie)
{
FoundFileEvent -= new DirectoryWalker.FoundFile(ie.FoundFile);
FoundDirectoryEvent -= new FoundDirectory(ie.FoundDirectory);
FinishedSearchEvent -= new FinishedSearch(ie.FinishedSearch);
}
public interface IDirectoryWalkerEvents
{
void FoundFile(string filename);
void FoundDirectory(string directoryName);
void FinishedSearch();
}
}
}
]]>