// Copyright (C) 2001 Moonlight Enterprises, All Rights Reserved
//
// Author: Jim Richardson, develop@wtfo-guru.com
+// Dan Lewis (dihlewis@yahoo.co.uk)
// Created: Monday, August 13, 2001
//
//------------------------------------------------------------------------------
using System;
-namespace System.IO
-{
- /// <summary>
- ///
- /// </summary>
- public abstract class FileSystemInfo : MarshalByRefObject
- {
- // protected stat status;
- private bool inited;
-
- protected string FullPath;
- protected string OriginalPath;
+namespace System.IO {
+
+ [Serializable]
+ public abstract class FileSystemInfo : MarshalByRefObject {
+ // public properties
- protected FileSystemInfo()
- {
- /*
- status.st_dev = 0;
- status.st_mode = 0;
- status.st_nlink = 0;
- status.st_uid = 0;
- status.st_gid = 0;
- status.st_size = 0;
- status.st_atime = 0;
- status.st_mtime = 0;
- status.st_ctime = 0;
- */
-
- FullPath = OriginalPath = String.Empty;
- }
+ public abstract bool Exists { get; }
- public FileAttributes Attributes
- {
- get
- {
- return getAttributes();
- }
- set
- {
- //TODO: Implement
+ public abstract string Name { get; }
+
+ public virtual string FullName {
+ get {
+ return FullPath;
}
}
- public DateTime CreationTime
- {
- get
- {
- if(!inited)
- {
- update();
- }
- // TODO: fix next line as far as my research has taken me so far, Unix/Linux don't
- // have a creation time and according to my man the ctime if the last time
- // one of the chmod flags was changed
- return c2csharpTime(10);//status.st_ctime);
- }
- set
- {
- //TODO: Implement
+ public string Extension {
+ get {
+ return Path.GetExtension (Name);
}
}
- public abstract bool Exists {get;}
- public abstract string Name {get;}
- public abstract void Delete();
+ public FileAttributes Attributes {
+ get {
+ Refresh (false);
+ return stat.Attributes;
+ }
- /// <summary>
- /// Get the extension of this item
- /// </summary>
- public string Extension
- {
- get
- {
- return Path.GetExtension(getPathName());
+ set {
+ MonoIOError error;
+
+ if (!MonoIO.SetFileAttributes (FullName,
+ value,
+ out error))
+ throw MonoIO.GetException (error);
+ Refresh (true);
}
}
- public string FullName
- {
- get
- {
- return getPathName();
+ public DateTime CreationTime {
+ get {
+ Refresh (false);
+ return DateTime.FromFileTime (stat.CreationTime);
+ }
+
+ set {
+ long filetime = value.ToFileTime ();
+
+ MonoIOError error;
+
+ if (!MonoIO.SetFileTime (FullName, filetime,
+ -1, -1, out error))
+ throw MonoIO.GetException (error);
+ Refresh (true);
}
}
- public DateTime LastAccessTime
- {
- get
- {
- if(!inited)
- {
- update();
- }
- return c2csharpTime(1);//status.st_atime);
+ public DateTime CreationTimeUtc {
+ get {
+ return CreationTime.ToUniversalTime ();
}
- set
- {
- // TODO: Implement
+ set {
+ CreationTime = value.ToLocalTime ();
}
}
- public DateTime LastWriteTime
- { // TODO: Implement
- get
- {
- if(!inited)
- {
- update();
- }
- return c2csharpTime(1);//status.st_mtime);
+ public DateTime LastAccessTime {
+ get {
+ Refresh (false);
+ return DateTime.FromFileTime (stat.LastAccessTime);
}
- set
- { // TODO: Implement
+
+ set {
+ long filetime = value.ToFileTime ();
+
+ MonoIOError error;
+
+ if (!MonoIO.SetFileTime (FullName, -1,
+ filetime, -1,
+ out error))
+ throw MonoIO.GetException (error);
+ Refresh (true);
}
}
- public override int GetHashCode()
- {
- return getPathName().GetHashCode();
+ public DateTime LastAccessTimeUtc {
+ get {
+ Refresh (false);
+ return LastAccessTime.ToUniversalTime ();
+ }
+
+ set {
+ LastAccessTime = value.ToLocalTime ();
+ }
}
- public override bool Equals(object obj)
- { // TODO: Implement
- return false;
+ public DateTime LastWriteTime {
+ get {
+ Refresh (false);
+ return DateTime.FromFileTime (stat.LastWriteTime);
+ }
+
+ set {
+ long filetime = value.ToFileTime ();
+
+ MonoIOError error;
+
+ if (!MonoIO.SetFileTime (FullName, -1, -1,
+ filetime, out error))
+ throw MonoIO.GetException (error);
+ Refresh (true);
+ }
}
- new public static bool Equals(object obj1, object obj2)
- { // TODO: Implement
- return false;
+ public DateTime LastWriteTimeUtc {
+ get {
+ Refresh (false);
+ return LastWriteTime.ToUniversalTime ();
+ }
+
+ set {
+ LastWriteTime = value.ToLocalTime ();
+ }
}
-
- public void Refresh()
+
+ // public methods
+
+ public abstract void Delete ();
+
+ public void Refresh ()
{
- update();
+ Refresh (true);
}
-
- unsafe private void update()
+ // protected
+
+ protected FileSystemInfo ()
{
- /*
- stat fs;
- int nRetCode = Wrapper.stat(getPathName(), &fs);
- status = fs;
- switch(nRetCode)
- {
- case 0:
- break;
- case Wrapper.ENOENT:
- case Wrapper.ENOTDIR:
- throw new ArgumentException("File not found");
- //break; generates warning CS0162 unreachable code
- default:
- throw new IOException();
- //break; generates warning CS0162 unreachable code
- }
- inited = true;
- */
+ this.valid = false;
+ this.FullPath = null;
}
- private DateTime c2csharpTime(double seconds)
- { // TODO: determine if UTC time which the
- // calculation below is in is correct
- DateTime dt = new DateTime(1970, 1, 1, 0, 0, 0);
- dt.AddSeconds(seconds);
- return dt;
+ protected string FullPath;
+ protected string OriginalPath;
+
+ // internal
+
+ internal void Refresh (bool force)
+ {
+ if (valid && !force)
+ return;
+
+ MonoIOError error;
+
+ MonoIO.GetFileStat (FullName, out stat, out error);
+ valid = true;
+
+ InternalRefresh ();
}
- protected string getPathName()
+ internal virtual void InternalRefresh ()
{
- if(FullPath == String.Empty)
- {
- FullPath = Path.GetFullPath(OriginalPath);
- }
- return FullPath;
- }
-
- protected FileAttributes getAttributes()
- {
- if(!inited)
- {
- update();
- }
-
- // TODO: lots more attribute work needed
-
- FileAttributes attrib = 0;
- /*
- if(((status.st_mode & Wrapper.S_IFMT) & Wrapper.S_IFDIR) != 0)
- {
- attrib |= FileAttributes.Directory;
- }
- else
- {
- attrib |= FileAttributes.Normal;
- }
- */
+ }
- return attrib;
+ internal void CheckPath (string path)
+ {
+ if (path == null)
+ throw new ArgumentNullException ();
+ if (path.IndexOfAny (Path.InvalidPathChars) != -1)
+ throw new ArgumentException ("Invalid characters in path.");
}
+
+ internal MonoIOStat stat;
+ internal bool valid;
}
}