X-Git-Url: http://wien.tomnetworks.com/gitweb/?a=blobdiff_plain;f=mcs%2Fclass%2Fcorlib%2FSystem.IO%2FFileSystemInfo.cs;h=9c2c3fae9f05eb3f21e12028c6c38e6d343370f9;hb=b52c963187c59fd167cfde556dfd4304f8ded041;hp=78401f05c4d0d2c223dfb846d5d4f6add1f97566;hpb=de8d7509951154853e63a7b38d9be3b82ab0baab;p=mono.git
diff --git a/mcs/class/corlib/System.IO/FileSystemInfo.cs b/mcs/class/corlib/System.IO/FileSystemInfo.cs
index 78401f05c4d..9c2c3fae9f0 100644
--- a/mcs/class/corlib/System.IO/FileSystemInfo.cs
+++ b/mcs/class/corlib/System.IO/FileSystemInfo.cs
@@ -3,220 +3,268 @@
// System.IO.FileSystemInfo.cs
//
// Copyright (C) 2001 Moonlight Enterprises, All Rights Reserved
+// Copyright 2011 Xamarin Inc (http://www.xamarin.com).
//
// Author: Jim Richardson, develop@wtfo-guru.com
+// Dan Lewis (dihlewis@yahoo.co.uk)
// Created: Monday, August 13, 2001
//
//------------------------------------------------------------------------------
-using System;
-
-namespace System.IO
-{
- ///
- ///
- ///
- public abstract class FileSystemInfo : MarshalByRefObject
- {
- // protected stat status;
- private bool inited;
-
- protected string FullPath;
- protected string OriginalPath;
+//
+// Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+//
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+
+using System.Runtime.InteropServices;
+using System.Runtime.Serialization;
+using System.Security;
+using System.Security.Permissions;
+
+namespace System.IO {
+
+ [Serializable]
+ [FileIOPermission (SecurityAction.InheritanceDemand, Unrestricted = true)]
+ [ComVisible (true)]
+#if NET_2_1
+ public abstract class FileSystemInfo {
+#else
+ public abstract class FileSystemInfo : MarshalByRefObject, ISerializable {
+
+ #region Implementation of ISerializable
- protected FileSystemInfo()
+ [ComVisible(false)]
+ public virtual void GetObjectData (SerializationInfo info, StreamingContext context)
{
- /*
- 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;
- }
-
- [MonoTODO]
- public FileAttributes Attributes
- {
- get
- {
- return getAttributes();
- }
- set
- {
- //TODO: Implement
+ info.AddValue ("OriginalPath", OriginalPath, typeof(string));
+ info.AddValue ("FullPath", FullPath, typeof(string));
+ }
+
+ #endregion Implementation of ISerializable
+#endif
+ // public properties
+
+ public abstract bool Exists { get; }
+
+ public abstract string Name { get; }
+
+ public virtual string FullName {
+ get {
+ return FullPath;
}
}
- [MonoTODO]
- 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;
+ }
- ///
- /// Get the extension of this item
- ///
- public string Extension
- {
- get
- {
- return Path.GetExtension(getPathName());
+ set {
+ MonoIOError error;
+
+ if (!MonoIO.SetFileAttributes (FullName,
+ value,
+ out error))
+ throw MonoIO.GetException (FullName,
+ error);
+ Refresh (true);
}
}
- public string FullName
- {
- get
- {
- return getPathName();
+ public DateTime CreationTime {
+ get {
+ Refresh (false);
+ return DateTime.FromFileTime (stat.CreationTime);
+ }
+
+ set {
+ SecurityManager.EnsureElevatedPermissions (); // this is a no-op outside moonlight
+
+ long filetime = value.ToFileTime ();
+
+ MonoIOError error;
+
+ if (!MonoIO.SetFileTime (FullName, filetime,
+ -1, -1, out error))
+ throw MonoIO.GetException (FullName,
+ error);
+ Refresh (true);
}
}
- [MonoTODO]
- public DateTime LastAccessTime
- {
- get
- {
- if(!inited)
- {
- update();
- }
- return c2csharpTime(1);//status.st_atime);
+ [ComVisible(false)]
+ public DateTime CreationTimeUtc {
+ get {
+ return CreationTime.ToUniversalTime ();
}
- set
- {
- // TODO: Implement
+ set {
+ CreationTime = value.ToLocalTime ();
}
}
- [MonoTODO]
- 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 {
+ SecurityManager.EnsureElevatedPermissions (); // this is a no-op outside moonlight
+
+ long filetime = value.ToFileTime ();
+
+ MonoIOError error;
+
+ if (!MonoIO.SetFileTime (FullName, -1,
+ filetime, -1,
+ out error))
+ throw MonoIO.GetException (FullName,
+ error);
+ Refresh (true);
}
}
- public override int GetHashCode()
- {
- return getPathName().GetHashCode();
+ [ComVisible(false)]
+ public DateTime LastAccessTimeUtc {
+ get {
+ Refresh (false);
+ return LastAccessTime.ToUniversalTime ();
+ }
+
+ set {
+ LastAccessTime = value.ToLocalTime ();
+ }
}
- [MonoTODO]
- public override bool Equals(object obj)
- { // TODO: Implement
- return false;
+ public DateTime LastWriteTime {
+ get {
+ Refresh (false);
+ return DateTime.FromFileTime (stat.LastWriteTime);
+ }
+
+ set {
+ SecurityManager.EnsureElevatedPermissions (); // this is a no-op outside moonlight
+
+ long filetime = value.ToFileTime ();
+
+ MonoIOError error;
+
+ if (!MonoIO.SetFileTime (FullName, -1, -1,
+ filetime, out error))
+ throw MonoIO.GetException (FullName,
+ error);
+ Refresh (true);
+ }
}
- [MonoTODO]
- new public static bool Equals(object obj1, object obj2)
- { // TODO: Implement
- return false;
+ [ComVisible(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;
- }
-
- [MonoTODO]
- 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;
+ this.valid = false;
+ this.FullPath = null;
}
-
- protected string getPathName()
+
+ protected FileSystemInfo (SerializationInfo info, StreamingContext context)
{
- if(FullPath == String.Empty)
+ if (info == null)
{
- FullPath = Path.GetFullPath(OriginalPath);
+ throw new ArgumentNullException("info");
}
- return FullPath;
- }
- [MonoTODO]
- protected FileAttributes getAttributes()
- {
- if(!inited)
- {
- update();
- }
+ FullPath = info.GetString("FullPath");
+ OriginalPath = info.GetString("OriginalPath");
+ }
+
+ protected string FullPath;
+ protected string OriginalPath;
+
+ // internal
+
+ internal void Refresh (bool force)
+ {
+ if (valid && !force)
+ return;
+
+ MonoIOError error;
- // 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;
- }
- */
+ MonoIO.GetFileStat (FullName, out stat, out error);
+ /* Don't throw on error here, too much other
+ * stuff relies on it not doing so...
+ */
+
+ valid = true;
+
+ InternalRefresh ();
+ }
+
+ internal virtual void InternalRefresh ()
+ {
+ }
- return attrib;
+ internal void CheckPath (string path)
+ {
+ if (path == null)
+ throw new ArgumentNullException ("path");
+ if (path.Length == 0)
+ throw new ArgumentException ("An empty file name is not valid.");
+ if (path.IndexOfAny (Path.InvalidPathChars) != -1)
+ throw new ArgumentException ("Illegal characters in path.");
+ if (Environment.IsRunningOnWindows) {
+ int idx = path.IndexOf (':');
+ if (idx >= 0 && idx != 1)
+ throw new ArgumentException ("path");
+ }
}
+
+ internal MonoIOStat stat;
+ internal bool valid;
}
}