* DiscImageChef.DiscImages/CPCDSK.cs:

* DiscImageChef.DiscImages/DiscImageChef.DiscImages.csproj:
	  Added CPCEMU Disk File and Extended Disk File.

	* TODO:
	* README.md:
	* DiscImageChef.Filesystems/CPM/CPM.cs:
	* DiscImageChef.Filesystems/CPM/Dir.cs:
	* DiscImageChef.Filesystems/CPM/Info.cs:
	* DiscImageChef.Filesystems/CPM/File.cs:
	* DiscImageChef.Filesystems/CPM/Xattr.cs:
	* DiscImageChef.Filesystems/CPM/Super.cs:
	* DiscImageChef.Filesystems/CPM/Consts.cs:
	* DiscImageChef.Filesystems/CPM/Structs.cs:
	* DiscImageChef.Filesystems/CPM/cpmdefs.xml:
	* DiscImageChef.Filesystems/CPM/Definitions.cs:
	* DiscImageChef.Filesystems/DiscImageChef.Filesystems.csproj:
	  Added CP/M filesystem, closes #29.

DiscImageChef.Filesystems/CPM/File.cs

@@ -5,11 +5,11 @@
 // Filename       : File.cs
 // Author(s)      : Natalia Portillo <claunia@claunia.com>
 //
-// Component      : Component
+// Component      : CP/M filesystem plugin.
 //
 // --[ Description ] ----------------------------------------------------------
 //
-//     Description
+//     Methods to handle files.
 //
 // --[ License ] --------------------------------------------------------------
 //
@@ -29,14 +29,117 @@
 // ----------------------------------------------------------------------------
 // Copyright © 2011-2016 Natalia Portillo
 // ****************************************************************************/
+
 using System;
+
 namespace DiscImageChef.Filesystems.CPM
 {
-    public class File
+    partial class CPM : Filesystem
     {
-        public File()
+        public override Errno GetAttributes(string path, ref FileAttributes attributes)
         {
+            if(!mounted)
+                return Errno.AccessDenied;
+
+            string[] pathElements = path.Split(new char[] { '/' }, StringSplitOptions.RemoveEmptyEntries);
+            if(pathElements.Length != 1)
+                return Errno.NotSupported;
+
+            FileEntryInfo fInfo;
+
+            if(string.IsNullOrEmpty(pathElements[0]) || string.Compare(pathElements[0], "/", StringComparison.OrdinalIgnoreCase) == 0)
+            {
+                attributes = new FileAttributes();
+                attributes = FileAttributes.Directory;
+                return Errno.NoError;
+            }
+
+            if(statCache.TryGetValue(pathElements[0].ToUpperInvariant(), out fInfo))
+            {
+                attributes = fInfo.Attributes;
+                return Errno.NoError;
+            }
+
+            return Errno.NoSuchFile;
         }
+
+        public override Errno MapBlock(string path, long fileBlock, ref long deviceBlock)
+        {
+            if(!mounted)
+                return Errno.AccessDenied;
+
+            // TODO: Implementing this would require storing the interleaving
+            return Errno.NotImplemented;
+        }
+
+        public override Errno Read(string path, long offset, long size, ref byte[] buf)
+        {
+            if(!mounted)
+                return Errno.AccessDenied;
+
+            if(size == 0)
+            {
+                buf = new byte[0];
+                return Errno.NoError;
+            }
+
+            if(offset < 0)
+                return Errno.InvalidArgument;
+
+            string[] pathElements = path.Split(new char[] { '/' }, StringSplitOptions.RemoveEmptyEntries);
+            if(pathElements.Length != 1)
+                return Errno.NotSupported;
+
+            byte[] file;
+
+            if(!fileCache.TryGetValue(pathElements[0].ToUpperInvariant(), out file))
+                return Errno.NoSuchFile;
+
+            if(offset >= file.Length)
+                return Errno.EINVAL;
+
+            if(size + offset >= file.Length)
+                size = file.Length - offset;
+
+            buf = new byte[size];
+            Array.Copy(file, offset, buf, 0, size);
+            return Errno.NoError;
+        }
+
+        public override Errno ReadLink(string path, ref string dest)
+        {
+            if(!mounted)
+                return Errno.AccessDenied;
+
+            return Errno.NotSupported;
+        }
+
+        public override Errno Stat(string path, ref FileEntryInfo stat)
+        {
+            if(!mounted)
+                return Errno.AccessDenied;
+
+            string[] pathElements = path.Split(new char[] { '/' }, StringSplitOptions.RemoveEmptyEntries);
+            if(pathElements.Length != 1)
+                return Errno.NotSupported;
+
+            if(string.IsNullOrEmpty(path) || string.Compare(path, "/", StringComparison.OrdinalIgnoreCase) == 0)
+            {
+                if(labelCreationDate != null)
+                    stat.CreationTime = DateHandlers.CPMToDateTime(labelCreationDate);
+                if(labelUpdateDate != null)
+                    stat.StatusChangeTime = DateHandlers.CPMToDateTime(labelUpdateDate);
+                stat.Attributes = FileAttributes.Directory;
+                stat.BlockSize = xmlFSType.ClusterSize;
+                return Errno.NoError;
+            }
+
+            if(statCache.TryGetValue(pathElements[0].ToUpperInvariant(), out stat))
+                return Errno.NoError;
+
+            return Errno.NoSuchFile;
+        }
+
     }
 }