Initial commit - WPinternals 2.6

DiscUtils/Vfs/VfsFileSystemFactory.cs

@@ -0,0 +1,63 @@
+//
+// Copyright (c) 2008-2011, Kenneth Bell
+//
+// 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.
+//
+
+namespace DiscUtils.Vfs
+{
+    using System.IO;
+
+    /// <summary>
+    /// Base class for logic to detect file systems.
+    /// </summary>
+    public abstract class VfsFileSystemFactory
+    {
+        /// <summary>
+        /// Detects if a stream contains any known file systems.
+        /// </summary>
+        /// <param name="stream">The stream to inspect.</param>
+        /// <returns>A list of file systems (may be empty).</returns>
+        public DiscUtils.FileSystemInfo[] Detect(Stream stream)
+        {
+            return Detect(stream, null);
+        }
+
+        /// <summary>
+        /// Detects if a volume contains any known file systems.
+        /// </summary>
+        /// <param name="volume">The volume to inspect.</param>
+        /// <returns>A list of file systems (may be empty).</returns>
+        public DiscUtils.FileSystemInfo[] Detect(VolumeInfo volume)
+        {
+            using (Stream stream = volume.Open())
+            {
+                return Detect(stream, volume);
+            }
+        }
+
+        /// <summary>
+        /// The logic for detecting file systems.
+        /// </summary>
+        /// <param name="stream">The stream to inspect.</param>
+        /// <param name="volumeInfo">Optionally, information about the volume.</param>
+        /// <returns>A list of file systems detected (may be empty).</returns>
+        public abstract DiscUtils.FileSystemInfo[] Detect(Stream stream, VolumeInfo volumeInfo);
+    }
+}