--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/USBLib/Communication/WindowsUsbDeviceRegistry.cs	Mon Apr 15 01:04:59 2013 +0200
@@ -0,0 +1,97 @@
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.Text.RegularExpressions;
+using UCIS.HWLib.Windows.Devices;
+using UCIS.USBLib.Internal.Windows;
+
+namespace UCIS.USBLib.Communication {
+	public abstract class WindowsUsbDeviceRegistry {
+		public DeviceNode DeviceNode { get; private set; }
+
+		// Parsed out of the device ID
+		private bool mIsDeviceIDParsed;
+		private byte mInterfaceID;
+		private ushort mVid;
+		private ushort mPid;
+		private ushort mRevision;
+
+		private IDictionary<string, object> mDeviceProperties;
+
+		public String DevicePath { get; private set; }
+		public String DeviceID { get; private set; }
+		public String SymbolicName { get { return DevicePath; } }
+
+		private static Regex RegHardwareID = null;
+
+		protected WindowsUsbDeviceRegistry(DeviceNode device, String interfacepath) {
+			DeviceNode = device;
+			DeviceID = device.DeviceID;
+			DevicePath = interfacepath;
+		}
+
+		public IDictionary<string, object> DeviceProperties {
+			get {
+				if (mDeviceProperties == null) mDeviceProperties = SetupApi.GetSPDRPProperties(DeviceNode);
+				return mDeviceProperties;
+			}
+		}
+
+		private void parseDeviceID() {
+			if (mIsDeviceIDParsed) return;
+			if (RegHardwareID == null) {
+				RegexOptions OPTIONS = RegexOptions.CultureInvariant | RegexOptions.IgnorePatternWhitespace | RegexOptions.Singleline | RegexOptions.Compiled | RegexOptions.ExplicitCapture | RegexOptions.IgnoreCase;
+				string PATTERN = "(Vid_(?<Vid>[0-9A-F]{1,4}))|(Pid_(?<Pid>[0-9A-F]{1,4}))|(Rev_(?<Rev>[0-9]{1,4}))|(MI_(?<MI>[0-9A-F]{1,2}))";
+				RegHardwareID = new Regex(PATTERN, OPTIONS);
+			}
+			String[] HardwareIDs = DeviceNode.GetPropertyStringArray(CMRDP.HARDWAREID);
+			String HardwareID = null;
+			if (HardwareIDs == null || HardwareIDs.Length < 1 || HardwareIDs[0].Length == 0) {
+				HardwareID = DeviceID;
+			} else {
+				HardwareID = HardwareIDs[0];
+			}
+			foreach (Match match in RegHardwareID.Matches(HardwareID)) {
+				Group group = match.Groups["Vid"];
+				if (group.Success) ushort.TryParse(group.Value, NumberStyles.HexNumber, null, out mVid);
+				group = match.Groups["Pid"];
+				if (group.Success) ushort.TryParse(group.Value, NumberStyles.HexNumber, null, out mPid);
+				group = match.Groups["Rev"];
+				if (group.Success) ushort.TryParse(group.Value, NumberStyles.Integer, null, out mRevision);
+				group = match.Groups["MI"];
+				if (group.Success) Byte.TryParse(group.Value, NumberStyles.HexNumber, null, out mInterfaceID);
+			}
+			mIsDeviceIDParsed = true;
+		}
+		public int Vid {
+			get {
+				parseDeviceID();
+				return mVid;
+			}
+		}
+		public int Pid {
+			get {
+				parseDeviceID();
+				return mPid;
+			}
+		}
+		public byte InterfaceID {
+			get {
+				parseDeviceID();
+				return (byte)mInterfaceID;
+			}
+		}
+
+		public string Name { get { return DeviceNode.GetPropertyString(CMRDP.DEVICEDESC); } }
+		public string Manufacturer { get { return DeviceNode.GetPropertyString(CMRDP.MFG); } }
+		public string FullName {
+			get {
+				String desc = Name;
+				String mfg = Manufacturer;
+				if (mfg == null) return desc;
+				if (desc == null) return mfg;
+				return mfg + " - " + desc;
+			}
+		}
+	}
+}