- Add support for "!wm <value>" and "!wm <name>" commands.

- Update the #develop project file.
- Add list of window message values. Thanks to Royce3.

svn path=/trunk/; revision=20164

irc/TechBot/TechBot.Library/WmCommand.cs

@@ -0,0 +1,104 @@
+using System;
+using System.Xml;
+
+namespace TechBot.Library
+{
+	public class WmCommand : BaseCommand, ICommand
+	{
+		private IServiceOutput serviceOutput;
+		private string wmXml;
+		private XmlDocument wmXmlDocument;
+
+		public WmCommand(IServiceOutput serviceOutput,
+		                 string wmXml)
+		{
+			this.serviceOutput = serviceOutput;
+			this.wmXml = wmXml;
+			wmXmlDocument = new XmlDocument();
+			wmXmlDocument.Load(wmXml);
+		}
+		
+		public bool CanHandle(string commandName)
+		{
+			return CanHandle(commandName,
+			                 new string[] { "wm" });
+		}
+
+		public void Handle(MessageContext context,
+		                   string commandName,
+		                   string parameters)
+		{
+			string wmText = parameters;
+			if (wmText.Equals(String.Empty))
+			{
+				serviceOutput.WriteLine(context,
+				                        "Please provide a valid window message value or name.");
+				return;
+			}
+
+			NumberParser np = new NumberParser();
+			long wm = np.Parse(wmText);
+			string output;
+			if (np.Error)
+			{
+				// Assume "!wm <name>" form.
+				output = GetWmNumber(wmText);
+			}
+			else
+			{
+				output = GetWmDescription(wm);
+			}
+
+			if (output != null)
+			{
+				serviceOutput.WriteLine(context,
+				                        String.Format("{0} is {1}.",
+				                                      wmText,
+			        	                              output));
+			}
+			else
+			{
+				serviceOutput.WriteLine(context,
+				                        String.Format("I don't know about window message {0}.",
+			        	                              wmText));
+			}
+		}
+		
+		public string Help()
+		{
+			return "!wm <value> or !wm <name>";
+		}
+		
+		private string GetWmDescription(long wm)
+		{
+			XmlElement root = wmXmlDocument.DocumentElement;
+			XmlNode node = root.SelectSingleNode(String.Format("WindowMessage[@value='{0}']",
+			                                                   wm));
+			if (node != null)
+			{
+				XmlAttribute text = node.Attributes["text"];
+				if (text == null)
+					throw new Exception("Node has no text attribute.");
+				return text.Value;
+			}
+			else
+				return null;
+		}
+		
+		private string GetWmNumber(string wmName)
+		{
+			XmlElement root = wmXmlDocument.DocumentElement;
+			XmlNode node = root.SelectSingleNode(String.Format("WindowMessage[@text='{0}']",
+			                                                   wmName));
+			if (node != null)
+			{
+				XmlAttribute value = node.Attributes["value"];
+				if (value == null)
+					throw new Exception("Node has no value attribute.");
+				return value.Value;
+			}
+			else
+				return null;
+		}
+	}
+}