irc/TechBot/TechBot.Commands.Common/WMCommand.cs

   1 using System;
   2 using System.Xml;
   3
   4 using TechBot.Library;
   5
   6 namespace TechBot.Commands.Common
   7 {
   8     [Command("wm" , Help = "!wm <value> or !wm <name>")]
   9         public class WMCommand : XmlCommand
  10         {
  11         public WMCommand()
  12                 {
  13                 }
  14
  15         public override string XmlFile
  16         {
  17             get { return Settings.Default.WMXml; }
  18         }
  19
  20         [CommandParameter("wm", "The windows message to check" , DefaultParameter = true)]
  21         public string WMText
  22         {
  23             get { return Parameters; }
  24             set { Parameters = value; }
  25         }
  26
  27                 public override void ExecuteCommand()
  28                 {
  29             if (string.IsNullOrEmpty(WMText))
  30             {
  31                 Say("Please provide a valid window message value or name.");
  32
  33             }
  34             else
  35             {
  36                 NumberParser np = new NumberParser();
  37                 long wm = np.Parse(WMText);
  38                 string output;
  39                 if (np.Error)
  40                 {
  41                     // Assume "!wm <name>" form.
  42                     output = GetWmNumber(WMText);
  43                 }
  44                 else
  45                 {
  46                     output = GetWmDescription(wm);
  47                 }
  48
  49                 if (output != null)
  50                 {
  51                     Say("{0} is {1}.",
  52                          WMText,
  53                          output);
  54                 }
  55                 else
  56                 {
  57                     Say("I don't know about window message {0}.", WMText);
  58                 }
  59             }
  60                 }
  61
  62                 private string GetWmDescription(long wm)
  63                 {
  64                         XmlElement root = base.m_XmlDocument.DocumentElement;
  65                         XmlNode node = root.SelectSingleNode(String.Format("WindowMessage[@value='{0}']",
  66                                                                            wm));
  67                         if (node != null)
  68                         {
  69                                 XmlAttribute text = node.Attributes["text"];
  70                                 if (text == null)
  71                                         throw new Exception("Node has no text attribute.");
  72                                 return text.Value;
  73                         }
  74                         else
  75                                 return null;
  76                 }
  77
  78                 private string GetWmNumber(string wmName)
  79                 {
  80                         XmlElement root = base.m_XmlDocument.DocumentElement;
  81                         XmlNode node = root.SelectSingleNode(String.Format("WindowMessage[@text='{0}']",
  82                                                                            wmName));
  83                         if (node != null)
  84                         {
  85                                 XmlAttribute value = node.Attributes["value"];
  86                                 if (value == null)
  87                                         throw new Exception("Node has no value attribute.");
  88                                 return value.Value;
  89                         }
  90                         else
  91                                 return null;
  92                 }
  93         }
  94 }