reactos/irc/TechBot/TechBot.Library/WinerrorCommand.cs

87 lines
2.4 KiB
C#
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using System;
using System.Xml;
namespace TechBot.Library
{
public class WinerrorCommand : BaseCommand, ICommand
{
private IServiceOutput serviceOutput;
private string winerrorXml;
private XmlDocument winerrorXmlDocument;
public WinerrorCommand(IServiceOutput serviceOutput,
string winerrorXml)
{
this.serviceOutput = serviceOutput;
this.winerrorXml = winerrorXml;
winerrorXmlDocument = new XmlDocument();
winerrorXmlDocument.Load(winerrorXml);
}
public bool CanHandle(string commandName)
{
return CanHandle(commandName,
new string[] { "winerror" });
}
public void Handle(MessageContext context,
string commandName,
string parameters)
{
string winerrorText = parameters;
if (winerrorText.Equals(String.Empty))
{
serviceOutput.WriteLine(context,
"Please provide a valid System Error Code value.");
return;
}
NumberParser np = new NumberParser();
long winerror = np.Parse(winerrorText);
if (np.Error)
{
serviceOutput.WriteLine(context,
String.Format("{0} is not a valid System Error Code value.",
winerrorText));
return;
}
string description = GetWinerrorDescription(winerror);
if (description != null)
{
serviceOutput.WriteLine(context,
String.Format("{0} is {1}.",
winerrorText,
description));
}
else
{
serviceOutput.WriteLine(context,
String.Format("I don't know about System Error Code {0}.",
winerrorText));
}
}
public string Help()
{
return "!winerror <value>";
}
private string GetWinerrorDescription(long winerror)
{
XmlElement root = winerrorXmlDocument.DocumentElement;
XmlNode node = root.SelectSingleNode(String.Format("Winerror[@value='{0}']",
winerror));
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;
}
}
}