benharri.org
IRC parsing, tokenization, and state handling in C#
Add sample project
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IrcTokens.sln
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IrcTokens.sln
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# Visual Studio Version 16
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VisualStudioVersion = 16.0.30011.22
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "IrcTokens", "IrcTokens\IrcTokens.csproj", "{9E812F45-B2CD-42D2-8378-EBEBF8697905}"
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Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "IrcTokens", "IrcTokens\IrcTokens.csproj", "{9E812F45-B2CD-42D2-8378-EBEBF8697905}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Sample", "Sample\Sample.csproj", "{A45DA39B-6B47-4713-8049-3B36E0235B67}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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{9E812F45-B2CD-42D2-8378-EBEBF8697905}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{9E812F45-B2CD-42D2-8378-EBEBF8697905}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{9E812F45-B2CD-42D2-8378-EBEBF8697905}.Release|Any CPU.Build.0 = Release|Any CPU
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{A45DA39B-6B47-4713-8049-3B36E0235B67}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{A45DA39B-6B47-4713-8049-3B36E0235B67}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{A45DA39B-6B47-4713-8049-3B36E0235B67}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{A45DA39B-6B47-4713-8049-3B36E0235B67}.Release|Any CPU.Build.0 = Release|Any CPU
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE
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IrcTokens/Line.cs
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IrcTokens/Line.cs
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private Hostmask _hostmask;
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private readonly string _rawLine;
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public override string ToString() =>
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$"Line(source={Source}, command={Command}, tags={string.Join(";", Tags.Select(kvp => $"{kvp.Key}={kvp.Value}"))}, params={string.Join(",", Params)})";
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public override string ToString()
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{
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var vars = new List<string>();
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if (Command != null)
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vars.Add($"command={Command}");
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if (Source != null)
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vars.Add($"source={Source}");
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if (Params != null && Params.Any())
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vars.Add($"params=[{string.Join(",", Params)}]");
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if (Tags != null && Tags.Any())
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vars.Add($"tags=[{string.Join(";", Tags.Select(kvp => $"{kvp.Key}={kvp.Value}"))}]");
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return $"Line({string.Join(", ", vars)})";
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}
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public override int GetHashCode() => Format().GetHashCode(StringComparison.Ordinal);
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Sample/Client.cs
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Sample/Client.cs
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using System;
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using System.Collections.Generic;
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using System.Net.Sockets;
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using System.Text;
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using IrcTokens;
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namespace Sample
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{
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public class Client
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{
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private readonly Socket _socket;
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private readonly StatefulDecoder _decoder;
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private readonly StatefulEncoder _encoder;
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private readonly byte[] _bytes;
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public Client()
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{
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_decoder = new StatefulDecoder();
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_encoder = new StatefulEncoder();
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_socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.IP);
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_bytes = new byte[1024];
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}
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public void Start()
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{
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_socket.Connect("127.0.0.1", 6667);
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Send(new Line {Command = "USER", Params = new List<string> {"username", "0", "*", "real name"}});
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Send(new Line {Command = "NICK", Params = new List<string> {"statefulbot"}});
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while (true)
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{
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var bytesReceived = _socket.Receive(_bytes);
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var lines = _decoder.Push(_bytes);
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if (lines.Count == 0)
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{
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Console.WriteLine("! disconnected");
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_socket.Shutdown(SocketShutdown.Both);
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break;
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}
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foreach (var line in lines)
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{
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Console.WriteLine($"< {line.Format()}");
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switch (line.Command)
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{
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case "PING":
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Send(new Line {Command = "PONG", Params = line.Params});
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break;
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case "001":
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Send(new Line {Command = "JOIN", Params = new List<string> {"#channel"}});
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break;
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}
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}
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}
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}
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private void Send(Line line)
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{
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Console.WriteLine($"> {line.Format()}");
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_encoder.Push(line);
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while (_encoder.PendingBytes.Length > 0)
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_encoder.Pop(_socket.Send(_encoder.PendingBytes));
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}
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}
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}
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Sample/Program.cs
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Sample/Program.cs
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using System;
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using System.Collections.Generic;
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using IrcTokens;
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namespace Sample
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{
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public class Program
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{
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public static void Main(string[] args)
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{
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// tokenization
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var line = new Line("@id=123 :ben!~ben@hostname PRIVMSG #channel :hello there!");
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Console.WriteLine(line);
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Console.WriteLine(line.Format());
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// formatting
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var line2 = new Line
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{
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Command = "USER",
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Params = new List<string> {"user", "0", "*", "real name"}
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};
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Console.WriteLine(line2);
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Console.WriteLine(line2.Format());
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// stateful example
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var client = new Client();
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client.Start();
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}
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}
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}
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Sample/Sample.csproj
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Sample/Sample.csproj