65 lines
2.4 KiB
C#
65 lines
2.4 KiB
C#
using SharpChat.Channels;
|
|
using SharpChat.Events;
|
|
using SharpChat.Messages;
|
|
using SharpChat.Protocol.IRC.Channels;
|
|
using SharpChat.Protocol.IRC.Users;
|
|
using SharpChat.Users;
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using System.Text;
|
|
|
|
namespace SharpChat.Protocol.IRC.ServerCommands {
|
|
public class ServerPrivateMessageCommand : ServerCommand {
|
|
public const string NAME = @"PRIVMSG";
|
|
|
|
public override string CommandName => NAME;
|
|
|
|
private IChannel Channel { get; }
|
|
public override IUser Sender { get; }
|
|
private string Line { get; }
|
|
|
|
public ServerPrivateMessageCommand(IChannel channel, IUser sender, string line) {
|
|
Channel = channel ?? throw new ArgumentNullException(nameof(channel));
|
|
Sender = sender ?? throw new ArgumentNullException(nameof(sender));
|
|
Line = line ?? throw new ArgumentNullException(nameof(line));
|
|
}
|
|
|
|
protected override string BuildLine() {
|
|
return $@"{Channel.GetIRCName()} :{Line}";
|
|
}
|
|
|
|
public static IEnumerable<ServerPrivateMessageCommand> Split(IMessage message) {
|
|
return Split(message.Channel, message.Sender, message.Text);
|
|
}
|
|
|
|
public static IEnumerable<ServerPrivateMessageCommand> Split(IChannel channel, IUser sender, string text) {
|
|
Queue<string> parts = new(SplitText(text));
|
|
while(parts.TryDequeue(out string part))
|
|
yield return new ServerPrivateMessageCommand(channel, sender, part);
|
|
}
|
|
|
|
public static IEnumerable<string> SplitText(string text, int targetLength = 400) {
|
|
Queue<string> lines = new(text.Split('\n'));
|
|
|
|
static int getStartingChar(byte[] buff, int index) {
|
|
return (buff[index] & 0xC0) == 0x80 ? getStartingChar(buff, index - 1) : index;
|
|
};
|
|
|
|
while(lines.TryDequeue(out string rawLine)) {
|
|
byte[] line = Encoding.UTF8.GetBytes(rawLine.Trim());
|
|
int chunks = line.Length / targetLength;
|
|
int start = 0;
|
|
|
|
for(int i = chunks; i > 0; --i) {
|
|
int end = getStartingChar(line, start + targetLength);
|
|
yield return Encoding.UTF8.GetString(line, start, end - start);
|
|
start = end;
|
|
}
|
|
|
|
if(line.Length > start)
|
|
yield return Encoding.UTF8.GetString(line, start, line.Length - start);
|
|
}
|
|
}
|
|
}
|
|
}
|