apps/meteor/app/irc/server/servers/RFC2813/parseMessage.js
/**
* This file is part of https://github.com/martynsmith/node-irc
* by https://github.com/martynsmith
*/
const replyFor = require('./codes');
/**
* parseMessage(line, stripColors)
*
* takes a raw "line" from the IRC server and turns it into an object with
* useful keys
* @param {String} line Raw message from IRC server.
* @return {Object} A parsed message object.
*/
module.exports = function parseMessage(line) {
const message = {};
let match;
// Parse prefix
match = line.match(/^:([^ ]+) +/);
if (match) {
message.prefix = match[1];
line = line.replace(/^:[^ ]+ +/, '');
match = message.prefix.match(/^([_a-zA-Z0-9\~\[\]\\`^{}|-]*)(!([^@]+)@(.*))?$/);
if (match) {
message.nick = match[1];
message.user = match[3];
message.host = match[4];
} else {
message.server = message.prefix;
}
}
// Parse command
match = line.match(/^([^ ]+) */);
message.command = match[1];
message.rawCommand = match[1];
message.commandType = 'normal';
line = line.replace(/^[^ ]+ +/, '');
if (replyFor[message.rawCommand]) {
message.command = replyFor[message.rawCommand].name;
message.commandType = replyFor[message.rawCommand].type;
}
message.args = [];
let middle;
let trailing;
// Parse parameters
if (line.search(/^:|\s+:/) !== -1) {
match = line.match(/(.*?)(?:^:|\s+:)(.*)/);
middle = match[1].trimRight();
trailing = match[2];
} else {
middle = line;
}
if (middle.length) {
message.args = middle.split(/ +/);
}
if (typeof trailing !== 'undefined' && trailing.length) {
message.args.push(trailing);
}
return message;
};