CringeStudios/IRC_Client
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Add support for message tags

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Simon Ser 2020-06-12 18:55:57 +02:00
parent b3bcd4d230
commit d4394498a2
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GPG Key ID: 0FDE7BE0E88F5E48
1 changed files with 50 additions and 2 deletions
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52
assets/irc.js
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@ -13,6 +13,46 @@ const ERR_SASLTOOLONG = "905";
const ERR_SASLABORTED = "906";
const ERR_SASLALREADY = "907";
var tagsEscape = {
";": "\\:",
" ": "\\s",
"\\": "\\\\",
"\r": "\\r",
"\n": "\\n",
};
function parseTags(s) {
var tags = {};
s.split(";").forEach(function(s) {
if (!s) {
return;
}
var parts = s.split("=", 2);
if (parts.length != 2) {
throw new Error("expected an equal sign in tag");
}
var k = parts[0];
var v = parts[1];
for (var ch in tagsEscape) {
v = v.replaceAll(tagsEscape[ch], ch);
}
tags[k] = v;
});
return tags;
}
function formatTags(tags) {
var l = [];
for (var k in tags) {
var v = tags[k];
for (var ch in tagsEscape) {
v = v.replaceAll(ch, tagsEscape[ch]);
}
l.push(k + "=" + v);
}
return l.join(";");
}
function parsePrefix(s) {
var prefix = {
name: null,
@ -54,17 +94,22 @@ function parseMessage(s) {
}
var msg = {
tags: {},
prefix: null,
command: null,
params: [],
};
if (s.startsWith("@")) {
// TODO: parse tags
var i = s.indexOf(" ");
if (i < 0) {
throw new Error("expected a space after tags");
}
msg.tags = parseTags(s.slice(1, i));
s = s.slice(i + 1);
}
if (s.startsWith(":")) {
var parts = s.split(" ", 2);
var i = s.indexOf(" ");
if (i < 0) {
throw new Error("expected a space after prefix");
@ -103,6 +148,9 @@ function parseMessage(s) {
function formatMessage(msg) {
var s = "";
// TODO: format tags
if (msg.tags && Object.keys(msg.tags).length > 0) {
s += "@" + formatTags(msg.tags) + " ";
}
if (msg.prefix) {
s += ":" + formatPrefix(msg.prefix) + " ";
}