There are 6 previous versions of this script.
// ==UserScript==
// @name Shiichan post filter (old)
// @namespace http://dis.4chan.org/enterprise/
// @description Removes unwanted posts from shiichan.org by regex/programmatic filter.
// @include http://dis.4chan.org/*
// @exclude http://dis.4chan.org/list*
// @exclude http://dis.4chan.org/post
// ==/UserScript==
(function() {
regexen = [
(/((DIX!\s*)|(That was VIP quality!\s*)){20,}/),
/Please try to ignore troll posts!/,
/http:\/\/userscripts.org\/scripts\/show\/40415/,
/Please go to http:\/\/tinyurl.com\//,
/don\'t sage if you're replying to the thread\. sage if you are saying \'fuck this thread, go to \/r\/\' or whatever\. idiot\./
];
filters = [
function(pd) { return pd.posterTrip() == "!FrOzEn2BUo" || pd.posterTrip() == "!frozEn/Klg" || pd.linksToHidden(); }
//,
//function(pd) { return pd.posterTrip() == "!!TthtFzrtPXElUy7" }
];
reallyHide = false;
modifyTruncatedLinks = true;
var board;
function init() {
var posts = document.getElementsByClassName('post');
for(var i = 0; i < posts.length; ++i) {
var child = posts[i].querySelector("blockquote");
processPost(posts[i], child);
}
board = location.pathname.match(/^\/(?:read\/)?(.*?)\//)[1];
var linkRegex = new RegExp("^http://" + location.host + "/read/" + board + "/(\\d+)/(\\d+)/?$");
for(var i = 0; i < document.links.length; ++i) {
var ln = document.links[i];
var match;
if(ln.textContent.match(/Post\s+truncated\./)) {
if(modifyTruncatedLinks)
ln.addEventListener('click', untruncate, true);
continue;
}
if(match = ln.href.match(linkRegex)) {
var thread = match[1];
var post = match[2];
//I'm obviously not going to do EXPERT LINKING for links such as ">>4,67,34", but I
//might do it for links such as ">>493-498" if all of 493 through 498 are visible.
if(post.match(/\d+$/)) {
var target = document.getElementById(thread + "." + post);
if(target) {
ln.target = thread + "." + post;
//JavaScript's scoping is fucking weird, also, GreaseMonkey dicks with the DOM by adding wrappers
//that screw things up, so I'm just going to stick with storing a string property on the link.
ln.addEventListener('click', function(evt) {
evt.preventDefault();
location.href = "#" + this.target;
//document.getElementById(this.target).scrollIntoView();
}, true);
//Fuck anyone who doesn't use Pseud0ch.
ln.style.color = '#009966';
}
}
}
}
}
function isPostVisible (threadID, postID) {
return null != document.getElementById(threadID + "." + postID);
}
function getAncestor (elem, predicate) {
for(var a = elem; a != null; a = a.parentNode)
if(predicate(a))
return a;
return null;
}
//When called, 'this' is the 'Post truncated...' link.
function untruncate (evt) {
evt.preventDefault();
var ln = this;
var marquee = document.createElement("marquee");
marquee.appendChild(document.createTextNode("Please wait, haxing anii..."));
marquee.style.width = "20em";
marquee.setAttribute("scrolldelay", 40);
marquee.setAttribute("scrollAmount", 7);
ln.parentNode.appendChild(marquee);
ln.textContent = "Cancel";
ln.removeEventListener("click", untruncate, true);
var bq = getAncestor(ln, function(a) { return a.nodeName.toLowerCase() == "blockquote"; });
var abort = fetchPost(ln.href, function(success, res) {
if(success) {
bq.innerHTML = res;
// TODO: Call prettify on <code> elements.
} else {
ln.textContent = "Failed: " + res[1];
cancelUntruncate(function(){}, marquee, ln);
return;
}
});
ln.addEventListener('click', function(e) {
e.preventDefault();
cancelUntruncate(abort, marquee, ln);
}, true);
}
function cancelUntruncate (abort, marquee, ln) {
abort();
marquee.parentNode.removeChild(marquee);
ln.removeEventListener('click', cancelUntruncate, true);
ln.addEventListener('click', untruncate, true);
ln.textContent = 'Post truncated.';
}
function fetchPost (url, f) {
var req = new XMLHttpRequest();
req.open('GET', url, true);
req.onreadystatechange = function() {
//alert("hma " + req.readyState + " " + req.status);
if(req.readyState == 4) {
if (req.status == 200 || req.status == 304) {
//Hax my anus does this, so it obviously works. And it's less work than using responseXML.
//TODO: Fetch the JSON instead.
var comment = req.responseText.split("<blockquote>");
comment = comment[1].split("</blockquote>");
comment = comment[0].replace(/^\s+|\s+$/g,"");
f(true, comment);
} else {
f(false, [req.status, req.statusText]);
}
}
}
req.send();
return function() { req.abort(); };
}
function expand() {
post.style.opacity = 1;
post.style.overflow = "visible";
post.style.maxHeight = "";
this.removeEventListener("click", expand, false);
this.addEventListener("click", collapse, false);
}
function collapse() {
post.style.maxHeight = "1.2em";
post.style.opacity = 0.5;
post.style.overflow = "hidden";
this.removeEventListener("click", collapse, false);
this.addEventListener("click", expand, false);
}
// This cache maps from thread DOM elements to thread IDs.
// This is bad, but it will be deleted once the script finishes
// so it's not as bad.
var threadIDCache = {};
// This is the slowest part of the script, which is why it is cached.
function findThreadID(post) {
var thread = post.parentNode;
var cached = threadIDCache[thread];
if(cached)
return cached;
var input = thread.parentNode.querySelector('input[name="id"]');
threadID = parseInt(input.value);
return threadIDCache[thread] = threadID;
}
function processPost (post, blockquote) {
var h3 = post.querySelector('h3');
var id, threadID;
threadID = findThreadID(post);
//Get the post ID from the little clickable number link to the left.
if(h3)
id = parseInt(h3.querySelector('span').textContent);
if(threadID && id)
post.id = threadID + "." + id;
var text = blockquote.textContent;
function makeHidden() {
if(reallyHide) {
post.style.display = "none";
return;
}
var span = document.createElement("SPAN");
span.style.fontStyle = "italic";
span.appendChild(document.createTextNode("(Hidden: click to expand/collapse)"));
h3 && h3.lastChild && h3.lastChild.appendChild(span);
collapse.apply(span);
}
for(var i = 0; i < regexen.length; ++i) {
if (regexen[i].test(text)) {
makeHidden();
return;
}
}
if(filters.length) {
function attrib (attr) {
var hasCached = false, cached = null;
return function () {
if(hasCached)
return cached;
var elem = this.domElement.querySelector('.'+attr);
hasCached = true;
return cached = elem ? elem.textContent : null;
};
/*var elems = post.getElementsByClassName(attr);
if(elems.length > 0)
return elems[0].textContent;
return null;*/
}
var board = location.pathname.match(/^\/(?:read\/)?(.*?)\//)[1];
var linkRegex = new RegExp("^http://" + location.host + "/read/" + board + "/(\\d+)/(\\d+)/?$");
var fullInfo = {
postID : id,
threadID : threadID,
posterName : attrib('postername'),
posterTrip : attrib('postertrip'),
posterDate : attrib('posterdate'),
posterID : attrib('id'),
fullPostInfoLine : attrib('postinfo'), //Includes 'Name: ' etc.
domElement : post,
postContent : text,
board : board,
linksToHidden : function() {
var links = this.domElement.getElementsByTagName("A");
for(var i = 0; i < links.length; ++i) {
var matches = links[i].href.match(linkRegex);
if(matches) {
var elem = document.getElementById(matches[1] + "." + matches[2]);
if(elem && elem.style && (elem.style.overflow == "hidden" || elem.style.display == "none"))
return true;
}
}
return false;
},
getAttr : function(attr) {
return attrib(attr);
},
setAttr : function(attr, value) {
var elem = this.domElement.getElementsByClassName(attr);
if(elems.length > 0)
elems[0].textContent = value;
}
};
for(var i = 0; i < filters.length; ++i) {
if(filters[i](fullInfo)) {
makeHidden();
return;
}
}
}
}
window.addEventListener('load', function(evt) {
init();
threadIDCache = null;
}, false);
})();
