Markdown and BB-codes for vk.com

Enable ability mark text in VK.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

Bạn sẽ cần cài đặt một tiện ích mở rộng như Tampermonkey hoặc Violentmonkey để cài đặt kịch bản này.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(Tôi đã có Trình quản lý tập lệnh người dùng, hãy cài đặt nó!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name			Markdown and BB-codes for vk.com
// @name:ru			Разметка и BB-коды для vk.com
// @namespace		vk.com/xcang
// @version			2016.08.29.19.24
// @description		Enable ability mark text in VK.
// @description:ru	Включает возможность размечать и оформлять текст в контакте.
// @author			XCanG
// @match			vk.com/*
// @grant			none
// @icon			https://upload.wikimedia.org/wikipedia/commons/thumb/4/48/Markdown-mark.svg/208px-Markdown-mark.svg.png
// ==/UserScript==

function repl(str) {
	//console.time("Regex work");
	str = str.replace(/>\s?(?:(?:-\s?){3,}|(?:\*\s?){3,}|(?:_\s?){3,})</ig, '><hr /><').replace(/\[hr\]/ig, '<hr />'); // *** --- ___ or more convert to line break (hr)
	str = str.replace(/(<br\s*\/?>|[\r\n]+)(((?:[\*\-+](?:(?!<br\s*\/?>)(?!\s*\[[ x]\])[^\r\n\|])+)(?:<br\s*\/?>)?){2,})<br\s*\/?>/ig, '$1<ul class="list"><li>$2</li></ul>');
	while (/(<li>|<br\s*\/?>[\*\-+]\s?)(?:[\*\-+]\s?)?((?:(?!<\/li>)(?!<li>)(?!<\/ul>)(?!\s*\[[ x]\])[^\r\n|])+?)<br\s*\/?>(?!<\/li>)[\*\-+]\s?((?!\s*\[[ x]\]).)/im.test(str)) str = str.replace(/(<li>|<br\s*\/?>[\*\-+]\s?)(?:[\*\-+]\s?)?((?:(?!<\/li>)(?!<li>)(?!<\/ul>)(?!\s*\[[ x]\])[^\r\n|])+?)<br\s*\/?>(?!<\/li>)[\*\-+]\s?((?!\s*\[[ x]\]).)/ig, '$1$2</li><li>$3');
	str = str.replace(/\[list\].*?\[[\*\-+]\]((?:(?!\[list\])(?!\[\/list])[^])+)\[\/list\]/ig, '<ul class="list"><li>$1</li></ul>').replace(/(?:<br\s*\/?>\s*)?\[[\*\-+]\]\s*/ig, '</li><li>').replace(/<br\s*\/?><\/li>/ig, '</li>').replace(/(<br\s*\/?>)((?:(?:\d+\.(?:(?!<br\s*\/?>)[^\r\n])*)(?:<br\s*\/?>)?)+)(<br\s*\/?>)/ig, '$1<ol class="list"><li>$2</li></ol>$3').replace(/li>\s?\d+\.\s*/ig, 'li>').replace(/\[list\].*?\[\d+\]((?:(?!\[list\]|\[\/list])[^])*)\[\/list\]/ig, '<ol class="list"><li>$1</li></ol>').replace(/(?:<br\s*\/?>\s*)?\[\d+\]\s*/ig, '</li><li>'); // * items or - items or 1. item1 2. item2
	while (/(<li>(?:(?!<li>)(?!<\/ul>)(?!<\/ol>)[^\r\n\[\]])+?)<br/im.test(str)) str = str.replace(/(<li>(?:(?!<li>)(?!<\/ul>)(?!<\/ol>)[^\r\n\[\]])+?)<br/ig, '$1</li><li').replace(/li>\s?\d+\.\s*/ig, 'li>').replace(/<li><\/li>/ig, '');
	str = str.replace(/\*\*([^\r\n\[\]]+?)\*\*/ig, '<strong class="bold">$1</strong>').replace(/\[b\](.+?)\[\/b\]/ig, '<strong class="bold">$1</strong>'); // **bold** or [b]bold[/b]
	str = str.replace(/~~([^\r\n~]+)~~/ig, '<span class="strikeout">$1</span>').replace(/\[s\](.+?)\[\/s\]/ig, '<span class="strikeout">$1</span>'); // ~~strike~~ or [s]strike[/s]
	str = str.replace(/__([^\r\n_]+?)__/ig, '<span class="underline">$1</span>').replace(/\[u\](.+?)\[\/u\]/ig, '<span class="underline">$1</span>'); // __underline__ or [u]underline[/u]
	str = str.replace(/(\*|_)((?:(?!<br\s*\/?>)(?![\w_]+=["'])[^\r\n*\[\]])+)\1/ig, '<em class="italic">$2</em>').replace(/\[i\](.+?)\[\/i\]/ig, '<span class="italic">$1</span>'); // *italic* or _italic_ or [i]italic[/i]
	str = str.replace(/\[o\](.+?)\[\/o\]/ig, '<span class="overline">$1</span>'); // [o]overline[/o]
	str = str.replace(/\[sub\](.+?)\[\/sub\]/ig, '<span class="sub">$1</span>'); // [sub]subtitle[/sub]
	str = str.replace(/\[sup\](.+?)\[\/sup\]/ig, '<span class="sup">$1</span>'); // [sup]superscript[/sup]
	str = str.replace(/{(?:#([\w\-]+)|<[\w\s="'\\//;:?&%]+>#([\w\-]+)<\/\w+>)}/ig, '<span class="anchor" id="$1$2"></span>'); // {#anchor}
	str = str.replace(/\[c(?:enter)?\](.+?)\[\/c(?:enter)?\]/ig, '<span class="centering">$1</span>'); // [c]center[/c]
	str = str.replace(/\[r(?:ight)?\](.+?)\[\/r(?:ight)?\]/ig, '<span class="right">$1</span>'); // [r]right[/r]
	str = str.replace(/\[j(?:ustify)?\](.+?)\[\/j(?:ustify)?\]/ig, '<span class="justify">$1</span>'); // [j]justify[/j]
	str = str.replace(/\%\%(.+?)\%\%/ig, '<span class="spoiler"><span>$1</span></span>').replace(/\[spoiler\](.+?)\[\/spoiler\]/ig, '<span class="spoiler"><span>$1</span></span>'); // %%spoiler%% or [spoiler]text[/spoiler]
	str = str.replace(/(<br\s*\/?>)((?:&gt;\s*(?:(?!<br\s*\/?>)[^])+(?:<br\s*\/?>)?)+)(<br\s*\/?>)/ig, '$1<span class="quote">$2</span>$3').replace(/(<span[\s\w="']+>|<br\s*\/?>)\s*&gt;\s*/ig, '$1').replace(/\[quote\]((?:(?!\[quote\])(?!\[\/quote\]).)+)\[\/quote\]/ig, '<span class="quote">$1</span>'); // > quote (multiline too) or [quote=name]quote here[/quote]
	while (/(<br\s*\/?>)((?:&gt;\s*(?:(?!<br\s*\/?>)[^])+(?:<br\s*\/?>)?)+)(<br\s*\/?>)/im.test(str)) str = str.replace(/(<br\s*\/?>)((?:&gt;\s*(?:(?!<br\s*\/?>)[^])+(?:<br\s*\/?>)?)+)(<br\s*\/?>)/ig, '$1<span class="quote">$2</span>$3').replace(/(<span[\s\w="']+>|<br\s*\/?>)\s*&gt;\s*/ig, '$1');
	while (/\[quote\]((?:(?!\[quote\])(?!\[\/quote\]).)+)\[\/quote\]/im.test(str)) str = str.replace(/\[quote\]((?:(?!\[quote\])(?!\[\/quote\]).)+)\[\/quote\]/ig, '<span class="quote">$1</span>');
	str = str.replace(/\`\`\`(.*?)\`\`\`/ig, '<pre class="multiline-code"><code>$1</code></pre>').replace(/\[code\](.+?)\[\/code\]/ig, '<pre class="multiline-code"><code>$1</code></pre>').replace(/(<(?:span class="quote"|code)>)<br\s*\/?>/ig, '$1'); // ```code``` or [code]code here[/code]
	str = str.replace(/\`(.*?)\`/ig, '<span class="code"><code>$1</code></span>'); // `code`
	str = str.replace(/%((?:(?!(?:\/.*)?[0-9A-F]{2})[^\r\n])+?)%(?![0-9A-F]{2})/g, '<span class="marked">$1</span>'); // %mark%
	str = str.replace(/(<br\s*\/?>\s*|<div[\w\s="'_]+>)#([^\r\n#]+?)(?:<br\s*\/?>|(<\/div>))/ig, '$1<h1 class="mdh1">$2</h1>$3').replace(/\[h1\](.+?)\[\/h1\]/ig, '<h1 class="mdh1">$1</h1>'); // # header 1 or [h1]header 1[/h1]
	str = str.replace(/(<br\s*\/?>\s*|<div[\w\s="'_]+>)#{2}([^\r\n#]+?)(?:<br\s*\/?>|(<\/div>))/ig, '$1<h2 class="mdh2">$2</h2>$3').replace(/\[h2\](.+?)\[\/h2\]/ig, '<h2 class="mdh2">$1</h2>'); // ## header 2 or [h2]header 2[/h2]
	str = str.replace(/(<br\s*\/?>\s*|<div[\w\s="'_]+>)#{3}([^\r\n#]+?)(?:<br\s*\/?>|(<\/div>))/ig, '$1<h3 class="mdh3">$2</h3>$3').replace(/\[h3\](.+?)\[\/h3\]/ig, '<h3 class="mdh3">$1</h3>'); // ### header 3 or [h3]header 3[/h3]
	str = str.replace(/(<br\s*\/?>\s*|<div[\w\s="'_]+>)#{4}([^\r\n#]+?)(?:<br\s*\/?>|(<\/div>))/ig, '$1<h4 class="mdh4">$2</h4>$3').replace(/\[h4\](.+?)\[\/h4\]/ig, '<h4 class="mdh4">$1</h4>'); // #### header 4 or [h4]header 4[/h4]
	str = str.replace(/(<br\s*\/?>\s*|<div[\w\s="'_]+>)#{5}([^\r\n#]+?)(?:<br\s*\/?>|(<\/div>))/ig, '$1<h5 class="mdh5">$2</h5>$3').replace(/\[h5\](.+?)\[\/h5\]/ig, '<h5 class="mdh5">$1</h5>'); // ##### header 5 or [h5]header 5[/h5]
	str = str.replace(/(<br\s*\/?>\s*|<div[\w\s="'_]+>)#{6}([^\r\n#]+?)(?:<br\s*\/?>|(<\/div>))/ig, '$1<h6 class="mdh6">$2</h6>$3').replace(/\[h6\](.+?)\[\/h6\]/ig, '<h6 class="mdh6">$1</h6>'); // ###### header 6 or [h6]header 6[/h6]
	str = str.replace(/!\[([\w\s]+?)\]\((?:<a.+?title=(?:"|')(.+?)(?:"|').+?|<a.+>(.+?)[^\.]<.+?)\)/ig, '<span style="text-align: center; color: blue; font-weight: bold; font-style: italic; display: block;">$1</span><br /><img class="embed" src="$2$3" alt="$1" />'); // ![Description](url_to_image.png)
	str = str.replace(/([^!])\[([\w\s\\/#?!^*()]+?)\]\((?:<a[\w\s]+(?:title|href)=(?:"|')(?:\/feed\?[\w&=;]+q=)?((?:(?!<\/a>)[^"'\[\]<>])+)(?:"|')(?:(?!<\/a>)[^\[\]])+<\/a>|((?:\/|\.|#|\w)[^()]*))\)/ig, '$1<a class="link" title="$2" href="$3$4" target="_blank">$2</a>').replace(/href="%23([\w\-]+)?"(?: target="_blank")?/ig, 'href="javascript:;" onclick="document.getElementById(\'$1\').scrollIntoView(); window.history.pushState(\'undefined\', \'Title\', \'#$1\');"'); // [Description](url) //.replace(/href="%23([\w\-]*)"(?: target="_blank")?/ig, 'href="#$1" target="_self" onclick="location.hash = \'#$1\'"');
	str = str.replace(/<br\s*\/?>\s*((?:- \[(?:x| )\](?:(?!<br\s*\/?>[^-])[^])+)+)<br\s*\/?>/ig, '<div class="tasks"><br>$1</label></div>').replace(/<br\s*\/?>\s*(?:- \[(x| )\])/ig, '</label><label><input type="checkbox" name="tasks" disabled$1/>').replace(/(<input[\w ="']+)x\/>/ig, '$1 checked />').replace(/<div class="tasks"><\/label>/ig, '<div class="tasks">'); // - [x] Task compleated or - [ ] Task incompleated list
	str = str.replace(/<br\s*\/?>([\w\s.,;:\-_+=!@~`%^&()\\|]+)<br\s*\/?>[\-—\s|]+<br\s*\/?>((?:(?:<br\s*\/?>)?[\w\s.,;:\-_+=!@~`%^&()\\]+(?:\|[\w\s.,;:\-_+=!@~`%^&()\\]+)+)+)<br\s*\/?>/ig, '<table class="mdtable"><thead><tr><th>$1</thead><tbody><tr><td>$2</tbody></table>').replace(/(<thead><tr>[^|]+?)(?:\s*\|\s*)((?:(?!<\/table>)[^])+?<\/thead>)/ig, '$1<th>$2').replace(/(<tbody><tr><td>[^|]+?)(?:\s*\|\s*)((?:(?!<\/table>)[^])+?<\/tbody>)/ig, '$1<td>$2').replace(/(<tbody>(?:(?!<\/table>)[^])+?)(?:\s*<br\s*\/?>\s*)((?:(?!<\/table>)[^])+?<\/tbody>)/ig, '$1<tr><td>$2'); //table: Write headers, separate by |, when after header write some ---, | as separator and --- again for fill, when other new lines separated by | will be choosed as cells. Ex.: Github table
	while (/(<thead><tr>[^|]+?)(?:\s*\|\s*)((?:(?!<\/table>)[^])+?<\/thead>)/im.test(str)) str = str.replace(/(<thead><tr>[^|]+?)(?:\s*\|\s*)((?:(?!<\/table>)[^])+?<\/thead>)/ig, '$1<th>$2');
	while (/(<tbody><tr><td>[^|]+?)(?:\s*\|\s*)((?:(?!<\/table>)[^])+?<\/tbody>)/im.test(str)) str = str.replace(/(<tbody><tr><td>[^|]+?)(?:\s*\|\s*)((?:(?!<\/table>)[^])+?<\/tbody>)/ig, '$1<td>$2');
	while (/(<tbody>(?:(?!<\/table>)[^])+?)(?:\s*<br\s*\/?>\s*)((?:(?!<\/table>)[^])+?<\/tbody>)/im.test(str)) str = str.replace(/(<tbody>(?:(?!<\/table>)[^])+?)(?:\s*<br\s*\/?>\s*)((?:(?!<\/table>)[^])+?<\/tbody>)/ig, '$1<tr><td>$2');
	// <iframe width="640" height="360" src="https://www.youtube.com/embed/00000000000?rel=0" frameborder="0" allowfullscreen></iframe>
	str = str.replace(/\[y(?:ou)?t(?:ube)?\](?:([\w.:\/?=&\/]+)|<a[\w\s.,:;\/?=&%"'>]+https?:\/\/(?:www.)?youtu\.?be(?:.com)?\/(?:watch[\w?&=]*[?&]v=)?(\w+)(?:&\w*)?)\[\/y(?:ou)?t(?:ube)?(?:<\/a>)?\](?:<\/a>)?/ig, '<iframe class="ytv" width="500" height="280" src="https://www.youtube.com/embed/$1$2?rel=0" frameborder="0" allowfullscreen></iframe>'); // [yt]video link[/yt]
	str = str.replace(/@(\w+)/ig, '<a href="/$1" class="mem_link" mention="" mention_id="$1" onclick="return mentionClick(this, event)" onmouseover="mentionOver(this)">$1</a>'); //@mention // https://api.vk.com/method/users.get?user_ids=_____&v=5.53  &callback=callbackFunc
	str = str.replace(/\[font="?([\w\s]+)"?\]([^]+?)\[\/font\]/ig, '<span class="customfont" style=\'font-family: "$1";\'>$2</span>'); // [font=Arial]text[/font], also may be [font="Lucide Consoles"]text[/font]
	str = str.replace(/\[color="?([\w\s#()]+)"?\]([^]+?)\[\/color\]/ig, '<span class="customcolor" style=\'color: $1;\'>$2</span>'); // same, but [color]-code
	str = str.replace(/\[size="?([\w]+)"?\]([^]+?)\[\/size\]/ig, '<span class="customsize" style=\'font-size: $1;\'>$2</span>'); // same, but [size]-code
	str = str.replace(/\[(?:glow|shadow)="?([\w\s]+)[, ]?([\w\s]+)[, ]?([\w\s]+)[, ]?([\w\s]+)"?\]([^]+?)\[\/(?:glow|shadow)\]/ig, '<span class="shadow" style=\'text-shadow: $1px $2px $3px $4;\'>$5</span>'); // [glow=2,30,4,red]text[/glow] or [shadow=12,34,4,red]text[/shadow]
	str = str.replace(/\[(raw|html)\]((?:(?!\[raw\])(?!\[html\])(?!\[\/raw\])(?!\[\/html\])[^])+)\[\/\1\]/ig, '$2');
	str = str.replace(/(?:\\r)?\\n/g, '<br />'); // \n or \r\n replace to newline char
	//console.timeEnd("Regex work");
	return str;
}

function apply_md() {
	let skip = false;
	for (let i = 0; i < md_el.length; i++) {
		skip = false;
		for (let j = 0; j < used.length; j++) {
			if (md_el[i] == used[j]) {
				skip = true;
			}
		}
		if (!skip) {
			md_el[i].innerHTML = repl(md_el[i].innerHTML);
			used = used.concat(md_el[i]);
		}
	}
}

function upd_md_el() {
	//console.time("Update time");
	md_el = Array.prototype.slice.call(document.getElementsByClassName('wall_post_text'), 0).concat(Array.prototype.slice.call(document.getElementsByClassName('wall_reply_text'), 0)).concat(Array.prototype.slice.call(document.getElementsByClassName('im_msg_text'), 0)).concat(Array.prototype.slice.call(document.getElementsByClassName('fc_msg'), 0)).concat(Array.prototype.slice.call(document.getElementsByClassName('nim-dialog--preview'), 0));
	apply_md();
	//console.timeEnd("Update time");
}

var md_el = [], used = [];
var html_doc = document.getElementsByTagName('head').item(0);
var css = document.createElement('style');
css.setAttribute('type', 'text/css');
css.innerHTML = '/*.bold { font-weight: bold; } .italic { font-style: italic; }*/ .strikeout { text-decoration: line-through; } .underline { text-decoration: underline; } .overline { text-decoration: overline; } .sub { vertical-align: sub; font-size: 12px; } .sup { vertical-align: super; font-size: 12px; } .anchor { position: relative; bottom: 42px; } .centering { display: block; text-align: center; } .centering table { margin: 0 auto; text-align: left; } .right { display: block; text-align: right; }  .justify { display: block; text-align: justify; } .spoiler { background: rgba(0, 0, 0, 1); color: rgba(255, 255, 255, 0); padding: 0 4px; transform: skewX(-10deg); display: inline-block; margin: 1px; left: 4px; position: relative; border: 1px dashed rgba(0, 0, 0, 0); transition: color 0.3s ease, background 1s ease; } .spoiler > span { display: block; transform: skewX(10deg); } .spoiler:hover { border: 1px dashed rgba(0, 0, 0, 1); color: rgba(128, 128, 128, 1); background: rgba(0, 0, 0, 0); } .spoiler input, .spoiler a { opacity: 0; transition: opacity 1s ease; } .spoiler:hover input, .spoiler:hover a { opacity: 1; } .quote { display: block; background-color: #f8f8f8; border: 1px solid #ddd; padding: 6px 10px; margin: 3px 3px; border-radius: 3px; overflow-x: hidden; overflow-y: auto; max-height: 310px; } .code { border: 1px solid #ddd; border-radius: 2px; font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; padding: 1px 4px; margin: 0 2px; } .multiline-code { width: calc(95% + 5px); overflow-x: hidden; overflow-y: auto; font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; border: 0px solid rgba(221, 221, 221, 0); border-radius: 5px; padding: 1px 5px; margin: 2px auto; background: linear-gradient(0deg, rgba(221, 221, 221, 1) 0px, rgba(221, 221, 221, 1) 1px, rgba(0, 0, 0, 0) 1px), linear-gradient(90deg, rgba(221, 221, 221, 1) 0px, rgba(221, 221, 221, 1) 1px, rgba(0, 0, 0, 0) 1px), linear-gradient(180deg, rgba(221, 221, 221, 1) 0px, rgba(221, 221, 221, 1) 1px, rgba(0, 0, 0, 0) 1px), linear-gradient(270deg, rgba(221, 221, 221, 1) 0px, rgba(221, 221, 221, 1) 1px, rgba(0, 0, 0, 0) 1px), linear-gradient(90deg, rgba(255, 255, 255, 0) 0px, rgba(255, 255, 255, 0) 3px, rgba(248, 248, 248, 0.99) 3px, rgba(248, 248, 248, 0.99) 100%), repeating-linear-gradient(135deg, rgba(0, 0, 0, 1) 0px, rgba(0, 0, 0, 1) 3px, rgba(255, 255, 255, 0) 3px, rgba(255, 255, 255, 0) 5px); max-height: 310px; text-overflow: ellipsis; white-space: pre-wrap; word-wrap: break-word; } .multiline-code > code { white-space: pre-wrap; word-wrap: break-word; } .marked { background: #FFFF00; padding: 1px; } .marked:hover { font-weight: bold; } .mdh1 { font-size: 26px; } .mdh2 { font-size: 20px; } .mdh3 { font-size: 15px; } .mdh4 { font-size: 13px; } .mdh5 { font-size: 11px; } .mdh6 { font-size: 8.7px; } .embed { max-height: 400px; max-width: 100%; margin-left: 6px; margin-right: 6px; } .embed:hover { box-shadow: 0 0 6px rgba(0,0,0,0.5); } .tasks { display: block; } .tasks > label { display: block; } .tasks > label > input { vertical-align: middle; } .mdtable { box-shadow: 0 1px 0 0 #d7d8db, 0 0 0 1px #e3e4e8; margin: 2px; border-collapse: collapse; } .mdtable > thead > tr > th, .mdtable > tbody > tr > td { border: 1px solid #d7d8db; padding: 2px; word-break: break-all; word-wrap: break-word; } .mdtable > thead > tr > th { background-color: #edeef0; text-align: center; } .mdtable > tbody > tr > td { text-align: justify; } .wall_reply_text > .ytv { width: 440px; height: 250px; } .fc_msg > .ytv { width: 200px; height: 112px; } .nim-dialog--preview > .ytv { display: none; } .quote > .ytv { width: 100%; } ';
html_doc.appendChild(css);
setInterval(upd_md_el, 1000);