Markdown and BB-codes for vk.com

Enable ability mark text in VK.

您需要先安装一个扩展,例如 篡改猴Greasemonkey暴力猴,之后才能安装此脚本。

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

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴Userscripts ,之后才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey,才能安装此脚本。

您需要先安装用户脚本管理器扩展后才能安装此脚本。

(我已经安装了用户脚本管理器,让我安装!)

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

(我已经安装了用户样式管理器,让我安装!)

// ==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);