☰

BBCode in Text

Adds BBCode support to an antique forum.

  1. // ==UserScript==
  2. // @name           BBCode in Text
  3. // @namespace      http://mailerdaemon.home.comcast.net/
  4. // @include        http://forums.secondlife.com/*
  5. // @version        0.2
  6. // @description    Adds BBCode support to an antique forum.
  7. // ==/UserScript==
  8.  
  9. //configures how urls are displayed.
  10. const ERRORS = false;
  11. const url_start = 40;
  12. const url_end = 25;
  13. const url_len = url_start + url_end;
  14.  
  15. GM_addStyle = function(css){
  16.     style = document.createElement("style");
  17.     style.type = "text/css";
  18.     style.innerHTML = css;
  19. 	document.getElementsByTagName('head')[0].appendChild(style);
  20. };
  21. //GM_log = function(text){};
  22.  
  23. GM_addStyle(".GMCode {border: 1px inset ; margin: 0px; padding: 6px; overflow: auto; width: auto; height: auto; text-align: left; font-family:monospace; } .GMCode br {display:none;}")
  24.  
  25. const chars = String.fromCharCode(38, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 248, 249, 250, 251, 252, 253, 254, 255, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 216, 217, 218, 219, 220, 221, 222, 8364, 34, 223, 60, 62, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 8364, 8226, 160, 161);
  26. const entities = new Array ('amp','agrave','aacute','acirc','atilde','auml','aring',
  27. 						'aelig','ccedil','egrave','eacute','ecirc','euml','igrave',
  28. 						'iacute','icirc','iuml','eth','ntilde','ograve','oacute',
  29. 						'ocirc','otilde','ouml','oslash','ugrave','uacute','ucirc',
  30. 						'uuml','yacute','thorn','yuml','Agrave','Aacute','Acirc',
  31. 						'Atilde','Auml','Aring','AElig','Ccedil','Egrave','Eacute',
  32. 						'Ecirc','Euml','Igrave','Iacute','Icirc','Iuml','ETH','Ntilde',
  33. 						'Ograve','Oacute','Ocirc','Otilde','Ouml','Oslash','Ugrave',
  34. 						'Uacute','Ucirc','Uuml','Yacute','THORN','euro','quot','szlig',
  35. 						'lt','gt','cent','pound','curren','yen','brvbar','sect','uml',
  36. 						'copy','ordf','laquo','not','shy','reg','macr','deg','plusmn',
  37. 						'sup2','sup3','acute','micro','para','middot','cedil','sup1',
  38. 						'ordm','raquo','frac14','frac12','frac34',
  39. 						'euro','bull','nbsp','iexcl');
  40.  
  41. if(!String.prototype.trim) String.prototype.trim = function() { return this.replace(/^\s*/,'').replace(/\s*$/, ''); }
  42. if(!String.prototype.htmlUnescape) String.prototype.htmlUnescape = function(){
  43. 	var r = /&(#[0-9]*|[A-Za-z0-9]*);/;
  44. 	var i = this;
  45. 	var o = ""
  46. 	var p;
  47. 	do
  48. 	{
  49. 		if(!(p = r.exec(i)))
  50. 			return o + i;
  51. 		if(p.index > 0)
  52. 			o += i.slice(0, p.index);
  53. 		i = i.slice(p.index + p[0].length);
  54. 		if(p[1].charAt(0) == '#')
  55. 			o += String.fromCharCode(p[1].slice(1))
  56. 		else
  57. 		{
  58. 			var w = entities.indexOf(p[1]);
  59. 			o += (w != -1)?chars[w]:("&"+p[1]+";");
  60. 		}
  61. 	}while(1);
  62. }
  63. if(!String.prototype.htmlEscape) String.prototype.htmlEscape = function(){
  64. 	var i = this;
  65. 	for(var k = 0;k < chars.length; k++)
  66. 		i = i.replace(new RegExp(chars[k], "g"), "&"+entities[k]+";");
  67. 	return i;
  68. }
  69. if(!Array.prototype.insert) Array.prototype.insert = function( i, v ) {
  70. 	var b = this.splice( i );
  71. 	this.push(v);
  72. 	return this.concat( b );
  73. };
  74.  
  75. var count = 0;
  76. var base = document.URL;
  77. count = base.indexOf("?");
  78. if(count >= 0) base = base.substring(0, count);
  79. base = base.substring(0, base.lastIndexOf("/")+1);
  80. var pattern = /(?:\[(?:[\/\\]?)(url|email|thread|post|indent|code|php|font|size|color|b|u|i|right|left|center|highlight|list|img|[*])(?:|=[^\]]*)\]|((?:https?|mms|rstp|secondlife|ftp|mailto):[^\s\[]*)|((?:[a-z0-9.\-]{3,}\.(?:com|net|org|co\.uk)|(?:(?:0x[0-9a-f]{1,8}|[0-9]{1,3})\.){3}(?:0x[0-9a-f]{1,8}|[0-9]{1,3}))(?:(?:\:[0-9]+|)\/[^\s\[]*|(?=[^0-9a-z\-.]|$))))/im;
  81. var split_pattern = /\[([\/\\]?)([^=\]]*?)(?:\s*=\s*"?([^\]"]*)"?\s*|)\]/im;
  82. count = 0;
  83. var calls = 100000;//stops a race condition that doesn't happen anymore.
  84.  
  85. start();
  86.  
  87. function start()
  88. {
  89. 	var i, j, divs;
  90. 	var xpath = "//td[@class='thead']/../../tr[2]/td[position()=2 and @class='alt1']"+"|"+//thread
  91. 						"//tr[contains(td, 'Preview')]/td[@class='tcat']/../../tr[2]"+"|"+//edit - preview
  92. 						"//td[@class='thead']/../../tr/td[position()=2 and @class='alt2']/..";//topic review
  93. 	var res = document.evaluate(xpath, document, null,	XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null); 
  94. 	for (i = 0; divs = res.snapshotItem(i); ++i) {
  95. 		var t = divs.childNodes.length;
  96. //		GM_log(divs.nodeName + "\nChild Count = " + t+ "\n"+divs.innerHTML);
  97. 		for (t=0; t<divs.childNodes.length; t++){
  98. 			parse(divs.childNodes[t]);
  99. 		}
  100. 	}
  101. 	if(i > 0 || count > 0)
  102. 	{
  103. //		GM_log(document.URL.concat("\nHad "+count+" broken tag"+((count != 1)?"s":"") + " in "+i +" messages. (debug = " + calls + " )"));
  104. //		GM_log(calls);
  105. 	}
  106. }
  107.  
  108. function parse(element, only, nourl)
  109. {
  110. 	var table = new Array(0);
  111. 	var urls = new Array(0);
  112. 	var badurls = new Array(0);
  113. 	var t = element.firstChild;
  114. 	for (;t != null; t = t.nextSibling){
  115. 		if(--calls < 0)
  116. 			return;
  117. //		GM_log("nodeName = "+t.nodeName+"\nnodeType = "+t.nodeType );
  118. 		if(t.nodeType == 3)
  119. 		{
  120. 			var nodes = pattern;
  121. 			var p = pattern.exec(t.nodeValue);
  122. 			if(p != null)
  123. 			{
  124. //				GM_log(p.length+"\n"+p[0]+"\n"+p[1]+"\n"+p[2]+"\n"+p[3]);
  125. //				if(p[1] != null || p[2] != null || p[3] != null)
  126. 				{
  127. 					var m=document.createTextNode(p[0]);
  128. 					var n=document.createTextNode(t.nodeValue.substring(p.index + p[0].length));
  129. 					t.nodeValue = t.nodeValue.substring(0,p.index);
  130. 					insertAfter(m, t);
  131. 					insertAfter(n, m);
  132. 					++count;
  133. 				}
  134. 				if(p[1] != null)
  135. 					table.push(m);
  136. 				else if(p[2] != null && !nourl)
  137. 					urls.push(m);
  138. 				else if(p[3] != null && !nourl)
  139. 					badurls.push(m);
  140. 				t = t.nextSibling;
  141. 			}
  142. 		}
  143. 		else if(t.nodeType == 1)
  144. 		{
  145. 			if(t.nodeName != "TEXTAREA" && t.nodeName != "INPUT" && t.nodeName != "PRE")
  146. 				parse(t, only, nourl);
  147. 		}
  148. //		else
  149. //			GM_log("nodeName = "+t.nodeName+"\nnodeType = "+t.nodeType );
  150. 	}
  151. //	if(element.innerHTML)
  152. //		GM_log("Count = "+table.length+"\n"+table+"\n" + element.innerHTML);
  153. 	if(table.length > 0)
  154. 		tag(table, only);
  155. 	var i;
  156. 	for(i = 0; i < urls.length; i++)
  157. 	{
  158. 		var t = urls[i];
  159. 		var v = t;
  160. 		while(v = v.parentNode)
  161. 		{
  162. 			if(v.nodeName == "A" || v.nodeName == "PRE")//keep it honest
  163. 				break;
  164. 		}
  165. 		if(v == null && t.parentNode)
  166. 		{
  167. //			GM_log(t.nodeValue);
  168. 			var m=document.createElement("A");
  169. 			m.href = (m.innerHTML = t.nodeValue).htmlUnescape();
  170. 			if(m.innerHTML.length > url_len)
  171. 				m.innerHTML = m.innerHTML.slice(0,url_start)+"..."+m.innerHTML.slice(m.innerHTML.length-url_end);
  172. 			t.parentNode.replaceChild(m, t);
  173. 		}
  174. 	}
  175. 	for(i = 0; i < badurls.length; i++)
  176. 	{
  177. 		var t = badurls[i];
  178. 		var v = t;
  179. 		while(v = v.parentNode)
  180. 		{
  181. 			if(v.nodeName == "A" || v.nodeName == "PRE")//keep it honest
  182. 				break;
  183. 		}
  184. 		if(v == null && t.parentNode)
  185. 		{
  186. //			GM_log(t.nodeValue);
  187. 			var m=document.createElement("A");
  188. 			m.href = "http://"+(m.innerHTML = t.nodeValue).htmlUnescape();
  189. 			if(m.innerHTML.length > url_len)
  190. 				m.innerHTML = m.innerHTML.slice(0,url_start)+"..."+m.innerHTML.slice(m.innerHTML.length-url_end);
  191. 			t.parentNode.replaceChild(m, t);
  192. 		}
  193. 	}
  194. 	badurls = urls = table = null;
  195. }
  196.  
  197. /*
  198. function juggle(table)
  199. {
  200. 	var t;
  201. 	var map = new Object();
  202. 	for (t=0; t<table.length; t++){
  203. 		var type = split_pattern.exec(table[t].nodeValue);
  204. 		if(type[1] == "")
  205. 		{
  206. 			if(map[type[2].toLowerCase()])
  207. 				++map[type[2].toLowerCase()];
  208. 			else
  209. 				map[type[2].toLowerCase()] = 1;
  210. 		}
  211. 		else
  212. 		{
  213. 			if(map[type[2].toLowerCase()])
  214. 				--map[type[2].toLowerCase()];
  215. 			else
  216. 				map[type[2].toLowerCase()] = -1;
  217. 		}
  218. 	}
  219. 	map = null;
  220. 	return table;
  221. }
  222. */
  223. function log(table, sep, msg_a, msg_b)
  224. {
  225. 	var kw = "";
  226. 	Array.forEach(table, function(item) {if(kw !="") kw +=sep;kw += item.nodeValue;});
  227. //	GM_log(msg_a+kw+msg_b);
  228. }
  229.  
  230. function oc(a)
  231. {
  232. 	if(a && a.length)
  233. 	{
  234. 		var o = {};
  235. 		for(var i=0;i<a.length;i++)
  236. 		{
  237. 			o[a[i]]='';
  238. 		}
  239. 		return o;
  240. 	}
  241. 	return null;
  242. }
  243.  
  244. function tag(table, only)
  245. {
  246. //	log(table, "\n", "tags = [\n","\n]");
  247. 	var t;
  248. 	var z = oc(only);
  249. 	for (t=0; t<table.length; t++){
  250. 		if(--calls < 0)
  251. 			return;
  252. 		var type = split_pattern.exec(table[t].nodeValue);
  253. 		if(type)//make sure it is infact a valid tag.
  254. 		{
  255. 			if(type[1] == "")
  256. 			{
  257. 				var c = 1;
  258. 				var m = t;
  259. 				var r = type[2].toLowerCase();
  260. 				var dtype;
  261. 				var k = table.length - 1;
  262. 				if(z && !(r in z));//silently ignore missing tags
  263. 				else if(r == "*")
  264. 				{
  265. 					while(t < k && c != 0)
  266. 					{
  267. 						if(--calls < 0)
  268. 							return;
  269. 						dtype = split_pattern.exec(table[++t].nodeValue);
  270. 						if(dtype)
  271. 						{
  272. 							var dt = dtype[2].toLowerCase();
  273. 							if(dt == "list")
  274. 							{
  275. 								if(dtype[1] == "")
  276. 									c++;
  277. 								else
  278. 									c--;
  279. 							}
  280. 							else if(dt == "*" && c == 1)
  281. 								c = 0;
  282. 						}
  283. 					}
  284. 					if(c > 0)
  285. 						t++;
  286. 				}
  287. 				else
  288. 				{
  289. 					while(t < k && c != 0)
  290. 					{
  291. 						if(--calls < 0)
  292. 							return;
  293. 						dtype = split_pattern.exec(table[++t].nodeValue);
  294. 						if(dtype)
  295. 						{
  296. 							if(dtype[2].toLowerCase() == r)
  297. 							{
  298. 								if(dtype[1] == "")
  299. 									c++;
  300. 								else
  301. 									c--;
  302. 							}
  303. 						}
  304. 					}
  305. 					if(c > 0 && (r == "url" || r =="img") && type[3] && type[3] != "")
  306. 					{//some idiot didn't close thier URL/IMG tag, *rolls eyes*
  307. //						log(table, ", ", "before: " + table.length+"\n")
  308. 						table.splice(t = m+1, 0, insertAfter(document.createTextNode("[/"+r+"]"), table[m]));
  309. //						log(table, ", ", "after: " + table.length+"\n")
  310. 						insertAfter(document.createTextNode(type[3]), table[m]);
  311. 						k+=1;//adjust the end...
  312. 						type[3]="";//makes it work harder
  313. 						c = 0;
  314. 					}
  315. 				}
  316. 				
  317. 	//			if(table.length > t)
  318. 	//				GM_log("( "+(t - m)+", " + c + " ) = " + type[0] +" && " + split_pattern.exec(table[t].nodeValue)[0]);
  319. 	//			else
  320. 	//				GM_log("( "+(t - m)+", " + c + " ) = " + type[0] +" && last");
  321. 				if(c == 0 || r == "*")
  322. 				{
  323. 					var nodes = new Array(0);
  324. 					var p = null;
  325. 					var q = null;
  326. 					if(r == "url" || r == "thread" || r == "post" || r =="email")
  327. 					{
  328. 						p = document.createElement("a");
  329. 						var d = "";
  330. 						if(type[3] != null)
  331. 							d = type[3].replace(/  /g,"").htmlUnescape();
  332. 						if(r == "thread")
  333. 							p.href = (base + "showthread.php?t=" + d);
  334. 						else if(r == "post")
  335. 							p.href = (base + "showthread.php?p=" + d);
  336. 						else if(d != "")
  337. 						{
  338. 							if(r == "email")
  339. 								p.href = (d.trim().toLowerCase().indexOf("mailto:") != 0)?"mailto:"+d:d;
  340. 							else if(r == "url")
  341. 							{
  342. 								var d1 = d.trim();
  343. 								var d3 = d1.indexOf("/");
  344. 								var d4 = d1.indexOf(":");
  345. 								var d5 = d1.indexOf("?");
  346. 								if(d4 == -1 || (d4 > d3 && d3 != -1))
  347. 								{
  348. 									if(d5 == -1 || d3 != -1)
  349. 										p.href = "http://"+d;
  350. 									else
  351. 										p.href = base + d;
  352. 								}
  353. 								else
  354. 									p.href = d;
  355. 							}
  356. 						}
  357. 					}
  358. 					else if(r == "color" ||  r == "size" || r == "font")
  359. 					{
  360. 						p = document.createElement("font");
  361. 						if(r == "color")
  362. 							p.color = type[3];
  363. 						else if(r == "size")
  364. 							p.size = type[3];
  365. 						else if(r == "font")
  366. 							p.face = type[3];
  367. 					}
  368. 					else if(r == "right" || r == "left" || r == "center")
  369. 					{
  370. 						p = document.createElement("div");
  371. 						if(r == "right")
  372. 							p.align = "right";
  373. 						else if(r == "left")
  374. 							p.align = "left";
  375. 						else if(r == "center")
  376. 							p.align = "center";
  377. 					}
  378. 					else if(r == "u" || r == "b" ||  r == "i")
  379. 					{
  380. 						p = document.createElement(r);
  381. 					}
  382. 					else if(r == "highlight")
  383. 					{
  384. 						p = document.createElement("span");
  385. 						p.className = "highlight";
  386. 					}
  387. 					else if(r == "indent")
  388. 					{
  389. 						p = document.createElement("blockquote");
  390. 						q = document.createElement("div");
  391. 						p.appendChild(q);
  392. 					}
  393. 					else if(r == "code" || r == "php")
  394. 					{
  395. 						p = document.createElement("div");
  396. 						p.style.margin="5px 20px 20px";
  397. 						q = document.createElement("div");
  398. 						q.className = "smallfont";
  399. 						q.style.marginBottom="2px";
  400. 						q.appendChild(document.createTextNode("Code:"));
  401. 						p.appendChild(q);
  402. 						q = document.createElement("pre");
  403. 						q.className = "alt2 GMCode";
  404. 						q.dir = "ltr";
  405. 						p.appendChild(q);
  406. 					}
  407. 					else if(r == "list")
  408. 					{//<ol type="1"><li>list item 1</li><li>list item 2</li></ol>
  409. 						if(type[3] != "" && type[3] != null)
  410. 						{
  411. 							p = document.createElement("ol");
  412. 							p.type=type[3];
  413. 						}
  414. 						else
  415. 						{
  416. 							p = document.createElement("ul");
  417. 						}
  418. 					}
  419. 					else if(r == "img")
  420. 					{
  421. 						p = document.createElement("img");
  422. 						q = document.createElement("span");
  423. 					}
  424. 					else if(r == "*")
  425. 					{
  426. 						p = document.createElement("li");
  427. 					}
  428. 					if(q == null)
  429. 						q = p;
  430. 					if(p != null)
  431. 					{
  432. 						var h = table[m];
  433. 						var w = h.parentNode;
  434. 						var n = h.nextSibling;
  435. 						var s = null;
  436. 						if(table.length > t)
  437. 							s = table[t];
  438. 						while(n != s && n != null)
  439. 						{
  440. 							y = n.nextSibling;
  441. 							child = w.removeChild(n);
  442. 							if(child.nodeName != "BR" || (r != "code" && r != "php"))
  443. 								q.appendChild(child);
  444. 							if(child.nodeName == "#text")
  445. 								child.nodeValue = child.nodeValue.replace(/([\S]{50,52})  /gm,"$1");
  446. 							n = y;
  447. 							if(--calls < 0)
  448. 								return;
  449. 						}
  450. 						if(s != null)
  451. 						{
  452. 							var rtype = split_pattern.exec(s.nodeValue);
  453. 							if(rtype[1] != "" && rtype[2].toLowerCase() == r /*/&& w/**/)//catch for lists ~_~
  454. 								w.removeChild(s);
  455. 						}
  456. 						if(r == "code" || r == "php")//keeps it from trying to parse code and php stuff.
  457. 						{
  458. 						//FIXME: make the replacement smarter, i'm too lazy.
  459. 							q.innerHTML = q.innerHTML.replace(/\t/g,"    ");
  460. 							//if(r != "code")//oddly enabling this test borks things, not exactly sure what causesit.
  461. 								m = t;//no internal parsing
  462. 							if(r == "code")//this is the wrong solutions but it works
  463. 								parse(q, ["i", "b", "u", "color", "highlight", "url", "thread", "post", "email"], true);
  464. 						}
  465. 						else if(r == "img")
  466. 						{
  467. 							if("" == (p.src = q.textContent.trim().htmlUnescape()))
  468. 								p = q;
  469. 							m = t;//no internal parsing
  470. 						}
  471. 						else if((r == "url" || r == "email" || r == "post" || r == "thread") && (type[3]=="" || type[3] == null))
  472. 						{
  473. 							s = q.textContent.trim().replace(/  /g,"").htmlUnescape();
  474. 							if(r == "email")
  475. 								q.href = (s.toLowerCase().indexOf("mailto:") != 0)?"mailto:"+s:s;
  476. 							else if(r == "url")
  477. 								q.href = ((s+"/:").indexOf(":") > s.indexOf("/"))?"http://"+s:s;
  478. 							else
  479. 								p.href += s;
  480. 							if(s.length > url_len)
  481. 								q.innerHTML = (s.slice(0,url_start)+"..."+s.slice(s.length-url_end)).htmlEscape();
  482. 							else
  483. 								q.innerHTML = q.textContent;//strip the html from it, it should be unformated.
  484. 							m = t;//no internal parsing
  485. 						}
  486. 						/*/if(w)/**/
  487. 							w.replaceChild(p,h);
  488. 					}
  489. 				}
  490. 				else //if(c > 0 && r != "*")
  491. 				{
  492. 					++t;
  493. 					if(ERRORS)
  494. 					{
  495. //						GM_log("tag error = " + type[0]);
  496. //						log(table, "\n", "tags = [\n","\n]");
  497. 					}
  498. 				}
  499. 				if(m+1 < t)
  500. 					tag(table.slice(m+1, t));
  501. 				if((r == "*" && c == 0))// || (c == 1 && r != "*"))
  502. 					--t;
  503. 			}
  504. 			else if(ERRORS)
  505. 			{
  506. //				GM_log("tag error = " + type[0]);
  507. //				log(table, "\n", "tags = [\n","\n]");
  508. 			}
  509. 		}
  510. 	}
  511. }
  512.  
  513. function insertAfter(insert, after)
  514. {
  515. 	return after.parentNode.insertBefore(insert, after.nextSibling);
  516. }