Introduce filtered transclusion syntax

core/modules/parsers/wikiparser/rules/filteredtranscludeblock.js

@@ -0,0 +1,65 @@
+/*\
+title: $:/core/modules/parsers/wikiparser/rules/filteredtranscludeblock.js
+type: application/javascript
+module-type: wikirule
+
+Wiki text rule for block-level filtered transclusion. For example:
+
+```
+{{{ [tag[docs]] }}}
+{{{ [tag[docs]] |tooltip}}}
+{{{ [tag[docs]] ||TemplateTitle}}}
+{{{ [tag[docs]] |tooltip||TemplateTitle}}}
+{{{ [tag[docs]] }}width:40;height:50;}.class.class
+```
+
+\*/
+(function(){
+
+/*jslint node: true, browser: true */
+/*global $tw: false */
+"use strict";
+
+exports.name = "filteredtransclude";
+exports.types = {block: true};
+
+exports.init = function(parser) {
+	this.parser = parser;
+	// Regexp to match
+	this.matchRegExp = /\{\{\{([^\{\}\|]+)(?:\|([^\|\{\}]+))?(?:\|\|([^\|\{\}]+))?\}\}([^\}]*)\}(?:\.(\S+))?(?:\r?\n|$)/mg;
+};
+
+exports.parse = function() {
+	// Move past the match
+	this.parser.pos = this.matchRegExp.lastIndex;
+	// Get the match details
+	var filter = this.match[1],
+		tooltip = this.match[2],
+		template = this.match[3],
+		style = this.match[4],
+		classes = this.match[5];
+	// Return the list widget
+	var node = {
+		type: "widget",
+		tag: "list",
+		attributes: {
+			filter: {type: "string", value: filter}
+		},
+		isBlock: true
+	};
+	if(tooltip) {
+		node.attributes.tooltip = {type: "string", value: tooltip};
+	}
+	if(template) {
+		node.attributes.template = {type: "string", value: template};
+	}
+	if(style) {
+		node.attributes.style = {type: "string", value: style};
+	}
+	if(classes) {
+		node.attributes["itemClass"] = {type: "string", value: classes.split(".").join(" ")};
+	}
+	return [node];
+};
+
+})();