feat: Platform tags plugin added.

_plugins/platforms_tag.rb

@@ -0,0 +1,49 @@
+module Jekyll
+  class PlatformsTag < Liquid::Tag
+	
+    def initialize(tag_name, text, tokens)
+      super
+      @text = text
+    end
+
+    def render(context)
+		page = context.environments.first["page"]
+		folderNames = page["dir"].split('/')
+		
+		platformNames = context.registers[:site].config["platforms"].clone
+		pageSuiteNames = page["platforms"]
+		nonSlFolders = context.registers[:site].config["non-sl-folders"]
+		nonXamarinFolders = context.registers[:site].config["non-xamarin-folders"]
+		
+		result = String.new
+		
+		if (folderNames & ["libraries"]).any?
+			unless pageSuiteNames.nil?
+				splittedNames = pageSuiteNames.split(',')
+				platformNames = platformNames.select {|suite| splittedNames.any? {|name| suite.downcase.include?(name)}}
+			end
+			
+			if pageSuiteNames.nil?
+				if (folderNames & nonSlFolders).any?
+					platformNames.reject!{|suite| suite.downcase.include?("silverlight")}
+				end
+				
+				if (folderNames & nonXamarinFolders).any?
+					platformNames.reject!{|suite| suite.downcase.include?("xamarin")}
+				end
+			end
+		
+			platformNames.each_with_index do |suite, index|				
+				if index != 0
+					result += "<span class='separator'> | </span>"
+				end
+				result += "<span class='platform'>#{suite}</span>"
+			end
+			
+			"<div class='platforms'><div>#{@text} #{result}</div></div>"
+		end
+    end
+  end
+end
+
+Liquid::Template.register_tag('platforms', Jekyll::PlatformsTag)