phpdoc: use cheerio instead of jquery, to support non-GUI environments

Author: cmckendry

src/scripts/phpdoc.coffee

@@ -2,40 +2,31 @@
 #   PHP's functions reference.
 #
 # Dependencies:
-#   "jsdom": ""
-#   "jquery": ""
+#   "cheerio": ""
 #
 # Configuration:
 #   None
 #
 # Commands:
 #   hubot phpdoc for <function> - Shows PHP function information.
 #
-# Author:
+# Authors:
 #   nebiros
-
-jsdom = require("jsdom").jsdom
+#   Carter McKendry
 
 module.exports = (robot) ->
   robot.respond /phpdoc for (.+)$/i, (msg) ->
     msg
       .http("http://www.php.net/manual/en/function." + msg.match[1].replace(/[_-]+/, "-") + ".php")
       .get() (err, res, body) ->
-        window = (jsdom body, null,
-          features:
-            FetchExternalResources: false
-            ProcessExternalResources: false
-            MutationEvents: false
-            QuerySelector: false
-        ).createWindow()
 
-        $ = require("jquery").create(window)
-        ver = $.trim $(".refnamediv p.verinfo").text()
-        desc = $.trim $(".refnamediv span.dc-title").text()
-        syn = $.trim $(".methodsynopsis").text().replace(/\s+/g, " ").replace(/(\r\n|\n|\r)/gm, " ")
+        $ = require("cheerio").load(body)
+        ver = $(".refnamediv p.verinfo").text()
+        desc = $(".refnamediv span.dc-title").text()
+        syn = $(".methodsynopsis").text().replace(/\s+/g, " ").replace(/(\r\n|\n|\r)/gm, " ")
 
         if ver and desc and syn
           msg.send "#{ver} - #{desc}"
           msg.send syn
         else
-          msg.send "Not found."
+          msg.send "Not found."