@@ -17,18 +17,40 @@ Embed the Mozilla Rhino Javascript interpreter into Ruby 1. Ruby Objects goes into Javascript 1. Our shark's in the Javascript! + require 'rhino' + # evaluate some simple javascript - - Rhino::Context.open do |context| - context.eval("7 * 6") #=> 42 - end - + eval_js "7 * 6" #=> 42 + # evaluate a ruby function from javascript Rhino::Context.open do |context| context["say"] = lambda {|word, times| word * times} context.eval("say("Hello", 3)") #=> HelloHelloHello end + +# embed a ruby object into your javascript environment + + class MyMath + def plus(lhs, rhs) + lhs + rhs + end + end + + Rhino::Context.open do |context| + context["math"] = MyMath.new + context.eval("math.plus(20,22)") #=> 42 + end + +# make a ruby object *be* your javascript environment + math = MyMath.new + Rhino::Context.open(:with => math) do |context| + context.eval("plus(20,22)") #=> 42 + end + + #or the equivalent + + math.eval_js("plus(20,22)") # Configure your embedding setup README.rdoc 88707e09e2790f066b9b1be55d23973cddf09abd Charles Lowell cowboyd@thefrontside.net http://github.com/cowboyd/therubyrhino/commit/aa0a2a999b99aa4b087bd8029455e341f6319b3d aa0a2a999b99aa4b087bd8029455e341f6319b3d 2009-11-13T09:33:08-08:00 2009-11-13T09:33:08-08:00 README.rdoc 917d0bd0bffe112a43459be2bda6cfc712777786 Charles Lowell cowboyd@thefrontside.net