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Embed the Mozilla Rhino Javascript interpreter into Ruby
Ruby JavaScript

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README.rdoc

therubyrhino

DESCRIPTION:

Embed the Mozilla Rhino Javascript interpreter into Ruby

FEATURES/PROBLEMS:

  • Evaluate Javascript from with in Ruby

  • Embed your Ruby objects into the Javascript world

SYNOPSIS:

  1. Javascript goes into Ruby

  2. Ruby Objects goes into Javascript

  3. Our shark's in the Javascript!

include Rhino

# evaluate some simple javascript

Rhino::Context.open do |context|
  context.evaljs("7 * 6") #=> 42
end

# evaluate a ruby function from javascript

Rhino::Context.open do |context|
  scope = context.init_standard_objects
  scope["say"] = function {|word, times| word * times}
  context.evaljs("say("Hello", 3)") #=> HelloHelloHello
end

# Configure your embedding setup

Rhino::Context.open do |context|
  # Make your standard objects (Object, String, etc...) immutable
  scope = context.init_standard_objects(:sealed => true)
  context.evaljs("Object.prototype.toString = function() {}") # this is an error!

  #Turn on Java integration from javascript (probably a bad idea)
  scope = context.init_standard_objects(:java => true)
  context.evaljs("java.lang.System.exit()") #it's dangerous!
end

REQUIREMENTS:

  • JRuby >= 1.3.0

INSTALL:

  • jgem install therubyrhino

LICENSE:

(The MIT License)

Copyright © 2009 Charles Lowell

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the 'Software'), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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