Simple mustache support for the cuba microframework (cuba.is)

app.rb

require 'cuba'
require 'mustache'

require 'mustache_on_cuba'

Cuba.use Rack::Session::Cookie
Cuba.plugin MustacheOnCuba

Cuba.settings[:mustache] = {
  views: File.join(File.dirname(__FILE__), "views"),
  templates: File.join(File.dirname(__FILE__), "templates")
}

Cuba.define do
  on get do
    on root do
      @title = "Simple"
      res.write mustache :index
    end
  end
end

mustache_on_cuba.rb

module MustacheOnCuba
  def mustache(template, options={}, locals={})
    locals.update(options.delete(:locals) || {})

    options.update(settings[:mustache]) if settings.has_key? :mustache

    klass = template if template.is_a?(Class) && template < Mustache

    unless klass
      factory = Class.new(Mustache) do
        self.view_path = options[:views]
      end

      klass = factory.view_class(template)
      klass.template_path = options[:templates]
    end

    klass.template_name = template.to_s
    instance = klass.new

    instance_variables.each do |name|
      instance.instance_variable_set(name, instance_variable_get(name))
    end

    instance.render(locals)
  end
end