Abstractview implementation

gistfile1.rb

module ViewMixin
 
  def view_has?(key)
     false
  end
  
  def view_section(key, contents)
    # use #view_fetch to render section
  end
  
  # partial method, ...
    
end

class Hash

  include ViewMixin

  alias view_has? has_key?

  alias view_fetch []

end

module ViewObject

  include ViewMixin

  alias view_has? respond_to?

  def view_fetch(key)
    meth = method(key)
    if meth.arity.size==1
      return meth.to_proc
    else
      return meth[]
    end
  end

end

#An example : 

module MyHighLighterHelper

  extend ViewMixin

  def self.view_has?(language)
    MyHighLighter.highlight?(language)
  end

  def self.view_fetch(language)
    lambda { |text|
      MyHighLighter.render(text, language)
    }
  end

end

myview = Object.new
myview.extend(ViewObject)
def myview.hl
  MyHighLighterHelper
end

tpl = <<-END
  {{#hl.ruby}}
    #some ruby code
  {{/hl.ruby}}
END
Mustache.render(tpl, myview)