Class for rendering ERB templates using "local variable style" in templates

template.rb

require "erb"

class Template
  def initialize(template)
    @__template = ::ERB.new(template, nil, "-")
  end

  def render(__vars = {})
    __b = binding
    __names = []
    __vars.each do |k, v|
      __names << k.to_s.gsub(/[^\w]+/, "_")
      # Only >= 2.1
      __b.local_variable_set(__names.last, v)
    end
    @__template.result(__b)
  ensure
    __names.each { |name| __b.local_variable_set(name, nil) }
  end
end



if $0 == __FILE__
  t = Template.new("Oizinho <%= name %>!")
  puts t.render :name => "sshaw"
end