Utility module to define eRuby script as instance method.
example.rhtml:
<% for item in @items %> <b><%= item %></b> <% end %>
example.rb:
require 'erb' class MyClass extend ERB::DefMethod def_erb_method('render()', 'example.rhtml') def initialize(items) @items = items end end print MyClass.new([10,20,30]).render()
result:
<b>10</b> <b>20</b> <b>30</b>
define methodname as instance method of current module, using ERB object or eRuby file
# File erb.rb, line 1066 def def_erb_method(methodname, erb_or_fname) if erb_or_fname.kind_of? String fname = erb_or_fname erb = ERB.new(File.read(fname)) erb.def_method(self, methodname, fname) else erb = erb_or_fname erb.def_method(self, methodname, erb.filename || '(ERB)') end end