example.rb

$:.unshift 'lib'
$:.unshift '../mustache/examples'

require 'temple' 
require 'pp'
require 'benchmark'
require 'simple'

# A pretty basic Mustache engine
class MustacheEngine < Temple::Engine
  parser :Mustache
  filter :Mustache
  filter :Escapable
  generator :Interpolation
  
  # We could also use:
  #   compiler :StringBuffer
  #   compiler :ArrayBuffer
  #   compiler :Array
  # 
  # Or, if you wrote your own:
  #   use MyOwnCompiler
end

# An example of how an ERB-engine would look.  (Yes, it works.)
class ERBEngine < Temple::Engine
  parser :ERB
  filter :DynamicInliner
  generator :ArrayBuffer
end

# Read the source
content = File.read(Simple.template_file)

# Compile it.
code = MustacheEngine.new.compile(content)
puts code

# Inject into Mustache.
Simple.template.instance_eval "def render(ctx); #{code}; end"
puts Simple.render

result

"Hello #{CGI.escapeHTML(ctx[:name].to_s)}\nYou have just won $#{CGI.escapeHTML(ctx[:value].to_s)}!\n#{        if v = ctx[:in_ca]
          v = [v] if v.is_a?(Hash) # shortcut when passed a single hash
          if v.respond_to?(:each)
            ctx1 = ctx.dup
            begin
              r = v.map { |h| ctx.update(h); "Well, $#{CGI.escapeHTML(ctx[:taxed_value].to_s)}, after taxes.\n" }.join
            rescue TypeError => e
              raise TypeError,
                "All elements in {{in_ca}} are not hashes!"
            end
            ctx.replace(ctx1)
            r
          else
            "Well, $#{CGI.escapeHTML(ctx[:taxed_value].to_s)}, after taxes.\n"
          end
        end
}"
Hello Chris
You have just won $10000!
Well, $6000.0, after taxes.