Sample ruhoh plugin to extend mustache with "posts_limit_n" block helpers

mustache_limits.rb

# Sample ruhoh plugin to extend mustache with "posts_limit_n" block helpers
# See sample.html for sample usage.
# Installation: place this ruby file in the _plugins directory in the root of your blog.

class Ruhoh
  module Templaters
    module Helpers
      LimitRegex = /^(\w+)_limit_(\d+)/

      def limit_to(method, limit)
        return false unless self.respond_to?(method.to_sym)
        self.__send__(method)[0, limit.to_i]
      end
      
      def method_missing(name, *args, &block)
        if name.to_s =~ LimitRegex
          self.limit_to($1, $2) || super
        else
          super
        end
      end

      def respond_to?(method)
        if method.to_s =~ LimitRegex
          true
        else
          super
        end
      end
        
    end
  end
end

sample.html

<h3>Posts</h3>
<ul>
{{#posts_limit_2}}
  <li>{{title}}</li>
{{/posts_limit_2}}
</ul>

<h3>Categories</h3>
<ul>
{{#categories_limit_2}}
  <li>{{name}}</li>
{{/categories_limit_2}}
</ul>

<h3>Tags</h3>
<ul>
{{#tags_limit_2}}
  <li>{{name}}</li>
{{/tags_limit_2}}
</ul>