template for sinatra extension

.gitignore

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+*.gem

README.markdown

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+## Sinatra Extensions
+
+[Typo](http://www.sinatrarb.com/extensions.html):
+
+    require 'sinatra/base'
+    require 'rack/utils'    # added 
+      
+    module Sinatra
+      module HTMLEscapeHelper
+        def h(text)
+          Rake::Utils.escape_html(text) #<-- Rack::Utils.escape_html(text)
+        end
+

example/app.rb

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+require 'rubygems'
+require 'sinatra'
+require 'sinatra/rdiscount'
+
+get "/hello" do
+  h "1 < 2"     # => "1 &lt; 2"
+end

lib/sinatra/rdiscount.rb

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+require 'sinatra/base'
+require 'rack/utils'
+
+module Sinatra
+  module HTMLEscapeHelper
+    def h(text)
+      Rack::Utils.escape_html(text)
+    end
+  end
+
+  helpers HTMLEscapeHelper
+end
+
+module Sinatra
+  module RDiscountTemplate
+
+    def rdiscount(template, options={}, locals={})
+      require 'rdiscount' unless defined? ::RDiscount
+      render :rdiscount, template, options, locals
+    end
+
+  private
+
+    def render_rdiscount(template, data, options, locals, &block)
+      original_out_buf = @_out_buf
+      data = data.call if data.kind_of? Proc
+      instance = ::ERB.new(data, nil, nil, '@_out_buf')
+      locals_assigns = locals.to_a.collect { |k,v| "#{k} = locals[:#{k}]" }
+
+      src = "#{locals_assigns.join("\n")}\n#{instance.src}"
+      eval src, binding, '(__ERB__)', locals_assigns.length + 1
+      @_out_buf, result = original_out_buf, @_out_buf
+      result
+    end
+
+  end
+
+  helpers RDiscountTemplate
+end

sinatra-rdiscount.gemspec

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+# -*- coding: utf-8 -*-
+
+Gem::Specification.new do |s|
+  s.specification_version = 2 if s.respond_to? :specification_version=
+  s.required_rubygems_version = Gem::Requirement.new(">= 0") if s.respond_to? :required_rubygems_version=
+
+  s.name = 'sinatra-rdiscount'
+  s.version = '0.0.2'
+  s.date = '2009-03-31'
+
+  s.description = "RDiscount templates for Sinatra applications"
+  s.summary     = "RDiscount..."
+
+  s.authors = ["Włodek Bzyl"]
+  s.email = "matwb@univ.gda.pl"
+
+  s.files = %w[
+    LICENSE
+    README.markdown
+    Rakefile
+    lib/sinatra/rdiscount.rb
+    sinatra-rdiscount.gemspec
+    test/spec_sinatra_rdiscount.rb
+  ]
+  s.require_paths = %w[lib]
+
+  s.add_dependency 'rdiscount', '>= 1.3.4'
+
+  s.has_rdoc = false
+  s.homepage = "http://sinatra.rubyforge.org"
+
+  s.rubyforge_project = 'sinatra-rdiscount'
+  s.rubygems_version = '1.3.1'
+end