Router

README.md

bundle install
thin -R config.ru start

Point browser to http://localhost:3000/2

app.rb

require 'rack/request'
require 'journey'
require 'debugger'

separators = %w(/ . ?)

set        = Journey::Routes.new
router     = Journey::Router.new(set, {
              :parameters_key => "rack.request.query_hash"
             })

Router = lambda do |env|
  router.call env
end

App = lambda do |env|
  key = "rack.request.query_hash"
  body = "#{key}: #{env[key]}"
  [200, {}, body]
end

strexp = Journey::Router::Strexp.new(
    "/foo/:id",       # path
    { :id => /\d+/ }, # requirements
    separators)

path = Journey::Path::Pattern.new(strexp)
set.add_route App,
              path,
              {:request_method=>/^GET$/},
              {:foo => true}

config.ru

$:.unshift(".")

require 'app'

run Router

Gemfile

gem "actionpack"
gem "thin"