Class: Jellyfish::URLMap

Inherits:
Object
  • Object
show all
Defined in:
lib/jellyfish/urlmap.rb

Instance Method Summary collapse

Constructor Details

#initialize(mapped_not_chomped) ⇒ URLMap

Returns a new instance of URLMap.



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# File 'lib/jellyfish/urlmap.rb', line 7

def initialize mapped_not_chomped
  mapped = transform_keys(mapped_not_chomped){ |k| k.sub(%r{/+\z}, '') }
  keys = mapped.keys
  @no_host = !keys.any?{ |k| match?(k, %r{\Ahttps?://}) }

  string = sort_keys(keys).
    map{ |k| build_regexp(k) }.
    join('|')

  @mapped = mapped
  @routes = %r{\A(?:#{string})(?:/|\z)}
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/jellyfish/urlmap.rb', line 20

def call env
  path_info = env['PATH_INFO']

  if @no_host
    if matched = @routes.match(path_info)
      cut_path = matched.to_s.chomp('/')
      script_name = key = cut_path.squeeze('/')
    end
  else
    host = (env['HTTP_HOST'] || env['SERVER_NAME']).to_s.downcase
    if matched = @routes.match("#{host}/#{path_info}")
      cut_path = matched.to_s[host.size + 1..-1].chomp('/')
      script_name = cut_path.squeeze('/')

      key =
        if matched[:host]
          host_with_path =
            if script_name.empty?
              host
            else
              File.join(host, script_name)
            end
          "http://#{host_with_path}"
        else
          script_name
        end
    end
  end

  if app = @mapped[key]
    app.call(env.merge(
      'SCRIPT_NAME' => env['SCRIPT_NAME'] + script_name,
      'PATH_INFO' => path_info[cut_path.size..-1]))
  else
    [404, {}, []]
  end
end