Class: Zero::Router

Inherits:

Object

• Object
• Zero::Router

show all

Defined in:

lib/zero/router.rb

Constant Summary

VARIABLE_MATCH =

match for variables in routes

%r{:(\w+)[^/]?}

VARIABLE_REGEX =

the replacement string to make it an regex

'(?<\1>.+?)'

Instance Method Summary (collapse)

• - (Object) call(env)
• - (Router) initialize(routes) constructor

  A new instance of Router.

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# File 'lib/zero/router.rb', line 8

def initialize(routes)
  @routes = {}
  routes.each do |route, target|
    @routes[
      Regexp.new(
        route.gsub(VARIABLE_MATCH, VARIABLE_REGEX) + '$')] = target
  end
end

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# File 'lib/zero/router.rb', line 17

def call(env)
  request = Zero::Request.create(env)
  @routes.each do |route, target|
    match = route.match(request.path)
    if match
      match.names.each_index do |i|
        request.update_param(match.names[i], match.captures[i])
      end
      return target.call(request.env)
    end
  end
  [404, {'Content-Type' => 'text/html'}, ['Not found!']]
end