Class: HQ::Web::Container

Inherits:
Object
  • Object
show all
Defined in:
lib/hq/web/container.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Container

Returns a new instance of Container.



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# File 'lib/hq/web/container.rb', line 7

def initialize
end

Instance Method Details

#get_provider(app_elem) ⇒ Object 



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# File 'lib/hq/web/container.rb', line 104

def get_provider app_elem

  require \
    app_elem.attributes["require"]

  provider_class =
    eval app_elem.attributes["class"]

  provider =
    provider_class.get_provider app_elem

  return provider

end

#handle(env) ⇒ Object 



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# File 'lib/hq/web/container.rb', line 61

def handle env

  $stdout.sync = true
  $stderr.sync = true

  # iterate all apps

  @hq_apps.each do |app|

    # find app which matches path

    match =
      app[:pattern].match env["PATH_INFO"]

    next unless match

    # create hash from params

    params = Hash[
      app[:params].each_with_index.map { |name, index|
        [ name.to_sym, match[index + 1] ]
      }
    ]

    # call that app's provider

    return app[:provider].call env, params

  end

  # default error page

  headers = {
    "Content-Type" => "text/html",
  }

  body = [
    "404 Not found",
  ]

  return [ 404, headers, body ]
end

#init(config_path) ⇒ Object 



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# File 'lib/hq/web/container.rb', line 10

def init config_path
  load_config config_path
  init_apps
end

#init_app(app_elem) ⇒ Object 



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# File 'lib/hq/web/container.rb', line 40

def init_app app_elem

  return {

    pattern:
      Regexp.new("^#{app_elem.attributes["pattern"]}$"),

    params:
      app_elem.find("param").to_a \
        .map {
          |param_elem|
          param_elem.attributes["name"]
        },

    provider:
      get_provider(app_elem)

  }

end

#init_apps ⇒ Object 



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# File 'lib/hq/web/container.rb', line 30

def init_apps

  @hq_apps =
    @config_elem
      .find("app")
      .to_a
      .map { |app_elem| init_app app_elem }

end

#load_config(config_path) ⇒ Object 



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# File 'lib/hq/web/container.rb', line 15

def load_config config_path

  config_doc =
    XML::Document.file config_path

  config_elem =
    config_doc.root

  config_elem.name == "hq-web" \
    or raise "Error"

  @config_elem =
    config_elem
end