Class: Rack::Transform

Inherits:
Object
  • Object
show all
Defined in:
lib/rack/transform.rb,
lib/rack/transform/version.rb,
lib/rack/transform/transformer.rb,
lib/rack/transform/transformers/base.rb

Defined Under Namespace

Modules: Transformers Classes: Transformer

Constant Summary collapse

VERSION = 
"0.1.1".freeze

Instance Method Summary collapse

Constructor Details

#initialize(app) {|_self| ... } ⇒ Transform

Returns a new instance of Transform.

Yields:

  • (_self)

Yield Parameters:



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# File 'lib/rack/transform.rb', line 5

def initialize(app)
  @app = app
  @transformers = {}
  yield self if block_given?
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/rack/transform.rb', line 11

def call(env)
  if transformer = request_transformer(env)
    env = transformer.request.call(env)
    status, header, body = @app.call(env)
    transformer.response.call(status, header, body)
  else
    @app.call(env)
  end
end

#on(type, &block) ⇒ Object 



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# File 'lib/rack/transform.rb', line 21

def on(type, &block)
  @transformers[type] ||= Transformer.new(&block)
end