Class: Tetrahedron::Middleware
- Inherits:
-
Object
- Object
- Tetrahedron::Middleware
- Defined in:
- lib/tetrahedron/middleware.rb
Class Method Summary collapse
Instance Method Summary collapse
- #call(env) ⇒ Object
-
#initialize(app) ⇒ Middleware
constructor
A new instance of Middleware.
Constructor Details
#initialize(app) ⇒ Middleware
Returns a new instance of Middleware.
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# File 'lib/tetrahedron/middleware.rb', line 9 def initialize(app) @app = app end |
Class Method Details
.install(application) ⇒ Object
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# File 'lib/tetrahedron/middleware.rb', line 19 def self.install(application) middleware = Class.new(self) application.const_set('Middleware', middleware) middleware.class_variable_set(:@@stack, []) end |
.use(middleware, *args, &block) ⇒ Object
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# File 'lib/tetrahedron/middleware.rb', line 3 def self.use(middleware, *args, &block) stack = self.class_variable_get(:@@stack) stack << proc { |app| middleware.new(app, *args, &block) } self.class_variable_set(:@@stack, stack) end |
Instance Method Details
#call(env) ⇒ Object
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# File 'lib/tetrahedron/middleware.rb', line 13 def call(env) middlewares = self.class.class_variable_get(:@@stack).reverse wrapped = middlewares.inject(@app) {|_, middleware| middleware[_]} wrapped.call(env) end |