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ActionDispatch::MiddlewareStack

Attributes

middlewares[RW]

Public Class Methods

new(*args) click to toggle source
# File lib/action_dispatch/middleware/stack.rb, line 57
def initialize(*args)
  @middlewares = []
  yield(self) if block_given?
end

Public Instance Methods

[](i) click to toggle source
# File lib/action_dispatch/middleware/stack.rb, line 74
def [](i)
  middlewares[i]
end
build(app = nil, &block) click to toggle source
# File lib/action_dispatch/middleware/stack.rb, line 109
def build(app = nil, &block)
  app ||= block
  raise "MiddlewareStack#build requires an app" unless app
  middlewares.reverse.inject(app) { |a, e| e.build(a) }
end
delete(target) click to toggle source
# File lib/action_dispatch/middleware/stack.rb, line 100
def delete(target)
  middlewares.delete target
end
each() click to toggle source
# File lib/action_dispatch/middleware/stack.rb, line 62
def each
  @middlewares.each { |x| yield x }
end
initialize_copy(other) click to toggle source
# File lib/action_dispatch/middleware/stack.rb, line 78
def initialize_copy(other)
  self.middlewares = other.middlewares.dup
end
insert(index, *args, &block) click to toggle source
# File lib/action_dispatch/middleware/stack.rb, line 82
def insert(index, *args, &block)
  index = assert_index(index, :before)
  middleware = self.class::Middleware.new(*args, &block)
  middlewares.insert(index, middleware)
end
Also aliased as: insert_before
insert_after(index, *args, &block) click to toggle source
# File lib/action_dispatch/middleware/stack.rb, line 90
def insert_after(index, *args, &block)
  index = assert_index(index, :after)
  insert(index + 1, *args, &block)
end
insert_before(index, *args, &block) click to toggle source
Alias for: insert
last() click to toggle source
# File lib/action_dispatch/middleware/stack.rb, line 70
def last
  middlewares.last
end
size() click to toggle source
# File lib/action_dispatch/middleware/stack.rb, line 66
def size
  middlewares.size
end
swap(target, *args, &block) click to toggle source
# File lib/action_dispatch/middleware/stack.rb, line 95
def swap(target, *args, &block)
  insert_before(target, *args, &block)
  delete(target)
end
use(*args, &block) click to toggle source
# File lib/action_dispatch/middleware/stack.rb, line 104
def use(*args, &block)
  middleware = self.class::Middleware.new(*args, &block)
  middlewares.push(middleware)
end

Protected Instance Methods

assert_index(index, where) click to toggle source
# File lib/action_dispatch/middleware/stack.rb, line 117
def assert_index(index, where)
  i = index.is_a?(Integer) ? index : middlewares.index(index)
  raise "No such middleware to insert #{where}: #{index.inspect}" unless i
  i
end

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