class ActionDispatch::MiddlewareStack
Attributes
middlewares[RW]
Public Class Methods
new(*args) { |self| ... }
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# File lib/action_dispatch/middleware/stack.rb, line 43 def initialize(*args) @middlewares = [] yield(self) if block_given? end
Public Instance Methods
[](i)
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# File lib/action_dispatch/middleware/stack.rb, line 60 def [](i) middlewares[i] end
build(app = Proc.new)
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# File lib/action_dispatch/middleware/stack.rb, line 99 def build(app = Proc.new) middlewares.freeze.reverse.inject(app) { |a, e| e.build(a) } end
delete(target)
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# File lib/action_dispatch/middleware/stack.rb, line 90 def delete(target) target = get_class target middlewares.delete_if { |m| m.klass == target } end
each() { |x| ... }
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# File lib/action_dispatch/middleware/stack.rb, line 48 def each @middlewares.each { |x| yield x } end
initialize_copy(other)
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# File lib/action_dispatch/middleware/stack.rb, line 68 def initialize_copy(other) self.middlewares = other.middlewares.dup end
insert(index, klass, *args, &block)
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# File lib/action_dispatch/middleware/stack.rb, line 72 def insert(index, klass, *args, &block) index = assert_index(index, :before) middlewares.insert(index, build_middleware(klass, args, block)) end
Also aliased as: insert_before
insert_after(index, *args, &block)
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# File lib/action_dispatch/middleware/stack.rb, line 79 def insert_after(index, *args, &block) index = assert_index(index, :after) insert(index + 1, *args, &block) end
last()
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# File lib/action_dispatch/middleware/stack.rb, line 56 def last middlewares.last end
size()
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# File lib/action_dispatch/middleware/stack.rb, line 52 def size middlewares.size end
swap(target, *args, &block)
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# File lib/action_dispatch/middleware/stack.rb, line 84 def swap(target, *args, &block) index = assert_index(target, :before) insert(index, *args, &block) middlewares.delete_at(index + 1) end
unshift(klass, *args, &block)
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# File lib/action_dispatch/middleware/stack.rb, line 64 def unshift(klass, *args, &block) middlewares.unshift(build_middleware(klass, args, block)) end
use(klass, *args, &block)
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# File lib/action_dispatch/middleware/stack.rb, line 95 def use(klass, *args, &block) middlewares.push(build_middleware(klass, args, block)) end
Private Instance Methods
assert_index(index, where)
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# File lib/action_dispatch/middleware/stack.rb, line 105 def assert_index(index, where) index = get_class index i = index.is_a?(Integer) ? index : middlewares.index { |m| m.klass == index } raise "No such middleware to insert #{where}: #{index.inspect}" unless i i end
build_middleware(klass, args, block)
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# File lib/action_dispatch/middleware/stack.rb, line 129 def build_middleware(klass, args, block) Middleware.new(get_class(klass), args, block) end
get_class(klass)
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# File lib/action_dispatch/middleware/stack.rb, line 112 def get_class(klass) if klass.is_a?(String) || klass.is_a?(Symbol) classcache = ActiveSupport::Dependencies::Reference converted_klass = classcache[klass.to_s] ActiveSupport::Deprecation.warn <<-eowarn Passing strings or symbols to the middleware builder is deprecated, please change them to actual class references. For example: "#{klass}" => #{converted_klass} eowarn converted_klass else klass end end