class ActionDispatch::MiddlewareStack
Attributes
middlewares[RW]
Public Class Methods
new(*args) { |self| ... }
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# File lib/action_dispatch/middleware/stack.rb, line 57 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 74 def [](i) middlewares[i] end
build(app = nil, &block)
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# File lib/action_dispatch/middleware/stack.rb, line 115 def build(app = nil, &block) app ||= block raise "MiddlewareStack#build requires an app" unless app 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 106 def delete(target) middlewares.delete target end
each() { |x| ... }
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# File lib/action_dispatch/middleware/stack.rb, line 62 def each @middlewares.each { |x| yield x } end
initialize_copy(other)
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# File lib/action_dispatch/middleware/stack.rb, line 83 def initialize_copy(other) self.middlewares = other.middlewares.dup end
insert(index, *args, &block)
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# File lib/action_dispatch/middleware/stack.rb, line 87 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)
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# File lib/action_dispatch/middleware/stack.rb, line 95 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 70 def last middlewares.last end
size()
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# File lib/action_dispatch/middleware/stack.rb, line 66 def size middlewares.size end
swap(target, *args, &block)
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# File lib/action_dispatch/middleware/stack.rb, line 100 def swap(target, *args, &block) index = assert_index(target, :before) insert(index, *args, &block) middlewares.delete_at(index + 1) end
unshift(*args, &block)
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# File lib/action_dispatch/middleware/stack.rb, line 78 def unshift(*args, &block) middleware = self.class::Middleware.new(*args, &block) middlewares.unshift(middleware) end
use(*args, &block)
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# File lib/action_dispatch/middleware/stack.rb, line 110 def use(*args, &block) middleware = self.class::Middleware.new(*args, &block) middlewares.push(middleware) end
Protected Instance Methods
assert_index(index, where)
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# File lib/action_dispatch/middleware/stack.rb, line 123 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