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require 'active_support/deprecation'
require 'active_support/ordered_options'
require 'active_support/core_ext/hash/deep_dup'
require 'rails/paths'
require 'rails/rack'
module Rails
module Configuration
# MiddlewareStackProxy is a proxy for the Rails middleware stack that allows
# you to configure middlewares in your application. It works basically as a
# command recorder, saving each command to be applied after initialization
# over the default middleware stack, so you can add, swap, or remove any
# middleware in Rails.
#
# You can add your own middlewares by using the +config.middleware.use+ method:
#
# config.middleware.use Magical::Unicorns
#
# This will put the +Magical::Unicorns+ middleware on the end of the stack.
# You can use +insert_before+ if you wish to add a middleware before another:
#
# config.middleware.insert_before ActionDispatch::Head, Magical::Unicorns
#
# There's also +insert_after+ which will insert a middleware after another:
#
# config.middleware.insert_after ActionDispatch::Head, Magical::Unicorns
#
# Middlewares can also be completely swapped out and replaced with others:
#
# config.middleware.swap ActionDispatch::BestStandardsSupport, Magical::Unicorns
#
# And finally they can also be removed from the stack completely:
#
# config.middleware.delete ActionDispatch::BestStandardsSupport
#
# In addition to these methods to handle the stack, if your application is
# going to be used as an API endpoint only, the middleware stack can be
# configured like this:
#
# config.middleware.api_only!
#
# By doing this, Rails will create a smaller middleware stack, by not adding
# some middlewares that are usually useful for browser access only, such as
# Cookies, Session and Flash, BestStandardsSupport, and MethodOverride. You
# can always add any of them later manually if you want.
class MiddlewareStackProxy
def initialize
@operations = []
@api_only = false
end
attr_reader :api_only
alias :api_only? :api_only
def api_only!
@api_only = true
end
def insert_before(*args, &block)
@operations << [:insert_before, args, block]
end
alias :insert :insert_before
def insert_after(*args, &block)
@operations << [:insert_after, args, block]
end
def swap(*args, &block)
@operations << [:swap, args, block]
end
def use(*args, &block)
@operations << [:use, args, block]
end
def delete(*args, &block)
@operations << [:delete, args, block]
end
def merge_into(other) #:nodoc:
@operations.each do |operation, args, block|
other.send(operation, *args, &block)
end
other
end
end
class Generators #:nodoc:
attr_accessor :aliases, :options, :templates, :fallbacks, :colorize_logging
attr_reader :hidden_namespaces
def initialize
@aliases = Hash.new { |h,k| h[k] = {} }
@options = Hash.new { |h,k| h[k] = {} }
@fallbacks = {}
@templates = []
@colorize_logging = true
@hidden_namespaces = []
end
def initialize_copy(source)
@aliases = @aliases.deep_dup
@options = @options.deep_dup
@fallbacks = @fallbacks.deep_dup
@templates = @templates.dup
end
def hide_namespace(namespace)
@hidden_namespaces << namespace
end
def method_missing(method, *args)
method = method.to_s.sub(/=$/, '').to_sym
return @options[method] if args.empty?
if method == :rails || args.first.is_a?(Hash)
namespace, configuration = method, args.shift
else
namespace, configuration = args.shift, args.shift
namespace = namespace.to_sym if namespace.respond_to?(:to_sym)
@options[:rails][method] = namespace
end
if configuration
aliases = configuration.delete(:aliases)
@aliases[namespace].merge!(aliases) if aliases
@options[namespace].merge!(configuration)
end
end
end
end
end
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