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require 'active_support/core_ext/hash/keys'
require 'active_support/core_ext/hash/indifferent_access'
module ActionDispatch
module Http
module Parameters
# Returns both GET and POST \parameters in a single hash.
def parameters
@env["action_dispatch.request.parameters"] ||= begin
params = request_parameters.merge(query_parameters)
params.merge!(path_parameters)
encode_params(params).with_indifferent_access
end
end
alias :params :parameters
def path_parameters=(parameters) #:nodoc:
@symbolized_path_params = nil
@env.delete("action_dispatch.request.parameters")
@env["action_dispatch.request.path_parameters"] = parameters
end
# The same as <tt>path_parameters</tt> with explicitly symbolized keys.
def symbolized_path_parameters
@symbolized_path_params ||= path_parameters.symbolize_keys
end
# Returns a hash with the \parameters used to form the \path of the request.
# Returned hash keys are strings:
#
# {'action' => 'my_action', 'controller' => 'my_controller'}
#
# See <tt>symbolized_path_parameters</tt> for symbolized keys.
def path_parameters
@env["action_dispatch.request.path_parameters"] ||= {}
end
private
# TODO: Validate that the characters are UTF-8. If they aren't,
# you'll get a weird error down the road, but our form handling
# should really prevent that from happening
def encode_params(params)
if params.is_a?(String)
return params.force_encoding("UTF-8").encode!
elsif !params.is_a?(Hash)
return params
end
params.each do |k, v|
case v
when Hash
encode_params(v)
when Array
v.map! {|el| encode_params(el) }
else
encode_params(v)
end
end
end
# Convert nested Hash to HashWithIndifferentAccess
def normalize_parameters(value)
case value
when Hash
h = {}
value.each { |k, v| h[k] = normalize_parameters(v) }
h.with_indifferent_access
when Array
value.map { |e| normalize_parameters(e) }
else
value
end
end
end
end
end
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