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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
def initialize(env)
super
@symbolized_path_params = nil
end
# Returns both GET and POST \parameters in a single hash.
def parameters
@env["action_dispatch.request.parameters"] ||= begin
params = begin
request_parameters.merge(query_parameters)
rescue EOFError
query_parameters.dup
end
params.merge!(path_parameters)
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
def reset_parameters #:nodoc:
@env.delete("action_dispatch.request.parameters")
end
private
# Convert nested Hash to HashWithIndifferentAccess
# and UTF-8 encode both keys and values in nested Hash.
#
# 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 normalize_encode_params(params)
if params.is_a?(String)
return params.force_encoding(Encoding::UTF_8).encode!
elsif !params.is_a?(Hash)
return params
end
new_hash = {}
params.each do |k, v|
new_key = k.is_a?(String) ? k.dup.force_encoding("UTF-8").encode! : k
new_hash[new_key] =
case v
when Hash
normalize_encode_params(v)
when Array
v.map! {|el| normalize_encode_params(el) }
else
normalize_encode_params(v)
end
end
new_hash.with_indifferent_access
end
end
end
end
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