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require "uri"
class Nori
module CoreExt
module Hash
# @param key<Object> The key for the param.
# @param value<Object> The value for the param.
#
# @return <String> This key value pair as a param
#
# @example normalize_param(:name, "Bob Jones") #=> "name=Bob%20Jones"
def normalize_param(key, value)
if value.is_a?(Array)
normalize_array_params(key, value)
elsif value.is_a?(Hash)
normalize_hash_params(key, value)
else
normalize_simple_type_params(key, value)
end
end
# @return <String> The hash as attributes for an XML tag.
#
# @example
# { :one => 1, "two"=>"TWO" }.to_xml_attributes
# #=> 'one="1" two="TWO"'
def to_xml_attributes
map do |k, v|
%{#{k.to_s.snakecase.sub(/^(.{1,1})/) { |m| m.downcase }}="#{v}"}
end.join(' ')
end
private
def normalize_simple_type_params(key, value)
["#{key}=#{encode_simple_value(value)}"]
end
def normalize_array_params(key, array)
array.map do |element|
normalize_param("#{key}[]", element)
end
end
def normalize_hash_params(key, hash)
hash.map do |nested_key, element|
normalize_param("#{key}[#{nested_key}]", element)
end
end
def encode_simple_value(value)
URI.encode(value.to_s, Regexp.new("[^#{URI::PATTERN::UNRESERVED}]"))
end
end
end
end
Hash.send :include, Nori::CoreExt::Hash
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