# frozen_string_literal: true module HTTPX module Transcoder using RegexpExtensions unless Regexp.method_defined?(:match?) module_function def normalize_keys(key, value, cond = nil, &block) if (cond && cond.call(value)) block.call(key.to_s, value) elsif value.respond_to?(:to_ary) if value.empty? block.call("#{key}[]") else value.to_ary.each do |element| normalize_keys("#{key}[]", element, cond, &block) end end elsif value.respond_to?(:to_hash) value.to_hash.each do |child_key, child_value| normalize_keys("#{key}[#{child_key}]", child_value, cond, &block) end else block.call(key.to_s, value) end end # based on https://github.com/rack/rack/blob/d15dd728440710cfc35ed155d66a98dc2c07ae42/lib/rack/query_parser.rb#L82 def normalize_query(params, name, v, depth) raise Error, "params depth surpasses what's supported" if depth <= 0 name =~ /\A[\[\]]*([^\[\]]+)\]*/ k = Regexp.last_match(1) || "" after = Regexp.last_match ? Regexp.last_match.post_match : "" if k.empty? return Array(v) if !v.empty? && name == "[]" return end case after when "" params[k] = v when "[" params[name] = v when "[]" params[k] ||= [] raise Error, "expected Array (got #{params[k].class}) for param '#{k}'" unless params[k].is_a?(Array) params[k] << v when /^\[\]\[([^\[\]]+)\]$/, /^\[\](.+)$/ child_key = Regexp.last_match(1) params[k] ||= [] raise Error, "expected Array (got #{params[k].class}) for param '#{k}'" unless params[k].is_a?(Array) if params[k].last.is_a?(Hash) && !params_hash_has_key?(params[k].last, child_key) normalize_query(params[k].last, child_key, v, depth - 1) else params[k] << normalize_query({}, child_key, v, depth - 1) end else params[k] ||= {} raise Error, "expected Hash (got #{params[k].class}) for param '#{k}'" unless params[k].is_a?(Hash) params[k] = normalize_query(params[k], after, v, depth - 1) end params end def params_hash_has_key?(hash, key) return false if key.include?("[]") key.split(/[\[\]]+/).inject(hash) do |h, part| next h if part == "" return false unless h.is_a?(Hash) && h.key?(part) h[part] end true end end end require "httpx/transcoder/body" require "httpx/transcoder/form" require "httpx/transcoder/json" require "httpx/transcoder/xml" require "httpx/transcoder/chunker"