Class: ActionDispatch::QueryParser

Inherits:
Object
  • Object
show all
Defined in:
lib/action_dispatch/http/query_parser.rb

Constant Summary collapse

DEFAULT_SEP = 
/& */n
COMPAT_SEP = 
/[&;] */n
COMMON_SEP = 
{ ";" => /; */n, ";," => /[;,] */n, "&" => /& */n, "&;" => /[&;] */n }
SEMICOLON_COMPAT = 
defined?(::Rack::QueryParser::DEFAULT_SEP) && ::Rack::QueryParser::DEFAULT_SEP.to_s.include?(";")

Class Method Summary collapse

Class Method Details

.each_pair(s, separator = nil) ⇒ Object

– Note this departs from WHATWG’s specified parsing algorithm by giving a nil value for keys that do not use ‘=’. Callers that need the standard’s interpretation can use ‘v.to_s`.



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# File 'lib/action_dispatch/http/query_parser.rb', line 20

def self.each_pair(s, separator = nil)
  return enum_for(:each_pair, s, separator) unless block_given?

  s ||= ""

  splitter =
    if separator
      COMMON_SEP[separator] || /[#{separator}] */n
    elsif strict_query_string_separator
      DEFAULT_SEP
    elsif SEMICOLON_COMPAT && s.include?(";")
      if strict_query_string_separator.nil?
        ActionDispatch.deprecator.warn("Using semicolon as a query string separator is deprecated and will not be supported in Rails 8.1 or Rack 3.0. Use `&` instead.")
      end
      COMPAT_SEP
    else
      DEFAULT_SEP
    end

  s.split(splitter).each do |part|
    next if part.empty?

    k, v = part.split("=", 2)

    k = URI.decode_www_form_component(k)
    v &&= URI.decode_www_form_component(v)

    yield k, v
  end

  nil
end