Module: Puma::Utils

Defined in:
lib/puma/utils.rb

Class Method Summary collapse

Class Method Details

.escape(s) ⇒ Object

Performs URI escaping so that you can construct proper query strings faster. Use this rather than the cgi.rb version since it’s faster. (Stolen from Camping).



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# File 'lib/puma/utils.rb', line 6

def self.escape(s)
  s.to_s.gsub(/([^ a-zA-Z0-9_.-]+)/n) {
    '%'+$1.unpack('H2'*$1.size).join('%').upcase
  }.tr(' ', '+') 
end

.query_parse(qs, d = '&;') ⇒ Object

Parses a query string by breaking it up at the ‘&’ and ‘;’ characters. You can also use this to parse cookies by changing the characters used in the second parameter (which defaults to ‘&;’.



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# File 'lib/puma/utils.rb', line 24

def self.query_parse(qs, d = '&;')
  params = {}

  qs.split(/[#{d}] */n).each do |p|
    k, v = unescape(p).split('=', 2)

    if cur = params[k]
      if cur.kind_of? Array
        params[k] << v
      else
        params[k] = [cur, v]
      end
    else
      params[k] = v
    end
  end

  return params
end

.unescape(s) ⇒ Object

Unescapes a URI escaped string. (Stolen from Camping).



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# File 'lib/puma/utils.rb', line 14

def self.unescape(s)
  s.tr('+', ' ').gsub(/((?:%[0-9a-fA-F]{2})+)/n){
    [$1.delete('%')].pack('H*')
  } 
end