Module: Groonga::QueryLogger::Flags — rroonga - ラングバ

Module: Groonga::QueryLogger::Flags

Defined in:
lib/groonga/query-logger.rb

Constant Summary collapse

NAMES = 
{
  :none        => NONE,
  :command     => COMMAND,
  :result_code => RESULT_CODE,
  :destination => DESTINATION,
  :cache       => CACHE,
  :size        => SIZE,
  :score       => SCORE,
}
LABELS = 
{
  NONE        => "none",
  COMMAND     => "command",
  RESULT_CODE => "result_code",
  DESTINATION => "destination",
  CACHE       => "cache",
  SIZE        => "size",
  SCORE       => "score",
}

Class Method Summary collapse

Class Method Details

.label(flags) ⇒ Object 



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# File 'lib/groonga/query-logger.rb', line 81

def label(flags)
  labels = []
  LABELS.each do |flag, label|
    flags << label if (flags & flag) == flag
  end
  labels << "none" if labels.empty?
  labels.join("|")
end

.parse(input, base_flags = nil) ⇒ Object

TODO: Document me.



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# File 'lib/groonga/query-logger.rb', line 43

def parse(input, base_flags=nil)
  base_flags ||= Flags::NONE
  case input
  when nil
    base_flags
  when Integer
    input | base_flags
  when String, Symbol
    value = NAMES[input.to_sym]
    if value.nil?
      message =
        "flag name must be one of #{NAMES.keys.inspect}: " +
        "<#{input.inspect}>"
      raise ArgumentError, message
    end
    value | base_flags
  when ::Array
    input.inject(base_flags) do |flags, sub_input|
      parse(sub_input, flags)
    end
  when ::Hash
    flags = base_flags
    input.each do |key, use_key|
      if use_key
        flags = parse(key, flags)
      else
        flags &= ~parse(key, 0)
      end
    end
    flags
  else
    message =
      "flags value must be nil, Integer, names, " +
      "Array of flag or Hash of name and boolean: <#{input.inspect}>"
    raise ArgumentError, message
  end
end