Class: I18n::Processes::Command::OptionParsers::Enum::ListParser

Inherits:
Object
  • Object
show all
Defined in:
lib/i18n/processes/command/option_parsers/enum.rb

Constant Summary collapse

DEFAULT_ERROR = 
proc do |invalid, valid|
  "#{invalid * ', '} is not in: #{valid * ', '}."
end

Instance Method Summary collapse

Constructor Details

#initialize(valid, error_message = DEFAULT_ERROR) ⇒ ListParser

Returns a new instance of ListParser.



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# File 'lib/i18n/processes/command/option_parsers/enum.rb', line 32

def initialize(valid, error_message = DEFAULT_ERROR)
  @valid         = valid.map(&:to_s)
  @error_message = error_message
end

Instance Method Details

#call(values) ⇒ Object 



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# File 'lib/i18n/processes/command/option_parsers/enum.rb', line 37

def call(values, *)
  values = Array(values)
  return @valid if values == %w[all]
  invalid = values - @valid
  if invalid.empty?
    if values.empty?
      @valid
    else
      values
    end
  else
    fail CommandError, @error_message.call(invalid, @valid)
  end
end