class RuboCop::Formatter::FormatterSet

This is a collection of formatters. A FormatterSet can hold multiple formatter instances and provides transparent formatter API methods which invoke same method of each formatters.

Constants

BUILTIN_FORMATTERS_FOR_KEYS
BUILTIN_FORMATTER_NAMES
FORMATTER_APIS

Public Class Methods

new(options = {}) click to toggle source
Calls superclass method
# File lib/rubocop/formatter/formatter_set.rb, line 40
def initialize(options = {})
  super()
  @options = options # CLI options
end

Public Instance Methods

add_formatter(formatter_type, output_path = nil) click to toggle source
# File lib/rubocop/formatter/formatter_set.rb, line 56
def add_formatter(formatter_type, output_path = nil)
  if output_path
    dir_path = File.dirname(output_path)
    FileUtils.mkdir_p(dir_path)
    output = File.open(output_path, 'w')
  else
    output = $stdout
  end

  self << formatter_class(formatter_type).new(output, @options)
end
close_output_files() click to toggle source
# File lib/rubocop/formatter/formatter_set.rb, line 68
def close_output_files
  each do |formatter|
    formatter.output.close if formatter.output.is_a?(File)
  end
end
file_finished(file, offenses) click to toggle source
# File lib/rubocop/formatter/formatter_set.rb, line 51
def file_finished(file, offenses)
  each { |f| f.file_finished(file, offenses) }
  offenses
end
file_started(file, options) click to toggle source
# File lib/rubocop/formatter/formatter_set.rb, line 45
def file_started(file, options)
  @options = options[:cli_options]
  @config_store = options[:config_store]
  each { |f| f.file_started(file, options) }
end

Private Instance Methods

builtin_formatter_class(specified_key) click to toggle source
# File lib/rubocop/formatter/formatter_set.rb, line 87
def builtin_formatter_class(specified_key)
  matching_keys = BUILTIN_FORMATTERS_FOR_KEYS.keys.select do |key|
    /^\[#{specified_key}\]/.match?(key) || specified_key == key.delete('[]')
  end

  if matching_keys.empty?
    similar_name = NameSimilarity.find_similar_name(specified_key, BUILTIN_FORMATTER_NAMES)
    suggestion = %( Did you mean? "#{similar_name}") if similar_name

    raise Rainbow(%(Formatter "#{specified_key}" not found.#{suggestion})).red
  end

  raise %(Cannot determine formatter for "#{specified_key}") if matching_keys.size > 1

  formatter_name = BUILTIN_FORMATTERS_FOR_KEYS[matching_keys.first]
  RuboCop::Formatter.const_get(formatter_name)
end
custom_formatter_class(specified_class_name) click to toggle source
# File lib/rubocop/formatter/formatter_set.rb, line 105
def custom_formatter_class(specified_class_name)
  constant_names = specified_class_name.split('::')
  constant_names.shift if constant_names.first.empty?
  constant_names.reduce(Object) do |namespace, constant_name|
    namespace.const_get(constant_name, false)
  end
end
formatter_class(formatter_type) click to toggle source
# File lib/rubocop/formatter/formatter_set.rb, line 76
def formatter_class(formatter_type)
  case formatter_type
  when Class
    formatter_type
  when /\A[A-Z]/
    custom_formatter_class(formatter_type)
  else
    builtin_formatter_class(formatter_type)
  end
end