Class: RuboCop::Formatter::PacmanFormatter

Inherits:
ClangStyleFormatter show all
Includes:
TextUtil
Defined in:
lib/rubocop/formatter/pacman_formatter.rb

Overview

This formatter prints a PACDOT per every file to be analyzed. Pacman will “eat” one PACDOT per file when no offense is detected. Otherwise it will print a Ghost. This is inspired by the Pacman formatter for RSpec by Carlos Rojas. github.com/go-labs/rspec_pacman_formatter

Constant Summary collapse

FALLBACK_TERMINAL_WIDTH = 
80
GHOST = 
'ᗣ'
PACMAN = 
Rainbow('ᗧ').yellow.bright
PACDOT = 
Rainbow('•').yellow.bright

Constants inherited from ClangStyleFormatter

ClangStyleFormatter::ELLIPSES

Constants inherited from SimpleTextFormatter

SimpleTextFormatter::COLOR_FOR_SEVERITY

Instance Attribute Summary collapse

Attributes inherited from BaseFormatter

#options, #output

Instance Method Summary collapse

Methods included from TextUtil

pluralize

Methods inherited from ClangStyleFormatter

#report_file

Methods inherited from SimpleTextFormatter

#finished, #report_file, #report_summary

Methods included from PathUtil

absolute?, chdir, hidden_dir?, hidden_file_in_not_hidden_dir?, match_path?, pwd, relative_path, reset_pwd, smart_path

Methods included from Colorizable

#colorize, #rainbow

Methods inherited from BaseFormatter

#finished

Constructor Details

#initialize(output, options = {}) ⇒ PacmanFormatter

Returns a new instance of PacmanFormatter.



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# File 'lib/rubocop/formatter/pacman_formatter.rb', line 19

def initialize(output, options = {})
  super
  @progress_line = ''
  @total_files   = 0
  @repetitions   = 0
end

Instance Attribute Details

#progress_line ⇒ Object

Returns the value of attribute progress_line.



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# File 'lib/rubocop/formatter/pacman_formatter.rb', line 12

def progress_line
  @progress_line
end

Instance Method Details

#cols ⇒ Object 



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# File 'lib/rubocop/formatter/pacman_formatter.rb', line 50

def cols
  @cols ||= begin
    _height, width = $stdout.winsize
    width.nil? || width.zero? ? FALLBACK_TERMINAL_WIDTH : width
  end
end

#file_finished(file, offenses) ⇒ Object 



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# File 'lib/rubocop/formatter/pacman_formatter.rb', line 37

def file_finished(file, offenses)
  count_stats(offenses) unless offenses.empty?
  next_step(offenses)
  report_file(file, offenses)
end

#file_started(_file, _options) ⇒ Object 



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# File 'lib/rubocop/formatter/pacman_formatter.rb', line 33

def file_started(_file, _options)
  step(PACMAN)
end

#next_step(offenses) ⇒ Object 



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# File 'lib/rubocop/formatter/pacman_formatter.rb', line 43

def next_step(offenses)
  return step('.') if offenses.empty?

  ghost_color = COLOR_FOR_SEVERITY[offenses.last.severity.name]
  step(colorize(GHOST, ghost_color))
end

#pacdots(number) ⇒ Object 



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# File 'lib/rubocop/formatter/pacman_formatter.rb', line 64

def pacdots(number)
  @progress_line = PACDOT * number
end

#started(target_files) ⇒ Object 



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# File 'lib/rubocop/formatter/pacman_formatter.rb', line 26

def started(target_files)
  super
  @total_files = target_files.size
  output.puts "Eating #{pluralize(target_files.size, 'file')}"
  update_progress_line
end

#step(character) ⇒ Object 



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# File 'lib/rubocop/formatter/pacman_formatter.rb', line 68

def step(character)
  regex = /#{Regexp.quote(PACMAN)}|#{Regexp.quote(PACDOT)}/
  @progress_line = @progress_line.sub(regex, character)
  output.printf("%<line>s\r", line: @progress_line)
  return unless @progress_line[-1] =~ /ᗣ|\./

  @repetitions += 1
  output.puts
  update_progress_line
end

#update_progress_line ⇒ Object 



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# File 'lib/rubocop/formatter/pacman_formatter.rb', line 57

def update_progress_line
  return pacdots(@total_files) unless @total_files > cols
  return pacdots(cols) unless (@total_files / cols).eql?(@repetitions)

  pacdots((@total_files - (cols * @repetitions)))
end