Class: Formatador

Inherits:
Object
  • Object
show all
Defined in:
lib/formatador.rb,
lib/formatador/table.rb,
lib/formatador/progressbar.rb

Defined Under Namespace

Classes: ProgressBar

Constant Summary collapse

VERSION = 
'1.2.1'
STYLES = 
{
  "\/": '0',
  reset: '0',
  bold: '1',
  underline: '4',
  blink_slow: '5',
  blink_fast: '6',
  negative: '7', # invert color/color
  normal: '22',
  underline_none: '24',
  blink_off: '25',
  positive: '27', # revert color/color
  _black_: '40',
  _red_: '41',
  _green_: '42',
  _yellow_: '43',
  _blue_: '44',
  _magenta_: '45',
  _purple_: '45',
  _cyan_: '46',
  _white_: '47',
  _light_black_: '100',
  _light_red_: '101',
  _light_green_: '102',
  _light_yellow_: '103',
  _light_blue_: '104',
  _light_magenta_: '105',
  _light_purple_: '105',
  _light_cyan_: '106',
  black: '30',
  red: '31',
  green: '32',
  yellow: '33',
  blue: '34',
  magenta: '35',
  purple: '35',
  cyan: '36',
  white: '37',
  light_black: '90',
  light_red: '91',
  light_green: '92',
  light_yellow: '93',
  light_blue: '94',
  light_magenta: '95',
  light_purple: '95',
  light_cyan: '96'
}.freeze
PARSE_REGEX = 
/\[(#{STYLES.keys.join('|')})\]/ix.freeze
INDENT_REGEX = 
/\[indent\]/ix.freeze

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Formatador

Returns a new instance of Formatador.



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# File 'lib/formatador.rb', line 62

def initialize
  @indent = 1
end

Instance Method Details

#display(string = '') ⇒ Object 



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# File 'lib/formatador.rb', line 66

def display(string = '')
  print(parse("[indent]#{string}"))
  $stdout.flush
  nil
end

#display_compact_table(hashes, keys = nil, **options, &block) ⇒ Object 



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# File 'lib/formatador/table.rb', line 10

def display_compact_table(hashes, keys = nil, **options, &block)
  headers = keys || []
  widths = {}

  # Calculate Widths
  if hashes.empty? && keys
    keys.each do |key|
      widths[key] = length(key)
    end
  else
    hashes.each do |hash|
      next unless hash.respond_to?(:keys)

      (headers + hash.keys).each do |key|
        if !keys
          headers << key
        end
        widths[key] = [length(key), widths[key] || 0, length(calculate_datum(key, hash)) || 0].max
      end
      headers = headers.uniq
    end
  end

  # Determine order of headers
  if block_given?
    headers = headers.sort(&block)
  elsif !keys
    headers = headers.sort {|x,y| x.to_s <=> y.to_s}
  end

  # Display separator row
  split = "+"
  if headers.empty?
    split << '--+'
  else
    headers.each do |header|
      widths[header] ||= length(header)
      split << ('-' * (widths[header] + 2)) << '+'
    end
  end
  display_line(split)

  # Display data row
  columns = []
  headers.each do |header|
    columns << "[bold]#{header}[/]#{' ' * (widths[header] - length(header))}"
  end
  display_line("| #{columns.join(' | ')} |")
  display_line(split)

  hashes.each do |hash|
    if hash.respond_to? :keys
      columns = headers.map do |header|
        datum = calculate_datum(header, hash)
        width = widths[header] - length(datum)
        width = width < 0 ? 0 : width

        datum.is_a?(Numeric) && options[:numeric_rjust] ? "#{' ' * width}#{datum}" : "#{datum}#{' ' * width}"
      end
      display_line("| #{columns.join(' | ')} |")
    else
      if hash == :split
        display_line(split)
      end
    end
    nil
  end
  display_line(split)
end

#display_line(string = '') ⇒ Object 



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# File 'lib/formatador.rb', line 72

def display_line(string = '')
  display(string)
  new_line
  nil
end

#display_lines(lines = []) ⇒ Object 



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# File 'lib/formatador.rb', line 78

def display_lines(lines = [])
  [*lines].each do |line|
    display_line(line)
  end
  nil
end

#display_table(hashes, keys = nil, **options, &block) ⇒ Object 



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# File 'lib/formatador/table.rb', line 2

def display_table(hashes, keys = nil, **options, &block)
  new_hashes = hashes.inject([]) do |accum,item|
    accum << :split unless accum.empty?
    accum << item
  end
  display_compact_table(new_hashes, keys, **options, &block)
end

#indent ⇒ Object 



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# File 'lib/formatador.rb', line 93

def indent
  @indent += 1
  yield
ensure
  @indent -= 1
end

#indentation ⇒ Object 



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# File 'lib/formatador.rb', line 100

def indentation
  '  ' * @indent
end

#new_line ⇒ Object 



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# File 'lib/formatador.rb', line 116

def new_line
  print("\n")
  nil
end

#parse(string) ⇒ Object 



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# File 'lib/formatador.rb', line 85

def parse(string)
  if color_support
    string.gsub(PARSE_REGEX) { "\e[#{STYLES[::Regexp.last_match(1).to_sym]}m" }.gsub(INDENT_REGEX) { indentation }
  else
    strip(string)
  end
end

#redisplay(string = '', width = 120) ⇒ Object 



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# File 'lib/formatador.rb', line 104

def redisplay(string = '', width = 120)
  print("\r#{' ' * width}\r")
  display(string.to_s)
  nil
end

#redisplay_line(string = '', width = 120) ⇒ Object 



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# File 'lib/formatador.rb', line 110

def redisplay_line(string = '', width = 120)
  redisplay(string, width)
  new_line
  nil
end

#redisplay_progressbar(current, total, options = {}) ⇒ Object 



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# File 'lib/formatador/progressbar.rb', line 34

def redisplay_progressbar(current, total, options = {})
  options = { :color => 'white', :width => 50, :new_line => true }.merge!(options)
  data = progressbar(current, total, options)
  if current < total
    redisplay(data, options[:width])
  else
    redisplay("#{data}", options[:width])
    if options[:new_line]
      new_line
    end
    @progressbar_started_at = nil
  end
end

#strip(string) ⇒ Object 



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# File 'lib/formatador.rb', line 121

def strip(string)
  string.gsub(PARSE_REGEX, '').gsub(INDENT_REGEX) { indentation }
end