Module: CLIMarkdown::Colors

Included in:
Converter, String
Defined in:
lib/mdless/colors.rb

Constant Summary collapse

COLORS = 
{
  :reset => 0,     # synonym for :clear
  :x => 0,
  :bold => 1,
  :b => 1,
  :dark => 2,
  :d => 2,
  :italic => 3,     # not widely implemented
  :i => 3,
  :underline => 4,
  :underscore => 4,     # synonym for :underline
  :u => 4,
  :blink => 5,
  :rapid_blink => 6,     # not widely implemented
  :negative => 7,     # no reverse because of String#reverse
  :r => 7,
  :concealed => 8,
  :strikethrough => 9,     # not widely implemented
  :black => 30,
  :red => 31,
  :green => 32,
  :yellow => 33,
  :blue => 34,
  :magenta => 35,
  :cyan => 36,
  :white => 37,
  :on_black => 40,
  :on_red => 41,
  :on_green => 42,
  :on_yellow => 43,
  :on_blue => 44,
  :on_magenta => 45,
  :on_cyan => 46,
  :on_white => 47,
  :intense_black => 90,    # High intensity, aixterm (works in OS X)
  :intense_red => 91,
  :intense_green => 92,
  :intense_yellow => 93,
  :intense_blue => 94,
  :intense_magenta => 95,
  :intense_cyan => 96,
  :intense_white => 97,
  :on_intense_black => 100,    # High intensity background, aixterm (works in OS X)
  :on_intense_red => 101,
  :on_intense_green => 102,
  :on_intense_yellow => 103,
  :on_intense_blue => 104,
  :on_intense_magenta => 105,
  :on_intense_cyan => 106,
  :on_intense_white => 107
}

Instance Method Summary collapse

Instance Method Details

#blackout(bgcolor) ⇒ Object 



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# File 'lib/mdless/colors.rb', line 60

def blackout(bgcolor)
  key = bgcolor.to_sym
  bg = COLORS.key?(key) ? COLORS[key] : 40
  self.gsub(/(^|$)/,"\e[#{bg}m").gsub(/3([89])m/,"#{bg};3\\1m")
end

#c(args) ⇒ Object 



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# File 'lib/mdless/colors.rb', line 109

def c(args)



  out = []

  args.each {|arg|
    if COLORS.key? arg
      out << COLORS[arg]
    end
  }

  if out.size > 0
    "\e[#{out.sort.join(';')}m"
  else
    ''
  end
end

#size_clean ⇒ Object 



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# File 'lib/mdless/colors.rb', line 70

def size_clean
  self.uncolor.size
end

#uncolor ⇒ Object 



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# File 'lib/mdless/colors.rb', line 56

def uncolor
  self.gsub(/\e\[[\d;]+m/,'')
end

#uncolor! ⇒ Object 



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# File 'lib/mdless/colors.rb', line 66

def uncolor!
  self.replace self.uncolor
end

#wrap(width = 78) ⇒ Object 



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# File 'lib/mdless/colors.rb', line 74

def wrap(width=78)

  if self.uncolor =~ /(^([%~] |\s*>)| +[=\-]{5,})/
    return self
  end

  visible_width = 0
  lines = []
  line = ''
  last_ansi = ''

  line += self.match(/^\s*/)[0].gsub(/\t/,'    ')
  input = self.dup # .gsub(/(\w-)(\w)/,'\1 \2')
  input.split(/\s+/).each do |word|
    last_ansi = line.scan(/\e\[[\d;]+m/)[-1] || ''
    if visible_width + word.size_clean >= width
      lines << line + xc
      visible_width = word.size_clean
      line = last_ansi + word
    elsif line.empty?
      visible_width = word.size_clean
      line = last_ansi + word
    else
      visible_width += word.size_clean + 1
      line << " " << last_ansi + word
    end
   end
   lines << line + self.match(/\s*$/)[0] + xc if line
  return lines.join("\n") # .gsub(/\- (\S)/,'-\1')
end

#xc(count = 0) ⇒ Object 



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# File 'lib/mdless/colors.rb', line 105

def xc(count=0)
  c([:x,:white])
end