Module: Nuggets::ANSIColor2CSS

Extended by:
ANSIColor2CSS
Included in:
ANSIColor2CSS
Defined in:
lib/nuggets/ansicolor2css.rb

Constant Summary collapse

ATTRIBUTES = 
{
    '0' => nil,                              # clear
    '1' => 'font-weight: bold',              # bold
    '2' => '',                               # dark
    '3' => 'font-style: italic',             # italic -- not widely implemented
    '4' => 'text-decoration: underline',     # underline
    '5' => 'text-decoration: blink',         # blink
    '6' => 'text-decoration: blink',         # rapid blink -- not widely implemented
    '7' => '',                               # reverse
    '8' => 'opacity: 0',                     # concealed
    '9' => 'text-decoration: line-through',  # strikethrough -- not widely implemented
   '22' => 'font-weight: normal',            # bold off
   '23' => 'font-style: normal',             # italic off
   '24' => 'text-decoration: none',          # underline off
   '25' => 'text-decoration: none',          # blink off
   '27' => '',                               # reverse off
   '28' => 'opacity: 1',                     # concealed off
   '29' => 'text-decoration: none',          # strikethrough off
   '30' => 'color: black',                   # black
   '31' => 'color: maroon',                  # red
   '32' => 'color: green',                   # green
   '33' => 'color: olive',                   # yellow
   '34' => 'color: navy',                    # blue
   '35' => 'color: purple',                  # magenta
   '36' => 'color: teal',                    # cyan
   '37' => 'color: silver',                  # white
   '39' => 'color: silver',                  # default (white)
   '40' => 'background-color: black',        # on black
   '41' => 'background-color: maroon',       # on red
   '42' => 'background-color: green',        # on green
   '43' => 'background-color: olive',        # on yellow
   '44' => 'background-color: navy',         # on blue
   '45' => 'background-color: purple',       # on magenta
   '46' => 'background-color: teal',         # on cyan
   '47' => 'background-color: silver',       # on white
   '49' => 'background-color: black',        # on default (black)
   '90' => 'color: gray',                    # bright black
   '91' => 'color: red',                     # bright red
   '92' => 'color: lime',                    # bright green
   '93' => 'color: yellow',                  # bright yellow
   '94' => 'color: blue',                    # bright blue
   '95' => 'color: fuchsia',                 # bright magenta
   '96' => 'color: cyan',                    # bright cyan
   '97' => 'color: white',                   # bright white
  '100' => 'background-color: gray',         # on bright black
  '101' => 'background-color: red',          # on bright red
  '102' => 'background-color: lime',         # on bright green
  '103' => 'background-color: yellow',       # on bright yellow
  '104' => 'background-color: blue',         # on bright blue
  '105' => 'background-color: fuchsia',      # on bright magenta
  '106' => 'background-color: cyan',         # on bright cyan
  '107' => 'background-color: white'         # on bright white
}
ATTRIBUTES_RE = 
::Regexp.union(*ATTRIBUTES.keys)
DELIMITER = 
';'
COLOR_RE = 
%r{
  \e \[ ( #{ATTRIBUTES_RE} (?: #{DELIMITER} #{ATTRIBUTES_RE} )* ) m
}x
STYLE = 
'<span style="%s">'
CLEAR = 
'</span>'

Instance Method Summary collapse

Instance Method Details

#clear(attributes) ⇒ Object 



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# File 'lib/nuggets/ansicolor2css.rb', line 105

def clear(attributes)
  CLEAR if attributes.delete('0')
end

#convert(string) ⇒ Object 



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# File 'lib/nuggets/ansicolor2css.rb', line 97

def convert(string)
  string.gsub(COLOR_RE) { format($1.split(DELIMITER).uniq) }
end

#format(attributes) ⇒ Object 



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# File 'lib/nuggets/ansicolor2css.rb', line 101

def format(attributes)
  "#{clear(attributes)}#{style(attributes) if attributes.any?}"
end

#style(attributes) ⇒ Object 



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# File 'lib/nuggets/ansicolor2css.rb', line 109

def style(attributes)
  STYLE % ATTRIBUTES.values_at(*attributes).join('; ')
end