Class: PrettyConsoleOutput::Color

Inherits:
Object
  • Object
show all
Defined in:
lib/pretty_console_output/color.rb

Constant Summary collapse

COLOR_CODES = 
{
  black:         30,
  red:           31,
  green:         32,
  yellow:        33,
  blue:          34,
  magenta:       35,
  cyan:          36,
  white:         37,
  light_black:   90,
  light_red:     91,
  light_green:   92,
  light_yellow:  93,
  light_blue:    94,
  light_magenta: 95,
  light_cyan:    96,
  light_white:   97
}.freeze

Instance Method Summary collapse

Constructor Details

#initialize(output) ⇒ Color

Returns a new instance of Color.



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# File 'lib/pretty_console_output/color.rb', line 22

def initialize(output)
  @output = output
end

Instance Method Details

#colorize(obj, color, mode = {}) ⇒ Object 



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# File 'lib/pretty_console_output/color.rb', line 26

def colorize(obj, color, mode={})
  string = obj.to_s

  return string unless colorize?
  return string unless COLOR_CODES[color]

  result = mode[:bold] ? "\e[1;" : "\e[0;"
  result << "4;" unless mode[:underscore].nil?
  result << COLOR_CODES[color].to_s
  result << ";49m#{string}\e[0m"
end

#colorize? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/pretty_console_output/color.rb', line 38

def colorize?
  (@output.respond_to?(:tty?) && @output.tty?)
end