Module: Gemdiff::Colorize

Included in:
CLI
Defined in:
lib/gemdiff/colorize.rb

Constant Summary collapse

COLORS = 
{
  red:     31,
  green:   32,
  yellow:  33,
  blue:    34,
  magenta: 35,
}.freeze

Instance Method Summary collapse

Instance Method Details

#colorize(string, color) ⇒ Object 



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# File 'lib/gemdiff/colorize.rb', line 34

def colorize(string, color)
  "\e[#{to_color_code(color)}m#{string}\e[0m"
end

#colorize_git_output(lines) ⇒ Object

works with ‘git show` and `git diff`



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# File 'lib/gemdiff/colorize.rb', line 15

def colorize_git_output(lines)
  out = lines.split("\n").map do |line|
    if line.start_with?("---", "+++", "diff", "index")
      colorize line, :blue
    elsif line.start_with?("@@")
      colorize line, :magenta
    elsif line.start_with?("commit")
      colorize line, :yellow
    elsif line.start_with?("-")
      colorize line, :red
    elsif line.start_with?("+")
      colorize line, :green
    else
      line
    end
  end
  out.join("\n")
end