Put colorize to library directory.

Same as 66299e7ca83d379d13abaa5411f3e0419334cabb

tool/lib/colorize.rb

@@ -0,0 +1,50 @@
+# frozen-string-literal: true
+
+class Colorize
+  def initialize(color = nil, opts = ((_, color = color, nil)[0] if Hash === color))
+    @colors = @reset = nil
+    if color or (color == nil && STDOUT.tty?)
+      if (/\A\e\[.*m\z/ =~ IO.popen("tput smso", "r", :err => IO::NULL, &:read) rescue nil)
+        @beg = "\e["
+        colors = (colors = ENV['TEST_COLORS']) ? Hash[colors.scan(/(\w+)=([^:\n]*)/)] : {}
+        if opts and colors_file = opts[:colors_file]
+          begin
+            File.read(colors_file).scan(/(\w+)=([^:\n]*)/) do |n, c|
+              colors[n] ||= c
+            end
+          rescue Errno::ENOENT
+          end
+        end
+        @colors = colors
+        @reset = "#{@beg}m"
+      end
+    end
+    self
+  end
+
+  DEFAULTS = {
+    "pass"=>"32", "fail"=>"31;1", "skip"=>"33;1",
+    "black"=>"30", "red"=>"31", "green"=>"32", "yellow"=>"33",
+    "blue"=>"34", "magenta"=>"35", "cyan"=>"36", "white"=>"37",
+  }
+
+  def decorate(str, name)
+    if @colors and color = (@colors[name] || DEFAULTS[name])
+      "#{@beg}#{color}m#{str}#{@reset}"
+    else
+      str
+    end
+  end
+
+  DEFAULTS.each_key do |name|
+    define_method(name) {|str|
+      decorate(str, name)
+    }
+  end
+end
+
+if $0 == __FILE__
+  colorize = Colorize.new
+  col = ARGV.shift
+  ARGV.each {|str| puts colorize.decorate(str, col)}
+end