1 files changed, 52 insertions, 0 deletions
diff --git a/Library/Homebrew/utils/formatter.rb b/Library/Homebrew/utils/formatter.rb
new file mode 100644
index 000000000..cb4f041f4
--- /dev/null
+++ b/Library/Homebrew/utils/formatter.rb
@@ -0,0 +1,52 @@
+require "utils/tty"
+
+module Formatter
+  module_function
+
+  def arrow(string, color: nil)
+    prefix("==>", string, color)
+  end
+
+  def headline(string, color: nil)
+    arrow("#{Tty.bold}#{string}#{Tty.reset}", color: color)
+  end
+
+  def identifier(string)
+    "#{Tty.green}#{string}#{Tty.reset}"
+  end
+
+  def success(string, label: nil)
+    label(label, string, :green)
+  end
+
+  def warning(string, label: nil)
+    label(label, string, :yellow)
+  end
+
+  def error(string, label: nil)
+    label(label, string, :red)
+  end
+
+  def url(string)
+    "#{Tty.underline}#{string}#{Tty.no_underline}"
+  end
+
+  def label(label, string, color)
+    label = "#{label}:" unless label.nil?
+    prefix(label, string, color)
+  end
+  private_class_method :label
+
+  def prefix(prefix, string, color)
+    if prefix.nil? && color.nil?
+      string
+    elsif prefix.nil?
+      "#{Tty.send(color)}#{string}#{Tty.reset}"
+    elsif color.nil?
+      "#{prefix} #{string}"
+    else
+      "#{Tty.send(color)}#{prefix}#{Tty.reset} #{string}"
+    end
+  end
+  private_class_method :prefix
+end