lib/cliutils/ext/string_extensions.rb in cliutils-1.3.1 vs lib/cliutils/ext/string_extensions.rb in cliutils-1.4.0

@@ -1,20 +1,28 @@
 #  String Class extensions
 class String
+  # Makes the associated string blue.
+  # @return [void]
+  def blue
+    colorize(34)
+  end
+
+  # Converts a snake_case string to its
+  # CamelCase variant.
+  # @return [String]
+  def camelize
+    return self if self !~ /_/ && self =~ /[A-Z]+.*/
+    split('_').map{|e| e.capitalize}.join
+  end
+
   # Outputs a string in a formatted color.
   # @param [<Integer, String>] color_code The code to use
   # @return [void]
   def colorize(color_code)
     "\033[#{ color_code }m#{ self }\033[0m"
   end
 
-  # Makes the associated string blue.
-  # @return [void]
-  def blue
-    colorize(34)
-  end
-
   # Makes the associated string cyan.
   # @return [void]
   def cyan
     colorize(36)
   end
@@ -33,9 +41,19 @@
 
   # Makes the associated string red.
   # @return [void]
   def red
     colorize(31)
+  end
+
+  # Converts a CamelCase string to its
+  # snake_case variant.
+  # @return [String]
+  def snakify
+    return downcase if match(/\A[A-Z]+\z/)
+    gsub(/([A-Z]+)([A-Z][a-z])/, '\1_\2').
+    gsub(/([a-z])([A-Z])/, '\1_\2').
+    downcase
   end
 
   # Makes the associated string white.
   # @return [void]
   def white