class String
Extensions to the String
class rubocop:disable Metrics/AbcSize rubocop:disable Metrics/CyclomaticComplexity rubocop:disable Metrics/MethodLength rubocop:disable Metrics/PerceivedComplexity
Public Instance Methods
constantize()
click to toggle source
# File lib/ext/string.rb, line 7 def constantize names = split('::') # Trigger a built-in NameError exception including the # ill-formed constant in the message. Object.const_get(self) if names.empty? # Remove the first blank element in case of '::ClassName' notation. names.shift if names.size > 1 && names.first.empty? names.inject(Object) do |constant, name| if constant == Object constant.const_get(name) else candidate = constant.const_get(name) next candidate if constant.const_defined?(name, false) next candidate unless Object.const_defined?(name) # Go down the ancestors to check if it is owned directly. The check # stops when we reach Object or the end of ancestors tree. constant = constant.ancestors.inject do |const, ancestor| break const if ancestor == Object break ancestor if ancestor.const_defined?(name, false) end # owner is in Object, so raise constant.const_get(name, false) end end end