Module: StepSequencer::Refinements::StringConstantize
- Defined in:
- lib/step_sequencer/refinements.rb
Overview
String#constantize
comes from activesupport
Instance Method Summary collapse
Instance Method Details
#constantize ⇒ Object
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# File 'lib/step_sequencer/refinements.rb', line 94 def constantize names = self.split("::".freeze) # 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(constant) do |const, ancestor| break const if ancestor == Object break ancestor if ancestor.const_defined?(name, false) const end # owner is in Object, so raise constant.const_get(name, false) end end end |