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# Encoding: utf-8

# Cloud Foundry Java Buildpack

# Copyright 2013 the original author or authors.

#

# Licensed under the Apache License, Version 2.0 (the "License");

# you may not use this file except in compliance with the License.

# You may obtain a copy of the License at

#

# http://www.apache.org/licenses/LICENSE-2.0

#

# Unless required by applicable law or agreed to in writing, software

# distributed under the License is distributed on an "AS IS" BASIS,

# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

# See the License for the specific language governing permissions and

# limitations under the License.

# A mixin that adds the ability to turn a +String+ into a constant.

class String

# Tries to find a constant with the name specified by this +String+:

#

# "Module".constantize # => Module

# "Test::Unit".constantize # => Test::Unit

#

# The name is assumed to be the one of a top-level constant, no matter whether

# it starts with "::" or not. No lexical context is taken into account:

#

# C = 'outside'

# module M

# C = 'inside'

# C # => 'inside'

# "C".constantize # => 'outside', same as ::C

# end

#

# @return [String] The constantized rendering of this +String+.

# @raise NameError if the name is not in CamelCase or the constant is unknown.

def constantize

names = split('::')

names.shift if names.empty? || names.first.empty?

constant = Object

names.each do |name|

constant = constant.const_defined?(name, false) ? constant.const_get(name) : constant.const_missing(name)

end

constant

end

end