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snake_case.rb
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31 lines (28 loc) · 1.04 KB
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# Encoding: utf-8
# Cloud Foundry Java Buildpack
# Copyright 2013-2016 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 snake case
class String
# Converts a string to snake case. For example, the Spring +SnakeCase+ would become +snake_case+.
#
# @return [String] The snake case rendering of this +String+
def snake_case
gsub(/::/, '/')
.gsub(/([A-Z]+)([A-Z][a-z])/, '\1_\2')
.gsub(/([a-z\d])([A-Z])/, '\1_\2')
.tr('-', '_')
.downcase
end
end