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#
# Author:: Seth Chisamore (<schisamo@chef.io>)
# Author:: Christopher Maier (<cm@chef.io>)
# Copyright:: Copyright (c) 2013 Opscode, Inc.
# License:: Apache License, Version 2.0
#
# 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.
#
module Mixlib
class Versioning
class Format
# Handles version strings based on {http://guides.rubygems.org/patterns/}
#
# SUPPORTED FORMATS
# -----------------
# ```text
# MAJOR.MINOR.PATCH.PRERELEASE
# MAJOR.MINOR.PATCH.PRERELEASE-ITERATION
# ```
#
# EXAMPLES
# --------
# ```text
# 10.1.1
# 10.1.1.alpha.1
# 10.1.1.beta.1
# 10.1.1.rc.0
# 10.16.2
# ```
#
# @author Seth Chisamore (<schisamo@chef.io>)
# @author Christopher Maier (<cm@chef.io>)
class Rubygems < Format
RUBYGEMS_REGEX = /^(\d+)\.(\d+)\.(\d+)(?:\.([[:alnum:]]+(?:\.[[:alnum:]]+)?))?(?:\-(\d+))?$/
# @see Format#parse
def parse(version_string)
match = version_string.match(RUBYGEMS_REGEX) rescue nil
unless match
fail Mixlib::Versioning::ParseError, "'#{version_string}' is not a valid #{self.class} version string!"
end
@major, @minor, @patch, @prerelease, @iteration = match[1..5]
@major, @minor, @patch, @iteration = [@major, @minor, @patch, @iteration].map(&:to_i)
# Do not convert @build to an integer; SemVer sorting logic will handle the conversion
@prerelease = nil if @prerelease.nil? || @prerelease.empty?
end
end # class Rubygems
end # class Format
end # module Versioning
end # module Mixlib
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