2016-02-19 18:09:49 +01:00

46 lines
1.5 KiB
Ruby

#
# Copyright 2015-2016, Noah Kantrowitz
#
# 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.
#
require 'pathname'
module PoiseService
# Utility methods for PoiseService.
#
# @api public
# @since 1.0.0
module Utils
# Methods are also available as module-level methods as well as a mixin.
extend self
# Common segments to ignore
COMMON_SEGMENTS = %w{var www current etc}.inject({}) {|memo, seg| memo[seg] = true; memo }
# Parse the service name from a path. Look at the last component of the
# path, ignoring some common names.
#
# @param path [String] Path to parse.
# @return [String]
# @example
# attribute(:service_name, kind_of: String, default: lazy { PoiseService::Utils.parse_service_name(path) })
def parse_service_name(path)
parts = Pathname.new(path).each_filename.to_a.reverse!
# Find the last segment not in common segments, fall back to the last segment.
parts.find {|seg| !COMMON_SEGMENTS[seg] } || parts.first
end
end
end