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Contents
#
# Author:: Fletcher Nichol (<fnichol@nichol.ca>)
#
# Copyright (C) 2012, Fletcher Nichol
#
# 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 "delegate"
module Kitchen
# Delegate class which adds the ability to find single and multiple
# objects by their #name in an Array. Hey, it's better than monkey-patching
# Array, right?
#
# @author Fletcher Nichol <fnichol@nichol.ca>
class Collection < SimpleDelegator
# Returns a single object by its name, or nil if none are found.
#
# @param name [String] name of object
# @return [Object] first match by name, or nil if none are found
def get(name)
__getobj__.find { |i| i.name == name }
end
# Returns a Collection of all objects whose #name is matched by the
# regular expression.
#
# @param regexp [Regexp] a regular expression pattern
# @return [Kitchen::Config::Collection<Object>] a new collection of
# matched objects
def get_all(regexp)
Kitchen::Collection.new(__getobj__.select { |i| i.name =~ regexp })
end
# Returns an Array of names from the collection as strings.
#
# @return [Array<String>] array of name strings
def as_names
__getobj__.map(&:name)
end
end
end
Version data entries
29 entries across 29 versions & 2 rubygems