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Contents?: true
Size: 1.8 KB
Versions: 5
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Stored size: 1.8 KB
Contents
class Evil::Client
# Class-level methods
module Dictionary
include Enumerable
# Exception to be risen when item cannot be found in a dictionary
Error = Class.new(ArgumentError)
# Raw data for the dictionary items
# @return [String]
def raw
@raw ||= []
end
# List of the dictionary items
# @return [Array<Evil::Client::Dictionary>]
def all
@all ||= raw.map { |item| new(item) }
end
# Iterates by dictionary items
# @return [Enumerator<Evil::Client::Dictionary>]
def each
block_given? ? all.each { |item| yield(item) } : all.to_enum
end
# Calls the item and raises when it is not in the dictionary
#
# @param [Evil::Client::Dictionary] item
# @return [Evil::Client::Dictionary]
# @raise [Evil::Client::Dictionary::Error]
#
def call(item)
return item if all.include? item
raise Error, "#{item} is absent in the dictionary #{self}"
end
# Alias for [.call]
#
# @param [Evil::Client::Dictionary] item
# @return [Evil::Client::Dictionary]
# @raise [Evil::Client::Dictionary::Error]
#
def [](item)
call(item)
end
class << self
# Loads [#raw] dictionary from YAML config file
#
# @param [String] path
# @return [self]
#
def [](path)
file, paths = path.to_s.split("#")
list = YAML.load_file(file)
keys = paths.to_s.split("/").map(&:to_sym)
@raw = keys.any? ? Hash(list).dig(*keys) : list
self
end
private
def extended(klass)
super
klass.send :instance_variable_set, :@raw, @raw.to_a
@raw = nil
end
def included(klass)
super
klass.send :define_method, :raw, &@raw.method(:to_a)
@raw = nil
end
end
end
end
Version data entries
5 entries across 5 versions & 1 rubygems