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Versions: 11
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Contents
# frozen_string_literal: true
class Grumlin::Shortcuts::Storage
extend Forwardable
class << self
def [](other)
new(other)
end
def empty
@empty ||= new
end
end
def initialize(storage = {})
@storage = storage
storage.each do |n, s|
add(n, s)
end
end
def_delegator :@storage, :[]
def_delegator :@storage, :include?, :known?
def_delegator :@storage, :keys, :names
def_delegator :self, :__, :g
def ==(other)
@storage == other.storage
end
def add(name, shortcut)
@storage[name] = shortcut
sc = step_class
shortcut_methods_module.define_method(name) do |*args, **params|
next sc.new(name, args: args, params: params, previous_step: self, pool: Grumlin.default_pool)
end
extend_traversal_classes(shortcut) unless shortcut.lazy?
end
def add_from(other)
other.storage.each do |name, shortcut|
add(name, shortcut)
end
end
def __
traversal_start_class.new(pool: Grumlin.default_pool)
end
def traversal_start_class
@traversal_start_class ||= shortcut_aware_class(Grumlin::TraversalStart)
end
def step_class
@step_class ||= shortcut_aware_class(Grumlin::Step)
end
protected
attr_reader :storage
private
def shortcut_methods_module
@shortcut_methods_module ||= begin
shorts = self
Module.new do
define_method :shortcuts do
shorts
end
end
end
end
def shortcut_aware_class(base)
methods = shortcut_methods_module
Class.new(base) do
include methods
end
end
def extend_traversal_classes(shortcut)
m = Module.new do
define_method(shortcut.name, &shortcut.block)
end
step_class.include(m)
traversal_start_class.include(m)
end
end
Version data entries
11 entries across 11 versions & 1 rubygems