Sha256: 1c5ca0be2cd0b4cd9199f13c995b998b34d7ebec096926628091ce6b40f5e08d
Contents?: true
Size: 1.38 KB
Versions: 7
Compression:
Stored size: 1.38 KB
Contents
# frozen_string_literal: true
require 'dry/configurable/constants'
require 'dry/configurable/setting'
require 'dry/configurable/settings'
require 'dry/configurable/compiler'
require 'dry/configurable/dsl/args'
module Dry
module Configurable
# Setting DSL used by the class API
#
# @api private
class DSL
VALID_NAME = /\A[a-z_]\w*\z/i.freeze
# @api private
attr_reader :compiler
# @api private
attr_reader :ast
# @api private
def initialize(&block)
@compiler = Compiler.new
@ast = []
instance_exec(&block) if block
end
# Register a new setting node and compile it into a setting object
#
# @see ClassMethods.setting
# @api public
# @return Setting
def setting(name, *args, &block)
unless VALID_NAME.match?(name.to_s)
raise ArgumentError, "#{name} is not a valid setting name"
end
args = Args.new(args)
args.ensure_valid_options
default, opts = args
node = [:setting, [name.to_sym, default, opts == default ? EMPTY_HASH : opts]]
if block
if block.arity.zero?
ast << [:nested, [node, DSL.new(&block).ast]]
else
ast << [:constructor, [node, block]]
end
else
ast << node
end
compiler.visit(ast.last)
end
end
end
end
Version data entries
7 entries across 7 versions & 2 rubygems