Class: Monolens::Lens::Options

Inherits:
Object
  • Object
show all
Includes:
FetchSupport
Defined in:
lib/monolens/lens/options.rb

Constant Summary collapse

NO_DEFAULT = 
Object.new.freeze

Instance Method Summary collapse

Methods included from FetchSupport

#fetch_on

Constructor Details

#initialize(options, registry, signature) ⇒ Options

Returns a new instance of Options.

Raises:

  • (ArgumentError) 


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# File 'lib/monolens/lens/options.rb', line 6

def initialize(options, registry, signature)
  raise ArgumentError if options.nil?
  raise ArgumentError if registry.nil?
  raise ArgumentError if signature.nil?

  @signature = signature
  @registry =  compile_macros(options, registry)
  @options = @signature.dress_options(options, @registry)
end

Instance Method Details

#fetch(key, default = NO_DEFAULT, on = @options) ⇒ Object 



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# File 'lib/monolens/lens/options.rb', line 24

def fetch(key, default = NO_DEFAULT, on = @options)
  if on.key?(key)
    on[key]
  elsif on.key?(s = key.to_s)
    on[s]
  elsif on.key?(sym = key.to_sym)
    on[sym]
  elsif default != NO_DEFAULT
    default
  else
    raise Error, "Missing option #{key}"
  end
end

#lens(arg, registry = @registry) ⇒ Object 



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# File 'lib/monolens/lens/options.rb', line 20

def lens(arg, registry = @registry)
  registry.lens(arg)
end

#to_h ⇒ Object 



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# File 'lib/monolens/lens/options.rb', line 38

def to_h
  @options.dup
end