Class: Castor::Configuration

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/castor/configuration.rb,
lib/castor/configuration/node.rb

Defined Under Namespace

Classes: InvalidValueError, Node

Instance Method Summary collapse

Constructor Details

#initialize(block) ⇒ Configuration

Returns a new instance of Configuration.



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# File 'lib/castor/configuration.rb', line 5

def initialize(block)
  @values = {}
  instance_eval(&block)
  @initialized = true
end

Instance Method Details

#def(name, *args, &block) ⇒ Object 



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# File 'lib/castor/configuration.rb', line 11

def def(name, *args, &block)
  return super(name, *args, block) if @initialized

  options = args.last.is_a?(::Hash) ? args.pop : {}
  config_value = nil

  if options[:nested]
    config_value = Castor::Configuration.new(block)

    selfclass.define_method(name) do 
      config_value
    end
  else
    block = Proc.new {
      default (args.first || options.delete(:lazy))
    } unless block

    config_value = Castor::Configuration::Node.new(name, block)

    selfclass.send(:define_method, name) do
      config_value.value
    end

    selfclass.send(:define_method, "#{name}=") do |args|
      config_value.value = args
    end

    selfclass.send(:define_method, "#{name}!") do
      config_value
    end
  end
  
  @values[name] = config_value
end

#def_many(attributes) ⇒ Object 



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# File 'lib/castor/configuration.rb', line 46

def def_many(attributes)
  attributes.each do |key, value|
    self.def key, value
  end
end

#each(&block) ⇒ Object 



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# File 'lib/castor/configuration.rb', line 56

def each(&block)
  @values.each(&block)
end

#merge(hash) ⇒ Object 



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# File 'lib/castor/configuration.rb', line 60

def merge(hash)
  hash.each do |k, v|
    if self.send(k).is_a?(Castor::Configuration)
      self.send(k).merge(v)
    else
      self.send("#{k}=", v)
    end
  end
end

#selfclass ⇒ Object 



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# File 'lib/castor/configuration.rb', line 52

def selfclass
  class << self; self; end;
end