Class: Module

Inherits:
Object
  • Object
show all
Defined in:
lib/ventouse/module_declarations.rb

Instance Method Summary collapse

Instance Method Details

#declarations(&blk) ⇒ Object

Usage:

class Model
  module ModelAspect
    declarations do
      has_many :aspect_details
      validates_presence_of :main_aspect
      etc
    end
  end
end



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# File 'lib/ventouse/module_declarations.rb', line 13

def declarations &blk
  unless @declaration_blocks
    @declaration_blocks = []

    def self.included mod
      case mod
        when Class
          @declaration_blocks.each {|b| mod.class_eval &b }
        when Module
          @declaration_blocks.each {|b| mod.declarations &b }
      end
    rescue Exception => ex # When autoloading, you never see real exception unless this rescue
      puts ex.message
      puts ex.backtrace.join("\n")
      raise ex
    end
  end

  @declaration_blocks << blk
end