Module: Kernel

Defined in:
lib/imparcial/extension.rb

Instance Method Summary collapse

Instance Method Details

#check_options(expected_options, user_options) ⇒ Object 



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# File 'lib/imparcial/extension.rb', line 3

def check_options ( expected_options , user_options )

  # Let's iterate over all user options.

  user_options.each do |user_option, content|
          
    confirmed = false
          
    # Let's iterate over expected options.
          
    expected_options.each_key do |name|
                      
      if name.to_s == user_option.to_s
            
        # Let's verify if content is a collection.
            
        if content.class == Array || content.class == Hash
                
          # If so, we need to check out for content.
                 
          raise StandardError.new('Option ' + name.to_s + ' needs content') if content.length == 0
                
        end
            
        # Yeah, user option matches with expected option.
            
        confirmed = true
        break
            
      end            
          
    end
          
    # If there's a match, we move forward.
          
    if confirmed
          
      confirmed = false
      next
            
    end
          
    # Opss. user has entered with an unknown option.
          
    raise StandardError.new('Cannot find option ' + user_option.to_s)
          
  end
        
  # Let's iterate over all expected and required options.
        
  for name, condition in expected_options
 
    # If this option is not required, we can move forward.
 
    next unless condition == :required
    confirmed = false            
                      
    # Over user's.            
                      
    user_options.each_key do |user_option|

      if name.to_s == user_option.to_s
              
        confirmed = true
        break
              
      end
            
    end
        
    # Alright, user has entered with a necessary option.
        
    if confirmed
          
      confirmed = false
      next
            
    end
          
    # Opss... user need to provide a required option.
          
    raise StandardError.new('Option ' + name.to_s + ' is necessary')
                  
  end        
            
end