Class: Hash

Inherits:
Object show all
Defined in:
lib/awein/hash.rb

Instance Method Summary collapse

Instance Method Details

#clean ⇒ Object 



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# File 'lib/awein/hash.rb', line 18

def clean
  each do |k, v|
    if v.is_a?(Hash)
      v.clean
    elsif v.to_s.empty?
      delete(k)
    end
  end
end

#evaluate(*args) ⇒ Object 



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# File 'lib/awein/hash.rb', line 2

def evaluate(*args)
  options = {:default => nil}.merge(args.last.is_a?(Hash) ? args.pop : {})
  target = self # Initial target is self.
  while target && key = args.shift
    target = target[key]
  end

  return target if target
  return options[:default]
end

#get(*keys) ⇒ Object 



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# File 'lib/awein/hash.rb', line 13

def get(*keys)
  return nil if keys.blank?
  self.fetch keys.shift, self.get(*keys)
end

#symbolize_keys_recursive ⇒ Object 



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# File 'lib/awein/hash.rb', line 28

def symbolize_keys_recursive
  inject({}) do |options, (key, value)|
    value = value.symbolize_keys_recursive if value.instance_of? Hash
    value = value.symbolize_keys_recursive if value.instance_of? Array
    options[key.to_sym || key] = value
    options
  end
end