Class: HashWithQuickAccess

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

Defined Under Namespace

Modules: ConvenienceMethod

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(hash) ⇒ HashWithQuickAccess

Returns a new instance of HashWithQuickAccess.



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# File 'lib/hash_with_quick_access.rb', line 6

def initialize(hash)
  @hash = hash
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(key, *args, &block) ⇒ Object 



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# File 'lib/hash_with_quick_access.rb', line 10

def method_missing(key, *args, &block)
  value = if key?(key)
            fetch_possibly_decorated_value(key)
          elsif hash.respond_to?(key)
            delegate_and_decorate(key, *args, &block)
          else
            fail KeyError, "key :#{key} was not found"
          end

  if !hash.respond_to?(key)
    define_singleton_method(key) { value }
  end

  value
end

Class Method Details

.add_convenience_method_to_hash! ⇒ Object 



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# File 'lib/hash_with_quick_access.rb', line 2

def self.add_convenience_method_to_hash!
  Hash.send(:include, ConvenienceMethod)
end

Instance Method Details

#[](key) ⇒ Object 



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# File 'lib/hash_with_quick_access.rb', line 34

def [](key)
  send(key)
end

#keys ⇒ Object 



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# File 'lib/hash_with_quick_access.rb', line 30

def keys
  hash.keys.map(&:to_sym)
end

#respond_to?(method_name, include_private = false) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/hash_with_quick_access.rb', line 26

def respond_to?(method_name, include_private = false)
  key?(method_name) || super
end