Class: NullProperty

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

Constant Summary collapse

@@base_values = 
[{}, [], "", 0, 0.0, nil]

Instance Method Summary collapse

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(name, *params) ⇒ Object 



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# File 'lib/yaml_config/null_property.rb', line 40

def method_missing(name, *params)
  @@base_values.each do |val|
    return val.send(name, *params) if val.respond_to?(name)
  end
  super
end

Instance Method Details

#==(val) ⇒ Object 



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# File 'lib/yaml_config/null_property.rb', line 24

def ==(val)
  super || @@base_values.any? { |v| v == val }
end

#[](key) ⇒ Object 



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# File 'lib/yaml_config/null_property.rb', line 28

def [](key)
  NullProperty.new
end

#instance_of?(klass) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/yaml_config/null_property.rb', line 32

def instance_of?(klass)
  super || @@base_values.any? { |v| v.instance_of?(klass) }
end

#nil? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/yaml_config/null_property.rb', line 20

def nil?
  true
end

#respond_to?(method) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/yaml_config/null_property.rb', line 36

def respond_to?(method)
  super || @@base_values.any? { |v| v.respond_to?(method) }
end

#to_a ⇒ Object 



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# File 'lib/yaml_config/null_property.rb', line 16

def to_a
  []
end

#to_f ⇒ Object 



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# File 'lib/yaml_config/null_property.rb', line 12

def to_f
  0.0
end

#to_i ⇒ Object 



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# File 'lib/yaml_config/null_property.rb', line 8

def to_i
  0
end

#to_s ⇒ Object 



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# File 'lib/yaml_config/null_property.rb', line 4

def to_s
  ""
end