Module: Musterb::ExtractValues

Included in:
Chain, Evaluator
Defined in:
lib/musterb/extract_values.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.new_context(value, old_context = Musterb::NullExtractor.new) ⇒ Object 



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# File 'lib/musterb/extract_values.rb', line 14

def self.new_context(value, old_context = Musterb::NullExtractor.new)
  case value
  when Hash
    Musterb::HashExtractor.new(value, old_context)
  when nil
    Musterb::NullExtractor.new(old_context)
  else
    Musterb::ObjectExtractor.new(value, old_context)
  end
end

Instance Method Details

#[](symbol) ⇒ Object 



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# File 'lib/musterb/extract_values.rb', line 6

def [](symbol)
  @context[symbol]
end

#chain(symbol) ⇒ Object 



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# File 'lib/musterb/extract_values.rb', line 10

def chain(symbol)
  Musterb::Chain.new self[symbol]
end

#value ⇒ Object 



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# File 'lib/musterb/extract_values.rb', line 2

def value
  @context.value
end