Class: Teapot::Environment::Evaluator

Inherits:
Object
  • Object
show all
Defined in:
lib/teapot/environment/evaluator.rb

Instance Method Summary collapse

Constructor Details

#initialize(environment) ⇒ Evaluator

Returns a new instance of Evaluator.



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# File 'lib/teapot/environment/evaluator.rb', line 24

def initialize(environment)
	@environment = environment
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(name) ⇒ Object 



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# File 'lib/teapot/environment/evaluator.rb', line 28

def method_missing(name)
	object_value(@environment[name])
end

Instance Method Details

#object_value(value) ⇒ Object

Compute the literal object value for a given key:



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# File 'lib/teapot/environment/evaluator.rb', line 33

def object_value(value)
	case value
	when Array
		value.collect{|item| object_value(item)}.flatten
	when Symbol
		object_value(@environment[value])
	when Proc
		object_value(instance_exec(&value))
	when Default
		object_value(value.value)
	when Replace
		object_value(value.value)
	else
		value
	end
end