Class: Ruby::Rego::ArrayValue

Inherits:
Value
  • Object
show all
Defined in:
lib/ruby/rego/value.rb

Overview

Represents an array value.

Constant Summary collapse

TYPE_NAME = 
"array"

Instance Attribute Summary

Attributes inherited from Value

#value

Instance Method Summary collapse

Methods inherited from Value

#==, from_ruby, #hash, #object_key, #truthy?, #type_name, #undefined?

Constructor Details

#initialize(elements) ⇒ ArrayValue

Create an array value.

Parameters:

  • elements (Array<Object>) —

    elements to wrap



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# File 'lib/ruby/rego/value.rb', line 238

def initialize(elements)
  @elements = elements.map { |element| Value.from_ruby(element) }
  super(@elements)
end

Instance Method Details

#fetch_index(index) ⇒ Value

Fetch an element by index.

Parameters:

  • index (Integer) —

    array index

Returns:

  • (Value) —

    element or undefined



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# File 'lib/ruby/rego/value.rb', line 247

def fetch_index(index)
  return UndefinedValue.new unless index.is_a?(Integer)

  @elements[index] || UndefinedValue.new
end

#fetch_reference(key) ⇒ Value

Resolve a reference for an array.

Parameters:

  • key (Object) —

    index value

Returns:

  • (Value) —

    element or undefined



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# File 'lib/ruby/rego/value.rb', line 257

def fetch_reference(key)
  fetch_index(key)
end

#to_ruby ⇒ Array<Object>

Convert the array back to Ruby.

Returns:

  • (Array<Object>) 


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# File 'lib/ruby/rego/value.rb', line 264

def to_ruby
  @elements.map(&:to_ruby)
end