Class: TSJSON::LiteralUnion

Inherits:
Base
  • Object
show all
Defined in:
lib/types/literal_union.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Base

#compile, #index, #property, #valid?

Constructor Details

#initialize(types = []) ⇒ LiteralUnion

Returns a new instance of LiteralUnion.



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# File 'lib/types/literal_union.rb', line 5

def initialize(types = [])
  types.each { |t| validate_type!(t) }

  @types = types
end

Instance Attribute Details

#types ⇒ Object (readonly)

Returns the value of attribute types.



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# File 'lib/types/literal_union.rb', line 3

def types
  @types
end

Instance Method Details

#has?(type) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/types/literal_union.rb', line 17

def has?(type)
  @types.include?(type)
end

#push_type(type) ⇒ Object 



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# File 'lib/types/literal_union.rb', line 11

def push_type(type)
  validate_type!(type)
  return self if types.include?(type)
  return LiteralUnion.new(@types.dup.push(type))
end

#size ⇒ Object 



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# File 'lib/types/literal_union.rb', line 21

def size
  @types.size
end

#to_json ⇒ Object 



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# File 'lib/types/literal_union.rb', line 44

def to_json
  @types.map(&:value)
end

#to_s ⇒ Object 



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# File 'lib/types/literal_union.rb', line 40

def to_s
  @types.map(&:to_s).join(' | ')
end

#validate(value) ⇒ Object

Raises:



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# File 'lib/types/literal_union.rb', line 31

def validate(value)
  @types.each { |type| return true if type.valid?(value) }

  raise LiteralUnionValidationError.new(
          expected_values: @types.map(&:value),
          received_value: value
        )
end

#validate_type!(type) ⇒ Object 



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# File 'lib/types/literal_union.rb', line 25

def validate_type!(type)
  unless type.is_a?(Literal)
    raise 'LiteralUnion may contain only Literal types'
  end
end