Class: Querly::Pattern::Expr::Literal

Inherits:
Base
  • Object
show all
Defined in:
lib/querly/pattern/expr.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Base

#==, #=~, #attributes

Constructor Details

#initialize(type:, values: nil) ⇒ Literal

Returns a new instance of Literal.



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# File 'lib/querly/pattern/expr.rb', line 86

def initialize(type:, values: nil)
  @type = type
  @values = values ? Array(values) : nil
end

Instance Attribute Details

#type ⇒ Object (readonly)

Returns the value of attribute type.



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# File 'lib/querly/pattern/expr.rb', line 83

def type
  @type
end

#values ⇒ Object (readonly)

Returns the value of attribute values.



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# File 'lib/querly/pattern/expr.rb', line 84

def values
  @values
end

Instance Method Details

#test_node(node) ⇒ Object 



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# File 'lib/querly/pattern/expr.rb', line 103

def test_node(node)
  case node&.type
  when :int
    return false unless type == :int || type == :number
    test_value(node.children.first)

  when :float
    return false unless type == :float || type == :number
    test_value(node.children.first)

  when :true
    type == :bool && (values == nil || values == [true])

  when :false
    type == :bool && (values == nil || values == [false])

  when :str
    return false unless type == :string
    test_value(node.children.first)

  when :sym
    return false unless type == :symbol
    test_value(node.children.first)

  when :regexp
    return false unless type == :regexp
    test_value(node.children.first)

  end
end

#test_value(object) ⇒ Object 



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# File 'lib/querly/pattern/expr.rb', line 95

def test_value(object)
  if values
    values.any? {|value| value === object }
  else
    true
  end
end

#with_values(values) ⇒ Object 



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# File 'lib/querly/pattern/expr.rb', line 91

def with_values(values)
  self.class.new(type: type, values: values)
end