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:, value: nil) ⇒ Literal

Returns a new instance of Literal.



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

def initialize(type:, value: nil)
  @type = type
  @value = value
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

#value ⇒ Object (readonly)

Returns the value of attribute value.



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

def value
  @value
end

Instance Method Details

#test_node(node) ⇒ Object 



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

def test_node(node)
  case node&.type
  when :int
    return false unless type == :int || type == :number
    if value
      value == node.children.first
    else
      true
    end

  when :float
    return false unless type == :float || type == :number
    if value
      value == node.children.first
    else
      true
    end

  when :true
    type == :bool && (value == nil || value == true)

  when :false
    type == :bool && (value == nil || value == false)

  when :str
    return false unless type == :string
    if value
      value == node.children.first
    else
      true
    end

  when :sym
    return false unless type == :symbol
    if value
      value == node.children.first
    else
      true
    end

  end
end