Class: FilterParam::AST::Literal

Inherits:

Node

• Object
• Node
• FilterParam::AST::Literal

Defined in:

lib/filter_param/ast/literal.rb

Direct Known Subclasses

FilterParam::AST::Literals::Boolean, FilterParam::AST::Literals::Date, FilterParam::AST::Literals::Integer, FilterParam::AST::Literals::Null, FilterParam::AST::Literals::String

Instance Attribute Summary

• #value ⇒ Object

  Returns the value of attribute value.

Instance Method Summary

• #initialize(value = nil) ⇒ Literal constructor

  A new instance of Literal.

• #type_cast(type) ⇒ Object

Methods inherited from Node

#accept

Constructor Details

#initialize(value = nil) ⇒ Literal

Returns a new instance of Literal.

# File 'lib/filter_param/ast/literal.rb', line 6

def initialize(value = nil)
  @value = value
end

Instance Attribute Details

#value ⇒ Object

Returns the value of attribute value.

# File 'lib/filter_param/ast/literal.rb', line 4

def value
  @value
end

Instance Method Details

#type_cast(type) ⇒ Object

Raises:

• (InvalidLiteral)

# File 'lib/filter_param/ast/literal.rb', line 10

def type_cast(type)
  return self if type.blank?

  cast_method = "to_#{type}"
  return send(cast_method) if respond_to?(cast_method, true)

  raise InvalidLiteral.new("Cannot cast '#{value}' to #{type}")
end