Class: SafeYAML::Transform

Inherits:
Object
  • Object
show all
Defined in:
lib/safe_yaml/transform.rb

Constant Summary collapse

OPTIONS = 
{
  :enable_symbol_parsing => false
}
PREDEFINED_VALUES = 
{
  ""      => nil,
  "~"     => nil,
  "null"  => nil,
  "yes"   => true,
  "on"    => true,
  "true"  => true,
  "no"    => false,
  "off"   => false,
  "false" => false
}.freeze
SYMBOL_MATCHER = 
/^:\w+$/.freeze
INTEGER_MATCHER = 
/^\d+$/.freeze
FLOAT_MATCHER = 
/^(?:\d+(?:\.\d*)?$)|(?:^\.\d+$)/.freeze
DATE_MATCHER = 
/^\d{4}\-\d{2}\-\d{2}$/.freeze

Class Method Summary collapse

Class Method Details

.to_proper_type(value) ⇒ Object 



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# File 'lib/safe_yaml/transform.rb', line 27

def self.to_proper_type(value)
  if value.is_a?(String)
    if PREDEFINED_VALUES.include?(value.downcase)
      return PREDEFINED_VALUES[value.downcase]

    elsif OPTIONS[:enable_symbol_parsing] && value.match(SYMBOL_MATCHER)
      return value[1..-1].to_sym

    elsif value.match(INTEGER_MATCHER)
      return value.to_i

    elsif value.match(FLOAT_MATCHER)
      return value.to_f

    elsif value.match(DATE_MATCHER)
      date = Date.parse(value) rescue nil
      return date if date
    end
  end

  value
end