class CategoricalPredicate

# File lib/categorical_predicate.rb, line 7
def initialize(pred_xml)
  attributes = pred_xml.attributes
  @field = attributes['field'].value.to_sym
  @array = pred_xml.children[0].content.tr('"', '').split('   ')
  @operator = attributes['booleanOperator'].value
end

# File lib/categorical_predicate.rb, line 19
def format_boolean(features)
  features[@field] = 'f' if features[@field] == false
  features[@field] = 't' if features[@field] == true
end

# File lib/categorical_predicate.rb, line 14
def true?(features)
  format_boolean(features)
  @array.include? features[@field] if @operator == IS_IN
end