Class: Amalgalite::Boolean

Inherits:
Object
  • Object
show all
Defined in:
lib/amalgalite/boolean.rb

Overview

Do type conversion on values that could be boolen values into real ‘true’ or ‘false’

This is pulled from the possible boolean values from PostgreSQL

Class Method Summary collapse

Class Method Details

.false_values ⇒ Object

list of downcased strings are potential false values



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# File 'lib/amalgalite/boolean.rb', line 24

def false_values
  @false_values ||= %w[ false f no n 0 ]
end

.to_bool(val) ⇒ Object

Convert val to a string and attempt to convert it to true or false



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# File 'lib/amalgalite/boolean.rb', line 31

def to_bool( val )
  return false if val.nil?
  unless defined? @to_bool
    @to_bool = {}
    true_values.each  { |t| @to_bool[t] = true  }
    false_values.each { |f| @to_bool[f] = false }
  end
  return @to_bool[val.to_s.downcase]
end

.true_values ⇒ Object

list of downcased strings are potential true values



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# File 'lib/amalgalite/boolean.rb', line 17

def true_values
  @true_values ||= %w[ true t yes y 1 ]
end