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Contents
#--
# Copyright (c) 2008 Jeremy Hinegardner
# All rights reserved. See LICENSE and/or COPYING for details.
#++
module Amalgalite
##
# 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 Boolean
class << self
#
# list of downcased strings are potential true values
#
def true_values
@true_values ||= %w[ true t yes y 1 ]
end
#
# list of downcased strings are potential false values
#
def false_values
@false_values ||= %w[ false f no n 0 ]
end
#
# Convert +val+ to a string and attempt to convert it to +true+ or +false+
#
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
end
end
end
Version data entries
73 entries across 73 versions & 2 rubygems