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# frozen_string_literal: true
#
# any2bool.rb
#
module Puppet::Parser::Functions
newfunction(:any2bool, type: :rvalue, doc: <<-DOC
@summary
Converts 'anything' to a boolean.
In practise it does the following:
* Strings such as Y,y,1,T,t,TRUE,yes,'true' will return true
* Strings such as 0,F,f,N,n,FALSE,no,'false' will return false
* Booleans will just return their original value
* Number (or a string representation of a number) > 0 will return true, otherwise false
* undef will return false
* Anything else will return true
Also see the built-in [`Boolean.new`](https://puppet.com/docs/puppet/latest/function.html#conversion-to-boolean)
function.
@return [Boolean] The boolean value of the object that was given
DOC
) do |arguments|
raise(Puppet::ParseError, "any2bool(): Wrong number of arguments given (#{arguments.size} for 1)") if arguments.empty?
# If argument is already Boolean, return it
return arguments[0] if !!arguments[0] == arguments[0] # rubocop:disable Style/DoubleNegation : Could not find a better way to check if a boolean
arg = arguments[0]
return false if arg.nil?
return false if arg == :undef
valid_float = begin
!!Float(arg) # rubocop:disable Style/DoubleNegation : Could not find a better way to check if a boolean
rescue StandardError
false
end
return function_num2bool([arguments[0]]) if arg.is_a?(Numeric)
if arg.is_a?(String)
return function_num2bool([arguments[0]]) if valid_float
return function_str2bool([arguments[0]])
end
return true
end
end
# vim: set ts=2 sw=2 et :
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