3 # Please note: This function is an implementation of a Ruby class and as such may not be entirely UTF8 compatible. To ensure compatibility please use this function with Ruby 2.4.0 or greater - https://bugs.ruby-lang.org/issues/10085.
5 module Puppet::Parser::Functions
6 newfunction(:downcase, :type => :rvalue, :doc => <<-DOC
7 Converts the case of a string or all strings in an array to lower case.
9 Note: from Puppet 6.0.0, the compatible function with the same name in Puppet core
10 will be used instead of this function.
14 raise(Puppet::ParseError, "downcase(): Wrong number of arguments given (#{arguments.size} for 1)") if arguments.empty?
18 unless value.is_a?(Array) || value.is_a?(String)
19 raise(Puppet::ParseError, 'downcase(): Requires either array or string to work with')
22 result = if value.is_a?(Array)
23 # Numbers in Puppet are often string-encoded which is troublesome ...
24 value.map { |i| i.is_a?(String) ? i.downcase : i }
33 # vim: set ts=2 sw=2 et :