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
8 **Deprecated:** Converts the case of a string or all strings in an array to lower case.
10 > *Note:* **Deprecated** from Puppet 6.0.0, this function has been replaced with a
11 built-in [`downcase`](https://puppet.com/docs/puppet/latest/function.html#downcase) function.
13 This function is an implementation of a Ruby class and might not be UTF8 compatible.
14 To ensure compatibility, use this function with Ruby 2.4.0 or greater.
16 @return [String] The converted String, if it was a String that was given
17 @return [Array[String]] The converted Array, if it was a Array that was given
21 raise(Puppet::ParseError, "downcase(): Wrong number of arguments given (#{arguments.size} for 1)") if arguments.empty?
25 unless value.is_a?(Array) || value.is_a?(String)
26 raise(Puppet::ParseError, 'downcase(): Requires either array or string to work with')
29 result = if value.is_a?(Array)
30 # Numbers in Puppet are often string-encoded which is troublesome ...
31 value.map { |i| i.is_a?(String) ? i.downcase : i }
40 # vim: set ts=2 sw=2 et :