1 files changed, 31 insertions, 0 deletions
diff --git a/code/environments/production/modules/stdlib/lib/puppet/parser/functions/camelcase.rb b/code/environments/production/modules/stdlib/lib/puppet/parser/functions/camelcase.rb
new file mode 100644
index 0000000..fdc54a2
--- /dev/null
+++ b/code/environments/production/modules/stdlib/lib/puppet/parser/functions/camelcase.rb
@@ -0,0 +1,31 @@
+#
+#  camelcase.rb
+#  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.
+#
+module Puppet::Parser::Functions
+  newfunction(:camelcase, :type => :rvalue, :doc => <<-DOC
+    Converts the case of a string or all strings in an array to camel case.
+  DOC
+             ) do |arguments|
+
+    raise(Puppet::ParseError, "camelcase(): Wrong number of arguments given (#{arguments.size} for 1)") if arguments.empty?
+
+    value = arguments[0]
+    klass = value.class
+
+    unless [Array, String].include?(klass)
+      raise(Puppet::ParseError, 'camelcase(): Requires either array or string to work with')
+    end
+
+    result = if value.is_a?(Array)
+               # Numbers in Puppet are often string-encoded which is troublesome ...
+               value.map { |i| i.is_a?(String) ? i.split('_').map { |e| e.capitalize }.join : i }
+             else
+               value.split('_').map { |e| e.capitalize }.join
+             end
+
+    return result
+  end
+end
+
+# vim: set ts=2 sw=2 et :