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#
# 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 => <<-EOS
Converts the case of a string or all strings in an array to camel case.
EOS
) do |arguments|
raise(Puppet::ParseError, "camelcase(): Wrong number of arguments given (#{arguments.size} for 1)") if arguments.size < 1
value = arguments[0]
klass = value.class
unless [Array, String].include?(klass)
raise(Puppet::ParseError, 'camelcase(): Requires either array or string to work with')
end
if value.is_a?(Array)
# Numbers in Puppet are often string-encoded which is troublesome ...
result = value.collect { |i| i.is_a?(String) ? i.split('_').map{|e| e.capitalize}.join : i }
else
result = value.split('_').map{|e| e.capitalize}.join
end
return result
end
end
# vim: set ts=2 sw=2 et :
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