puppetlabs-stdlib/prefix.rb
Krzysztof Wilczynski af5d789e15 First version. Simple prefix function to use within Puppet DSL.
Signed-off-by: Krzysztof Wilczynski <krzysztof.wilczynski@linux.com>
2011-04-26 00:04:10 +01:00

29 lines
644 B
Ruby

#
# prefix.rb
#
module Puppet::Parser::Functions
newfunction(:prefix, :type => :rvalue, :doc => <<-EOS
EOS
) do |arguments|
# Technically we support two arguments but only first is mandatory ...
raise(Puppet::ParseError, "prefix(): Wrong number of arguments " +
"given (#{arguments.size} for 1)") if arguments.size < 1
array = arguments[0]
if not array.is_a?(Array)
raise(Puppet::ParseError, 'prefix(): Requires an array to work with')
end
prefix = arguments[1] if arguments[1]
result = array.collect { |i| prefix ? prefix + i : i }
return result
end
end
# vim: set ts=2 sw=2 et :