puppetlabs-stdlib/count.rb
Krzysztof Wilczynski a718b9b4a4 First version. Simple count function to use within Puppet DSL.
Signed-off-by: Krzysztof Wilczynski <krzysztof.wilczynski@linux.com>
2011-04-26 00:13:31 +01:00

30 lines
711 B
Ruby

#
# count.rb
#
# TODO(Krzysztof Wilczynski): We need to add support for regular expression ...
module Puppet::Parser::Functions
newfunction(:count, :type => :rvalue, :doc => <<-EOS
EOS
) do |arguments|
# Technically we support two arguments but only first is mandatory ...
raise(Puppet::ParseError, "count(): 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, 'count(): Requires an array to work with')
end
item = arguments[1] if arguments[1]
result = item ? array.count(item) : array.count
return result
end
end
# vim: set ts=2 sw=2 et :