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#
# count.rb
#
# TODO(Krzysztof Wilczynski): We need to add support for regular expression ...
# TODO(Krzysztof Wilczynski): Support for hash values would be nice too ...
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
value = arguments[0]
klass = value.class
unless [Array, Hash, String].include?(klass)
raise(Puppet::ParseError, 'count(): Requires either ' +
'array, hash or string to work with')
end
item = arguments[1] if arguments[1]
value = value.is_a?(Hash) ? value.keys : value
# No item to look for and count? Then just return current size ...
result = item ? value.count(item) : value.size
return result
end
end
# vim: set ts=2 sw=2 et :
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