puppetlabs-stdlib/size.rb
Krzysztof Wilczynski eab2a63f1b Added TODO for future reference.
Signed-off-by: Krzysztof Wilczynski <krzysztof.wilczynski@linux.com>
2011-04-29 04:22:04 +01:00

47 lines
1.1 KiB
Ruby

#
# size.rb
#
# TODO(Krzysztof Wilczynski): Support for hashes would be nice too ...
module Puppet::Parser::Functions
newfunction(:size, :type => :rvalue, :doc => <<-EOS
EOS
) do |arguments|
raise(Puppet::ParseError, "size(): Wrong number of arguments " +
"given (#{arguments.size} for 1)") if arguments.size < 1
item = arguments[0]
if item.is_a?(String)
begin
#
# Check whether your item is a numeric value or not ...
# This will take care about positive and/or negative numbers
# for both integer and floating-point values ...
#
# Please note that Puppet has no notion of hexadecimal
# nor octal numbers for its DSL at this point in time ...
#
Float(item)
raise(Puppet::ParseError, 'size(): Requires either ' +
'string or array to work with')
rescue ArgumentError
result = item.size
end
elsif item.is_a?(Array)
result = item.size
else
raise(Puppet::ParseError, 'size(): Unknown type given')
end
return result
end
end
# vim: set ts=2 sw=2 et :