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#
# size.rb
#
module Puppet::Parser::Functions
newfunction(:size, :type => :rvalue, :doc => <<-EOS
Returns the number of elements in a string, an array or a hash
EOS
) do |arguments|
raise(Puppet::ParseError, "size(): Wrong number of arguments given (#{arguments.size} for 1)") if arguments.size < 1
item = arguments[0]
function_deprecation([:size, 'This method is going to be deprecated, please use the stdlib length function.'])
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, array or hash to work with')
rescue ArgumentError
result = item.size
end
elsif item.is_a?(Array) || item.is_a?(Hash)
result = item.size
else
raise(Puppet::ParseError, 'size(): Unknown type given')
end
return result
end
end
# vim: set ts=2 sw=2 et :
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