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#
# parseyaml.rb
#
module Puppet::Parser::Functions
newfunction(:parseyaml, :type => :rvalue, :arity => -2, :doc => <<-EOS
This function accepts YAML as a string and converts it into the correct
Puppet structure.
The optional second argument can be used to pass a default value that will
be returned if the parsing of YAML string have failed.
EOS
) do |arguments|
raise ArgumentError, 'Wrong number of arguments. 1 or 2 arguments should be provided.' unless arguments.length >= 1
require 'yaml'
begin
YAML::load(arguments[0]) || arguments[1]
rescue Exception
arguments[1]
end
end
end
# vim: set ts=2 sw=2 et :
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