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#
# parseyaml.rb
#
module Puppet::Parser::Functions
newfunction(:parseyaml, :type => :rvalue, :doc => <<-DOC
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.
DOC
) 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] # rubocop:disable Security/YAMLLoad : using YAML.safe_load causes the code to break
# in ruby 1.9.3 Psych::SyntaxError is a RuntimeException
# this still needs to catch that and work also on rubies that
# do not have Psych available.
rescue StandardError, Psych::SyntaxError => e # rubocop:disable Lint/ShadowedException : See above
raise e unless arguments[1]
arguments[1]
end
end
end
# vim: set ts=2 sw=2 et :
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