comparison modules/stdlib/lib/puppet/parser/functions/delete_undef_values.rb @ 37:addb0ea390a1 puppet-3.6

Update Puppet "stdlib" module
author IBBoard <dev@ibboard.co.uk>
date Sat, 14 Mar 2015 20:09:45 +0000
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children c42fb28cff86
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36:37675581a273 37:addb0ea390a1
1 module Puppet::Parser::Functions
2 newfunction(:delete_undef_values, :type => :rvalue, :doc => <<-EOS
3 Returns a copy of input hash or array with all undefs deleted.
4
5 *Examples:*
6
7 $hash = delete_undef_values({a=>'A', b=>'', c=>undef, d => false})
8
9 Would return: {a => 'A', b => '', d => false}
10
11 $array = delete_undef_values(['A','',undef,false])
12
13 Would return: ['A','',false]
14
15 EOS
16 ) do |args|
17
18 raise(Puppet::ParseError,
19 "delete_undef_values(): Wrong number of arguments given " +
20 "(#{args.size})") if args.size < 1
21
22 unless args[0].is_a? Array or args[0].is_a? Hash
23 raise(Puppet::ParseError,
24 "delete_undef_values(): expected an array or hash, got #{args[0]} type #{args[0].class} ")
25 end
26 result = args[0].dup
27 if result.is_a?(Hash)
28 result.delete_if {|key, val| val.equal? :undef}
29 elsif result.is_a?(Array)
30 result.delete :undef
31 end
32 result
33 end
34 end