diff options
Diffstat (limited to 'puppet/modules/stdlib/lib/puppet/parser/functions/delete_undef_values.rb')
m--------- | puppet/modules/stdlib | 0 | ||||
-rw-r--r-- | puppet/modules/stdlib/lib/puppet/parser/functions/delete_undef_values.rb | 34 |
2 files changed, 34 insertions, 0 deletions
diff --git a/puppet/modules/stdlib b/puppet/modules/stdlib deleted file mode 160000 -Subproject 71123634744b9fe2ec7d6a3e38e9789fd84801e diff --git a/puppet/modules/stdlib/lib/puppet/parser/functions/delete_undef_values.rb b/puppet/modules/stdlib/lib/puppet/parser/functions/delete_undef_values.rb new file mode 100644 index 00000000..f94d4da8 --- /dev/null +++ b/puppet/modules/stdlib/lib/puppet/parser/functions/delete_undef_values.rb @@ -0,0 +1,34 @@ +module Puppet::Parser::Functions + newfunction(:delete_undef_values, :type => :rvalue, :doc => <<-EOS +Returns a copy of input hash or array with all undefs deleted. + +*Examples:* + + $hash = delete_undef_values({a=>'A', b=>'', c=>undef, d => false}) + +Would return: {a => 'A', b => '', d => false} + + $array = delete_undef_values(['A','',undef,false]) + +Would return: ['A','',false] + + EOS + ) do |args| + + raise(Puppet::ParseError, + "delete_undef_values(): Wrong number of arguments given " + + "(#{args.size})") if args.size < 1 + + unless args[0].is_a? Array or args[0].is_a? Hash + raise(Puppet::ParseError, + "delete_undef_values(): expected an array or hash, got #{args[0]} type #{args[0].class} ") + end + result = args[0].dup + if result.is_a?(Hash) + result.delete_if {|key, val| val.equal? :undef} + elsif result.is_a?(Array) + result.delete :undef + end + result + end +end |