diff options
author | Micah <micah@leap.se> | 2016-05-24 10:19:33 -0400 |
---|---|---|
committer | Micah <micah@leap.se> | 2016-05-24 10:19:33 -0400 |
commit | 1da5dc55ee48fcd437f5b5df00a5b2f3991ec9f1 (patch) | |
tree | 1794e812d83facd93b3007c42632c63ddf1eb2fc /lib/puppet/parser/functions/size.rb |
Squashed 'puppet/modules/stdlib/' content from commit 7112363
git-subtree-dir: puppet/modules/stdlib
git-subtree-split: 71123634744b9fe2ec7d6a3e38e9789fd84801e3
Diffstat (limited to 'lib/puppet/parser/functions/size.rb')
-rw-r--r-- | lib/puppet/parser/functions/size.rb | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/lib/puppet/parser/functions/size.rb b/lib/puppet/parser/functions/size.rb new file mode 100644 index 00000000..cc207e3f --- /dev/null +++ b/lib/puppet/parser/functions/size.rb @@ -0,0 +1,48 @@ +# +# size.rb +# + +# TODO(Krzysztof Wilczynski): Support for hashes would be nice too ... + +module Puppet::Parser::Functions + newfunction(:size, :type => :rvalue, :doc => <<-EOS +Returns the number of elements in a string or array. + EOS + ) do |arguments| + + raise(Puppet::ParseError, "size(): Wrong number of arguments " + + "given (#{arguments.size} for 1)") if arguments.size < 1 + + item = arguments[0] + + 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 or array to work with') + + rescue ArgumentError + result = item.size + end + + elsif item.is_a?(Array) + result = item.size + else + raise(Puppet::ParseError, 'size(): Unknown type given') + end + + return result + end +end + +# vim: set ts=2 sw=2 et : |