diff options
author | Ken Barber <ken@bob.sh> | 2011-04-29 09:27:10 +0200 |
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committer | Ken Barber <ken@bob.sh> | 2011-04-30 15:59:31 +0200 |
commit | 99a93d366f2e1efb977fcc8fe300d3d8357c8214 (patch) | |
tree | fab7510323f123c83da6d7c6cae4fe9e3f2f1e27 /lib/puppet/parser/functions/num2bool.rb | |
parent | 781a8720577d0cafe2147f3a1b938db7bec31789 (diff) |
Convert to module format.
Diffstat (limited to 'lib/puppet/parser/functions/num2bool.rb')
-rw-r--r-- | lib/puppet/parser/functions/num2bool.rb | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/lib/puppet/parser/functions/num2bool.rb b/lib/puppet/parser/functions/num2bool.rb new file mode 100644 index 0000000..2baef62 --- /dev/null +++ b/lib/puppet/parser/functions/num2bool.rb @@ -0,0 +1,38 @@ +# +# num2bool.rb +# + +# TODO(Krzysztof Wilczynski): We probably need to approach numeric values differently ... + +module Puppet::Parser::Functions + newfunction(:num2bool, :type => :rvalue, :doc => <<-EOS + EOS + ) do |arguments| + + raise(Puppet::ParseError, "num2bool(): Wrong number of arguments " + + "given (#{arguments.size} for 1)") if arguments.size < 1 + + number = arguments[0] + + # Only numbers allowed ... + unless number.match(/^\-?\d+$/) + raise(Puppet::ParseError, 'num2bool(): Requires integer to work with') + end + + result = case number + when /^0$/ + false + when /^\-?\d+$/ + # Numbers in Puppet are often string-encoded which is troublesome ... + number = number.to_i + # We yield true for any positive number and false otherwise ... + number > 0 ? true : false + else + raise(Puppet::ParseError, 'num2bool(): Unknown numeric format given') + end + + return result + end +end + +# vim: set ts=2 sw=2 et : |