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Diffstat (limited to 'bool2num.rb')
-rw-r--r-- | bool2num.rb | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/bool2num.rb b/bool2num.rb new file mode 100644 index 0000000..c197b17 --- /dev/null +++ b/bool2num.rb @@ -0,0 +1,36 @@ +# +# bool2num.rb +# + +module Puppet::Parser::Functions + newfunction(:bool2num, :type => :rvalue, :doc => <<-EOS + EOS + ) do |arguments| + + raise(Puppet::ParseError, "bool2num(): Wrong number of arguments " + + "given (#{arguments.size} for 1)") if arguments.size < 1 + + boolean = arguments[0] + + result = case boolean + # + # This is how undef looks like in Puppet ... + # We yield 0 (or false if you wish) in this case. + # + when /^$/, '' then '0' + when /^(1|t|true)$/ then '1' + when /^(0|f|false)$/ then '0' + # This is not likely to happen ... + when /^(undef|undefined)$/ then '0' + # We may get real boolean values as well ... + when true then '1' + when false then '0' + else + raise(Puppet::ParseError, 'bool2num(): Unknown type of boolean given') + end + + return result + end +end + +# vim: set ts=2 sw=2 et : |