From f3b6b11e85ba42af809c12e50f0172dc582a680a Mon Sep 17 00:00:00 2001 From: Krzysztof Wilczynski Date: Fri, 29 Apr 2011 20:13:27 +0100 Subject: First version. Simple str2bool function to use within Puppet DSL. Signed-off-by: Krzysztof Wilczynski --- str2bool.rb | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 str2bool.rb (limited to 'str2bool.rb') diff --git a/str2bool.rb b/str2bool.rb new file mode 100644 index 0000000..02b5aae --- /dev/null +++ b/str2bool.rb @@ -0,0 +1,38 @@ +# +# str2bool.rb +# + +module Puppet::Parser::Functions + newfunction(:str2bool, :type => :rvalue, :doc => <<-EOS + EOS + ) do |arguments| + + raise(Puppet::ParseError, "str2bool(): Wrong number of arguments " + + "given (#{arguments.size} for 1)") if arguments.size < 1 + + string = arguments[0] + + if not string.is_a?(String) + raise(Puppet::ParseError, 'str2bool(): Requires either a ' + + 'string to work with') + end + + result = case string + # + # This is how undef looks like in Puppet ... + # We yield false in this case. + # + when /^$/, '' then false + when /^(1|t|y|true|yes)$/ then true + when /^(0|f|n|false|no)$/ then false + # This is not likely to happen ... + when /^(undef|undefined)$/ then false + else + raise(Puppet::ParseError, 'str2bool(): Unknown type of boolean given') + end + + return result + end +end + +# vim: set ts=2 sw=2 et : -- cgit v1.2.3