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| -rw-r--r-- | lib/puppet/parser/functions/validate_re.rb | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/lib/puppet/parser/functions/validate_re.rb b/lib/puppet/parser/functions/validate_re.rb new file mode 100644 index 0000000..583f26a --- /dev/null +++ b/lib/puppet/parser/functions/validate_re.rb @@ -0,0 +1,35 @@ +module Puppet::Parser::Functions + + newfunction(:validate_re, :doc => <<-'ENDHEREDOC') do |args| + Perform simple validation of a string against a regular expression. The second + argument of the function should be a string regular expression (without the //'s) + or an array of regular expressions. If none of the regular expressions in the array + match the string passed in, then an exception will be raised. + + Example: + + These strings validate against the regular expressions + + validate_re('one', '^one$') + validate_re('one', [ '^one', '^two' ]) + + These strings do NOT validate + + validate_re('one', [ '^two', '^three' ]) + + Jeff McCune <jeff@puppetlabs.com> + + ENDHEREDOC + if args.length != 2 then + raise Puppet::ParseError, ("validate_re(): wrong number of arguments (#{args.length}; must be 2)") + end + + msg = "validate_re(): #{args[0].inspect} does not match #{args[1].inspect}" + + raise Puppet::ParseError, (msg) unless args[1].any? do |re_str| + args[0] =~ Regexp.compile(re_str) + end + + end + +end |