diff options
Diffstat (limited to 'puppet/modules/stdlib/lib/puppet/parser/functions/swapcase.rb')
-rw-r--r-- | puppet/modules/stdlib/lib/puppet/parser/functions/swapcase.rb | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/puppet/modules/stdlib/lib/puppet/parser/functions/swapcase.rb b/puppet/modules/stdlib/lib/puppet/parser/functions/swapcase.rb new file mode 100644 index 00000000..eb7fe137 --- /dev/null +++ b/puppet/modules/stdlib/lib/puppet/parser/functions/swapcase.rb @@ -0,0 +1,38 @@ +# +# swapcase.rb +# + +module Puppet::Parser::Functions + newfunction(:swapcase, :type => :rvalue, :doc => <<-EOS +This function will swap the existing case of a string. + +*Examples:* + + swapcase("aBcD") + +Would result in: "AbCd" + EOS + ) do |arguments| + + raise(Puppet::ParseError, "swapcase(): Wrong number of arguments " + + "given (#{arguments.size} for 1)") if arguments.size < 1 + + value = arguments[0] + + unless value.is_a?(Array) || value.is_a?(String) + raise(Puppet::ParseError, 'swapcase(): Requires either ' + + 'array or string to work with') + end + + if value.is_a?(Array) + # Numbers in Puppet are often string-encoded which is troublesome ... + result = value.collect { |i| i.is_a?(String) ? i.swapcase : i } + else + result = value.swapcase + end + + return result + end +end + +# vim: set ts=2 sw=2 et : |