puppetlabs-stdlib/lib/puppet/parser/functions/upcase.rb

41 lines
857 B
Ruby

#
# upcase.rb
#
module Puppet::Parser::Functions
newfunction(:upcase, :type => :rvalue, :doc => <<-EOS
Converts a string or an array of strings to uppercase.
*Examples:*
upcase("abcd")
Will return:
ASDF
EOS
) do |arguments|
raise(Puppet::ParseError, "upcase(): Wrong number of arguments " +
"given (#{arguments.size} for 1)") if arguments.size < 1
value = arguments[0]
klass = value.class
unless [Array, String].include?(klass)
raise(Puppet::ParseError, 'upcase(): 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.upcase : i }
else
result = value.upcase
end
return result
end
end
# vim: set ts=2 sw=2 et :