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#
# 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]
unless value.is_a?(Array) || value.is_a?(Hash) || value.respond_to?(:upcase)
raise(Puppet::ParseError, 'upcase(): Requires an ' +
'array, hash or object that responds to upcase in order to work')
end
if value.is_a?(Array)
# Numbers in Puppet are often string-encoded which is troublesome ...
result = value.collect { |i| function_upcase([i]) }
elsif value.is_a?(Hash)
result = {}
value.each_pair do |k, v|
result[function_upcase([k])] = function_upcase([v])
end
else
result = value.upcase
end
return result
end
end
# vim: set ts=2 sw=2 et :
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