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|
#
# join.rb
#
module Puppet::Parser::Functions
newfunction(:join, :type => :rvalue, :doc => <<-EOS
EOS
) do |arguments|
# Technically we support three arguments but only first two are mandatory ...
raise(Puppet::ParseError, "join(): Wrong number of arguments " +
"given (#{arguments.size} for 2)") if arguments.size < 2
array = arguments[0]
if not array.is_a?(Array)
raise(Puppet::ParseError, 'join(): Requires an array to work with')
end
suffix = arguments[1]
prefix = arguments[2] if arguments[2]
raise(Puppet::ParseError, 'join(): You must provide suffix ' +
'to join array elements with') if suffix.empty?
if prefix and prefix.empty?
raise(Puppet::ParseError, 'join(): You must provide prefix ' +
'to add to join')
end
if prefix and not prefix.empty?
result = prefix + array.join(suffix + prefix)
else
result = array.join(suffix)
end
return result
end
end
# vim: set ts=2 sw=2 et :
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