b26d5b2f3b
as join would do. Also function is now more robust in error detection. Signed-off-by: Krzysztof Wilczynski <krzysztof.wilczynski@linux.com>
38 lines
873 B
Ruby
38 lines
873 B
Ruby
#
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# prefix.rb
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#
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module Puppet::Parser::Functions
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newfunction(:prefix, :type => :rvalue, :doc => <<-EOS
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EOS
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) do |arguments|
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# Technically we support two arguments but only first is mandatory ...
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raise(Puppet::ParseError, "prefix(): Wrong number of arguments " +
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"given (#{arguments.size} for 1)") if arguments.size < 1
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array = arguments[0]
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unless array.is_a?(Array)
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raise(Puppet::ParseError, 'prefix(): Requires array to work with')
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end
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prefix = arguments[1] if arguments[1]
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if prefix
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unless prefix.is_a?(String)
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raise(Puppet::ParseError, 'prefix(): Requires string to work with')
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end
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end
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# Turn everything into string same as join would do ...
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result = array.collect do |i|
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i = i.to_s
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prefix ? prefix + i : i
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end
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return result
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end
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end
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# vim: set ts=2 sw=2 et :
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