38 lines
945 B
Ruby
38 lines
945 B
Ruby
#
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# join_with_prefix.rb
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#
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module Puppet::Parser::Functions
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newfunction(:join_with_prefix, :type => :rvalue, :doc => <<-EOS
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EOS
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) do |arguments|
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# Technically we support three arguments but only first is mandatory ...
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raise(Puppet::ParseError, "join(): 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, 'join_with_prefix(): Requires ' +
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'array to work with')
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end
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prefix = arguments[1] if arguments[1]
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suffix = arguments[2] if arguments[2]
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if prefix and suffix
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result = prefix + array.join(suffix + prefix)
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elsif prefix and not suffix
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result = array.collect { |i| prefix ? prefix + i : i }
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elsif suffix and not prefix
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result = array.join(suffix)
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else
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result = array.join
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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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