7e7c7ce2ee
number to appropriate boolean value. Signed-off-by: Krzysztof Wilczynski <krzysztof.wilczynski@linux.com>
36 lines
878 B
Ruby
36 lines
878 B
Ruby
#
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# num2bool.rb
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#
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module Puppet::Parser::Functions
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newfunction(:num2bool, :type => :rvalue, :doc => <<-EOS
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EOS
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) do |arguments|
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raise(Puppet::ParseError, "num2bool(): Wrong number of arguments " +
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"given (#{arguments.size} for 1)") if arguments.size < 1
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number = arguments[0]
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# Only numbers allowed ...
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if not number.match(/^\-?\d+$/)
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raise(Puppet::ParseError, 'num2bool(): Requires a number to work with')
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end
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result = case number
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when /^0$/
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false
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when /^\-?\d+$/
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# In Puppet numbers are often string-encoded ...
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number = number.to_i
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# We yield true for any positive number and false otherwise ...
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number > 0 ? true : false
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else
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raise(Puppet::ParseError, 'num2bool(): Unknown number format given')
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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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