36 lines
986 B
Ruby
36 lines
986 B
Ruby
#
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# count.rb
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#
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# TODO(Krzysztof Wilczynski): We need to add support for regular expression ...
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# TODO(Krzysztof Wilczynski): Support for hash values would be nice too ...
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module Puppet::Parser::Functions
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newfunction(:count, :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, "count(): Wrong number of arguments " +
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"given (#{arguments.size} for 1)") if arguments.size < 1
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value = arguments[0]
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klass = value.class
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unless [Array, Hash, String].include?(klass)
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raise(Puppet::ParseError, 'count(): Requires either ' +
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'array, hash or string to work with')
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end
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item = arguments[1] if arguments[1]
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value = value.is_a?(Hash) ? value.keys : value
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# No item to look for and count? Then just return current size ...
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result = item ? value.count(item) : value.size
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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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