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#
# hash.rb
#
module Puppet::Parser::Functions
newfunction(:hash, :type => :rvalue, :doc => <<-DOC
This function converts an array into a hash.
*Examples:*
hash(['a',1,'b',2,'c',3])
Would return: {'a'=>1,'b'=>2,'c'=>3}
DOC
) do |arguments|
raise(Puppet::ParseError, "hash(): Wrong number of arguments given (#{arguments.size} for 1)") if arguments.empty?
array = arguments[0]
unless array.is_a?(Array)
raise(Puppet::ParseError, 'hash(): Requires array to work with')
end
result = {}
begin
# This is to make it compatible with older version of Ruby ...
array = array.flatten
result = Hash[*array]
rescue StandardError
raise(Puppet::ParseError, 'hash(): Unable to compute hash from array given')
end
return result
end
end
# vim: set ts=2 sw=2 et :
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