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|
#
# range.rb
#
module Puppet::Parser::Functions
newfunction(:range, :type => :rvalue, :doc => <<-EOS
EOS
) do |arguments|
# We support more than one argument but at least one is mandatory ...
raise(Puppet::ParseError, "range(): Wrong number of " +
"arguments given (#{arguments.size} for 1)") if arguments.size < 1
if arguments.size > 1
start = arguments[0]
stop = arguments[1]
type = '..' # We select simplest type for Range available in Ruby ...
elsif arguments.size > 0
value = arguments[0]
if m = value.match(/^(\w+)(\.\.\.?|\-)(\w+)$/)
start = m[1]
stop = m[3]
type = m[2]
elsif value.match(/^.+$/)
raise(Puppet::ParseError, 'range(): Unable to compute range ' +
'from the value given')
else
raise(Puppet::ParseError, 'range(): Unknown format of range given')
end
end
# Check whether we have integer value if so then make it so ...
if start.match(/^\d+$/)
start = start.to_i
stop = stop.to_i
else
start = start.to_s
stop = stop.to_s
end
range = case type
when /^(\.\.|\-)$/ then (start .. stop)
when /^(\.\.\.)$/ then (start ... stop) # Exclusive of last element ...
end
result = range.collect { |i| i } # Get them all ... Pokemon ...
return result
end
end
# vim: set ts=2 sw=2 et :
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