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#
# Written by Gavin Mogan, from https://gist.github.com/halkeye/2287885
# Put in the public domain by the author.
#
require 'json'
def sorted_json(obj)
case obj
when String, Fixnum, Float, TrueClass, FalseClass, NilClass
return obj.to_json
when Array
arrayRet = []
obj.each do |a|
arrayRet.push(sorted_json(a))
end
return "[" << arrayRet.join(',') << "]";
when Hash
ret = []
obj.keys.sort.each do |k|
ret.push(k.to_json << ":" << sorted_json(obj[k]))
end
return "{" << ret.join(",") << "}";
else
raise Exception("Unable to handle object of type <%s>" % obj.class.to_s)
end
end
module Puppet::Parser::Functions
newfunction(:sorted_json, :type => :rvalue, :doc => <<-EOS
This function takes data, outputs making sure the hash keys are sorted
*Examples:*
sorted_json({'key'=>'value'})
Would return: {'key':'value'}
EOS
) do |arguments|
raise(Puppet::ParseError, "sorted_json(): Wrong number of arguments " +
"given (#{arguments.size} for 1)") if arguments.size != 1
json = arguments[0]
return sorted_json(json)
end
end
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