class RSpec::Core::Formatters::DeprecationFormatter

def deprecation(data)
  @count += 1
  if data[:message]
    @deprecation_stream.print data[:message]
  else
    @deprecation_stream.print "DEPRECATION: " unless File === @deprecation_stream
    @deprecation_stream.print "#{data[:deprecated]} is deprecated."
    @deprecation_stream.print " Use #{data[:replacement]} instead." if data[:replacement]
    @deprecation_stream.print " Called from #{data[:call_site]}." if data[:call_site]
    @deprecation_stream.puts
  end
end

def deprecation_summary
  if @count > 0 && File === @deprecation_stream
    @summary_stream.print "\n#{@count} deprecation"
    @summary_stream.print "s" if @count > 1
    @summary_stream.print " logged to "
    @summary_stream.puts @deprecation_stream.path
  end
end

def initialize(deprecation_stream=$stderr, summary_stream=$stdout)
  @deprecation_stream = deprecation_stream
  @summary_stream = summary_stream
  @count = 0
end