33 lines
777 B
Ruby
33 lines
777 B
Ruby
#!/usr/bin/env ruby
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require 'rexml/document'
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matrix = REXML::Document.new($stdin).root
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tracks = 0
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matrix.each_element('rooms/room') {
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tracks += 1
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}
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trackspans = [0] * tracks
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matrix.each_element('table/timeslot') { |timeslot|
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events = []
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timeslot.each_element { |event|
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timeslot.delete(event)
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events << event
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}
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$stderr.puts trackspans.inspect
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tracks.times { |i|
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if trackspans[i] > 1
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timeslot.add(REXML::Element.new('span'))
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trackspans[i] -= 1
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else
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event = events.shift || REXML::Element.new('empty')
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timeslot.add(event)
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if event.name == 'event'
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trackspans[i] = (event.attributes['slots'] || 1).to_i
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end
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end
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}
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$stderr.puts "Stale elements: #{events.inspect}" if events.size > 0
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}
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puts matrix.to_s
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