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#!/usr/bin/env ruby -wKU
require 'osx/cocoa'
include OSX

class Connection
  def self.id_label_map
    @id_label_map ||= {}
  end
  
  def initialize(source_id)
    @source_id = source_id
    @connections = Hash.new { |k, v| k[v] = [] }
  end
  
  def add_connection(destination_id, label)
    @connections[destination_id] << label
  end
  
  def inspect
    if @connections.keys.empty?
      connected = "\t No Connections"
    else
      connected = @connections.map do |id, label|
        "\t#{self.class.id_label_map[id]}: #{label}"
      end
    end
    "\n#{self.class.id_label_map[@source_id]}:\n" << connected.join("\n")
  end
end

plist = `ibtool --connections misc/English.lproj/MainMenu.nib`
plist_data = NSData.alloc.initWithBytes_length(plist, plist.size)
connections, format, error = NSPropertyListSerialization.propertyListFromData_mutabilityOption_format_errorDescription(plist_data, NSPropertyListMutableContainersAndLeaves)
id_label_map = {}
connection_map = {}

connections['com.apple.ibtool.document.connections'].each do |key, value|
  source_id         = value['source-id'].to_i
  source_label      = value['source-label'].to_s
  destination_id    = value['destination-id'].to_i
  destination_label = value['destination-label'].to_s

  Connection.id_label_map[source_id]      ||= source_label
  Connection.id_label_map[destination_id] ||= destination_label

  (connection_map[source_id] ||= Connection.new(source_id)).add_connection(destination_id, value['label'].to_s)
end

# puts Connection.id_label_map.inspect
connection_map.each { |source_id, connections| puts connections.inspect }