Module: PrivateDumper::Application

Defined in:
lib/private-dumper.rb

Constant Summary collapse

CLASS_DUMP = 
'class-dump'

Class Method Summary collapse

Class Method Details

.run!(*args) ⇒ Object 



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# File 'lib/private-dumper.rb', line 15

def self.run!(*args)

  if args.size < 2
    puts "Usage: "
    puts "private-dumper <iOS SDK version> <path to headers output directory>"
    puts
    puts "Please provide both the iOS SDK version you want to dump (for example 4.2) and the path to the output directory."
    puts "Example: private-dumper 4.2 ~/Headers"
    puts
    puts "NOTE: You need to have class-dump (http://www.codethecode.com/projects/class-dump/) installed and in your $PATH!"
    return -1
  end

  sdk_version = args[0]

  sdk_path = "/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator#{sdk_version}.sdk/"

  if !File.exists?(sdk_path)
    puts "The directory #{sdk_path} does not exist. Did you possibly provide an invalid SDK version?"
    return -2
  end

  headers_path = args[1]

  if !File.exists?(headers_path)
    # we will try to create it...
    Dir.mkdir(File.expand_path(headers_path))
  end


  if !File.exists?(headers_path)
    puts "The output directory #{headers_path} does not exist and could not be created."
    return -3
  end

  ["#{sdk_path}System/Library/Frameworks", "#{sdk_path}System/Library/PrivateFrameworks", "#{sdk_path}Developer/Library/Frameworks", "#{sdk_path}Developer/Library/PrivateFrameworks"].each do |frmwk_path|
    puts frmwk_path

    Dir["#{frmwk_path}/**/*.framework"].sort.each do |frmwk|
      frmwk_name = File.basename(frmwk, '.*')
      puts "Framework: #{frmwk_name}"
      cmd = "#{CLASS_DUMP} -H -o #{headers_path}/#{frmwk_name} -s -S #{frmwk}"

      if !system(cmd)
        puts "Command #{cmd} failed with exit code #{$?.exitstatus}"
      else
        # Remove unnecessary imports
        puts "Fixing imports..."
        Dir["#{headers_path}/#{frmwk_name}/*.h"].each do |header|
          # Read...
          lines = []
          File.open(header, 'r') do |header_file| 
            header_file.each_line do |line|
              if line =~ /#import\s<#{frmwk_name}\/([^\.]*\.h)>/
                line = %{#import "#{$1}"}
              end

              lines << line unless line =~ /#import\s"NSObject\.h"/
            end
          end

          # Write...
          File.open(header, 'w') {|header_file| header_file.puts lines.join("\n")}
        end
      end
    end
  end

  puts "Done."
  return 0
end