Class: MooTool::Controllers::KernelCollection

Inherits:
MooTool::ControllerBase show all
Defined in:
lib/mootool/controllers/kernel_collection.rb

Overview

Controller for extracting or viewing a KernelCollection (.kc file)

Instance Method Summary collapse

Methods inherited from MooTool::ControllerBase

command, description, for_controller, inherited, load_all

Instance Method Details

#extract(command, output_folder) ⇒ Object 



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# File 'lib/mootool/controllers/kernel_collection.rb', line 11

def extract(command, output_folder)
  file = command.file
  input = File.open(command.file, 'rb')

  T.must(file).command(:LC_FILESET_ENTRY).each do |entry|
    output_path = File.join(output_folder, entry.entry_id.to_s)
    puts "Writing to #{output_path}"
    output_file = File.open(output_path, 'wb')
    # rubocop:disable Naming/VariableNumber
    # We do not have control of this name as it is part of ruby-macho
    matching = T.must(file).command(:LC_SEGMENT_64).find { |c| c.fileoff == entry.fileoff }
    # rubocop:enable Naming/VariableNumber

    input.seek(matching.fileoff)
    output_file.write input.read(matching.filesize)
    output_file.close
  end
end