def parse_disk_image(io_manager: IOManager):
"""
Разбирает образ диска, доступ к которому получен через io_manager
:param io_manager: менеджер, необходимый для работы с образом
:return: FileSystem
"""
info = InfoAboutImage(io_manager)
f_processor = ImageTools.FatProcessor(info, io_manager)
error_detector = ErrorDetector(f_processor)
d_parser = ImageTools.DirectoryParser(f_processor)
ft_printer = ImageTools.FileTreePrinter(d_parser)
if error_detector.check_differences_fats():
return FileSystem(info, f_processor, {}, error_detector)
ft_indexer = ImageTools.FatTableIndexer(d_parser)
full_indexed_fat_table = ft_indexer.get_full_indexed_fat_table()
if error_detector.analysis_fat_indexed_table(full_indexed_fat_table):
return FileSystem(info, f_processor, full_indexed_fat_table,
error_detector)
correct_indexed_fat_table = ft_indexer.get_correct_indexed_fat_table()
file_system = FileSystem(info, f_processor, correct_indexed_fat_table,
error_detector)
file_system.set_file_tree_printer(ft_printer)
return file_system
def fix_looped_files(self):
"""
Избавляется от найденных зацикленных файлов
:return: None
"""
dir_parser = ImageTools.DirectoryParser(self._fat_proc)
for entry in self.looped_files:
dir_parser.delete_entry_in_directory(
entry.dir_entry_info.entry_point)
self._name_of_indexed_files_to_remove.add(
entry.dir_entry_info.name)
self.looped_files = []
def fix_intersecting_files(self):
"""
Избавляется от найденных пересекающихся файлов
:return: None
"""
dir_parser = ImageTools.DirectoryParser(self._fat_proc)
for list_entries in self.intersecting_files:
for entry in list_entries:
dir_parser.delete_entry_in_directory(
entry.dir_entry_info.entry_point)
self._name_of_indexed_files_to_remove.add(
entry.dir_entry_info.name)
self.intersecting_files = []
