Class Rejecter

Lib/xml/dom/expatbuilder.py:523–549

        parser.EndElementHandler = self.end_element_handler

class Rejecter(FilterCrutch):
    __slots__ = ()

    def __init__(self, builder):
        FilterCrutch.__init__(self, builder)
        parser = builder._parser
        for name in ("ProcessingInstructionHandler",
                     "CommentHandler",
                     "CharacterDataHandler",
                     "StartCdataSectionHandler",
                     "EndCdataSectionHandler",
                     "ExternalEntityRefHandler",
                     ):
            setattr(parser, name, None)

    def start_element_handler(self, *args):
        self._level = self._level + 1

    def end_element_handler(self, *args):
        if self._level == 0:
            # restore the old handlers
            parser = self._builder._parser
            self._builder.install(parser)
            parser.StartElementHandler = self._old_start
            parser.EndElementHandler = self._old_end
        else:
            self._level = self._level - 1

class Skipper(FilterCrutch):
    __slots__ = ()