diff options
| -rw-r--r-- | viewstate/parse.py | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/viewstate/parse.py b/viewstate/parse.py index a693c68..1cd2ccb 100644 --- a/viewstate/parse.py +++ b/viewstate/parse.py @@ -4,7 +4,10 @@ from .exceptions import ViewStateException class ParserMeta(type): - + ''' + Parser metaclass is used to register each of the parser subclasses `marker` field + This field is used to dynamically select the right class for parsing a given byte array + ''' def __init__(cls, name, bases, namespace): super(ParserMeta, cls).__init__(name, bases, namespace) if not hasattr(cls, 'registry'): @@ -23,15 +26,16 @@ class Parser(metaclass=ParserMeta): def parse(b): marker, remain = b[0], b[1:] try: - return Parser.registry[marker]().parse(remain) + return Parser.registry[marker].parse(remain) except KeyError: raise ViewStateException(f'Unknown marker {marker}') class Const(Parser): - def parse(self, remain): - return self.const, remain + @classmethod + def parse(cls, remain): + return cls.const, remain class NoneConst(Const): |