def take_while_not(self, stopsymbol, typecast=None):
try:
stopsymbol_position = self._str.index(stopsymbol, self._position)
except ValueError:
raise _PhpUnserializationError("No `%s`" % stopsymbol, self.get_rest())
result = self._str[self._position : stopsymbol_position]
self._position = stopsymbol_position + 1
if typecast is None:
return result
else:
return typecast(result)
def unserialize(self):
t = self.take()
if t == "N":
self.await(";")
return None
self.await(":")
if t == "i":
return self.take_while_not(";", int)
if t == "d":
return self.take_while_not(";", float)
if t == "b":
return bool(self.take_while_not(";", int))
if t == "s":
size = self.take_while_not(":", int)
self.await('"')
result = self.take(size)
self.await('";', 2)
return result
if t == "a":
size = self.take_while_not(":", int)
return self.parse_hash_core(size)
if t == "O":
object_name_size = self.take_while_not(":", int)
self.await('"')
object_name = self.take(object_name_size)
self.await('":', 2)
object_length = self.take_while_not(":", int)
php_class = PHP_Class(object_name)
members = self.parse_hash_core(object_length)
if members:
for php_name, value in members.items():
php_class.set_item(php_name, value)
return php_class
raise _PhpUnserializationError("Unknown type `%s`" % t, self.get_rest())
def unserialize(self):
t = self.take()
if t == 'N':
self.await(';')
return None
self.await(':')
if t == 'i':
return self.take_while_not(';', int)
if t == 'd':
return self.take_while_not(';', float)
if t == 'b':
return bool(self.take_while_not(';', int))
if t == 's':
size = self.take_while_not(':', int)
self.await('"')
result = self.take(size)
self.await('";', 2)
return result
if t == 'a':
size = self.take_while_not(':', int)
return self.parse_hash_core(size)
if t == 'O':
object_name_size = self.take_while_not(':', int)
self.await('"')
object_name = self.take(object_name_size)
self.await('":', 2)
object_length = self.take_while_not(':', int)
php_class = PHP_Class(object_name)
members = self.parse_hash_core(object_length)
if members:
for php_name, value in members.items():
php_class.set_item(php_name, value)
return php_class
raise _PhpUnserializationError('Unknown type `%s`' % t, self.get_rest())
)
raise PhpSerializationError("PHP serialize: cannot encode `%s`" % struct)
class Unserializator(object):
def __init__(self, s):
self._position = 0
self._str = s
def await(self, symbol, n=1):
# result = self.take(len(symbol))
result = self._str[self._position : self._position + n]
self._position += n
if result != symbol:
raise _PhpUnserializationError("Next is `%s` not `%s`" % (result, symbol), self.get_rest())
def take(self, n=1):
result = self._str[self._position : self._position + n]
self._position += n
return result
def take_while_not(self, stopsymbol, typecast=None):
try:
stopsymbol_position = self._str.index(stopsymbol, self._position)
except ValueError:
raise _PhpUnserializationError("No `%s`" % stopsymbol, self.get_rest())
result = self._str[self._position : stopsymbol_position]
self._position = stopsymbol_position + 1
if typecast is None:
return result
