| import sys |
| from pyasn1.compat.octets import octs2ints |
| from pyasn1 import error |
| from pyasn1 import __version__ |
| |
| flagNone = 0x0000 |
| flagEncoder = 0x0001 |
| flagDecoder = 0x0002 |
| flagAll = 0xffff |
| |
| flagMap = { |
| 'encoder': flagEncoder, |
| 'decoder': flagDecoder, |
| 'all': flagAll |
| } |
| |
| class Debug: |
| defaultPrinter = sys.stderr.write |
| def __init__(self, *flags): |
| self._flags = flagNone |
| self._printer = self.defaultPrinter |
| self('running pyasn1 version %s' % __version__) |
| for f in flags: |
| if f not in flagMap: |
| raise error.PyAsn1Error('bad debug flag %s' % (f,)) |
| self._flags = self._flags | flagMap[f] |
| self('debug category \'%s\' enabled' % f) |
| |
| def __str__(self): |
| return 'logger %s, flags %x' % (self._printer, self._flags) |
| |
| def __call__(self, msg): |
| self._printer('DBG: %s\n' % msg) |
| |
| def __and__(self, flag): |
| return self._flags & flag |
| |
| def __rand__(self, flag): |
| return flag & self._flags |
| |
| logger = 0 |
| |
| def setLogger(l): |
| global logger |
| logger = l |
| |
| def hexdump(octets): |
| return ' '.join( |
| [ '%s%.2X' % (n%16 == 0 and ('\n%.5d: ' % n) or '', x) |
| for n,x in zip(range(len(octets)), octs2ints(octets)) ] |
| ) |
| |
| class Scope: |
| def __init__(self): |
| self._list = [] |
| |
| def __str__(self): return '.'.join(self._list) |
| |
| def push(self, token): |
| self._list.append(token) |
| |
| def pop(self): |
| return self._list.pop() |
| |
| scope = Scope() |
