| # ASN.1 named integers |
| from pyasn1 import error |
| |
| __all__ = [ 'NamedValues' ] |
| |
| class NamedValues: |
| def __init__(self, *namedValues): |
| self.nameToValIdx = {}; self.valToNameIdx = {} |
| self.namedValues = () |
| automaticVal = 1 |
| for namedValue in namedValues: |
| if isinstance(namedValue, tuple): |
| name, val = namedValue |
| else: |
| name = namedValue |
| val = automaticVal |
| if name in self.nameToValIdx: |
| raise error.PyAsn1Error('Duplicate name %s' % (name,)) |
| self.nameToValIdx[name] = val |
| if val in self.valToNameIdx: |
| raise error.PyAsn1Error('Duplicate value %s=%s' % (name, val)) |
| self.valToNameIdx[val] = name |
| self.namedValues = self.namedValues + ((name, val),) |
| automaticVal = automaticVal + 1 |
| def __str__(self): return str(self.namedValues) |
| |
| def getName(self, value): |
| if value in self.valToNameIdx: |
| return self.valToNameIdx[value] |
| |
| def getValue(self, name): |
| if name in self.nameToValIdx: |
| return self.nameToValIdx[name] |
| |
| def __getitem__(self, i): return self.namedValues[i] |
| def __len__(self): return len(self.namedValues) |
| |
| def __add__(self, namedValues): |
| return self.__class__(*self.namedValues + namedValues) |
| def __radd__(self, namedValues): |
| return self.__class__(*namedValues + tuple(self)) |
| |
| def clone(self, *namedValues): |
| return self.__class__(*tuple(self) + namedValues) |
| |
| # XXX clone/subtype? |
