144     def value(self, extra=None):  argument
149             if not 0<=extra<1<<self.extraBits():
151             return self.code.value(self.index, extra)
152         if extra is not None:
156     def explanation(self, extra=None):  argument
162             return self.code.callback(self, extra)
376     def value(self, index, extra=None):  argument
380         if extra is not None:
478     def explanation(self, index, extra=None):  argument
482         extraBits = 0 if extra is None else self.extraBits(index)
485             lo = hi = value = self.value(index, extra)
493             value = lo+extra
499             extra,
503     def callback(self, symbol, extra):  argument
504         return self.explanation(symbol.index, extra)
512     def value(self, index, extra=None):  argument
513         return bool(super().value(index, extra))
540     def value(self, index, extra):  argument
544         value = lower+(extra or 0)
571     def value(self, index, extra):  argument
575             if extra>3:
577             return 'Simple', extra+1
578         if extra:
582     def explanation(self, index, extra):  argument
585                 self.codename, extra+1, 's' if extra else '')
629     def explanation(self, index, extra=None):  argument
648     def explanation(self, index, extra):  argument
649         return self.description.format(self[index], extra)
651     def value(self, index, extra):  argument
653         return extra
721     def value(self, index, extra):  argument
723         if not 0<=extra<1<<extraBits:
726         if index>4 and extra>>extraBits-4==0: raise InvalidStream(
728         return extra+1
730     def explanation(self, index, extra):  argument
733         return 'data length: {:0{}x}h+1={}'.format(extra, extraBits//4, extra+1)
789     def value(self, index, extra):  argument
791         if not 0<=extra<1<<extraBits:
794         if index>1 and extra>>extraBits-8==0:
796         return extra+1
798     def explanation(self, index, extra):  argument
801         return 'skip length: {:{}x}h+1={}'.format(extra, extraBits//8, extra+1)
834     def explanation(self, index, extra):  argument
835         value = self.value(index, extra)
884     def explanation(self, index, extra):  argument
885         return 'Block count: '+super().explanation(index, extra)
897     def value(self, index, extra):  argument
900         if extra>15:
902         return index, extra<<index
904     def explanation(self, index, extra):  argument
906             index, extra, index, extra<<index)
944     def explanation(self, index, extra):  argument
947         return '{}xxxx 1: RLEMAX={}'.format(description, extra+1)
978     def value(self, index, extra):  argument
982         if index<=self.RLEMAX: return (1<<index)+extra, 0
985     def explanation(self, index, extra):  argument
991                 extra, self.extraBits(index),
992                 (1<<index)+extra)
1008     def value(self, index, extra=None):  argument
1011     def explanation(self, index, extra=None):  argument
1091     def value(self, index, extra):  argument
1094         ce, ie = extra>>iExtra, extra&(1<<iExtra)-1
1099     def explanation(self, index, extra):  argument
1100         insert, copy, d0 = self.value(index, extra)
1190     def explanation(self, index, extra):  argument
1197         extraString = '[{:0{}b}]'.format(extra, extraBits)
1200             self.value(index, extra))
1505                 extra = self.verboseRead(lengthCode)
1520                     repeat = (repeat-2<<2)+extra+3
1534                     extra = self.verboseRead(lengthCode)
1538                 extra = self.verboseRead(lengthCode)
1549                     repeat = (repeat-2<<3)+extra+3
1559                     extra = self.verboseRead(lengthCode)
1632             extraBits, extra = 0, None
1634             length, symbol, extraBits, extra = alphabet.readTupleAndExtra(
1651             symbol if skipExtra else symbol.explanation(extra),
1657         return symbol if skipExtra else symbol.value(extra)
1817         def distanceCallback(symbol, extra):  argument
1819             index, offset = symbol.value(extra)