jar_extract.py 文件源码

def parse_default(field, ftype, fdefault):
    if not (ftype == 'bool' and fdefault == 'true'):
        try:
            fdefault = literal_eval(fdefault.rstrip('LDF'))
        except (ValueError, SyntaxError):
            fdefault = None

    if type(fdefault) is int:
        if ftype[0] != 'u' and ftype[:5] != 'fixed':
            if fdefault >> 63:
                fdefault = c_long(fdefault).value
            elif fdefault >> 31 and ftype[-2:] != '64':
                fdefault = c_int(fdefault).value
        else:
            fdefault &= (1 << int(ftype[-2:])) - 1

        if ftype == 'float' and abs(fdefault) >> 23:
            fdefault = unpack('=f', pack('=i', fdefault))[0]
        elif ftype == 'double' and abs(fdefault) >> 52:
            fdefault = unpack('=d', pack('=q', fdefault))[0]

    if fdefault:
        field.default_value = str(fdefault)