std::list<unsigned long> JsonUtils::asUnsignedLongList(const Json::Value &value, const std::list<unsigned long> defaultValue, unsigned long defaultItemValue)
{
if(value.isNull() || !value.isArray())
return defaultValue;
std::list<unsigned long> output;
for(Json::ValueIterator it = value.begin(); it != value.end(); ++it)
output.push_back(asUnsignedLong(*it, defaultItemValue));
return output;
}
std::map<Ogre::String, unsigned long> JsonUtils::asStringUnsignedLongMap(const Json::Value &value)
{
std::map<Ogre::String, unsigned long> map;
if(value.isNull() || !value.isObject())
return map;
for(auto const & name : value.getMemberNames())
map.emplace(Ogre::String(name), asUnsignedLong(value[name], 0));
return map;
}
/* Unpack a sign/mag long */
long PackedNavBits::asSignMagLong(const int startBit,
const int numBits,
const int scale) const
{
// Get the magnitude
int startBitMag = startBit + 1;
int numBitsMag = numBits - 1;
unsigned long mag = asUnsignedLong(startBitMag, numBitsMag, scale);
// Get the sign bit
uint64_t uint = asUint64_t( startBit, 1 );
long smag = (long) mag;
if (uint==1) smag *= -1;
return smag;
}
extern "C" unsigned long PyLong_AsUnsignedLong(PyObject* vv) noexcept {
assert(vv);
if (vv->cls == int_cls) {
long val = PyInt_AsLong(vv);
if (val < 0) {
PyErr_SetString(PyExc_OverflowError, "can't convert negative value "
"to unsigned long");
return (unsigned long)-1;
}
return val;
}
RELEASE_ASSERT(PyLong_Check(vv), "");
BoxedLong* l = static_cast<BoxedLong*>(vv);
try {
return asUnsignedLong(l);
} catch (ExcInfo e) {
setCAPIException(e);
return -1;
}
}
