bool Stream::writeLittle(const std::string *value, std::size_t size) const
{
if (value)
{
if (size)
{
if (writeLittle(size))
{
for (unsigned int i = 0; i < size; ++i)
{
if (!writeLittle(value[i]))
{
error = true;
return false;
}
}
return true;
}
else
{
error = true;
return false;
}
}
else
{
return true;
}
}
else
{
return false;
}
}
void SplinePath::write(DataTargetRef target)
{
auto stream = target->getStream();
stream->writeLittle(size());
for (auto &point : points)
{
stream->writeLittle(point.x);
stream->writeLittle(point.y);
}
}
bool Stream::writeLittle(const std::string &value) const
{
if (!value.empty())
{
bool returnValue = writeLittle(value.size()) && writeLittle(&value[0], value.size());
error |= !returnValue;
return returnValue;
}
else
{
return true;
}
}
void GenSOM::saveFile(std::ostream &os) const
{
if (!os) {
throw std::runtime_error("GenSOM::saveFile(): "
"could not write to stream.");
}
os << "gerbilsom\x20\x20\x20\x20\x20\x20\x20"; // 16 byte "magic"
writeLittle<int32_t>(os, 3); // file version
writeLittle<int32_t>(os, 1); // data type: 1 = ieee float
writeLittle<int32_t>(os, int32_t(config.type)); // SOM type
writeLittle<int32_t>(os, int32_t(neurons.size())); // SOM size
int nbands;
if (neurons.size() > 0) {
nbands = neurons[0].size();
} else {
nbands = 0;
}
writeLittle<int32_t>(os, int32_t(nbands)); // num bands
if (!os) {
throw std::runtime_error("GenSOM::saveFile(): "
"could not write to stream.");
}
// write out neurons
for (std::vector<Neuron>::const_iterator vit = neurons.begin();
vit != neurons.end();
++vit)
{
for (Neuron::const_iterator nit = vit->begin();
nit != vit->end();
++nit)
{
writeLittle(os, *nit);
}
}
if (!os) {
throw std::runtime_error("GenSOM::saveFile(): "
"could not write to stream.");
}
}