portelli/Grid
1
0
Fork 0
mirror of https://github.com/paboyle/Grid.git synced 2025-06-17 15:27:06 +01:00
Code Releases Activity

HDF5 serial IO implemented and tested

Browse Source
This commit is contained in:
Antonin Portelli
2017-01-18 16:50:21 -08:00
parent 5803933aea
commit f599cb5b17
4 changed files with 412 additions and 98 deletions
Download Patch File Download Diff File Expand all files Collapse all files

61
lib/serialisation/Hdf5IO.cc
View File

@ -11,11 +11,8 @@ Hdf5Writer::Hdf5Writer(const std::string &fileName)
, file_(fileName.c_str(), H5F_ACC_TRUNC)
{
group_ = file_.openGroup("/");
}
Hdf5Writer::~Hdf5Writer(void)
{
file_.close();
writeSingleAttribute(dataSetThres_, HDF5_GRID_GUARD "dataset_threshold",
*Hdf5Type<unsigned int>::type);
}
void Hdf5Writer::push(const std::string &s)
@ -47,12 +44,8 @@ template <>
void Hdf5Writer::writeDefault(const std::string &s, const std::string &x)
{
StrType strType(PredType::C_S1, x.size());
Attribute attribute;
hsize_t attrDim = 1;
DataSpace attrSpace(1, &attrDim);
attribute = group_.createAttribute(s, strType, attrSpace);
attribute.write(strType, x.data());
writeSingleAttribute(*(x.data()), s, strType);
}
void Hdf5Writer::writeDefault(const std::string &s, const char *x)
@ -64,21 +57,55 @@ void Hdf5Writer::writeDefault(const std::string &s, const char *x)
// Reader implementation ///////////////////////////////////////////////////////
Hdf5Reader::Hdf5Reader(const std::string &fileName)
: fileName_(fileName)
, file_(fileName.c_str(), H5F_ACC_RDONLY)
{
}
Hdf5Reader::~Hdf5Reader(void)
{
group_ = file_.openGroup("/");
readSingleAttribute(dataSetThres_, HDF5_GRID_GUARD "dataset_threshold",
*Hdf5Type<unsigned int>::type);
}
void Hdf5Reader::push(const std::string &s)
{
group_ = group_.openGroup(s);
path_.push_back(s);
}
void Hdf5Reader::pop(void)
{
path_.pop_back();
if (path_.empty())
{
group_ = file_.openGroup("/");
}
else
{
auto binOp = [](const std::string &a, const std::string &b)->std::string
{
return a + "/" + b;
};
group_ = group_.openGroup(std::accumulate(path_.begin(), path_.end(),
std::string(""), binOp));
}
}
template <>
void Hdf5Reader::readDefault(const std::string &s, std::string &x)
{
Attribute attribute;
attribute = group_.openAttribute(s);
StrType strType = attribute.getStrType();
x.resize(strType.getSize());
attribute.read(strType, &(x[0]));
std::cout << "length: " << strType.getSize() << std::endl;
std::cout << "string: |";
for (auto &c: x)
{
std::cout << "'" << c << "'|";
}
std::cout << std::endl;
}