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#include <hdf/HDFFile.hpp>
using namespace H5;
HDFFile::HDFFile() {}
//
// Open a file. By default, if the file already exists, open it in
// read/write mode. The only other flag that is allowed is
// H5F_ACC_TRUNC, which will truncate the file to zero size.
//
void HDFFile::Open(std::string fileName, unsigned int flags, const FileAccPropList& fileAccPropList)
{
assert(flags == H5F_ACC_RDWR || flags == H5F_ACC_TRUNC || flags == H5F_ACC_RDONLY);
std::ifstream testIn(fileName.c_str());
bool fileExists = static_cast<bool>(testIn);
bool flagsIsNotTrunc = flags != H5F_ACC_TRUNC;
if (fileExists and H5File::isHdf5(fileName.c_str()) and flagsIsNotTrunc) {
try {
hdfFile.openFile(fileName.c_str(), flags, fileAccPropList);
} catch (const FileIException& e) {
std::cout << "Error opening file " << fileName << std::endl;
std::exit(EXIT_FAILURE);
}
} else {
try {
//
// Open a new file with TRUNC permissions, always read/write.
//
FileCreatPropList filePropList;
filePropList.setUserblock(512);
hdfFile = H5File(fileName.c_str(), H5F_ACC_TRUNC, filePropList);
} catch (const FileIException& fileException) {
std::cout << "Error creating file " << fileName << std::endl;
std::exit(EXIT_FAILURE);
}
}
if (rootGroup.Initialize(hdfFile, "/") != 1) {
std::cout << "Error initializing the root group for file " << fileName << std::endl;
std::exit(EXIT_FAILURE);
}
}
void HDFFile::Close() { hdfFile.close(); }
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