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#include "HDFFile.hpp"
using namespace H5;
using namespace std;
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(string fileName, unsigned int flags,
const FileAccPropList& fileAccPropList) {
assert (flags == H5F_ACC_RDWR || flags == H5F_ACC_TRUNC || flags == H5F_ACC_RDONLY);
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 (FileIException e) {
cout << "Error opening file " << fileName << endl;
exit(1);
}
}
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 (FileIException fileException) {
cout << "Error creating file " << fileName << endl;
exit(1);
}
}
if (rootGroup.Initialize(hdfFile, "/") != 1) {
cout << "Error initializing the root group for file " << fileName << endl;
exit(1);
}
}
void HDFFile::Close() {
hdfFile.close();
}
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