highfive/bits/h5d_wrapper.hpp

0001 #pragma once
0002
0003 #include <H5Dpublic.h>
0004 #include <H5Ipublic.h>
0005
0006 namespace HighFive {
0007 namespace detail {
0008
0009
0010 #if !H5_VERSION_GE(1, 12, 0)
0011 inline herr_t h5d_vlen_reclaim(hid_t type_id, hid_t space_id, hid_t dxpl_id, void* buf) {
0012     herr_t err = H5Dvlen_reclaim(type_id, space_id, dxpl_id, buf);
0013     if (err < 0) {
0014         throw DataSetException("Failed to reclaim HDF5 internal memory");
0015     }
0016
0017     return err;
0018 }
0019 #endif
0020
0021 inline hsize_t h5d_get_storage_size(hid_t dset_id) {
0022     // Docs:
0023     //    H5Dget_storage_size() does not differentiate between 0 (zero), the
0024     //    value returned for the storage size of a dataset with no stored values,
0025     //    and 0 (zero), the value returned to indicate an error.
0026     return H5Dget_storage_size(dset_id);
0027 }
0028
0029 inline hid_t h5d_get_space(hid_t dset_id) {
0030     hid_t dset = H5Dget_space(dset_id);
0031     if (dset == H5I_INVALID_HID) {
0032         HDF5ErrMapper::ToException<DataSetException>(
0033             std::string("Unable to get dataspace of the dataset"));
0034     }
0035
0036     return dset;
0037 }
0038
0039 inline hid_t h5d_get_type(hid_t dset_id) {
0040     hid_t type_id = H5Dget_type(dset_id);
0041     if (type_id == H5I_INVALID_HID) {
0042         HDF5ErrMapper::ToException<DataSetException>(
0043             std::string("Unable to get datatype of the dataset"));
0044     }
0045
0046     return type_id;
0047 }
0048
0049 inline herr_t h5d_read(hid_t dset_id,
0050                        hid_t mem_type_id,
0051                        hid_t mem_space_id,
0052                        hid_t file_space_id,
0053                        hid_t dxpl_id,
0054                        void* buf) {
0055     herr_t err = H5Dread(dset_id, mem_type_id, mem_space_id, file_space_id, dxpl_id, buf);
0056     if (err < 0) {
0057         HDF5ErrMapper::ToException<DataSetException>(std::string("Unable to read the dataset"));
0058     }
0059
0060     return err;
0061 }
0062
0063 inline herr_t h5d_write(hid_t dset_id,
0064                         hid_t mem_type_id,
0065                         hid_t mem_space_id,
0066                         hid_t file_space_id,
0067                         hid_t dxpl_id,
0068                         const void* buf) {
0069     herr_t err = H5Dwrite(dset_id, mem_type_id, mem_space_id, file_space_id, dxpl_id, buf);
0070     if (err < 0) {
0071         HDF5ErrMapper::ToException<DataSetException>(std::string("Unable to write the dataset"));
0072     }
0073
0074     return err;
0075 }
0076
0077 inline haddr_t h5d_get_offset(hid_t dset_id) {
0078     uint64_t addr = H5Dget_offset(dset_id);
0079     if (addr == HADDR_UNDEF) {
0080         HDF5ErrMapper::ToException<DataSetException>("Cannot get offset of DataSet.");
0081     }
0082     return addr;
0083 }
0084
0085
0086 inline herr_t h5d_set_extent(hid_t dset_id, const hsize_t size[]) {
0087     herr_t err = H5Dset_extent(dset_id, size);
0088     if (H5Dset_extent(dset_id, size) < 0) {
0089         HDF5ErrMapper::ToException<DataSetException>("Could not resize dataset.");
0090     }
0091
0092     return err;
0093 }
0094
0095 inline hid_t h5d_create2(hid_t loc_id,
0096                          const char* name,
0097                          hid_t type_id,
0098                          hid_t space_id,
0099                          hid_t lcpl_id,
0100                          hid_t dcpl_id,
0101                          hid_t dapl_id) {
0102     hid_t dataset_id = H5Dcreate2(loc_id, name, type_id, space_id, lcpl_id, dcpl_id, dapl_id);
0103
0104     if (dataset_id == H5I_INVALID_HID) {
0105         HDF5ErrMapper::ToException<DataSetException>(
0106             std::string("Failed to create the dataset \"") + name + "\":");
0107     }
0108
0109     return dataset_id;
0110 }
0111
0112 inline hid_t h5d_open2(hid_t loc_id, const char* name, hid_t dapl_id) {
0113     hid_t dataset_id = H5Dopen2(loc_id, name, dapl_id);
0114
0115     if (dataset_id == H5I_INVALID_HID) {
0116         HDF5ErrMapper::ToException<DataSetException>(std::string("Unable to open the dataset \"") +
0117                                                      name + "\":");
0118     }
0119
0120     return dataset_id;
0121 }
0122
0123
0124 }  // namespace detail
0125 }  // namespace HighFive