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#include <cctk.h>
#include <algorithm>
#include <cassert>
#include <cstring>
#include <vector>
#include <hdf5.h>
#include <defs.hh>
#include "iof5.hh"
namespace CarpetIOF5 {
using namespace std;
// Write an int attribute
bool WriteAttribute (hid_t const group,
char const *const name,
int const ivalue)
{
bool error_flag = false;
hid_t const dataspace = FAILWARN (H5Screate (H5S_SCALAR));
hid_t const attribute =
FAILWARN (H5Acreate (group, name, H5T_NATIVE_INT, dataspace,
H5P_DEFAULT, H5P_DEFAULT));
FAILWARN (H5Awrite (attribute, H5T_NATIVE_INT, &ivalue));
FAILWARN (H5Aclose (attribute));
FAILWARN (H5Sclose (dataspace));
return error_flag;
}
// Write a double attribute
bool WriteAttribute (hid_t const group,
char const *const name,
double const dvalue)
{
bool error_flag = false;
hid_t const dataspace = FAILWARN (H5Screate (H5S_SCALAR));
hid_t const attribute =
FAILWARN (H5Acreate (group, name, H5T_NATIVE_INT, dataspace,
H5P_DEFAULT, H5P_DEFAULT));
FAILWARN (H5Awrite (attribute, H5T_NATIVE_DOUBLE, &dvalue));
FAILWARN (H5Aclose (attribute));
FAILWARN (H5Sclose (dataspace));
return error_flag;
}
// Write a string attribute
bool WriteAttribute (hid_t const group,
char const *const name,
char const *const svalue)
{
bool error_flag = false;
hid_t const datatype = FAILWARN (H5Tcopy (H5T_C_S1));
FAILWARN (H5Tset_size (datatype, strlen(svalue) + 1));
hid_t const dataspace = FAILWARN (H5Screate (H5S_SCALAR));
hid_t const attribute =
FAILWARN (H5Acreate (group, name, datatype, dataspace,
H5P_DEFAULT, H5P_DEFAULT));
FAILWARN (H5Awrite (attribute, datatype, svalue));
FAILWARN (H5Aclose (attribute));
FAILWARN (H5Sclose (dataspace));
FAILWARN (H5Tclose (datatype));
return error_flag;
}
// Write an array of int attributes
bool WriteAttribute (hid_t const group,
char const *const name,
int const *const ivalues,
int const nvalues)
{
bool error_flag = false;
hsize_t const size = nvalues;
hid_t const dataspace = FAILWARN (H5Screate_simple (1, &size, NULL));
hid_t const attribute =
FAILWARN (H5Acreate (group, name, H5T_NATIVE_INT,
dataspace, H5P_DEFAULT, H5P_DEFAULT));
FAILWARN (H5Awrite (attribute, H5T_NATIVE_INT, ivalues));
FAILWARN (H5Aclose (attribute));
FAILWARN (H5Sclose (dataspace));
return error_flag;
}
// Write an array of double attributes
bool WriteAttribute (hid_t const group,
char const *const name,
double const *const dvalues,
int const nvalues)
{
bool error_flag = false;
hsize_t const size = nvalues;
hid_t const dataspace = FAILWARN (H5Screate_simple (1, &size, NULL));
hid_t const attribute =
FAILWARN (H5Acreate (group, name, H5T_NATIVE_DOUBLE,
dataspace, H5P_DEFAULT, H5P_DEFAULT));
FAILWARN (H5Awrite (attribute, H5T_NATIVE_DOUBLE, dvalues));
FAILWARN (H5Aclose (attribute));
FAILWARN (H5Sclose (dataspace));
return error_flag;
}
// Write an array of string attributes
bool WriteAttribute (hid_t const group,
char const *const name,
char const *const *const svalues,
int const nvalues)
{
bool error_flag = false;
size_t maxstrlen = 0;
for (int i=0; i<nvalues; ++i) {
maxstrlen = max (maxstrlen, strlen(svalues[i]));
}
vector<char> svalue (nvalues * (maxstrlen+1));
for (int i=0; i<nvalues; ++i) {
strncpy (&svalue.at(i*maxstrlen), svalues[i], maxstrlen+1);
}
hid_t const datatype = FAILWARN (H5Tcopy (H5T_C_S1));
FAILWARN (H5Tset_size (datatype, maxstrlen + 1));
hsize_t const size = nvalues;
hid_t const dataspace = FAILWARN (H5Screate_simple (1, & size, NULL));
hid_t const attribute =
FAILWARN (H5Acreate (group, name, datatype, dataspace,
H5P_DEFAULT, H5P_DEFAULT));
FAILWARN (H5Awrite (attribute, datatype, &svalue.front()));
FAILWARN (H5Aclose (attribute));
FAILWARN (H5Sclose (dataspace));
FAILWARN (H5Tclose (datatype));
return error_flag;
}
// Write a large string attribute
bool WriteLargeAttribute (hid_t const group,
char const *const name,
char const *const svalue)
{
bool error_flag = false;
// Create a dataset, since the data may not fit into an attribute
hsize_t const size = strlen (svalue) + 1;
hid_t const dataspace = FAILWARN (H5Screate_simple (1, & size, NULL));
hid_t const dataset =
FAILWARN (H5Dcreate (group, name, H5T_NATIVE_CHAR,
dataspace, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT));
FAILWARN (H5Dwrite (dataset, H5T_NATIVE_CHAR, H5S_ALL, H5S_ALL,
H5P_DEFAULT, svalue));
FAILWARN (H5Dclose (dataset));
FAILWARN (H5Sclose (dataspace));
return error_flag;
}
} // namespace CarpetIOF5
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