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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;
}
bool WriteAttribute(hid_t const group,
char const *const name,
string const svalue)
{
return WriteAttribute(group, name, svalue.c_str());
}
// 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;
}
// Read an int attribute
bool ReadAttribute(hid_t const group,
char const * const name,
int& ivalue)
{
bool error_flag = false;
hid_t const attribute = FAILWARN(H5Aopen_name(group, name));
FAILWARN(H5Aread(attribute, H5T_NATIVE_INT, &ivalue));
FAILWARN(H5Aclose(attribute));
return error_flag;
}
// Read a double attribute
bool ReadAttribute(hid_t const group,
char const * const name,
double& dvalue)
{
bool error_flag = false;
hid_t const attribute = FAILWARN(H5Aopen_name(group, name));
FAILWARN(H5Aread(attribute, H5T_NATIVE_DOUBLE, &dvalue));
FAILWARN(H5Aclose(attribute));
return error_flag;
}
// Read a string attribute
bool ReadAttribute(hid_t const group,
char const * const name,
string& svalue)
{
bool error_flag = false;
hid_t const attribute = FAILWARN(H5Aopen_name(group, name));
hid_t const datatype = FAILWARN(H5Aget_type(attribute));
hsize_t const size = FAILWARN0(H5Tget_size(datatype));
char buf[size+1];
hid_t const memdatatype = FAILWARN(H5Tcopy(H5T_C_S1));
FAILWARN(H5Tset_size(memdatatype, size));
FAILWARN(H5Aread(attribute, memdatatype, buf));
buf[size] = '\0'; // just to be safe
svalue = string(buf);
FAILWARN(H5Tclose(memdatatype));
FAILWARN(H5Tclose(datatype));
FAILWARN(H5Aclose(attribute));
return error_flag;
}
// Read a large string attribute
bool ReadLargeAttribute(hid_t const group,
char const *const name,
string& svalue)
{
bool error_flag = false;
// Read a dataset
hid_t const dataset = FAILWARN(H5Dopen(group, name, H5P_DEFAULT));
hid_t const dataspace = FAILWARN(H5Dget_space(dataset));
int const rank = FAILWARN(H5Sget_simple_extent_ndims(dataspace));
if (rank != 1) error_flag = true;
hsize_t dims[rank];
FAILWARN(H5Sget_simple_extent_dims(dataspace, dims, NULL));
hsize_t size = 1;
for (int d=0; d<rank; ++d) size *= dims[d];
char buf[size+1];
FAILWARN(H5Dread(dataset, H5T_NATIVE_CHAR, H5S_ALL, H5S_ALL,
H5P_DEFAULT, buf));
buf[size] = '\0'; // just to be safe
svalue = string(buf);
FAILWARN(H5Sclose(dataspace));
FAILWARN(H5Dclose(dataset));
return error_flag;
}
} // namespace CarpetIOF5
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