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netcdf-c/h5_test/tst_h_enums.c

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/* This is part of the netCDF package. Copyright 2005 University
Corporation for Atmospheric Research/Unidata See COPYRIGHT file for
conditions of use.
This program excersizes HDF5 variable length array code.
$Id: tst_h_enums.c,v 1.14 2010/06/01 15:34:51 ed Exp $
*/
#include <err_macros.h>
#include <hdf5.h>
#define FILE_NAME "tst_h_enums.h5"
#define DIM1_LEN 12
#define ATT_NAME "Browings_reverse_enumerations"
#define SIZE 9
#define GRP_NAME "Browning"
#define NUM_VALS 12
#define STR_LEN 255
/* This seems like a good sonnet for enumation:
How do I love thee? Let me count the ways.
I love thee to the depth and breadth and height
My soul can reach, when feeling out of sight
For the ends of Being and ideal Grace.
I love thee to the level of everyday's
Most quiet need, by sun and candle-light.
I love thee freely, as men strive for Right;
I love thee purely, as they turn from Praise.
I love thee with a passion put to use
In my old griefs, and with my childhood's faith.
I love thee with a love I seemed to lose
With my lost saints, --- I love thee with the breath,
Smiles, tears, of all my life! --- and, if God choose,
I shall but love thee better after death.
(I gotta say, that's one dorky poem. - Ed)
*/
int
main()
{
printf("\n*** Checking HDF5 enum types.\n");
printf("*** Checking simple HDF5 enum type...");
{
hid_t fileid, grpid, spaceid, typeid, attid;
hsize_t dims[1] = {DIM1_LEN};
short data[DIM1_LEN];
short data_in[DIM1_LEN];
int i;
short val[NUM_VALS];
char love_how[NUM_VALS][STR_LEN + 1] = {"Depth", "Bredth",
"Height", "Level",
"Freely", "Purely",
"Passionately", "Lost",
"Breath", "Smiles",
"Tears", "After Death"};
/* H5T_class_t type_class;*/
size_t size;
int num_members;
short the_value;
char *member_name;
htri_t types_equal;
hid_t base_hdf_typeid;
for (i=0; i < NUM_VALS; i++)
val[i] = i*2;
for (i=0; i < DIM1_LEN; i++)
data[i] = i*2;
/* Open file. */
if ((fileid = H5Fcreate(FILE_NAME, H5F_ACC_TRUNC, H5P_DEFAULT,
H5P_DEFAULT)) < 0) ERR;
if ((grpid = H5Gcreate(fileid, GRP_NAME, 0)) < 0) ERR;
/* Create enum type. */
/* Both methods do the same thing, but Quincey says to prefer
* H5Tcreate_enum. */
/*if ((typeid = H5Tcreate(H5T_ENUM, sizeof(short))) < 0) ERR;*/
if ((typeid = H5Tenum_create(H5T_NATIVE_SHORT)) < 0) ERR;
/* Insert some values. */
for (i=0; i<NUM_VALS; i++)
if (H5Tenum_insert(typeid, love_how[i], &val[i]) < 0) ERR;
/* Write an attribute of this type. */
if ((spaceid = H5Screate_simple(1, dims, NULL)) < 0) ERR;
if ((attid = H5Acreate(grpid, ATT_NAME, typeid, spaceid,
H5P_DEFAULT)) < 0) ERR;
if (H5Awrite(attid, typeid, data) < 0) ERR;
/* Close everything. */
if (H5Aclose(attid) < 0 ||
H5Tclose(typeid) < 0 ||
H5Gclose(grpid) < 0 ||
H5Fclose(fileid) < 0) ERR;
/* Reopen the file. */
if ((fileid = H5Fopen(FILE_NAME, H5F_ACC_RDWR,
H5P_DEFAULT)) < 0) ERR;
if ((grpid = H5Gopen(fileid, GRP_NAME)) < 0) ERR;
/* Check the attribute's type. */
if ((attid = H5Aopen_name(grpid, ATT_NAME)) < 0) ERR;
if ((typeid = H5Aget_type(attid)) < 0) ERR;
/* if ((type_class = H5Tget_class(typeid)) != H5T_ENUM) ERR;*/
num_members = H5Tget_nmembers(typeid);
if (num_members != NUM_VALS) ERR;
size = H5Tget_size(typeid);
if (size != 2) ERR;
if ((base_hdf_typeid = H5Tget_super(typeid)) < 0) ERR;
if ((types_equal = H5Tequal(base_hdf_typeid, H5T_NATIVE_SHORT)) < 0) ERR;
if (!types_equal) ERR;
/* Check each value and number in the enum. */
for (i=0; i < NUM_VALS; i++)
{
if (H5Tget_member_value(typeid, i, &the_value) < 0) ERR;
if (the_value != val[i]) ERR;
member_name = H5Tget_member_name(typeid, i);
if (strcmp(member_name, love_how[i])) ERR;
free(member_name);
}
/* Now read the data in the attribute and make sure it's what we
* expect it to be. */
if (H5Aread(attid, typeid, data_in) < 0) ERR;
for (i=0; i < DIM1_LEN; i++)
if (data_in[i] != data[i]) ERR;
/* Close it all again. */
if (H5Aclose(attid) < 0 ||
H5Tclose(typeid) < 0 ||
H5Gclose(grpid) < 0 ||
H5Fclose(fileid) < 0) ERR;
}
SUMMARIZE_ERR;
printf("*** Checking HDF5 enum type missing values...");
{
#define NUM_LANG 4
#define VAR_LANG_NAME "Programming_Language"
#define FV_NAME "_FillValue"
#define GRP_NAME2 "NetCDF_Programming"
hid_t datasetid, mem_spaceid, fileid, grpid, spaceid, typeid, plistid;
hid_t file_spaceid, attid, att_spaceid;
hsize_t dims[1] = {DIM1_LEN};
short data_in[DIM1_LEN];
int i;
short val[NUM_LANG];
char lang[NUM_LANG][STR_LEN + 1] = {"C", "Fortran", "C++", "MISSING"};
enum langs {CLANG=0, Fortran=1, CPP=2, MISSING=255};
short the_value, fill_value = MISSING, data_point = CLANG;
hsize_t start[1] = {1}, count[1] = {1};
int num_members;
size_t size;
hid_t base_hdf_typeid;
/* H5T_class_t type_class;*/
char *member_name;
htri_t types_equal;
val[0] = CLANG;
val[1] = Fortran;
val[2] = CPP;
val[3] = MISSING;
/* Open file. */
if ((fileid = H5Fcreate(FILE_NAME, H5F_ACC_TRUNC, H5P_DEFAULT,
H5P_DEFAULT)) < 0) ERR;
if ((grpid = H5Gcreate(fileid, GRP_NAME2, 0)) < 0) ERR;
/* Create enum type. */
if ((typeid = H5Tenum_create(H5T_NATIVE_SHORT)) < 0) ERR;
/* Insert some values. */
for (i=0; i<NUM_LANG; i++)
if (H5Tenum_insert(typeid, lang[i], &val[i]) < 0) ERR;
/* Create a dataset of this enum type, with fill value. */
if ((spaceid = H5Screate_simple(1, dims, NULL)) < 0) ERR;
if ((plistid = H5Pcreate(H5P_DATASET_CREATE)) < 0) ERR;
if (H5Pset_fill_value(plistid, typeid, &fill_value) < 0) ERR;
if ((datasetid = H5Dcreate(grpid, VAR_LANG_NAME, typeid,
spaceid, plistid)) < 0) ERR;
/* Create a netCDFstyle _FillValue attribute, though it will be
* ignored by HDF5. */
if ((att_spaceid = H5Screate(H5S_SCALAR)) < 0) ERR;
if ((attid = H5Acreate(grpid, FV_NAME, typeid, att_spaceid,
H5P_DEFAULT)) < 0) ERR;
if (H5Awrite(attid, typeid, &fill_value) < 0) ERR;
/* Write one value, the rest will end up set to MISSING. */
if ((mem_spaceid = H5Screate(H5S_SCALAR)) < 0) ERR;
if ((file_spaceid = H5Screate_simple(1, dims, NULL)) < 0) ERR;
if (H5Sselect_hyperslab(file_spaceid, H5S_SELECT_SET,
start, NULL, count, NULL) < 0) ERR;
if (H5Dwrite(datasetid, typeid, mem_spaceid, file_spaceid,
H5P_DEFAULT, &data_point) < 0) ERR;
/* Close everything. */
if (H5Sclose(spaceid) < 0 ||
H5Sclose(mem_spaceid) < 0 ||
H5Aclose(attid) < 0 ||
H5Sclose(file_spaceid) < 0 ||
H5Dclose(datasetid) < 0 ||
H5Pclose(plistid) < 0 ||
H5Tclose(typeid) < 0 ||
H5Gclose(grpid) < 0 ||
H5Fclose(fileid) < 0) ERR;
/* Reopen the file. */
if ((fileid = H5Fopen(FILE_NAME, H5F_ACC_RDWR, H5P_DEFAULT)) < 0) ERR;
if ((grpid = H5Gopen(fileid, GRP_NAME2)) < 0) ERR;
/* Check the variable's type. */
if ((datasetid = H5Dopen1(grpid, VAR_LANG_NAME)) < 0) ERR;
if ((typeid = H5Dget_type(datasetid)) < 0) ERR;
/* if ((type_class = H5Tget_class(typeid)) != H5T_ENUM) ERR;*/
num_members = H5Tget_nmembers(typeid);
if (num_members != NUM_LANG) ERR;
size = H5Tget_size(typeid);
if (size != sizeof(short)) ERR;
if ((base_hdf_typeid = H5Tget_super(typeid)) < 0) ERR;
if ((types_equal = H5Tequal(base_hdf_typeid, H5T_NATIVE_SHORT)) < 0) ERR;
if (!types_equal) ERR;
/* Check each value and number in the enum. */
for (i=0; i < NUM_LANG; i++)
{
if (H5Tget_member_value(typeid, i, &the_value) < 0) ERR;
if (the_value != val[i]) ERR;
member_name = H5Tget_member_name(typeid, i);
if (strcmp(member_name, lang[i])) ERR;
free(member_name);
}
/* Now read the data in the dataset and make sure it's what we
* expect it to be. */
if (H5Dread(datasetid, typeid, H5S_ALL, H5S_ALL, H5P_DEFAULT, data_in) < 0) ERR;
for (i=0; i < DIM1_LEN; i++)
if (i == 1)
{
if (data_in[i] != data_point) ERR;
}
else
if (data_in[i] != MISSING) ERR;
/* Close it all again. */
if (H5Dclose(datasetid) < 0 ||
H5Tclose(typeid) < 0 ||
H5Gclose(grpid) < 0 ||
H5Fclose(fileid) < 0) ERR;
}
SUMMARIZE_ERR;
/* printf("*** Checking HDF5 enum interuptus..."); */
/* { */
/* #define GRP_NAME3 "STOP!" */
/* hid_t fileid, grpid, typeid; */
/* /\* Open file. *\/ */
/* if ((fileid = H5Fcreate(FILE_NAME, H5F_ACC_TRUNC, H5P_DEFAULT, */
/* H5P_DEFAULT)) < 0) ERR; */
/* if ((grpid = H5Gcreate(fileid, GRP_NAME3, 0)) < 0) ERR; */
/* /\* Create enum type. *\/ */
/* if ((typeid = H5Tenum_create(H5T_NATIVE_SHORT)) < 0) ERR; */
/* /\* Commit the type. This doesn't work, because no members were */
/* * specified. *\/ */
/* if (!H5Tcommit(grpid, "name", typeid) < 0) ERR; */
/* /\* Close everything. *\/ */
/* if (H5Tclose(typeid) < 0 || */
/* H5Gclose(grpid) < 0 || */
/* H5Fclose(fileid) < 0) ERR; */
/* } */
/* SUMMARIZE_ERR; */
FINAL_RESULTS;
}
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