forked from Unidata/netcdf-c
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tst_utf8.c
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/
tst_utf8.c
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/* This is part of the netCDF package.
Copyright 2006 University Corporation for Atmospheric Research/Unidata.
See COPYRIGHT file for conditions of use.
This is a very simple example which writes a netCDF file with
Unicode names encoded with UTF-8. It is the NETCDF3 equivalent
of tst_unicode.c
$Id: tst_utf8.c,v 1.14 2008/10/20 01:48:09 ed Exp $
*/
#include <config.h>
#include <stdlib.h>
#include <nc_tests.h>
#include "err_macros.h"
#include <netcdf.h>
#include <string.h>
/* The data file we will create. */
#define FILE_NAME "tst_utf8.nc"
#define NDIMS 1
#define NX 18
#define ENUM_VALUE 2
/* (unnormalized) UTF-8 encoding for Unicode 8-character "Hello" in Greek */
char name_utf8[] = "\xCE\x9A\xCE\xB1\xCE\xBB\xCE\xB7\xCE\xBC\xE1\xBD\xB3\xCF\x81\xCE\xB1";
/* NFC normalized UTF-8 for Unicode 8-character "Hello" in Greek */
char norm_utf8[] = "\xCE\x9A\xCE\xB1\xCE\xBB\xCE\xB7\xCE\xBC\xCE\xAD\xCF\x81\xCE\xB1";
/* This is the struct for the compound type. */
struct comp {
int i;
};
/* Given an ncid, check the file to make sure it has all the objects I
* expect. */
int
check_nc4_file(int ncid)
{
int varid, dimid, attnum, grpid, grpid2, grpid3, numgrps;
int numtypes, enum_typeid, comp_typeid;
int class_in;
size_t att_len, size_in, num_mem, nfields_in;
nc_type att_type, base_type_in;
char name_in[NC_MAX_NAME + 1], strings_in[NC_MAX_NAME + 1], value;
/* Check the group. */
if (nc_inq_grps(ncid, &numgrps, &grpid)) ERR;
if (numgrps != 1) ERR;
name_in[0] = 0;
if (nc_inq_grpname(grpid, name_in)) ERR;
if (strncmp(norm_utf8, name_in, sizeof(norm_utf8))) ERR;
/* Check the variable. */
if (nc_inq_varid(grpid, name_utf8, &varid)) ERR;
if (nc_inq_varname(grpid, varid, name_in)) ERR;
if (strncmp(norm_utf8, name_in, sizeof(norm_utf8))) ERR;
if (nc_inq_varid(grpid, norm_utf8, &varid)) ERR;
name_in[0] = 0;
if (nc_inq_varname(grpid, varid, name_in)) ERR;
if (strncmp(norm_utf8, name_in, sizeof(norm_utf8))) ERR;
if (nc_get_var(grpid, varid, strings_in)) ERR;
if (strncmp(name_utf8, strings_in, sizeof(name_utf8))) ERR;
strings_in[0] = '\0'; /* Reset my string buffer. */
/* Check the dimension. */
if (nc_inq_dimid(grpid, name_utf8, &dimid)) ERR;
if (nc_inq_dimname(grpid, dimid, name_in)) ERR;
if (strncmp(norm_utf8, name_in, sizeof(norm_utf8))) ERR;
if (nc_inq_dimid(grpid, norm_utf8, &dimid)) ERR;
if (nc_inq_dimname(grpid, dimid, name_in)) ERR;
if (strncmp(norm_utf8, name_in, sizeof(norm_utf8))) ERR;
/* Check the attribute. We don't normalize data or attribute
* values, so get exactly what was put for the value, but
* normalized values for names. */
if (nc_inq_attid(grpid, varid, norm_utf8, &attnum)) ERR;
if (attnum) ERR;
attnum = 99; /* Reset. */
if (nc_inq_attid(grpid, varid, name_utf8, &attnum)) ERR;
if (attnum) ERR;
if (nc_inq_att(grpid, varid, norm_utf8, &att_type, &att_len)) ERR;
if (att_type != NC_CHAR || att_len != sizeof(name_utf8)) ERR;
if (nc_get_att_text(grpid, varid, norm_utf8, strings_in)) ERR;
if (strncmp(name_utf8, strings_in, sizeof(name_utf8))) ERR;
/* Check the enum type. */
if (nc_inq_grps(grpid, &numgrps, &grpid2)) ERR;
if (numgrps != 1) ERR;
if (nc_inq_typeids(grpid2, &numtypes, &enum_typeid)) ERR;
if (numtypes != 1) ERR;
if (nc_inq_user_type(grpid2, enum_typeid, name_in, &size_in, &base_type_in,
&nfields_in, &class_in)) ERR;
if (strncmp(norm_utf8, name_in, strlen(norm_utf8)) || size_in != 1 ||
base_type_in != NC_BYTE || nfields_in != 1 || class_in != NC_ENUM) ERR;
name_in[0] = size_in = base_type_in = 0;
if (nc_inq_enum(grpid2, enum_typeid, name_in, &base_type_in, &size_in, &num_mem)) ERR;
if (strncmp(norm_utf8, name_in, strlen(norm_utf8)) || size_in != 1 ||
base_type_in != NC_BYTE || num_mem != 1) ERR;
if (nc_inq_enum_member(grpid2, enum_typeid, 0, name_in, &value)) ERR;
if (strncmp(norm_utf8, name_in, sizeof(norm_utf8)) || value != ENUM_VALUE) ERR;
/* Check the compound type. */
if (nc_inq_grps(grpid2, &numgrps, &grpid3)) ERR;
if (numgrps != 1) ERR;
if (nc_inq_typeids(grpid3, &numtypes, &comp_typeid)) ERR;
if (numtypes != 1) ERR;
name_in[0] = 0;
if (nc_inq_user_type(grpid3, comp_typeid, name_in, &size_in, &base_type_in,
&nfields_in, &class_in)) ERR;
if (strncmp(norm_utf8, name_in, sizeof(norm_utf8)) || size_in != sizeof(struct comp) ||
base_type_in != NC_NAT || nfields_in != 1 || class_in != NC_COMPOUND) ERR;
size_in = nfields_in = 999;
if (nc_inq_compound(grpid3, comp_typeid, name_in, &size_in, &nfields_in)) ERR;
if (strncmp(norm_utf8, name_in, sizeof(norm_utf8)) || size_in != sizeof(struct comp) ||
nfields_in != 1) ERR;
name_in[0] = 0;
if (nc_inq_compound_fieldname(grpid3, comp_typeid, 0, name_in)) ERR;
if (strncmp(norm_utf8, name_in, sizeof(norm_utf8))) ERR;
return NC_NOERR;
}
/* Given an ncid, check the file to make sure it has all the objects I
* expect. */
int
check_classic_file(int ncid)
{
int varid, dimid, attnum;
size_t att_len;
nc_type att_type;
char name_in[sizeof(name_utf8) + 1], strings_in[sizeof(name_utf8) + 1];
/* Check the variable. */
if (nc_inq_varid(ncid, name_utf8, &varid)) ERR;
if (nc_inq_varname(ncid, varid, name_in)) ERR;
if (strncmp(norm_utf8, name_in, sizeof(norm_utf8))) ERR;
if (nc_inq_varid(ncid, norm_utf8, &varid)) ERR;
name_in[0] = 0;
if (nc_inq_varname(ncid, varid, name_in)) ERR;
if (strncmp(norm_utf8, name_in, sizeof(norm_utf8))) ERR;
if (nc_get_var_text(ncid, varid, strings_in)) ERR;
if (strncmp(name_utf8, strings_in, sizeof(name_utf8))) ERR;
strings_in[0] = '\0'; /* Reset my string buffer. */
/* Check the dimension. */
if (nc_inq_dimid(ncid, name_utf8, &dimid)) ERR;
if (nc_inq_dimname(ncid, dimid, name_in)) ERR;
if (strncmp(norm_utf8, name_in, sizeof(norm_utf8))) ERR;
if (nc_inq_dimid(ncid, norm_utf8, &dimid)) ERR;
if (nc_inq_dimname(ncid, dimid, name_in)) ERR;
if (strncmp(norm_utf8, name_in, sizeof(norm_utf8))) ERR;
/* Check the attribute. We don't normalize data or attribute
* values, so get exactly what was put for the value, but
* normalized values for names. */
if (nc_inq_attid(ncid, varid, norm_utf8, &attnum)) ERR;
if (attnum) ERR;
attnum = 99; /* Reset. */
if (nc_inq_attid(ncid, varid, name_utf8, &attnum)) ERR;
if (attnum) ERR;
if (nc_inq_att(ncid, varid, norm_utf8, &att_type, &att_len)) ERR;
if (att_type != NC_CHAR || att_len != sizeof(name_utf8)) ERR;
if (nc_get_att_text(ncid, varid, norm_utf8, strings_in)) ERR;
if (strncmp(name_utf8, strings_in, sizeof(name_utf8))) ERR;
return NC_NOERR;
}
int
main(int argc, char **argv)
{
printf("\n*** Testing UTF-8 names.\n");
printf("*** creating UTF-8 names in classic model netcdf files...");
{
int ncid, varid, dimids[NDIMS];
int f;
for (f = NC_FORMAT_CLASSIC; f < NC_FORMAT_NETCDF4_CLASSIC; f++)
{
if (nc_set_default_format(f, NULL)) ERR;
if (nc_create(FILE_NAME, NC_CLOBBER, &ncid)) ERR;
/* Define various netcdf objects with a Unicode UTF-8 encoded name
* that must be normalized. Where possible, also use the utf8
* string as the value. The name will be normalized, but not the
* value. */
if (nc_def_dim(ncid, name_utf8, NX, &dimids[0])) ERR;
if (nc_def_var(ncid, name_utf8, NC_CHAR, NDIMS, dimids, &varid)) ERR;
if (nc_put_att_text(ncid, varid, name_utf8, sizeof(name_utf8), name_utf8)) ERR;
if (nc_enddef(ncid)) ERR;
/* Write var data. */
if (nc_put_var_text(ncid, varid, name_utf8)) ERR;
/* Check the file. */
check_classic_file(ncid);
if (nc_close(ncid)) ERR;
/* Reopen the file and check again. */
if (nc_open(FILE_NAME, NC_NOWRITE, &ncid)) ERR;
check_classic_file(ncid);
if (nc_close(ncid)) ERR;
} /* next format */
}
SUMMARIZE_ERR;
#define DIM1_NAME "d1"
#define VAR1_NAME "v1"
#define ATT1_NAME "a1"
printf("*** renaming to UTF-8 names in classic model netcdf files...");
{
int ncid, varid, dimids[NDIMS];
int f;
for (f = NC_FORMAT_CLASSIC; f < NC_FORMAT_NETCDF4_CLASSIC; f++)
{
if (nc_set_default_format(f, NULL)) ERR;
if (nc_create(FILE_NAME, NC_CLOBBER, &ncid)) ERR;
/* Create objects. */
if (nc_def_dim(ncid, DIM1_NAME, NX, &dimids[0])) ERR;
if (nc_rename_dim(ncid, 0, name_utf8)) ERR;
if (nc_def_var(ncid, name_utf8, NC_CHAR, NDIMS, dimids, &varid)) ERR;
if (nc_put_att_text(ncid, varid, ATT1_NAME, sizeof(name_utf8), name_utf8)) ERR;
if (nc_rename_att(ncid, 0, ATT1_NAME, name_utf8)) ERR;
if (nc_enddef(ncid)) ERR;
/* Write var data. */
if (nc_put_var_text(ncid, varid, name_utf8)) ERR;
/* Check the file. */
check_classic_file(ncid);
if (nc_close(ncid)) ERR;
/* Reopen the file and check again. */
if (nc_open(FILE_NAME, NC_NOWRITE, &ncid)) ERR;
check_classic_file(ncid);
if (nc_close(ncid)) ERR;
} /* next format */
}
SUMMARIZE_ERR;
printf("*** creating UTF-8 names in netcdf-4 file...");
{
int ncid, varid, grpid, comp_typeid, enum_typeid, grpid2, grpid3;
int dimids[NDIMS];
char my_int = ENUM_VALUE;
if (nc_create(FILE_NAME, NC_NETCDF4 | NC_CLOBBER, &ncid)) ERR;
/* Define various netcdf objects with a Unicode UTF-8 encoded name
* that must be normalized. Where possible, also use the utf8
* string as the value. The name will be normalized, but not the
* value. */
if (nc_def_grp(ncid, name_utf8, &grpid)) ERR;
if (nc_def_dim(grpid, name_utf8, NX, &dimids[0])) ERR;
if (nc_def_var(grpid, name_utf8, NC_CHAR, NDIMS, dimids, &varid)) ERR;
if (nc_put_att_text(grpid, varid, name_utf8, sizeof(name_utf8), name_utf8)) ERR;
if (nc_def_grp(grpid, "tmp", &grpid2)) ERR;
if (nc_def_enum(grpid2, NC_BYTE, name_utf8, &enum_typeid)) ERR;
if (nc_insert_enum(grpid2, enum_typeid, name_utf8, &my_int)) ERR;
if (nc_def_grp(grpid2, "tmp", &grpid3)) ERR;
if (nc_def_compound(grpid3, sizeof(struct comp), name_utf8, &comp_typeid)) ERR;
if (nc_insert_compound(grpid3, comp_typeid, name_utf8, offsetof(struct comp, i), NC_INT)) ERR;
/* Write var data. */
if (nc_put_var_text(grpid, varid, name_utf8)) ERR;
/* Check the file. */
check_nc4_file(ncid);
if (nc_close(ncid)) ERR;
/* Reopen the file and check again. */
if (nc_open(FILE_NAME, NC_NOWRITE, &ncid)) ERR;
check_nc4_file(ncid);
if (nc_close(ncid)) ERR;
}
SUMMARIZE_ERR;
FINAL_RESULTS;
}