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netcdf-c/nc_test/tst_norm.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 tests NFC normalization of
Unicode names encoded with UTF-8.
$Id: tst_norm.c 2792 2014-10-27 06:02:59Z wkliao $
*/
#include <config.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <netcdf.h>
#ifdef USE_PARALLEL
#include <netcdf_par.h>
#endif
#include <nc_tests.h>
#include "err_macros.h"
/* The data file we will create. */
#define FILE7_NAME "tst_norm.nc"
#define UNITS "units"
#define NDIMS 1
#define NX 18
int
main(int argc, char **argv)
{
int ncid, dimid, varid;
int dimids[NDIMS];
/* unnormalized UTF-8 encoding for Unicode 8-character "Hello" in Greek: */
unsigned char uname_utf8[] = {
0x41, /* LATIN CAPITAL LETTER A */
0xCC, 0x80, /* COMBINING GRAVE ACCENT */
0x41, /* LATIN CAPITAL LETTER A */
0xCC, 0x81, /* COMBINING ACUTE ACCENT */
0x41, /* LATIN CAPITAL LETTER A */
0xCC, 0x82, /* COMBINING CIRCUMFLEX ACCENT */
0x41, /* LATIN CAPITAL LETTER A */
0xCC, 0x83, /* COMBINING TILDE */
0x41, /* LATIN CAPITAL LETTER A */
0xCC, 0x88, /* COMBINING DIAERESIS */
0x41, /* LATIN CAPITAL LETTER A */
0xCC, 0x8A, /* COMBINING RING ABOVE */
0x43, /* LATIN CAPITAL LETTER C */
0xCC, 0xA7, /* COMBINING CEDILLA */
0x45, /* LATIN CAPITAL LETTER E */
0xCC, 0x80, /* COMBINING GRAVE ACCENT */
0x45, /* LATIN CAPITAL LETTER E */
0xCC, 0x81, /* COMBINING ACUTE ACCENT */
0x45, /* LATIN CAPITAL LETTER E */
0xCC, 0x82, /* COMBINING CIRCUMFLEX ACCENT */
0x45, /* LATIN CAPITAL LETTER E */
0xCC, 0x88, /* COMBINING DIAERESIS */
0x49, /* LATIN CAPITAL LETTER I */
0xCC, 0x80, /* COMBINING GRAVE ACCENT */
0x49, /* LATIN CAPITAL LETTER I */
0xCC, 0x81, /* COMBINING ACUTE ACCENT */
0x49, /* LATIN CAPITAL LETTER I */
0xCC, 0x82, /* COMBINING CIRCUMFLEX ACCENT */
0x49, /* LATIN CAPITAL LETTER I */
0xCC, 0x88, /* COMBINING DIAERESIS */
0x4E, /* LATIN CAPITAL LETTER N */
0xCC, 0x83, /* COMBINING TILDE */
0x00
};
/* NFC normalized UTF-8 encoding for same Unicode string: */
unsigned char nname_utf8[] = {
0xC3, 0x80, /* LATIN CAPITAL LETTER A WITH GRAVE */
0xC3, 0x81, /* LATIN CAPITAL LETTER A WITH ACUTE */
0xC3, 0x82, /* LATIN CAPITAL LETTER A WITH CIRCUMFLEX */
0xC3, 0x83, /* LATIN CAPITAL LETTER A WITH TILDE */
0xC3, 0x84, /* LATIN CAPITAL LETTER A WITH DIAERESIS */
0xC3, 0x85, /* LATIN CAPITAL LETTER A WITH RING ABOVE */
0xC3, 0x87, /* LATIN CAPITAL LETTER C WITH CEDILLA */
0xC3, 0x88, /* LATIN CAPITAL LETTER E WITH GRAVE */
0xC3, 0x89, /* LATIN CAPITAL LETTER E WITH ACUTE */
0xC3, 0x8A, /* LATIN CAPITAL LETTER E WITH CIRCUMFLEX */
0xC3, 0x8B, /* LATIN CAPITAL LETTER E WITH DIAERESIS */
0xC3, 0x8C, /* LATIN CAPITAL LETTER I WITH GRAVE */
0xC3, 0x8D, /* LATIN CAPITAL LETTER I WITH ACUTE */
0xC3, 0x8E, /* LATIN CAPITAL LETTER I WITH CIRCUMFLEX */
0xC3, 0x8F, /* LATIN CAPITAL LETTER I WITH DIAERESIS */
0xC3, 0x91, /* LATIN CAPITAL LETTER N WITH TILDE */
0x00
};
/* Unnormalized name used for dimension, variable, and attribute value */
#define UNAME ((char *) uname_utf8)
#define UNAMELEN (sizeof uname_utf8)
/* Normalized name */
#define NNAME ((char *) nname_utf8)
#define NNAMELEN (sizeof nname_utf8)
char name_in[UNAMELEN + 1], strings_in[UNAMELEN + 1];
nc_type att_type;
size_t att_len;
int res;
int dimid_in, varid_in, attnum_in;
int attvals[] = {42};
#define ATTNUM ((sizeof attvals)/(sizeof attvals[0]))
#ifdef TEST_PNETCDF
MPI_Init(&argc, &argv);
#endif
printf("\n*** testing UTF-8 normalization...");
#ifdef TEST_PNETCDF
if((res = nc_create_par(FILE7_NAME, NC_CLOBBER|NC_PNETCDF, MPI_COMM_WORLD, MPI_INFO_NULL,&ncid)))
#else
if((res = nc_create(FILE7_NAME, NC_CLOBBER, &ncid)))
#endif
ERR;
/* Define dimension with unnormalized Unicode UTF-8 encoded name */
if ((res = nc_def_dim(ncid, UNAME, NX, &dimid)))
ERR;
dimids[0] = dimid;
/* Define variable with same name */
if ((res = nc_def_var(ncid, UNAME, NC_CHAR, NDIMS, dimids, &varid)))
ERR;
/* Create string attribute with same value */
if ((res = nc_put_att_text(ncid, varid, UNITS, UNAMELEN, UNAME)))
ERR;
/* Create int attribute with same name */
if ((res = nc_put_att_int(ncid, varid, UNAME, NC_INT, ATTNUM, attvals)))
ERR;
/* Try to create dimension and variable with NFC-normalized
* version of same name. These should fail, as unnormalized name
* should have been normalized in library, so these are attempts to
* create duplicate netCDF objects. */
if ((res = nc_def_dim(ncid, NNAME, NX, &dimid)) != NC_ENAMEINUSE)
ERR;
if ((res = nc_def_var(ncid, NNAME, NC_CHAR, NDIMS, dimids, &varid)) != NC_ENAMEINUSE)
ERR;
if ((res = nc_enddef(ncid)))
ERR;
/* Write string data, UTF-8 encoded, to the file */
if ((res = nc_put_var_text(ncid, varid, UNAME)))
ERR;
if ((res = nc_close(ncid)))
ERR;
/* Check it out. */
#ifdef TEST_PNETCDF
if ((res = nc_open_par(FILE7_NAME, NC_NOWRITE|NC_PNETCDF, MPI_COMM_WORLD,MPI_INFO_NULL, &ncid)))
#else
if ((res = nc_open(FILE7_NAME, NC_NOWRITE, &ncid)))
#endif
ERR;
if ((res = nc_inq_varid(ncid, UNAME, &varid)))
ERR;
if ((res = nc_inq_varname(ncid, varid, name_in)))
ERR;
if ((res = strncmp(NNAME, name_in, NNAMELEN)))
ERR;
if ((res = nc_inq_varid(ncid, NNAME, &varid_in)) || varid != varid_in)
ERR;
if ((res = nc_inq_dimid(ncid, UNAME, &dimid_in)) || dimid != dimid_in)
ERR;
if ((res = nc_inq_dimid(ncid, NNAME, &dimid_in)) || dimid != dimid_in)
ERR;
if ((res = nc_inq_att(ncid, varid, UNITS, &att_type, &att_len)))
ERR;
if ((att_type != NC_CHAR || att_len != UNAMELEN))
ERR;
if ((res = nc_get_att_text(ncid, varid, UNITS, strings_in)))
ERR;
strings_in[UNAMELEN] = '\0';
if ((res = strncmp(UNAME, strings_in, UNAMELEN)))
ERR;
if ((res = nc_inq_attid(ncid, varid, UNAME, &attnum_in)) || ATTNUM != attnum_in)
ERR;
if ((res = nc_inq_attid(ncid, varid, NNAME, &attnum_in)) || ATTNUM != attnum_in)
ERR;
if ((res = nc_close(ncid)))
ERR;
SUMMARIZE_ERR;
#ifdef TEST_PNETCDF
MPI_Finalize();
#endif
FINAL_RESULTS;
return 0;
}
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