/* 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,v 1.8 2008/10/20 01:48:08 ed Exp $ */ #include #include #include #include #include #include /* 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])) printf("\n*** testing UTF-8 normalization..."); if((res = nc_create(FILE7_NAME, NC_CLOBBER, &ncid))) 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. */ if ((res = nc_open(FILE7_NAME, NC_NOWRITE, &ncid))) 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 ((res = 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; FINAL_RESULTS; return 0; }