eccodes/src/grib_bufr_descriptor.c

125 lines
3.4 KiB
C

/*
* Copyright 2005-2018 ECMWF.
*
* This software is licensed under the terms of the Apache Licence Version 2.0
* which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
*
* In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
* virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
*/
#include "grib_api_internal.h"
bufr_descriptor* grib_bufr_descriptor_new(grib_accessor* tables_accessor,int code,int *err)
{
bufr_descriptor* ret=accessor_bufr_elements_table_get_descriptor(tables_accessor,code,err);
if (*err) grib_context_log(tables_accessor->context,GRIB_LOG_ERROR,
"unable to get descriptor %06d from table",code);
return ret;
}
bufr_descriptor* grib_bufr_descriptor_clone(bufr_descriptor* d)
{
bufr_descriptor* cd;
if (!d) return NULL;
cd=(bufr_descriptor*)grib_context_malloc_clear(d->context,sizeof(bufr_descriptor));
cd->code=d->code;
cd->F=d->F;
cd->X=d->X;
cd->Y=d->Y;
/* cd->name=grib_context_strdup(d->context,d->name); See ECC-489 */
cd->shortName=grib_context_strdup(d->context,d->shortName);
cd->units=grib_context_strdup(d->context,d->units);
cd->scale=d->scale;
cd->factor=d->factor;
cd->width=d->width;
cd->reference=d->reference;
cd->type=d->type;
cd->nokey=d->nokey;
return cd;
}
int grib_bufr_descriptor_set_code(grib_accessor* tables_accessor,int code,bufr_descriptor* v)
{
int err=0;
grib_context* c;
bufr_descriptor* d;
if (!v) return GRIB_NULL_POINTER;
c=v->context;
if (v->type==BUFR_DESCRIPTOR_TYPE_REPLICATION || v->type==BUFR_DESCRIPTOR_TYPE_OPERATOR) {
v->code=code;
v->F=code/100000;
v->X=(code-v->F*100000)/1000;
v->Y=(code-v->F*100000)%1000;
} else {
if (tables_accessor==NULL) return GRIB_NULL_POINTER;
d=accessor_bufr_elements_table_get_descriptor(tables_accessor,code,&err);
v->code=d->code;
v->F=d->F;
v->X=d->X;
v->Y=d->Y;
/* grib_context_free(c,v->name); See ECC-489 */
/* v->name=grib_context_strdup(c,d->name); See ECC-489 */
grib_context_free(c,v->shortName);
v->shortName=grib_context_strdup(c,d->shortName);
grib_context_free(c,v->units);
v->units=grib_context_strdup(c,d->units);
v->scale=d->scale;
v->factor=d->factor;
v->width=d->width;
v->reference=d->reference;
v->type=d->type;
v->nokey=d->nokey;
grib_bufr_descriptor_delete(d);
}
return err;
}
void grib_bufr_descriptor_set_reference(bufr_descriptor* v,long reference)
{
if (!v) return;
v->reference=reference;
}
void grib_bufr_descriptor_set_width(bufr_descriptor* v,long width)
{
if (!v) return;
v->width=width;
}
void grib_bufr_descriptor_set_scale(bufr_descriptor* v,long scale)
{
if (!v) return;
v->scale=scale;
if (scale!=0) v->type=BUFR_DESCRIPTOR_TYPE_DOUBLE;
v->factor=grib_power(-scale,10);
}
int grib_bufr_descriptor_can_be_missing(bufr_descriptor* v)
{
if (v->code==31031 || v->code==999999 ) return 0;
if (v->width == 1) return 0;
return 1;
}
void grib_bufr_descriptor_delete(bufr_descriptor* v)
{
grib_context* c=NULL;
if (!v) return;
c=v->context;
/* grib_context_free(c,v->name); See ECC-489 */
grib_context_free(c,v->shortName);
grib_context_free(c,v->units);
grib_context_free(c,v);
}