/**
* Copyright 2005-2007 ECMWF
*
* Licensed under the GNU Lesser General Public License which
* incorporates the terms and conditions of version 3 of the GNU
* General Public License.
* See LICENSE and gpl-3.0.txt for details.
*/
#include "grib_api_internal.h"
/*
This is used by make_class.pl
START_CLASS_DEF
CLASS = accessor
SUPER = grib_accessor_class_long
IMPLEMENTS = unpack_long;pack_long;init;dump;is_missing
MEMBERS=const char* type_first
MEMBERS=const char* scale_first
MEMBERS=const char* value_first
MEMBERS=const char* pressure_units
END_CLASS_DEF
*/
/* START_CLASS_IMP */
/*
Don't edit anything between START_CLASS_IMP and END_CLASS_IMP
Instead edit values between START_CLASS_DEF and END_CLASS_DEF
or edit "accessor.class" and rerun ./make_class.pl
*/
static int is_missing(grib_accessor*);
static int pack_long(grib_accessor*, const long* val,size_t *len);
static int unpack_long(grib_accessor*, long* val,size_t *len);
static void dump(grib_accessor*, grib_dumper*);
static void init(grib_accessor*,const long, grib_arguments* );
static void init_class(grib_accessor_class*);
typedef struct grib_accessor_g2level {
grib_accessor att;
/* Members defined in gen */
/* Members defined in long */
/* Members defined in g2level */
const char* type_first;
const char* scale_first;
const char* value_first;
const char* pressure_units;
} grib_accessor_g2level;
extern grib_accessor_class* grib_accessor_class_long;
static grib_accessor_class _grib_accessor_class_g2level = {
&grib_accessor_class_long, /* super */
"g2level", /* name */
sizeof(grib_accessor_g2level), /* size */
0, /* inited */
&init_class, /* init_class */
&init, /* init */
0, /* post_init */
0, /* free mem */
&dump, /* describes himself */
0, /* get length of section */
0, /* get number of values */
0, /* get number of bytes */
0, /* get offset to bytes */
0, /* get native type */
0, /* get sub_section */
0, /* grib_pack procedures long */
&is_missing, /* grib_pack procedures long */
&pack_long, /* grib_pack procedures long */
&unpack_long, /* grib_unpack procedures long */
0, /* grib_pack procedures double */
0, /* grib_unpack procedures double */
0, /* grib_pack procedures string */
0, /* grib_unpack procedures string */
0, /* grib_pack procedures bytes */
0, /* grib_unpack procedures bytes */
0, /* pack_expression */
0, /* notify_change */
0, /* update_size */
0, /* preferred_size */
0, /* resize */
0, /* nearest_smaller_value */
0, /* next accessor */
0, /* compare vs. another accessor */
0, /* unpack only ith value */
0, /* unpack a subarray */
0, /* clear */
};
grib_accessor_class* grib_accessor_class_g2level = &_grib_accessor_class_g2level;
static void init_class(grib_accessor_class* c)
{
c->next_offset = (*(c->super))->next_offset;
c->value_count = (*(c->super))->value_count;
c->byte_count = (*(c->super))->byte_count;
c->byte_offset = (*(c->super))->byte_offset;
c->get_native_type = (*(c->super))->get_native_type;
c->sub_section = (*(c->super))->sub_section;
c->pack_missing = (*(c->super))->pack_missing;
c->pack_double = (*(c->super))->pack_double;
c->unpack_double = (*(c->super))->unpack_double;
c->pack_string = (*(c->super))->pack_string;
c->unpack_string = (*(c->super))->unpack_string;
c->pack_bytes = (*(c->super))->pack_bytes;
c->unpack_bytes = (*(c->super))->unpack_bytes;
c->pack_expression = (*(c->super))->pack_expression;
c->notify_change = (*(c->super))->notify_change;
c->update_size = (*(c->super))->update_size;
c->preferred_size = (*(c->super))->preferred_size;
c->resize = (*(c->super))->resize;
c->nearest_smaller_value = (*(c->super))->nearest_smaller_value;
c->next = (*(c->super))->next;
c->compare = (*(c->super))->compare;
c->unpack_double_element = (*(c->super))->unpack_double_element;
c->unpack_double_subarray = (*(c->super))->unpack_double_subarray;
c->clear = (*(c->super))->clear;
}
/* END_CLASS_IMP */
static void init(grib_accessor* a,const long l, grib_arguments* c)
{
grib_accessor_g2level* self = (grib_accessor_g2level*)a;
int n = 0;
self->type_first = grib_arguments_get_name(a->parent->h,c,n++);
self->scale_first = grib_arguments_get_name(a->parent->h,c,n++);
self->value_first = grib_arguments_get_name(a->parent->h,c,n++);
self->pressure_units = grib_arguments_get_name(a->parent->h,c,n++);
}
static void dump(grib_accessor* a, grib_dumper* dumper)
{
grib_dump_long(dumper,a,NULL);
}
static int unpack_long(grib_accessor* a, long* val, size_t *len)
{
int ret=0;
grib_accessor_g2level* self = (grib_accessor_g2level*)a;
long type_first = 0;
long scale_first = 0;
long value_first = 0;
char pressure_units[10]={0,};
size_t pressure_units_len=10;
double v;
if((ret = grib_get_long_internal(a->parent->h, self->type_first,&type_first))
!=GRIB_SUCCESS) return ret;
if((ret = grib_get_long_internal(a->parent->h, self->scale_first,&scale_first))
!=GRIB_SUCCESS) return ret;
if((ret = grib_get_long_internal(a->parent->h, self->value_first,&value_first))
!=GRIB_SUCCESS) return ret;
if((ret = grib_get_string_internal(a->parent->h, self->pressure_units,pressure_units,&pressure_units_len))
!=GRIB_SUCCESS) return ret;
if (value_first == GRIB_MISSING_LONG) {
*val=0;
return GRIB_SUCCESS;
}
/* value = value_first * 10 ^ -scale_first */
/*
fprintf(stderr,"LEVEL %s %s %ld %ld\n",self->scale_first,
self->value_first,scale_first,value_first);
*/
if(*len < 1)
return GRIB_WRONG_ARRAY_SIZE;
v = value_first;
if(scale_first != GRIB_MISSING_LONG)
{
while(scale_first<0) { v *= 10.0; scale_first ++; }
while(scale_first>0) { v /= 10.0; scale_first --; }
}
switch(type_first)
{
case 100: /* Pa */
if (!strcmp(pressure_units,"hPa")) {
long x= v/100.0;
if (x==0) {
char pa[]="Pa";
size_t lpa=strlen(pa);
if((ret = grib_set_string_internal(a->parent->h, self->pressure_units,pa,&lpa))
!=GRIB_SUCCESS) return ret;
} else v=x;
}
break;
case 109: /* pv */
v *= 1e6;
break;
}
val[0] = (long)(v+0.5);
/*
fprintf(stderr,"LEVEL %ld %g\n",val[0],v);
Assert(val[0] == v);
fprintf(stderr,"LEVEL %ld\n",val[0]); */
return GRIB_SUCCESS;
}
/* TODO: Support double */
static int pack_long(grib_accessor* a, const long* val, size_t *len)
{
int ret=0;
long value_first = *val;
long scale_first = 0;
long type_first = 0;
char pressure_units[10]={0,};
size_t pressure_units_len=10;
grib_accessor_g2level* self = (grib_accessor_g2level*)a;
if(*len != 1)
return GRIB_WRONG_ARRAY_SIZE;
if((ret = grib_get_long_internal(a->parent->h, self->type_first,&type_first))
!=GRIB_SUCCESS) return ret;
if((ret = grib_get_string_internal(a->parent->h, self->pressure_units,pressure_units,&pressure_units_len))
!=GRIB_SUCCESS) return ret;
switch(type_first)
{
case 100: /* Pa */
scale_first = 0;
if (!strcmp(pressure_units,"hPa"))
value_first *= 100;
break;
default:
break;
}
if ( type_first>9 ) {
if((ret = grib_set_long_internal(a->parent->h, self->scale_first,scale_first))
!=GRIB_SUCCESS) return ret;
if((ret = grib_set_long_internal(a->parent->h, self->value_first,value_first))
!=GRIB_SUCCESS) return ret;
}
return GRIB_SUCCESS;
}
static int is_missing(grib_accessor* a){
grib_accessor_g2level* self = (grib_accessor_g2level*)a;
int err=0;
int ret=0;
ret=grib_is_missing(a->parent->h, self->scale_first,&err) +
grib_is_missing(a->parent->h, self->value_first,&err);
return ret;
}