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/*
* Copyright 2005-2016 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"
#include <ctype.h>
/*
This is used by make_class.pl
START_CLASS_DEF
CLASS = accessor
SUPER = grib_accessor_class_long
IMPLEMENTS = unpack_long; unpack_string
IMPLEMENTS = init;post_init;dump
IMPLEMENTS = byte_offset;byte_count
IMPLEMENTS = pack_long
IMPLEMENTS = notify_change
MEMBERS = long llength
MEMBERS = long loffset
MEMBERS = grib_expression* real_name
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 pack_long(grib_accessor*, const long* val,size_t *len);
static int unpack_long(grib_accessor*, long* val,size_t *len);
static int unpack_string (grib_accessor*, char*, size_t *len);
static long byte_count(grib_accessor*);
static long byte_offset(grib_accessor*);
static void dump(grib_accessor*, grib_dumper*);
static void init(grib_accessor*,const long, grib_arguments* );
static void post_init(grib_accessor*);
static void init_class(grib_accessor_class*);
static int notify_change(grib_accessor*,grib_accessor*);
typedef struct grib_accessor_lookup {
grib_accessor att;
/* Members defined in gen */
/* Members defined in long */
/* Members defined in lookup */
long llength;
long loffset;
grib_expression* real_name;
} grib_accessor_lookup;
extern grib_accessor_class* grib_accessor_class_long;
static grib_accessor_class _grib_accessor_class_lookup = {
&grib_accessor_class_long, /* super */
"lookup", /* name */
sizeof(grib_accessor_lookup), /* size */
0, /* inited */
&init_class, /* init_class */
&init, /* init */
&post_init, /* post_init */
0, /* free mem */
&dump, /* describes himself */
0, /* get length of section */
0, /* get length of string */
0, /* get number of values */
&byte_count, /* get number of bytes */
&byte_offset, /* get offset to bytes */
0, /* get native type */
0, /* get sub_section */
0, /* grib_pack procedures long */
0, /* 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 */
&unpack_string, /* grib_unpack procedures string */
0, /* grib_pack procedures bytes */
0, /* grib_unpack procedures bytes */
0, /* pack_expression */
¬ify_change, /* 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_lookup = &_grib_accessor_class_lookup;
static void init_class(grib_accessor_class* c)
{
c->next_offset = (*(c->super))->next_offset;
c->string_length = (*(c->super))->string_length;
c->value_count = (*(c->super))->value_count;
c->get_native_type = (*(c->super))->get_native_type;
c->sub_section = (*(c->super))->sub_section;
c->pack_missing = (*(c->super))->pack_missing;
c->is_missing = (*(c->super))->is_missing;
c->pack_double = (*(c->super))->pack_double;
c->unpack_double = (*(c->super))->unpack_double;
c->pack_string = (*(c->super))->pack_string;
c->pack_bytes = (*(c->super))->pack_bytes;
c->unpack_bytes = (*(c->super))->unpack_bytes;
c->pack_expression = (*(c->super))->pack_expression;
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 len, grib_arguments *arg )
{
grib_accessor_lookup* self = (grib_accessor_lookup*)a;
a->length = 0;
self->llength = len;
self->loffset = grib_arguments_get_long(a->parent->h,arg,0);
a->flags |= GRIB_ACCESSOR_FLAG_READ_ONLY;
self->real_name = grib_arguments_get_expression(a->parent->h,arg,1);
}
static void post_init(grib_accessor* a)
{
grib_accessor_lookup* self = (grib_accessor_lookup*)a;
if(self->real_name )
grib_dependency_observe_expression(a,self->real_name );
}
static void dump(grib_accessor* a,grib_dumper* dumper)
{
grib_accessor_lookup* self = (grib_accessor_lookup*)a;
unsigned char bytes[1024] = {0,};
char msg[1024]= {0,};
char buf[1024];
int i;
unsigned long v = 0;
size_t llen = self->llength;
grib_unpack_bytes(a, bytes, &llen); /* TODO: Unpack byte unpack the wrong offset */
bytes[llen] = 0;
for(i = 0; i < llen; i++)
{
msg[i] = isprint(bytes[i]) ? bytes[i] : '?';
v <<= 8;
v |= bytes[i];
}
msg[llen] = 0;
sprintf(buf,"%s %ld %ld-%ld",msg,v,(long)a->offset+self->loffset,(long)self->llength);
grib_dump_long(dumper,a,buf);
}
static int unpack_string(grib_accessor*a , char* v, size_t *len){
grib_accessor_lookup* self = (grib_accessor_lookup*)a;
unsigned char bytes[1024] = {0,};
int i;
size_t llen = self->llength;
grib_unpack_bytes(a, bytes, &llen); /* TODO: Unpack byte unpack the wrong offset */
bytes[llen] = 0;
for(i = 0; i < llen; i++)
{
v[i] = isprint(bytes[i]) ? bytes[i] : '?';
}
v[llen] = 0;
return GRIB_SUCCESS;
}
static int unpack_long(grib_accessor* a, long* val, size_t *len)
{
grib_accessor_lookup* al = (grib_accessor_lookup*)a;
grib_handle *h = a->parent->h;
long pos = (a->offset+al->loffset)*8;
if(len[0] < 1)
{
grib_context_log(a->parent->h->context, GRIB_LOG_ERROR, "Wrong size for %s it contains %d values ", a->name , 1 );
len[0] = 0;
return GRIB_ARRAY_TOO_SMALL;
}
/* This is used when reparsing or rebuilding */
if(h->loader) {
Assert(*len == 1);
return h->loader->lookup_long(h->context,h->loader,a->name,val);
}
val[0] = grib_decode_unsigned_long(h->buffer->data , &pos, al->llength*8);
len[0] = 1;
/* printf("lookup: %s %ld %ld\n",a->name,pos/8,val[0]); */
return GRIB_SUCCESS;
}
static int pack_long (grib_accessor* a, const long* val, size_t *len)
{
return GRIB_NOT_IMPLEMENTED;
}
static long byte_count(grib_accessor* a)
{
grib_accessor_lookup* al = (grib_accessor_lookup*)a;
return al->llength;
}
static long byte_offset(grib_accessor* a)
{
grib_accessor_lookup* al = (grib_accessor_lookup*)a;
return al->loffset;
}
static int notify_change(grib_accessor* self,grib_accessor* changed)
{
/* Forward changes */
return grib_dependency_notify_change(self);
}
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