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eccodes/src/grib_accessor_class_gen.c

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/*
* Copyright 2005-2017 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.
*/
/***************************************************************************
* Jean Baptiste Filippi - 01.11.2005 *
* Enrico Fucile
* *
***************************************************************************/
#include "grib_api_internal.h"
/*
This is used by make_class.pl
START_CLASS_DEF
CLASS = accessor
IMPLEMENTS = unpack_long;pack_long; clear
IMPLEMENTS = unpack_double;pack_double;unpack_double_element
IMPLEMENTS = unpack_string;pack_string
IMPLEMENTS = unpack_string_array;pack_string_array
IMPLEMENTS = unpack_bytes;pack_bytes
IMPLEMENTS = unpack_double_subarray
IMPLEMENTS = init;dump;destroy;string_length
IMPLEMENTS = get_native_type;sub_section
IMPLEMENTS = next_offset;value_count;byte_offset;byte_count
IMPLEMENTS = notify_change;pack_expression
IMPLEMENTS = update_size; next; preferred_size
IMPLEMENTS = compare;is_missing;make_clone
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 grib_section* sub_section(grib_accessor* a);
static int get_native_type(grib_accessor*);
static int is_missing(grib_accessor*);
static int pack_bytes(grib_accessor*,const unsigned char*, size_t *len);
static int pack_double(grib_accessor*, const double* val,size_t *len);
static int pack_long(grib_accessor*, const long* val,size_t *len);
static int pack_string(grib_accessor*, const char*, size_t *len);
static int pack_string_array(grib_accessor*, const char**, size_t *len);
static int pack_expression(grib_accessor*, grib_expression*);
static int unpack_bytes (grib_accessor*,unsigned char*, size_t *len);
static int unpack_double(grib_accessor*, double* 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 int unpack_string_array (grib_accessor*, char**, size_t *len);
static size_t string_length(grib_accessor*);
static long byte_count(grib_accessor*);
static long byte_offset(grib_accessor*);
static long next_offset(grib_accessor*);
static int value_count(grib_accessor*,long*);
static void destroy(grib_context*,grib_accessor*);
static void dump(grib_accessor*, grib_dumper*);
static void init(grib_accessor*,const long, grib_arguments* );
static void init_class(grib_accessor_class*);
static int notify_change(grib_accessor*,grib_accessor*);
static void update_size(grib_accessor*,size_t);
static size_t preferred_size(grib_accessor*,int);
static grib_accessor* next(grib_accessor*, int);
static int compare(grib_accessor*, grib_accessor*);
static int unpack_double_element(grib_accessor*,size_t i, double* val);
static int unpack_double_subarray(grib_accessor*, double* val,size_t start,size_t len);
static int clear(grib_accessor*);
static grib_accessor* make_clone(grib_accessor*,grib_section*,int*);
typedef struct grib_accessor_gen {
grib_accessor att;
/* Members defined in gen */
} grib_accessor_gen;
static grib_accessor_class _grib_accessor_class_gen = {
0, /* super */
"gen", /* name */
sizeof(grib_accessor_gen), /* size */
0, /* inited */
&init_class, /* init_class */
&init, /* init */
0, /* post_init */
&destroy, /* free mem */
&dump, /* describes himself */
&next_offset, /* get length of section */
&string_length, /* get length of string */
&value_count, /* get number of values */
&byte_count, /* get number of bytes */
&byte_offset, /* get offset to bytes */
&get_native_type, /* get native type */
&sub_section, /* 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 */
&pack_double, /* grib_pack procedures double */
&unpack_double, /* grib_unpack procedures double */
&pack_string, /* grib_pack procedures string */
&unpack_string, /* grib_unpack procedures string */
&pack_string_array, /* grib_pack array procedures string */
&unpack_string_array, /* grib_unpack array procedures string */
&pack_bytes, /* grib_pack procedures bytes */
&unpack_bytes, /* grib_unpack procedures bytes */
&pack_expression, /* pack_expression */
&notify_change, /* notify_change */
&update_size, /* update_size */
&preferred_size, /* preferred_size */
0, /* resize */
0, /* nearest_smaller_value */
&next, /* next accessor */
&compare, /* compare vs. another accessor */
&unpack_double_element, /* unpack only ith value */
&unpack_double_subarray, /* unpack a subarray */
&clear, /* clear */
&make_clone, /* clone accessor */
};
grib_accessor_class* grib_accessor_class_gen = &_grib_accessor_class_gen;
static void init_class(grib_accessor_class* c)
{
}
/* END_CLASS_IMP */
static void init(grib_accessor* a,const long len, grib_arguments* param)
{
grib_action* act=(grib_action*)(a->creator);
if (a->flags & GRIB_ACCESSOR_FLAG_TRANSIENT) {
a->length = 0;
if (!a->vvalue)
a->vvalue = (grib_virtual_value*)grib_context_malloc_clear(a->context,sizeof(grib_virtual_value));
a->vvalue->type=grib_accessor_get_native_type(a);
a->vvalue->length=len;
if (act->default_value!=NULL) {
const char* p = 0;
size_t s_len = 1;
long l;
int ret=0;
double d;
char tmp[1024];
grib_expression* expression=grib_arguments_get_expression(grib_handle_of_accessor(a),act->default_value,0);
int type = grib_expression_native_type(grib_handle_of_accessor(a),expression);
switch(type) {
case GRIB_TYPE_DOUBLE:
grib_expression_evaluate_double(grib_handle_of_accessor(a),expression,&d);
grib_pack_double(a,&d,&s_len);
break;
case GRIB_TYPE_LONG:
grib_expression_evaluate_long(grib_handle_of_accessor(a),expression,&l);
grib_pack_long(a,&l,&s_len);
break;
default:
s_len = sizeof(tmp);
p = grib_expression_evaluate_string(grib_handle_of_accessor(a),expression,tmp,&s_len,&ret);
if (ret != GRIB_SUCCESS) {
grib_context_log(a->context,GRIB_LOG_ERROR,"unable to evaluate %s as string",a->name);
Assert(0);
}
s_len = strlen(p)+1;
grib_pack_string(a,p,&s_len);
break;
}
}
} else {
a->length = len;
}
}
static void dump(grib_accessor* a, grib_dumper* dumper)
{
int type=grib_accessor_get_native_type(a);
switch (type) {
case GRIB_TYPE_STRING:
grib_dump_string(dumper,a,NULL);
break;
case GRIB_TYPE_DOUBLE:
grib_dump_double(dumper,a,NULL);
break;
case GRIB_TYPE_LONG:
grib_dump_long(dumper,a,NULL);
break;
default:
grib_dump_bytes(dumper,a,NULL);
}
}
static long next_offset(grib_accessor* a)
{
return a->offset+a->length;
}
static int value_count(grib_accessor* a, long* count)
{
*count=1;
return 0;
}
static size_t string_length(grib_accessor* a)
{
return 1024;
}
static long byte_count(grib_accessor* a)
{
return a->length;
}
static int get_native_type(grib_accessor* a){
grib_context_log(a->context,GRIB_LOG_ERROR,
"Accessor %s [%s] must implement 'get_native_type'", a->name,a->cclass->name);
return GRIB_TYPE_UNDEFINED;
}
static long byte_offset(grib_accessor* a)
{
return a->offset;
}
static int unpack_bytes(grib_accessor* a, unsigned char* val, size_t *len)
{
unsigned char* buf = grib_handle_of_accessor(a)->buffer->data;
long length = grib_byte_count(a);
long offset = grib_byte_offset(a);
if(*len < length )
{
grib_context_log(a->context, GRIB_LOG_ERROR, "Wrong size for %s it is %d bytes long\n", a->name ,length );
*len = length;
return GRIB_ARRAY_TOO_SMALL;
}
memcpy(val,buf + offset,length );
*len = length;
return GRIB_SUCCESS;
}
static int clear(grib_accessor* a)
{
unsigned char* buf = grib_handle_of_accessor(a)->buffer->data;
long length = grib_byte_count(a);
long offset = grib_byte_offset(a);
memset(buf + offset,0,length);
return GRIB_SUCCESS;
}
static int unpack_long (grib_accessor* a, long* v, size_t *len)
{
if(a->cclass->unpack_double && a->cclass->unpack_double != &unpack_double)
{
double val = 0.0;
size_t l = 1;
grib_unpack_double (a , &val, &l);
*v = (long)val;
grib_context_log(a->context,GRIB_LOG_DEBUG, " Casting double %s to long", a->name);
return GRIB_SUCCESS;
}
if(a->cclass->unpack_string && a->cclass->unpack_string != &unpack_string)
{
char val[1024];
size_t l = sizeof(val);
char *last = NULL;
grib_unpack_string (a , val, &l);
*v = strtol(val,&last,10);
if(*last == 0)
{
grib_context_log(a->context,GRIB_LOG_DEBUG, " Casting string %s to long", a->name);
return GRIB_SUCCESS;
}
}
return GRIB_NOT_IMPLEMENTED;
}
static int unpack_double (grib_accessor* a, double*v, size_t *len)
{
if(a->cclass->unpack_long && a->cclass->unpack_long != &unpack_long)
{
long val = 0;
size_t l = 1;
grib_unpack_long (a , &val, &l);
*v = val;
grib_context_log(a->context,GRIB_LOG_DEBUG, " Casting long %s to double", a->name);
return GRIB_SUCCESS;
}
if(a->cclass->unpack_string && a->cclass->unpack_string != &unpack_string)
{
char val[1024];
size_t l = sizeof(val);
char *last = NULL;
grib_unpack_string (a , val, &l);
*v = strtod(val,&last);
if(*last == 0)
{
grib_context_log(a->context,GRIB_LOG_DEBUG, " Casting string %s to long", a->name);
return GRIB_SUCCESS;
}
}
return GRIB_NOT_IMPLEMENTED;
}
static int unpack_string(grib_accessor*a , char* v, size_t *len)
{
if(a->cclass->unpack_double && a->cclass->unpack_double != &unpack_double)
{
double val = 0.0;
size_t l = 1;
grib_unpack_double (a , &val, &l);
sprintf(v,"%g",val);
*len = strlen(v);
grib_context_log(a->context,GRIB_LOG_DEBUG, " Casting double %s to string", a->name);
return GRIB_SUCCESS;
}
if(a->cclass->unpack_long && a->cclass->unpack_long != &unpack_long)
{
long val = 0;
size_t l = 1;
grib_unpack_long (a , &val, &l);
sprintf(v,"%ld",val);
*len = strlen(v);
grib_context_log(a->context,GRIB_LOG_DEBUG, " Casting long %s to string \n", a->name);
return GRIB_SUCCESS;
}
return GRIB_NOT_IMPLEMENTED;
}
static int unpack_string_array(grib_accessor*a , char** v, size_t *len)
{
int err=0;
size_t length=0;
err= _grib_get_string_length(a,&length);
if (err) return err;
v[0]=(char*)grib_context_malloc_clear(a->context,length);
grib_unpack_string(a,v[0],&length);
*len=1;
return err;
}
static int pack_expression(grib_accessor* a, grib_expression *e)
{
size_t len = 1;
long lval=0;
double dval=0;
const char *cval=NULL;
int ret=0;
grib_handle* hand = grib_handle_of_accessor(a);
switch(grib_accessor_get_native_type(a))
{
case GRIB_TYPE_LONG: {
len = 1;
ret = grib_expression_evaluate_long(hand,e,&lval);
if (ret != GRIB_SUCCESS) {
grib_context_log(a->context,GRIB_LOG_ERROR,"unable to set %s as long",a->name);
return ret;
}
/*if (hand->context->debug)
printf("ECCODES DEBUG grib_accessor_class_gen::pack_expression %s %ld\n", a->name,lval);*/
return grib_pack_long(a,&lval,&len);
break;
}
case GRIB_TYPE_DOUBLE: {
len = 1;
ret = grib_expression_evaluate_double(hand,e,&dval);
/*if (hand->context->debug)
printf("ECCODES DEBUG grib_accessor_class_gen::pack_expression %s %g\n", a->name, dval);*/
return grib_pack_double(a,&dval,&len);
break;
}
case GRIB_TYPE_STRING: {
char tmp[1024];
len = sizeof(tmp);
cval = grib_expression_evaluate_string(hand,e,tmp,&len,&ret);
if (ret != GRIB_SUCCESS) {
grib_context_log(a->context,GRIB_LOG_ERROR,"unable to set %s as string",a->name);
return ret;
}
len = strlen(cval);
/*if (hand->context->debug)
printf("ECCODES DEBUG grib_accessor_class_gen::pack_expression %s %s\n", a->name, cval);*/
return grib_pack_string(a,cval,&len);
break;
}
}
return GRIB_NOT_IMPLEMENTED;
}
static int pack_long(grib_accessor* a, const long* v, size_t *len)
{
grib_context* c=a->context;
if(a->cclass->pack_double && a->cclass->pack_double != &pack_double)
{
int i=0,ret=0;
double* val = (double*)grib_context_malloc(c,*len*(sizeof(double))) ;
if (!val) {
grib_context_log(c,GRIB_LOG_ERROR,
"unable to allocate %d bytes\n",(int)(*len*(sizeof(double))));
return GRIB_OUT_OF_MEMORY;
}
for (i=0;i<*len;i++) val[i]=(long)v[i];
ret=grib_pack_double (a , val, len);
grib_context_free(c,val);
return ret;
}
grib_context_log(c,GRIB_LOG_ERROR, " Should not grib_pack %s as long", a->name);
Assert(0);
return GRIB_NOT_IMPLEMENTED;
}
static int pack_double(grib_accessor* a, const double *v, size_t *len)
{
grib_context* c=a->context;
if(a->cclass->pack_long && a->cclass->pack_long != &pack_long)
{
int i=0,ret=0;
long* val = (long*)grib_context_malloc(c,*len*(sizeof(long))) ;
if (!val) {
grib_context_log(c,GRIB_LOG_ERROR,
"unable to allocate %d bytes\n",(int)(*len*(sizeof(long))));
return GRIB_OUT_OF_MEMORY;
}
for (i=0;i<*len;i++) val[i]=(long)v[i];
ret=grib_pack_long (a , val, len);
grib_context_free(c,val);
return ret;
}
grib_context_log(c,GRIB_LOG_ERROR, " Should not grib_pack %s as double", a->name);
return GRIB_NOT_IMPLEMENTED;
}
static int pack_string_array(grib_accessor*a , const char** v, size_t *len)
{
return GRIB_NOT_IMPLEMENTED;
}
static int pack_string(grib_accessor*a , const char* v, size_t *len){
if(a->cclass->pack_double && a->cclass->pack_double != &pack_double)
{
size_t l = 1;
double val = atof(v);
return grib_pack_double (a , &val, &l);
}
if(a->cclass->pack_long && a->cclass->pack_long != &pack_long)
{
size_t l = 1;
long val = atof(v);
return grib_pack_long (a , &val, &l);
}
grib_context_log(a->context,GRIB_LOG_ERROR,
" Should not grib_pack %s as string", a->name);
return GRIB_NOT_IMPLEMENTED;
}
static int pack_bytes(grib_accessor* a, const unsigned char* val, size_t *len)
{
size_t length = *len;
grib_buffer_replace(a, val, length,1,1);
return GRIB_SUCCESS;
}
static void destroy(grib_context* ct, grib_accessor* a)
{
grib_dependency_remove_observed(a);
grib_dependency_remove_observer(a);
if (a->vvalue!=NULL) {
grib_context_free(ct,a->vvalue);
a->vvalue=NULL;
}
/*grib_context_log(ct,GRIB_LOG_DEBUG,"address=%p",a);*/
}
static grib_section* sub_section(grib_accessor* a)
{
return NULL;
}
static int notify_change(grib_accessor* self,grib_accessor* observed)
{
/* Default behaviour is to notify creator */
return grib_action_notify_change(self->creator,self,observed);
}
static void update_size(grib_accessor* a,size_t s)
{
grib_context_log(a->context,GRIB_LOG_ERROR,
"Accessor %s [%s] must implement 'update_size'", a->name,a->cclass->name);
Assert(0 == 1);
}
static grib_accessor* next(grib_accessor* a, int mod)
{
grib_accessor* next=NULL;
if (a->next) {
next=a->next;
} else {
if (a->parent->owner)
next=a->parent->owner->cclass->next(a->parent->owner,0);
}
return next;
}
static int compare(grib_accessor* a, grib_accessor* b)
{
return GRIB_NOT_IMPLEMENTED;
}
/* Redefined in all padding */
static size_t preferred_size(grib_accessor* a,int from_handle)
{
return a->length;
}
static int is_missing(grib_accessor* a)
{
int i=0;
int is_missing=1;
unsigned char ones=0xff;
unsigned char* v=NULL;
if (a->flags & GRIB_ACCESSOR_FLAG_TRANSIENT) {
if (a->vvalue == NULL) {
grib_context_log(a->context,GRIB_LOG_ERROR,"%s internal error (flags=0x%X)",a->name,a->flags);
}
Assert(a->vvalue!=NULL);
return a->vvalue->missing;
}
Assert(a->length>=0);
v=grib_handle_of_accessor(a)->buffer->data+a->offset;
for (i=0; i < a->length; i++) {
if (*v != ones) {
is_missing=0;
break;
}
v++;
}
return is_missing;
}
static int unpack_double_element(grib_accessor* a, size_t i, double* val)
{
return GRIB_NOT_IMPLEMENTED;
}
static int unpack_double_subarray(grib_accessor* a, double* val,size_t start,size_t len)
{
return GRIB_NOT_IMPLEMENTED;
}
static grib_accessor* make_clone(grib_accessor* a,grib_section* s,int* err)
{
*err=GRIB_NOT_IMPLEMENTED;
return NULL;
}
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