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eccodes/src/grib_accessor_class_group.c

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/*
* (C) Copyright 2005- 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.
*/
/***********************************************************
* Enrico Fucile
***********************************************************/
#include "grib_api_internal.h"
/*
This is used by make_class.pl
START_CLASS_DEF
CLASS = accessor
SUPER = grib_accessor_class_gen
IMPLEMENTS = unpack_string;pack_string
IMPLEMENTS = unpack_long;pack_long
IMPLEMENTS = unpack_double;pack_double
IMPLEMENTS = init;dump;string_length
IMPLEMENTS = post_init;value_count
IMPLEMENTS = next_offset
IMPLEMENTS = get_native_type
IMPLEMENTS = compare
MEMBERS = char endCharacter
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 get_native_type(grib_accessor*);
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 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 size_t string_length(grib_accessor*);
static long next_offset(grib_accessor*);
static int value_count(grib_accessor*, long*);
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 compare(grib_accessor*, grib_accessor*);
typedef struct grib_accessor_group
{
grib_accessor att;
/* Members defined in gen */
/* Members defined in group */
char endCharacter;
} grib_accessor_group;
extern grib_accessor_class* grib_accessor_class_gen;
static grib_accessor_class _grib_accessor_class_group = {
&grib_accessor_class_gen, /* super */
"group", /* name */
sizeof(grib_accessor_group), /* size */
0, /* inited */
&init_class, /* init_class */
&init, /* init */
&post_init, /* post_init */
0, /* free mem */
&dump, /* describes himself */
&next_offset, /* get length of section */
&string_length, /* get length of string */
&value_count, /* get number of values */
0, /* get number of bytes */
0, /* get offset to bytes */
&get_native_type, /* 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 */
&pack_double, /* grib_pack procedures double */
&unpack_double, /* grib_unpack procedures double */
&pack_string, /* grib_pack procedures string */
&unpack_string, /* grib_unpack procedures string */
0, /* grib_pack array procedures string */
0, /* grib_unpack array 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 */
&compare, /* compare vs. another accessor */
0, /* unpack only ith value */
0, /* unpack a given set of elements */
0, /* unpack a subarray */
0, /* clear */
0, /* clone accessor */
};
grib_accessor_class* grib_accessor_class_group = &_grib_accessor_class_group;
static void init_class(grib_accessor_class* c)
{
c->byte_count = (*(c->super))->byte_count;
c->byte_offset = (*(c->super))->byte_offset;
c->sub_section = (*(c->super))->sub_section;
c->pack_missing = (*(c->super))->pack_missing;
c->is_missing = (*(c->super))->is_missing;
c->pack_string_array = (*(c->super))->pack_string_array;
c->unpack_string_array = (*(c->super))->unpack_string_array;
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->unpack_double_element = (*(c->super))->unpack_double_element;
c->unpack_double_element_set = (*(c->super))->unpack_double_element_set;
c->unpack_double_subarray = (*(c->super))->unpack_double_subarray;
c->clear = (*(c->super))->clear;
c->make_clone = (*(c->super))->make_clone;
}
/* END_CLASS_IMP */
static void init(grib_accessor* a, const long len, grib_arguments* arg)
{
grib_buffer* buffer = grib_handle_of_accessor(a)->buffer;
grib_accessor_group* self = (grib_accessor_group*)a;
size_t i = 0;
unsigned char* v;
const char* s = grib_arguments_get_string(grib_handle_of_accessor(a), arg, 0);
if (s && strlen(s) > 1) {
grib_context_log(a->context, GRIB_LOG_WARNING,
"Using only first character as group end of %s not the string %s", a->name, s);
}
self->endCharacter = s ? s[0] : 0;
v = buffer->data + a->offset;
i = 0;
if (s) {
while (*v != self->endCharacter && i <= buffer->ulength) {
if (*v > 126)
*v = 32;
v++;
i++;
}
}
else {
while (*v > 32 && *v != 61 && *v < 127 && i <= buffer->ulength) {
v++;
i++;
}
}
a->length = i;
a->flags |= GRIB_ACCESSOR_FLAG_READ_ONLY;
}
static void post_init(grib_accessor* a)
{
}
static int value_count(grib_accessor* a, long* count)
{
*count = 1;
return 0;
}
static size_t string_length(grib_accessor* a)
{
return a->length;
}
static void dump(grib_accessor* a, grib_dumper* dumper)
{
grib_dump_string(dumper, a, NULL);
}
static int get_native_type(grib_accessor* a)
{
return GRIB_TYPE_STRING;
}
static int unpack_string(grib_accessor* a, char* val, size_t* len)
{
int i = 0;
if (len[0] < (a->length + 1)) {
grib_context_log(a->context, GRIB_LOG_ERROR, "unpack_string: Wrong size (%lu) for %s it contains %ld values",
len[0], a->name, a->length + 1);
len[0] = 0;
return GRIB_ARRAY_TOO_SMALL;
}
for (i = 0; i < a->length; i++)
val[i] = grib_handle_of_accessor(a)->buffer->data[a->offset + i];
val[i] = 0;
len[0] = i;
return GRIB_SUCCESS;
}
static int pack_string(grib_accessor* a, const char* val, size_t* len)
{
return GRIB_NOT_IMPLEMENTED;
}
static int pack_long(grib_accessor* a, const long* v, size_t* len)
{
grib_context_log(a->context, GRIB_LOG_ERROR, " Should not pack %s as long", a->name);
return GRIB_NOT_IMPLEMENTED;
}
static int pack_double(grib_accessor* a, const double* v, size_t* len)
{
grib_context_log(a->context, GRIB_LOG_ERROR, " Should not pack %s as double", a->name);
return GRIB_NOT_IMPLEMENTED;
}
static int unpack_long(grib_accessor* a, long* v, size_t* len)
{
char val[1024] = {0,};
size_t l = sizeof(val);
size_t i = 0;
char* last = NULL;
int err = grib_unpack_string(a, val, &l);
if (err)
return err;
i = 0;
while (i < l - 1 && val[i] == ' ')
i++;
if (val[i] == 0) {
*v = 0;
return 0;
}
if (val[i + 1] == ' ' && i < l - 2)
val[i + 1] = 0;
*v = strtol(val, &last, 10);
grib_context_log(a->context, GRIB_LOG_DEBUG, " Casting string %s to long", a->name);
return GRIB_SUCCESS;
}
static int unpack_double(grib_accessor* a, double* v, size_t* len)
{
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 compare(grib_accessor* a, grib_accessor* b)
{
int retval = 0;
char* aval = 0;
char* bval = 0;
int err = 0;
size_t alen = 0;
size_t blen = 0;
long count = 0;
err = grib_value_count(a, &count);
if (err)
return err;
alen = count;
err = grib_value_count(b, &count);
if (err)
return err;
blen = count;
if (alen != blen)
return GRIB_COUNT_MISMATCH;
aval = (char*)grib_context_malloc(a->context, alen * sizeof(char));
bval = (char*)grib_context_malloc(b->context, blen * sizeof(char));
grib_unpack_string(a, aval, &alen);
grib_unpack_string(b, bval, &blen);
retval = GRIB_SUCCESS;
if (strcmp(aval, bval))
retval = GRIB_STRING_VALUE_MISMATCH;
grib_context_free(a->context, aval);
grib_context_free(b->context, bval);
return retval;
}
static long next_offset(grib_accessor* a)
{
return a->offset + a->length;
}
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