eccodes/src/grib_accessor_class_sprintf.c

253 lines
9.9 KiB
C

/*
* (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.
*/
#include "grib_api_internal.h"
/*
This is used by make_class.pl
START_CLASS_DEF
CLASS = accessor
SUPER = grib_accessor_class_ascii
IMPLEMENTS = pack_string;unpack_string;value_count
IMPLEMENTS = init;string_length
MEMBERS= grib_arguments* args
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_string(grib_accessor*, const char*, size_t* len);
static int unpack_string(grib_accessor*, char*, size_t* len);
static size_t string_length(grib_accessor*);
static int value_count(grib_accessor*, long*);
static void init(grib_accessor*, const long, grib_arguments*);
static void init_class(grib_accessor_class*);
typedef struct grib_accessor_sprintf
{
grib_accessor att;
/* Members defined in gen */
/* Members defined in ascii */
/* Members defined in sprintf */
grib_arguments* args;
} grib_accessor_sprintf;
extern grib_accessor_class* grib_accessor_class_ascii;
static grib_accessor_class _grib_accessor_class_sprintf = {
&grib_accessor_class_ascii, /* super */
"sprintf", /* name */
sizeof(grib_accessor_sprintf), /* size */
0, /* inited */
&init_class, /* init_class */
&init, /* init */
0, /* post_init */
0, /* free mem */
0, /* describes himself */
0, /* 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 */
0, /* get native type */
0, /* get sub_section */
0, /* grib_pack procedures long */
0, /* grib_pack procedures long */
0, /* grib_pack procedures long */
0, /* grib_unpack procedures long */
0, /* grib_pack procedures double */
0, /* 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 */
0, /* compare vs. another accessor */
0, /* unpack only ith value */
0, /* unpack a subarray */
0, /* clear */
0, /* clone accessor */
};
grib_accessor_class* grib_accessor_class_sprintf = &_grib_accessor_class_sprintf;
static void init_class(grib_accessor_class* c)
{
c->dump = (*(c->super))->dump;
c->next_offset = (*(c->super))->next_offset;
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->is_missing = (*(c->super))->is_missing;
c->pack_long = (*(c->super))->pack_long;
c->unpack_long = (*(c->super))->unpack_long;
c->pack_double = (*(c->super))->pack_double;
c->unpack_double = (*(c->super))->unpack_double;
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->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;
c->make_clone = (*(c->super))->make_clone;
}
/* END_CLASS_IMP */
static void init(grib_accessor* a, const long l, grib_arguments* c)
{
grib_accessor_sprintf* self = (grib_accessor_sprintf*)a;
self->args = c;
a->flags |= GRIB_ACCESSOR_FLAG_READ_ONLY;
}
static int pack_string(grib_accessor* a, const char* val, size_t* len)
{
return GRIB_NOT_IMPLEMENTED;
}
static int unpack_string(grib_accessor* a, char* val, size_t* len)
{
grib_accessor_sprintf* self = (grib_accessor_sprintf*)a;
char result[1024];
char tempBuffer[2048];
char sres[1024];
long ires = 0;
double dres = 0;
int i = 0;
size_t replen = 1024;
int ret = GRIB_SUCCESS;
int carg = 0;
int is_missing = 0;
const char* uname = NULL;
const char* tempname = NULL;
size_t uname_len = 0;
uname = grib_arguments_get_string(grib_handle_of_accessor(a), self->args, carg++);
sprintf(result, "%s", "");
uname_len = strlen(uname);
for (i = 0; i < uname_len; i++) {
if (uname[i] == '%') {
int precision = 999;
i++;
if (uname[i] == '.') {
char *theEnd = NULL, *start;
start = (char*)&(uname[++i]);
precision = strtol(start, &theEnd, 10);
Assert(*theEnd != 0);
while (uname[i] != *theEnd)
i++;
}
switch (uname[i]) {
case 'd':
tempname = grib_arguments_get_name(grib_handle_of_accessor(a), self->args, carg++);
if ((ret = grib_get_long_internal(grib_handle_of_accessor(a), tempname, &ires)) != GRIB_SUCCESS)
return ret;
/* Bug GRIB-56: Check to see if the key is missing */
is_missing = grib_is_missing(grib_handle_of_accessor(a), tempname, &ret);
if (ret != GRIB_SUCCESS)
return ret;
if (is_missing) {
sprintf(tempBuffer, "%sMISSING", result);
strcpy(result, tempBuffer);
}
else {
/* Not missing so print it */
if (precision != 999) {
sprintf(tempBuffer, "%s%.*ld", result, precision, ires);
strcpy(result, tempBuffer);
}
else {
sprintf(tempBuffer, "%s%ld", result, ires);
strcpy(result, tempBuffer);
}
}
break;
case 'g':
tempname = grib_arguments_get_name(grib_handle_of_accessor(a), self->args, carg++);
if ((ret = grib_get_double_internal(grib_handle_of_accessor(a), tempname, &dres)) != GRIB_SUCCESS)
return ret;
sprintf(tempBuffer, "%s%g", result, dres);
strcpy(result, tempBuffer);
break;
case 's':
tempname = grib_arguments_get_name(grib_handle_of_accessor(a), self->args, carg++);
if ((ret = grib_get_string_internal(grib_handle_of_accessor(a), tempname, sres, &replen)) != GRIB_SUCCESS)
return ret;
sprintf(tempBuffer, "%s%s", result, sres);
strcpy(result, tempBuffer);
replen = 1024;
}
}
else {
sprintf(tempBuffer, "%s%c", result, uname[i]);
strcpy(result, tempBuffer);
}
}
replen = strlen(result) + 1;
if (*len < replen) {
*len = replen;
return GRIB_ARRAY_TOO_SMALL;
}
*len = replen;
sprintf(val, "%s", result);
return GRIB_SUCCESS;
}
static int value_count(grib_accessor* a, long* count)
{
*count = 1;
return 0;
}
static size_t string_length(grib_accessor* a)
{
return 1024;
}