mirror of https://github.com/ecmwf/eccodes.git
271 lines
9.7 KiB
C
271 lines
9.7 KiB
C
/*
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* (C) Copyright 2005- ECMWF.
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*
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* This software is licensed under the terms of the Apache Licence Version 2.0
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* which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
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*
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* In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
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* virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
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*/
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/***********************************************************
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* Enrico Fucile
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***********************************************************/
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#include "grib_api_internal.h"
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/*
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This is used by make_class.pl
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START_CLASS_DEF
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CLASS = accessor
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SUPER = grib_accessor_class_to_double
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IMPLEMENTS = init; unpack_string
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IMPLEMENTS = dump
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IMPLEMENTS = get_native_type
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END_CLASS_DEF
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*/
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/* START_CLASS_IMP */
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/*
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Don't edit anything between START_CLASS_IMP and END_CLASS_IMP
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Instead edit values between START_CLASS_DEF and END_CLASS_DEF
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or edit "accessor.class" and rerun ./make_class.pl
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*/
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static int get_native_type(grib_accessor*);
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static int unpack_string(grib_accessor*, char*, size_t* len);
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static void dump(grib_accessor*, grib_dumper*);
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static void init(grib_accessor*, const long, grib_arguments*);
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static void init_class(grib_accessor_class*);
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typedef struct grib_accessor_sexagesimal2decimal
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{
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grib_accessor att;
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/* Members defined in gen */
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/* Members defined in to_double */
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const char* key;
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long start;
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size_t length;
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long scale;
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/* Members defined in sexagesimal2decimal */
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} grib_accessor_sexagesimal2decimal;
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extern grib_accessor_class* grib_accessor_class_to_double;
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static grib_accessor_class _grib_accessor_class_sexagesimal2decimal = {
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&grib_accessor_class_to_double, /* super */
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"sexagesimal2decimal", /* name */
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sizeof(grib_accessor_sexagesimal2decimal), /* size */
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0, /* inited */
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&init_class, /* init_class */
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&init, /* init */
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0, /* post_init */
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0, /* free mem */
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&dump, /* describes himself */
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0, /* get length of section */
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0, /* get length of string */
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0, /* get number of values */
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0, /* get number of bytes */
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0, /* get offset to bytes */
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&get_native_type, /* get native type */
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0, /* get sub_section */
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0, /* grib_pack procedures long */
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0, /* grib_pack procedures long */
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0, /* grib_pack procedures long */
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0, /* grib_unpack procedures long */
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0, /* grib_pack procedures double */
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0, /* grib_unpack procedures double */
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0, /* grib_pack procedures string */
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&unpack_string, /* grib_unpack procedures string */
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0, /* grib_pack array procedures string */
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0, /* grib_unpack array procedures string */
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0, /* grib_pack procedures bytes */
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0, /* grib_unpack procedures bytes */
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0, /* pack_expression */
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0, /* notify_change */
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0, /* update_size */
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0, /* preferred_size */
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0, /* resize */
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0, /* nearest_smaller_value */
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0, /* next accessor */
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0, /* compare vs. another accessor */
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0, /* unpack only ith value */
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0, /* unpack a subarray */
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0, /* clear */
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0, /* clone accessor */
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};
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grib_accessor_class* grib_accessor_class_sexagesimal2decimal = &_grib_accessor_class_sexagesimal2decimal;
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static void init_class(grib_accessor_class* c)
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{
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c->next_offset = (*(c->super))->next_offset;
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c->string_length = (*(c->super))->string_length;
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c->value_count = (*(c->super))->value_count;
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c->byte_count = (*(c->super))->byte_count;
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c->byte_offset = (*(c->super))->byte_offset;
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c->sub_section = (*(c->super))->sub_section;
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c->pack_missing = (*(c->super))->pack_missing;
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c->is_missing = (*(c->super))->is_missing;
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c->pack_long = (*(c->super))->pack_long;
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c->unpack_long = (*(c->super))->unpack_long;
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c->pack_double = (*(c->super))->pack_double;
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c->unpack_double = (*(c->super))->unpack_double;
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c->pack_string = (*(c->super))->pack_string;
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c->pack_string_array = (*(c->super))->pack_string_array;
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c->unpack_string_array = (*(c->super))->unpack_string_array;
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c->pack_bytes = (*(c->super))->pack_bytes;
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c->unpack_bytes = (*(c->super))->unpack_bytes;
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c->pack_expression = (*(c->super))->pack_expression;
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c->notify_change = (*(c->super))->notify_change;
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c->update_size = (*(c->super))->update_size;
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c->preferred_size = (*(c->super))->preferred_size;
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c->resize = (*(c->super))->resize;
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c->nearest_smaller_value = (*(c->super))->nearest_smaller_value;
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c->next = (*(c->super))->next;
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c->compare = (*(c->super))->compare;
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c->unpack_double_element = (*(c->super))->unpack_double_element;
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c->unpack_double_subarray = (*(c->super))->unpack_double_subarray;
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c->clear = (*(c->super))->clear;
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c->make_clone = (*(c->super))->make_clone;
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}
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/* END_CLASS_IMP */
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static void init(grib_accessor* a, const long len, grib_arguments* arg)
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{
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a->flags |= GRIB_ACCESSOR_FLAG_READ_ONLY;
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}
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static void dump(grib_accessor* a, grib_dumper* dumper)
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{
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grib_dump_double(dumper, a, NULL);
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}
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static int get_native_type(grib_accessor* a)
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{
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return GRIB_TYPE_DOUBLE;
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}
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static int unpack_string(grib_accessor* a, char* val, size_t* len)
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{
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int err = 0;
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grib_accessor_sexagesimal2decimal* self = (grib_accessor_sexagesimal2decimal*)a;
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char buff[512] = {0,};
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size_t length = 0;
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size_t size = 512;
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char* p;
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char* q;
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double dd, mm = 0, ss = 0;
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int dd_sign = 1;
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err = grib_get_string(grib_handle_of_accessor(a), self->key, buff, &size);
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if (err)
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return err;
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q = buff + self->start;
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if (self->length)
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q[length] = 0;
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p = q;
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while (*p != '-' && *p != ':' && *p != ' ' && *p != 0) {
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p++;
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}
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if (*p == 0) {
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return GRIB_WRONG_CONVERSION;
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}
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*p = 0;
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dd = atoi(q);
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p++;
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q = p;
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while (*p != '-' && *p != ':' && *p != ' ' && *p != 'N' && *p != 'S' && *p != 'E' && *p != 'W' && *p != 0) {
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p++;
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}
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switch (*p) {
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case ' ':
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case '-':
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case ':':
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*p = 0;
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mm = atoi(q) / 60.0;
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dd += mm;
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p++;
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q = p;
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break;
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case 'N':
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case 'E':
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*p = 0;
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dd_sign = 1;
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mm = atoi(q) / 60.0;
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dd += mm;
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p++;
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q = p;
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break;
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case 'S':
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case 'W':
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*p = 0;
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mm = atoi(q) / 60.0;
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dd += mm;
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dd_sign = -1;
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p++;
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q = p;
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break;
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case 0:
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break;
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default:
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return GRIB_WRONG_CONVERSION;
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}
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if (*p) {
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while (*p != '-' && *p != ':' && *p != ' ' && *p != 'N' && *p != 'S' && *p != 'E' && *p != 'W' && *p != 0) {
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p++;
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}
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switch (*p) {
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case ' ':
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case '-':
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case ':':
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*p = 0;
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ss = atof(q) / 60.0;
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dd += ss;
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break;
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case 'N':
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case 'E':
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*p = 0;
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ss = atof(q) / 60.0;
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dd += ss;
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dd_sign = 1;
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break;
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case 'S':
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case 'W':
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*p = 0;
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ss = atof(q) / 60.0;
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dd += ss;
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dd_sign = -1;
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break;
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case 0:
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break;
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default:
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return GRIB_WRONG_CONVERSION;
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}
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}
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dd *= dd_sign;
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sprintf(buff, "%.2f", dd);
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length = strlen(buff);
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if (len[0] < length + 1) {
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grib_context_log(a->context, GRIB_LOG_ERROR, "unpack_string: Wrong size (%d) for %s it contains %d values ", len[0], a->name, a->length + 1);
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len[0] = 0;
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return GRIB_ARRAY_TOO_SMALL;
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}
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strcpy(val, buff);
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len[0] = length;
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return GRIB_SUCCESS;
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}
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