mirror of https://github.com/ecmwf/eccodes.git
286 lines
8.5 KiB
C++
286 lines
8.5 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_long
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IMPLEMENTS = unpack_long;pack_long;unpack_string
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IMPLEMENTS = init;dump;value_count
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MEMBERS=const char* century
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MEMBERS=const char* year
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MEMBERS=const char* month
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MEMBERS=const char* day
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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 pack_long(grib_accessor*, const long* val, size_t* len);
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static int unpack_long(grib_accessor*, long* val, size_t* len);
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static int unpack_string(grib_accessor*, char*, size_t* len);
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static int value_count(grib_accessor*, long*);
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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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typedef struct grib_accessor_g1date
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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 long */
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/* Members defined in g1date */
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const char* century;
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const char* year;
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const char* month;
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const char* day;
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} grib_accessor_g1date;
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extern grib_accessor_class* grib_accessor_class_long;
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static grib_accessor_class _grib_accessor_class_g1date = {
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&grib_accessor_class_long, /* super */
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"g1date", /* name */
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sizeof(grib_accessor_g1date), /* size */
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0, /* inited */
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0, /* init_class */
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&init, /* init */
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0, /* post_init */
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0, /* destroy */
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&dump, /* dump */
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0, /* next_offset */
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0, /* get length of string */
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&value_count, /* 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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0, /* get native type */
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0, /* get sub_section */
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0, /* pack_missing */
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0, /* is_missing */
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&pack_long, /* pack_long */
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&unpack_long, /* unpack_long */
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0, /* pack_double */
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0, /* pack_float */
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0, /* unpack_double */
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0, /* unpack_float */
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0, /* pack_string */
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&unpack_string, /* unpack_string */
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0, /* pack_string_array */
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0, /* unpack_string_array */
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0, /* pack_bytes */
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0, /* unpack_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 (double) */
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0, /* unpack only ith value (float) */
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0, /* unpack a given set of elements (double) */
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0, /* unpack a given set of elements (float) */
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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_g1date = &_grib_accessor_class_g1date;
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/* END_CLASS_IMP */
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static void init(grib_accessor* a, const long l, grib_arguments* c)
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{
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grib_accessor_g1date* self = (grib_accessor_g1date*)a;
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grib_handle* hand = grib_handle_of_accessor(a);
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int n = 0;
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self->century = grib_arguments_get_name(hand, c, n++);
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self->year = grib_arguments_get_name(hand, c, n++);
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self->month = grib_arguments_get_name(hand, c, n++);
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self->day = grib_arguments_get_name(hand, c, n++);
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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_long(dumper, a, NULL);
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}
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static int unpack_long(grib_accessor* a, long* val, size_t* len)
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{
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int ret = 0;
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grib_accessor_g1date* self = (grib_accessor_g1date*)a;
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grib_handle* hand = grib_handle_of_accessor(a);
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long year = 0;
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long century = 0;
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long month = 0;
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long day = 0;
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if ((ret = grib_get_long_internal(hand, self->century, ¢ury)) != GRIB_SUCCESS)
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return ret;
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if ((ret = grib_get_long_internal(hand, self->day, &day)) != GRIB_SUCCESS)
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return ret;
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if ((ret = grib_get_long_internal(hand, self->month, &month)) != GRIB_SUCCESS)
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return ret;
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if ((ret = grib_get_long_internal(hand, self->year, &year)) != GRIB_SUCCESS)
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return ret;
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if (*len < 1)
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return GRIB_WRONG_ARRAY_SIZE;
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*val = ((century - 1) * 100 + year) * 10000 + month * 100 + day;
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if (year == 255 && day == 255 && month >= 1 && month <= 12) {
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*val = month;
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}
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if (year == 255 && day != 255 && month >= 1 && month <= 12) {
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*val = month * 100 + day;
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}
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return GRIB_SUCCESS;
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}
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static int pack_long(grib_accessor* a, const long* val, size_t* len)
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{
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int ret = 0;
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long v = val[0];
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grib_accessor_g1date* self = (grib_accessor_g1date*)a;
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grib_handle* hand = grib_handle_of_accessor(a);
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long year = 0;
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long century = 0;
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long month = 0;
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long day = 0;
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if (*len != 1)
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return GRIB_WRONG_ARRAY_SIZE;
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{
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long d = grib_julian_to_date((long)grib_date_to_julian(v));
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if (v != d) {
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grib_context_log(a->context, GRIB_LOG_ERROR, "grib_accessor_g1date: pack_long invalid date %ld, changed to %ld", v, d);
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return GRIB_ENCODING_ERROR;
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}
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}
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century = v / 1000000;
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v %= 1000000;
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year = v / 10000;
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v %= 10000;
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month = v / 100;
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v %= 100;
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day = v;
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if (year == 0)
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year = 100;
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else
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century++;
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if ((ret = grib_set_long_internal(hand, self->century, century)) != GRIB_SUCCESS)
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return ret;
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if ((ret = grib_set_long_internal(hand, self->day, day)) != GRIB_SUCCESS)
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return ret;
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if ((ret = grib_set_long_internal(hand, self->month, month)) != GRIB_SUCCESS)
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return ret;
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if ((ret = grib_set_long_internal(hand, self->year, year)) != GRIB_SUCCESS)
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return ret;
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return GRIB_SUCCESS;
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}
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static const char* months[] = {
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"jan",
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"feb",
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"mar",
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"apr",
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"may",
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"jun",
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"jul",
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"aug",
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"sep",
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"oct",
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"nov",
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"dec",
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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 ret = 0;
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char tmp[1024];
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grib_accessor_g1date* self = (grib_accessor_g1date*)a;
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grib_handle* hand = grib_handle_of_accessor(a);
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long year = 0;
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long century = 0;
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long month = 0;
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long day = 0;
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size_t l;
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if ((ret = grib_get_long_internal(hand, self->century, ¢ury)) != GRIB_SUCCESS)
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return ret;
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if ((ret = grib_get_long_internal(hand, self->day, &day)) != GRIB_SUCCESS)
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return ret;
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if ((ret = grib_get_long_internal(hand, self->month, &month)) != GRIB_SUCCESS)
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return ret;
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if ((ret = grib_get_long_internal(hand, self->year, &year)) != GRIB_SUCCESS)
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return ret;
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if (*len < 1)
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return GRIB_WRONG_ARRAY_SIZE;
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if (year == 255 && day == 255 && month >= 1 && month <= 12) {
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strcpy(tmp, months[month - 1]);
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}
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else if (year == 255 && month >= 1 && month <= 12) {
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snprintf(tmp, sizeof(tmp), "%s-%02ld", months[month - 1], day);
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/* snprintf(tmp,sizeof(tmp),"%02ld-%02ld",month,day); */
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}
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else {
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long x = ((century - 1) * 100 + year) * 10000 + month * 100 + day;
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snprintf(tmp, sizeof(tmp), "%ld", x);
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}
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l = strlen(tmp) + 1;
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if (*len < l) {
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*len = l;
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return GRIB_BUFFER_TOO_SMALL;
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}
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*len = l;
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strcpy(val, tmp);
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return GRIB_SUCCESS;
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}
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static int value_count(grib_accessor* a, long* count)
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{
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*count = 1;
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return 0;
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}
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