/* * (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_unsigned IMPLEMENTS = unpack_long;pack_long; value_count IMPLEMENTS = init MEMBERS= const char* value MEMBERS= const char* factor MEMBERS= const char* divisor 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_long(grib_accessor*, const long* val, size_t* len); static int unpack_long(grib_accessor*, long* val, size_t* len); 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_times { grib_accessor att; /* Members defined in gen */ /* Members defined in long */ /* Members defined in unsigned */ long nbytes; grib_arguments* arg; /* Members defined in times */ const char* value; const char* factor; const char* divisor; } grib_accessor_times; extern grib_accessor_class* grib_accessor_class_unsigned; static grib_accessor_class _grib_accessor_class_times = { &grib_accessor_class_unsigned, /* super */ "times", /* name */ sizeof(grib_accessor_times), /* size */ 0, /* inited */ &init_class, /* init_class */ &init, /* init */ 0, /* post_init */ 0, /* free mem */ 0, /* describes himself */ 0, /* get length of section */ 0, /* 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 */ &pack_long, /* grib_pack procedures long */ &unpack_long, /* grib_unpack procedures long */ 0, /* grib_pack procedures double */ 0, /* grib_unpack procedures double */ 0, /* grib_pack procedures string */ 0, /* 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_times = &_grib_accessor_class_times; static void init_class(grib_accessor_class* c) { c->dump = (*(c->super))->dump; c->next_offset = (*(c->super))->next_offset; c->string_length = (*(c->super))->string_length; 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_double = (*(c->super))->pack_double; c->unpack_double = (*(c->super))->unpack_double; c->pack_string = (*(c->super))->pack_string; c->unpack_string = (*(c->super))->unpack_string; 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_times* self = (grib_accessor_times*)a; int n = 0; self->value = grib_arguments_get_name(grib_handle_of_accessor(a), c, n++); self->factor = grib_arguments_get_name(grib_handle_of_accessor(a), c, n++); self->divisor = grib_arguments_get_name(grib_handle_of_accessor(a), c, n++); a->length = 0; } static int unpack_long(grib_accessor* a, long* val, size_t* len) { grib_accessor_times* self = (grib_accessor_times*)a; int ret = 0; long factor = 0; long divisor = 1; int* err = &ret; long value = 0; if (*len < 1) return GRIB_ARRAY_TOO_SMALL; if (grib_is_missing(grib_handle_of_accessor(a), self->value, err) != 0) { *val = GRIB_MISSING_LONG; return GRIB_SUCCESS; } if (ret) return ret; ret = grib_get_long_internal(grib_handle_of_accessor(a), self->factor, &factor); if (ret) return ret; if (self->divisor) ret = grib_get_long_internal(grib_handle_of_accessor(a), self->divisor, &divisor); if (ret) return ret; ret = grib_get_long_internal(grib_handle_of_accessor(a), self->value, &value); if (ret) return ret; /* printf("factor=%ld divisor=%ld value=%ld\n",factor,divisor,value); */ *val = ((double)value * (double)factor) / (double)divisor; *len = 1; return ret; } static int pack_long(grib_accessor* a, const long* val, size_t* len) { grib_accessor_times* self = (grib_accessor_times*)a; int ret = 0; long value = 0; long factor, v, divisor = 1; if (*val == GRIB_MISSING_LONG) return grib_set_missing(grib_handle_of_accessor(a), self->value); ret = grib_get_long_internal(grib_handle_of_accessor(a), self->factor, &factor); if (ret) return ret; if (self->divisor) ret = grib_get_long_internal(grib_handle_of_accessor(a), self->divisor, &divisor); if (ret) return ret; /*Assert((*val%self->factor)==0);*/ v = *val * divisor; if ((v % factor) == 0) { value = v / factor; } else { value = v > 0 ? ((double)v) / factor + 0.5 : ((double)v) / factor - 0.5; /* grib_context_log(a->context,GRIB_LOG_WARNING,"%s/%ld = %ld/%ld = %ld. Rounding to convert key.",a->name,self->factor,*val,self->factor,value); */ } ret = grib_set_long_internal(grib_handle_of_accessor(a), self->value, value); if (ret) return ret; *len = 1; return ret; } static int value_count(grib_accessor* a, long* count) { *count = 1; return 0; }