/** * Copyright 2005-2007 ECMWF * * Licensed under the GNU Lesser General Public License which * incorporates the terms and conditions of version 3 of the GNU * General Public License. * See LICENSE and gpl-3.0.txt for details. */ #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 long value_count(grib_accessor*); 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 */ &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 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 */ }; 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->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_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; } /* 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(a->parent->h,c,n++); self->factor = grib_arguments_get_name(a->parent->h,c,n++); self->divisor = grib_arguments_get_name(a->parent->h,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(a->parent->h,self->value,err)!=0) { *val=GRIB_MISSING_LONG; return GRIB_SUCCESS; } if(ret ) return ret; ret = grib_get_long_internal(a->parent->h, self->factor,&factor); if(ret ) return ret; if (self->divisor) ret = grib_get_long_internal(a->parent->h, self->divisor,&divisor); if(ret ) return ret; ret = grib_get_long_internal(a->parent->h, 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(a->parent->h,self->value); ret = grib_get_long_internal(a->parent->h, self->factor,&factor); if(ret ) return ret; if (self->divisor) ret = grib_get_long_internal(a->parent->h, 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->parent->h->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(a->parent->h, self->value,value); if(ret ) return ret; *len = 1; return ret; } static long value_count(grib_accessor* a) { return 1;}