mirror of https://github.com/ecmwf/eccodes.git
177 lines
6.3 KiB
C
177 lines
6.3 KiB
C
/*
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* Copyright 2005-2018 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_padding
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IMPLEMENTS = init;preferred_size
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MEMBERS=const char* section_offset
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MEMBERS=const char* section_length
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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 void init(grib_accessor*,const long, grib_arguments* );
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static void init_class(grib_accessor_class*);
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static size_t preferred_size(grib_accessor*,int);
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typedef struct grib_accessor_padtoeven {
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grib_accessor att;
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/* Members defined in gen */
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/* Members defined in bytes */
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/* Members defined in padding */
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/* Members defined in padtoeven */
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const char* section_offset;
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const char* section_length;
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} grib_accessor_padtoeven;
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extern grib_accessor_class* grib_accessor_class_padding;
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static grib_accessor_class _grib_accessor_class_padtoeven = {
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&grib_accessor_class_padding, /* super */
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"padtoeven", /* name */
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sizeof(grib_accessor_padtoeven), /* 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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0, /* 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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0, /* 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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0, /* 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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&preferred_size, /* 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_padtoeven = &_grib_accessor_class_padtoeven;
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static void init_class(grib_accessor_class* c)
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{
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c->dump = (*(c->super))->dump;
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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->get_native_type = (*(c->super))->get_native_type;
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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->unpack_string = (*(c->super))->unpack_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->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 size_t preferred_size(grib_accessor* a,int from_handle)
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{
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grib_accessor_padtoeven* self = (grib_accessor_padtoeven*)a;
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long offset = 0;
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long length = 0;
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long seclen;
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grib_get_long_internal(grib_handle_of_accessor(a),self->section_offset,&offset);
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grib_get_long_internal(grib_handle_of_accessor(a),self->section_length,&length);
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if((length%2) && from_handle) {
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#if 0
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grib_context_log(a->context,
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GRIB_LOG_ERROR,"GRIB message has an odd length section (%ld, %s)",
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(long)length,a->name);
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#endif
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return 0;
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}
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/* printf("EVEN %ld %ld\n",(long) a->offset,(long) offset);*/
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seclen = a->offset - offset;
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return seclen % 2 ? 1 : 0;
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}
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static void init(grib_accessor* a, const long len, grib_arguments* args)
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{
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grib_accessor_padtoeven* self = (grib_accessor_padtoeven*)a;
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self->section_offset = grib_arguments_get_name(grib_handle_of_accessor(a),args,0);
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self->section_length = grib_arguments_get_name(grib_handle_of_accessor(a),args,1);
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a->length = preferred_size(a,1);
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}
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