mirror of https://github.com/ecmwf/eccodes.git
209 lines
7.0 KiB
C
209 lines
7.0 KiB
C
/*
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* Copyright 2005-2017 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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#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_ascii
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IMPLEMENTS = unpack_long;pack_string;
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IMPLEMENTS = pack_long
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IMPLEMENTS = init
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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 pack_string(grib_accessor*, const char*, size_t *len);
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static int unpack_long(grib_accessor*, long* val,size_t *len);
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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_ksec1expver {
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grib_accessor att;
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/* Members defined in gen */
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/* Members defined in ascii */
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/* Members defined in ksec1expver */
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} grib_accessor_ksec1expver;
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extern grib_accessor_class* grib_accessor_class_ascii;
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static grib_accessor_class _grib_accessor_class_ksec1expver = {
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&grib_accessor_class_ascii, /* super */
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"ksec1expver", /* name */
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sizeof(grib_accessor_ksec1expver), /* 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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&pack_long, /* grib_pack procedures long */
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&unpack_long, /* 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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&pack_string, /* 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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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_ksec1expver = &_grib_accessor_class_ksec1expver;
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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_double = (*(c->super))->pack_double;
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c->unpack_double = (*(c->super))->unpack_double;
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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->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->length = len;
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Assert(a->length>=0);
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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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long value = 0;
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long pos = a->offset*8;
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char *intc = NULL;
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char expver[5];
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char refexpver[5];
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size_t llen = a->length+1;
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Assert(a->length == 4);
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if(*len < 1)
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{
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grib_context_log(a->context, GRIB_LOG_ERROR, "Wrong size for %s it contains %d values ", a->name , 1 );
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*len = 0;
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return GRIB_ARRAY_TOO_SMALL;
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}
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value = grib_decode_unsigned_long(grib_handle_of_accessor(a)->buffer->data , &pos, a->length*8);
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grib_unpack_string(a, refexpver , &llen);
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/* test for endiannes */
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intc = (char*)&value;
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expver[0] = intc[0];
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expver[1] = intc[1];
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expver[2] = intc[2];
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expver[3] = intc[3];
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expver[4] = 0;
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/* if there is a difference, have to reverse*/
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if(strcmp(refexpver, expver)){
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intc[0] = expver[3];
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intc[1] = expver[2];
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intc[2] = expver[1];
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intc[3] = expver[0];
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}
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*val = value;
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*len = 1;
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return GRIB_SUCCESS;
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}
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static int pack_string(grib_accessor* a, const char* val, size_t *len)
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{
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int i = 0;
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if (len[0] != 4 ) {
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grib_context_log(a->context, GRIB_LOG_ERROR, "Wrong length for %s. It has to be 4",a->name);
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return GRIB_INVALID_KEY_VALUE;
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}
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if(len[0] > (a->length)+1)
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{
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grib_context_log(a->context, GRIB_LOG_ERROR, "pack_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_BUFFER_TOO_SMALL;
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}
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for ( i = 0; i < a->length; i++)
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grib_handle_of_accessor(a)->buffer->data[a->offset+i] = val[i];
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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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char sval[5]={0,};
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size_t slen=4;
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sprintf(sval,"%04d",(int)(*val));
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return pack_string(a,sval,&slen);
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}
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