mirror of https://github.com/ecmwf/eccodes.git
127 lines
3.5 KiB
C++
127 lines
3.5 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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#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 = expression
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IMPLEMENTS = native_type;pack_missing
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IMPLEMENTS = destroy
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IMPLEMENTS = evaluate_long
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IMPLEMENTS = evaluate_double
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IMPLEMENTS = print
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IMPLEMENTS = add_dependency
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MEMBERS = long value
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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 "expression.class" and rerun ./make_class.pl
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*/
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typedef const char* string; /* to keep make_class.pl happy */
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static void init_class (grib_expression_class*);
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static void destroy(grib_context*,grib_expression* e);
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static void print(grib_context*,grib_expression*,grib_handle*);
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static void add_dependency(grib_expression* e, grib_accessor* observer);
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static int native_type(grib_expression*,grib_handle*);
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static int evaluate_long(grib_expression*,grib_handle*,long*);
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static int evaluate_double(grib_expression*,grib_handle*,double*);
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typedef struct grib_expression_long{
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grib_expression base;
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/* Members defined in long */
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long value;
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} grib_expression_long;
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static grib_expression_class _grib_expression_class_long = {
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0, /* super */
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"long", /* name */
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sizeof(grib_expression_long),/* size of instance */
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0, /* inited */
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&init_class, /* init_class */
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0, /* constructor */
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&destroy, /* destructor */
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&print,
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&add_dependency,
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&native_type,
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0,
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&evaluate_long,
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&evaluate_double,
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0,
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};
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grib_expression_class* grib_expression_class_long = &_grib_expression_class_long;
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static void init_class(grib_expression_class* c)
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{
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}
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/* END_CLASS_IMP */
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static int evaluate_long(grib_expression* g, grib_handle* h, long* lres)
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{
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grib_expression_long* e = (grib_expression_long*)g;
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*lres = e->value;
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return GRIB_SUCCESS;
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}
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static int evaluate_double(grib_expression* g, grib_handle* h, double* dres)
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{
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grib_expression_long* e = (grib_expression_long*)g;
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*dres = e->value;
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return GRIB_SUCCESS;
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}
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static void print(grib_context* c, grib_expression* g, grib_handle* f)
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{
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grib_expression_long* e = (grib_expression_long*)g;
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printf("long(%ld)", e->value);
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}
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static void destroy(grib_context* c, grib_expression* g)
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{
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/* grib_expression_long* e = (grib_expression_long*)g; */
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}
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static void add_dependency(grib_expression* g, grib_accessor* observer)
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{
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/* grib_expression_long* e = (grib_expression_long*)g; */
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}
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grib_expression* new_long_expression(grib_context* c, long value)
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{
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grib_expression_long* e = (grib_expression_long*)grib_context_malloc_clear_persistent(c, sizeof(grib_expression_long));
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e->base.cclass = grib_expression_class_long;
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e->value = value;
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return (grib_expression*)e;
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}
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static int native_type(grib_expression* g, grib_handle* h)
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{
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return GRIB_TYPE_LONG;
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}
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