/*
 * (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      = action
   SUPER      = action_class_gen
   IMPLEMENTS = dump
   IMPLEMENTS = destroy;execute
   MEMBERS    = grib_darray *darray
   MEMBERS    = char *name
   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 "action.class" and rerun ./make_class.pl

*/

static void init_class      (grib_action_class*);
static void dump            (grib_action* d, FILE*,int);
static void destroy         (grib_context*,grib_action*);
static int execute(grib_action* a,grib_handle* h);


typedef struct grib_action_transient_darray {
    grib_action          act;
    /* Members defined in gen */
    long            len;
    grib_arguments* params;
    /* Members defined in transient_darray */
    grib_darray *darray;
    char *name;
} grib_action_transient_darray;

extern grib_action_class* grib_action_class_gen;

static grib_action_class _grib_action_class_transient_darray = {
    &grib_action_class_gen,                              /* super */
    "action_class_transient_darray",                 /* name */
    sizeof(grib_action_transient_darray),            /* size */
    0,                                   /* inited  */
    &init_class,                         /* init_class */
    0,                               /* init */
    &destroy,                            /* destroy */
    &dump,                               /* dump */
    0,                               /* xref */
    0,                    /* create_accessor */
    0,                      /* notify_change */
    0,                            /* reparse */
    &execute,                            /* execute */
};

grib_action_class* grib_action_class_transient_darray = &_grib_action_class_transient_darray;

static void init_class(grib_action_class* c)
{
    c->xref    =    (*(c->super))->xref;
    c->create_accessor    =    (*(c->super))->create_accessor;
    c->notify_change    =    (*(c->super))->notify_change;
    c->reparse    =    (*(c->super))->reparse;
}
/* END_CLASS_IMP */

grib_action* grib_action_create_transient_darray(grib_context* context, const char* name, grib_darray* darray, int flags)
{
    grib_action_transient_darray* a = NULL;
    grib_action_class* c            = grib_action_class_transient_darray;
    grib_action* act                = (grib_action*)grib_context_malloc_clear_persistent(context, c->size);
    act->op                         = grib_context_strdup_persistent(context, "transient_darray");

    act->cclass  = c;
    a            = (grib_action_transient_darray*)act;
    act->context = context;
    act->flags   = flags;

    a->darray = darray;
    a->name   = grib_context_strdup_persistent(context, name);

    act->name = grib_context_strdup_persistent(context, name);

    return act;
}

static int execute(grib_action* act, grib_handle* h)
{
    grib_action_transient_darray* self = (grib_action_transient_darray*)act;
    size_t len                         = grib_darray_used_size(self->darray);
    grib_accessor* a                   = NULL;
    grib_section* p                    = h->root;

    a = grib_accessor_factory(p, act, self->len, self->params);
    if (!a)
        return GRIB_INTERNAL_ERROR;

    grib_push_accessor(a, p->block);

    if (a->flags & GRIB_ACCESSOR_FLAG_CONSTRAINT)
        grib_dependency_observe_arguments(a, act->default_value);

    return a->pack_double(self->darray->v, &len);
}

static void dump(grib_action* act, FILE* f, int lvl)
{
    int i = 0;
    const grib_action_transient_darray* self = (grib_action_transient_darray*)act;
    for (i = 0; i < lvl; i++)
        grib_context_print(act->context, f, "     ");
    grib_context_print(act->context, f, self->name);
    printf("\n");
}

static void destroy(grib_context* context, grib_action* act)
{
    grib_action_transient_darray* a = (grib_action_transient_darray*)act;

    grib_context_free_persistent(context, a->name);
    grib_darray_delete(context, a->darray);
}
