eccodes/tools/list_keys.cc

/*
 * (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"

typedef struct grib_action_if
{
    grib_action act;
    /* Members defined in section */
    /* Members defined in if */
    grib_expression* expression;
    grib_action* block_true;
    grib_action* block_false;
} grib_action_if;

typedef struct grib_action_list
{
    grib_action act;
    /* Members defined in section */
    /* Members defined in list */
    grib_expression* expression;
    grib_action* block_list;
} grib_action_list;

static void print_names(grib_action* a)
{
    while (a) {
        if (a->op && !strcmp(a->op, "label")) {
            a = a->next;
            continue;
        }
        if (!strcmp(a->cclass->name, "action_class_noop") ||
            !strcmp(a->cclass->name, "action_class_when")) {
            a = a->next;
            continue;
        }

        if (!strcmp(a->cclass->name, "action_class_list")) {
            grib_action_list* al = (grib_action_list*)a;
            printf("%s\n", a->name);
            print_names(al->block_list);
        }
        else if (!strcmp(a->cclass->name, "action_class_if")) {
            grib_action_if* ai = (grib_action_if*)a;
            print_names(ai->block_false);
            print_names(ai->block_true);
        }
        else {
            /* printf("%s (%s %s)\n",a->name,a->op,a->cclass->name); */
            printf("%s\n", a->name);
        }

        a = a->next;
    }
}

int main(int argc, char* argv[])
{
    int i    = 0;
    int fail = 0;

    grib_context* c = grib_context_get_default();
    grib_action* a  = NULL;

    for (i = 1; i < argc; i++) {
        /* printf("%s ... \n",argv[i]);fflush(stdout); */
        if (!(a = grib_parse_file(c, argv[i]))) {
            fail++;
            printf("FAILED\n");
            exit(1);
        }
        else
            print_names(a);
    }

    return fail;
}