mirror of https://github.com/ecmwf/eccodes.git
232 lines
7.2 KiB
C
232 lines
7.2 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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/***************************************************************************
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* Jean Baptiste Filippi - 01.11.2005 *
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* *
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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 = action
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IMPLEMENTS = create_accessor
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IMPLEMENTS = dump;xref
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IMPLEMENTS = destroy
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IMPLEMENTS = notify_change
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MEMBERS = long len
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MEMBERS = grib_arguments* params
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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 "action.class" and rerun ./make_class.pl
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*/
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static void init_class(grib_action_class*);
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static void dump(grib_action* d, FILE*, int);
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static void xref(grib_action* d, FILE* f, const char* path);
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static void destroy(grib_context*, grib_action*);
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static int create_accessor(grib_section*, grib_action*, grib_loader*);
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static int notify_change(grib_action* a, grib_accessor* observer, grib_accessor* observed);
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typedef struct grib_action_gen
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{
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grib_action act;
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/* Members defined in gen */
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long len;
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grib_arguments* params;
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} grib_action_gen;
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static grib_action_class _grib_action_class_gen = {
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0, /* super */
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"action_class_gen", /* name */
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sizeof(grib_action_gen), /* size */
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0, /* inited */
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&init_class, /* init_class */
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0, /* init */
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&destroy, /* destroy */
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&dump, /* dump */
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&xref, /* xref */
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&create_accessor, /* create_accessor*/
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¬ify_change, /* notify_change */
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0, /* reparse */
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0, /* execute */
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};
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grib_action_class* grib_action_class_gen = &_grib_action_class_gen;
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static void init_class(grib_action_class* c)
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{
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}
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/* END_CLASS_IMP */
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grib_action* grib_action_create_gen(grib_context* context, const char* name, const char* op, const long len,
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grib_arguments* params, grib_arguments* default_value, int flags, const char* name_space, const char* set)
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{
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grib_action_gen* a = NULL;
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grib_action_class* c = grib_action_class_gen;
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grib_action* act = (grib_action*)grib_context_malloc_clear_persistent(context, c->size);
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act->next = NULL;
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act->name = grib_context_strdup_persistent(context, name);
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act->op = grib_context_strdup_persistent(context, op);
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if (name_space)
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act->name_space = grib_context_strdup_persistent(context, name_space);
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act->cclass = c;
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act->context = context;
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act->flags = flags;
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#ifdef CHECK_LOWERCASE_AND_STRING_TYPE
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{
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int flag_lowercase=0, flag_stringtype=0;
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if (flags & GRIB_ACCESSOR_FLAG_LOWERCASE)
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flag_lowercase = 1;
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if (flags & GRIB_ACCESSOR_FLAG_STRING_TYPE)
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flag_stringtype = 1;
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if (flag_lowercase && !flag_stringtype) {
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printf("grib_action_create_gen name=%s. Has lowercase but not string_type\n", name);
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Assert(0);
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}
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}
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#endif
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a = (grib_action_gen*)act;
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a->len = len;
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a->params = params;
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if (set)
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act->set = grib_context_strdup_persistent(context, set);
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act->default_value = default_value;
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return act;
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}
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static void dump(grib_action* act, FILE* f, int lvl)
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{
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grib_action_gen* a = (grib_action_gen*)act;
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int i = 0;
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for (i = 0; i < lvl; i++)
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grib_context_print(act->context, f, " ");
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grib_context_print(act->context, f, "%s[%d] %s \n", act->op, a->len, act->name);
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}
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#if 0
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#define F(x) \
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if (flg & x) { \
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fprintf(f, "%s=>1,", #x); \
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flg &= !x; \
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}
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static int count = 0;
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static void xref(grib_action* act, FILE* f, const char* path)
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{
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grib_action_gen* a = (grib_action_gen*)act;
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unsigned long flg = act->flags;
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int position = a->len > 0 ? count++ : -1;
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fprintf(f, "bless({path=>'%s',size => %ld, name=> '%s', position=> %d, ", path, (long)a->len, act->name, position);
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fprintf(f, " params=> [");
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grib_arguments_print(act->context, a->params, NULL);
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fprintf(f, "], flags=> {");
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F(GRIB_ACCESSOR_FLAG_READ_ONLY);
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F(GRIB_ACCESSOR_FLAG_DUMP);
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F(GRIB_ACCESSOR_FLAG_EDITION_SPECIFIC);
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F(GRIB_ACCESSOR_FLAG_CAN_BE_MISSING);
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F(GRIB_ACCESSOR_FLAG_HIDDEN);
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F(GRIB_ACCESSOR_FLAG_CONSTRAINT);
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F(GRIB_ACCESSOR_FLAG_NO_COPY);
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F(GRIB_ACCESSOR_FLAG_COPY_OK);
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F(GRIB_ACCESSOR_FLAG_FUNCTION);
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F(GRIB_ACCESSOR_FLAG_DATA);
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F(GRIB_ACCESSOR_FLAG_NO_FAIL);
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F(GRIB_ACCESSOR_FLAG_TRANSIENT);
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F(GRIB_ACCESSOR_FLAG_STRING_TYPE);
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F(GRIB_ACCESSOR_FLAG_LONG_TYPE);
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F(GRIB_ACCESSOR_FLAG_DOUBLE_TYPE);
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/* make sure all flags are processed */
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if (flg) {
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printf("FLG = %ld\n", (long)flg);
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}
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Assert(flg == 0);
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fprintf(f, "}, defaults=> [");
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grib_arguments_print(act->context, act->default_value, NULL);
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fprintf(f, "]}, 'xref::%s'),\n", act->op);
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}
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#endif
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static void xref(grib_action* act, FILE* f, const char* path)
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{
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Assert(!"xref is disabled");
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}
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static int create_accessor(grib_section* p, grib_action* act, grib_loader* loader)
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{
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grib_action_gen* a = (grib_action_gen*)act;
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grib_accessor* ga = NULL;
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ga = grib_accessor_factory(p, act, a->len, a->params);
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if (!ga)
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return GRIB_INTERNAL_ERROR;
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grib_push_accessor(ga, p->block);
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if (ga->flags & GRIB_ACCESSOR_FLAG_CONSTRAINT)
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grib_dependency_observe_arguments(ga, act->default_value);
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if (loader == NULL)
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return GRIB_SUCCESS;
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else
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return loader->init_accessor(loader, ga, act->default_value);
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}
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static int notify_change(grib_action* act, grib_accessor* notified, grib_accessor* changed)
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{
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if (act->default_value)
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return grib_pack_expression(notified, grib_arguments_get_expression(grib_handle_of_accessor(notified), act->default_value, 0));
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return GRIB_SUCCESS;
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}
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static void destroy(grib_context* context, grib_action* act)
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{
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grib_action_gen* a = (grib_action_gen*)act;
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if (a->params != act->default_value)
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grib_arguments_free(context, a->params);
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grib_arguments_free(context, act->default_value);
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grib_context_free_persistent(context, act->name);
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grib_context_free_persistent(context, act->op);
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if(act->name_space) {
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grib_context_free_persistent(context, act->name_space);
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}
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if (act->set)
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grib_context_free_persistent(context, act->set);
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if (act->defaultkey) {
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grib_context_free_persistent(context, act->defaultkey);
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}
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}
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