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action_class_concept.c
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action_class_concept.c
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/*
* (C) Copyright 2005- ECMWF.
*
* This software is licensed under the terms of the Apache Licence Version 2.0
* which can be obtained at https://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.
*/
/***************************************************************************
* Jean Baptiste Filippi - 01.11.2005 *
* Enrico Fucile *
* *
***************************************************************************/
#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
MEMBERS = grib_concept_value* concept
MEMBERS = char* basename
MEMBERS = char* masterDir
MEMBERS = char* localDir
MEMBERS = int nofail
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*);
typedef struct grib_action_concept
{
grib_action act;
/* Members defined in gen */
long len;
grib_arguments* params;
/* Members defined in concept */
grib_concept_value* concept;
char* basename;
char* masterDir;
char* localDir;
int nofail;
} grib_action_concept;
extern grib_action_class* grib_action_class_gen;
static grib_action_class _grib_action_class_concept = {
&grib_action_class_gen, /* super */
"action_class_concept", /* name */
sizeof(grib_action_concept), /* size */
0, /* inited */
&init_class, /* init_class */
0, /* init */
&destroy, /* destroy */
&dump, /* dump */
0, /* xref */
0, /* create_accessor*/
0, /* notify_change */
0, /* reparse */
0, /* execute */
};
grib_action_class* grib_action_class_concept = &_grib_action_class_concept;
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;
c->execute = (*(c->super))->execute;
}
/* END_CLASS_IMP */
#if GRIB_PTHREADS
static pthread_once_t once = PTHREAD_ONCE_INIT;
static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
static void init()
{
pthread_mutexattr_t attr;
pthread_mutexattr_init(&attr);
pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
pthread_mutex_init(&mutex, &attr);
pthread_mutexattr_destroy(&attr);
}
#elif GRIB_OMP_THREADS
static int once = 0;
static omp_nest_lock_t mutex;
static void init()
{
GRIB_OMP_CRITICAL(lock_action_class_concept_c)
{
if (once == 0) {
omp_init_nest_lock(&mutex);
once = 1;
}
}
}
#endif
static grib_concept_value* get_concept(grib_handle* h, grib_action_concept* self);
grib_concept_value* action_concept_get_concept(grib_accessor* a)
{
return get_concept(grib_handle_of_accessor(a), (grib_action_concept*)a->creator);
}
int action_concept_get_nofail(grib_accessor* a)
{
grib_action_concept* self = (grib_action_concept*)a->creator;
return self->nofail;
}
grib_action* grib_action_create_concept(grib_context* context,
const char* name,
grib_concept_value* concept,
const char* basename, const char* name_space, const char* defaultkey,
const char* masterDir, const char* localDir, const char* ecmfDir, int flags, int nofail)
{
grib_action_concept* a = NULL;
grib_action_class* c = grib_action_class_concept;
grib_action* act = (grib_action*)grib_context_malloc_clear_persistent(context, c->size);
act->op = grib_context_strdup_persistent(context, "concept");
act->cclass = c;
a = (grib_action_concept*)act;
act->context = context;
act->flags = flags;
if (name_space)
act->name_space = grib_context_strdup_persistent(context, name_space);
if (basename)
a->basename = grib_context_strdup_persistent(context, basename);
else
a->basename = NULL;
if (masterDir)
a->masterDir = grib_context_strdup_persistent(context, masterDir);
else
a->masterDir = NULL;
if (localDir)
a->localDir = grib_context_strdup_persistent(context, localDir);
else
a->localDir = NULL;
if (defaultkey)
act->defaultkey = grib_context_strdup_persistent(context, defaultkey);
a->concept = concept;
if (concept) {
grib_concept_value* conc_val = concept;
grib_trie* index = grib_trie_new(context);
while (conc_val) {
conc_val->index = index;
grib_trie_insert_no_replace(index, conc_val->name, conc_val);
conc_val = conc_val->next;
}
}
act->name = grib_context_strdup_persistent(context, name);
a->nofail = nofail;
return act;
}
static void dump(grib_action* act, FILE* f, int lvl)
{
int i = 0;
for (i = 0; i < lvl; i++)
grib_context_print(act->context, f, " ");
printf("concept(%s) { ", act->name);
printf("\n");
for (i = 0; i < lvl; i++)
grib_context_print(act->context, f, " ");
printf("}\n");
}
static void destroy(grib_context* context, grib_action* act)
{
grib_action_concept* self = (grib_action_concept*)act;
grib_concept_value* v = self->concept;
if (v) {
grib_trie_delete_container(v->index);
}
while (v) {
grib_concept_value* n = v->next;
grib_concept_value_delete(context, v);
v = n;
}
grib_context_free_persistent(context, self->masterDir);
grib_context_free_persistent(context, self->localDir);
grib_context_free_persistent(context, self->basename);
}
static grib_concept_value* get_concept_impl(grib_handle* h, grib_action_concept* self)
{
char buf[4096] = {0,};
char master[1024] = {0,};
char local[1024] = {0,};
char masterDir[1024] = {0,};
size_t lenMasterDir = 1024;
char key[4096] = {0,};
char* full = 0;
int id;
grib_context* context = ((grib_action*)self)->context;
grib_concept_value* c = NULL;
if (self->concept != NULL)
return self->concept;
Assert(self->masterDir);
grib_get_string(h, self->masterDir, masterDir, &lenMasterDir);
sprintf(buf, "%s/%s", masterDir, self->basename);
grib_recompose_name(h, NULL, buf, master, 1);
if (self->localDir) {
char localDir[1024] = {0,};
size_t lenLocalDir = 1024;
grib_get_string(h, self->localDir, localDir, &lenLocalDir);
sprintf(buf, "%s/%s", localDir, self->basename);
grib_recompose_name(h, NULL, buf, local, 1);
}
sprintf(key, "%s%s", master, local);
id = grib_itrie_get_id(h->context->concepts_index, key);
if ((c = h->context->concepts[id]) != NULL)
return c;
if (*local && (full = grib_context_full_defs_path(context, local)) != NULL) {
c = grib_parse_concept_file(context, full);
grib_context_log(h->context, GRIB_LOG_DEBUG,
"Loading concept %s from %s", ((grib_action*)self)->name, full);
}
full = grib_context_full_defs_path(context, master);
if (c) {
grib_concept_value* last = c;
while (last->next)
last = last->next;
if (full) {
last->next = grib_parse_concept_file(context, full);
}
}
else if (full) {
c = grib_parse_concept_file(context, full);
}
else {
grib_context_log(context, GRIB_LOG_FATAL,
"unable to find definition file %s in %s:%s\nDefinition files path=\"%s\"",
self->basename, master, local, context->grib_definition_files_path);
return NULL;
}
if (full) {
grib_context_log(h->context, GRIB_LOG_DEBUG,
"Loading concept %s from %s", ((grib_action*)self)->name, full);
}
h->context->concepts[id] = c;
if (c) {
grib_trie* index = grib_trie_new(context);
while (c) {
c->index = index;
grib_trie_insert_no_replace(index, c->name, c);
c = c->next;
}
}
return h->context->concepts[id];
}
static grib_concept_value* get_concept(grib_handle* h, grib_action_concept* self)
{
grib_concept_value* result = NULL;
GRIB_MUTEX_INIT_ONCE(&once, &init)
GRIB_MUTEX_LOCK(&mutex);
result = get_concept_impl(h, self);
GRIB_MUTEX_UNLOCK(&mutex);
return result;
}
static int concept_condition_expression_true(grib_handle* h, grib_concept_condition* c, char* exprVal)
{
long lval;
long lres = 0;
int ok = 0;
int err = 0;
const int type = grib_expression_native_type(h, c->expression);
switch (type) {
case GRIB_TYPE_LONG:
grib_expression_evaluate_long(h, c->expression, &lres);
ok = (grib_get_long(h, c->name, &lval) == GRIB_SUCCESS) &&
(lval == lres);
if (ok)
sprintf(exprVal, "%ld", lres);
break;
case GRIB_TYPE_DOUBLE: {
double dval;
double dres = 0.0;
grib_expression_evaluate_double(h, c->expression, &dres);
ok = (grib_get_double(h, c->name, &dval) == GRIB_SUCCESS) &&
(dval == dres);
if (ok)
sprintf(exprVal, "%g", dres);
break;
}
case GRIB_TYPE_STRING: {
const char* cval;
char buf[80];
char tmp[80];
size_t len = sizeof(buf);
size_t size = sizeof(tmp);
ok = (grib_get_string(h, c->name, buf, &len) == GRIB_SUCCESS) &&
((cval = grib_expression_evaluate_string(h, c->expression, tmp, &size, &err)) != NULL) &&
(err == 0) && (strcmp(buf, cval) == 0);
if (ok)
sprintf(exprVal, "%s", cval);
break;
}
default:
/* TODO: */
break;
}
return ok;
}
/* Caller has to allocate space for the result.
* INPUTS: h, key and value (can be NULL)
* OUTPUT: result
* Example: key='typeOfLevel' whose value is 'mixedLayerDepth',
* result='typeOfFirstFixedSurface=169,typeOfSecondFixedSurface=255'
*/
int get_concept_condition_string(grib_handle* h, const char* key, const char* value, char* result)
{
int err = 0;
int length = 0;
char strVal[64] = {0,};
char exprVal[256] = {0,};
const char* pValue = value;
size_t len = sizeof(strVal);
grib_concept_value* concept_value = NULL;
grib_accessor* acc = grib_find_accessor(h, key);
if (!acc)
return GRIB_NOT_FOUND;
if (!value) {
err = grib_get_string(h, key, strVal, &len);
if (err)
return GRIB_INTERNAL_ERROR;
pValue = strVal;
}
concept_value = action_concept_get_concept(acc);
while (concept_value) {
grib_concept_condition* concept_condition = concept_value->conditions;
if (strcmp(pValue, concept_value->name) == 0) {
while (concept_condition) {
grib_expression* expression = concept_condition->expression;
const char* condition_name = concept_condition->name;
Assert(expression);
if (concept_condition_expression_true(h, concept_condition, exprVal) && strcmp(condition_name, "one") != 0) {
length += sprintf(result + length, "%s%s=%s",
(length == 0 ? "" : ","), condition_name, exprVal);
}
concept_condition = concept_condition->next;
}
}
concept_value = concept_value->next;
}
if (length == 0)
return GRIB_CONCEPT_NO_MATCH;
return GRIB_SUCCESS;
}