-/*
- * Copyright (c) 2016, Olivier MATZ <zer0@droids-corp.org>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * * Neither the name of the University of California, Berkeley nor the
- * names of its contributors may be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2016, Olivier MATZ <zer0@droids-corp.org>
*/
#include <stdio.h>
#include <stdlib.h>
+#include <stdint.h>
#include <string.h>
#include <assert.h>
#include <errno.h>
#include <ecoli_malloc.h>
+#include <ecoli_string.h>
#include <ecoli_strvec.h>
#include <ecoli_keyval.h>
#include <ecoli_log.h>
+#include <ecoli_config.h>
+#include <ecoli_test.h>
#include <ecoli_node.h>
+#include <ecoli_node_str.h>
+#include <ecoli_node_seq.h>
+
+EC_LOG_TYPE_REGISTER(node);
+
static struct ec_node_type_list node_type_list =
TAILQ_HEAD_INITIALIZER(node_type_list);
-struct ec_node_type *ec_node_type_lookup(const char *name)
+const struct ec_node_type *
+ec_node_type_lookup(const char *name)
{
struct ec_node_type *type;
return type;
}
+ errno = ENOENT;
return NULL;
}
int ec_node_type_register(struct ec_node_type *type)
{
- if (ec_node_type_lookup(type->name) != NULL)
- return -EEXIST;
- if (type->size < sizeof(struct ec_node))
- return -EINVAL;
+ EC_CHECK_ARG(type->size >= sizeof(struct ec_node), -1, EINVAL);
+
+ if (ec_node_type_lookup(type->name) != NULL) {
+ errno = EEXIST;
+ return -1;
+ }
TAILQ_INSERT_TAIL(&node_type_list, type, next);
struct ec_node *__ec_node(const struct ec_node_type *type, const char *id)
{
struct ec_node *node = NULL;
- char buf[256]; // XXX
- ec_log(EC_LOG_DEBUG, "create node type=%s id=%s\n", type->name, id);
+ EC_LOG(EC_LOG_DEBUG, "create node type=%s id=%s\n",
+ type->name, id);
+ if (id == NULL) {
+ errno = EINVAL;
+ goto fail;
+ }
node = ec_calloc(1, type->size);
if (node == NULL)
goto fail;
- TAILQ_INIT(&node->children);
node->type = type;
node->refcnt = 1;
- if (id != NULL) {
- node->id = ec_strdup(id);
- if (node->id == NULL)
- goto fail;
- }
+ node->id = ec_strdup(id);
+ if (node->id == NULL)
+ goto fail;
- snprintf(buf, sizeof(buf), "<%s>", type->name);
- node->desc = ec_strdup(buf); // XXX ec_asprintf ?
- if (node->desc == NULL)
+ if (ec_asprintf(&node->desc, "<%s>", type->name) < 0)
goto fail;
node->attrs = ec_keyval();
if (node->attrs == NULL)
goto fail;
+ if (type->init_priv != NULL) {
+ if (type->init_priv(node) < 0)
+ goto fail;
+ }
+
return node;
fail:
- ec_node_free(node);
+ if (node != NULL) {
+ ec_keyval_free(node->attrs);
+ ec_free(node->desc);
+ ec_free(node->id);
+ }
+ ec_free(node);
+
return NULL;
}
struct ec_node *ec_node(const char *typename, const char *id)
{
- struct ec_node_type *type;
+ const struct ec_node_type *type;
type = ec_node_type_lookup(typename);
if (type == NULL) {
- ec_log(EC_LOG_ERR, "type=%s does not exist\n", typename);
+ EC_LOG(EC_LOG_ERR, "type=%s does not exist\n",
+ typename);
return NULL;
}
if (node->type != NULL && node->type->free_priv != NULL)
node->type->free_priv(node);
+ ec_free(node->children);
ec_free(node->id);
ec_free(node->desc);
- ec_free(node->attrs);
+ ec_keyval_free(node->attrs);
+ ec_config_free(node->config);
ec_free(node);
}
return node;
}
+size_t ec_node_get_children_count(const struct ec_node *node)
+{
+ return node->n_children;
+}
+
+struct ec_node *
+ec_node_get_child(const struct ec_node *node, size_t i)
+{
+ if (i >= ec_node_get_children_count(node))
+ return NULL;
+ return node->children[i];
+}
+
+int ec_node_add_child(struct ec_node *node, struct ec_node *child)
+{
+ struct ec_node **children = NULL;
+ size_t n;
+
+ if (node == NULL || child == NULL) {
+ errno = EINVAL;
+ goto fail;
+ }
+
+ n = node->n_children;
+ children = ec_realloc(node->children,
+ (n + 1) * sizeof(child));
+ if (children == NULL)
+ goto fail;
+
+ children[n] = child;
+ node->children = children;
+ node->n_children = n + 1;
+
+ return 0;
+
+fail:
+ ec_free(children);
+ assert(errno != 0);
+ return -1;
+}
+
+int
+ec_node_set_config(struct ec_node *node, struct ec_config *config)
+{
+ if (node->type->schema == NULL) {
+ errno = EINVAL;
+ goto fail;
+ }
+ if (ec_config_validate(config, node->type->schema,
+ node->type->schema_len) < 0)
+ goto fail;
+ if (node->type->set_config != NULL) {
+ if (node->type->set_config(node, config) < 0)
+ goto fail;
+ }
+
+ ec_config_free(node->config);
+ node->config = config;
+
+ return 0;
+
+fail:
+ ec_config_free(config);
+ return -1;
+}
+
+const struct ec_config *ec_node_get_config(struct ec_node *node)
+{
+ return node->config;
+}
+
+#if 0 /* later */
+int ec_node_del_child(struct ec_node *node, struct ec_node *child)
+{
+ size_t i, n;
+
+ if (node == NULL || child == NULL)
+ goto fail;
+
+ n = node->n_children;
+ for (i = 0; i < n; i++) {
+ if (node->children[i] != child)
+ continue;
+ memcpy(&node->children[i], &node->children[i+1],
+ (n - i - 1) * sizeof(child));
+ return 0;
+ }
+
+fail:
+ errno = EINVAL;
+ return -1;
+}
+#endif
+
struct ec_node *ec_node_find(struct ec_node *node, const char *id)
{
struct ec_node *child, *ret;
const char *node_id = ec_node_id(node);
+ size_t i, n;
if (id != NULL && node_id != NULL && !strcmp(node_id, id))
return node;
- TAILQ_FOREACH(child, &node->children, next) {
+ n = node->n_children;
+ for (i = 0; i < n; i++) {
+ child = node->children[i];
ret = ec_node_find(child, id);
if (ret != NULL)
return ret;
return NULL;
}
+const struct ec_node_type *ec_node_type(const struct ec_node *node)
+{
+ return node->type;
+}
+
struct ec_keyval *ec_node_attrs(const struct ec_node *node)
{
return node->attrs;
return node->id;
}
-struct ec_node *ec_node_parent(const struct ec_node *node)
-{
- return node->parent;
-}
-
static void __ec_node_dump(FILE *out,
const struct ec_node *node, size_t indent)
{
+ const char *id, *typename;
struct ec_node *child;
- size_t i;
- const char *id = "None", *typename = "None";
+ size_t i, n;
- if (node->id != NULL)
- id = node->id;
+ id = ec_node_id(node);
typename = node->type->name;
- /* XXX enhance */
- for (i = 0; i < indent; i++) {
- if (i % 2)
- fprintf(out, " ");
- else
- fprintf(out, "|");
+ fprintf(out, "%*s" "type=%s id=%s %p\n",
+ (int)indent * 4, "", typename, id, node);
+ n = node->n_children;
+ for (i = 0; i < n; i++) {
+ child = node->children[i];
+ __ec_node_dump(out, child, indent + 1);
}
-
- fprintf(out, "node_type=%s id=%s\n", typename, id);
- TAILQ_FOREACH(child, &node->children, next)
- __ec_node_dump(out, child, indent + 2);
}
void ec_node_dump(FILE *out, const struct ec_node *node)
{
- fprintf(out, "------------------- node dump:\n"); //XXX
+ fprintf(out, "------------------- node dump:\n");
if (node == NULL) {
fprintf(out, "node is NULL\n");
return node->desc;
}
+
+int ec_node_check_type(const struct ec_node *node,
+ const struct ec_node_type *type)
+{
+ if (strcmp(node->type->name, type->name)) {
+ errno = EINVAL;
+ return -1;
+ }
+
+ return 0;
+}
+
+/* LCOV_EXCL_START */
+static int ec_node_testcase(void)
+{
+ struct ec_node *node = NULL;
+ const struct ec_node *child;
+ const struct ec_node_type *type;
+ FILE *f = NULL;
+ char *buf = NULL;
+ size_t buflen = 0;
+ int testres = 0;
+ int ret;
+
+ node = EC_NODE_SEQ(EC_NO_ID,
+ ec_node_str("id_x", "x"),
+ ec_node_str("id_y", "y"));
+ if (node == NULL)
+ goto fail;
+
+ ec_node_clone(node);
+ ec_node_free(node);
+
+ f = open_memstream(&buf, &buflen);
+ if (f == NULL)
+ goto fail;
+ ec_node_dump(f, node);
+ ec_node_type_dump(f);
+ ec_node_dump(f, NULL);
+ fclose(f);
+ f = NULL;
+
+ testres |= EC_TEST_CHECK(
+ strstr(buf, "type=seq id=no-id"), "bad dump\n");
+ testres |= EC_TEST_CHECK(
+ strstr(buf, "type=str id=id_x") &&
+ strstr(strstr(buf, "type=str id=id_x") + 1,
+ "type=str id=id_y"),
+ "bad dump\n");
+ free(buf);
+ buf = NULL;
+
+ testres |= EC_TEST_CHECK(
+ !strcmp(ec_node_type(node)->name, "seq") &&
+ !strcmp(ec_node_id(node), EC_NO_ID) &&
+ !strcmp(ec_node_desc(node), "<seq>"),
+ "bad child 0");
+
+ testres |= EC_TEST_CHECK(
+ ec_node_get_children_count(node) == 2,
+ "bad children count\n");
+ child = ec_node_get_child(node, 0);
+ testres |= EC_TEST_CHECK(child != NULL &&
+ !strcmp(ec_node_type(child)->name, "str") &&
+ !strcmp(ec_node_id(child), "id_x"),
+ "bad child 0");
+ child = ec_node_get_child(node, 1);
+ testres |= EC_TEST_CHECK(child != NULL &&
+ !strcmp(ec_node_type(child)->name, "str") &&
+ !strcmp(ec_node_id(child), "id_y"),
+ "bad child 1");
+ child = ec_node_get_child(node, 2);
+ testres |= EC_TEST_CHECK(child == NULL,
+ "child 2 should be NULL");
+
+ child = ec_node_find(node, "id_x");
+ testres |= EC_TEST_CHECK(child != NULL &&
+ !strcmp(ec_node_type(child)->name, "str") &&
+ !strcmp(ec_node_id(child), "id_x") &&
+ !strcmp(ec_node_desc(child), "x"),
+ "bad child id_x");
+ child = ec_node_find(node, "id_dezdex");
+ testres |= EC_TEST_CHECK(child == NULL,
+ "child with wrong id should be NULL");
+
+ ret = ec_keyval_set(ec_node_attrs(node), "key", "val", NULL);
+ testres |= EC_TEST_CHECK(ret == 0,
+ "cannot set node attribute\n");
+
+ type = ec_node_type_lookup("seq");
+ testres |= EC_TEST_CHECK(type != NULL &&
+ ec_node_check_type(node, type) == 0,
+ "cannot get seq node type");
+ type = ec_node_type_lookup("str");
+ testres |= EC_TEST_CHECK(type != NULL &&
+ ec_node_check_type(node, type) < 0,
+ "node type should not be str");
+
+ ec_node_free(node);
+ node = NULL;
+
+ node = ec_node("deznuindez", EC_NO_ID);
+ testres |= EC_TEST_CHECK(node == NULL,
+ "should not be able to create node\n");
+
+ return testres;
+
+fail:
+ ec_node_free(node);
+ if (f != NULL)
+ fclose(f);
+ free(buf);
+
+ assert(errno != 0);
+ return -1;
+}
+/* LCOV_EXCL_STOP */
+
+static struct ec_test ec_node_test = {
+ .name = "node",
+ .test = ec_node_testcase,
+};
+
+EC_TEST_REGISTER(ec_node_test);