-/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright 2016, Olivier MATZ <zer0@droids-corp.org>
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <assert.h>
-#include <stdarg.h>
-#include <errno.h>
-
-#include <ecoli_malloc.h>
-#include <ecoli_log.h>
-#include <ecoli_strvec.h>
-#include <ecoli_node.h>
-#include <ecoli_parse.h>
-#include <ecoli_complete.h>
-#include <ecoli_node.h>
-#include <ecoli_config.h>
-#include <ecoli_node_helper.h>
-#include <ecoli_node_or.h>
-#include <ecoli_node_str.h>
-#include <ecoli_test.h>
-
-EC_LOG_TYPE_REGISTER(node_or);
-
-struct ec_node_or {
- struct ec_node gen;
- struct ec_node **table;
- size_t len;
-};
-
-static int
-ec_node_or_parse(const struct ec_node *gen_node,
- struct ec_parse *state,
- const struct ec_strvec *strvec)
-{
- struct ec_node_or *node = (struct ec_node_or *)gen_node;
- unsigned int i;
- int ret;
-
- for (i = 0; i < node->len; i++) {
- ret = ec_node_parse_child(node->table[i], state, strvec);
- if (ret == EC_PARSE_NOMATCH)
- continue;
- return ret;
- }
-
- return EC_PARSE_NOMATCH;
-}
-
-static int
-ec_node_or_complete(const struct ec_node *gen_node,
- struct ec_comp *comp,
- const struct ec_strvec *strvec)
-{
- struct ec_node_or *node = (struct ec_node_or *)gen_node;
- int ret;
- size_t n;
-
- for (n = 0; n < node->len; n++) {
- ret = ec_node_complete_child(node->table[n],
- comp, strvec);
- if (ret < 0)
- return ret;
- }
-
- return 0;
-}
-
-static void ec_node_or_free_priv(struct ec_node *gen_node)
-{
- struct ec_node_or *node = (struct ec_node_or *)gen_node;
- size_t i;
-
- for (i = 0; i < node->len; i++)
- ec_node_free(node->table[i]);
- ec_free(node->table);
- node->table = NULL;
- node->len = 0;
-}
-
-static const struct ec_config_schema ec_node_or_subschema[] = {
- {
- .desc = "A child node which is part of the choice.",
- .type = EC_CONFIG_TYPE_NODE,
- },
- {
- .type = EC_CONFIG_TYPE_NONE,
- },
-};
-
-static const struct ec_config_schema ec_node_or_schema[] = {
- {
- .key = "children",
- .desc = "The list of children nodes defining the choice "
- "elements.",
- .type = EC_CONFIG_TYPE_LIST,
- .subschema = ec_node_or_subschema,
- },
- {
- .type = EC_CONFIG_TYPE_NONE,
- },
-};
-
-static int ec_node_or_set_config(struct ec_node *gen_node,
- const struct ec_config *config)
-{
- struct ec_node_or *node = (struct ec_node_or *)gen_node;
- struct ec_node **table = NULL;
- size_t i, len = 0;
-
- table = ec_node_config_node_list_to_table(
- ec_config_dict_get(config, "children"), &len);
- if (table == NULL)
- goto fail;
-
- for (i = 0; i < node->len; i++)
- ec_node_free(node->table[i]);
- ec_free(node->table);
- node->table = table;
- node->len = len;
-
- return 0;
-
-fail:
- for (i = 0; i < len; i++)
- ec_node_free(table[i]);
- ec_free(table);
- return -1;
-}
-
-static size_t
-ec_node_or_get_children_count(const struct ec_node *gen_node)
-{
- struct ec_node_or *node = (struct ec_node_or *)gen_node;
- return node->len;
-}
-
-static int
-ec_node_or_get_child(const struct ec_node *gen_node, size_t i,
- struct ec_node **child, unsigned int *refs)
-{
- struct ec_node_or *node = (struct ec_node_or *)gen_node;
-
- if (i >= node->len)
- return -1;
-
- *child = node->table[i];
- /* each child node is referenced twice: once in the config and
- * once in the node->table[] */
- *refs = 2;
- return 0;
-}
-
-static struct ec_node_type ec_node_or_type = {
- .name = "or",
- .schema = ec_node_or_schema,
- .set_config = ec_node_or_set_config,
- .parse = ec_node_or_parse,
- .complete = ec_node_or_complete,
- .size = sizeof(struct ec_node_or),
- .free_priv = ec_node_or_free_priv,
- .get_children_count = ec_node_or_get_children_count,
- .get_child = ec_node_or_get_child,
-};
-
-EC_NODE_TYPE_REGISTER(ec_node_or_type);
-
-int ec_node_or_add(struct ec_node *gen_node, struct ec_node *child)
-{
- struct ec_node_or *node = (struct ec_node_or *)gen_node;
- const struct ec_config *cur_config = NULL;
- struct ec_config *config = NULL, *children;
- int ret;
-
- assert(node != NULL);
-
- /* XXX factorize this code in a helper */
-
- if (ec_node_check_type(gen_node, &ec_node_or_type) < 0)
- goto fail;
-
- cur_config = ec_node_get_config(gen_node);
- if (cur_config == NULL)
- config = ec_config_dict();
- else
- config = ec_config_dup(cur_config);
- if (config == NULL)
- goto fail;
-
- children = ec_config_dict_get(config, "children");
- if (children == NULL) {
- children = ec_config_list();
- if (children == NULL)
- goto fail;
-
- if (ec_config_dict_set(config, "children", children) < 0)
- goto fail; /* children list is freed on error */
- }
-
- if (ec_config_list_add(children, ec_config_node(child)) < 0) {
- child = NULL;
- goto fail;
- }
-
- ret = ec_node_set_config(gen_node, config);
- config = NULL; /* freed */
- if (ret < 0)
- goto fail;
-
- return 0;
-
-fail:
- ec_config_free(config);
- ec_node_free(child);
- return -1;
-}
-
-struct ec_node *__ec_node_or(const char *id, ...)
-{
- struct ec_config *config = NULL, *children = NULL;
- struct ec_node *gen_node = NULL;
- struct ec_node *child;
- va_list ap;
- int ret;
-
- va_start(ap, id);
- child = va_arg(ap, struct ec_node *);
-
- gen_node = ec_node_from_type(&ec_node_or_type, id);
- if (gen_node == NULL)
- goto fail_free_children;
-
- config = ec_config_dict();
- if (config == NULL)
- goto fail_free_children;
-
- children = ec_config_list();
- if (children == NULL)
- goto fail_free_children;
-
- for (; child != EC_NODE_ENDLIST; child = va_arg(ap, struct ec_node *)) {
- if (child == NULL)
- goto fail_free_children;
-
- if (ec_config_list_add(children, ec_config_node(child)) < 0) {
- child = NULL;
- goto fail_free_children;
- }
- }
-
- if (ec_config_dict_set(config, "children", children) < 0) {
- children = NULL; /* freed */
- goto fail;
- }
- children = NULL;
-
- ret = ec_node_set_config(gen_node, config);
- config = NULL; /* freed */
- if (ret < 0)
- goto fail;
-
- va_end(ap);
-
- return gen_node;
-
-fail_free_children:
- for (; child != EC_NODE_ENDLIST; child = va_arg(ap, struct ec_node *))
- ec_node_free(child);
-fail:
- ec_node_free(gen_node); /* will also free added children */
- ec_config_free(children);
- ec_config_free(config);
- va_end(ap);
-
- return NULL;
-}
-
-/* LCOV_EXCL_START */
-static int ec_node_or_testcase(void)
-{
- struct ec_node *node;
- int testres = 0;
-
- node = EC_NODE_OR(EC_NO_ID,
- ec_node_str(EC_NO_ID, "foo"),
- ec_node_str(EC_NO_ID, "bar")
- );
- if (node == NULL) {
- EC_LOG(EC_LOG_ERR, "cannot create node\n");
- return -1;
- }
- testres |= EC_TEST_CHECK_PARSE(node, 1, "foo");
- testres |= EC_TEST_CHECK_PARSE(node, 1, "bar");
- testres |= EC_TEST_CHECK_PARSE(node, 1, "foo", "bar");
- testres |= EC_TEST_CHECK_PARSE(node, -1, " ");
- testres |= EC_TEST_CHECK_PARSE(node, -1, "foox");
- testres |= EC_TEST_CHECK_PARSE(node, -1, "toto");
- testres |= EC_TEST_CHECK_PARSE(node, -1, "");
- ec_node_free(node);
-
- /* test completion */
- node = EC_NODE_OR(EC_NO_ID,
- ec_node_str(EC_NO_ID, "foo"),
- ec_node_str(EC_NO_ID, "bar"),
- ec_node_str(EC_NO_ID, "bar2"),
- ec_node_str(EC_NO_ID, "toto"),
- ec_node_str(EC_NO_ID, "titi")
- );
- if (node == NULL) {
- EC_LOG(EC_LOG_ERR, "cannot create node\n");
- return -1;
- }
- testres |= EC_TEST_CHECK_COMPLETE(node,
- "", EC_NODE_ENDLIST,
- "foo", "bar", "bar2", "toto", "titi", EC_NODE_ENDLIST);
- testres |= EC_TEST_CHECK_COMPLETE(node,
- "f", EC_NODE_ENDLIST,
- "foo", EC_NODE_ENDLIST);
- testres |= EC_TEST_CHECK_COMPLETE(node,
- "b", EC_NODE_ENDLIST,
- "bar", "bar2", EC_NODE_ENDLIST);
- testres |= EC_TEST_CHECK_COMPLETE(node,
- "bar", EC_NODE_ENDLIST,
- "bar", "bar2", EC_NODE_ENDLIST);
- testres |= EC_TEST_CHECK_COMPLETE(node,
- "t", EC_NODE_ENDLIST,
- "toto", "titi", EC_NODE_ENDLIST);
- testres |= EC_TEST_CHECK_COMPLETE(node,
- "to", EC_NODE_ENDLIST,
- "toto", EC_NODE_ENDLIST);
- testres |= EC_TEST_CHECK_COMPLETE(node,
- "x", EC_NODE_ENDLIST,
- EC_NODE_ENDLIST);
- ec_node_free(node);
-
- return testres;
-}
-/* LCOV_EXCL_STOP */
-
-static struct ec_test ec_node_or_test = {
- .name = "node_or",
- .test = ec_node_or_testcase,
-};
-
-EC_TEST_REGISTER(ec_node_or_test);