--- /dev/null
+/* 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);
git.droids-corp.org / protos / libecoli.git / blobdiff