-/*
- * 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 <ecoli_test.h>
#include <ecoli_strvec.h>
#include <ecoli_node.h>
-#include <ecoli_parsed.h>
-#include <ecoli_completed.h>
+#include <ecoli_config.h>
+#include <ecoli_parse.h>
+#include <ecoli_complete.h>
+#include <ecoli_node_helper.h>
#include <ecoli_node_str.h>
#include <ecoli_node_option.h>
#include <ecoli_node_or.h>
#include <ecoli_node_many.h>
#include <ecoli_node_seq.h>
+EC_LOG_TYPE_REGISTER(node_seq);
+
struct ec_node_seq {
struct ec_node gen;
struct ec_node **table;
static int
ec_node_seq_parse(const struct ec_node *gen_node,
- struct ec_parsed *state,
+ struct ec_parse *state,
const struct ec_strvec *strvec)
{
struct ec_node_seq *node = (struct ec_node_seq *)gen_node;
for (i = 0; i < node->len; i++) {
childvec = ec_strvec_ndup(strvec, len,
ec_strvec_len(strvec) - len);
- if (childvec == NULL) {
- ret = -ENOMEM;
+ if (childvec == NULL)
goto fail;
- }
ret = ec_node_parse_child(node->table[i], state, childvec);
+ if (ret < 0)
+ goto fail;
+
ec_strvec_free(childvec);
childvec = NULL;
- if (ret == EC_PARSED_NOMATCH) {
- ec_parsed_free_children(state);
- return EC_PARSED_NOMATCH;
- } else if (ret < 0) {
- goto fail;
+
+ if (ret == EC_PARSE_NOMATCH) {
+ ec_parse_free_children(state);
+ return EC_PARSE_NOMATCH;
}
len += ret;
fail:
ec_strvec_free(childvec);
- return ret;
+ return -1;
}
-static struct ec_completed *
+static int
__ec_node_seq_complete(struct ec_node **table, size_t table_len,
- struct ec_parsed *state, const struct ec_strvec *strvec)
+ struct ec_comp *comp,
+ const struct ec_strvec *strvec)
{
- struct ec_completed *completed, *child_completed;
+ struct ec_parse *parse = ec_comp_get_state(comp);
struct ec_strvec *childvec = NULL;
unsigned int i;
int ret;
- completed = ec_completed();
- if (completed == NULL)
- return NULL;
-
if (table_len == 0)
- return completed;
+ return 0;
/*
* Example of completion for a sequence node = [n1,n2] and an
*/
/* first, try to complete with the first node of the table */
- child_completed = ec_node_complete_child(table[0], state, strvec);
- if (child_completed == NULL)
+ ret = ec_node_complete_child(table[0], comp, strvec);
+ if (ret < 0)
goto fail;
- ec_completed_merge(completed, child_completed);
- child_completed = NULL;
-
/* then, if the first node of the table matches the beginning of the
* strvec, try to complete the rest */
for (i = 0; i < ec_strvec_len(strvec); i++) {
if (childvec == NULL)
goto fail;
- ret = ec_node_parse_child(table[0], state, childvec);
- if (ret < 0 && ret != EC_PARSED_NOMATCH)
+ ret = ec_node_parse_child(table[0], parse, childvec);
+ if (ret < 0)
goto fail;
ec_strvec_free(childvec);
childvec = NULL;
if ((unsigned int)ret != i) {
- if (ret != EC_PARSED_NOMATCH)
- ec_parsed_del_last_child(state);
+ if (ret != EC_PARSE_NOMATCH)
+ ec_parse_del_last_child(parse);
continue;
}
childvec = ec_strvec_ndup(strvec, i, ec_strvec_len(strvec) - i);
if (childvec == NULL) {
- ec_parsed_del_last_child(state);
+ ec_parse_del_last_child(parse);
goto fail;
}
- child_completed = __ec_node_seq_complete(&table[1],
- table_len - 1,
- state, childvec);
- ec_parsed_del_last_child(state);
+ ret = __ec_node_seq_complete(&table[1],
+ table_len - 1,
+ comp, childvec);
+ ec_parse_del_last_child(parse);
ec_strvec_free(childvec);
childvec = NULL;
- if (child_completed == NULL)
+ if (ret < 0)
goto fail;
-
- ec_completed_merge(completed, child_completed);
- child_completed = NULL;
}
- return completed;
+ return 0;
fail:
ec_strvec_free(childvec);
- ec_completed_free(child_completed);
- ec_completed_free(completed);
- return NULL;
+ return -1;
}
-static struct ec_completed *
+static int
ec_node_seq_complete(const struct ec_node *gen_node,
- struct ec_parsed *state,
+ struct ec_comp *comp,
const struct ec_strvec *strvec)
{
struct ec_node_seq *node = (struct ec_node_seq *)gen_node;
- return __ec_node_seq_complete(node->table, node->len, state, strvec);
+ return __ec_node_seq_complete(node->table, node->len, comp,
+ strvec);
}
-static size_t ec_node_seq_get_max_parse_len(const struct ec_node *gen_node)
+static void ec_node_seq_free_priv(struct ec_node *gen_node)
{
struct ec_node_seq *node = (struct ec_node_seq *)gen_node;
- size_t i, len, ret = 0;
-
- for (i = 0; i < node->len; i++) {
- len = ec_node_get_max_parse_len(node->table[i]);
- if (len <= SIZE_MAX - ret)
- ret += len;
- else
- ret = SIZE_MAX;
- }
+ size_t i;
- return ret;
+ for (i = 0; i < node->len; i++)
+ ec_node_free(node->table[i]);
+ ec_free(node->table);
}
-static void ec_node_seq_free_priv(struct ec_node *gen_node)
+static const struct ec_config_schema ec_node_seq_subschema[] = {
+ {
+ .desc = "A child node which is part of the sequence.",
+ .type = EC_CONFIG_TYPE_NODE,
+ },
+ {
+ .type = EC_CONFIG_TYPE_NONE,
+ },
+};
+
+static const struct ec_config_schema ec_node_seq_schema[] = {
+ {
+ .key = "children",
+ .desc = "The list of children nodes, to be parsed in sequence.",
+ .type = EC_CONFIG_TYPE_LIST,
+ .subschema = ec_node_seq_subschema,
+ },
+ {
+ .type = EC_CONFIG_TYPE_NONE,
+ },
+};
+
+static int ec_node_seq_set_config(struct ec_node *gen_node,
+ const struct ec_config *config)
{
struct ec_node_seq *node = (struct ec_node_seq *)gen_node;
- unsigned int i;
+ 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_seq_get_children_count(const struct ec_node *gen_node)
+{
+ struct ec_node_seq *node = (struct ec_node_seq *)gen_node;
+ return node->len;
+}
+
+static int
+ec_node_seq_get_child(const struct ec_node *gen_node, size_t i,
+ struct ec_node **child, unsigned int *refs)
+{
+ struct ec_node_seq *node = (struct ec_node_seq *)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_seq_type = {
.name = "seq",
+ .schema = ec_node_seq_schema,
+ .set_config = ec_node_seq_set_config,
.parse = ec_node_seq_parse,
.complete = ec_node_seq_complete,
- .get_max_parse_len = ec_node_seq_get_max_parse_len,
.size = sizeof(struct ec_node_seq),
.free_priv = ec_node_seq_free_priv,
+ .get_children_count = ec_node_seq_get_children_count,
+ .get_child = ec_node_seq_get_child,
};
EC_NODE_TYPE_REGISTER(ec_node_seq_type);
int ec_node_seq_add(struct ec_node *gen_node, struct ec_node *child)
{
struct ec_node_seq *node = (struct ec_node_seq *)gen_node;
- struct ec_node **table;
-
- // XXX check node type
+ const struct ec_config *cur_config = NULL;
+ struct ec_config *config = NULL, *children;
+ int ret;
assert(node != NULL);
- if (child == NULL)
- return -EINVAL;
+ /* XXX factorize this code in a helper */
- gen_node->flags &= ~EC_NODE_F_BUILT;
+ if (ec_node_check_type(gen_node, &ec_node_seq_type) < 0)
+ goto fail;
- table = ec_realloc(node->table, (node->len + 1) * sizeof(*node->table));
- if (table == NULL) {
- ec_node_free(child);
- return -1;
+ 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 */
}
- node->table = table;
- table[node->len] = child;
- node->len++;
+ if (ec_config_list_add(children, ec_config_node(child)) < 0) {
+ child = NULL;
+ goto fail;
+ }
- child->parent = gen_node;
- TAILQ_INSERT_TAIL(&gen_node->children, child, next); // XXX really needed?
+ 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_seq(const char *id, ...)
{
+ struct ec_config *config = NULL, *children = NULL;
struct ec_node *gen_node = NULL;
- struct ec_node_seq *node = NULL;
struct ec_node *child;
va_list ap;
- int fail = 0;
+ int ret;
va_start(ap, id);
+ child = va_arg(ap, struct ec_node *);
+
+ gen_node = ec_node_from_type(&ec_node_seq_type, id);
+ if (gen_node == NULL)
+ goto fail_free_children;
+
+ config = ec_config_dict();
+ if (config == NULL)
+ goto fail_free_children;
- gen_node = __ec_node(&ec_node_seq_type, id);
- node = (struct ec_node_seq *)gen_node;
- if (node == NULL)
- fail = 1;;
+ children = ec_config_list();
+ if (children == NULL)
+ goto fail_free_children;
- for (child = va_arg(ap, struct ec_node *);
- child != EC_NODE_ENDLIST;
- child = va_arg(ap, struct ec_node *)) {
+ for (; child != EC_NODE_ENDLIST; child = va_arg(ap, struct ec_node *)) {
+ if (child == NULL)
+ goto fail_free_children;
- /* on error, don't quit the loop to avoid leaks */
- if (fail == 1 || child == NULL ||
- ec_node_seq_add(&node->gen, child) < 0) {
- fail = 1;
- ec_node_free(child);
+ if (ec_config_list_add(children, ec_config_node(child)) < 0) {
+ child = NULL;
+ goto fail_free_children;
}
}
- if (fail == 1)
+ 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 children */
+ 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_seq_testcase(void)
{
- struct ec_node *node;
- int ret = 0;
+ struct ec_node *node = NULL;
+ int testres = 0;
- node = EC_NODE_SEQ(NULL,
- ec_node_str(NULL, "foo"),
- ec_node_str(NULL, "bar")
+ node = EC_NODE_SEQ(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");
+ EC_LOG(EC_LOG_ERR, "cannot create node\n");
return -1;
}
- ret |= EC_TEST_CHECK_PARSE(node, 2, "foo", "bar");
- ret |= EC_TEST_CHECK_PARSE(node, 2, "foo", "bar", "toto");
- ret |= EC_TEST_CHECK_PARSE(node, -1, "foo");
- ret |= EC_TEST_CHECK_PARSE(node, -1, "foox", "bar");
- ret |= EC_TEST_CHECK_PARSE(node, -1, "foo", "barx");
- ret |= EC_TEST_CHECK_PARSE(node, -1, "bar", "foo");
- ret |= EC_TEST_CHECK_PARSE(node, -1, "", "foo");
+ testres |= EC_TEST_CHECK_PARSE(node, 2, "foo", "bar");
+ testres |= EC_TEST_CHECK_PARSE(node, 2, "foo", "bar", "toto");
+ testres |= EC_TEST_CHECK_PARSE(node, -1, "foo");
+ testres |= EC_TEST_CHECK_PARSE(node, -1, "foox", "bar");
+ testres |= EC_TEST_CHECK_PARSE(node, -1, "foo", "barx");
+ testres |= EC_TEST_CHECK_PARSE(node, -1, "bar", "foo");
+ testres |= EC_TEST_CHECK_PARSE(node, -1, "", "foo");
+
+ testres |= (ec_node_seq_add(node, ec_node_str(EC_NO_ID, "grr")) < 0);
+ testres |= EC_TEST_CHECK_PARSE(node, 3, "foo", "bar", "grr");
+
ec_node_free(node);
/* test completion */
- node = EC_NODE_SEQ(NULL,
- ec_node_str(NULL, "foo"),
- ec_node_option(NULL, ec_node_str(NULL, "toto")),
- ec_node_str(NULL, "bar")
+ node = EC_NODE_SEQ(EC_NO_ID,
+ ec_node_str(EC_NO_ID, "foo"),
+ ec_node_option(EC_NO_ID, ec_node_str(EC_NO_ID, "toto")),
+ ec_node_str(EC_NO_ID, "bar")
);
if (node == NULL) {
- ec_log(EC_LOG_ERR, "cannot create node\n");
+ EC_LOG(EC_LOG_ERR, "cannot create node\n");
return -1;
}
- ret |= EC_TEST_CHECK_COMPLETE(node,
+ testres |= EC_TEST_CHECK_COMPLETE(node,
"", EC_NODE_ENDLIST,
- "foo", EC_NODE_ENDLIST,
- "foo");
- ret |= EC_TEST_CHECK_COMPLETE(node,
+ "foo", EC_NODE_ENDLIST);
+ testres |= EC_TEST_CHECK_COMPLETE(node,
"f", EC_NODE_ENDLIST,
- "oo", EC_NODE_ENDLIST,
- "oo");
- ret |= EC_TEST_CHECK_COMPLETE(node,
+ "foo", EC_NODE_ENDLIST);
+ testres |= EC_TEST_CHECK_COMPLETE(node,
"foo", EC_NODE_ENDLIST,
- "", EC_NODE_ENDLIST,
- "");
- ret |= EC_TEST_CHECK_COMPLETE(node,
+ "foo", EC_NODE_ENDLIST);
+ testres |= EC_TEST_CHECK_COMPLETE(node,
"foo", "", EC_NODE_ENDLIST,
- "bar", "toto", EC_NODE_ENDLIST,
- "");
- ret |= EC_TEST_CHECK_COMPLETE(node,
+ "bar", "toto", EC_NODE_ENDLIST);
+ testres |= EC_TEST_CHECK_COMPLETE(node,
"foo", "t", EC_NODE_ENDLIST,
- "oto", EC_NODE_ENDLIST,
- "oto");
- ret |= EC_TEST_CHECK_COMPLETE(node,
+ "toto", EC_NODE_ENDLIST);
+ testres |= EC_TEST_CHECK_COMPLETE(node,
"foo", "b", EC_NODE_ENDLIST,
- "ar", EC_NODE_ENDLIST,
- "ar");
- ret |= EC_TEST_CHECK_COMPLETE(node,
+ "bar", EC_NODE_ENDLIST);
+ testres |= EC_TEST_CHECK_COMPLETE(node,
"foo", "bar", EC_NODE_ENDLIST,
- "", EC_NODE_ENDLIST,
- "");
- ret |= EC_TEST_CHECK_COMPLETE(node,
+ "bar", EC_NODE_ENDLIST);
+ testres |= EC_TEST_CHECK_COMPLETE(node,
"x", EC_NODE_ENDLIST,
- EC_NODE_ENDLIST,
- "");
- ret |= EC_TEST_CHECK_COMPLETE(node,
+ EC_NODE_ENDLIST);
+ testres |= EC_TEST_CHECK_COMPLETE(node,
"foobarx", EC_NODE_ENDLIST,
- EC_NODE_ENDLIST,
- "");
+ EC_NODE_ENDLIST);
ec_node_free(node);
- return ret;
+ return testres;
}
/* LCOV_EXCL_STOP */