-/*
- * 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 <stdarg.h>
#include <ecoli_test.h>
#include <ecoli_strvec.h>
#include <ecoli_node.h>
+#include <ecoli_parse.h>
+#include <ecoli_complete.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;
- unsigned int len;
+ size_t len;
};
-static struct ec_parsed *ec_node_seq_parse(const struct ec_node *gen_node,
- const struct ec_strvec *strvec)
+static int
+ec_node_seq_parse(const struct ec_node *gen_node,
+ struct ec_parse *state,
+ const struct ec_strvec *strvec)
{
struct ec_node_seq *node = (struct ec_node_seq *)gen_node;
- struct ec_parsed *parsed, *child_parsed;
- struct ec_strvec *match_strvec;
struct ec_strvec *childvec = NULL;
size_t len = 0;
unsigned int i;
-
- parsed = ec_parsed_new();
- if (parsed == NULL)
- goto fail;
+ int ret;
for (i = 0; i < node->len; i++) {
childvec = ec_strvec_ndup(strvec, len,
if (childvec == NULL)
goto fail;
- child_parsed = ec_node_parse_strvec(node->table[i], childvec);
- if (child_parsed == NULL)
+ ret = ec_node_parse_child(node->table[i], state, childvec);
+ if (ret < 0)
goto fail;
ec_strvec_free(childvec);
childvec = NULL;
- if (!ec_parsed_matches(child_parsed)) {
- ec_parsed_free(child_parsed);
- // XXX ec_parsed_free_children needed? see subset.c
- ec_parsed_free_children(parsed);
- return parsed;
+ if (ret == EC_PARSE_NOMATCH) {
+ ec_parse_free_children(state);
+ return EC_PARSE_NOMATCH;
}
- ec_parsed_add_child(parsed, child_parsed);
- len += ec_parsed_len(child_parsed);
+ len += ret;
}
- match_strvec = ec_strvec_ndup(strvec, 0, len);
- if (match_strvec == NULL)
- goto fail;
-
- ec_parsed_set_match(parsed, gen_node, match_strvec);
-
- return parsed;
+ return len;
fail:
ec_strvec_free(childvec);
- ec_parsed_free(parsed);
- return NULL;
+ return -1;
}
-static struct ec_completed *ec_node_seq_complete(const struct ec_node *gen_node,
- const struct ec_strvec *strvec)
+static int
+__ec_node_seq_complete(struct ec_node **table, size_t table_len,
+ struct ec_comp *comp,
+ const struct ec_strvec *strvec)
{
- struct ec_node_seq *node = (struct ec_node_seq *)gen_node;
- struct ec_completed *completed, *child_completed;
+ struct ec_parse *parse = ec_comp_get_state(comp);
struct ec_strvec *childvec = NULL;
- struct ec_parsed *parsed;
- size_t len = 0;
unsigned int i;
+ int ret;
+
+ if (table_len == 0)
+ return 0;
+
+ /*
+ * Example of completion for a sequence node = [n1,n2] and an
+ * input = [a,b,c,d]:
+ *
+ * result = complete(n1, [a,b,c,d]) +
+ * complete(n2, [b,c,d]) if n1 matches [a] +
+ * complete(n2, [c,d]) if n1 matches [a,b] +
+ * complete(n2, [d]) if n1 matches [a,b,c] +
+ * complete(n2, []) if n1 matches [a,b,c,d]
+ */
+
+ /* first, try to complete with the first node of the table */
+ ret = ec_node_complete_child(table[0], comp, strvec);
+ if (ret < 0)
+ goto fail;
- completed = ec_completed_new();
- if (completed == NULL)
- return NULL;
-
- if (node->len == 0)
- return completed;
-
- for (i = 0; i < node->len && len < ec_strvec_len(strvec); i++) {
- childvec = ec_strvec_ndup(strvec, len,
- ec_strvec_len(strvec) - len);
+ /* 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++) {
+ childvec = ec_strvec_ndup(strvec, 0, i);
if (childvec == NULL)
goto fail;
- child_completed = ec_node_complete_strvec(node->table[i],
- childvec);
- if (child_completed == NULL)
+ ret = ec_node_parse_child(table[0], parse, childvec);
+ if (ret < 0)
goto fail;
- ec_completed_merge(completed, child_completed);
+ ec_strvec_free(childvec);
+ childvec = NULL;
- parsed = ec_node_parse_strvec(node->table[i], childvec);
- if (parsed == NULL)
+ if ((unsigned int)ret != i) {
+ 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_parse_del_last_child(parse);
goto fail;
+ }
+ 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 (!ec_parsed_matches(parsed)) {
- ec_parsed_free(parsed);
- break;
- }
-
- len += ec_strvec_len(parsed->strvec);
- ec_parsed_free(parsed);
+ if (ret < 0)
+ goto fail;
}
- return completed;
+ return 0;
fail:
ec_strvec_free(childvec);
- ec_completed_free(completed);
- return NULL;
+ return -1;
+}
+
+static int
+ec_node_seq_complete(const struct ec_node *gen_node,
+ 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, comp,
+ strvec);
}
static void ec_node_seq_free_priv(struct ec_node *gen_node)
{
struct ec_node_seq *node = (struct ec_node_seq *)gen_node;
- unsigned int i;
- for (i = 0; i < node->len; i++)
- ec_node_free(node->table[i]);
ec_free(node->table);
}
+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 struct ec_node *
+ec_node_seq_get_child(const struct ec_node *gen_node, size_t i)
+{
+ struct ec_node_seq *node = (struct ec_node_seq *)gen_node;
+
+ if (i >= node->len)
+ return NULL;
+
+ return node->table[i];
+}
+
static struct ec_node_type ec_node_seq_type = {
.name = "seq",
.parse = ec_node_seq_parse,
.complete = ec_node_seq_complete,
.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);
struct ec_node_seq *node = (struct ec_node_seq *)gen_node;
struct ec_node **table;
- // XXX check node type
-
assert(node != NULL);
- if (child == NULL)
- return -EINVAL;
+ if (child == NULL) {
+ errno = EINVAL;
+ goto fail;
+ }
- 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;
- }
+ if (table == NULL)
+ goto fail;
node->table = table;
table[node->len] = child;
node->len++;
- child->parent = gen_node;
- TAILQ_INSERT_TAIL(&gen_node->children, child, next); // XXX really needed?
-
return 0;
+
+fail:
+ ec_node_free(child);
+ return -1;
}
struct ec_node *__ec_node_seq(const char *id, ...)
va_start(ap, id);
- gen_node = __ec_node_new(&ec_node_seq_type, id);
+ gen_node = __ec_node(&ec_node_seq_type, id);
node = (struct ec_node_seq *)gen_node;
if (node == NULL)
fail = 1;;
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");
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 */
static struct ec_test ec_node_seq_test = {
.name = "node_seq",