+++ /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_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_config.h>
-#include <ecoli_node_many.h>
-
-EC_LOG_TYPE_REGISTER(node_many);
-
-struct ec_node_many {
- struct ec_node gen;
- unsigned int min;
- unsigned int max;
- struct ec_node *child;
-};
-
-static int ec_node_many_parse(const struct ec_node *gen_node,
- struct ec_parse *state,
- const struct ec_strvec *strvec)
-{
- struct ec_node_many *node = (struct ec_node_many *)gen_node;
- struct ec_parse *child_parse;
- struct ec_strvec *childvec = NULL;
- size_t off = 0, count;
- int ret;
-
- for (count = 0; node->max == 0 || count < node->max; count++) {
- childvec = ec_strvec_ndup(strvec, off,
- ec_strvec_len(strvec) - off);
- if (childvec == NULL)
- goto fail;
-
- ret = ec_node_parse_child(node->child, state, childvec);
- if (ret < 0)
- goto fail;
-
- ec_strvec_free(childvec);
- childvec = NULL;
-
- if (ret == EC_PARSE_NOMATCH)
- break;
-
- /* it matches an empty strvec, no need to continue */
- if (ret == 0) {
- child_parse = ec_parse_get_last_child(state);
- ec_parse_unlink_child(state, child_parse);
- ec_parse_free(child_parse);
- break;
- }
-
- off += ret;
- }
-
- if (count < node->min) {
- ec_parse_free_children(state);
- return EC_PARSE_NOMATCH;
- }
-
- return off;
-
-fail:
- ec_strvec_free(childvec);
- return -1;
-}
-
-static int
-__ec_node_many_complete(struct ec_node_many *node, unsigned int max,
- struct ec_comp *comp,
- const struct ec_strvec *strvec)
-{
- struct ec_parse *parse = ec_comp_get_state(comp);
- struct ec_strvec *childvec = NULL;
- unsigned int i;
- int ret;
-
- /* first, try to complete with the child node */
- ret = ec_node_complete_child(node->child, comp, strvec);
- if (ret < 0)
- goto fail;
-
- /* we're done, we reached the max number of nodes */
- if (max == 1)
- return 0;
-
- /* if there is a maximum, decrease it before recursion */
- if (max != 0)
- max--;
-
- /* then, if the node 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;
-
- ret = ec_node_parse_child(node->child, parse, childvec);
- if (ret < 0)
- goto fail;
-
- ec_strvec_free(childvec);
- childvec = 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_many_complete(node, max, comp, childvec);
- ec_parse_del_last_child(parse);
- ec_strvec_free(childvec);
- childvec = NULL;
-
- if (ret < 0)
- goto fail;
- }
-
- return 0;
-
-fail:
- ec_strvec_free(childvec);
- return -1;
-}
-
-static int
-ec_node_many_complete(const struct ec_node *gen_node,
- struct ec_comp *comp,
- const struct ec_strvec *strvec)
-{
- struct ec_node_many *node = (struct ec_node_many *)gen_node;
-
- return __ec_node_many_complete(node, node->max, comp,
- strvec);
-}
-
-static void ec_node_many_free_priv(struct ec_node *gen_node)
-{
- struct ec_node_many *node = (struct ec_node_many *)gen_node;
-
- ec_node_free(node->child);
-}
-
-static size_t
-ec_node_many_get_children_count(const struct ec_node *gen_node)
-{
- struct ec_node_many *node = (struct ec_node_many *)gen_node;
-
- if (node->child)
- return 1;
- return 0;
-}
-
-static int
-ec_node_many_get_child(const struct ec_node *gen_node, size_t i,
- struct ec_node **child, unsigned int *refs)
-{
- struct ec_node_many *node = (struct ec_node_many *)gen_node;
-
- if (i >= 1)
- return -1;
-
- *child = node->child;
- *refs = 2;
- return 0;
-}
-
-static const struct ec_config_schema ec_node_many_schema[] = {
- {
- .key = "child",
- .desc = "The child node.",
- .type = EC_CONFIG_TYPE_NODE,
- },
- {
- .key = "min",
- .desc = "The minimum number of matches (default = 0).",
- .type = EC_CONFIG_TYPE_UINT64,
- },
- {
- .key = "max",
- .desc = "The maximum number of matches. If 0, there is "
- "no maximum (default = 0).",
- .type = EC_CONFIG_TYPE_UINT64,
- },
- {
- .type = EC_CONFIG_TYPE_NONE,
- },
-};
-
-static int ec_node_many_set_config(struct ec_node *gen_node,
- const struct ec_config *config)
-{
- struct ec_node_many *node = (struct ec_node_many *)gen_node;
- const struct ec_config *child, *min, *max;
-
- child = ec_config_dict_get(config, "child");
- if (child == NULL)
- goto fail;
- if (ec_config_get_type(child) != EC_CONFIG_TYPE_NODE) {
- errno = EINVAL;
- goto fail;
- }
- min = ec_config_dict_get(config, "min");
- if (min != NULL && (ec_config_get_type(min) != EC_CONFIG_TYPE_UINT64 ||
- min->u64 >= UINT_MAX)) {
- errno = EINVAL;
- goto fail;
- }
- max = ec_config_dict_get(config, "max");
- if (max != NULL && (ec_config_get_type(max) != EC_CONFIG_TYPE_UINT64 ||
- max->u64 >= UINT_MAX)) {
- errno = EINVAL;
- goto fail;
- }
-
- if (node->child != NULL)
- ec_node_free(node->child);
- node->child = ec_node_clone(child->node);
- if (min == NULL)
- node->min = 0;
- else
- node->min = min->u64;
- if (max == NULL)
- node->max = 0;
- else
- node->max = max->u64;
-
- return 0;
-
-fail:
- return -1;
-}
-
-static struct ec_node_type ec_node_many_type = {
- .name = "many",
- .schema = ec_node_many_schema,
- .set_config = ec_node_many_set_config,
- .parse = ec_node_many_parse,
- .complete = ec_node_many_complete,
- .size = sizeof(struct ec_node_many),
- .free_priv = ec_node_many_free_priv,
- .get_children_count = ec_node_many_get_children_count,
- .get_child = ec_node_many_get_child,
-};
-
-EC_NODE_TYPE_REGISTER(ec_node_many_type);
-
-int
-ec_node_many_set_params(struct ec_node *gen_node, struct ec_node *child,
- unsigned int min, unsigned int max)
-{
- const struct ec_config *cur_config = NULL;
- struct ec_config *config = NULL;
- int ret;
-
- if (ec_node_check_type(gen_node, &ec_node_many_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;
-
- if (ec_config_dict_set(config, "child", ec_config_node(child)) < 0) {
- child = NULL; /* freed */
- goto fail;
- }
- child = NULL; /* freed */
-
- if (ec_config_dict_set(config, "min", ec_config_u64(min)) < 0)
- goto fail;
- if (ec_config_dict_set(config, "max", ec_config_u64(max)) < 0)
- 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_many(const char *id, struct ec_node *child,
- unsigned int min, unsigned int max)
-{
- struct ec_node *gen_node = NULL;
-
- if (child == NULL)
- return NULL;
-
- gen_node = ec_node_from_type(&ec_node_many_type, id);
- if (gen_node == NULL)
- goto fail;
-
- if (ec_node_many_set_params(gen_node, child, min, max) < 0) {
- child = NULL;
- goto fail;
- }
- child = NULL;
-
- return gen_node;
-
-fail:
- ec_node_free(child);
- return NULL;
-}
-
-/* LCOV_EXCL_START */
-static int ec_node_many_testcase(void)
-{
- struct ec_node *node;
- int testres = 0;
-
- node = ec_node_many(EC_NO_ID, ec_node_str(EC_NO_ID, "foo"), 0, 0);
- if (node == NULL) {
- EC_LOG(EC_LOG_ERR, "cannot create node\n");
- return -1;
- }
- testres |= EC_TEST_CHECK_PARSE(node, 0);
- testres |= EC_TEST_CHECK_PARSE(node, 0, "bar");
- testres |= EC_TEST_CHECK_PARSE(node, 1, "foo", "bar");
- testres |= EC_TEST_CHECK_PARSE(node, 2, "foo", "foo", "bar");
- testres |= EC_TEST_CHECK_PARSE(node, 0);
- ec_node_free(node);
-
- node = ec_node_many(EC_NO_ID, ec_node_str(EC_NO_ID, "foo"), 1, 0);
- if (node == NULL) {
- EC_LOG(EC_LOG_ERR, "cannot create node\n");
- return -1;
- }
- testres |= EC_TEST_CHECK_PARSE(node, -1, "bar");
- testres |= EC_TEST_CHECK_PARSE(node, 1, "foo", "bar");
- testres |= EC_TEST_CHECK_PARSE(node, 2, "foo", "foo", "bar");
- testres |= EC_TEST_CHECK_PARSE(node, -1);
- ec_node_free(node);
-
- node = ec_node_many(EC_NO_ID, ec_node_str(EC_NO_ID, "foo"), 1, 2);
- if (node == NULL) {
- EC_LOG(EC_LOG_ERR, "cannot create node\n");
- return -1;
- }
- testres |= EC_TEST_CHECK_PARSE(node, -1, "bar");
- testres |= EC_TEST_CHECK_PARSE(node, 1, "foo", "bar");
- testres |= EC_TEST_CHECK_PARSE(node, 2, "foo", "foo", "bar");
- testres |= EC_TEST_CHECK_PARSE(node, 2, "foo", "foo", "foo");
- testres |= EC_TEST_CHECK_PARSE(node, -1);
- ec_node_free(node);
-
- /* test completion */
- node = ec_node_many(EC_NO_ID, ec_node_str(EC_NO_ID, "foo"), 2, 4);
- if (node == NULL) {
- EC_LOG(EC_LOG_ERR, "cannot create node\n");
- return -1;
- }
- testres |= EC_TEST_CHECK_COMPLETE(node,
- "", EC_NODE_ENDLIST,
- "foo", EC_NODE_ENDLIST);
- testres |= EC_TEST_CHECK_COMPLETE(node,
- "f", EC_NODE_ENDLIST,
- "foo", EC_NODE_ENDLIST);
- testres |= EC_TEST_CHECK_COMPLETE(node,
- "foo", EC_NODE_ENDLIST,
- "foo", EC_NODE_ENDLIST);
- testres |= EC_TEST_CHECK_COMPLETE(node,
- "foo", "", EC_NODE_ENDLIST,
- "foo", EC_NODE_ENDLIST);
- testres |= EC_TEST_CHECK_COMPLETE(node,
- "foo", "foo", "", EC_NODE_ENDLIST,
- "foo", EC_NODE_ENDLIST);
- testres |= EC_TEST_CHECK_COMPLETE(node,
- "foo", "foo", "foo", "", EC_NODE_ENDLIST,
- "foo", EC_NODE_ENDLIST);
- testres |= EC_TEST_CHECK_COMPLETE(node,
- "foo", "foo", "foo", "foo", "", EC_NODE_ENDLIST,
- EC_NODE_ENDLIST);
- ec_node_free(node);
-
- return testres;
-}
-/* LCOV_EXCL_STOP */
-
-static struct ec_test ec_node_many_test = {
- .name = "node_many",
- .test = ec_node_many_testcase,
-};
-
-EC_TEST_REGISTER(ec_node_many_test);
git.droids-corp.org / protos / libecoli.git / blobdiff