#include <ecoli_log.h>
#include <ecoli_strvec.h>
#include <ecoli_node.h>
-#include <ecoli_parsed.h>
-#include <ecoli_completed.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>
struct ec_node_or {
struct ec_node gen;
struct ec_node **table;
- unsigned int len;
+ size_t len;
};
static int
ec_node_or_parse(const struct ec_node *gen_node,
- struct ec_parsed *state,
+ struct ec_parse *state,
const struct ec_strvec *strvec)
{
struct ec_node_or *node = (struct ec_node_or *)gen_node;
for (i = 0; i < node->len; i++) {
ret = ec_node_parse_child(node->table[i], state, strvec);
- if (ret == EC_PARSED_NOMATCH)
+ if (ret == EC_PARSE_NOMATCH)
continue;
return ret;
}
- return EC_PARSED_NOMATCH;
+ return EC_PARSE_NOMATCH;
}
static int
ec_node_or_complete(const struct ec_node *gen_node,
- struct ec_completed *completed,
+ struct ec_comp *comp,
const struct ec_strvec *strvec)
{
struct ec_node_or *node = (struct ec_node_or *)gen_node;
for (n = 0; n < node->len; n++) {
ret = ec_node_complete_child(node->table[n],
- completed, strvec);
+ comp, strvec);
if (ret < 0)
return ret;
}
static void ec_node_or_free_priv(struct ec_node *gen_node)
{
struct ec_node_or *node = (struct ec_node_or *)gen_node;
- unsigned int i;
+ 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;
- struct ec_node **table;
-
- assert(node != NULL);
+ const struct ec_config *cur_config = NULL;
+ struct ec_config *config = NULL, *children;
+ int ret;
assert(node != NULL);
- if (child == NULL) {
- errno = EINVAL;
- goto fail;
- }
+ /* XXX factorize this code in a helper */
if (ec_node_check_type(gen_node, &ec_node_or_type) < 0)
goto fail;
- table = ec_realloc(node->table, (node->len + 1) * sizeof(*node->table));
- if (table == NULL)
+ 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;
- node->table = table;
+ 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_node_add_child(gen_node, child) < 0)
+ if (ec_config_list_add(children, ec_config_node(child)) < 0) {
+ child = NULL;
goto fail;
+ }
- table[node->len] = child;
- node->len++;
+ 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_or *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(&ec_node_or_type, id);
- node = (struct ec_node_or *)gen_node;
- if (node == NULL)
- fail = 1;;
+ gen_node = ec_node_from_type(&ec_node_or_type, id);
+ if (gen_node == NULL)
+ goto fail_free_children;
- for (child = va_arg(ap, struct ec_node *);
- child != EC_NODE_ENDLIST;
- child = va_arg(ap, struct ec_node *)) {
+ config = ec_config_dict();
+ if (config == NULL)
+ goto fail_free_children;
- /* on error, don't quit the loop to avoid leaks */
- if (fail == 1 || child == NULL ||
- ec_node_or_add(gen_node, child) < 0) {
- fail = 1;
- ec_node_free(child);
+ 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 (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;
}
git.droids-corp.org / protos / libecoli.git / blobdiff