From dec2d7fa17ae1e8b3d1dec8e396d057757baf4f3 Mon Sep 17 00:00:00 2001 From: Olivier Matz Date: Sun, 12 Aug 2018 14:57:39 +0200 Subject: [PATCH] support config in node_or --- lib/ecoli_node_or.c | 158 +++++++++++++++++++++++++++++++++++--------- 1 file changed, 128 insertions(+), 30 deletions(-) diff --git a/lib/ecoli_node_or.c b/lib/ecoli_node_or.c index bbb8ad5..2bf8fc7 100644 --- a/lib/ecoli_node_or.c +++ b/lib/ecoli_node_or.c @@ -15,6 +15,9 @@ #include #include #include +#include +#include +#include #include #include #include @@ -24,7 +27,7 @@ EC_LOG_TYPE_REGISTER(node_or); struct ec_node_or { struct ec_node gen; struct ec_node **table; - unsigned int len; + size_t len; }; static int @@ -73,6 +76,58 @@ static void ec_node_or_free_priv(struct ec_node *gen_node) 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 @@ -92,12 +147,16 @@ ec_node_or_get_child(const struct ec_node *gen_node, size_t i, return -1; *child = node->table[i]; - *refs = 1; + /* 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), @@ -111,71 +170,110 @@ 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; + const struct ec_config *cur_config = NULL; + struct ec_config *config = NULL, *children; + int ret; assert(node != NULL); - assert(node != NULL); + /* XXX factorize this code in a helper */ - if (child == NULL) { - errno = EINVAL; + if (ec_node_check_type(gen_node, &ec_node_or_type) < 0) goto fail; - } - if (ec_node_check_type(gen_node, &ec_node_or_type) < 0) + 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; - table = ec_realloc(node->table, (node->len + 1) * sizeof(*node->table)); - if (table == NULL) + 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; + } - node->table = table; - 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_from_type(&ec_node_or_type, id); - node = (struct ec_node_or *)gen_node; - if (node == NULL) - fail = 1;; - - for (child = va_arg(ap, struct ec_node *); - child != EC_NODE_ENDLIST; - child = va_arg(ap, struct ec_node *)) { - - /* 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); + 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 (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; } -- 2.39.5