renamed old config_node_index() to config_node_nth(). added new

config_node_index() function. added config_node_section_index() for
adding/moving node to specified position in list.


git-svn-id: http://svn.irssi.org/repos/irssi/trunk@2460 dbcabf3a-b0e7-0310-adc4-f8d773084564

3 files changed, 39 insertions, 5 deletions

diff --git a/src/lib-config/get.c b/src/lib-config/get.c
index 124d7101..e4c5cf07 100644
--- a/src/lib-config/get.c
+++ b/src/lib-config/get.c
@@ -42,7 +42,14 @@ CONFIG_NODE *config_node_find(CONFIG_NODE *node, const char *key)
    you can also specify in new_type if it's NODE_TYPE_LIST or NODE_TYPE_BLOCK */
 CONFIG_NODE *config_node_section(CONFIG_NODE *parent, const char *key, int new_type)
 {
+        return config_node_section_index(parent, key, -1, new_type);
+}
+
+CONFIG_NODE *config_node_section_index(CONFIG_NODE *parent, const char *key,
+				       int index, int new_type)
+{
 	CONFIG_NODE *node;
+        int nindex;
 
 	g_return_val_if_fail(parent != NULL, NULL);
 	g_return_val_if_fail(is_node_list(parent), NULL);
@@ -50,14 +57,22 @@ CONFIG_NODE *config_node_section(CONFIG_NODE *parent, const char *key, int new_t
 	node = key == NULL ? NULL : config_node_find(parent, key);
 	if (node != NULL) {
 		g_return_val_if_fail(new_type == -1 || new_type == node->type, NULL);
-                return node;
+		nindex = g_slist_index(parent->value, node);
+		if (index >= 0 && nindex != index &&
+		    nindex <= g_slist_length(parent->value)) {
+			/* move it to wanted position */
+			parent->value = g_slist_remove(parent->value, node);
+			parent->value = g_slist_insert(parent->value, node, index);
+		}
+		return node;
 	}
 
 	if (new_type == -1)
 		return NULL;
 
 	node = g_new0(CONFIG_NODE, 1);
-	parent->value = g_slist_append(parent->value, node);
+	parent->value = index < 0 ? g_slist_append(parent->value, node) :
+		g_slist_insert(parent->value, node, index);
 
 	node->type = new_type;
 	node->key = key == NULL ? NULL : g_strdup(key);
@@ -294,7 +309,7 @@ char **config_node_get_list(CONFIG_NODE *node)
 }
 
 /* Returns n'th node from list. */
-CONFIG_NODE *config_node_index(CONFIG_NODE *node, int index)
+CONFIG_NODE *config_node_nth(CONFIG_NODE *node, int index)
 {
 	GSList *tmp;
 
@@ -309,6 +324,21 @@ CONFIG_NODE *config_node_index(CONFIG_NODE *node, int index)
 	return NULL;
 }
 
+/* Returns index for given key */
+int config_node_index(CONFIG_NODE *parent, const char *key)
+{
+	CONFIG_NODE *node;
+
+	g_return_val_if_fail(parent != NULL, -1);
+	g_return_val_if_fail(key != NULL, -1);
+
+	node = config_node_find(parent, key);
+	if (node == NULL)
+		return -1;
+
+        return g_slist_index(parent->value, node);
+}
+
 /* Returns the first non-comment node in list */
 GSList *config_node_first(GSList *list)
 {
diff --git a/src/lib-config/iconfig.h b/src/lib-config/iconfig.h
index fc475f4e..7ef8d791 100644
--- a/src/lib-config/iconfig.h
+++ b/src/lib-config/iconfig.h
@@ -98,7 +98,9 @@ const char *config_list_find(CONFIG_REC *rec, const char *section, const char *k
 /* Like config_list_find(), but return node instead of it's value */
 CONFIG_NODE *config_list_find_node(CONFIG_REC *rec, const char *section, const char *key, const char *value, const char *value_key);
 /* Returns n'th node from list. */
-CONFIG_NODE *config_node_index(CONFIG_NODE *node, int index);
+CONFIG_NODE *config_node_nth(CONFIG_NODE *node, int index);
+/* Returns index for given key */
+int config_node_index(CONFIG_NODE *parent, const char *key);
 
 /* Returns the first non-comment node in list */
 GSList *config_node_first(GSList *list);
@@ -116,6 +118,8 @@ CONFIG_NODE *config_node_find(CONFIG_NODE *node, const char *key);
 /* Find the section from node - if not found create it unless new_type is -1.
    You can also specify in new_type if it's NODE_TYPE_LIST or NODE_TYPE_BLOCK */
 CONFIG_NODE *config_node_section(CONFIG_NODE *parent, const char *key, int new_type);
+CONFIG_NODE *config_node_section_index(CONFIG_NODE *parent, const char *key,
+				       int index, int new_type);
 /* Find the section with the whole path.
    Create the path if necessary `create' is TRUE. */
 CONFIG_NODE *config_node_traverse(CONFIG_REC *rec, const char *section, int create);
diff --git a/src/lib-config/set.c b/src/lib-config/set.c
index fdb358f9..6cfaa483 100644
--- a/src/lib-config/set.c
+++ b/src/lib-config/set.c
@@ -67,7 +67,7 @@ void config_node_list_remove(CONFIG_REC *rec, CONFIG_NODE *node, int index)
 	g_return_if_fail(node != NULL);
 	g_return_if_fail(is_node_list(node));
 
-	child = config_node_index(node, index);
+	child = config_node_nth(node, index);
 	if (child != NULL) config_node_remove(rec, node, child);
 }