Add path accessor util function.

1 files changed, 56 insertions, 25 deletions

diff --git a/src/plist.c b/src/plist.c
index 78ac07c..ed73d53 100644
--- a/src/plist.c
+++ b/src/plist.c
@@ -408,37 +408,36 @@ static char compare_node_value(plist_type type, plist_data_t data, const void *v
         return res;
 }
 
-static plist_t plist_find_node(plist_t plist, plist_type type, const void *value, uint64_t length)
-{
-        plist_t current = NULL;
-
-        if (!plist)
-                return NULL;
-
-        for (current = (plist_t)g_node_first_child(plist); current; current = (plist_t)g_node_next_sibling(current)) {
-
-                plist_data_t data = plist_get_data(current);
-
-                if (data->type == type && data->length == length && compare_node_value(type, data, value, length)) {
-                        return current;
+plist_t plist_access_pathv(plist_t plist, uint32_t length, va_list v)
+{
+        plist_t current = plist;
+        plist_type type = PLIST_NONE;
+        uint32_t i = 0;
+
+        for (i = 0; i < length && current; i++) {
+                type = plist_get_node_type(current);
+                
+                if (type == PLIST_ARRAY) {
+                        uint32_t index = va_arg(v, uint32_t);
+                        current = plist_array_get_item(current, index);
                 }
-                if (data->type == PLIST_DICT || data->type == PLIST_ARRAY) {
-                        plist_t sub = plist_find_node(current, type, value, length);
-                        if (sub)
-                                return sub;
+                else if (type == PLIST_DICT) {
+                        const char* key = va_arg(v, const char*);
+                        current = plist_dict_get_item(current, key);
                 }
         }
-        return NULL;
+        return current;
 }
 
-plist_t plist_find_node_by_key(plist_t plist, const char *value)
+plist_t plist_access_path(plist_t plist, uint32_t length, ...)
 {
-        return plist_find_node(plist, PLIST_KEY, value, strlen(value));
-}
-
-plist_t plist_find_node_by_string(plist_t plist, const char *value)
-{
-        return plist_find_node(plist, PLIST_STRING, value, strlen(value));
+        plist_t ret = NULL;
+        va_list v;
+ 
+        va_start(v, length);
+        ret = plist_access_pathv(plist, length, v);
+        va_end(v);
+        return ret;
 }
 
 static void plist_get_type_and_value(plist_t node, plist_type * type, void *value, uint64_t * length)
@@ -886,4 +885,36 @@ void plist_add_sub_date_el(plist_t node, int32_t sec, int32_t usec)
         plist_add_sub_element(node, PLIST_DATE, &val, sizeof(GTimeVal));
 }
 
+static plist_t plist_find_node(plist_t plist, plist_type type, const void *value, uint64_t length)
+{
+        plist_t current = NULL;
+
+        if (!plist)
+                return NULL;
+
+        for (current = (plist_t)g_node_first_child(plist); current; current = (plist_t)g_node_next_sibling(current)) {
+
+                plist_data_t data = plist_get_data(current);
+
+                if (data->type == type && data->length == length && compare_node_value(type, data, value, length)) {
+                        return current;
+                }
+                if (data->type == PLIST_DICT || data->type == PLIST_ARRAY) {
+                        plist_t sub = plist_find_node(current, type, value, length);
+                        if (sub)
+                                return sub;
+                }
+        }
+        return NULL;
+}
+
+plist_t plist_find_node_by_key(plist_t plist, const char *value)
+{
+        return plist_find_node(plist, PLIST_KEY, value, strlen(value));
+}
+
+plist_t plist_find_node_by_string(plist_t plist, const char *value)
+{
+        return plist_find_node(plist, PLIST_STRING, value, strlen(value));
+}