core: add hashtable_add_from_infolist to API

2 files changed, 96 insertions, 0 deletions

diff --git a/src/core/wee-hashtable.c b/src/core/wee-hashtable.c
index 15ebd14c4..d9f480c42 100644
--- a/src/core/wee-hashtable.c
+++ b/src/core/wee-hashtable.c
@@ -1062,6 +1062,8 @@ hashtable_add_to_infolist (struct t_hashtable *hashtable,
                                           hashtable_to_string (hashtable->type_keys,
                                                                ptr_item->key)))
                 return 0;
+            /* TODO: implement other key types */
+
             snprintf (option_name, sizeof (option_name),
                       "%s_value_%05d", prefix, item_number);
             switch (hashtable->type_values)
@@ -1102,6 +1104,96 @@ hashtable_add_to_infolist (struct t_hashtable *hashtable,
 }
 
 /*
+ * Adds hashtable keys and values from an infolist.
+ *
+ * Returns:
+ *   1: OK
+ *   0: error
+ */
+
+int
+hashtable_add_from_infolist (struct t_hashtable *hashtable,
+                             struct t_infolist *infolist,
+                             const char *prefix)
+{
+    struct t_infolist_item *infolist_item;
+    struct t_infolist_var *ptr_name, *ptr_value;
+    void *value;
+    char prefix_name[128], option_value[128];
+    int prefix_length;
+
+    if (!hashtable || !infolist || !prefix)
+        return 0;
+
+    infolist_item = infolist->ptr_item;
+    if (!infolist_item)
+        return 0;
+
+    if (hashtable->type_keys != HASHTABLE_STRING)
+        return 0;
+    /* TODO: implement other key types */
+
+    snprintf (prefix_name, sizeof (prefix_name),
+              "%s_name_", prefix);
+    prefix_length = strlen (prefix_name);
+
+    for (ptr_name = infolist_item->vars; ptr_name; ptr_name = ptr_name->next_var)
+    {
+        if (string_strncasecmp (ptr_name->name, prefix_name, prefix_length) == 0)
+        {
+            snprintf (option_value, sizeof (option_value),
+                      "%s_value_%s", prefix, ptr_name->name + prefix_length);
+
+            for (ptr_value = infolist_item->vars; ptr_value; ptr_value = ptr_value->next_var)
+            {
+                if (string_strcasecmp (ptr_value->name, option_value) == 0)
+                {
+                    switch (hashtable->type_values)
+                    {
+                        case HASHTABLE_INTEGER:
+                            if (ptr_value->type != INFOLIST_INTEGER)
+                                return 0;
+
+                            value = ptr_value->value;
+                            break;
+                        case HASHTABLE_STRING:
+                            if (ptr_value->type != INFOLIST_STRING)
+                                return 0;
+
+                            value = ptr_value->value;
+                            break;
+                        case HASHTABLE_POINTER:
+                            if (ptr_value->type != INFOLIST_POINTER)
+                                return 0;
+
+                            value = ptr_value->value;
+                            break;
+                        case HASHTABLE_BUFFER:
+                            if (ptr_value->type != INFOLIST_BUFFER)
+                                return 0;
+
+                            value = ptr_value->value; /* TODO: implement size */
+                            break;
+                        case HASHTABLE_TIME:
+                            if (ptr_value->type != INFOLIST_TIME)
+                                return 0;
+
+                            value = ptr_value->value;
+                            break;
+                        case HASHTABLE_NUM_TYPES:
+                            break;
+                    }
+                    hashtable_set (hashtable, ptr_name->value, value);
+                    break;
+                }
+            }
+        }
+    }
+
+    return 1;
+}
+
+/*
  * Removes an item from hashtable.
  */
 
diff --git a/src/core/wee-hashtable.h b/src/core/wee-hashtable.h
index 38706d7cb..2ea414574 100644
--- a/src/core/wee-hashtable.h
+++ b/src/core/wee-hashtable.h
@@ -22,6 +22,7 @@
 
 struct t_hashtable;
 struct t_infolist_item;
+struct t_infolist;
 
 typedef unsigned long long (t_hashtable_hash_key)(struct t_hashtable *hashtable,
                                                   const void *key);
@@ -149,6 +150,9 @@ extern void hashtable_set_pointer (struct t_hashtable *hashtable,
 extern int hashtable_add_to_infolist (struct t_hashtable *hashtable,
                                       struct t_infolist_item *infolist_item,
                                       const char *prefix);
+extern int hashtable_add_from_infolist (struct t_hashtable *hashtable,
+                                        struct t_infolist *infolist,
+                                        const char *prefix);
 extern void hashtable_remove (struct t_hashtable *hashtable, const void *key);
 extern void hashtable_remove_all (struct t_hashtable *hashtable);
 extern void hashtable_free (struct t_hashtable *hashtable);