/**
* g_hash_table_replace:
* @hash_table: a #GHashTable.
* @key: a key to insert.
* @value: the value to associate with the key.
*
* Inserts a new key and value into a #GHashTable similar to
* g_hash_table_insert(). The difference is that if the key already exists
* in the #GHashTable, it gets replaced by the new key. If you supplied a
* @value_destroy_func when creating the #GHashTable, the old value is freed
* using that function. If you supplied a @key_destroy_func when creating the
* #GHashTable, the old key is freed using that function.
**/
void
g_hash_table_replace (GHashTable *hash_table,
gpointer key,
gpointer value)
{
GHashNode **node;
g_return_if_fail (hash_table != NULL);
node = g_hash_table_lookup_node (hash_table, key);
if (*node)
{
if (hash_table->key_destroy_func)
hash_table->key_destroy_func ((*node)->key);
if (hash_table->value_destroy_func)
hash_table->value_destroy_func ((*node)->value);
(*node)->key = key;
(*node)->value = value;
}
else
{
*node = g_hash_node_new (key, value);
hash_table->nnodes++;
G_HASH_TABLE_RESIZE (hash_table);
}
}
/**
* g_hash_table_remove:
* @hash_table: a #GHashTable.
* @key: the key to remove.
*
* Removes a key and its associated value from a #GHashTable.
*
* If the #GHashTable was created using g_hash_table_new_full(), the
* key and value are freed using the supplied destroy functions, otherwise
* you have to make sure that any dynamically allocated values are freed
* yourself.
*
* Return value: %TRUE if the key was found and removed from the #GHashTable.
**/
gboolean
g_hash_table_remove (GHashTable *hash_table,
gconstpointer key)
{
GHashNode **node, *dest;
g_return_val_if_fail (hash_table != NULL, FALSE);
node = g_hash_table_lookup_node (hash_table, key);
if (*node)
{
dest = *node;
(*node) = dest->next;
g_hash_node_destroy (dest,
hash_table->key_destroy_func,
hash_table->value_destroy_func);
hash_table->nnodes--;
G_HASH_TABLE_RESIZE (hash_table);
return TRUE;
}
return FALSE;
}
/**
* g_hash_table_insert:
* @hash_table: a #GHashTable.
* @key: a key to insert.
* @value: the value to associate with the key.
*
* Inserts a new key and value into a #GHashTable.
*
* If the key already exists in the #GHashTable its current value is replaced
* with the new value. If you supplied a @value_destroy_func when creating the
* #GHashTable, the old value is freed using that function. If you supplied
* a @key_destroy_func when creating the #GHashTable, the passed key is freed
* using that function.
**/
void
g_hash_table_insert (GHashTable *hash_table,
gpointer key,
gpointer value)
{
GHashNode **node;
g_return_if_fail (hash_table != NULL);
node = g_hash_table_lookup_node (hash_table, key);
if (*node)
{
/* do not reset node->key in this place, keeping
* the old key is the intended behaviour.
* g_hash_table_replace() can be used instead.
*/
/* free the passed key */
if (hash_table->key_destroy_func)
hash_table->key_destroy_func (key);
if (hash_table->value_destroy_func)
hash_table->value_destroy_func ((*node)->value);
(*node)->value = value;
}
else
{
*node = g_hash_node_new (key, value);
hash_table->nnodes++;
G_HASH_TABLE_RESIZE (hash_table);
}
}
/**
* g_hash_table_replace:
* @hash_table: a #GHashTable.
* @key: a key to insert.
* @value: the value to associate with the key.
*
* Inserts a new key and value into a #GHashTable similar to
* g_hash_table_insert(). The difference is that if the key already exists
* in the #GHashTable, it gets replaced by the new key. If you supplied a
* @value_destroy_func when creating the #GHashTable, the old value is freed
* using that function. If you supplied a @key_destroy_func when creating the
* #GHashTable, the old key is freed using that function.
**/
void
mono_g_hash_table_replace (MonoGHashTable *hash_table,
gpointer key,
gpointer value)
{
MonoGHashNode **node;
g_return_if_fail (hash_table != NULL);
node = g_hash_table_lookup_node (hash_table, key);
if (*node)
{
if (hash_table->key_destroy_func)
hash_table->key_destroy_func ((*node)->key);
if (hash_table->value_destroy_func)
hash_table->value_destroy_func ((*node)->value);
SET_NODE_KEY ((*node), hash_table->gc_type, key);
SET_NODE_VALUE ((*node), hash_table->gc_type, value);
}
else
{
*node = g_hash_node_new (key, value, hash_table->gc_type);
hash_table->nnodes++;
G_HASH_TABLE_RESIZE (hash_table);
}
}
static guint
g_hash_table_foreach_remove_or_steal (GHashTable *hash_table,
GHRFunc func,
gpointer user_data,
gboolean notify)
{
GHashNode *node, *prev;
guint i;
guint deleted = 0;
for (i = 0; i < hash_table->size; i++)
{
restart:
prev = NULL;
for (node = hash_table->nodes[i]; node; prev = node, node = node->next)
{
if ((* func) (node->key, node->value, user_data))
{
deleted += 1;
hash_table->nnodes -= 1;
if (prev)
{
prev->next = node->next;
g_hash_node_destroy (node,
notify ? hash_table->key_destroy_func : NULL,
notify ? hash_table->value_destroy_func : NULL);
node = prev;
}
else
{
hash_table->nodes[i] = node->next;
g_hash_node_destroy (node,
notify ? hash_table->key_destroy_func : NULL,
notify ? hash_table->value_destroy_func : NULL);
goto restart;
}
}
}
}
G_HASH_TABLE_RESIZE (hash_table);
return deleted;
}
/**
* g_hash_table_steal_all:
* @hash_table: a #GHashTable.
*
* Removes all keys and their associated values from a #GHashTable
* without calling the key and value destroy functions.
*
* Since: 2.12
**/
void
g_hash_table_steal_all (GHashTable *hash_table)
{
guint i;
g_return_if_fail (hash_table != NULL);
for (i = 0; i < hash_table->size; i++)
{
g_hash_nodes_destroy (hash_table->nodes[i], NULL, NULL);
hash_table->nodes[i] = NULL;
}
hash_table->nnodes = 0;
G_HASH_TABLE_RESIZE (hash_table);
}
/**
* g_hash_table_remove_all:
* @hash_table: a #GHashTable
*
* Removes all keys and their associated values from a #GHashTable.
*
* If the #GHashTable was created using g_hash_table_new_full(), the keys
* and values are freed using the supplied destroy functions, otherwise you
* have to make sure that any dynamically allocated values are freed
* yourself.
*
* Since: 2.12
**/
void
g_hash_table_remove_all (GHashTable *hash_table)
{
guint i;
g_return_if_fail (hash_table != NULL);
for (i = 0; i < hash_table->size; i++)
{
g_hash_nodes_destroy (hash_table->nodes[i],
hash_table->key_destroy_func,
hash_table->value_destroy_func);
hash_table->nodes[i] = NULL;
}
hash_table->nnodes = 0;
G_HASH_TABLE_RESIZE (hash_table);
}
/**
* g_hash_table_steal:
* @hash_table: a #GHashTable.
* @key: the key to remove.
*
* Removes a key and its associated value from a #GHashTable without
* calling the key and value destroy functions.
*
* Return value: %TRUE if the key was found and removed from the #GHashTable.
**/
gboolean
mono_g_hash_table_steal (MonoGHashTable *hash_table,
gconstpointer key)
{
MonoGHashNode **node, *dest;
g_return_val_if_fail (hash_table != NULL, FALSE);
node = g_hash_table_lookup_node (hash_table, key);
if (*node)
{
dest = *node;
(*node) = dest->next;
g_hash_node_destroy (dest, hash_table->gc_type, NULL, NULL);
hash_table->nnodes--;
G_HASH_TABLE_RESIZE (hash_table);
return TRUE;
}
return FALSE;
}