int tree_remove(tree *t, void *key, int *pos)
{
void *data;
data = tree_find(t, key, t->cmp, t->data, pos);
if (!data)
return 0;
tree_remove_at_pos(t, *pos);
return 1;
}
static void
url_add (char *urltext, int len)
{
char *data;
int size;
if (!prefs.url_grabber)
return;
data = malloc (len + 1);
if (!data)
return;
memcpy (data, urltext, len);
data[len] = 0;
if (data[len - 1] == '.') /* chop trailing dot */
{
len--;
data[len] = 0;
}
if (data[len - 1] == ')') /* chop trailing ) */
data[len - 1] = 0;
if (url_find (data))
{
free (data);
return;
}
if (!url_tree)
url_tree = tree_new ((tree_cmp_func *)g_ascii_strcasecmp, NULL);
size = tree_size (url_tree);
/* 0 is unlimited */
if (prefs.url_grabber_limit > 0 && size >= prefs.url_grabber_limit)
{
/* the loop is necessary to handle having the limit lowered while
xchat is running */
size -= prefs.url_grabber_limit;
for(; size > 0; size--)
tree_remove_at_pos (url_tree, 0);
}
tree_append (url_tree, data);
fe_url_add (data);
}
static void
url_add (char *urltext, int len)
{
char *data;
int size;
/* we don't need any URLs if we have neither URL grabbing nor URL logging enabled */
if (!prefs.hex_url_grabber && !prefs.hex_url_logging)
{
return;
}
data = malloc (len + 1);
if (!data)
{
return;
}
memcpy (data, urltext, len);
data[len] = 0;
if (data[len - 1] == '.') /* chop trailing dot */
{
len--;
data[len] = 0;
}
/* chop trailing ) but only if there's no counterpart */
if (data[len - 1] == ')' && strchr (data, '(') == NULL)
{
data[len - 1] = 0;
}
if (prefs.hex_url_logging)
{
url_save_node (data);
}
/* the URL is saved already, only continue if we need the URL grabber too */
if (!prefs.hex_url_grabber)
{
free (data);
return;
}
if (!url_tree)
{
url_tree = tree_new ((tree_cmp_func *)strcasecmp, NULL);
url_btree = g_tree_new ((GCompareFunc)strcasecmp);
}
if (url_find (data))
{
free (data);
return;
}
size = tree_size (url_tree);
/* 0 is unlimited */
if (prefs.hex_url_grabber_limit > 0 && size >= prefs.hex_url_grabber_limit)
{
/* the loop is necessary to handle having the limit lowered while
HexChat is running */
size -= prefs.hex_url_grabber_limit;
for(; size > 0; size--)
{
char *pos;
pos = tree_remove_at_pos (url_tree, 0);
g_tree_remove (url_btree, pos);
free (pos);
}
}
tree_append (url_tree, data);
g_tree_insert (url_btree, data, GINT_TO_POINTER (tree_size (url_tree) - 1));
fe_url_add (data);
}
