AuroraMiddleware/gtk
1
0
Fork 1
mirror of https://gitlab.gnome.org/GNOME/gtk.git synced 2025-01-03 17:21:11 +00:00
Code Issues Projects Releases Wiki Activity

cssmatcher: Rewrite nth-child matcher

Browse Source 
Instead of trying to be smart, be stupid but correct.

Fixes nth-child reftest.
This commit is contained in:
Benjamin Otte 2015-05-28 17:12:57 +02:00
parent 4847eff6c4
commit 59a7739fce
1 changed files with 12 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
gtk/gtkcssmatcher.c
View File

@ -356,27 +356,23 @@ gtk_css_matcher_node_nth_child (GtkCssNode *node,
int a,
int b)
{
while (b-- > 0)
{
if (node == NULL)
return FALSE;
int pos, x;
node = prev_node_func (node);
}
/* count nodes */
for (pos = 0; node != NULL; pos++)
node = prev_node_func (node);
/* solve pos = a * X + b
* and return TRUE if X is integer >= 0 */
x = pos - b;
if (a == 0)
return node == NULL;
else if (a == 1)
return TRUE;
return x == 0;
b = 0;
while (node)
{
b++;
node = prev_node_func (node);
}
if (x % a)
return FALSE;
return b % a == 0;
return x / a > 0;
}
static gboolean