Author: jmb
Date: Sun Jan 25 14:16:00 2009
New Revision: 6268
URL: http://source.netsurf-browser.org?rev=6268&view=rev
Log:
Destroy selectors
Modified:
trunk/libcss/src/stylesheet.c
Modified: trunk/libcss/src/stylesheet.c
URL:
http://source.netsurf-browser.org/trunk/libcss/src/stylesheet.c?rev=6268&r1=6267&r2=6268&view=diff
==============================================================================
--- trunk/libcss/src/stylesheet.c (original)
+++ trunk/libcss/src/stylesheet.c Sun Jan 25 14:16:00 2009
@@ -418,12 +418,24 @@
css_error css_stylesheet_selector_destroy(css_stylesheet *sheet,
css_selector *selector)
{
- UNUSED(sheet);
- UNUSED(selector);
-
- /** \todo Need to ensure that selector is removed from whatever it's
- * attached to (be that the parent selector, parent rule, or the
- * hashtable of selectors (or any combination of these) */
+ css_selector *c, *d;
+
+ if (sheet == NULL || selector == NULL)
+ return CSS_BADPARM;
+
+ /* Must not be attached to a rule */
+ if (selector->rule != NULL)
+ return CSS_INVALID;
+
+ /* Destroy combinator chain */
+ for (c = selector->combinator; c != NULL; c = d) {
+ d = c->combinator;
+
+ sheet->alloc(c, 0, sheet->pw);
+ }
+
+ /* Destroy this selector */
+ sheet->alloc(selector, 0, sheet->pw);
return CSS_OK;
}
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