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-rw-r--r--content/handlers/css/internal.c63
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diff --git a/content/handlers/css/internal.c b/content/handlers/css/internal.c
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+/*
+ * Copyright 2009 John-Mark Bell <jmb@netsurf-browser.org>
+ *
+ * This file is part of NetSurf, http://www.netsurf-browser.org/
+ *
+ * NetSurf is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * NetSurf is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <string.h>
+#include <libcss/libcss.h>
+
+#include "utils/nsurl.h"
+
+#include "internal.h"
+
+/* exported interface documented in content/handlers/css/internal.h */
+css_error nscss_resolve_url(void *pw, const char *base,
+ lwc_string *rel, lwc_string **abs)
+{
+ lwc_error lerror;
+ nserror error;
+ nsurl *nsbase;
+ nsurl *nsabs;
+
+ /* Create nsurl from base */
+ /* TODO: avoid this */
+ error = nsurl_create(base, &nsbase);
+ if (error != NSERROR_OK) {
+ return error == NSERROR_NOMEM ? CSS_NOMEM : CSS_INVALID;
+ }
+
+ /* Resolve URI */
+ error = nsurl_join(nsbase, lwc_string_data(rel), &nsabs);
+ if (error != NSERROR_OK) {
+ nsurl_unref(nsbase);
+ return error == NSERROR_NOMEM ? CSS_NOMEM : CSS_INVALID;
+ }
+
+ nsurl_unref(nsbase);
+
+ /* Intern it */
+ lerror = lwc_intern_string(nsurl_access(nsabs),
+ nsurl_length(nsabs), abs);
+ if (lerror != lwc_error_ok) {
+ *abs = NULL;
+ nsurl_unref(nsabs);
+ return lerror == lwc_error_oom ? CSS_NOMEM : CSS_INVALID;
+ }
+
+ nsurl_unref(nsabs);
+
+ return CSS_OK;
+}