72 lines
1.9 KiB
C
72 lines
1.9 KiB
C
/*
|
|
* 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 "css/internal.h"
|
|
|
|
#include "utils/url.h"
|
|
|
|
/**
|
|
* URL resolution callback for libcss
|
|
*
|
|
* \param pw Resolution context
|
|
* \param ctx Dictionary to intern result in
|
|
* \param base Base URI
|
|
* \param rel Relative URL
|
|
* \param abs Pointer to location to receive resolved URL
|
|
* \return CSS_OK on success,
|
|
* CSS_NOMEM on memory exhaustion,
|
|
* CSS_INVALID if resolution failed.
|
|
*/
|
|
css_error nscss_resolve_url(void *pw, lwc_context *ctx,
|
|
const char *base, lwc_string *rel, lwc_string **abs)
|
|
{
|
|
lwc_error lerror;
|
|
char *abs_url, *norm_url;
|
|
url_func_result res;
|
|
|
|
/* Resolve URI */
|
|
res = url_join(lwc_string_data(rel), base, &abs_url);
|
|
if (res != URL_FUNC_OK) {
|
|
return res == URL_FUNC_NOMEM ? CSS_NOMEM : CSS_INVALID;
|
|
}
|
|
|
|
/* Normalise it */
|
|
res = url_normalize(abs_url, &norm_url);
|
|
if (res != URL_FUNC_OK) {
|
|
free(abs_url);
|
|
return res == URL_FUNC_NOMEM ? CSS_NOMEM : CSS_INVALID;
|
|
}
|
|
|
|
free(abs_url);
|
|
|
|
/* Intern it */
|
|
lerror = lwc_context_intern(ctx, norm_url, strlen(norm_url), abs);
|
|
if (lerror != lwc_error_ok) {
|
|
*abs = NULL;
|
|
free(norm_url);
|
|
return lerror == lwc_error_oom ? CSS_NOMEM : CSS_INVALID;
|
|
}
|
|
|
|
free(norm_url);
|
|
|
|
return CSS_OK;
|
|
}
|
|
|