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/*
* Copyright © 2007 Red Hat, Inc. All rights reserved.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions of the
* GNU General Public License v.2. This program is distributed in the hope
* that it will be useful, but WITHOUT ANY WARRANTY expressed or implied,
* including the implied warranties 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, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. Any Red Hat
* trademarks that are incorporated in the source code or documentation are not
* subject to the GNU General Public License and may only be used or replicated
* with the express permission of Red Hat, Inc.
*
* Red Hat Author(s): Nathan Straz <nstraz@redhat.com>
*/
#include <libxml/tree.h>
#include <libxml/xpath.h>
#include <libxml/xpathInternals.h>
xmlXPathContextPtr
generate_context(xmlDocPtr doc, const char *defprefix)
{
xmlXPathContextPtr ctx;
xmlNodePtr root;
xmlNsPtr ns;
root = xmlDocGetRootElement(doc);
ctx = xmlXPathNewContext(doc);
for (ns = root->ns; ns; ns=ns->next) {
if (ns->href) {
if (ns->prefix) {
xmlXPathRegisterNs(ctx, ns->prefix, ns->href);
} else if (defprefix) {
xmlXPathRegisterNs(ctx, (xmlChar *)defprefix, ns->href);
} else {
fprintf(stderr, "WARNING: document uses default namespace, use -p option to specify a prefix\n");
}
}
}
return ctx;
}
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