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authorNathan Straz <nstraz@redhat.com>2008-08-04 14:28:14 -0400
committerNathan Straz <nstraz@redhat.com>2008-08-04 14:28:14 -0400
commite01f689aa62ec343670bfdea5235c919666d4aba (patch)
treebb253e3c4e3f360c27cd863a1ec70288e0d935b2 /gxp-int.c
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Initial check-in of gxpp, a grep-like tool for XML and XPath.
This includes the main program, man page, Makefile, and RPM spec.
Diffstat (limited to 'gxp-int.c')
-rw-r--r--gxp-int.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/gxp-int.c b/gxp-int.c
new file mode 100644
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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;
+}