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/******************************************************************
* $Id: soap-xml.c,v 1.2 2004/02/03 08:07:36 snowdrop Exp $
*
* CSOAP Project: A SOAP client/server library in C
* Copyright (C) 2003 Ferhat Ayaz
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* Email: ayaz@jprogrammer.net
******************************************************************/
#include <libcsoap/soap-xml.h>
xmlNodePtr soap_xml_get_children(xmlNodePtr param)
{
xmlNodePtr children;
if (param == NULL) {
log_error1("Invalid parameter 'param' (null)");
return NULL;
}
children = param->xmlChildrenNode;
while (children != NULL) {
if (children->type != XML_ELEMENT_NODE)
children = children->next;
else break;
}
return children;
}
xmlNodePtr soap_xml_get_next(xmlNodePtr param)
{
xmlNodePtr node = param->next;
while (node != NULL) {
if (node->type != XML_ELEMENT_NODE)
node = node->next;
else break;
}
return node;
}
xmlXPathObjectPtr
soap_xpath_eval(xmlDocPtr doc, const char *xpath)
{
xmlXPathContextPtr context;
xmlXPathObjectPtr result;
context = xmlXPathNewContext(doc);
result = xmlXPathEvalExpression((xmlChar*)xpath, context);
if(xmlXPathNodeSetIsEmpty(result->nodesetval)){
/* no result */
return NULL;
}
xmlXPathFreeContext(context);
return result;
}
int
soap_xpath_foreach(xmlDocPtr doc, const char *xpath,
soap_xmlnode_callback cb)
{
int i = 0;
xmlNodeSetPtr nodeset;
xmlXPathObjectPtr xpathobj;
xpathobj = soap_xpath_eval(doc, xpath);
if (!xpathobj) return 0;
nodeset = xpathobj->nodesetval;
if (!nodeset) return 0;
for (i=0;i < nodeset->nodeNr; i++) {
if (!cb(nodeset->nodeTab[i]))
break;
}
xmlXPathFreeObject(nodeset);
return i;
}
void soap_xml_doc_print(xmlDocPtr doc)
{
xmlBufferPtr buffer;
xmlNodePtr root;
if (doc == NULL) {
puts("xmlDocPtr is NULL!");
return;
}
root = xmlDocGetRootElement(doc);
if (root == NULL) {
puts("Empty document!");
return;
}
buffer = xmlBufferCreate();
xmlNodeDump(buffer, doc, root, 1 ,1);
puts( (const char*)xmlBufferContent(buffer));
xmlBufferFree(buffer);
}
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