pua_xmpp/pidf.c

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/*
 * $Id: pidf.c 1666 2007-03-02 13:40:09Z anca_vamanu $
 *
 * pua_xmpp module - presence SIP - XMPP Gateway
 *
 * Copyright (C) 2007 Voice Sistem S.R.L.
 *
 * This file is part of Kamailio, a free SIP server.
 *
 * Kamailio 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; either version 2 of the License, or
 * (at your option) any later version
 *
 * Kamailio 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, write to the Free Software 
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * History:
 * --------
 *  2007-03-29  initial version (anca)
 */
/*! \file
 * \brief Kamailio presence gateway: SIP/SIMPLE -- XMPP
 */

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <libxml/parser.h>
#include "pidf.h"

xmlAttrPtr xmlNodeGetAttrByName(xmlNodePtr node, const char *name)
{
   xmlAttrPtr attr = node->properties;
   while (attr) {
      if (xmlStrcasecmp(attr->name, (unsigned char*)name) == 0)
         return attr;
      attr = attr->next;
   }
   return NULL;
}

char *xmlNodeGetAttrContentByName(xmlNodePtr node, const char *name)
{
   xmlAttrPtr attr = xmlNodeGetAttrByName(node, name);
   if (attr)
      return (char*)xmlNodeGetContent(attr->children);
   else
      return NULL;
}

xmlNodePtr xmlNodeGetChildByName(xmlNodePtr node, const char *name)
{
   xmlNodePtr cur = node->children;
   while (cur) {
      if (xmlStrcasecmp(cur->name, (unsigned char*)name) == 0)
         return cur;
      cur = cur->next;
   }
   return NULL;
}

xmlNodePtr xmlNodeGetNodeByName(xmlNodePtr node, const char *name,
                                             const char *ns)
{
   xmlNodePtr cur = node;
   while (cur) {
      xmlNodePtr match = NULL;
      if (xmlStrcasecmp(cur->name, (unsigned char*)name) == 0) {
         if (!ns || (cur->ns && xmlStrcasecmp(cur->ns->prefix,
                     (unsigned char*)ns) == 0))
            return cur;
      }
      match = xmlNodeGetNodeByName(cur->children, name, ns);
      if (match)
         return match;
      cur = cur->next;
   }
   return NULL;
}
xmlNodePtr xmlDocGetNodeByName(xmlDocPtr doc, const char *name, const char *ns)
{
   xmlNodePtr cur = doc->children;
   return xmlNodeGetNodeByName(cur, name, ns);
}

char *xmlNodeGetNodeContentByName(xmlNodePtr root, const char *name,
      const char *ns)
{
   xmlNodePtr node = xmlNodeGetNodeByName(root, name, ns);
   if (node)
      return (char*)xmlNodeGetContent(node->children);
   else
      return NULL;
}