/** 
 * XML Security Library (http://www.aleksey.com/xmlsec).
 *
 * This is free software; see Copyright file in the source
 * distribution for preciese wording.
 * 
 * Copyright (C) 2002-2003 Aleksey Sanin <aleksey@aleksey.com>
 * Portion Copyright © 2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. 
 */
#include "xmlsec_config.h"
#ifndef XMLSEC_NO_X509
#include "xmlsec_globals.h"
 
#include <stdlib.h>
#include <stdio.h>
#include <string.h>

#include <libxml2_tree.h>
#include <libxml2_parser.h>

#include "xmlsec_xmlsec.h"
#include "xmlsec_buffer.h"
#include "xmlsec_xmltree.h"
#include "xmlsec_keys.h"
#include "xmlsec_keysmngr.h"
#include "xmlsec_transforms.h"
#include "xmlsec_keyinfo.h"
#include "xmlsec_x509.h"
#include "xmlsec_errors.h"

/**
 * xmlSecX509DataGetNodeContent:
 * @node:		the pointer to <dsig:X509Data/> node.
 * @deleteChildren:	the flag that indicates whether to remove node children after reading.
 * @keyInfoCtx:		the pointer to <dsig:KeyInfo/> node processing context.
 *
 * Reads the contents of <dsig:X509Data/> node and returns it as
 * a bits mask.
 *
 * Returns the bit mask representing the <dsig:X509Data/> node content
 * or a negative value if an error occurs.
 */
EXPORT_C
int
xmlSecX509DataGetNodeContent (xmlNodePtr node, int deleteChildren,
			    xmlSecKeyInfoCtxPtr keyInfoCtx) {
    xmlNodePtr cur, next;
    int deleteCurNode;
    int content = 0;

    xmlSecAssert2(node != NULL, 0);
    xmlSecAssert2(keyInfoCtx != NULL, -1);

    /* determine the current node content */
    cur = xmlSecGetNextElementNode(node->children); 
    while(cur != NULL) {
	deleteCurNode = 0;
	if(xmlSecCheckNodeName(cur, xmlSecNodeX509Certificate, xmlSecDSigNs)) {
	    if(xmlSecIsEmptyNode(cur) == 1) {
		content |= XMLSEC_X509DATA_CERTIFICATE_NODE;
		deleteCurNode = 1;
	    }
	} else if(xmlSecCheckNodeName(cur, xmlSecNodeX509SubjectName, xmlSecDSigNs)) {
	    if(xmlSecIsEmptyNode(cur) == 1) {
    	        content |= XMLSEC_X509DATA_SUBJECTNAME_NODE;
		deleteCurNode = 1;
	    }
	} else if(xmlSecCheckNodeName(cur, xmlSecNodeX509IssuerSerial, xmlSecDSigNs)) {
	    if(xmlSecIsEmptyNode(cur) == 1) {
		content |= XMLSEC_X509DATA_ISSUERSERIAL_NODE;
		deleteCurNode = 1;
	    }
	} else if(xmlSecCheckNodeName(cur, xmlSecNodeX509SKI, xmlSecDSigNs)) {
	    if(xmlSecIsEmptyNode(cur) == 1) {
		content |= XMLSEC_X509DATA_SKI_NODE;
		deleteCurNode = 1;
	    }
	} else if(xmlSecCheckNodeName(cur, xmlSecNodeX509CRL, xmlSecDSigNs)) {
	    if(xmlSecIsEmptyNode(cur) == 1) {
		content |= XMLSEC_X509DATA_CRL_NODE;
		deleteCurNode = 1;
	    }
	} else {
	}
	next = xmlSecGetNextElementNode(cur->next);
	if((deleteCurNode != 0) && (deleteChildren != 0)) {
	    /* remove "template" nodes */
	    xmlUnlinkNode(cur);
	    xmlFreeNode(cur);
	}
	cur = next;
    }

    return (content);
}

#endif /* XMLSEC_NO_X509 */