csu3_am335x/EVSE/GPL/plc-utils.LNX.2.1.20/source/nodes/xmlselect.c

/*====================================================================*
 *
 *   char const * xmlselect (struct node const * node, char const * element, char const * attribute);
 *
 *   node.h
 *   
 *   search node for the named element and attribute and return the
 *   attribute value; 
 *   
 *   if the attribute argument is null or nil then return the element
 *   content string;
 *   
 *   if the element does not exist or the attribute does not exist 
 *   for that element or the attribute has no value then an empty 
 *   string is returned;
 *
 *   Motley Tools by Charles Maier <cmaier@cmassoc.net>;
 *   Copyright (c) 2001-2006 by Charles Maier Associates;
 *   Licensed under the Internet Software Consortium License;
 *   
 *--------------------------------------------------------------------*/

#ifndef XMLSELECT_SOURCE
#define XMLSELECT_SOURCE

#include <string.h>

#include "../nodes/node.h"

char const * xmlselect (struct node const * node, char const * element, char const * attribute) 

{ 
	node = xmlelement (node, element); 
	if ((attribute) && (* attribute)) 
	{ 
		node = xmlattribute (node, attribute); 
		node = xmlvalue (node); 
	} 
	else 
	{ 
		node = xmldata (node); 
	} 
	return (node? node->text: ""); 
} 

#endif