<?php

/**

 * Parse OPML XML files and store in globals.

 *

 * @package WordPress

 * @subpackage Administration

 */

if ( ! defined('ABSPATH') )

	die();

global $opml, $map;

// columns we wish to find are: link_url, link_name, link_target, link_description

// we need to map XML attribute names to our columns

$opml_map = array('URL'         => 'link_url',

	'HTMLURL'     => 'link_url',

	'TEXT'        => 'link_name',

	'TITLE'       => 'link_name',

	'TARGET'      => 'link_target',

	'DESCRIPTION' => 'link_description',

	'XMLURL'      => 'link_rss'

);

$map = $opml_map;

/**

 * XML callback function for the start of a new XML tag.

 *

 * @since 0.71

 * @access private

 *

 * @uses $updated_timestamp Not used inside function.

 * @uses $all_links Not used inside function.

 * @uses $map Stores names of attributes to use.

 * @global array $names

 * @global array $urls

 * @global array $targets

 * @global array $descriptions

 * @global array $feeds

 *

 * @param mixed $parser XML Parser resource.

 * @param string $tagName XML element name.

 * @param array $attrs XML element attributes.

 */

function startElement($parser, $tagName, $attrs) {

	global $updated_timestamp, $all_links, $map;

	global $names, $urls, $targets, $descriptions, $feeds;

	if ($tagName == 'OUTLINE') {

		foreach (array_keys($map) as $key) {

			if (isset($attrs[$key])) {

				$$map[$key] = $attrs[$key];

			}

		}

		//echo("got data: link_url = [$link_url], link_name = [$link_name], link_target = [$link_target], link_description = [$link_description]<br />\n");

		// save the data away.

		$names[] = $link_name;

		$urls[] = $link_url;

		$targets[] = $link_target;

		$feeds[] = $link_rss;

		$descriptions[] = $link_description;

	} // end if outline

}

/**

 * XML callback function that is called at the end of a XML tag.

 *

 * @since 0.71

 * @access private

 * @package WordPress

 * @subpackage Dummy

 *

 * @param mixed $parser XML Parser resource.

 * @param string $tagName XML tag name.

 */

function endElement($parser, $tagName) {

	// nothing to do.

}

// Create an XML parser

$xml_parser = xml_parser_create();

// Set the functions to handle opening and closing tags

xml_set_element_handler($xml_parser, "startElement", "endElement");

if (!xml_parse($xml_parser, $opml, true)) {

	echo(sprintf(__('XML error: %1$s at line %2$s'),

	xml_error_string(xml_get_error_code($xml_parser)),

	xml_get_current_line_number($xml_parser)));

}

// Free up memory used by the XML parser

xml_parser_free($xml_parser);