modules/feed/feed.theme

<?
/**
 *  Themeable functions for the feed module 
 * 
 * IMPORTANT NOTE: 
 * Style functions output XSLT, not HTML. XSLT is a different language and can be quite tricky, so it may be 
 * good to do a bit of research into how it works before you change too many things. 
 * 
 * 
 */


/**
 * Render a RSS feed.
 * @param array $items An array of items formatted using format_rss_item
 * @param array $extra_namespaces An array of namespaces beyond the default that will apply to this feed
 */
function theme_rss($items,$channel=array(),$extra_namespaces=array(),$xsl_stylesheet=NULL) {
 global $base_url,$base_path, $locale;

 $namespaces = array('xmlns:dc="http://purl.org/dc/elements/1.1/"') + $extra_namespaces;
 $title=variable_get('site_name', 'Drupal');
 if ($slogan= variable_get('site_slogan', '')) { 
     $title.= ' - '.$slogan;
 }
 
 $channel_defaults = array(
    'version'     => '2.0',
    'title'       => $title ,
    'link'        => $base_url,
    'description' => variable_get('site_mission', ''),
    'language'    => $locale
  );
  $channel = array_merge($channel_defaults, $channel);

  // By default, we use the processed xsl template available at /feed.xsl 
  // we pass through the path to the current feed so that we can modify the template based on the feed that was requested
  $xsl_stylesheet or $xsl_stylesheet=url("feed.xsl","feedpath=".urlencode($_GET[q]));

  $output = "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n";
  $output.= "<?xml-stylesheet title=\"XSL_formatting\" type=\"text/xsl\" href=\"$xsl_stylesheet\"?>";
  $output .= "<rss version=\"". $channel["version"] . "\" xml:base=\"". $base_url ."\" ". implode(' ', $namespaces) .">\n";
  $output .= format_rss_channel($channel['title'], $channel['link'], $channel['description'], $items, $channel['language']);
  $output .= "</rss>\n";

  return $output;
}

/**
 * Create an XSLT stylesheet for an rss feed
 * Overrride this and replace it with a template callback to use your own XSL 
 */
function theme_xslt_rss($variables=array()){
	extract($variables, EXTR_SKIP);  // Extract the variables to a local namespace
    ob_start();                      // Start output buffering
    include "feed_rss.xsl";         // Include the file
    $contents = ob_get_contents();   // Get the contents of the buffer
    ob_end_clean();                  // End buffering and discard
    return $contents;                // Return the contents
}


?>
1	<?
2	/**
3	* Themeable functions for the feed module
4	*
5	* IMPORTANT NOTE:
6	* Style functions output XSLT, not HTML. XSLT is a different language and can be quite tricky, so it may be
7	* good to do a bit of research into how it works before you change too many things.
8	*
9	*
10	*/
11
12
13	/**
14	* Render a RSS feed.
15	* @param array $items An array of items formatted using format_rss_item
16	* @param array $extra_namespaces An array of namespaces beyond the default that will apply to this feed
17	*/
18	function theme_rss($items,$channel=array(),$extra_namespaces=array(),$xsl_stylesheet=NULL) {
19	global $base_url,$base_path, $locale;
20
21	$namespaces = array('xmlns:dc="http://purl.org/dc/elements/1.1/"') + $extra_namespaces;
22	$title=variable_get('site_name', 'Drupal');
23	if ($slogan= variable_get('site_slogan', '')) {
24	$title.= ' - '.$slogan;
25	}
26
27	$channel_defaults = array(
28	'version' => '2.0',
29	'title' => $title ,
30	'link' => $base_url,
31	'description' => variable_get('site_mission', ''),
32	'language' => $locale
33	);
34	$channel = array_merge($channel_defaults, $channel);
35
36	// By default, we use the processed xsl template available at /feed.xsl
37	// we pass through the path to the current feed so that we can modify the template based on the feed that was requested
38	$xsl_stylesheet or $xsl_stylesheet=url("feed.xsl","feedpath=".urlencode($_GET[q]));
39
40	$output = "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n";
41	$output.= "<?xml-stylesheet title=\"XSL_formatting\" type=\"text/xsl\" href=\"$xsl_stylesheet\"?>";
42	$output .= "<rss version=\"". $channel["version"] . "\" xml:base=\"". $base_url ."\" ". implode(' ', $namespaces) .">\n";
43	$output .= format_rss_channel($channel['title'], $channel['link'], $channel['description'], $items, $channel['language']);
44	$output .= "</rss>\n";
45
46	return $output;
47	}
48
49	/**
50	* Create an XSLT stylesheet for an rss feed
51	* Overrride this and replace it with a template callback to use your own XSL
52	*/
53	function theme_xslt_rss($variables=array()){
54	extract($variables, EXTR_SKIP); // Extract the variables to a local namespace
55	ob_start(); // Start output buffering
56	include "feed_rss.xsl"; // Include the file
57	$contents = ob_get_contents(); // Get the contents of the buffer
58	ob_end_clean(); // End buffering and discard
59	return $contents; // Return the contents
60	}
61
62
63	?>