function aggregator_element_start

Performs an action when an opening tag is encountered.

Callback function used by xml_parse() within aggregator_parse_feed().

File

modules/aggregator/aggregator.parser.inc, line 172

Code

function aggregator_element_start($parser, $name, $attributes) {
    global $item, $element, $tag, $items, $channel;
    $name = strtolower($name);
    switch ($name) {
        case 'image':
        case 'textinput':
        case 'summary':
        case 'tagline':
        case 'subtitle':
        case 'logo':
        case 'info':
            $element = $name;
            break;
        case 'id':
        case 'content':
            if ($element != 'item') {
                $element = $name;
            }
        case 'link':
            // According to RFC 4287, link elements in Atom feeds without a 'rel'
            // attribute should be interpreted as though the relation type is
            // "alternate".
            if (!empty($attributes['HREF']) && (empty($attributes['REL']) || $attributes['REL'] == 'alternate')) {
                if ($element == 'item') {
                    $items[$item]['link'] = $attributes['HREF'];
                }
                else {
                    $channel['link'] = $attributes['HREF'];
                }
            }
            break;
        case 'item':
            $element = $name;
            $item += 1;
            break;
        case 'entry':
            $element = 'item';
            $item += 1;
            break;
    }
    $tag = $name;
}