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<?php
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/* $Id: parser_simplepie.module,v 1.5 2007/07/23 17:27:08 aronnovak Exp $ */
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/**
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* @file
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* Parse the incoming URL with SimplePie then provide a data structure of the feed
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*/
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/**
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* Implementation of hook_help().
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*/
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function parser_simplepie_help($section) {
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switch($section) {
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case 'admin/modules#description':
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return t('Provide a common syndication parser for FeedAPI-compatible modules powered by SimplePie library.');
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break;
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}
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}
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/**
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* Implementation of hook_feedapi_type().
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* Define the source types that this module is able to handle
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*
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* @return
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* The types
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*/
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function parser_simplepie_feedapi_type() {
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return array("XML feed");
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}
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/**
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* Implementation of hook_feedapi_compatible().
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*
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* @param $url
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* The feed's url
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* @return
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* a string - feed type if the parser is able to process it, FALSE if it's not compatible
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*/
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function parser_simplepie_feedapi_compatible($url) {
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include_once './'. drupal_get_path('module', 'parser_simplepie') .'/simplepie.inc';
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$feed = new SimplePie();
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$feed->enable_cache(FALSE);
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$feed->set_feed_url($url);
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if ($feed->init() == FALSE) {
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return FALSE;
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}
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else {
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return array_shift(parser_simplepie_feedapi_type());
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}
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}
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/**
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* Implementation of hook_feedapi_parse().
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* Uses SimplePie
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*
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* @param $url The feed's url
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* @return
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* The structured datas extracted from the feed
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*/
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function parser_simplepie_feedapi_parse($feed) {
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include_once './'. drupal_get_path('module', 'parser_simplepie') .'/simplepie.inc';
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$parser = new SimplePie();
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$parser->enable_cache(FALSE);
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$parser->set_feed_url($feed->url);
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$parser->set_timeout(15);
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// prevent SimplePie from using all of it's data santization since we use Drupal's input form
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$parser->set_stupidly_fast(TRUE);
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$parser->init();
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if ($parser->error) {
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return FALSE;
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}
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// Construct the standard form of the parsed feed
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$parsed_source = new stdClass();
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$parsed_source->title = $parser->get_title();
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$parsed_source->description = $parser->get_description();
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$parsed_source->options = new stdClass();
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$parsed_source->options->link = $parser->get_link();
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$parsed_source->items = array();
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$items_num = $parser->get_item_quantity();
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for ($i = 0; $i < $items_num; $i++) {
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$curr_item = new stdClass();
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$simplepie_item = $parser->get_item($i);
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$curr_item->title = $simplepie_item->get_title();
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$curr_item->description = $simplepie_item->get_content();
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$curr_item->options = new stdClass();
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$curr_item->options->link = $simplepie_item->get_link();
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// U = std. unix timestamp
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$curr_item->options->timestamp = $simplepie_item->get_date("U");
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$curr_item->options->guid = $simplepie_item->get_id();
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$curr_item->options->original_author = $simplepie_item->get_author();
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// Extract tags related to the item
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$simplepie_tags = $simplepie_item->get_categories();
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$tags = array();
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if (count($simplepie_tags) > 0) {
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foreach ($simplepie_tags as $tag) {
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$tags[] = (string) $tag->term;
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}
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}
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$curr_item->options->tags = $tags;
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$parsed_source->items[] = $curr_item;
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}
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return $parsed_source;
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}
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