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<?php
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/**
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* @file
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* Contains FeedsSyndicationParser and related classes.
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*/
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/**
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* Class definition for Common Syndication Parser.
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*
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* Parses RSS and Atom feeds.
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*/
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class FeedsSyndicationParser extends FeedsParser {
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/**
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* Implements FeedsParser::parse().
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*/
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public function parse(FeedsSource $source, FeedsFetcherResult $fetcher_result) {
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feeds_include_library('common_syndication_parser.inc', 'common_syndication_parser');
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$feed = common_syndication_parser_parse($fetcher_result->getRaw());
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$result = new FeedsParserResult();
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// Return an empty result object when feed is false.
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if (!$feed) {
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return $result;
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}
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$result->title = $feed['title'];
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$result->description = $feed['description'];
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$result->link = $feed['link'];
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if (is_array($feed['items'])) {
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foreach ($feed['items'] as $item) {
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if (isset($item['geolocations'])) {
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foreach ($item['geolocations'] as $k => $v) {
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$item['geolocations'][$k] = new FeedsGeoTermElement($v);
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}
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}
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$result->items[] = $item;
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}
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}
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return $result;
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}
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/**
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* Return mapping sources.
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*
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* At a future point, we could expose data type information here,
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* storage systems like Data module could use this information to store
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* parsed data automatically in fields with a correct field type.
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*/
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public function getMappingSources() {
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return array(
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'title' => array(
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'name' => t('Title'),
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'description' => t('Title of the feed item.'),
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),
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'description' => array(
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'name' => t('Description'),
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'description' => t('Description of the feed item.'),
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),
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'author_name' => array(
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'name' => t('Author name'),
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'description' => t('Name of the feed item\'s author.'),
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),
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'timestamp' => array(
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'name' => t('Published date'),
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'description' => t('Published date as UNIX time GMT of the feed item.'),
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),
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'url' => array(
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'name' => t('Item URL (link)'),
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'description' => t('URL of the feed item.'),
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),
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'guid' => array(
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'name' => t('Item GUID'),
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'description' => t('Global Unique Identifier of the feed item.'),
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),
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'tags' => array(
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'name' => t('Categories'),
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'description' => t('An array of categories that have been assigned to the feed item.'),
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),
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'geolocations' => array(
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'name' => t('Geo Locations'),
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'description' => t('An array of geographic locations with a name and a position.'),
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),
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'source:url' => array(
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'name' => t('Source: URL'),
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'description' => t('The URL of the RSS channel that the item came from.'),
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),
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'source:title' => array(
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'name' => t('Source: Title'),
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'description' => t('The title of the RSS channel that the item came from.'),
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),
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) + parent::getMappingSources();
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}
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/**
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* Overrides FeedsParser::providesSourceTitle().
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*
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* This parser supports retrieving a title from the source.
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*/
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public function providesSourceTitle() {
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return TRUE;
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}
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}
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