Source of file Feed.php
Size: 3,650 Bytes - Last Modified: 2014-03-12T23:21:18+01:00
/home/theseer/Downloads/ZendFramework-2.3.0/library/Zend/Feed/Reader/Extension/Syndication/Feed.php
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152 | <?php /** * Zend Framework (http://framework.zend.com/) * * @link http://github.com/zendframework/zf2 for the canonical source repository * @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com) * @license http://framework.zend.com/license/new-bsd New BSD License */ namespace Zend\Feed\Reader\Extension\Syndication; use DateTime; use Zend\Feed\Reader; use Zend\Feed\Reader\Extension; class Feed extends Extension\AbstractFeed { /** * Get update period * * @return string * @throws Reader\Exception\InvalidArgumentException */ public function getUpdatePeriod() { $name = 'updatePeriod'; $period = $this->getData($name); if ($period === null) { $this->data[$name] = 'daily'; return 'daily'; //Default specified by spec } switch ($period) { case 'hourly': case 'daily': case 'weekly': case 'yearly': return $period; default: throw new Reader\Exception\InvalidArgumentException("Feed specified invalid update period: '$period'." . " Must be one of hourly, daily, weekly or yearly" ); } } /** * Get update frequency * * @return int */ public function getUpdateFrequency() { $name = 'updateFrequency'; $freq = $this->getData($name, 'number'); if (!$freq || $freq < 1) { $this->data[$name] = 1; return 1; } return $freq; } /** * Get update frequency as ticks * * @return int */ public function getUpdateFrequencyAsTicks() { $name = 'updateFrequency'; $freq = $this->getData($name, 'number'); if (!$freq || $freq < 1) { $this->data[$name] = 1; $freq = 1; } $period = $this->getUpdatePeriod(); $ticks = 1; switch ($period) { case 'yearly': $ticks *= 52; //TODO: fix generalisation, how? // no break case 'weekly': $ticks *= 7; // no break case 'daily': $ticks *= 24; // no break case 'hourly': $ticks *= 3600; break; default: //Never arrive here, exception thrown in getPeriod() break; } return $ticks / $freq; } /** * Get update base * * @return DateTime|null */ public function getUpdateBase() { $updateBase = $this->getData('updateBase'); $date = null; if ($updateBase) { $date = DateTime::createFromFormat(DateTime::W3C, $updateBase); } return $date; } /** * Get the entry data specified by name * * @param string $name * @param string $type * @return mixed|null */ private function getData($name, $type = 'string') { if (array_key_exists($name, $this->data)) { return $this->data[$name]; } $data = $this->xpath->evaluate($type . '(' . $this->getXpathPrefix() . '/syn10:' . $name . ')'); if (!$data) { $data = null; } $this->data[$name] = $data; return $data; } /** * Register Syndication namespaces * * @return void */ protected function registerNamespaces() { $this->xpath->registerNamespace('syn10', 'http://purl.org/rss/1.0/modules/syndication/'); } } |