diff options
Diffstat (limited to '3rdparty/ZendFeed/Reader/Extension/Syndication/Feed.php')
-rw-r--r-- | 3rdparty/ZendFeed/Reader/Extension/Syndication/Feed.php | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/3rdparty/ZendFeed/Reader/Extension/Syndication/Feed.php b/3rdparty/ZendFeed/Reader/Extension/Syndication/Feed.php new file mode 100644 index 000000000..db1724c14 --- /dev/null +++ b/3rdparty/ZendFeed/Reader/Extension/Syndication/Feed.php @@ -0,0 +1,151 @@ +<?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/'); + } +} |