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https://github.com/torrentpier/torrentpier-lts.git
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330 lines
10 KiB
PHP
330 lines
10 KiB
PHP
<?php
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/**
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* Zend Framework (http://framework.zend.com/)
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*
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* @link http://github.com/zendframework/zf2 for the canonical source repository
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* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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namespace Zend\Feed\Writer\Renderer\Entry;
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use DateTime;
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use DOMDocument;
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use DOMElement;
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use Zend\Feed\Uri;
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use Zend\Feed\Writer;
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use Zend\Feed\Writer\Renderer;
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/**
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*/
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class Rss extends Renderer\AbstractRenderer implements Renderer\RendererInterface
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{
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/**
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* Constructor
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*
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* @param Writer\Entry $container
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*/
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public function __construct(Writer\Entry $container)
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{
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parent::__construct($container);
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}
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/**
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* Render RSS entry
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*
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* @return Rss
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*/
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public function render()
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{
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$this->dom = new DOMDocument('1.0', $this->container->getEncoding());
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$this->dom->formatOutput = true;
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$this->dom->substituteEntities = false;
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$entry = $this->dom->createElement('item');
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$this->dom->appendChild($entry);
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$this->_setTitle($this->dom, $entry);
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$this->_setDescription($this->dom, $entry);
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$this->_setDateCreated($this->dom, $entry);
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$this->_setDateModified($this->dom, $entry);
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$this->_setLink($this->dom, $entry);
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$this->_setId($this->dom, $entry);
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$this->_setAuthors($this->dom, $entry);
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$this->_setEnclosure($this->dom, $entry);
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$this->_setCommentLink($this->dom, $entry);
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$this->_setCategories($this->dom, $entry);
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foreach ($this->extensions as $ext) {
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$ext->setType($this->getType());
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$ext->setRootElement($this->getRootElement());
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$ext->setDOMDocument($this->getDOMDocument(), $entry);
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$ext->render();
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}
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return $this;
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}
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/**
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* Set entry title
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*
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* @param DOMDocument $dom
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* @param DOMElement $root
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* @return void
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* @throws Writer\Exception\InvalidArgumentException
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*/
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protected function _setTitle(DOMDocument $dom, DOMElement $root)
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{
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if (!$this->getDataContainer()->getDescription()
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&& !$this->getDataContainer()->getTitle()) {
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$message = 'RSS 2.0 entry elements SHOULD contain exactly one'
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. ' title element but a title has not been set. In addition, there'
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. ' is no description as required in the absence of a title.';
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$exception = new Writer\Exception\InvalidArgumentException($message);
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if (!$this->ignoreExceptions) {
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throw $exception;
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} else {
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$this->exceptions[] = $exception;
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return;
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}
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}
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$title = $dom->createElement('title');
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$root->appendChild($title);
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$text = $dom->createTextNode($this->getDataContainer()->getTitle());
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$title->appendChild($text);
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}
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/**
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* Set entry description
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*
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* @param DOMDocument $dom
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* @param DOMElement $root
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* @return void
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* @throws Writer\Exception\InvalidArgumentException
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*/
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protected function _setDescription(DOMDocument $dom, DOMElement $root)
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{
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if (!$this->getDataContainer()->getDescription()
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&& !$this->getDataContainer()->getTitle()) {
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$message = 'RSS 2.0 entry elements SHOULD contain exactly one'
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. ' description element but a description has not been set. In'
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. ' addition, there is no title element as required in the absence'
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. ' of a description.';
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$exception = new Writer\Exception\InvalidArgumentException($message);
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if (!$this->ignoreExceptions) {
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throw $exception;
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} else {
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$this->exceptions[] = $exception;
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return;
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}
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}
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if (!$this->getDataContainer()->getDescription()) {
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return;
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}
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$subtitle = $dom->createElement('description');
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$root->appendChild($subtitle);
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$text = $dom->createCDATASection($this->getDataContainer()->getDescription());
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$subtitle->appendChild($text);
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}
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/**
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* Set date entry was last modified
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*
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* @param DOMDocument $dom
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* @param DOMElement $root
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* @return void
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*/
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protected function _setDateModified(DOMDocument $dom, DOMElement $root)
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{
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if (!$this->getDataContainer()->getDateModified()) {
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return;
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}
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$updated = $dom->createElement('pubDate');
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$root->appendChild($updated);
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$text = $dom->createTextNode(
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$this->getDataContainer()->getDateModified()->format(DateTime::RSS)
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);
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$updated->appendChild($text);
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}
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/**
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* Set date entry was created
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*
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* @param DOMDocument $dom
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* @param DOMElement $root
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* @return void
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*/
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protected function _setDateCreated(DOMDocument $dom, DOMElement $root)
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{
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if (!$this->getDataContainer()->getDateCreated()) {
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return;
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}
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if (!$this->getDataContainer()->getDateModified()) {
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$this->getDataContainer()->setDateModified(
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$this->getDataContainer()->getDateCreated()
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);
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}
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}
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/**
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* Set entry authors
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*
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* @param DOMDocument $dom
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* @param DOMElement $root
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* @return void
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*/
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protected function _setAuthors(DOMDocument $dom, DOMElement $root)
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{
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$authors = $this->container->getAuthors();
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if ((!$authors || empty($authors))) {
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return;
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}
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foreach ($authors as $data) {
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$author = $this->dom->createElement('author');
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$name = $data['name'];
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if (array_key_exists('email', $data)) {
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$name = $data['email'] . ' (' . $data['name'] . ')';
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}
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$text = $dom->createTextNode($name);
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$author->appendChild($text);
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$root->appendChild($author);
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}
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}
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/**
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* Set entry enclosure
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*
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* @param DOMDocument $dom
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* @param DOMElement $root
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* @return void
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* @throws Writer\Exception\InvalidArgumentException
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*/
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protected function _setEnclosure(DOMDocument $dom, DOMElement $root)
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{
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$data = $this->container->getEnclosure();
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if ((!$data || empty($data))) {
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return;
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}
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if (!isset($data['type'])) {
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$exception = new Writer\Exception\InvalidArgumentException('Enclosure "type" is not set');
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if (!$this->ignoreExceptions) {
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throw $exception;
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} else {
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$this->exceptions[] = $exception;
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return;
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}
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}
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if (!isset($data['length'])) {
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$exception = new Writer\Exception\InvalidArgumentException('Enclosure "length" is not set');
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if (!$this->ignoreExceptions) {
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throw $exception;
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} else {
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$this->exceptions[] = $exception;
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return;
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}
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}
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if (isset($data['length']) && (int) $data['length'] <= 0) {
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$exception = new Writer\Exception\InvalidArgumentException('Enclosure "length" must be an integer'
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. ' indicating the content\'s length in bytes');
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if (!$this->ignoreExceptions) {
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throw $exception;
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} else {
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$this->exceptions[] = $exception;
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return;
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}
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}
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$enclosure = $this->dom->createElement('enclosure');
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$enclosure->setAttribute('type', $data['type']);
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$enclosure->setAttribute('length', $data['length']);
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$enclosure->setAttribute('url', $data['uri']);
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$root->appendChild($enclosure);
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}
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/**
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* Set link to entry
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*
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* @param DOMDocument $dom
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* @param DOMElement $root
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* @return void
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*/
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protected function _setLink(DOMDocument $dom, DOMElement $root)
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{
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if (!$this->getDataContainer()->getLink()) {
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return;
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}
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$link = $dom->createElement('link');
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$root->appendChild($link);
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$text = $dom->createTextNode($this->getDataContainer()->getLink());
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$link->appendChild($text);
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}
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/**
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* Set entry identifier
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*
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* @param DOMDocument $dom
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* @param DOMElement $root
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* @return void
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*/
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protected function _setId(DOMDocument $dom, DOMElement $root)
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{
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if (!$this->getDataContainer()->getId()
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&& !$this->getDataContainer()->getLink()) {
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return;
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}
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$id = $dom->createElement('guid');
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$root->appendChild($id);
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if (!$this->getDataContainer()->getId()) {
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$this->getDataContainer()->setId(
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$this->getDataContainer()->getLink());
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}
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$text = $dom->createTextNode($this->getDataContainer()->getId());
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$id->appendChild($text);
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if (!Uri::factory($this->getDataContainer()->getId())->isValid()) {
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$id->setAttribute('isPermaLink', 'false');
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}
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}
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/**
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* Set link to entry comments
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*
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* @param DOMDocument $dom
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* @param DOMElement $root
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* @return void
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*/
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protected function _setCommentLink(DOMDocument $dom, DOMElement $root)
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{
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$link = $this->getDataContainer()->getCommentLink();
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if (!$link) {
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return;
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}
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$clink = $this->dom->createElement('comments');
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$text = $dom->createTextNode($link);
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$clink->appendChild($text);
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$root->appendChild($clink);
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}
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/**
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* Set entry categories
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*
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* @param DOMDocument $dom
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* @param DOMElement $root
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* @return void
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*/
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protected function _setCategories(DOMDocument $dom, DOMElement $root)
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{
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$categories = $this->getDataContainer()->getCategories();
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if (!$categories) {
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return;
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}
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foreach ($categories as $cat) {
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$category = $dom->createElement('category');
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if (isset($cat['scheme'])) {
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$category->setAttribute('domain', $cat['scheme']);
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}
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$text = $dom->createCDATASection($cat['term']);
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$category->appendChild($text);
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$root->appendChild($category);
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}
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}
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}
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